./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --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 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:33:34,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:33:34,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:33:34,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:33:34,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:33:34,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:33:34,746 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:33:34,748 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:33:34,750 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:33:34,751 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:33:34,752 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:33:34,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:33:34,754 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:33:34,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:33:34,756 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:33:34,758 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:33:34,759 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:33:34,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:33:34,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:33:34,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:33:34,765 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:33:34,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:33:34,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:33:34,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:33:34,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:33:34,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:33:34,786 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:33:34,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:33:34,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:33:34,788 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:33:34,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:33:34,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:33:34,791 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:33:34,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:33:34,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:33:34,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:33:34,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:33:34,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:33:34,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:33:34,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:33:34,803 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:33:34,804 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 23:33:34,846 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:33:34,847 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:33:34,848 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:33:34,848 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:33:34,849 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:33:34,850 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:33:34,850 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:33:34,851 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:33:34,851 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:33:34,851 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:33:34,853 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:33:34,853 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:33:34,854 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:33:34,854 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:33:34,854 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:33:34,855 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:33:34,855 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:33:34,855 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:33:34,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:33:34,857 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:33:34,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:33:34,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:33:34,858 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:33:34,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:33:34,859 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:33:34,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:33:34,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:33:34,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:33:34,860 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:33:34,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:34,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:33:34,862 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:33:34,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:33:34,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:33:34,863 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:33:34,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:33:34,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:33:34,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:33:34,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2022-11-25 23:33:35,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:33:35,248 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:33:35,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:33:35,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:33:35,254 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:33:35,256 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-11-25 23:33:38,536 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:33:39,357 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:33:39,358 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-11-25 23:33:39,459 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data/129b99129/ecdfb9ec3c1c4880b8940f234e07dcd9/FLAG6dc43d31d [2022-11-25 23:33:39,485 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data/129b99129/ecdfb9ec3c1c4880b8940f234e07dcd9 [2022-11-25 23:33:39,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:33:39,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:33:39,496 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:39,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:33:39,500 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:33:39,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:39" (1/1) ... [2022-11-25 23:33:39,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d4e7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:39, skipping insertion in model container [2022-11-25 23:33:39,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:33:39" (1/1) ... [2022-11-25 23:33:39,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:33:39,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:33:40,584 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 23:33:40,624 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:33:40,648 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:33:40,682 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:33:41,335 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:33:41,386 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:33:41,393 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:33:41,399 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:33:41,406 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:33:41,453 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:33:41,531 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-25 23:33:41,550 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:33:41,558 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:33:41,571 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:41,572 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:33:41,572 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:33:41,573 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:41,581 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:41,582 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:33:41,583 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:41,589 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:41,590 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:33:41,590 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:41,626 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:33:41,958 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:41,965 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:33:41,968 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:33:41,970 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:33:41,981 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:41,982 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:33:41,991 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:42,005 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:42,376 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:42,396 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:33:42,405 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:33:42,412 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:33:42,432 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:33:42,433 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:42,433 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:33:42,438 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:33:42,440 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:33:42,463 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-25 23:33:42,465 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:33:42,466 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:33:42,467 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:33:42,471 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:42,472 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:42,472 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-25 23:33:42,480 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,482 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,482 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,483 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,517 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:33:42,523 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:33:42,530 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:33:42,547 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-25 23:33:42,565 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-25 23:33:42,565 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:33:42,566 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:33:42,568 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:33:42,568 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:33:42,576 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:42,577 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:42,578 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:42,579 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:42,580 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:42,581 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:42,582 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:42,582 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:42,583 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:42,584 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:42,584 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,585 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:33:42,586 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:33:42,587 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:33:42,616 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:42,617 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:42,617 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:42,624 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:42,624 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:42,625 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:42,635 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,635 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,636 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:42,636 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:42,637 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:42,637 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,644 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:42,652 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:42,654 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:42,655 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:33:42,656 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:42,658 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:33:42,659 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:42,660 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:42,664 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:42,665 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:42,667 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:33:42,669 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:42,669 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:42,683 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:33:42,684 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-25 23:33:42,685 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:42,695 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,702 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:42,704 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,711 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:42,713 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,714 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:42,721 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:42,722 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:42,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,741 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,744 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,746 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,749 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,749 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-25 23:33:42,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,751 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,754 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,757 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,762 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,765 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:42,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,768 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,771 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,772 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:42,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,775 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,778 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,781 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,784 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,786 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,788 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,789 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,791 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,791 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,794 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,794 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,798 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:42,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,800 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,801 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:42,802 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,802 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,803 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:42,804 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,805 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,806 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,815 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,815 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,818 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:42,820 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,821 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,821 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,828 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:42,830 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,830 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,831 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:42,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,833 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,834 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,837 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,838 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,846 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,847 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:42,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,849 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:42,852 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:42,857 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:33:42,859 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:33:42,861 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:33:42,861 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:42,862 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:33:42,862 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,887 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:33:42,888 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-11-25 23:33:42,888 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-11-25 23:33:42,889 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:42,890 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:33:42,914 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:33:42,915 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-11-25 23:33:42,916 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-11-25 23:33:42,917 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:42,917 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:33:42,925 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:33:42,925 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-11-25 23:33:42,926 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-11-25 23:33:42,927 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:42,927 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:33:42,934 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:33:42,935 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-11-25 23:33:42,936 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-11-25 23:33:42,936 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:42,937 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:33:42,943 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:42,950 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:42,984 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-11-25 23:33:43,030 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:33:43,031 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:43,031 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,032 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,038 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:33:43,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,047 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,054 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,055 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,062 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:33:43,064 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:43,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,072 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-25 23:33:43,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,075 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:43,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,082 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-11-25 23:33:43,083 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-11-25 23:33:43,084 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:33:43,091 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,096 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,098 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,101 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,105 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,107 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,109 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,111 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,114 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,119 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:43,119 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:33:43,164 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:33:43,164 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 23:33:43,171 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,178 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,202 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,209 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:33:43,211 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,219 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,256 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:33:43,262 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:33:43,286 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-11-25 23:33:43,292 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-11-25 23:33:43,293 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,300 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,301 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-11-25 23:33:43,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,302 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-11-25 23:33:43,303 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,304 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-11-25 23:33:43,304 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,304 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-11-25 23:33:43,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,313 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,314 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,314 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-11-25 23:33:43,315 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,330 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 23:33:43,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,332 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:43,333 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,334 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:43,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,336 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:43,337 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,338 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,346 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:43,348 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,348 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:33:43,349 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-11-25 23:33:43,349 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,356 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:33:43,356 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-11-25 23:33:43,357 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,363 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,364 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:43,365 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:43,366 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:43,366 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,367 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,367 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,368 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,369 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,376 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,377 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,383 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:33:43,392 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,393 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-11-25 23:33:43,394 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,396 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-11-25 23:33:43,397 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:43,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,404 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-11-25 23:33:43,405 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:43,412 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:33:43,413 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:33:43,419 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:33:43,447 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,448 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,448 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:33:43,448 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,449 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,449 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,449 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,450 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,450 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,450 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,451 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,451 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,451 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,452 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,452 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,452 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,453 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,453 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,453 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,454 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,454 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,454 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,454 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,455 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,455 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,455 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,456 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,456 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,456 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,457 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,457 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,457 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,458 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,458 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,458 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,458 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,459 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,459 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,459 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,460 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:43,461 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,461 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,461 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,462 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,462 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,462 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,463 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,463 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,463 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,464 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:33:43,464 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,464 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,465 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,465 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,465 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,466 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,466 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,467 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,468 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,469 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,469 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,469 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,471 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,471 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,471 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,472 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,473 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,473 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,473 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,474 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,474 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,474 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,475 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,475 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,475 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,476 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,476 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,477 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,477 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,480 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,480 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,480 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,481 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,481 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,482 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,483 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,483 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,483 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,484 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:43,491 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:43,497 WARN L237 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_ebba7f6f-2659-41ed-947a-da2b99d27c12/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-11-25 23:33:43,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:33:43,726 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:33:43,916 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 23:33:43,918 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:33:43,918 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:33:43,920 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:33:43,924 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:33:43,925 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:33:43,926 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:33:43,926 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:33:43,926 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:33:43,927 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:33:43,928 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-25 23:33:43,929 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:33:43,929 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:33:43,930 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:43,930 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:33:43,931 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:33:43,931 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:43,931 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:43,932 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:33:43,932 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:43,933 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:43,934 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:33:43,934 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:43,936 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:33:43,945 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:43,945 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:33:43,946 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:33:43,946 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:33:43,947 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:43,948 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:33:43,948 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:43,950 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:43,955 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:43,956 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:33:43,958 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:33:43,966 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:33:43,968 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:33:43,969 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:43,969 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:33:43,973 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:33:43,974 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:33:43,980 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-25 23:33:43,981 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:33:43,981 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:33:43,982 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:33:43,983 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:43,983 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:43,984 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-25 23:33:43,984 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,985 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,985 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,985 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:43,990 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:33:43,991 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:33:43,995 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:33:43,998 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-25 23:33:44,000 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-25 23:33:44,000 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:33:44,001 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:33:44,001 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:33:44,002 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:33:44,009 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:44,010 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:44,011 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:44,011 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:44,012 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:44,013 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:44,014 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:44,014 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:44,014 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:44,015 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:44,015 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,016 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:33:44,016 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:33:44,017 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:33:44,022 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:44,023 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:44,023 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:44,024 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:44,025 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:44,025 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:44,037 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,038 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,038 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:44,038 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:33:44,039 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:44,039 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,041 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:44,047 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:44,048 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:44,049 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:33:44,050 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:44,051 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:33:44,052 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:44,053 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:44,057 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:44,058 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:33:44,059 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:33:44,060 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:33:44,060 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:33:44,062 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:33:44,063 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-25 23:33:44,064 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:44,066 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,067 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:44,068 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,069 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:44,071 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,072 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:44,073 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:33:44,074 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:33:44,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,079 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,081 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,083 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,086 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,086 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-25 23:33:44,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,088 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,091 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,093 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,095 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,096 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,100 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:44,101 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,102 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,105 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,106 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:44,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,108 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,111 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,114 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,115 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,116 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,117 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,118 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,120 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,121 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,122 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,124 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,128 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:44,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,129 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,130 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:44,131 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,131 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,132 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:33:44,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,134 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,135 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,137 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,138 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,140 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:44,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,142 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,143 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,145 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:44,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,147 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,148 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:33:44,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,150 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,151 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,154 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,154 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,155 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,156 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,157 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:33:44,158 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,159 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,160 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,161 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,162 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:33:44,163 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:33:44,165 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:33:44,166 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:33:44,166 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:33:44,167 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,171 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:33:44,171 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-11-25 23:33:44,172 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-11-25 23:33:44,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,172 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:33:44,174 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:33:44,175 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-11-25 23:33:44,175 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-11-25 23:33:44,175 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,176 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:33:44,177 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:33:44,177 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-11-25 23:33:44,178 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-11-25 23:33:44,178 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,178 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:33:44,179 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:33:44,180 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-11-25 23:33:44,180 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-11-25 23:33:44,180 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,181 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:33:44,181 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,182 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,183 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-11-25 23:33:44,188 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:33:44,188 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:44,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,189 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,190 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:33:44,191 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,193 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,194 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,196 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:33:44,197 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:44,199 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,199 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-25 23:33:44,200 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,201 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:33:44,201 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,267 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-11-25 