Trace number 333089

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds, and are wall clock time (not CPU time).

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
MiraXT v2SAT 11.4053 11.4218

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark2.43863
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data (download as text)

0.00/0.00	c Starting MiraXTv2...
11.38/11.40	s SATISFIABLE
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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.4 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node4/watcher-333089-1178896955 -o ROOT/results/node4/solver-333089-1178896955 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/333089-1178896955/MiraXTv2_dyn /tmp/evaluation/333089-1178896955/instance-333089-1178896955.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.81 1.71 1.47 3/77 22371
/proc/meminfo: memFree=1570960/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=3788 CPUtime=0
/proc/22371/stat : 22371 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194304 419 0 0 0 0 0 0 0 18 0 1 0 365733301 3878912 394 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 0 0 0 17 0 0 0
/proc/22371/statm: 947 402 202 20 0 305 0

[startup+0.033525 s]
/proc/loadavg: 1.81 1.71 1.47 3/77 22371
/proc/meminfo: memFree=1570960/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=5280 CPUtime=0.02
/proc/22371/stat : 22371 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194304 801 0 0 0 2 0 0 0 18 0 1 0 365733301 5406720 776 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 11023995 0 0 4096 0 0 0 0 17 0 0 0
/proc/22371/statm: 1320 776 206 20 0 678 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 5280

[startup+0.10153 s]
/proc/loadavg: 1.81 1.71 1.47 3/77 22371
/proc/meminfo: memFree=1570960/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=5992 CPUtime=0.09
/proc/22371/stat : 22371 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194304 979 0 0 0 9 0 0 0 18 0 1 0 365733301 6135808 954 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134578411 0 0 4096 0 0 0 0 17 0 0 0
/proc/22371/statm: 1498 954 207 20 0 856 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5992

[startup+0.30155 s]
/proc/loadavg: 1.81 1.71 1.47 3/77 22371
/proc/meminfo: memFree=1570960/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=8400 CPUtime=0.29
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 1334 0 0 0 29 0 0 0 18 0 2 0 365733301 8601600 1264 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 2100 1264 218 20 0 1458 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 8400

[startup+0.701587 s]
/proc/loadavg: 1.81 1.71 1.47 3/77 22371
/proc/meminfo: memFree=1570960/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=9852 CPUtime=0.69
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 1735 0 0 0 68 1 0 0 18 0 2 0 365733301 10088448 1665 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 2463 1665 218 20 0 1821 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9852

[startup+1.50266 s]
/proc/loadavg: 1.81 1.71 1.47 2/79 22373
/proc/meminfo: memFree=1564224/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=11968 CPUtime=1.49
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 2150 0 0 0 148 1 0 0 18 0 2 0 365733301 12255232 2080 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 2992 2080 218 20 0 2350 0
[pid=22371/tid=22373] ppid=22369 vsize=11968 CPUtime=1.3
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 1031 0 0 0 130 0 0 0 25 0 2 0 365733320 12255232 2080 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526354 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11968

[startup+3.10182 s]
/proc/loadavg: 1.81 1.71 1.47 2/79 22373
/proc/meminfo: memFree=1562944/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=13740 CPUtime=3.08
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 2599 0 0 0 307 1 0 0 18 0 2 0 365733301 14069760 2529 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 3435 2529 218 20 0 2793 0
[pid=22371/tid=22373] ppid=22369 vsize=13740 CPUtime=2.9
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 1480 0 0 0 289 1 0 0 25 0 2 0 365733320 14069760 2529 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526477 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 13740

[startup+6.30112 s]
/proc/loadavg: 1.75 1.70 1.47 2/79 22373
/proc/meminfo: memFree=1558464/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=17452 CPUtime=6.29
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 3564 0 0 0 627 2 0 0 18 0 2 0 365733301 17870848 3494 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 4363 3494 218 20 0 3721 0
[pid=22371/tid=22373] ppid=22369 vsize=17452 CPUtime=6.09
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 2445 0 0 0 608 1 0 0 25 0 2 0 365733320 17870848 3494 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526691 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 17452

Solver just ended. Dumping a history of the last processes samples

[startup+9.50143 s]
/proc/loadavg: 1.75 1.70 1.47 2/79 22373
/proc/meminfo: memFree=1555072/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=19748 CPUtime=9.48
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 4159 0 0 0 946 2 0 0 18 0 2 0 365733301 20221952 4053 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 4937 4053 218 20 0 4295 0
[pid=22371/tid=22373] ppid=22369 vsize=19748 CPUtime=9.29
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 3040 0 0 0 928 1 0 0 25 0 2 0 365733320 20221952 4053 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526691 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 9.48
Current children cumulated vsize (KiB) 19748

