Index accessing while find references/usages causes Slow operation assertion

Exception stack as below:

2024-10-27 21:41:51,160 [ 120165] SEVERE - #c.i.u.SlowOperations - Slow operations are prohibited on EDT. See SlowOperations.assertSlowOperationsAreAllowed javadoc.
java.lang.Throwable: Slow operations are prohibited on EDT. See SlowOperations.assertSlowOperationsAreAllowed javadoc.
    at com.intellij.openapi.diagnostic.Logger.error(Logger.java:376)
    at com.intellij.util.SlowOperations.assertSlowOperationsAreAllowed(SlowOperations.java:106)
    at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexDataImpl.ensureIsUpToDate(WorkspaceFileIndexDataImpl.kt:149)
    at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexDataImpl.getFileInfo(WorkspaceFileIndexDataImpl.kt:94)
    at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexImpl.getFileInfo(WorkspaceFileIndexImpl.kt:260)
    at com.intellij.workspaceModel.core.fileIndex.impl.WorkspaceFileIndexImpl.findFileSetWithCustomData(WorkspaceFileIndexImpl.kt:243)
    at com.intellij.openapi.roots.impl.ProjectFileIndexImpl.getModuleForFile(ProjectFileIndexImpl.java:100)
    at com.intellij.openapi.roots.impl.ProjectFileIndexImpl.getModuleForFile(ProjectFileIndexImpl.java:93)
    at com.intellij.openapi.roots.impl.ProjectFileIndexFacade.getModuleForFile(ProjectFileIndexFacade.java:79)
    at com.intellij.psi.search.GlobalSearchScope$FileScope.<init>(GlobalSearchScope.java:750)
    at com.intellij.psi.search.GlobalSearchScope$FileScope.<init>(GlobalSearchScope.java:740)
    at com.intellij.psi.search.GlobalSearchScope.fileScope(GlobalSearchScope.java:304)
    at com.wjcdx.lang.verilog.psi.VerilogIdentifier.getReference(VerilogIdentifier.java:39)
    at com.intellij.psi.impl.SharedPsiElementImplUtil.getReferences(SharedPsiElementImplUtil.java:75)
    at com.intellij.psi.impl.PsiElementBase.getReferences(PsiElementBase.java:71)
    at com.intellij.psi.impl.SharedPsiElementImplUtil.addReferences(SharedPsiElementImplUtil.java:58)
    at com.intellij.psi.impl.SharedPsiElementImplUtil.findReferenceAt(SharedPsiElementImplUtil.java:33)
    at com.intellij.psi.impl.SharedPsiElementImplUtil.findReferenceAt(SharedPsiElementImplUtil.java:50)
    at com.intellij.psi.impl.PsiElementBase.findReferenceAt(PsiElementBase.java:76)
    at com.intellij.psi.AbstractFileViewProvider.findReferenceAt(AbstractFileViewProvider.java:226)
    at com.intellij.psi.SingleRootFileViewProvider.findReferenceAt(SingleRootFileViewProvider.java:227)
    at com.intellij.psi.impl.source.PsiFileImpl.findReferenceAt(PsiFileImpl.java:535)
    at com.intellij.codeInsight.TargetElementUtilBase.findReference(TargetElementUtilBase.java:189)
    at com.intellij.codeInsight.TargetElementUtil.findReference(TargetElementUtil.java:94)
    at com.intellij.codeInsight.TargetElementUtil.findReference(TargetElementUtil.java:82)
    at com.intellij.find.actions.ShowUsagesAction.originUsageCheck(ShowUsagesAction.java:776)
    at com.intellij.find.actions.ShowUsagesAction.showElementUsagesWithResult(ShowUsagesAction.java:530)
    at com.intellij.find.actions.ShowUsagesManager.showElementUsagesWithResult(ShowUsagesManager.kt:19)
    at com.intellij.find.actions.ShowUsagesAction.showElementUsagesWithResult(ShowUsagesAction.java:510)
    at com.intellij.find.actions.ShowUsagesAction.startFindUsagesWithResult(ShowUsagesAction.java:309)
    at com.intellij.find.actions.ShowUsagesAction.lambda$startFindUsages$4(ShowUsagesAction.java:324)
    at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$safeTransferToEdt$7(NonBlockingReadActionImpl.java:717)
    at com.intellij.openapi.application.TransactionGuardImpl.runWithWritingAllowed(TransactionGuardImpl.java:229)
    at com.intellij.openapi.application.TransactionGuardImpl.access$100(TransactionGuardImpl.java:22)
    at com.intellij.openapi.application.TransactionGuardImpl$1.run(TransactionGuardImpl.java:191)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runIntendedWriteActionOnCurrentThread$lambda$1(AnyThreadWriteThreadingSupport.kt:184)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:84)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runIntendedWriteActionOnCurrentThread(AnyThreadWriteThreadingSupport.kt:183)
    at com.intellij.openapi.application.impl.ApplicationImpl.runIntendedWriteActionOnCurrentThread(ApplicationImpl.java:836)