23:33:44,268 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-11-25 23:33:44,268 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:33:44,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,272 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,272 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,274 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,274 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,275 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,277 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,277 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,279 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,283 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,284 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,286 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,286 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,287 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,289 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,289 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:33:44,290 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:33:44,290 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:33:44,290 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 23:33:44,293 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,294 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,304 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:33:44,305 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,306 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,311 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:33:44,311 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:33:44,314 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-11-25 23:33:44,315 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-11-25 23:33:44,316 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,318 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,319 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-11-25 23:33:44,319 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,320 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-11-25 23:33:44,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,321 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-11-25 23:33:44,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,321 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-11-25 23:33:44,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,323 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,325 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-11-25 23:33:44,325 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,327 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 23:33:44,328 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,328 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:44,329 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,330 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:44,330 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,331 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:44,331 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,334 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:44,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,336 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:33:44,336 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-11-25 23:33:44,337 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,337 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:33:44,338 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-11-25 23:33:44,338 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,339 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,339 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:44,340 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:44,340 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:33:44,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,341 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,342 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,345 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:33:44,345 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:33:44,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,349 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-11-25 23:33:44,349 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,352 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-11-25 23:33:44,353 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:33:44,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,355 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-11-25 23:33:44,356 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:33:44,357 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:33:44,357 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:33:44,358 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:33:44,359 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,359 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,359 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:33:44,360 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,360 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,360 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,361 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,362 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,362 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,362 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,363 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,363 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,363 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,363 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,364 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,364 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,364 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,365 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,365 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,365 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,365 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,366 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,366 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,366 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,366 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,367 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,367 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,367 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,368 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,368 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,368 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,368 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,369 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,369 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,369 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,370 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,370 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:33:44,371 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,371 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,371 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,371 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,372 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,372 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,372 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,373 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,373 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,373 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:33:44,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,374 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,374 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,375 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,375 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,375 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,376 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,376 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,376 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,377 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,377 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,377 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,377 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,378 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,378 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,378 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,379 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,379 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,379 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,380 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,380 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,380 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,381 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,381 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,381 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,381 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,382 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,382 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,382 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,383 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,383 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,383 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,384 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,384 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,384 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,385 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,385 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,385 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,385 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,386 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,386 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,386 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,387 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,387 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,388 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,389 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,389 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,389 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,390 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,390 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,391 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:33:44,391 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:33:44,391 WARN L237 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_ebba7f6f-2659-41ed-947a-da2b99d27c12/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-11-25 23:33:44,407 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:33:44,510 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:33:44,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44 WrapperNode [2022-11-25 23:33:44,510 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:33:44,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:33:44,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:33:44,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:33:44,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:44,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,028 INFO L138 Inliner]: procedures = 445, calls = 3488, calls flagged for inlining = 226, calls inlined = 196, statements flattened = 7816 [2022-11-25 23:33:45,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:33:45,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:33:45,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:33:45,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:33:45,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,078 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:33:45,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:33:45,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:33:45,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:33:45,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (1/1) ... [2022-11-25 23:33:45,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:33:45,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:33:45,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:33:45,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:33:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-11-25 23:33:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-11-25 23:33:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-25 23:33:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-25 23:33:45,554 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 23:33:45,554 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 23:33:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:33:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:33:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-25 23:33:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2022-11-25 23:33:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2022-11-25 23:33:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:33:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:33:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2022-11-25 23:33:45,555 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2022-11-25 23:33:45,555 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2022-11-25 23:33:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2022-11-25 23:33:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-25 23:33:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-11-25 23:33:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-11-25 23:33:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:33:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-11-25 23:33:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-11-25 23:33:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 23:33:45,556 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 23:33:45,556 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:33:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:33:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-25 23:33:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-25 23:33:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-11-25 23:33:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-11-25 23:33:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2022-11-25 23:33:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2022-11-25 23:33:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 23:33:45,557 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 23:33:45,557 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-25 23:33:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-25 23:33:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_open [2022-11-25 23:33:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_open [2022-11-25 23:33:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-25 23:33:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 23:33:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 23:33:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-11-25 23:33:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-11-25 23:33:45,558 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-25 23:33:45,558 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-25 23:33:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:33:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:33:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 23:33:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 23:33:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:33:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:33:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-11-25 23:33:45,559 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-11-25 23:33:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-25 23:33:45,559 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 23:33:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 23:33:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2022-11-25 23:33:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2022-11-25 23:33:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 23:33:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 23:33:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-25 23:33:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-25 23:33:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-11-25 23:33:45,560 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-11-25 23:33:45,560 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-25 23:33:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-25 23:33:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-25 23:33:45,561 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-25 23:33:45,561 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2022-11-25 23:33:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2022-11-25 23:33:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-11-25 23:33:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-11-25 23:33:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:33:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:33:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:33:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:33:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-25 23:33:45,562 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-25 23:33:45,562 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:33:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:33:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 23:33:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 23:33:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-11-25 23:33:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-11-25 23:33:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-11-25 23:33:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-11-25 23:33:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:33:45,563 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:33:45,563 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-11-25 23:33:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-11-25 23:33:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-25 23:33:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-25 23:33:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-25 23:33:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-25 23:33:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-25 23:33:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-25 23:33:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-11-25 23:33:45,564 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-11-25 23:33:45,564 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 23:33:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 23:33:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2022-11-25 23:33:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2022-11-25 23:33:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-11-25 23:33:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-11-25 23:33:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2022-11-25 23:33:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2022-11-25 23:33:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 23:33:45,565 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 23:33:45,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:33:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:33:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2022-11-25 23:33:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2022-11-25 23:33:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 23:33:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 23:33:45,566 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:33:45,566 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:33:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-11-25 23:33:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-11-25 23:33:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:33:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-11-25 23:33:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-11-25 23:33:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:33:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-11-25 23:33:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-11-25 23:33:45,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 23:33:45,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 23:33:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-11-25 23:33:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-11-25 23:33:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-25 23:33:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-25 23:33:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-11-25 23:33:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-11-25 23:33:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:33:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:33:45,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:33:45,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:33:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:33:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:33:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-11-25 23:33:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-11-25 23:33:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-25 23:33:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-25 23:33:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-25 23:33:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-25 23:33:45,569 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-11-25 23:33:45,569 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-11-25 23:33:45,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:33:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:33:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:33:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-11-25 23:33:45,571 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-11-25 23:33:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:33:45,571 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-25 23:33:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-25 23:33:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2022-11-25 23:33:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2022-11-25 23:33:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2022-11-25 23:33:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2022-11-25 23:33:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2022-11-25 23:33:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2022-11-25 23:33:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:33:45,572 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-11-25 23:33:45,572 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-11-25 23:33:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 23:33:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 23:33:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2022-11-25 23:33:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2022-11-25 23:33:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-25 23:33:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-25 23:33:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:33:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:33:45,573 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2022-11-25 23:33:45,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2022-11-25 23:33:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-25 23:33:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-25 23:33:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-11-25 23:33:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-11-25 23:33:45,574 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-11-25 23:33:45,574 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-11-25 23:33:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2022-11-25 23:33:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2022-11-25 23:33:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 23:33:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 23:33:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-11-25 23:33:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-11-25 23:33:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2022-11-25 23:33:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2022-11-25 23:33:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2022-11-25 23:33:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2022-11-25 23:33:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-11-25 23:33:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-11-25 23:33:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:33:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:33:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 23:33:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-11-25 23:33:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-11-25 23:33:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2022-11-25 23:33:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2022-11-25 23:33:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-11-25 23:33:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-11-25 23:33:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 23:33:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 23:33:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:33:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:33:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2022-11-25 23:33:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2022-11-25 23:33:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-25 23:33:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-25 23:33:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-25 23:33:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-25 23:33:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 23:33:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 23:33:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2022-11-25 23:33:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2022-11-25 23:33:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-25 23:33:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-25 23:33:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2022-11-25 23:33:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2022-11-25 23:33:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-11-25 23:33:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-11-25 23:33:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-25 23:33:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-25 23:33:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-11-25 23:33:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-11-25 23:33:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-25 23:33:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-25 23:33:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2022-11-25 23:33:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2022-11-25 23:33:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 23:33:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 23:33:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 23:33:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 23:33:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-25 23:33:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-25 23:33:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2022-11-25 23:33:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2022-11-25 23:33:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-11-25 23:33:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-11-25 23:33:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_release [2022-11-25 23:33:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_release [2022-11-25 23:33:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-11-25 23:33:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-11-25 23:33:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:33:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2022-11-25 23:33:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2022-11-25 23:33:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_port_link [2022-11-25 23:33:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_port_link [2022-11-25 23:33:47,056 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:33:47,063 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:33:53,873 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume #t~switch210;#res := ~ret~1; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !#t~switch210;#t~switch210 := #t~switch210 || 4 == ~size; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0 != ~tmp___1~4;#res := ~ret~1; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0 != ~tmp___1~4);#res := ~ret~1; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc #t~switch210; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474: SUMMARY for call #t~ret211 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume #t~switch210; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !#t~switch210;#t~switch210 := #t~switch210 || 16 == ~size; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474-1: assume -9223372036854775808 <= #t~ret211 && #t~ret211 <= 9223372036854775807;~tmp___0~9 := #t~ret211;havoc #t~ret211; [2022-11-25 23:33:53,874 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch210;#res := ~ret~1; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497-1: ~tmp___2~3 := #t~ret213;havoc #t~ret213;#res := (if ~tmp___2~3 % 18446744073709551616 % 4294967296 <= 2147483647 then ~tmp___2~3 % 18446744073709551616 % 4294967296 else ~tmp___2~3 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497: SUMMARY for call #t~ret213 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch210;#t~switch210 := #t~switch210 || 2 == ~size; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume #t~switch210;#res := ~ret~1; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !#t~switch210;#t~switch210 := #t~switch210 || 8 == ~size; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487-1: assume -9223372036854775808 <= #t~ret212 && #t~ret212 <= 9223372036854775807;~tmp___1~4 := #t~ret212;havoc #t~ret212; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487: SUMMARY for call #t~ret212 := ldv__builtin_expect((if 0 != ~ret~1 then 1 else 0), 0); srcloc: null [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume #t~switch210; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !#t~switch210;#t~switch210 := true; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0 != ~tmp___0~9;#res := ~ret~1; [2022-11-25 23:33:53,875 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0 != ~tmp___0~9);#res := ~ret~1; [2022-11-25 23:33:53,876 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume #t~switch210; [2022-11-25 23:33:53,876 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !#t~switch210; [2022-11-25 23:33:53,876 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume #t~switch210;#res := ~ret~1; [2022-11-25 23:33:53,876 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !#t~switch210;#t~switch210 := #t~switch210 || 10 == ~size; [2022-11-25 23:33:59,591 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:34:01,309 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:34:01,309 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:34:01,315 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:34:01 BoogieIcfgContainer [2022-11-25 23:34:01,315 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:34:01,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:34:01,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:34:01,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:34:01,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:33:39" (1/3) ... [2022-11-25 23:34:01,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f222e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:34:01, skipping insertion in model container [2022-11-25 23:34:01,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:33:44" (2/3) ... [2022-11-25 23:34:01,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f222e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:34:01, skipping insertion in model container [2022-11-25 23:34:01,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:34:01" (3/3) ... [2022-11-25 23:34:01,325 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-11-25 23:34:01,346 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:34:01,346 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:34:01,435 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:34:01,441 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=LoopsAndPotentialCycles, 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;@12e22f27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:34:01,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:34:01,452 INFO L276 IsEmpty]: Start isEmpty. Operand has 1965 states, 1207 states have (on average 1.3413421706710853) internal successors, (1619), 1257 states have internal predecessors, (1619), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) [2022-11-25 23:34:01,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:34:01,460 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:01,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:01,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:01,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1132120312, now seen corresponding path program 1 times [2022-11-25 23:34:01,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:01,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464341842] [2022-11-25 23:34:01,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:01,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:02,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:34:02,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:02,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464341842] [2022-11-25 23:34:02,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464341842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:02,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:02,203 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:34:02,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624633162] [2022-11-25 23:34:02,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:02,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:34:02,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:02,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:34:02,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:02,280 INFO L87 Difference]: Start difference. First operand has 1965 states, 1207 states have (on average 1.3413421706710853) internal successors, (1619), 1257 states have internal predecessors, (1619), 642 states have call successors, (642), 114 states have call predecessors, (642), 114 states have return successors, (642), 630 states have call predecessors, (642), 642 states have call successors, (642) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:04,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:06,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:09,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:09,174 INFO L93 Difference]: Finished difference Result 5825 states and 8736 transitions. [2022-11-25 23:34:09,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:34:09,177 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 23:34:09,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:09,221 INFO L225 Difference]: With dead ends: 5825 [2022-11-25 23:34:09,221 INFO L226 Difference]: Without dead ends: 3871 [2022-11-25 23:34:09,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:09,243 INFO L413 NwaCegarLoop]: 3281 mSDtfsCounter, 2871 mSDsluCounter, 2569 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2873 SdHoareTripleChecker+Valid, 5850 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:09,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2873 Valid, 5850 Invalid, 555 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 552 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-25 23:34:09,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2022-11-25 23:34:09,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3862. [2022-11-25 23:34:09,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3862 states, 2372 states have (on average 1.3338954468802697) internal successors, (3164), 2456 states have internal predecessors, (3164), 1264 states have call successors, (1264), 226 states have call predecessors, (1264), 225 states have return successors, (1252), 1228 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-11-25 23:34:09,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3862 states to 3862 states and 5680 transitions. [2022-11-25 23:34:09,637 INFO L78 Accepts]: Start accepts. Automaton has 3862 states and 5680 transitions. Word has length 13 [2022-11-25 23:34:09,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:09,638 INFO L495 AbstractCegarLoop]: Abstraction has 3862 states and 5680 transitions. [2022-11-25 23:34:09,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:09,639 INFO L276 IsEmpty]: Start isEmpty. Operand 3862 states and 5680 transitions. [2022-11-25 23:34:09,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:34:09,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:09,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:09,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:34:09,641 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:09,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:09,642 INFO L85 PathProgramCache]: Analyzing trace with hash -737141477, now seen corresponding path program 1 times [2022-11-25 23:34:09,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:09,643 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862017583] [2022-11-25 23:34:09,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:09,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:34:09,948 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:09,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862017583] [2022-11-25 23:34:09,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862017583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:09,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:09,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:34:09,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464878925] [2022-11-25 23:34:09,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:09,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:34:09,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:09,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:34:09,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:09,955 INFO L87 Difference]: Start difference. First operand 3862 states and 5680 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:12,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:14,280 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:16,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:16,549 INFO L93 Difference]: Finished difference Result 3875 states and 5692 transitions. [2022-11-25 23:34:16,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:34:16,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 23:34:16,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:16,577 INFO L225 Difference]: With dead ends: 3875 [2022-11-25 23:34:16,577 INFO L226 Difference]: Without dead ends: 3872 [2022-11-25 23:34:16,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:16,582 INFO L413 NwaCegarLoop]: 3251 mSDtfsCounter, 2848 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 552 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2850 SdHoareTripleChecker+Valid, 5805 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 552 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:16,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2850 Valid, 5805 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 552 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 23:34:16,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3872 states. [2022-11-25 23:34:16,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3872 to 3863. [2022-11-25 23:34:16,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3863 states, 2373 states have (on average 1.3337547408343868) internal successors, (3165), 2457 states have internal predecessors, (3165), 1264 states have call successors, (1264), 226 states have call predecessors, (1264), 225 states have return successors, (1252), 1228 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-11-25 23:34:16,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3863 states to 3863 states and 5681 transitions. [2022-11-25 23:34:16,905 INFO L78 Accepts]: Start accepts. Automaton has 3863 states and 5681 transitions. Word has length 14 [2022-11-25 23:34:16,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:16,906 INFO L495 AbstractCegarLoop]: Abstraction has 3863 states and 5681 transitions. [2022-11-25 23:34:16,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:16,906 INFO L276 IsEmpty]: Start isEmpty. Operand 3863 states and 5681 transitions. [2022-11-25 23:34:16,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:34:16,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:16,908 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:16,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:34:16,908 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:16,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:16,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1377694613, now seen corresponding path program 1 times [2022-11-25 23:34:16,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:16,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894350998] [2022-11-25 23:34:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:16,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:34:17,185 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:17,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894350998] [2022-11-25 23:34:17,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894350998] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:17,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:17,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:34:17,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240546584] [2022-11-25 23:34:17,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:17,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:34:17,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:17,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:34:17,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:17,189 INFO L87 Difference]: Start difference. First operand 3863 states and 5681 transitions. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:19,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:21,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:23,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:23,545 INFO L93 Difference]: Finished difference Result 3876 states and 5693 transitions. [2022-11-25 23:34:23,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:34:23,545 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 23:34:23,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:23,569 INFO L225 Difference]: With dead ends: 3876 [2022-11-25 23:34:23,570 INFO L226 Difference]: Without dead ends: 3873 [2022-11-25 23:34:23,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:23,578 INFO L413 NwaCegarLoop]: 3262 mSDtfsCounter, 2845 mSDsluCounter, 2557 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 5819 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:23,581 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 5819 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 551 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-25 23:34:23,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3873 states. [2022-11-25 23:34:23,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3873 to 3864. [2022-11-25 23:34:23,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3864 states, 2374 states have (on average 1.3336141533277168) internal successors, (3166), 2458 states have internal predecessors, (3166), 1264 states have call successors, (1264), 226 states have call predecessors, (1264), 225 states have return successors, (1252), 1228 states have call predecessors, (1252), 1252 states have call successors, (1252) [2022-11-25 23:34:23,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3864 states to 3864 states and 5682 transitions. [2022-11-25 23:34:23,829 INFO L78 Accepts]: Start accepts. Automaton has 3864 states and 5682 transitions. Word has length 15 [2022-11-25 23:34:23,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:23,830 INFO L495 AbstractCegarLoop]: Abstraction has 3864 states and 5682 transitions. [2022-11-25 23:34:23,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:23,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3864 states and 5682 transitions. [2022-11-25 23:34:23,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:34:23,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:23,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:23,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:34:23,832 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:23,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:23,833 INFO L85 PathProgramCache]: Analyzing trace with hash 239999518, now seen corresponding path program 1 times [2022-11-25 23:34:23,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:23,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680067106] [2022-11-25 23:34:23,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:23,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:24,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:34:24,153 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:24,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680067106] [2022-11-25 23:34:24,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680067106] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:24,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:24,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:34:24,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996660831] [2022-11-25 23:34:24,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:24,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:34:24,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:24,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:34:24,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:24,156 INFO L87 Difference]: Start difference. First operand 3864 states and 5682 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:26,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:28,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:30,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:30,622 INFO L93 Difference]: Finished difference Result 9378 states and 13634 transitions. [2022-11-25 23:34:30,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:34:30,623 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-25 23:34:30,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:30,660 INFO L225 Difference]: With dead ends: 9378 [2022-11-25 23:34:30,661 INFO L226 Difference]: Without dead ends: 5553 [2022-11-25 23:34:30,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:30,680 INFO L413 NwaCegarLoop]: 2997 mSDtfsCounter, 1565 mSDsluCounter, 2438 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1567 SdHoareTripleChecker+Valid, 5435 SdHoareTripleChecker+Invalid, 567 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:30,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1567 Valid, 5435 Invalid, 567 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 560 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-25 23:34:30,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5553 states. [2022-11-25 23:34:31,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5553 to 5525. [2022-11-25 23:34:31,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5525 states, 3353 states have (on average 1.3197136892335222) internal successors, (4425), 3495 states have internal predecessors, (4425), 1771 states have call successors, (1771), 404 states have call predecessors, (1771), 400 states have return successors, (1770), 1699 states have call predecessors, (1770), 1755 states have call successors, (1770) [2022-11-25 23:34:31,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5525 states to 5525 states and 7966 transitions. [2022-11-25 23:34:31,091 INFO L78 Accepts]: Start accepts. Automaton has 5525 states and 7966 transitions. Word has length 16 [2022-11-25 23:34:31,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:31,092 INFO L495 AbstractCegarLoop]: Abstraction has 5525 states and 7966 transitions. [2022-11-25 23:34:31,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:31,093 INFO L276 IsEmpty]: Start isEmpty. Operand 5525 states and 7966 transitions. [2022-11-25 23:34:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:34:31,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:31,101 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:31,101 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:34:31,101 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:31,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:31,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1151085106, now seen corresponding path program 1 times [2022-11-25 23:34:31,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:31,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501393376] [2022-11-25 23:34:31,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:31,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:31,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:34:31,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:31,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501393376] [2022-11-25 23:34:31,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501393376] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:31,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:31,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:34:31,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125290612] [2022-11-25 23:34:31,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:31,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:34:31,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:31,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:34:31,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:31,391 INFO L87 Difference]: Start difference. First operand 5525 states and 7966 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:33,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:35,740 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:38,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:38,094 INFO L93 Difference]: Finished difference Result 8296 states and 11968 transitions. [2022-11-25 23:34:38,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:34:38,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-25 23:34:38,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:38,158 INFO L225 Difference]: With dead ends: 8296 [2022-11-25 23:34:38,158 INFO L226 Difference]: Without dead ends: 8292 [2022-11-25 23:34:38,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:38,167 INFO L413 NwaCegarLoop]: 3189 mSDtfsCounter, 2792 mSDsluCounter, 2461 mSDsCounter, 0 mSdLazyCounter, 550 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2794 SdHoareTripleChecker+Valid, 5650 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 550 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:38,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2794 Valid, 5650 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 550 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-25 23:34:38,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8292 states. [2022-11-25 23:34:38,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8292 to 8264. [2022-11-25 23:34:38,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8264 states, 5036 states have (on average 1.3230738681493248) internal successors, (6663), 5250 states have internal predecessors, (6663), 2623 states have call successors, (2623), 613 states have call predecessors, (2623), 604 states have return successors, (2647), 2510 states have call predecessors, (2647), 2607 states have call successors, (2647) [2022-11-25 23:34:38,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8264 states to 8264 states and 11933 transitions. [2022-11-25 23:34:38,921 INFO L78 Accepts]: Start accepts. Automaton has 8264 states and 11933 transitions. Word has length 17 [2022-11-25 23:34:38,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:38,922 INFO L495 AbstractCegarLoop]: Abstraction has 8264 states and 11933 transitions. [2022-11-25 23:34:38,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand 8264 states and 11933 transitions. [2022-11-25 23:34:38,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 23:34:38,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:38,924 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:38,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:34:38,925 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:38,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:38,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1325030623, now seen corresponding path program 1 times [2022-11-25 23:34:38,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:38,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713662406] [2022-11-25 23:34:38,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:38,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:39,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:34:39,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:39,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713662406] [2022-11-25 23:34:39,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713662406] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:39,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:39,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:34:39,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637127332] [2022-11-25 23:34:39,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:39,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:34:39,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:39,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:34:39,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:39,197 INFO L87 Difference]: Start difference. First operand 8264 states and 11933 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:41,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:43,542 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:45,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:45,766 INFO L93 Difference]: Finished difference Result 13701 states and 19836 transitions. [2022-11-25 23:34:45,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:34:45,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-25 23:34:45,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:45,938 INFO L225 Difference]: With dead ends: 13701 [2022-11-25 23:34:45,938 INFO L226 Difference]: Without dead ends: 13680 [2022-11-25 23:34:45,946 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:34:45,948 INFO L413 NwaCegarLoop]: 3198 mSDtfsCounter, 2785 mSDsluCounter, 2474 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2787 SdHoareTripleChecker+Valid, 5672 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:45,948 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2787 Valid, 5672 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 548 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-25 23:34:45,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13680 states. [2022-11-25 23:34:46,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13680 to 13651. [2022-11-25 23:34:46,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13651 states, 8345 states have (on average 1.3260635110844816) internal successors, (11066), 8711 states have internal predecessors, (11066), 4313 states have call successors, (4313), 1019 states have call predecessors, (4313), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-11-25 23:34:46,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13651 states to 13651 states and 19770 transitions. [2022-11-25 23:34:46,878 INFO L78 Accepts]: Start accepts. Automaton has 13651 states and 19770 transitions. Word has length 18 [2022-11-25 23:34:46,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:46,879 INFO L495 AbstractCegarLoop]: Abstraction has 13651 states and 19770 transitions. [2022-11-25 23:34:46,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:34:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 13651 states and 19770 transitions. [2022-11-25 23:34:46,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-25 23:34:46,884 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:46,885 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:34:46,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:34:46,885 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:46,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:46,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1394210988, now seen corresponding path program 1 times [2022-11-25 23:34:46,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:46,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108361688] [2022-11-25 23:34:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:46,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:47,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:34:47,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:47,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108361688] [2022-11-25 23:34:47,556 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108361688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:47,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:47,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:34:47,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649775240] [2022-11-25 23:34:47,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:47,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:34:47,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:47,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:34:47,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:34:47,559 INFO L87 Difference]: Start difference. First operand 13651 states and 19770 transitions. Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:34:50,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:52,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:34:55,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:34:55,583 INFO L93 Difference]: Finished difference Result 28818 states and 42787 transitions. [2022-11-25 23:34:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:34:55,584 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 35 [2022-11-25 23:34:55,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:34:55,685 INFO L225 Difference]: With dead ends: 28818 [2022-11-25 23:34:55,686 INFO L226 Difference]: Without dead ends: 17795 [2022-11-25 23:34:55,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:34:55,750 INFO L413 NwaCegarLoop]: 3078 mSDtfsCounter, 492 mSDsluCounter, 5495 mSDsCounter, 0 mSdLazyCounter, 874 mSolverCounterSat, 199 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 8573 SdHoareTripleChecker+Invalid, 1075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 199 IncrementalHoareTripleChecker+Valid, 874 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:34:55,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [590 Valid, 8573 Invalid, 1075 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [199 Valid, 874 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-25 23:34:55,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17795 states. [2022-11-25 23:34:57,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17795 to 13653. [2022-11-25 23:34:57,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13653 states, 8347 states have (on average 1.3259853839702886) internal successors, (11068), 8713 states have internal predecessors, (11068), 4313 states have call successors, (4313), 1019 states have call predecessors, (4313), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-11-25 23:34:57,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13653 states to 13653 states and 19772 transitions. [2022-11-25 23:34:57,150 INFO L78 Accepts]: Start accepts. Automaton has 13653 states and 19772 transitions. Word has length 35 [2022-11-25 23:34:57,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:34:57,150 INFO L495 AbstractCegarLoop]: Abstraction has 13653 states and 19772 transitions. [2022-11-25 23:34:57,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2022-11-25 23:34:57,151 INFO L276 IsEmpty]: Start isEmpty. Operand 13653 states and 19772 transitions. [2022-11-25 23:34:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-25 23:34:57,156 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:34:57,157 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:34:57,157 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:34:57,157 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:34:57,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:34:57,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1475383019, now seen corresponding path program 1 times [2022-11-25 23:34:57,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:34:57,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214030167] [2022-11-25 23:34:57,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:34:57,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:34:57,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:34:57,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:34:57,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:34:57,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214030167] [2022-11-25 23:34:57,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214030167] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:34:57,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:34:57,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:34:57,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578179541] [2022-11-25 23:34:57,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:34:57,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:34:57,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:34:57,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:34:57,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:34:57,595 INFO L87 Difference]: Start difference. First operand 13653 states and 19772 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 23:34:59,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:02,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:04,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:04,761 INFO L93 Difference]: Finished difference Result 15868 states and 23493 transitions. [2022-11-25 23:35:04,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:35:04,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 39 [2022-11-25 23:35:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:04,844 INFO L225 Difference]: With dead ends: 15868 [2022-11-25 23:35:04,844 INFO L226 Difference]: Without dead ends: 15853 [2022-11-25 23:35:04,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:35:04,860 INFO L413 NwaCegarLoop]: 2972 mSDtfsCounter, 474 mSDsluCounter, 5119 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 193 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 570 SdHoareTripleChecker+Valid, 8091 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 193 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:04,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [570 Valid, 8091 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [193 Valid, 828 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-25 23:35:04,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15853 states. [2022-11-25 23:35:06,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15853 to 13655. [2022-11-25 23:35:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13655 states, 8349 states have (on average 1.325907294286741) internal successors, (11070), 8715 states have internal predecessors, (11070), 4313 states have call successors, (4313), 1019 states have call predecessors, (4313), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-11-25 23:35:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13655 states to 13655 states and 19774 transitions. [2022-11-25 23:35:06,107 INFO L78 Accepts]: Start accepts. Automaton has 13655 states and 19774 transitions. Word has length 39 [2022-11-25 23:35:06,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:06,108 INFO L495 AbstractCegarLoop]: Abstraction has 13655 states and 19774 transitions. [2022-11-25 23:35:06,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-11-25 23:35:06,108 INFO L276 IsEmpty]: Start isEmpty. Operand 13655 states and 19774 transitions. [2022-11-25 23:35:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-25 23:35:06,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:06,111 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:06,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:35:06,112 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:06,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash 445578916, now seen corresponding path program 1 times [2022-11-25 23:35:06,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:06,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227135538] [2022-11-25 23:35:06,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:06,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:06,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:06,461 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:06,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227135538] [2022-11-25 23:35:06,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227135538] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:06,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:06,462 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:06,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695358674] [2022-11-25 23:35:06,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:06,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:06,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:06,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:06,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:06,464 INFO L87 Difference]: Start difference. First operand 13655 states and 19774 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:08,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:10,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:12,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:12,274 INFO L93 Difference]: Finished difference Result 13657 states and 19775 transitions. [2022-11-25 23:35:12,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:35:12,274 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2022-11-25 23:35:12,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:12,342 INFO L225 Difference]: With dead ends: 13657 [2022-11-25 23:35:12,342 INFO L226 Difference]: Without dead ends: 13654 [2022-11-25 23:35:12,352 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:12,353 INFO L413 NwaCegarLoop]: 2591 mSDtfsCounter, 2841 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2843 SdHoareTripleChecker+Valid, 2591 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:12,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2843 Valid, 2591 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-11-25 23:35:12,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13654 states. [2022-11-25 23:35:13,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13654 to 13654. [2022-11-25 23:35:13,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13654 states, 8349 states have (on average 1.3249490957000838) internal successors, (11062), 8714 states have internal predecessors, (11062), 4312 states have call successors, (4312), 1019 states have call predecessors, (4312), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-11-25 23:35:13,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13654 states to 13654 states and 19765 transitions. [2022-11-25 23:35:13,675 INFO L78 Accepts]: Start accepts. Automaton has 13654 states and 19765 transitions. Word has length 43 [2022-11-25 23:35:13,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:13,676 INFO L495 AbstractCegarLoop]: Abstraction has 13654 states and 19765 transitions. [2022-11-25 23:35:13,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:13,676 INFO L276 IsEmpty]: Start isEmpty. Operand 13654 states and 19765 transitions. [2022-11-25 23:35:13,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-25 23:35:13,679 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:13,679 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:13,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 23:35:13,680 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:13,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:13,680 INFO L85 PathProgramCache]: Analyzing trace with hash 926894335, now seen corresponding path program 1 times [2022-11-25 23:35:13,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:13,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951626418] [2022-11-25 23:35:13,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:13,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:13,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:13,987 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:13,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951626418] [2022-11-25 23:35:13,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951626418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:13,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:13,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:13,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397183714] [2022-11-25 23:35:13,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:13,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:13,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:13,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:13,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:13,990 INFO L87 Difference]: Start difference. First operand 13654 states and 19765 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:16,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:18,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:20,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:20,022 INFO L93 Difference]: Finished difference Result 13656 states and 19766 transitions. [2022-11-25 23:35:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:35:20,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 44 [2022-11-25 23:35:20,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:20,087 INFO L225 Difference]: With dead ends: 13656 [2022-11-25 23:35:20,087 INFO L226 Difference]: Without dead ends: 13653 [2022-11-25 23:35:20,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:20,097 INFO L413 NwaCegarLoop]: 2589 mSDtfsCounter, 2838 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:20,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 2589 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2022-11-25 23:35:20,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13653 states. [2022-11-25 23:35:21,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13653 to 13653. [2022-11-25 23:35:21,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13653 states, 8349 states have (on average 1.3239908971134267) internal successors, (11054), 8713 states have internal predecessors, (11054), 4311 states have call successors, (4311), 1019 states have call predecessors, (4311), 992 states have return successors, (4391), 4102 states have call predecessors, (4391), 4297 states have call successors, (4391) [2022-11-25 23:35:21,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13653 states to 13653 states and 19756 transitions. [2022-11-25 23:35:21,290 INFO L78 Accepts]: Start accepts. Automaton has 13653 states and 19756 transitions. Word has length 44 [2022-11-25 23:35:21,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:21,290 INFO L495 AbstractCegarLoop]: Abstraction has 13653 states and 19756 transitions. [2022-11-25 23:35:21,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:21,291 INFO L276 IsEmpty]: Start isEmpty. Operand 13653 states and 19756 transitions. [2022-11-25 23:35:21,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-25 23:35:21,294 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:21,294 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:21,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 23:35:21,295 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:21,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:21,295 INFO L85 PathProgramCache]: Analyzing trace with hash -1332191993, now seen corresponding path program 1 times [2022-11-25 23:35:21,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:21,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918645858] [2022-11-25 23:35:21,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:21,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:21,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918645858] [2022-11-25 23:35:21,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1918645858] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:21,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:21,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:21,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690362114] [2022-11-25 23:35:21,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:21,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:21,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:21,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:21,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:21,614 INFO L87 Difference]: Start difference. First operand 13653 states and 19756 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:23,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:25,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:27,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:27,367 INFO L93 Difference]: Finished difference Result 13655 states and 19757 transitions. [2022-11-25 23:35:27,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:35:27,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 45 [2022-11-25 23:35:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:27,424 INFO L225 Difference]: With dead ends: 13655 [2022-11-25 23:35:27,424 INFO L226 Difference]: Without dead ends: 13634 [2022-11-25 23:35:27,432 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:27,433 INFO L413 NwaCegarLoop]: 2587 mSDtfsCounter, 2835 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2837 SdHoareTripleChecker+Valid, 2587 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:27,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2837 Valid, 2587 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 5.0s Time] [2022-11-25 23:35:27,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13634 states. [2022-11-25 23:35:28,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13634 to 13634. [2022-11-25 23:35:28,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13634 states, 8337 states have (on average 1.3232577665827037) internal successors, (11032), 8700 states have internal predecessors, (11032), 4306 states have call successors, (4306), 1017 states have call predecessors, (4306), 990 states have return successors, (4387), 4098 states have call predecessors, (4387), 4293 states have call successors, (4387) [2022-11-25 23:35:28,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13634 states to 13634 states and 19725 transitions. [2022-11-25 23:35:28,669 INFO L78 Accepts]: Start accepts. Automaton has 13634 states and 19725 transitions. Word has length 45 [2022-11-25 23:35:28,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:28,670 INFO L495 AbstractCegarLoop]: Abstraction has 13634 states and 19725 transitions. [2022-11-25 23:35:28,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:28,670 INFO L276 IsEmpty]: Start isEmpty. Operand 13634 states and 19725 transitions. [2022-11-25 23:35:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 23:35:28,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:28,673 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:28,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 23:35:28,673 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:28,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:28,674 INFO L85 PathProgramCache]: Analyzing trace with hash 2089256632, now seen corresponding path program 1 times [2022-11-25 23:35:28,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:28,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609014264] [2022-11-25 23:35:28,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:28,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:28,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:29,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:29,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609014264] [2022-11-25 23:35:29,008 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609014264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:29,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:29,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:29,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801965190] [2022-11-25 23:35:29,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:29,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:29,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:29,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:29,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:29,010 INFO L87 Difference]: Start difference. First operand 13634 states and 19725 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:35:31,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:33,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:35,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:35,292 INFO L93 Difference]: Finished difference Result 22359 states and 31441 transitions. [2022-11-25 23:35:35,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:35:35,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2022-11-25 23:35:35,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:35,367 INFO L225 Difference]: With dead ends: 22359 [2022-11-25 23:35:35,368 INFO L226 Difference]: Without dead ends: 13002 [2022-11-25 23:35:35,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:35,417 INFO L413 NwaCegarLoop]: 2491 mSDtfsCounter, 1345 mSDsluCounter, 1290 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1345 SdHoareTripleChecker+Valid, 3781 SdHoareTripleChecker+Invalid, 487 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:35,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1345 Valid, 3781 Invalid, 487 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 484 Invalid, 2 Unknown, 0 Unchecked, 5.5s Time] [2022-11-25 23:35:35,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13002 states. [2022-11-25 23:35:36,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13002 to 12975. [2022-11-25 23:35:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12975 states, 7867 states have (on average 1.3027837803482902) internal successors, (10249), 8163 states have internal predecessors, (10249), 3996 states have call successors, (3996), 1141 states have call predecessors, (3996), 1111 states have return successors, (4054), 3825 states have call predecessors, (4054), 3984 states have call successors, (4054) [2022-11-25 23:35:36,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12975 states to 12975 states and 18299 transitions. [2022-11-25 23:35:36,603 INFO L78 Accepts]: Start accepts. Automaton has 12975 states and 18299 transitions. Word has length 46 [2022-11-25 23:35:36,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:36,604 INFO L495 AbstractCegarLoop]: Abstraction has 12975 states and 18299 transitions. [2022-11-25 23:35:36,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:35:36,604 INFO L276 IsEmpty]: Start isEmpty. Operand 12975 states and 18299 transitions. [2022-11-25 23:35:36,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-25 23:35:36,607 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:36,607 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:36,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-25 23:35:36,608 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:36,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:36,608 INFO L85 PathProgramCache]: Analyzing trace with hash 1650580738, now seen corresponding path program 1 times [2022-11-25 23:35:36,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:36,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883609493] [2022-11-25 23:35:36,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:36,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:36,923 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:36,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883609493] [2022-11-25 23:35:36,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883609493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:36,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:36,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:36,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227547979] [2022-11-25 23:35:36,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:36,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:36,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:36,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:36,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:36,926 INFO L87 Difference]: Start difference. First operand 12975 states and 18299 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:39,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:41,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:43,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:43,322 INFO L93 Difference]: Finished difference Result 12980 states and 18302 transitions. [2022-11-25 23:35:43,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:35:43,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 46 [2022-11-25 23:35:43,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:43,367 INFO L225 Difference]: With dead ends: 12980 [2022-11-25 23:35:43,368 INFO L226 Difference]: Without dead ends: 12957 [2022-11-25 23:35:43,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:43,374 INFO L413 NwaCegarLoop]: 2405 mSDtfsCounter, 1431 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1433 SdHoareTripleChecker+Valid, 3618 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:43,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1433 Valid, 3618 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 409 Invalid, 2 Unknown, 0 Unchecked, 5.6s Time] [2022-11-25 23:35:43,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12957 states. [2022-11-25 23:35:44,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12957 to 12867. [2022-11-25 23:35:44,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12867 states, 7802 states have (on average 1.3040246090745962) internal successors, (10174), 8088 states have internal predecessors, (10174), 3959 states have call successors, (3959), 1127 states have call predecessors, (3959), 1105 states have return successors, (4018), 3806 states have call predecessors, (4018), 3948 states have call successors, (4018) [2022-11-25 23:35:44,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12867 states to 12867 states and 18151 transitions. [2022-11-25 23:35:44,247 INFO L78 Accepts]: Start accepts. Automaton has 12867 states and 18151 transitions. Word has length 46 [2022-11-25 23:35:44,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:44,247 INFO L495 AbstractCegarLoop]: Abstraction has 12867 states and 18151 transitions. [2022-11-25 23:35:44,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:44,248 INFO L276 IsEmpty]: Start isEmpty. Operand 12867 states and 18151 transitions. [2022-11-25 23:35:44,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-25 23:35:44,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:44,251 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:44,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 23:35:44,252 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:44,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:44,253 INFO L85 PathProgramCache]: Analyzing trace with hash -372740246, now seen corresponding path program 1 times [2022-11-25 23:35:44,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:44,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005198118] [2022-11-25 23:35:44,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:44,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:44,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:44,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:44,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005198118] [2022-11-25 23:35:44,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005198118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:44,690 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:44,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:44,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65165535] [2022-11-25 23:35:44,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:44,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:44,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:44,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:44,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:44,693 INFO L87 Difference]: Start difference. First operand 12867 states and 18151 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:47,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:49,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:50,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:50,534 INFO L93 Difference]: Finished difference Result 12905 states and 18176 transitions. [2022-11-25 23:35:50,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:35:50,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2022-11-25 23:35:50,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:50,605 INFO L225 Difference]: With dead ends: 12905 [2022-11-25 23:35:50,605 INFO L226 Difference]: Without dead ends: 12877 [2022-11-25 23:35:50,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:50,617 INFO L413 NwaCegarLoop]: 2343 mSDtfsCounter, 2515 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2517 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:50,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2517 Valid, 2408 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 5.1s Time] [2022-11-25 23:35:50,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12877 states. [2022-11-25 23:35:51,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12877 to 12825. [2022-11-25 23:35:51,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12825 states, 7779 states have (on average 1.3037665509705618) internal successors, (10142), 8058 states have internal predecessors, (10142), 3931 states have call successors, (3931), 1129 states have call predecessors, (3931), 1114 states have return successors, (3992), 3792 states have call predecessors, (3992), 3922 states have call successors, (3992) [2022-11-25 23:35:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12825 states to 12825 states and 18065 transitions. [2022-11-25 23:35:51,851 INFO L78 Accepts]: Start accepts. Automaton has 12825 states and 18065 transitions. Word has length 47 [2022-11-25 23:35:51,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:51,856 INFO L495 AbstractCegarLoop]: Abstraction has 12825 states and 18065 transitions. [2022-11-25 23:35:51,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:51,856 INFO L276 IsEmpty]: Start isEmpty. Operand 12825 states and 18065 transitions. [2022-11-25 23:35:51,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-25 23:35:51,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:51,859 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:51,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 23:35:51,860 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:51,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:51,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1328823557, now seen corresponding path program 1 times [2022-11-25 23:35:51,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:51,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767576415] [2022-11-25 23:35:51,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:51,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:52,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:52,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767576415] [2022-11-25 23:35:52,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767576415] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:52,223 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:52,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:35:52,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367395623] [2022-11-25 23:35:52,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:52,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:35:52,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:52,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:35:52,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:52,226 INFO L87 Difference]: Start difference. First operand 12825 states and 18065 transitions. Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:54,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:56,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:35:58,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:35:58,108 INFO L93 Difference]: Finished difference Result 12839 states and 18072 transitions. [2022-11-25 23:35:58,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:35:58,108 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2022-11-25 23:35:58,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:35:58,156 INFO L225 Difference]: With dead ends: 12839 [2022-11-25 23:35:58,156 INFO L226 Difference]: Without dead ends: 12797 [2022-11-25 23:35:58,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:35:58,165 INFO L413 NwaCegarLoop]: 2341 mSDtfsCounter, 2511 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 271 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2513 SdHoareTripleChecker+Valid, 2397 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 271 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:35:58,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2513 Valid, 2397 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 271 Invalid, 2 Unknown, 0 Unchecked, 5.2s Time] [2022-11-25 23:35:58,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12797 states. [2022-11-25 23:35:59,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12797 to 12754. [2022-11-25 23:35:59,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12754 states, 7736 states have (on average 1.3031282316442605) internal successors, (10081), 8014 states have internal predecessors, (10081), 3900 states have call successors, (3900), 1121 states have call predecessors, (3900), 1117 states have return successors, (3963), 3773 states have call predecessors, (3963), 3893 states have call successors, (3963) [2022-11-25 23:35:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12754 states to 12754 states and 17944 transitions. [2022-11-25 23:35:59,169 INFO L78 Accepts]: Start accepts. Automaton has 12754 states and 17944 transitions. Word has length 48 [2022-11-25 23:35:59,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:35:59,169 INFO L495 AbstractCegarLoop]: Abstraction has 12754 states and 17944 transitions. [2022-11-25 23:35:59,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-25 23:35:59,170 INFO L276 IsEmpty]: Start isEmpty. Operand 12754 states and 17944 transitions. [2022-11-25 23:35:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-25 23:35:59,173 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:35:59,173 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:35:59,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 23:35:59,174 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:35:59,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:35:59,174 INFO L85 PathProgramCache]: Analyzing trace with hash -527922708, now seen corresponding path program 1 times [2022-11-25 23:35:59,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:35:59,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908899571] [2022-11-25 23:35:59,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:35:59,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:35:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:35:59,676 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:35:59,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:35:59,677 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908899571] [2022-11-25 23:35:59,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908899571] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:35:59,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:35:59,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:35:59,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158229199] [2022-11-25 23:35:59,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:35:59,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:35:59,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:35:59,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:35:59,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:35:59,682 INFO L87 Difference]: Start difference. First operand 12754 states and 17944 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:36:02,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:04,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:07,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:07,515 INFO L93 Difference]: Finished difference Result 14714 states and 20692 transitions. [2022-11-25 23:36:07,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:36:07,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-11-25 23:36:07,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:07,561 INFO L225 Difference]: With dead ends: 14714 [2022-11-25 23:36:07,561 INFO L226 Difference]: Without dead ends: 12754 [2022-11-25 23:36:07,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:36:07,574 INFO L413 NwaCegarLoop]: 2317 mSDtfsCounter, 3 mSDsluCounter, 6942 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 9259 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:07,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 9259 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1051 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-25 23:36:07,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12754 states. [2022-11-25 23:36:08,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12754 to 12754. [2022-11-25 23:36:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12754 states, 7736 states have (on average 1.3029989658738366) internal successors, (10080), 8013 states have internal predecessors, (10080), 3900 states have call successors, (3900), 1121 states have call predecessors, (3900), 1117 states have return successors, (3963), 3773 states have call predecessors, (3963), 3893 states have call successors, (3963) [2022-11-25 23:36:08,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12754 states to 12754 states and 17943 transitions. [2022-11-25 23:36:08,474 INFO L78 Accepts]: Start accepts. Automaton has 12754 states and 17943 transitions. Word has length 55 [2022-11-25 23:36:08,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:08,474 INFO L495 AbstractCegarLoop]: Abstraction has 12754 states and 17943 transitions. [2022-11-25 23:36:08,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-25 23:36:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 12754 states and 17943 transitions. [2022-11-25 23:36:08,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-25 23:36:08,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:08,480 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:36:08,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 23:36:08,480 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:36:08,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:08,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1727714039, now seen corresponding path program 1 times [2022-11-25 23:36:08,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:08,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561659180] [2022-11-25 23:36:08,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:08,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:36:09,046 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:09,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561659180] [2022-11-25 23:36:09,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561659180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:09,046 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:09,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:36:09,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786579258] [2022-11-25 23:36:09,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:09,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:36:09,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:36:09,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:36:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:36:09,049 INFO L87 Difference]: Start difference. First operand 12754 states and 17943 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-25 23:36:11,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:13,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:17,450 INFO L93 Difference]: Finished difference Result 25457 states and 35822 transitions. [2022-11-25 23:36:17,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:36:17,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 59 [2022-11-25 23:36:17,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:17,536 INFO L225 Difference]: With dead ends: 25457 [2022-11-25 23:36:17,537 INFO L226 Difference]: Without dead ends: 12736 [2022-11-25 23:36:17,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:36:17,579 INFO L413 NwaCegarLoop]: 2316 mSDtfsCounter, 4 mSDsluCounter, 6937 mSDsCounter, 0 mSdLazyCounter, 1047 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9253 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1047 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:17,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9253 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1047 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-25 23:36:17,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12736 states. [2022-11-25 23:36:18,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12736 to 12736. [2022-11-25 23:36:18,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12736 states, 7726 states have (on average 1.302873414444732) internal successors, (10066), 8003 states have internal predecessors, (10066), 3896 states have call successors, (3896), 1117 states have call predecessors, (3896), 1113 states have return successors, (3959), 3769 states have call predecessors, (3959), 3889 states have call successors, (3959) [2022-11-25 23:36:18,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12736 states to 12736 states and 17921 transitions. [2022-11-25 23:36:18,447 INFO L78 Accepts]: Start accepts. Automaton has 12736 states and 17921 transitions. Word has length 59 [2022-11-25 23:36:18,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:18,447 INFO L495 AbstractCegarLoop]: Abstraction has 12736 states and 17921 transitions. [2022-11-25 23:36:18,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2022-11-25 23:36:18,448 INFO L276 IsEmpty]: Start isEmpty. Operand 12736 states and 17921 transitions. [2022-11-25 23:36:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-25 23:36:18,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:18,456 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:36:18,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-25 23:36:18,457 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:36:18,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:18,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1599025133, now seen corresponding path program 1 times [2022-11-25 23:36:18,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:18,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158573242] [2022-11-25 23:36:18,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:18,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:19,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:36:24,073 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:36:24,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:36:24,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158573242] [2022-11-25 23:36:24,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158573242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:36:24,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:36:24,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-11-25 23:36:24,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111241306] [2022-11-25 23:36:24,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:36:24,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-25 23:36:24,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:36:24,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-25 23:36:24,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=209, Unknown=0, NotChecked=0, Total=240 [2022-11-25 23:36:24,075 INFO L87 Difference]: Start difference. First operand 12736 states and 17921 transitions. Second operand has 16 states, 9 states have (on average 6.0) internal successors, (54), 12 states have internal predecessors, (54), 5 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-25 23:36:26,738 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:29,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:36:40,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:36:40,627 INFO L93 Difference]: Finished difference Result 12761 states and 17940 transitions. [2022-11-25 23:36:40,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-25 23:36:40,627 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 9 states have (on average 6.0) internal successors, (54), 12 states have internal predecessors, (54), 5 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) Word has length 80 [2022-11-25 23:36:40,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:36:40,657 INFO L225 Difference]: With dead ends: 12761 [2022-11-25 23:36:40,658 INFO L226 Difference]: Without dead ends: 10796 [2022-11-25 23:36:40,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2022-11-25 23:36:40,670 INFO L413 NwaCegarLoop]: 2185 mSDtfsCounter, 12 mSDsluCounter, 28219 mSDsCounter, 0 mSdLazyCounter, 5494 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 30404 SdHoareTripleChecker+Invalid, 5501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 5494 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:36:40,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 30404 Invalid, 5501 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 5494 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-11-25 23:36:40,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10796 states. [2022-11-25 23:36:41,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10796 to 10796. [2022-11-25 23:36:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10796 states, 6549 states have (on average 1.3038631852191174) internal successors, (8539), 6792 states have internal predecessors, (8539), 3292 states have call successors, (3292), 958 states have call predecessors, (3292), 954 states have return successors, (3355), 3177 states have call predecessors, (3355), 3285 states have call successors, (3355) [2022-11-25 23:36:41,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10796 states to 10796 states and 15186 transitions. [2022-11-25 23:36:41,257 INFO L78 Accepts]: Start accepts. Automaton has 10796 states and 15186 transitions. Word has length 80 [2022-11-25 23:36:41,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:36:41,258 INFO L495 AbstractCegarLoop]: Abstraction has 10796 states and 15186 transitions. [2022-11-25 23:36:41,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 9 states have (on average 6.0) internal successors, (54), 12 states have internal predecessors, (54), 5 states have call successors, (14), 2 states have call predecessors, (14), 5 states have return successors, (11), 6 states have call predecessors, (11), 5 states have call successors, (11) [2022-11-25 23:36:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 10796 states and 15186 transitions. [2022-11-25 23:36:41,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 23:36:41,262 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:36:41,262 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-11-25 23:36:41,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-25 23:36:41,263 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:36:41,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:36:41,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1948494321, now seen corresponding path program 1 times [2022-11-25 23:36:41,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:36:41,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498402002] [2022-11-25 23:36:41,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:36:41,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:36:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:36:43,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 23:36:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:36:49,509 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-25 23:36:49,510 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 23:36:49,512 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 23:36:49,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-25 23:36:49,517 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:36:49,522 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:36:49,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:36:49 BoogieIcfgContainer [2022-11-25 23:36:49,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:36:49,689 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:36:49,689 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:36:49,690 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:36:49,690 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:34:01" (3/4) ... [2022-11-25 23:36:49,693 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 23:36:49,694 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:36:49,694 INFO L158 Benchmark]: Toolchain (without parser) took 190203.95ms. Allocated memory was 169.9MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 111.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 800.5MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,695 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:49,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5014.80ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 111.4MB in the beginning and 71.7MB in the end (delta: 39.7MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 517.48ms. Allocated memory is still 220.2MB. Free memory was 71.7MB in the beginning and 91.6MB in the end (delta: -19.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,700 INFO L158 Benchmark]: Boogie Preprocessor took 436.95ms. Allocated memory is still 220.2MB. Free memory was 91.6MB in the beginning and 84.4MB in the end (delta: 7.2MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,700 INFO L158 Benchmark]: RCFGBuilder took 15847.79ms. Allocated memory was 220.2MB in the beginning and 501.2MB in the end (delta: 281.0MB). Free memory was 84.4MB in the beginning and 251.9MB in the end (delta: -167.5MB). Peak memory consumption was 288.5MB. Max. memory is 16.1GB. [2022-11-25 23:36:49,703 INFO L158 Benchmark]: TraceAbstraction took 168371.31ms. Allocated memory was 501.2MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 251.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2022-11-25 23:36:49,703 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 2.2GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:36:49,704 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5014.80ms. Allocated memory was 169.9MB in the beginning and 220.2MB in the end (delta: 50.3MB). Free memory was 111.4MB in the beginning and 71.7MB in the end (delta: 39.7MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 517.48ms. Allocated memory is still 220.2MB. Free memory was 71.7MB in the beginning and 91.6MB in the end (delta: -19.9MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 436.95ms. Allocated memory is still 220.2MB. Free memory was 91.6MB in the beginning and 84.4MB in the end (delta: 7.2MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * RCFGBuilder took 15847.79ms. Allocated memory was 220.2MB in the beginning and 501.2MB in the end (delta: 281.0MB). Free memory was 84.4MB in the beginning and 251.9MB in the end (delta: -167.5MB). Peak memory consumption was 288.5MB. Max. memory is 16.1GB. * TraceAbstraction took 168371.31ms. Allocated memory was 501.2MB in the beginning and 2.2GB in the end (delta: 1.7GB). Free memory was 251.9MB in the beginning and 1.3GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 2.2GB. Free memory is still 1.3GB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 13668]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 12798, overapproximation of bitwiseAnd at line 12804. Possible FailurePath: [L7687] static unsigned int vhost_zcopy_mask ; [L10792] static struct target_fabric_configfs *tcm_vhost_fabric_configfs ; [L10793] static struct workqueue_struct *tcm_vhost_workqueue ; [L10794-L10797] static struct mutex tcm_vhost_mutex = {{1}, {{{{{0U}}, 3735899821U, 4294967295U, 0xffffffffffffffffUL, {0, {0, 0}, "tcm_vhost_mutex.wait_lock", 0, 0UL}}}}, {& tcm_vhost_mutex.wait_list, & tcm_vhost_mutex.wait_list}, 0, 0, (void *)(& tcm_vhost_mutex), {0, {0, 0}, "tcm_vhost_mutex", 0, 0UL}}; [L10798] static struct list_head tcm_vhost_list = {& tcm_vhost_list, & tcm_vhost_list}; [L12183-L12186] static struct file_operations const vhost_scsi_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_scsi_ioctl, & vhost_scsi_compat_ioctl, 0, & vhost_scsi_open, 0, & vhost_scsi_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L12187-L12188] static struct miscdevice vhost_scsi_misc = {255, "vhost-scsi", & vhost_scsi_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L12540] static struct target_fabric_tpg_attribute tcm_vhost_tpg_nexus = {{"nexus", & __this_module, 420U}, & tcm_vhost_tpg_show_nexus, & tcm_vhost_tpg_store_nexus}; [L12541] static struct configfs_attribute *tcm_vhost_tpg_attrs[2U] = { & tcm_vhost_tpg_nexus.attr, 0}; [L12732] static struct target_fabric_wwn_attribute tcm_vhost_wwn_version = {{"version", & __this_module, 292U}, & tcm_vhost_wwn_show_attr_version, 0}; [L12733] static struct configfs_attribute *tcm_vhost_wwn_attrs[2U] = { & tcm_vhost_wwn_version.attr, 0}; [L12734-L12745] static struct target_core_fabric_ops tcm_vhost_ops = {0, & tcm_vhost_get_fabric_name, & tcm_vhost_get_fabric_proto_ident, & tcm_vhost_get_fabric_wwn, & tcm_vhost_get_tag, & tcm_vhost_get_default_depth, & tcm_vhost_get_pr_transport_id, & tcm_vhost_get_pr_transport_id_len, & tcm_vhost_parse_pr_out_transport_id, & tcm_vhost_check_true, & tcm_vhost_check_true, & tcm_vhost_check_false, & tcm_vhost_check_false, 0, & tcm_vhost_alloc_fabric_acl, & tcm_vhost_release_fabric_acl, & tcm_vhost_tpg_get_inst_index, 0, & tcm_vhost_release_cmd, 0, & tcm_vhost_shutdown_session, & tcm_vhost_close_session, & tcm_vhost_sess_get_index, 0, & tcm_vhost_write_pending, & tcm_vhost_write_pending_status, & tcm_vhost_set_default_node_attrs, & tcm_vhost_get_task_tag, & tcm_vhost_get_cmd_state, & tcm_vhost_queue_data_in, & tcm_vhost_queue_status, & tcm_vhost_queue_tm_rsp, & tcm_vhost_make_tport, & tcm_vhost_drop_tport, & tcm_vhost_make_tpg, & tcm_vhost_drop_tpg, & tcm_vhost_port_link, & tcm_vhost_port_unlink, 0, 0, & tcm_vhost_make_nodeacl, & tcm_vhost_drop_nodeacl}; [L12885] int LDV_IN_INTERRUPT ; [L13678] static int ldv_mutex_cred_guard_mutex ; [L13785] static int ldv_mutex_lock ; [L13892] static int ldv_mutex_mtx ; [L13999] static int ldv_mutex_mutex ; [L14106] static int ldv_mutex_tcm_vhost_mutex ; [L14213] static int ldv_mutex_tv_tpg_mutex ; [L12888] struct inode *var_group1 ; [L12889] struct file *var_group2 ; [L12890] unsigned int var_vhost_scsi_ioctl_44_p1 ; [L12891] unsigned long var_vhost_scsi_ioctl_44_p2 ; [L12892] unsigned int var_vhost_scsi_compat_ioctl_45_p1 ; [L12893] unsigned long var_vhost_scsi_compat_ioctl_45_p2 ; [L12894] int res_vhost_scsi_open_39 ; [L12895] struct se_portal_group *var_group3 ; [L12896] struct se_node_acl *var_group4 ; [L12897] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_7_p2 ; [L12898] int *var_tcm_vhost_get_pr_transport_id_7_p3 ; [L12899] unsigned char *var_tcm_vhost_get_pr_transport_id_7_p4 ; [L12900] struct t10_pr_registration *var_tcm_vhost_get_pr_transport_id_len_8_p2 ; [L12901] int *var_tcm_vhost_get_pr_transport_id_len_8_p3 ; [L12902] char const *var_tcm_vhost_parse_pr_out_transport_id_9_p1 ; [L12903] u32 *var_tcm_vhost_parse_pr_out_transport_id_9_p2 ; [L12904] char **var_tcm_vhost_parse_pr_out_transport_id_9_p3 ; [L12905] struct se_cmd *var_group5 ; [L12906] struct se_session *var_group6 ; [L12907] struct target_fabric_configfs *var_group7 ; [L12908] struct config_group *var_group8 ; [L12909] char const *var_tcm_vhost_make_tport_59_p2 ; [L12910] struct se_wwn *var_group9 ; [L12911] char const *var_tcm_vhost_make_tpg_57_p2 ; [L12912] struct se_lun *var_group10 ; [L12913] char const *var_tcm_vhost_make_nodeacl_51_p2 ; [L12914] int ldv_s_vhost_scsi_fops_file_operations ; [L12915] int tmp ; [L12916] int tmp___0 ; [L12917] int tmp___1 ; [L12919] ldv_s_vhost_scsi_fops_file_operations = 0 [L12920] LDV_IN_INTERRUPT = 1 [L12921] CALL ldv_initialize() [L14323] ldv_mutex_cred_guard_mutex = 1 [L14324] ldv_mutex_lock = 1 [L14325] ldv_mutex_mtx = 1 [L14326] ldv_mutex_mutex = 1 [L14327] ldv_mutex_tcm_vhost_mutex = 1 [L14328] ldv_mutex_tv_tpg_mutex = 1 [L12921] RET ldv_initialize() [L12922] FCALL ldv_handler_precall() VAL [__this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={0:0}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12923] CALL, EXPR tcm_vhost_init() [L12839] int ret ; [L12840] struct lock_class_key __key ; [L12841] char const *__lock_name ; [L12842] struct workqueue_struct *tmp ; [L12844] ret = -12 [L12845] __lock_name = "tcm_vhost" [L12846] tmp = __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name) [L12847] tcm_vhost_workqueue = tmp VAL [__alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={365:-364}, __key={363:0}, __lock_name={351:0}, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=-12, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp={365:-364}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12848] COND FALSE !((unsigned long )tcm_vhost_workqueue == (unsigned long )((struct workqueue_struct *)0)) [L12852] CALL, EXPR vhost_scsi_register() [L12191] int tmp ; [L12193] CALL, EXPR misc_register(& vhost_scsi_misc) [L14561] return __VERIFIER_nondet_int(); [L12193] RET, EXPR misc_register(& vhost_scsi_misc) [L12193] tmp = misc_register(& vhost_scsi_misc) [L12194] return (tmp); [L12852] RET, EXPR vhost_scsi_register() [L12852] ret = vhost_scsi_register() [L12853] COND FALSE !(ret < 0) [L12857] CALL, EXPR tcm_vhost_register_configfs() [L12748] struct target_fabric_configfs *fabric ; [L12749] int ret ; [L12750] struct _ddebug descriptor ; [L12751] struct new_utsname *tmp ; [L12752] struct new_utsname *tmp___0 ; [L12753] long tmp___1 ; [L12754] long tmp___2 ; [L12755] long tmp___3 ; [L12756] struct _ddebug descriptor___0 ; [L12757] long tmp___4 ; [L12759] descriptor.modname = "tcm_vhost" [L12760] descriptor.function = "tcm_vhost_register_configfs" [L12761] descriptor.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12762] descriptor.format = "TCM_VHOST fabric module %s on %s/%s on 3.7.3\n" [L12763] descriptor.lineno = 1561U [L12764] descriptor.flags = 0U [L12765] EXPR descriptor.flags VAL [__this_module={36893488147419103247:36893488147419103292}, descriptor={367:0}, descriptor.flags=0, descriptor___0={366:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12765] CALL, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13675] return (exp); [L12765] RET, EXPR ldv__builtin_expect((long )descriptor.flags & 1L, 0L) VAL [__this_module={36893488147419103247:36893488147419103292}, descriptor={367:0}, descriptor.flags=0, descriptor___0={366:0}, ldv__builtin_expect((long )descriptor.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12765] tmp___1 = ldv__builtin_expect((long )descriptor.flags & 1L, 0L) [L12766] COND FALSE !(tmp___1 != 0L) VAL [__this_module={36893488147419103247:36893488147419103292}, descriptor={367:0}, descriptor___0={366:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12773] CALL, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L14636] CALL, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) VAL [__this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L7220] COND FALSE !(__VERIFIER_nondet_int()) [L7225] return ((void *)0); [L14636] RET, EXPR ldv_malloc(sizeof(struct target_fabric_configfs)) VAL [__this_module={36893488147419103247:36893488147419103292}, arg0={36893488147419103247:36893488147419103292}, arg0={36893488147419103247:36893488147419103292}, arg1={338:0}, arg1={338:0}, LDV_IN_INTERRUPT=1, ldv_malloc(sizeof(struct target_fabric_configfs))={0:0}, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14636] return ldv_malloc(sizeof(struct target_fabric_configfs)); [L12773] RET, EXPR target_fabric_configfs_init(& __this_module, "vhost") [L12773] fabric = target_fabric_configfs_init(& __this_module, "vhost") [L12774] CALL, EXPR IS_ERR((void const *)fabric) VAL [__this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6795] long tmp ; VAL [__this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6797] CALL, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13675] return (exp); [L6797] RET, EXPR ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) VAL [__this_module={36893488147419103247:36893488147419103292}, ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ptr={0:0}, ptr={0:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6797] tmp = ldv__builtin_expect((unsigned long )ptr > 0xfffffffffffff000UL, 0L) [L6798] return (tmp); [L12774] RET, EXPR IS_ERR((void const *)fabric) VAL [__this_module={36893488147419103247:36893488147419103292}, descriptor={367:0}, descriptor___0={366:0}, fabric={0:0}, IS_ERR((void const *)fabric)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12774] tmp___3 = IS_ERR((void const *)fabric) [L12775] COND FALSE !(tmp___3 != 0L) [L12781] fabric->tf_ops = tcm_vhost_ops [L12782] fabric->tf_cit_tmpl.tfc_wwn_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_wwn_attrs) [L12783] fabric->tf_cit_tmpl.tfc_tpg_base_cit.ct_attrs = (struct configfs_attribute **)(& tcm_vhost_tpg_attrs) [L12784] fabric->tf_cit_tmpl.tfc_tpg_attrib_cit.ct_attrs = 0 [L12785] fabric->tf_cit_tmpl.tfc_tpg_param_cit.ct_attrs = 0 [L12786] fabric->tf_cit_tmpl.tfc_tpg_np_base_cit.ct_attrs = 0 [L12787] fabric->tf_cit_tmpl.tfc_tpg_nacl_base_cit.ct_attrs = 0 [L12788] fabric->tf_cit_tmpl.tfc_tpg_nacl_attrib_cit.ct_attrs = 0 [L12789] fabric->tf_cit_tmpl.tfc_tpg_nacl_auth_cit.ct_attrs = 0 [L12790] fabric->tf_cit_tmpl.tfc_tpg_nacl_param_cit.ct_attrs = 0 [L12791] CALL, EXPR target_fabric_configfs_register(fabric) [L14640] return __VERIFIER_nondet_int(); [L12791] RET, EXPR target_fabric_configfs_register(fabric) [L12791] ret = target_fabric_configfs_register(fabric) [L12792] COND FALSE !(ret < 0) [L12797] tcm_vhost_fabric_configfs = fabric [L12798] descriptor___0.modname = "tcm_vhost" [L12799] descriptor___0.function = "tcm_vhost_register_configfs" [L12800] descriptor___0.filename = "/work/vladimir/UFO/Work/test/work/current--X--drivers/vhost/tcm_vhost.ko--X--defaultlinux-3.7.3--X--32_7a--X--ufo/linux-3.7.3/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/vhost/tcm_vhost.c.prepared" [L12801] descriptor___0.format = "TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n" [L12802] descriptor___0.lineno = 1599U [L12803] descriptor___0.flags = 0U [L12804] EXPR descriptor___0.flags VAL [__this_module={36893488147419103247:36893488147419103292}, descriptor={367:0}, descriptor___0={366:0}, descriptor___0.flags=0, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12804] CALL, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [\old(c)=0, \old(exp)=0, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13675] return (exp); [L12804] RET, EXPR ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) VAL [__this_module={36893488147419103247:36893488147419103292}, descriptor={367:0}, descriptor___0={366:0}, descriptor___0.flags=0, fabric={0:0}, ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L)=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, tmp___3=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12804] tmp___4 = ldv__builtin_expect((long )descriptor___0.flags & 1L, 0L) [L12805] COND FALSE !(tmp___4 != 0L) [L12809] return (0); [L12809] return (0); [L12809] return (0); VAL [\result=0, __dynamic_pr_debug(& descriptor___0, "TCM_VHOST[0] - Set fabric -> tcm_vhost_fabric_configfs\n")=36893488147419103249, __this_module={36893488147419103247:36893488147419103292}, fabric={0:0}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp___1=0, tmp___3=0, tmp___4=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12857] RET, EXPR tcm_vhost_register_configfs() [L12857] ret = tcm_vhost_register_configfs() [L12858] COND FALSE !(ret < 0) [L12862] return (0); [L12862] return (0); VAL [\result=0, __alloc_workqueue_key("tcm_vhost", 0U, 0, & __key, __lock_name)={365:-364}, __lock_name={351:0}, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ret=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp={365:-364}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12923] RET, EXPR tcm_vhost_init() [L12923] tmp = tcm_vhost_init() [L12924] COND FALSE !(tmp != 0) VAL [__this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp=0, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13102] tmp___1 = __VERIFIER_nondet_int() [L13103] COND TRUE tmp___1 != 0 || ldv_s_vhost_scsi_fops_file_operations != 0 [L12930] tmp___0 = __VERIFIER_nondet_int() [L12932] case 0: [L12945] case 1: [L12953] case 2: VAL [__this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp=0, tmp___0=2, tmp___1=1, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12954] FCALL ldv_handler_precall() VAL [__this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, ldv_s_vhost_scsi_fops_file_operations=0, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, tmp=0, tmp___0=2, tmp___1=1, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12955] CALL vhost_scsi_ioctl(var_group2, var_vhost_scsi_ioctl_44_p1, var_vhost_scsi_ioctl_44_p2) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12095] struct vhost_scsi *vs ; [L12096] struct vhost_scsi_target backend ; [L12097] void *argp ; [L12098] u64 *featurep ; [L12099] u64 features ; [L12100] int r ; [L12101] int abi_version ; [L12102] unsigned long tmp ; [L12103] int tmp___0 ; [L12104] unsigned long tmp___1 ; [L12105] int tmp___2 ; [L12106] int tmp___3 ; [L12107] int tmp___4 ; [L12108] unsigned long tmp___5 ; [L12109] int tmp___6 ; [L12110] long tmp___7 ; [L12112] EXPR f->private_data [L12112] vs = (struct vhost_scsi *)f->private_data [L12113] argp = (void *)arg [L12114] featurep = (u64 *)argp [L12115] abi_version = 0 [L12117] case 1088991040U: [L12129] case 1088991041U: [L12141] case 1074048834U: [L12148] case 2148052736U: [L12156] case 1074310912U: [L12164] default: [L12165] CALL ldv_mutex_lock_44(& vs->dev.mutex) [L13467] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103235:401}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14037] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103235:401}, lock={36893488147419103235:401}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14041] ldv_mutex_mutex = 2 [L13467] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, ldv_func_arg1={36893488147419103235:401}, ldv_func_arg1={36893488147419103235:401}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13468] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, ldv_func_arg1={36893488147419103235:401}, ldv_func_arg1={36893488147419103235:401}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L12165] RET ldv_mutex_lock_44(& vs->dev.mutex) [L12166] CALL vhost_dev_ioctl(& vs->dev, ioctl, arg) [L8943] void *argp ; [L8944] struct file *eventfp ; [L8945] struct file *filep ; [L8946] struct eventfd_ctx *ctx ; [L8947] u64 p ; [L8948] long r ; [L8949] int i ; [L8950] int fd ; [L8951] unsigned long tmp ; [L8952] struct vhost_virtqueue *vq ; [L8953] void *base ; [L8954] int tmp___0 ; [L8955] int __ret_gu ; [L8956] unsigned long __val_gu ; [L8957] struct file *tmp___1 ; [L8958] long tmp___2 ; [L8959] struct eventfd_ctx *tmp___3 ; [L8961] argp = (void *)arg [L8962] filep = 0 [L8963] ctx = 0 VAL [\old(arg)=18446744073709551614, \old(ioctl)=2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, arg=18446744073709551614, argp={0:-2}, ctx={0:0}, d={36893488147419103235:385}, d={36893488147419103235:385}, filep={0:0}, ioctl=2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, p={371:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8964] COND FALSE !(ioctl == 44801U) [L8969] CALL, EXPR vhost_dev_check_owner(d) [L8126] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, dev={36893488147419103235:385}, dev={36893488147419103235:385}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8128] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L6751] struct task_struct *pfo_ret__ ; [L6754] case 1UL: [L6757] case 2UL: [L6760] case 4UL: [L6763] case 8UL: [L6770] return (pfo_ret__); [L8128] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, dev={36893488147419103235:385}, dev={36893488147419103235:385}, get_current()={36893488147419103242:-3}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8128] tmp = get_current() [L8129] EXPR dev->mm [L8129] EXPR tmp->mm [L8129] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L8969] RET, EXPR vhost_dev_check_owner(d) [L8969] r = vhost_dev_check_owner(d) [L8970] COND FALSE !(r != 0L) [L8975] case 1074310915U: [L8978] case 1074310916U: [L9009] case 1074048775U: [L9080] default: [L9081] CALL vhost_set_vring(d, (int )ioctl, argp) [L8658] struct file *eventfp ; [L8659] struct file *filep ; [L8660] bool pollstart ; [L8661] bool pollstop ; [L8662] struct eventfd_ctx *ctx ; [L8663] u32 *idxp ; [L8664] struct vhost_virtqueue *vq ; [L8665] struct vhost_vring_state s ; [L8666] struct vhost_vring_file f ; [L8667] struct vhost_vring_addr a ; [L8668] u32 idx ; [L8669] long r ; [L8670] int __ret_gu ; [L8671] unsigned long __val_gu ; [L8672] unsigned long tmp ; [L8673] unsigned long tmp___0 ; [L8674] int tmp___1 ; [L8675] unsigned long tmp___2 ; [L8676] int tmp___3 ; [L8677] int tmp___4 ; [L8678] unsigned long tmp___5 ; [L8679] struct file *tmp___6 ; [L8680] long tmp___7 ; [L8681] struct file *tmp___8 ; [L8682] unsigned long tmp___9 ; [L8683] struct file *tmp___10 ; [L8684] long tmp___11 ; [L8685] struct eventfd_ctx *tmp___12 ; [L8686] unsigned long tmp___13 ; [L8687] struct file *tmp___14 ; [L8688] long tmp___15 ; [L8689] struct eventfd_ctx *tmp___16 ; [L8691] filep = 0 [L8692] pollstart = 0 [L8693] pollstop = 0 [L8694] ctx = 0 [L8695] idxp = (u32 *)argp VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, a={362:0}, argp={0:-2}, argp={0:-2}, ctx={0:0}, d={36893488147419103235:385}, d={36893488147419103235:385}, f={374:0}, filep={0:0}, idxp={0:-2}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8696] FCALL might_fault() VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, a={362:0}, argp={0:-2}, argp={0:-2}, ctx={0:0}, d={36893488147419103235:385}, d={36893488147419103235:385}, f={374:0}, filep={0:0}, idxp={0:-2}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8698] case 1UL: [L8701] case 2UL: [L8704] case 4UL: [L8715] idx = (unsigned int )__val_gu [L8716] r = (long )__ret_gu VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __ret_gu=375, __this_module={36893488147419103247:36893488147419103292}, __val_gu=4294967297, a={362:0}, argp={0:-2}, argp={0:-2}, ctx={0:0}, d={36893488147419103235:385}, d={36893488147419103235:385}, f={374:0}, filep={0:0}, idx=1, idxp={0:-2}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, r=375, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8717] COND FALSE !(r < 0L) [L8721] EXPR d->nvqs VAL [\old(ioctl)=-2147483648, \old(ldv_mutex_mutex)=1, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __ret_gu=375, __this_module={36893488147419103247:36893488147419103292}, __val_gu=4294967297, a={362:0}, argp={0:-2}, argp={0:-2}, ctx={0:0}, d={36893488147419103235:385}, d={36893488147419103235:385}, d->nvqs=8589934591, f={374:0}, filep={0:0}, idx=1, idxp={0:-2}, ioctl=-2147483648, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, pollstart=0, pollstop=0, r=375, s={373:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L8721] COND FALSE !((u32 )d->nvqs <= idx) [L8725] EXPR d->vqs [L8725] vq = d->vqs + (unsigned long )idx [L8726] CALL ldv_mutex_lock_14(& vq->mutex) [L13227] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103248:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14037] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, lock={36893488147419103248:0}, lock={36893488147419103248:0}, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L14039] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] [L13668] reach_error() VAL [\old(ldv_mutex_mutex)=2, \old(ldv_mutex_tcm_vhost_mutex)=1, \old(ldv_mutex_tv_tpg_mutex)=1, __this_module={36893488147419103247:36893488147419103292}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, ldv_mutex_tcm_vhost_mutex=1, ldv_mutex_tv_tpg_mutex=1, tcm_vhost_fabric_configfs={0:0}, tcm_vhost_list={354:0}, tcm_vhost_mutex={353:0}, tcm_vhost_ops={361:0}, tcm_vhost_tpg_attrs={358:0}, tcm_vhost_tpg_nexus={357:0}, tcm_vhost_workqueue={365:-364}, tcm_vhost_wwn_attrs={360:0}, tcm_vhost_wwn_version={359:0}, vhost_scsi_fops={355:0}, vhost_scsi_misc={356:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 115 procedures, 1965 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 168.1s, OverallIterations: 19, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 131.