[startup+10.3025 s]
/proc/loadavg: 1.69 1.69 1.46 2/79 22373
/proc/meminfo: memFree=1555072/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=19748 CPUtime=10.28
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 4168 0 0 0 1026 2 0 0 18 0 2 0 365733301 20221952 4062 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 4937 4062 218 20 0 4295 0
[pid=22371/tid=22373] ppid=22369 vsize=19748 CPUtime=10.09
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 3049 0 0 0 1008 1 0 0 25 0 2 0 365733320 20221952 4062 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526275 0 0 4096 0 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 10.28
Current children cumulated vsize (KiB) 19748

[startup+11.1016 s]
/proc/loadavg: 1.69 1.69 1.46 2/79 22373
/proc/meminfo: memFree=1555008/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=19748 CPUtime=11.08
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 4173 0 0 0 1106 2 0 0 18 0 2 0 365733301 20221952 4067 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 4937 4067 218 20 0 4295 0
[pid=22371/tid=22373] ppid=22369 vsize=19748 CPUtime=10.89
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 3054 0 0 0 1088 1 0 0 25 0 2 0 365733320 20221952 4067 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526290 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 11.08
Current children cumulated vsize (KiB) 19748

[startup+11.3016 s]
/proc/loadavg: 1.69 1.69 1.46 2/79 22373
/proc/meminfo: memFree=1555008/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=19748 CPUtime=11.28
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 4177 0 0 0 1126 2 0 0 18 0 2 0 365733301 20221952 4071 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 4937 4071 218 20 0 4295 0
[pid=22371/tid=22373] ppid=22369 vsize=19748 CPUtime=11.09
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 3058 0 0 0 1108 1 0 0 25 0 2 0 365733320 20221952 4071 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 134526301 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 11.28
Current children cumulated vsize (KiB) 19748

[startup+11.4016 s]
/proc/loadavg: 1.69 1.69 1.46 2/79 22373
/proc/meminfo: memFree=1555008/2055920 swapFree=4141212/4192956
[pid=22371] ppid=22369 vsize=18032 CPUtime=11.38
/proc/22371/stat : 22371 (MiraXTv2_dyn) S 22369 22371 19777 0 -1 4194304 4177 0 0 0 1136 2 0 0 18 0 2 0 365733301 18464768 3803 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 4294960144 0 0 4096 0 18446744073709551615 0 0 17 0 0 0
/proc/22371/statm: 4508 3803 218 20 0 3866 0
[pid=22371/tid=22373] ppid=22369 vsize=18032 CPUtime=11.19
/proc/22371/task/22373/stat : 22373 (MiraXTv2_dyn) R 22369 22371 19777 0 -1 4194368 3058 0 0 0 1118 1 0 0 25 0 2 0 365733320 18464768 3803 18446744073709551615 134512640 134597668 4294956656 18446744073709551615 11021897 0 0 4096 0 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 11.38
Current children cumulated vsize (KiB) 18032

Child status: 10
Real time (s): 11.4218
CPU time (s): 11.4053
CPU user time (s): 11.3773
CPU system time (s): 0.027995
CPU usage (%): 99.8554
Max. virtual memory (cumulated for all children) (KiB): 19748

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 11.3773
system time used= 0.027995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4187
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 18
involuntary context switches= 236

runsolver used 0.012998 second user time and 0.032994 second system time

The end

Launcher Data (download as text)

Begin job on node4 on Fri May 11 15:22:36 UTC 2007

IDJOB= 333089
IDBENCH= 24595
IDSOLVER= 129
FILE ID= node4/333089-1178896955

PBS_JOBID= 5251070

Free space on /tmp= 66560 MiB

SOLVER NAME= MiraXT v2
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/333089-1178896955/MiraXTv2_dyn /tmp/evaluation/333089-1178896955/instance-333089-1178896955.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node4/watcher-333089-1178896955 -o ROOT/results/node4/solver-333089-1178896955 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/333089-1178896955/MiraXTv2_dyn /tmp/evaluation/333089-1178896955/instance-333089-1178896955.cnf            

META MD5SUM SOLVER= 2ad149617ed8d249d89b067eb44c33da
MD5SUM BENCH=  74af041eb51b172e799baf4bb7eaa52f

RANDOM SEED= 353357237

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node4.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.218
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5931.00
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.218
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1571176 kB
Buffers:         48848 kB
Cached:         337764 kB
SwapCached:      15676 kB
Active:         128864 kB
Inactive:       290256 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1571176 kB
SwapTotal:     4192956 kB
SwapFree:      4141212 kB
Dirty:            4600 kB
Writeback:           0 kB
Mapped:          39004 kB
Slab:            51072 kB
Committed_AS:  9968596 kB
PageTables:       1852 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66560 MiB

End job on node4 on Fri May 11 15:22:47 UTC 2007