    at com.intellij.openapi.application.impl.ApplicationImpl$2.run(ApplicationImpl.java:425)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWithImplicitRead(AnyThreadWriteThreadingSupport.kt:122)
    at com.intellij.openapi.application.impl.ApplicationImpl.runWithImplicitRead(ApplicationImpl.java:1162)
    at com.intellij.openapi.application.impl.FlushQueue.doRun$$$capture(FlushQueue.java:78)
    at com.intellij.openapi.application.impl.FlushQueue.doRun(FlushQueue.java)
    at com.intellij.openapi.application.impl.FlushQueue.runNextEvent(FlushQueue.java:119)
    at com.intellij.openapi.application.impl.FlushQueue.flushNow(FlushQueue.java:41)
    at java.desktop/java.awt.event.InvocationEvent.dispatch$$$capture(InvocationEvent.java:318)
    at java.desktop/java.awt.event.InvocationEvent.dispatch(InvocationEvent.java)
    at java.desktop/java.awt.EventQueue.dispatchEventImpl(EventQueue.java:781)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:728)
    at java.desktop/java.awt.EventQueue$4.run(EventQueue.java:722)
    at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
    at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
    at java.desktop/java.awt.EventQueue.dispatchEvent(EventQueue.java:750)
    at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.kt:696)
    at com.intellij.ide.IdeEventQueue._dispatchEvent$lambda$16(IdeEventQueue.kt:590)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWithoutImplicitRead(AnyThreadWriteThreadingSupport.kt:117)
    at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.kt:590)
    at com.intellij.ide.IdeEventQueue.access$_dispatchEvent(IdeEventQueue.kt:73)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1$1.compute(IdeEventQueue.kt:357)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1$1.compute(IdeEventQueue.kt:356)
    at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:843)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.invoke(IdeEventQueue.kt:356)
    at com.intellij.ide.IdeEventQueue$dispatchEvent$processEventRunnable$1$1$1.invoke(IdeEventQueue.kt:351)
    at com.intellij.ide.IdeEventQueueKt$performActivity$runnableWithWIL$1.invoke$lambda$0(IdeEventQueue.kt:1035)
    at com.intellij.openapi.application.WriteIntentReadAction.lambda$run$0(WriteIntentReadAction.java:24)
    at com.intellij.openapi.application.impl.AnyThreadWriteThreadingSupport.runWriteIntentReadAction(AnyThreadWriteThreadingSupport.kt:84)
    at com.intellij.openapi.application.impl.ApplicationImpl.runWriteIntentReadAction(ApplicationImpl.java:910)
    at com.intellij.openapi.application.WriteIntentReadAction.compute(WriteIntentReadAction.java:55)
    at com.intellij.openapi.application.WriteIntentReadAction.run(WriteIntentReadAction.java:23)
    at com.intellij.ide.IdeEventQueueKt$performActivity$runnableWithWIL$1.invoke(IdeEventQueue.kt:1035)
    at com.intellij.ide.IdeEventQueueKt$performActivity$runnableWithWIL$1.invoke(IdeEventQueue.kt:1035)
    at com.intellij.ide.IdeEventQueueKt.performActivity$lambda$1(IdeEventQueue.kt:1036)
    at com.intellij.openapi.application.TransactionGuardImpl.performActivity(TransactionGuardImpl.java:106)
    at com.intellij.ide.IdeEventQueueKt.performActivity(IdeEventQueue.kt:1036)
    at com.intellij.ide.IdeEventQueue.dispatchEvent$lambda$10(IdeEventQueue.kt:351)
    at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.kt:397)
    at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:207)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
    at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
    at java.desktop/java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
    at java.desktop/java.awt.EventDispatchThread.run(EventDispatchThread.java:92)
2024-10-27 21:41:51,170 [ 120175] SEVERE - #c.i.u.SlowOperations - IntelliJ IDEA 2024.2  Build #IC-242.20224.300
2024-10-27 21:41:51,170 [ 120175] SEVERE - #c.i.u.SlowOperations - JDK: 21.0.3; VM: OpenJDK 64-Bit Server VM; Vendor: JetBrains s.r.o.
2024-10-27 21:41:51,170 [ 120175] SEVERE - #c.i.u.SlowOperations - OS: Windows 11
2024-10-27 21:41:51,170 [ 120175] SEVERE - #c.i.u.SlowOperations - Plugin to blame: Verilog Language Support version: 2024.2.2
2024-10-27 21:41:51,170 [ 120175] SEVERE - #c.i.u.SlowOperations - Last Action: GotoDeclaration

Is it permitted to use file-based index in Find Usages/References?