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 36 mSolverCounterUnknown, 33228 SdHoareTripleChecker+Valid, 117.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33007 mSDsluCounter, 119782 SdHoareTripleChecker+Invalid, 113.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70389 mSDsCounter, 421 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14871 IncrementalHoareTripleChecker+Invalid, 15328 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 421 mSolverCounterUnsat, 49393 mSDtfsCounter, 14871 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13655occurred in iteration=8, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 16.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 6664 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 4.9s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 761 NumberOfCodeBlocks, 761 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 662 ConstructedInterpolants, 0 QuantifiedInterpolants, 1366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-25 23:36:49,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --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 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 23:36:52,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:36:52,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:36:52,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:36:52,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:36:52,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:36:52,371 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:36:52,376 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:36:52,379 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:36:52,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:36:52,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:36:52,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:36:52,387 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:36:52,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:36:52,392 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:36:52,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:36:52,395 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:36:52,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:36:52,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:36:52,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:36:52,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:36:52,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:36:52,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:36:52,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:36:52,425 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:36:52,429 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:36:52,429 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:36:52,431 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:36:52,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:36:52,434 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:36:52,434 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:36:52,435 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:36:52,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:36:52,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:36:52,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:36:52,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:36:52,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:36:52,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:36:52,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:36:52,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:36:52,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:36:52,458 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-25 23:36:52,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:36:52,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:36:52,508 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:36:52,508 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:36:52,509 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:36:52,509 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:36:52,509 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:36:52,510 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:36:52,510 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:36:52,510 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:36:52,511 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:36:52,512 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:36:52,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:36:52,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:36:52,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:36:52,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:36:52,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:36:52,514 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 23:36:52,514 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 23:36:52,514 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 23:36:52,514 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:36:52,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:36:52,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:36:52,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:36:52,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 23:36:52,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:36:52,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:36:52,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:36:52,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:36:52,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:36:52,517 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-25 23:36:52,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 23:36:52,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:36:52,518 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:36:52,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 23:36:52,518 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d776a54fbebbd358d59ab0126298feae1e40360b6fb5e6158cd54ba5ef877f7 [2022-11-25 23:36:52,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:36:52,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:36:52,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:36:52,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:36:52,979 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:36:52,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-11-25 23:36:56,192 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:36:56,900 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:36:56,900 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-11-25 23:36:56,974 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data/14a170098/4c2f9aecb1b54934a15633faa94e44e5/FLAG72a4dea9c [2022-11-25 23:36:56,998 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/data/14a170098/4c2f9aecb1b54934a15633faa94e44e5 [2022-11-25 23:36:57,001 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:36:57,003 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:36:57,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:36:57,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:36:57,009 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:36:57,010 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95a3b95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:36:57, skipping insertion in model container [2022-11-25 23:36:57,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:36:57" (1/1) ... [2022-11-25 23:36:57,021 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:36:57,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:36:58,044 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 23:36:58,084 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:36:58,108 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:36:58,142 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:36:58,742 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:36:58,794 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:36:58,800 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:36:58,807 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:36:58,813 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:36:58,819 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:36:58,889 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-25 23:36:58,905 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:36:58,912 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:36:58,924 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:58,925 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:36:58,925 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:36:58,926 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:36:58,934 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:58,934 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:36:58,935 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:36:58,942 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:58,943 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:36:58,944 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:36:58,980 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:36:59,293 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:36:59,295 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:36:59,297 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:36:59,298 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:36:59,307 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:36:59,307 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:36:59,316 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:36:59,328 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:36:59,644 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:59,656 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:36:59,664 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:36:59,668 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:36:59,690 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:36:59,691 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:36:59,691 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:36:59,696 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:36:59,697 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:36:59,727 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-25 23:36:59,728 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:36:59,729 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:36:59,730 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:36:59,732 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:36:59,732 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:36:59,733 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-25 23:36:59,738 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,739 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,739 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,740 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,758 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:36:59,759 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:36:59,761 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:36:59,770 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-25 23:36:59,782 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-25 23:36:59,783 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:36:59,784 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:36:59,785 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:36:59,786 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:36:59,793 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:36:59,794 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:36:59,795 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:36:59,796 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:36:59,797 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:36:59,798 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:36:59,799 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:36:59,799 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:59,800 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:36:59,801 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:36:59,802 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,803 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:36:59,804 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:36:59,804 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:36:59,833 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:59,833 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:36:59,834 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:36:59,840 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:59,841 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:36:59,842 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:36:59,857 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,858 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,858 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:59,858 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:36:59,859 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:36:59,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:36:59,867 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:36:59,876 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:36:59,878 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:36:59,880 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:36:59,881 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:36:59,882 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:36:59,884 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:36:59,884 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:36:59,889 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:36:59,890 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:36:59,891 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:36:59,893 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:36:59,894 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:36:59,906 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:36:59,907 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-25 23:36:59,907 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:36:59,915 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,922 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:36:59,923 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,929 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:36:59,931 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,932 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:36:59,938 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:36:59,939 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:36:59,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,955 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,958 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,958 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,961 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,963 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,964 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,964 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-25 23:36:59,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,967 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,969 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,970 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,971 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,972 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,976 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,979 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:36:59,981 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,982 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,984 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,985 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:36:59,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,988 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,990 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,992 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,993 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,996 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:36:59,997 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:36:59,998 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,000 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,001 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,032 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,034 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,037 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,039 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,042 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:00,044 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,044 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,045 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:00,047 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,047 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,048 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:00,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,050 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,051 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,060 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,060 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,063 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:00,065 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,066 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,066 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,073 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:00,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,076 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,077 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:00,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,079 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,080 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,083 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,086 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,086 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:00,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,088 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,091 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,097 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:37:00,098 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:37:00,100 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:37:00,101 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:00,101 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:37:00,102 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,124 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:37:00,124 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-11-25 23:37:00,125 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-11-25 23:37:00,125 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,126 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:37:00,148 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:37:00,148 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-11-25 23:37:00,149 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-11-25 23:37:00,149 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,150 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:37:00,156 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:37:00,157 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-11-25 23:37:00,157 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-11-25 23:37:00,158 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,158 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:37:00,164 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:37:00,165 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-11-25 23:37:00,165 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-11-25 23:37:00,166 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,166 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:37:00,172 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,178 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,206 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-11-25 23:37:00,252 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:37:00,253 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:00,253 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,254 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,260 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:37:00,267 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,270 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,277 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,278 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,291 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:37:00,292 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:00,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,312 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-25 23:37:00,313 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,314 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:00,314 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,321 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-11-25 23:37:00,325 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-11-25 23:37:00,325 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:37:00,332 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,337 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,339 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,341 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,344 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,347 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,350 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,353 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,373 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:00,373 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:37:00,374 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:37:00,374 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 23:37:00,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,393 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,423 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,430 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:37:00,431 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,441 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,481 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:37:00,486 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:37:00,510 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-11-25 23:37:00,516 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-11-25 23:37:00,516 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,522 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,523 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-11-25 23:37:00,524 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,524 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-11-25 23:37:00,529 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,529 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-11-25 23:37:00,530 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,530 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-11-25 23:37:00,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,537 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,539 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,543 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-11-25 23:37:00,543 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,557 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 23:37:00,558 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,559 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:00,565 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,566 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:00,567 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,568 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:00,575 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,576 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,583 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:00,585 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,586 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:37:00,586 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-11-25 23:37:00,587 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,593 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:37:00,594 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-11-25 23:37:00,594 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,600 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,600 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:00,601 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:00,602 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:00,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,604 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,605 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,605 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,614 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:00,619 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:37:00,637 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,640 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-11-25 23:37:00,641 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,644 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-11-25 23:37:00,645 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:00,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,652 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-11-25 23:37:00,653 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:00,659 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:37:00,659 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:37:00,665 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:37:00,689 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,690 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,690 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:37:00,690 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,691 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,691 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,691 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,692 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,692 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,692 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,692 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,693 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,693 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,693 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,693 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,694 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,694 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,694 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,694 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,695 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,695 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,695 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,695 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,696 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,696 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,696 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,696 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,697 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,697 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,697 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,697 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,698 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,698 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,698 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,698 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,699 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,699 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,699 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,699 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,700 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:00,701 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,701 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,701 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,701 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,702 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,702 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,702 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,703 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,703 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,703 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:37:00,704 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,704 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,704 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,704 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,705 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,705 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,705 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,706 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,706 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,706 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,706 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,707 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,707 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,707 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,708 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,708 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,708 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,708 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,709 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,709 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,709 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,722 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,722 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,723 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,723 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,723 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,739 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,739 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,740 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,741 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,742 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,742 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,743 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,743 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,744 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,747 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,747 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,748 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,748 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,748 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,749 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,749 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,750 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,751 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,753 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,753 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,754 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,754 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,754 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,755 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,755 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,756 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,757 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,758 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,758 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,759 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,759 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:00,769 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:00,782 WARN L237 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_ebba7f6f-2659-41ed-947a-da2b99d27c12/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-11-25 23:37:01,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:37:01,056 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-25 23:37:01,153 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:37:01,295 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 23:37:01,296 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:37:01,296 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:37:01,297 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:37:01,300 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:37:01,301 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:37:01,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:37:01,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:37:01,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:37:01,302 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:37:01,304 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-25 23:37:01,304 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:37:01,304 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:37:01,305 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,305 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:37:01,305 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:37:01,306 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:01,306 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,306 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:37:01,307 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:01,307 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,308 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:37:01,308 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:01,309 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:37:01,316 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,316 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:37:01,317 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:37:01,317 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:37:01,318 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,318 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:37:01,318 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,319 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,323 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,324 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:37:01,325 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:37:01,327 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:37:01,328 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:37:01,329 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:01,329 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:37:01,330 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:37:01,331 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:37:01,333 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-25 23:37:01,334 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:37:01,335 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:37:01,335 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:37:01,336 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:01,336 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:01,337 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-25 23:37:01,337 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,338 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,338 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,338 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,342 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:37:01,343 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:37:01,344 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:37:01,346 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-25 23:37:01,348 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-25 23:37:01,348 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:37:01,349 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:37:01,349 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:37:01,350 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:37:01,353 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:01,354 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:01,354 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:01,355 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:01,356 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:01,356 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:01,357 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:01,357 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,357 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:01,358 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:01,358 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,359 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:37:01,359 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:37:01,359 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:37:01,364 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,364 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:01,365 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:01,366 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,366 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:01,366 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:01,370 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,370 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,371 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,371 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:01,371 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:01,372 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,373 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,379 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:01,380 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:01,381 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:37:01,382 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:01,383 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:37:01,384 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:01,385 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:01,388 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,389 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:01,390 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:37:01,391 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:01,392 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:01,394 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:37:01,395 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-25 23:37:01,395 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:01,397 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,399 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:01,423 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,424 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:01,425 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,425 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,427 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:01,427 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:01,432 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,433 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,438 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,439 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,440 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,440 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,441 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,442 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,442 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-25 23:37:01,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,445 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,447 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,449 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,451 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,454 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:01,455 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,456 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,457 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,457 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,458 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:01,459 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,460 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,461 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,463 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,464 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,465 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,466 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,466 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,468 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,468 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,471 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,473 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,474 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,478 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:01,478 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,479 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,480 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:01,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,481 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,481 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:01,482 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,483 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,484 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,487 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,488 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,490 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,491 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,492 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,492 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,494 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:01,495 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,496 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,497 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:01,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,498 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,499 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,502 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,502 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,504 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,508 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,510 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:01,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,511 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,514 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,514 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:37:01,515 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:37:01,516 