Follow-up Comment #1, bug #15337 (project freeciv):
Got backtrace from another instance of the same assert failure:
(gdb) bt full
#0 0x00007f4b9862d4b5 in *__GI_raise (sig=<value optimized out>)
at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
pid = <value optimized out>
selftid = <value optimized out>
#1 0x00007f4b98630f50 in *__GI_abort () at abort.c:92
act = {__sigaction_handler = {sa_handler = 0x61df99,
sa_sigaction = 0x61df99}, sa_mask = {__val = {139962656946408,
140736837226352, 339, 140736837226592, 139962656094662,
206158430232, 140736837226608, 140736837226384,
139962656005544,
206158430256, 140736837226632, 40063232, 2285632,
733634176081289574, 8607631710057668718, 140736837234106}},
sa_flags = -1737303661, sa_restorer = 0x61de50}
sigs = {__val = {32, 0 <repeats 15 times>}}
#2 0x00007f4b98626481 in *__GI___assert_fail (
assertion=0x61df99 "costwithout >= costwith", file=<value optimized out>,
line=339, function=0x61dfeb "wonder_benefit") at assert.c:81
buf = 0x2635100 "freeciv-server: common/aicore/caravan.c:339:
wonder_benefit: Assertion `costwithout >= costwith' failed.\n"
#3 0x000000000059650d in wonder_benefit (caravan=0x25a11d0, arrival_time=-1,
dest=0x233ca00, param=0x7fffd9309470)
at common/aicore/caravan.c:339
costwithout = 12
costwith = 16
shields_at_arrival = -1
__PRETTY_FUNCTION__ = "wonder_benefit"
#4 0x00000000005966dd in get_discounted_reward (caravan=0x25a11d0,
parameter=0x7fffd9309470, result=0x7fffd93091e0)
at common/aicore/caravan.c:396
trade = 0
windfall = 0
wonder = 1.607988422470021e-316
src = 0x1e383b0
dest = 0x233ca00
arrival_time = -1
discount = 0.94999999999999996
#5 0x0000000000596bad in cfbdw_callback (vdata=0x7fffd93093a0,
dest=0x233ca00, arrival_time=-1, moves_left=-1)
at common/aicore/caravan.c:538
data = 0x7fffd93093a0
current = {src = 0x1e383b0, dest = 0x233ca00, arrival_time = -1,
value = 0, help_wonder = false}
#6 0x000000000059615b in caravan_search_from (caravan=0x25a11d0,
param=0x7fffd9309470, start_tile=0x1f0d660, turns_before=0,
moves_left_before=3, callback=0x596b4f <cfbdw_callback>,
callback_data=0x7fffd93093a0)
at common/aicore/caravan.c:195
pcity = 0x233ca00
__pf_map = 0x2634c00
pos = {tile = 0x1f09d00, turn = -1, moves_left = -1, fuel_left = -1,
total_MC = 3, total_EC = 0, dir_to_next_pos = 4294967295,
dir_to_here = DIR8_NORTHEAST}
pfm = 0x2634c00
pfparam = {start_tile = 0x1f0d660, moves_left_initially = 3,
fuel_left_initially = 1, move_rate = 3, fuel = 1, owner = 0x9814f0,
uclass = 0x979cb0, unit_flags = {
vec = "\017\000\000\000\000\000\000"}, omniscience = true,
turn_mode = TM_CAPPED, get_MC = 0x597f43 <normal_move_unit>,
unknown_MC = 6, get_TB = 0, get_EC = 0, can_invade_tile = 0,
get_zoc = 0, is_pos_dangerous = 0, get_moves_left_req = 0,
get_costs = 0, data = 0xaa}
end_time = 1000000000
#7 0x0000000000596cb6 in caravan_find_best_destination_withtransit (
caravan=0x25a11d0, param=0x7fffd9309470, src=0x1e383b0, turns_before=0,
moves_left=3, result=0x7fffd9309440)
at common/aicore/caravan.c:571
start_tile = 0x1f0d660
data = {param = 0x7fffd9309470, caravan = 0x25a11d0,
best = 0x7fffd9309440}
#8 0x0000000000596d36 in caravan_find_best_destination (caravan=0x25a11d0,
parameter=0x7fffd9309470, result=0x7fffd9309440)
at common/aicore/caravan.c:590
src = 0x1e383b0
#9 0x000000000045a9a4 in ai_manage_caravan (pplayer=0x9814f0,
punit=0x25a11d0)
at ai/aiunit.c:1944
parameter = {horizon = 1000000000, discount = 0.94999999999999996,
consider_windfall = true, consider_trade = true,
consider_wonders = true, account_for_broken_routes = true,
allow_foreign_trade = false, ignore_transit_time = false,
convert_trade = false, callback = 0, callback_data = 0xd93094b0}
result = {src = 0x1e383b0, dest = 0x1e383b0, arrival_time = -1,
value = 0, help_wonder = false}
__PRETTY_FUNCTION__ = "ai_manage_caravan"
#10 0x000000000045b718 in ai_manage_unit (pplayer=0x9814f0, punit=0x25a11d0)
at ai/aiunit.c:2245
bodyguard = 0x0
is_ferry = false
__PRETTY_FUNCTION__ = "ai_manage_unit"
#11 0x000000000045be07 in ai_manage_units (pplayer=0x9814f0)
at ai/aiunit.c:2381
punit = 0x25a11d0
punit_numbers = 0x7fffd9309510
punit_index = 0
punit_size = 34
#12 0x00000000004e0557 in ai_do_first_activities (pplayer=0x9814f0)
at ai/aihand.c:436
No locals.
#13 0x0000000000430110 in ai_start_phase ()
at server/srv_main.c:649
MY_i = 19
pplayer = 0x9814f0
#14 0x000000000043084d in begin_phase (is_new_phase=true)
at server/srv_main.c:802
No locals.
#15 0x00000000004337a1 in srv_running ()
at server/srv_main.c:2028
eot_timer = 0x1f5fc90
save_counter = 9
is_new_turn = true
need_send_pending_events = false
__PRETTY_FUNCTION__ = "srv_running"
#16 0x0000000000434645 in srv_main ()
at server/srv_main.c:2441
No locals.
#17 0x000000000042b421 in main (argc=17, argv=0x7fffd9309838)
at server/civserver.c:362
inx = 17
showhelp = false
showvers = false
option = 0x1c071c0 ""
I have core file available if more information is needed from it. (ID with
which i find it: beta server game #475)
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