Process 7049 stopped
* thread #1: tid = 0x431d0e, 0x0000002000000020, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x2000000020)
    frame #0: 0x0000002000000020
error: memory read failed for 0x2000000000
(lldb) thread backtrace all
* thread #1: tid = 0x431d0e, 0x0000002000000020, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x2000000020)
  * frame #0: 0x0000002000000020
    frame #1: 0x000000010003e239 solvespace`SolveSpace::TextWindow::MouseEvent(this=0x0000000102000000, leftClick=false, leftDown=false, x=-516.8359375, y=13.72265625) + 761 at textwin.cpp:1044
    frame #2: 0x000000010004b865 solvespace`::-[TextWindowView mouseMoved:](self=0x000000010102ab90, _cmd="mouseMoved:", event=0x00000001015de920) + 293 at cocoamain.mm:921
    frame #3: 0x00007fff99b631e4 AppKit`-[NSTrackingArea mouseMoved:] + 152
    frame #4: 0x00007fff9a0e9bd1 AppKit`-[NSWindow _handleMouseMovedEvent:] + 266
    frame #5: 0x00007fff9a0eab15 AppKit`-[NSWindow _reallySendEvent:isDelayedEvent:] + 2108
    frame #6: 0x00007fff99b29539 AppKit`-[NSWindow sendEvent:] + 517
    frame #7: 0x00007fff99aa94db AppKit`-[NSApplication sendEvent:] + 1167
    frame #8: 0x00007fff99910df2 AppKit`-[NSApplication run] + 796
    frame #9: 0x000000010004ee6d solvespace`main(argc=1, argv=0x00007fff5fbffb08) + 429 at cocoamain.mm:1352
    frame #10: 0x00007fff914035ad libdyld.dylib`start + 1
    frame #11: 0x00007fff914035ad libdyld.dylib`start + 1

  thread #3: tid = 0x431d2a, 0x00007fff8d933efa libsystem_kernel.dylib`kevent_qos + 10, queue = 'com.apple.libdispatch-manager'
    frame #0: 0x00007fff8d933efa libsystem_kernel.dylib`kevent_qos + 10
    frame #1: 0x00007fff8ee6f165 libdispatch.dylib`_dispatch_mgr_invoke + 216
    frame #2: 0x00007fff8ee6edcd libdispatch.dylib`_dispatch_mgr_thread + 52

  thread #12: tid = 0x431d61, 0x00007fff8d92cf72 libsystem_kernel.dylib`mach_msg_trap + 10, name = 'com.apple.NSEventThread'
    frame #0: 0x00007fff8d92cf72 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff8d92c3b3 libsystem_kernel.dylib`mach_msg + 55
    frame #2: 0x00007fff884f2124 CoreFoundation`__CFRunLoopServiceMachPort + 212
    frame #3: 0x00007fff884f15ec CoreFoundation`__CFRunLoopRun + 1356
    frame #4: 0x00007fff884f0e38 CoreFoundation`CFRunLoopRunSpecific + 296
    frame #5: 0x00007fff99a72d95 AppKit`_NSEventThread + 149
    frame #6: 0x00007fff9b60c99d libsystem_pthread.dylib`_pthread_body + 131
    frame #7: 0x00007fff9b60c91a libsystem_pthread.dylib`_pthread_start + 168
    frame #8: 0x00007fff9b60a351 libsystem_pthread.dylib`thread_start + 13

  thread #46: tid = 0x433ec6, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #51: tid = 0x4341ce, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #52: tid = 0x43425e, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #53: tid = 0x43425f, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #54: tid = 0x4342ac, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #55: tid = 0x4342ad, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #56: tid = 0x4342ae, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #57: tid = 0x4342af, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13

  thread #58: tid = 0x4342b0, 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #0: 0x00007fff8d9335e2 libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff9b60c578 libsystem_pthread.dylib`_pthread_wqthread + 1283
    frame #2: 0x00007fff9b60a341 libsystem_pthread.dylib`start_wqthread + 13