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:37:01,518 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:01,518 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:37:01,518 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,522 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:37:01,523 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-11-25 23:37:01,523 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-11-25 23:37:01,523 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,524 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:37:01,525 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:37:01,526 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-11-25 23:37:01,526 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-11-25 23:37:01,526 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,527 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:37:01,528 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:37:01,528 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-11-25 23:37:01,528 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-11-25 23:37:01,529 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,529 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:37:01,530 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:37:01,530 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-11-25 23:37:01,531 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-11-25 23:37:01,531 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,531 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:37:01,532 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,533 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,534 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-11-25 23:37:01,536 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:37:01,536 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:01,537 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,537 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,539 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:37:01,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,545 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,546 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,547 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,549 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:37:01,550 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:01,555 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,555 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-25 23:37:01,556 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,557 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:01,557 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,559 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-11-25 23:37:01,560 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-11-25 23:37:01,560 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:37:01,562 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,599 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,601 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,602 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,603 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,604 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,605 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,606 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,625 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,626 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,627 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,628 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,630 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,631 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,633 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,649 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:01,649 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:37:01,650 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:37:01,650 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 23:37:01,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,653 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,660 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,676 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:37:01,678 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,680 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,685 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:37:01,686 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:37:01,690 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-11-25 23:37:01,704 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-11-25 23:37:01,704 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,706 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,706 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,707 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-11-25 23:37:01,707 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,707 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-11-25 23:37:01,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,709 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-11-25 23:37:01,709 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,710 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-11-25 23:37:01,711 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,713 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-11-25 23:37:01,714 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,716 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 23:37:01,729 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,730 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:01,733 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,750 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:01,752 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,752 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:01,753 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,754 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,756 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:01,757 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,758 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:37:01,758 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-11-25 23:37:01,760 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,761 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:37:01,762 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-11-25 23:37:01,762 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,763 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,764 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:01,764 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:01,765 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:01,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,766 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,766 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,772 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:01,772 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:37:01,775 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,776 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-11-25 23:37:01,777 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,781 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-11-25 23:37:01,782 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:01,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,784 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-11-25 23:37:01,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:01,786 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:37:01,787 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:37:01,787 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:37:01,788 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,789 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,789 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:37:01,790 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,790 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,790 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,791 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,791 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,791 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,791 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,792 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,792 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,792 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,793 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,793 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,793 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,793 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,794 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,794 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,794 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,795 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,795 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,795 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,795 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,796 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,796 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,796 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,796 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,797 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,797 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,797 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,798 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,798 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,798 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,798 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,799 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,799 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,799 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,800 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,800 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:01,801 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,801 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,801 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,802 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,802 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,802 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,803 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,803 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,803 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,804 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:37:01,804 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,805 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,805 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,805 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,806 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,806 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,806 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,806 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,807 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,807 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,807 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,808 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,808 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,808 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,808 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,809 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,809 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,809 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,810 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,810 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,810 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,810 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,811 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,811 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,811 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,812 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,812 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,812 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,812 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,813 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,813 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,813 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,814 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,814 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,814 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,815 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,815 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,816 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,817 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,817 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,817 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,817 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,819 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,819 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,820 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,820 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,820 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,821 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,821 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,821 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:01,822 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:01,822 WARN L237 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_ebba7f6f-2659-41ed-947a-da2b99d27c12/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-11-25 23:37:01,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:37:01,868 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:37:02,073 WARN L623 FunctionHandler]: Unknown extern function kstrtoull [2022-11-25 23:37:02,074 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-25 23:37:02,074 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-25 23:37:02,076 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:37:02,079 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-25 23:37:02,080 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 23:37:02,080 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-25 23:37:02,081 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 23:37:02,081 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-25 23:37:02,081 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-25 23:37:02,083 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-25 23:37:02,083 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-25 23:37:02,083 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-25 23:37:02,084 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,085 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:37:02,085 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-25 23:37:02,085 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:02,086 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,086 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:37:02,086 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:02,087 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,087 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-25 23:37:02,087 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:02,088 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:37:02,096 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,096 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:37:02,097 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-25 23:37:02,097 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 23:37:02,098 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,098 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-25 23:37:02,098 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,100 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,104 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,105 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-25 23:37:02,107 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:37:02,113 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-25 23:37:02,114 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:37:02,115 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:02,115 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:37:02,118 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-25 23:37:02,119 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:37:02,124 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-25 23:37:02,124 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-25 23:37:02,125 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:37:02,125 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-25 23:37:02,127 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:02,127 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:02,127 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-25 23:37:02,128 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,128 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,128 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,129 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,133 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:37:02,134 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:37:02,137 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:37:02,139 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-25 23:37:02,140 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-25 23:37:02,141 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-25 23:37:02,141 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-25 23:37:02,142 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:37:02,142 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:37:02,148 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:02,149 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:02,149 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:02,150 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:02,151 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:02,151 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:02,152 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:02,152 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,153 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:02,153 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:02,154 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,154 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-25 23:37:02,155 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-25 23:37:02,156 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-25 23:37:02,161 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,162 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:02,182 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:02,183 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,183 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:02,183 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:02,192 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,192 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,193 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,193 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-25 23:37:02,193 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:02,194 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,195 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,200 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:02,201 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:02,202 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:37:02,203 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:02,203 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:37:02,204 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:02,204 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:02,207 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,208 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-25 23:37:02,209 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-25 23:37:02,210 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-25 23:37:02,210 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-25 23:37:02,212 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:37:02,213 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-25 23:37:02,213 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:02,215 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,215 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:02,216 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,217 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:02,218 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,218 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,219 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 23:37:02,220 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 23:37:02,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,224 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,225 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,225 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,226 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,227 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,228 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,228 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,228 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-25 23:37:02,229 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,230 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,231 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,231 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,233 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,233 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,235 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,235 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,237 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:02,239 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,239 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,240 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,240 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,241 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:02,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,243 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,244 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,244 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,245 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,246 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,247 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,247 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,249 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,251 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,252 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,252 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,254 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,254 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,257 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:02,258 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,258 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,259 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:02,260 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,260 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,261 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-25 23:37:02,261 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,262 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,263 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,265 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,265 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,267 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,269 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,269 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,270 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,271 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:02,272 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,273 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,274 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-25 23:37:02,275 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,275 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,276 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,278 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,279 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,280 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,281 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,281 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-25 23:37:02,282 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,283 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,285 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,285 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,286 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-25 23:37:02,287 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-25 23:37:02,289 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-25 23:37:02,289 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-25 23:37:02,289 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-25 23:37:02,290 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,293 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:37:02,293 WARN L623 FunctionHandler]: Unknown extern function fc_get_fabric_proto_ident [2022-11-25 23:37:02,293 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_fabric_proto_ident [2022-11-25 23:37:02,294 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,294 WARN L623 FunctionHandler]: Unknown extern function sas_get_fabric_proto_ident [2022-11-25 23:37:02,295 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:37:02,296 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id [2022-11-25 23:37:02,296 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id [2022-11-25 23:37:02,296 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,297 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id [2022-11-25 23:37:02,298 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:37:02,298 WARN L623 FunctionHandler]: Unknown extern function fc_get_pr_transport_id_len [2022-11-25 23:37:02,298 WARN L623 FunctionHandler]: Unknown extern function iscsi_get_pr_transport_id_len [2022-11-25 23:37:02,299 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,299 WARN L623 FunctionHandler]: Unknown extern function sas_get_pr_transport_id_len [2022-11-25 23:37:02,300 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:37:02,300 WARN L623 FunctionHandler]: Unknown extern function fc_parse_pr_out_transport_id [2022-11-25 23:37:02,301 WARN L623 FunctionHandler]: Unknown extern function iscsi_parse_pr_out_transport_id [2022-11-25 23:37:02,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,301 WARN L623 FunctionHandler]: Unknown extern function sas_parse_pr_out_transport_id [2022-11-25 23:37:02,302 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,302 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,303 WARN L623 FunctionHandler]: Unknown extern function target_execute_cmd [2022-11-25 23:37:02,308 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:37:02,308 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:02,309 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,309 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,310 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:37:02,311 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,312 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,314 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,316 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-25 23:37:02,317 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:02,319 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,319 WARN L623 FunctionHandler]: Unknown extern function sg_init_table [2022-11-25 23:37:02,320 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,321 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-25 23:37:02,321 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,323 WARN L623 FunctionHandler]: Unknown extern function target_submit_cmd_map_sgls [2022-11-25 23:37:02,324 WARN L623 FunctionHandler]: Unknown extern function transport_send_check_condition_and_sense [2022-11-25 23:37:02,324 WARN L623 FunctionHandler]: Unknown extern function transport_generic_free_cmd [2022-11-25 23:37:02,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,329 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,329 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,331 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,332 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,332 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,335 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,337 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,342 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,344 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,345 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,346 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-25 23:37:02,347 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-11-25 23:37:02,347 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-11-25 23:37:02,348 WARN L623 FunctionHandler]: Unknown extern function queue_work [2022-11-25 23:37:02,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,351 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,402 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,404 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 23:37:02,405 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,406 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,411 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-25 23:37:02,412 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-25 23:37:02,415 WARN L623 FunctionHandler]: Unknown extern function core_tpg_add_initiator_node_acl [2022-11-25 23:37:02,416 WARN L623 FunctionHandler]: Unknown extern function core_tpg_del_initiator_node_acl [2022-11-25 23:37:02,417 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,419 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,419 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,420 WARN L623 FunctionHandler]: Unknown extern function transport_init_session [2022-11-25 23:37:02,420 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,420 WARN L623 FunctionHandler]: Unknown extern function core_tpg_check_initiator_node_acl [2022-11-25 23:37:02,422 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,422 WARN L623 FunctionHandler]: Unknown extern function transport_free_session [2022-11-25 23:37:02,422 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,422 WARN L623 FunctionHandler]: Unknown extern function __transport_register_session [2022-11-25 23:37:02,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,424 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,426 WARN L623 FunctionHandler]: Unknown extern function transport_deregister_session [2022-11-25 23:37:02,426 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,429 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-11-25 23:37:02,430 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,430 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:02,431 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,432 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:02,432 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,433 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:02,434 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,434 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,436 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:02,438 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,438 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-25 23:37:02,439 WARN L623 FunctionHandler]: Unknown extern function core_tpg_register [2022-11-25 23:37:02,439 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,440 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-11-25 23:37:02,440 WARN L623 FunctionHandler]: Unknown extern function core_tpg_deregister [2022-11-25 23:37:02,441 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,441 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,442 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:02,443 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:02,443 WARN L623 FunctionHandler]: Unknown extern function strstr [2022-11-25 23:37:02,444 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,444 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,445 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,445 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,448 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 23:37:02,449 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-11-25 23:37:02,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,452 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_init [2022-11-25 23:37:02,453 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,458 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_register [2022-11-25 23:37:02,459 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 23:37:02,460 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,461 WARN L623 FunctionHandler]: Unknown extern function target_fabric_configfs_deregister [2022-11-25 23:37:02,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-25 23:37:02,463 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-11-25 23:37:02,464 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:37:02,464 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-11-25 23:37:02,465 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,466 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,466 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-25 23:37:02,466 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,467 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,467 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,467 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,468 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,468 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,468 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,469 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,469 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,469 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,469 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,470 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,470 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,470 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,471 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,471 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,471 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,471 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,472 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,472 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,472 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,472 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,473 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,473 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,473 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,473 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,474 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,474 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,474 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,475 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,475 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,475 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,475 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,476 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,476 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,476 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,477 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-25 23:37:02,477 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,478 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,478 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,479 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,479 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,480 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,480 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,480 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-25 23:37:02,481 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,481 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,481 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,481 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,482 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,482 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,482 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,483 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,483 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,483 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,484 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,484 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,484 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,484 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,485 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,485 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,485 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,486 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,486 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,486 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,486 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,487 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,487 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,488 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,488 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,488 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,489 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,489 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,489 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,489 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,490 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,490 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,490 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,491 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,491 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,491 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,492 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,492 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,492 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,492 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,493 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,493 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,493 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,494 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,494 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,494 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,495 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,496 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,496 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,496 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,497 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,497 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,497 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,497 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-25 23:37:02,498 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-25 23:37:02,498 WARN L237 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_ebba7f6f-2659-41ed-947a-da2b99d27c12/sv-benchmarks/c/ldv-linux-3.7.3/main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i[462796,462809] [2022-11-25 23:37:02,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:37:02,665 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:37:02,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02 WrapperNode [2022-11-25 23:37:02,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:37:02,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:37:02,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:37:02,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:37:02,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:02,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,114 INFO L138 Inliner]: procedures = 460, calls = 3483, calls flagged for inlining = 227, calls inlined = 194, statements flattened = 7520 [2022-11-25 23:37:03,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:37:03,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:37:03,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:37:03,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:37:03,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,460 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:37:03,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:37:03,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:37:03,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:37:03,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (1/1) ... [2022-11-25 23:37:03,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:37:03,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:37:03,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:37:03,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:37:03,622 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-11-25 23:37:03,622 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-11-25 23:37:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-25 23:37:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-25 23:37:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 23:37:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 23:37:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 23:37:03,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 23:37:03,623 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-25 23:37:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_fabric_acl [2022-11-25 23:37:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_fabric_acl [2022-11-25 23:37:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 23:37:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 23:37:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_access_ok [2022-11-25 23:37:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_access_ok [2022-11-25 23:37:03,624 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_close_session [2022-11-25 23:37:03,624 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_close_session [2022-11-25 23:37:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-25 23:37:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-11-25 23:37:03,625 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-11-25 23:37:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 23:37:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-25 23:37:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-25 23:37:03,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-11-25 23:37:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tcm_vhost_mutex [2022-11-25 23:37:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-25 23:37:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-25 23:37:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-25 23:37:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-25 23:37:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-25 23:37:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-25 23:37:03,626 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-25 23:37:03,626 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-25 23:37:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-11-25 23:37:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-11-25 23:37:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tpg [2022-11-25 23:37:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tpg [2022-11-25 23:37:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 23:37:03,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 23:37:03,627 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-25 23:37:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-25 23:37:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-25 23:37:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-25 23:37:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-11-25 23:37:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-11-25 23:37:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-25 23:37:03,628 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-25 23:37:03,628 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 23:37:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 23:37:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-25 23:37:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-25 23:37:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-11-25 23:37:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-11-25 23:37:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-25 23:37:03,629 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-25 23:37:03,629 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-25 23:37:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_complete_cmd [2022-11-25 23:37:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_complete_cmd [2022-11-25 23:37:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-25 23:37:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-25 23:37:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-25 23:37:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-25 23:37:03,630 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-11-25 23:37:03,630 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-11-25 23:37:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-25 23:37:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-25 23:37:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-25 23:37:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-25 23:37:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id [2022-11-25 23:37:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id [2022-11-25 23:37:03,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-11-25 23:37:03,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tv_tpg_mutex [2022-11-25 23:37:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 23:37:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:37:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 23:37:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-25 23:37:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-25 23:37:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-25 23:37:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-25 23:37:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-25 23:37:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:37:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-25 23:37:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-25 23:37:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-25 23:37:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-25 23:37:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-11-25 23:37:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-11-25 23:37:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-11-25 23:37:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-11-25 23:37:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-25 23:37:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-25 23:37:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-11-25 23:37:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-11-25 23:37:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-25 23:37:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-25 23:37:03,634 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-25 23:37:03,634 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-25 23:37:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-25 23:37:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-25 23:37:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-11-25 23:37:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-11-25 23:37:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-25 23:37:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-25 23:37:03,635 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_alloc_fabric_acl [2022-11-25 23:37:03,635 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_alloc_fabric_acl [2022-11-25 23:37:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-25 23:37:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-11-25 23:37:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tcm_vhost_mutex [2022-11-25 23:37:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_ioctl [2022-11-25 23:37:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_ioctl [2022-11-25 23:37:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-25 23:37:03,636 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-25 23:37:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:37:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:37:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_tport [2022-11-25 23:37:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_tport [2022-11-25 23:37:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 23:37:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 23:37:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-25 23:37:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-25 23:37:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-25 23:37:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-11-25 23:37:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-11-25 23:37:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-25 23:37:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-25 23:37:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-25 23:37:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-25 23:37:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-11-25 23:37:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-11-25 23:37:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-25 23:37:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-11-25 23:37:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-11-25 23:37:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-25 23:37:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-25 23:37:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-11-25 23:37:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-11-25 23:37:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-11-25 23:37:03,639 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-11-25 23:37:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-11-25 23:37:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-11-25 23:37:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-25 23:37:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-25 23:37:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-25 23:37:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-25 23:37:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 23:37:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 23:37:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-11-25 23:37:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-11-25 23:37:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-25 23:37:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-25 23:37:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-25 23:37:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-25 23:37:03,641 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-11-25 23:37:03,641 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-11-25 23:37:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 23:37:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-25 23:37:03,642 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-25 23:37:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-11-25 23:37:03,642 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-11-25 23:37:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 23:37:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-25 23:37:03,642 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-25 23:37:03,642 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_release_cmd [2022-11-25 23:37:03,643 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_release_cmd [2022-11-25 23:37:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_set_default_node_attrs [2022-11-25 23:37:03,643 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_set_default_node_attrs [2022-11-25 23:37:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nexus [2022-11-25 23:37:03,643 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nexus [2022-11-25 23:37:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-25 23:37:03,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-25 23:37:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-25 23:37:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-25 23:37:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 23:37:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-11-25 23:37:03,644 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-11-25 23:37:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-25 23:37:03,644 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-25 23:37:03,644 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tv_tpg_mutex [2022-11-25 23:37:03,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tv_tpg_mutex [2022-11-25 23:37:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-25 23:37:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-25 23:37:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-25 23:37:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-25 23:37:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_fabric_proto_ident [2022-11-25 23:37:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_fabric_proto_ident [2022-11-25 23:37:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-25 23:37:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-25 23:37:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_user_pages_fast [2022-11-25 23:37:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_user_pages_fast [2022-11-25 23:37:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure transport_generic_free_cmd [2022-11-25 23:37:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure transport_generic_free_cmd [2022-11-25 23:37:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_deregister [2022-11-25 23:37:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_deregister [2022-11-25 23:37:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-25 23:37:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-25 23:37:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-11-25 23:37:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-11-25 23:37:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_command_size [2022-11-25 23:37:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_command_size [2022-11-25 23:37:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_dump_proto_id [2022-11-25 23:37:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_dump_proto_id [2022-11-25 23:37:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-11-25 23:37:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-11-25 23:37:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 23:37:03,648 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 23:37:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-11-25 23:37:03,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-11-25 23:37:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-25 23:37:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-25 23:37:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_clear_endpoint [2022-11-25 23:37:03,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_clear_endpoint [2022-11-25 23:37:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-25 23:37:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-25 23:37:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-11-25 23:37:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-11-25 23:37:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-25 23:37:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-25 23:37:03,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 23:37:03,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 23:37:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_scsi_flush_vq [2022-11-25 23:37:03,650 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_scsi_flush_vq [2022-11-25 23:37:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-25 23:37:03,650 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-25 23:37:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-25 23:37:03,650 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-25 23:37:03,650 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-25 23:37:03,650 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-25 23:37:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure sas_parse_pr_out_transport_id [2022-11-25 23:37:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_parse_pr_out_transport_id [2022-11-25 23:37:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-25 23:37:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-25 23:37:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure utsname [2022-11-25 23:37:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure utsname [2022-11-25 23:37:03,651 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-11-25 23:37:03,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-11-25 23:37:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-25 23:37:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-25 23:37:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-11-25 23:37:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-11-25 23:37:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-25 23:37:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-25 23:37:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used [2022-11-25 23:37:03,652 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used [2022-11-25 23:37:03,652 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-25 23:37:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-25 23:37:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-25 23:37:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-25 23:37:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-25 23:37:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-25 23:37:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure tcm_vhost_drop_nodeacl [2022-11-25 23:37:03,653 INFO L138 BoogieDeclarations]: Found implementation of procedure tcm_vhost_drop_nodeacl [2022-11-25 23:37:03,653 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-11-25 23:37:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-11-25 23:37:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-11-25 23:37:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-11-25 23:37:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure sas_get_pr_transport_id_len [2022-11-25 23:37:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure sas_get_pr_transport_id_len [2022-11-25 23:37:04,839 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:37:04,843 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:37:50,199 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume #t~switch208;#res := ~ret~1; [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7455: assume !#t~switch208;#t~switch208 := #t~switch208 || 4bv32 == ~size; [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume 0bv64 != ~tmp___1~4;#res := ~ret~1; [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7488: assume !(0bv64 != ~tmp___1~4);#res := ~ret~1; [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7449: havoc #t~switch208; [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474: SUMMARY for call #t~ret209 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != ~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume #t~switch208; [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7470: assume !#t~switch208;#t~switch208 := #t~switch208 || 16bv32 == ~size; [2022-11-25 23:37:50,200 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7474-1: ~tmp___0~9 := #t~ret209;havoc #t~ret209; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume #t~switch208;#res := ~ret~1; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497-1: ~tmp___2~3 := #t~ret211;havoc #t~ret211;#res := ~tmp___2~3[32:0]; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497: SUMMARY for call #t~ret211 := copy_user_generic(~dst.base, ~dst.offset, ~src.base, ~src.offset, ~size); srcloc: null [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !#t~switch208;#t~switch208 := #t~switch208 || 2bv32 == ~size; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume #t~switch208;#res := ~ret~1; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7460: assume !#t~switch208;#t~switch208 := #t~switch208 || 8bv32 == ~size; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487-1: ~tmp___1~4 := #t~ret210;havoc #t~ret210; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7487: SUMMARY for call #t~ret210 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != ~ret~1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume #t~switch208; [2022-11-25 23:37:50,201 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7483: assume !#t~switch208;#t~switch208 := true; [2022-11-25 23:37:50,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume 0bv64 != ~tmp___0~9;#res := ~ret~1; [2022-11-25 23:37:50,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7475: assume !(0bv64 != ~tmp___0~9);#res := ~ret~1; [2022-11-25 23:37:50,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume #t~switch208; [2022-11-25 23:37:50,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7496: assume !#t~switch208; [2022-11-25 23:37:50,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume #t~switch208;#res := ~ret~1; [2022-11-25 23:37:50,202 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L7465: assume !#t~switch208;#t~switch208 := #t~switch208 || 10bv32 == ~size; [2022-11-25 23:38:07,409 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:38:07,429 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:38:07,430 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 23:38:07,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:38:07 BoogieIcfgContainer [2022-11-25 23:38:07,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:38:07,437 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:38:07,437 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:38:07,440 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:38:07,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:36:57" (1/3) ... [2022-11-25 23:38:07,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329d5746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:38:07, skipping insertion in model container [2022-11-25 23:38:07,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:37:02" (2/3) ... [2022-11-25 23:38:07,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329d5746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:38:07, skipping insertion in model container [2022-11-25 23:38:07,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:38:07" (3/3) ... [2022-11-25 23:38:07,443 INFO L112 eAbstractionObserver]: Analyzing ICFG main0_drivers-vhost-tcm_vhost-ko--32_7a--linux-3.7.3.i [2022-11-25 23:38:07,460 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:38:07,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 23:38:07,562 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:38:07,568 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=LoopsAndPotentialCycles, 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;@723cbd0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:38:07,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 23:38:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand has 2398 states, 1657 states have (on average 1.3470126735063368) internal successors, (2232), 1707 states have internal predecessors, (2232), 628 states have call successors, (628), 111 states have call predecessors, (628), 111 states have return successors, (628), 616 states have call predecessors, (628), 628 states have call successors, (628) [2022-11-25 23:38:07,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-25 23:38:07,597 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:07,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:07,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:07,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:07,606 INFO L85 PathProgramCache]: Analyzing trace with hash -278348879, now seen corresponding path program 1 times [2022-11-25 23:38:07,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:07,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650682159] [2022-11-25 23:38:07,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:07,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:07,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:07,635 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:07,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 23:38:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:08,833 INFO L263 TraceCheckSpWp]: Trace formula consists of 1154 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:38:08,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:08,994 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:08,994 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:08,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650682159] [2022-11-25 23:38:08,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1650682159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:08,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:08,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:08,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843673137] [2022-11-25 23:38:08,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:09,001 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:09,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:09,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:09,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:09,040 INFO L87 Difference]: Start difference. First operand has 2398 states, 1657 states have (on average 1.3470126735063368) internal successors, (2232), 1707 states have internal predecessors, (2232), 628 states have call successors, (628), 111 states have call predecessors, (628), 111 states have return successors, (628), 616 states have call predecessors, (628), 628 states have call successors, (628) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:09,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:09,628 INFO L93 Difference]: Finished difference Result 4770 states and 7034 transitions. [2022-11-25 23:38:09,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:09,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-25 23:38:09,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:09,672 INFO L225 Difference]: With dead ends: 4770 [2022-11-25 23:38:09,672 INFO L226 Difference]: Without dead ends: 2382 [2022-11-25 23:38:09,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:09,694 INFO L413 NwaCegarLoop]: 3470 mSDtfsCounter, 3459 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3459 SdHoareTripleChecker+Valid, 3470 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:09,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3459 Valid, 3470 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:38:09,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2022-11-25 23:38:09,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2382. [2022-11-25 23:38:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2382 states, 1644 states have (on average 1.3418491484184916) internal successors, (2206), 1691 states have internal predecessors, (2206), 627 states have call successors, (627), 111 states have call predecessors, (627), 110 states have return successors, (616), 604 states have call predecessors, (616), 616 states have call successors, (616) [2022-11-25 23:38:09,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2382 states to 2382 states and 3449 transitions. [2022-11-25 23:38:09,976 INFO L78 Accepts]: Start accepts. Automaton has 2382 states and 3449 transitions. Word has length 15 [2022-11-25 23:38:09,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:09,978 INFO L495 AbstractCegarLoop]: Abstraction has 2382 states and 3449 transitions. [2022-11-25 23:38:09,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 2382 states and 3449 transitions. [2022-11-25 23:38:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-25 23:38:09,980 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:09,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:10,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:10,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:10,203 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:10,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:10,204 INFO L85 PathProgramCache]: Analyzing trace with hash -40005205, now seen corresponding path program 1 times [2022-11-25 23:38:10,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:10,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048181071] [2022-11-25 23:38:10,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:10,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:10,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:10,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:10,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 23:38:11,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:11,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 1155 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:38:11,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:11,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:11,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:11,495 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:11,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048181071] [2022-11-25 23:38:11,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048181071] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:11,495 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:11,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:11,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950939248] [2022-11-25 23:38:11,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:11,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:11,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:11,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:11,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:11,499 INFO L87 Difference]: Start difference. First operand 2382 states and 3449 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:11,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:11,799 INFO L93 Difference]: Finished difference Result 2384 states and 3450 transitions. [2022-11-25 23:38:11,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:11,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-25 23:38:11,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:11,814 INFO L225 Difference]: With dead ends: 2384 [2022-11-25 23:38:11,814 INFO L226 Difference]: Without dead ends: 2381 [2022-11-25 23:38:11,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:11,818 INFO L413 NwaCegarLoop]: 3446 mSDtfsCounter, 3434 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3434 SdHoareTripleChecker+Valid, 3446 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:11,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3434 Valid, 3446 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:38:11,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2381 states. [2022-11-25 23:38:11,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2381 to 2381. [2022-11-25 23:38:11,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2381 states, 1644 states have (on average 1.3412408759124088) internal successors, (2205), 1690 states have internal predecessors, (2205), 626 states have call successors, (626), 111 states have call predecessors, (626), 110 states have return successors, (616), 604 states have call predecessors, (616), 616 states have call successors, (616) [2022-11-25 23:38:12,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 2381 states and 3447 transitions. [2022-11-25 23:38:12,009 INFO L78 Accepts]: Start accepts. Automaton has 2381 states and 3447 transitions. Word has length 16 [2022-11-25 23:38:12,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:12,010 INFO L495 AbstractCegarLoop]: Abstraction has 2381 states and 3447 transitions. [2022-11-25 23:38:12,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2381 states and 3447 transitions. [2022-11-25 23:38:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-25 23:38:12,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:12,011 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:12,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:12,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:12,234 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:12,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:12,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1241281036, now seen corresponding path program 1 times [2022-11-25 23:38:12,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:12,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [63897930] [2022-11-25 23:38:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:12,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:12,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:12,239 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:12,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 23:38:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:13,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 1156 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:38:13,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:13,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:13,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:13,454 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:13,454 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [63897930] [2022-11-25 23:38:13,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [63897930] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:13,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:13,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:13,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132363173] [2022-11-25 23:38:13,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:13,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:13,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:13,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:13,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:13,457 INFO L87 Difference]: Start difference. First operand 2381 states and 3447 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:13,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:13,769 INFO L93 Difference]: Finished difference Result 2383 states and 3448 transitions. [2022-11-25 23:38:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:13,769 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2022-11-25 23:38:13,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:13,783 INFO L225 Difference]: With dead ends: 2383 [2022-11-25 23:38:13,783 INFO L226 Difference]: Without dead ends: 2380 [2022-11-25 23:38:13,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:13,786 INFO L413 NwaCegarLoop]: 3444 mSDtfsCounter, 3431 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 3444 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:13,787 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 3444 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:38:13,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2022-11-25 23:38:13,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2380. [2022-11-25 23:38:13,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2380 states, 1644 states have (on average 1.340632603406326) internal successors, (2204), 1689 states have internal predecessors, (2204), 625 states have call successors, (625), 111 states have call predecessors, (625), 110 states have return successors, (616), 604 states have call predecessors, (616), 616 states have call successors, (616) [2022-11-25 23:38:13,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2380 states to 2380 states and 3445 transitions. [2022-11-25 23:38:13,977 INFO L78 Accepts]: Start accepts. Automaton has 2380 states and 3445 transitions. Word has length 17 [2022-11-25 23:38:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:13,977 INFO L495 AbstractCegarLoop]: Abstraction has 2380 states and 3445 transitions. [2022-11-25 23:38:13,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3445 transitions. [2022-11-25 23:38:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-25 23:38:13,978 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:13,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:14,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:14,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:14,202 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:14,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:14,203 INFO L85 PathProgramCache]: Analyzing trace with hash 173878734, now seen corresponding path program 1 times [2022-11-25 23:38:14,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:14,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [117960660] [2022-11-25 23:38:14,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:14,204 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:14,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:14,205 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:14,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-25 23:38:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:15,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 1157 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:38:15,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:15,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:15,374 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:15,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [117960660] [2022-11-25 23:38:15,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [117960660] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:15,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:15,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:15,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330937265] [2022-11-25 23:38:15,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:15,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:15,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:15,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:15,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:15,376 INFO L87 Difference]: Start difference. First operand 2380 states and 3445 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:15,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:15,899 INFO L93 Difference]: Finished difference Result 5057 states and 7217 transitions. [2022-11-25 23:38:15,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:15,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-25 23:38:15,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:15,915 INFO L225 Difference]: With dead ends: 5057 [2022-11-25 23:38:15,915 INFO L226 Difference]: Without dead ends: 2721 [2022-11-25 23:38:15,926 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:15,928 INFO L413 NwaCegarLoop]: 3586 mSDtfsCounter, 1870 mSDsluCounter, 1935 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 5521 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:15,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 5521 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:38:15,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-11-25 23:38:16,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2718. [2022-11-25 23:38:16,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 1870 states have (on average 1.3160427807486632) internal successors, (2461), 1922 states have internal predecessors, (2461), 686 states have call successors, (686), 163 states have call predecessors, (686), 161 states have return successors, (677), 662 states have call predecessors, (677), 675 states have call successors, (677) [2022-11-25 23:38:16,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3824 transitions. [2022-11-25 23:38:16,177 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3824 transitions. Word has length 18 [2022-11-25 23:38:16,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:16,177 INFO L495 AbstractCegarLoop]: Abstraction has 2718 states and 3824 transitions. [2022-11-25 23:38:16,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:16,178 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3824 transitions. [2022-11-25 23:38:16,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-25 23:38:16,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:16,181 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:16,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:16,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:16,394 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:16,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:16,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1094163511, now seen corresponding path program 1 times [2022-11-25 23:38:16,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:16,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1534365279] [2022-11-25 23:38:16,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:16,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:16,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:16,400 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:16,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-25 23:38:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:17,425 INFO L263 TraceCheckSpWp]: Trace formula consists of 1158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:38:17,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:17,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:17,589 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:17,589 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:17,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1534365279] [2022-11-25 23:38:17,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1534365279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:17,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:17,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:17,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81059892] [2022-11-25 23:38:17,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:17,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:17,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:17,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:17,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:17,592 INFO L87 Difference]: Start difference. First operand 2718 states and 3824 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:18,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:18,020 INFO L93 Difference]: Finished difference Result 2747 states and 3847 transitions. [2022-11-25 23:38:18,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:18,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-25 23:38:18,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:18,041 INFO L225 Difference]: With dead ends: 2747 [2022-11-25 23:38:18,042 INFO L226 Difference]: Without dead ends: 2743 [2022-11-25 23:38:18,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:18,045 INFO L413 NwaCegarLoop]: 3439 mSDtfsCounter, 3357 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3357 SdHoareTripleChecker+Valid, 3523 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:18,045 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3357 Valid, 3523 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:38:18,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2743 states. [2022-11-25 23:38:18,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2743 to 2739. [2022-11-25 23:38:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2739 states, 1887 states have (on average 1.3131955484896662) internal successors, (2478), 1937 states have internal predecessors, (2478), 684 states have call successors, (684), 169 states have call predecessors, (684), 167 states have return successors, (677), 662 states have call predecessors, (677), 675 states have call successors, (677) [2022-11-25 23:38:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2739 states and 3839 transitions. [2022-11-25 23:38:18,349 INFO L78 Accepts]: Start accepts. Automaton has 2739 states and 3839 transitions. Word has length 19 [2022-11-25 23:38:18,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:18,349 INFO L495 AbstractCegarLoop]: Abstraction has 2739 states and 3839 transitions. [2022-11-25 23:38:18,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:18,350 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3839 transitions. [2022-11-25 23:38:18,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:38:18,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:18,355 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:38:18,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:18,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:18,571 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:18,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:18,571 INFO L85 PathProgramCache]: Analyzing trace with hash -441774607, now seen corresponding path program 1 times [2022-11-25 23:38:18,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:18,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823958705] [2022-11-25 23:38:18,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:18,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:18,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:18,575 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:18,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-25 23:38:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:19,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 1159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:38:19,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:19,791 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:19,792 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:19,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823958705] [2022-11-25 23:38:19,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1823958705] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:19,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:19,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:38:19,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375757971] [2022-11-25 23:38:19,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:19,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:38:19,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:19,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:38:19,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:19,794 INFO L87 Difference]: Start difference. First operand 2739 states and 3839 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:20,200 INFO L93 Difference]: Finished difference Result 2758 states and 3857 transitions. [2022-11-25 23:38:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:38:20,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2022-11-25 23:38:20,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:20,216 INFO L225 Difference]: With dead ends: 2758 [2022-11-25 23:38:20,216 INFO L226 Difference]: Without dead ends: 2734 [2022-11-25 23:38:20,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:38:20,220 INFO L413 NwaCegarLoop]: 3437 mSDtfsCounter, 3353 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3353 SdHoareTripleChecker+Valid, 3515 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:20,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3353 Valid, 3515 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:38:20,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2734 states. [2022-11-25 23:38:20,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2734 to 2732. [2022-11-25 23:38:20,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2732 states, 1883 states have (on average 1.312267657992565) internal successors, (2471), 1931 states have internal predecessors, (2471), 678 states have call successors, (678), 172 states have call predecessors, (678), 170 states have return successors, (673), 658 states have call predecessors, (673), 671 states have call successors, (673) [2022-11-25 23:38:20,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 3822 transitions. [2022-11-25 23:38:20,588 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 3822 transitions. Word has length 20 [2022-11-25 23:38:20,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:20,588 INFO L495 AbstractCegarLoop]: Abstraction has 2732 states and 3822 transitions. [2022-11-25 23:38:20,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:38:20,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3822 transitions. [2022-11-25 23:38:20,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-25 23:38:20,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:20,593 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:38:20,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:20,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:20,808 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:20,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:20,809 INFO L85 PathProgramCache]: Analyzing trace with hash 1812242393, now seen corresponding path program 1 times [2022-11-25 23:38:20,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:20,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [494865825] [2022-11-25 23:38:20,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:20,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:20,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:20,812 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:20,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-25 23:38:21,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:21,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 1336 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:38:21,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:22,083 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:22,083 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:22,083 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:22,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [494865825] [2022-11-25 23:38:22,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [494865825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:22,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:22,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:38:22,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455735166] [2022-11-25 23:38:22,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:22,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:38:22,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:22,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:38:22,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:38:22,086 INFO L87 Difference]: Start difference. First operand 2732 states and 3822 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:38:22,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:22,761 INFO L93 Difference]: Finished difference Result 5413 states and 7579 transitions. [2022-11-25 23:38:22,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:38:22,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2022-11-25 23:38:22,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:22,776 INFO L225 Difference]: With dead ends: 5413 [2022-11-25 23:38:22,777 INFO L226 Difference]: Without dead ends: 2732 [2022-11-25 23:38:22,786 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:38:22,787 INFO L413 NwaCegarLoop]: 3405 mSDtfsCounter, 5 mSDsluCounter, 10202 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 13607 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:22,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 13607 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-25 23:38:22,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2732 states. [2022-11-25 23:38:23,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2732 to 2732. [2022-11-25 23:38:23,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2732 states, 1883 states have (on average 1.3117365905469995) internal successors, (2470), 1930 states have internal predecessors, (2470), 678 states have call successors, (678), 172 states have call predecessors, (678), 170 states have return successors, (673), 658 states have call predecessors, (673), 671 states have call successors, (673) [2022-11-25 23:38:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 2732 states and 3821 transitions. [2022-11-25 23:38:23,155 INFO L78 Accepts]: Start accepts. Automaton has 2732 states and 3821 transitions. Word has length 53 [2022-11-25 23:38:23,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:23,157 INFO L495 AbstractCegarLoop]: Abstraction has 2732 states and 3821 transitions. [2022-11-25 23:38:23,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:38:23,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2732 states and 3821 transitions. [2022-11-25 23:38:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-25 23:38:23,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:23,162 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-25 23:38:23,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:23,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:23,388 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:23,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:23,389 INFO L85 PathProgramCache]: Analyzing trace with hash 757979743, now seen corresponding path program 1 times [2022-11-25 23:38:23,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:23,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1370057585] [2022-11-25 23:38:23,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:23,390 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:23,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:23,391 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:23,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-25 23:38:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:24,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:38:24,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:24,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:38:24,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:24,641 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:24,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1370057585] [2022-11-25 23:38:24,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1370057585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:24,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:24,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:38:24,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826583190] [2022-11-25 23:38:24,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:24,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:38:24,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:24,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:38:24,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:38:24,644 INFO L87 Difference]: Start difference. First operand 2732 states and 3821 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 23:38:25,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:25,475 INFO L93 Difference]: Finished difference Result 5412 states and 7577 transitions. [2022-11-25 23:38:25,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:38:25,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-11-25 23:38:25,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:25,493 INFO L225 Difference]: With dead ends: 5412 [2022-11-25 23:38:25,493 INFO L226 Difference]: Without dead ends: 2721 [2022-11-25 23:38:25,506 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:38:25,506 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 6 mSDsluCounter, 10197 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 13601 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:25,507 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 13601 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-25 23:38:25,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-11-25 23:38:25,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2721. [2022-11-25 23:38:25,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2721 states, 1876 states have (on average 1.3118336886993602) internal successors, (2461), 1923 states have internal predecessors, (2461), 676 states have call successors, (676), 170 states have call predecessors, (676), 168 states have return successors, (671), 656 states have call predecessors, (671), 669 states have call successors, (671) [2022-11-25 23:38:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3808 transitions. [2022-11-25 23:38:25,822 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3808 transitions. Word has length 60 [2022-11-25 23:38:25,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:25,823 INFO L495 AbstractCegarLoop]: Abstraction has 2721 states and 3808 transitions. [2022-11-25 23:38:25,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-11-25 23:38:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3808 transitions. [2022-11-25 23:38:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 23:38:25,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:25,828 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-11-25 23:38:25,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:26,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:26,051 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:26,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:26,052 INFO L85 PathProgramCache]: Analyzing trace with hash -469998475, now seen corresponding path program 1 times [2022-11-25 23:38:26,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:26,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615380979] [2022-11-25 23:38:26,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:26,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:26,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:26,054 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:26,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-25 23:38:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:27,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 1732 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:38:27,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 23:38:27,601 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:27,601 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:27,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615380979] [2022-11-25 23:38:27,601 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1615380979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:27,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:27,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:38:27,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053167258] [2022-11-25 23:38:27,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:27,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:38:27,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:27,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:38:27,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:38:27,603 INFO L87 Difference]: Start difference. First operand 2721 states and 3808 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:38:28,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:28,332 INFO L93 Difference]: Finished difference Result 5403 states and 7566 transitions. [2022-11-25 23:38:28,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:38:28,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 84 [2022-11-25 23:38:28,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:28,353 INFO L225 Difference]: With dead ends: 5403 [2022-11-25 23:38:28,354 INFO L226 Difference]: Without dead ends: 2721 [2022-11-25 23:38:28,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:38:28,365 INFO L413 NwaCegarLoop]: 3392 mSDtfsCounter, 3 mSDsluCounter, 6774 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 10166 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:28,366 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 10166 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 23:38:28,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2721 states. [2022-11-25 23:38:28,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2721 to 2721. [2022-11-25 23:38:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2721 states, 1876 states have (on average 1.3113006396588487) internal successors, (2460), 1923 states have internal predecessors, (2460), 676 states have call successors, (676), 170 states have call predecessors, (676), 168 states have return successors, (671), 656 states have call predecessors, (671), 669 states have call successors, (671) [2022-11-25 23:38:28,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 2721 states and 3807 transitions. [2022-11-25 23:38:28,651 INFO L78 Accepts]: Start accepts. Automaton has 2721 states and 3807 transitions. Word has length 84 [2022-11-25 23:38:28,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:28,652 INFO L495 AbstractCegarLoop]: Abstraction has 2721 states and 3807 transitions. [2022-11-25 23:38:28,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-25 23:38:28,652 INFO L276 IsEmpty]: Start isEmpty. Operand 2721 states and 3807 transitions. [2022-11-25 23:38:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-25 23:38:28,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:28,655 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1] [2022-11-25 23:38:28,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:28,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:28,879 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:28,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:28,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1101080532, now seen corresponding path program 1 times [2022-11-25 23:38:28,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:28,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919023343] [2022-11-25 23:38:28,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:28,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:28,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:28,883 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:28,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-25 23:38:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:30,144 INFO L263 TraceCheckSpWp]: Trace formula consists of 1461 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-25 23:38:30,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:31,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:38:31,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:31,542 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:31,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919023343] [2022-11-25 23:38:31,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919023343] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:31,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:31,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-25 23:38:31,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498285672] [2022-11-25 23:38:31,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:31,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 23:38:31,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:31,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 23:38:31,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-25 23:38:31,545 INFO L87 Difference]: Start difference. First operand 2721 states and 3807 transitions. Second operand has 12 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-25 23:38:35,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:38:44,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:38:44,319 INFO L93 Difference]: Finished difference Result 5417 states and 7589 transitions. [2022-11-25 23:38:44,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-25 23:38:44,320 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) Word has length 84 [2022-11-25 23:38:44,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:38:44,336 INFO L225 Difference]: With dead ends: 5417 [2022-11-25 23:38:44,336 INFO L226 Difference]: Without dead ends: 2730 [2022-11-25 23:38:44,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2022-11-25 23:38:44,347 INFO L413 NwaCegarLoop]: 3268 mSDtfsCounter, 5 mSDsluCounter, 32505 mSDsCounter, 0 mSdLazyCounter, 1526 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 35773 SdHoareTripleChecker+Invalid, 1529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1526 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2022-11-25 23:38:44,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 35773 Invalid, 1529 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1526 Invalid, 1 Unknown, 0 Unchecked, 11.6s Time] [2022-11-25 23:38:44,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2730 states. [2022-11-25 23:38:44,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2730 to 2728. [2022-11-25 23:38:44,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2728 states, 1881 states have (on average 1.3104731525784157) internal successors, (2465), 1928 states have internal predecessors, (2465), 677 states have call successors, (677), 170 states have call predecessors, (677), 169 states have return successors, (678), 658 states have call predecessors, (678), 670 states have call successors, (678) [2022-11-25 23:38:44,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2728 states and 3820 transitions. [2022-11-25 23:38:44,679 INFO L78 Accepts]: Start accepts. Automaton has 2728 states and 3820 transitions. Word has length 84 [2022-11-25 23:38:44,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:38:44,682 INFO L495 AbstractCegarLoop]: Abstraction has 2728 states and 3820 transitions. [2022-11-25 23:38:44,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (12), 2 states have call predecessors, (12), 5 states have return successors, (9), 5 states have call predecessors, (9), 4 states have call successors, (9) [2022-11-25 23:38:44,683 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3820 transitions. [2022-11-25 23:38:44,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-25 23:38:44,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:38:44,686 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2022-11-25 23:38:44,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-25 23:38:44,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:44,907 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:38:44,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:38:44,908 INFO L85 PathProgramCache]: Analyzing trace with hash -239195696, now seen corresponding path program 1 times [2022-11-25 23:38:44,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:38:44,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079698145] [2022-11-25 23:38:44,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:38:44,909 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:38:44,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:38:44,910 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:38:44,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-25 23:38:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:38:46,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 41 conjunts are in the unsatisfiable core [2022-11-25 23:38:46,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:38:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-25 23:38:50,269 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:38:50,269 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:38:50,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079698145] [2022-11-25 23:38:50,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079698145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:38:50,269 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:38:50,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-11-25 23:38:50,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206828952] [2022-11-25 23:38:50,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:38:50,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-25 23:38:50,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:38:50,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-25 23:38:50,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2022-11-25 23:38:50,272 INFO L87 Difference]: Start difference. First operand 2728 states and 3820 transitions. Second operand has 20 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 16 states have internal predecessors, (66), 5 states have call successors, (12), 2 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2022-11-25 23:38:56,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-25 23:39:13,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:13,463 INFO L93 Difference]: Finished difference Result 5414 states and 7589 transitions. [2022-11-25 23:39:13,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-11-25 23:39:13,464 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 16 states have internal predecessors, (66), 5 states have call successors, (12), 2 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) Word has length 87 [2022-11-25 23:39:13,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:13,478 INFO L225 Difference]: With dead ends: 5414 [2022-11-25 23:39:13,479 INFO L226 Difference]: Without dead ends: 2725 [2022-11-25 23:39:13,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=122, Invalid=870, Unknown=0, NotChecked=0, Total=992 [2022-11-25 23:39:13,488 INFO L413 NwaCegarLoop]: 3265 mSDtfsCounter, 24 mSDsluCounter, 48746 mSDsCounter, 0 mSdLazyCounter, 2372 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 52011 SdHoareTripleChecker+Invalid, 2380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 2372 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.2s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:13,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 52011 Invalid, 2380 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 2372 Invalid, 1 Unknown, 0 Unchecked, 19.2s Time] [2022-11-25 23:39:13,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2725 states. [2022-11-25 23:39:13,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2725 to 2716. [2022-11-25 23:39:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 1873 states have (on average 1.3112653497063533) internal successors, (2456), 1920 states have internal predecessors, (2456), 675 states have call successors, (675), 169 states have call predecessors, (675), 167 states have return successors, (670), 655 states have call predecessors, (670), 668 states have call successors, (670) [2022-11-25 23:39:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3801 transitions. [2022-11-25 23:39:13,763 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3801 transitions. Word has length 87 [2022-11-25 23:39:13,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:13,763 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3801 transitions. [2022-11-25 23:39:13,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 3.8823529411764706) internal successors, (66), 16 states have internal predecessors, (66), 5 states have call successors, (12), 2 states have call predecessors, (12), 6 states have return successors, (9), 6 states have call predecessors, (9), 5 states have call successors, (9) [2022-11-25 23:39:13,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3801 transitions. [2022-11-25 23:39:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-25 23:39:13,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:13,766 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:13,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:13,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:13,979 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:39:13,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:13,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2019228188, now seen corresponding path program 1 times [2022-11-25 23:39:13,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:39:13,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [515355821] [2022-11-25 23:39:13,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:13,982 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:13,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:39:13,983 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:39:13,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-25 23:39:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:15,595 INFO L263 TraceCheckSpWp]: Trace formula consists of 1791 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-25 23:39:15,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:15,810 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 23:39:15,810 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:39:15,810 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:39:15,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [515355821] [2022-11-25 23:39:15,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [515355821] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:15,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:15,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-25 23:39:15,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516055611] [2022-11-25 23:39:15,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:15,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:39:15,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:39:15,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:39:15,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:39:15,812 INFO L87 Difference]: Start difference. First operand 2716 states and 3801 transitions. Second operand has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:39:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:20,052 INFO L93 Difference]: Finished difference Result 5399 states and 7560 transitions. [2022-11-25 23:39:20,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 23:39:20,053 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 91 [2022-11-25 23:39:20,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:20,067 INFO L225 Difference]: With dead ends: 5399 [2022-11-25 23:39:20,067 INFO L226 Difference]: Without dead ends: 2716 [2022-11-25 23:39:20,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-25 23:39:20,077 INFO L413 NwaCegarLoop]: 3274 mSDtfsCounter, 303 mSDsluCounter, 12564 mSDsCounter, 0 mSdLazyCounter, 677 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 415 SdHoareTripleChecker+Valid, 15838 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 677 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:20,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [415 Valid, 15838 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 677 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2022-11-25 23:39:20,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2716 states. [2022-11-25 23:39:20,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2716 to 2716. [2022-11-25 23:39:20,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2716 states, 1873 states have (on average 1.3107314468766684) internal successors, (2455), 1920 states have internal predecessors, (2455), 675 states have call successors, (675), 169 states have call predecessors, (675), 167 states have return successors, (670), 655 states have call predecessors, (670), 668 states have call successors, (670) [2022-11-25 23:39:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2716 states to 2716 states and 3800 transitions. [2022-11-25 23:39:20,402 INFO L78 Accepts]: Start accepts. Automaton has 2716 states and 3800 transitions. Word has length 91 [2022-11-25 23:39:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:20,402 INFO L495 AbstractCegarLoop]: Abstraction has 2716 states and 3800 transitions. [2022-11-25 23:39:20,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 3 states have call successors, (12), 2 states have call predecessors, (12), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-25 23:39:20,403 INFO L276 IsEmpty]: Start isEmpty. Operand 2716 states and 3800 transitions. [2022-11-25 23:39:20,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 23:39:20,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:20,406 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:20,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:20,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:20,631 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:39:20,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1660960656, now seen corresponding path program 1 times [2022-11-25 23:39:20,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:39:20,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655273940] [2022-11-25 23:39:20,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:20,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:20,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:39:20,634 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:39:20,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-25 23:39:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:22,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 1775 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-25 23:39:22,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:22,349 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:39:22,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:39:22,349 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:39:22,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655273940] [2022-11-25 23:39:22,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655273940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:22,349 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:22,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:39:22,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022896096] [2022-11-25 23:39:22,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:22,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:39:22,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:39:22,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:39:22,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:22,352 INFO L87 Difference]: Start difference. First operand 2716 states and 3800 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:39:22,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:22,645 INFO L93 Difference]: Finished difference Result 2999 states and 4116 transitions. [2022-11-25 23:39:22,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:39:22,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 88 [2022-11-25 23:39:22,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:22,658 INFO L225 Difference]: With dead ends: 2999 [2022-11-25 23:39:22,658 INFO L226 Difference]: Without dead ends: 2509 [2022-11-25 23:39:22,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:22,662 INFO L413 NwaCegarLoop]: 3414 mSDtfsCounter, 1695 mSDsluCounter, 1722 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 5136 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:22,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 5136 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:39:22,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2022-11-25 23:39:22,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2507. [2022-11-25 23:39:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1728 states have (on average 1.2991898148148149) internal successors, (2245), 1767 states have internal predecessors, (2245), 616 states have call successors, (616), 164 states have call predecessors, (616), 162 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-11-25 23:39:22,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3470 transitions. [2022-11-25 23:39:22,940 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3470 transitions. Word has length 88 [2022-11-25 23:39:22,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:22,941 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3470 transitions. [2022-11-25 23:39:22,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 23:39:22,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3470 transitions. [2022-11-25 23:39:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-25 23:39:22,946 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:22,946 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:22,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:23,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:23,163 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:39:23,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:23,164 INFO L85 PathProgramCache]: Analyzing trace with hash -608234840, now seen corresponding path program 1 times [2022-11-25 23:39:23,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:39:23,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492383799] [2022-11-25 23:39:23,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:23,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:23,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:39:23,167 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:39:23,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-25 23:39:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:24,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 1842 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:39:24,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:24,992 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:39:24,992 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:39:24,992 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:39:24,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492383799] [2022-11-25 23:39:24,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492383799] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:24,992 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:24,992 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:39:24,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655537218] [2022-11-25 23:39:24,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:24,993 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:39:24,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:39:24,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:39:24,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:24,994 INFO L87 Difference]: Start difference. First operand 2507 states and 3470 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:39:25,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:25,224 INFO L93 Difference]: Finished difference Result 5003 states and 6949 transitions. [2022-11-25 23:39:25,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:39:25,225 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 104 [2022-11-25 23:39:25,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:25,236 INFO L225 Difference]: With dead ends: 5003 [2022-11-25 23:39:25,236 INFO L226 Difference]: Without dead ends: 2509 [2022-11-25 23:39:25,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:25,245 INFO L413 NwaCegarLoop]: 3141 mSDtfsCounter, 0 mSDsluCounter, 3134 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6275 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:25,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6275 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:39:25,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2022-11-25 23:39:25,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 2507. [2022-11-25 23:39:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1728 states have (on average 1.2957175925925926) internal successors, (2239), 1767 states have internal predecessors, (2239), 616 states have call successors, (616), 164 states have call predecessors, (616), 162 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-11-25 23:39:25,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3464 transitions. [2022-11-25 23:39:25,545 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3464 transitions. Word has length 104 [2022-11-25 23:39:25,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:25,546 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3464 transitions. [2022-11-25 23:39:25,546 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 23:39:25,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3464 transitions. [2022-11-25 23:39:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-25 23:39:25,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:25,552 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:25,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:25,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:25,775 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:39:25,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:25,775 INFO L85 PathProgramCache]: Analyzing trace with hash 2115940939, now seen corresponding path program 1 times [2022-11-25 23:39:25,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:39:25,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1962138466] [2022-11-25 23:39:25,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:25,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:25,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:39:25,778 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:39:25,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-25 23:39:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:39:27,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1848 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-25 23:39:27,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 23:39:27,450 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-25 23:39:27,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 23:39:27,450 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-25 23:39:27,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1962138466] [2022-11-25 23:39:27,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1962138466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:39:27,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:39:27,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:39:27,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347817001] [2022-11-25 23:39:27,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:39:27,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:39:27,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-25 23:39:27,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:39:27,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:27,453 INFO L87 Difference]: Start difference. First operand 2507 states and 3464 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 23:39:27,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:39:27,721 INFO L93 Difference]: Finished difference Result 4976 states and 6884 transitions. [2022-11-25 23:39:27,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:39:27,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 107 [2022-11-25 23:39:27,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:39:27,731 INFO L225 Difference]: With dead ends: 4976 [2022-11-25 23:39:27,731 INFO L226 Difference]: Without dead ends: 2507 [2022-11-25 23:39:27,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:39:27,738 INFO L413 NwaCegarLoop]: 3137 mSDtfsCounter, 0 mSDsluCounter, 3130 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6267 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:39:27,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6267 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:39:27,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2022-11-25 23:39:27,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2507. [2022-11-25 23:39:27,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2507 states, 1728 states have (on average 1.2939814814814814) internal successors, (2236), 1767 states have internal predecessors, (2236), 616 states have call successors, (616), 164 states have call predecessors, (616), 162 states have return successors, (609), 597 states have call predecessors, (609), 609 states have call successors, (609) [2022-11-25 23:39:27,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 2507 states and 3461 transitions. [2022-11-25 23:39:27,994 INFO L78 Accepts]: Start accepts. Automaton has 2507 states and 3461 transitions. Word has length 107 [2022-11-25 23:39:27,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:39:27,994 INFO L495 AbstractCegarLoop]: Abstraction has 2507 states and 3461 transitions. [2022-11-25 23:39:27,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-25 23:39:27,995 INFO L276 IsEmpty]: Start isEmpty. Operand 2507 states and 3461 transitions. [2022-11-25 23:39:27,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-25 23:39:28,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:39:28,000 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:39:28,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-25 23:39:28,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:28,215 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 23:39:28,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:39:28,215 INFO L85 PathProgramCache]: Analyzing trace with hash -2024351799, now seen corresponding path program 1 times [2022-11-25 23:39:28,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-25 23:39:28,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1097468707] [2022-11-25 23:39:28,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:39:28,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 23:39:28,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat [2022-11-25 23:39:28,218 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 23:39:28,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebba7f6f-2659-41ed-947a-da2b99d27c12/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-25 23:40:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 23:40:32,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.