Trace number 1556829

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
MiniSat 2.1 (Sat-race'08 Edition)UNSAT 10.1175 10.1235

General information on the benchmark

NameAPPLICATIONS/crypto/
md5gen/gus-md5-05.cnf
MD5SUM2802e980ef7a0af021d80df126a2e28c
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark10.1175
Satisfiable
(Un)Satisfiability was proved
Number of variables68827
Number of clauses224473
Sum of the clauses size581793
Maximum clause length3
Minimum clause length1
Number of clauses of size 1129
Number of clauses of size 291368
Number of clauses of size 3132976
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.19/0.25	c |  Number of variables:         68827                                         |
0.19/0.25	c |  Number of clauses:          223830                                         |
0.19/0.25	c |  Parse time:                   0.22 s                                       |
1.10/1.18	c |  Simplification time:          0.91 s                                       |
1.10/1.18	c |                                                                             |
1.10/1.18	c ============================[ Search Statistics ]==============================
1.10/1.18	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
1.10/1.18	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
1.10/1.18	c ===============================================================================
1.79/1.87	c |       100 |   28158   161683   547197 |    59283       96     58 |  0.421 % |
2.79/2.83	c |       250 |   28156   161609   546975 |    65212      240     53 |  0.424 % |
4.49/4.57	c |       475 |   28156   161609   546975 |    71733      465     60 |  0.424 % |
7.49/7.50	c |       812 |   28155   161584   546883 |    78906      537     65 |  0.426 % |
10.09/10.11	c ===============================================================================
10.09/10.11	c restarts              : 7
10.09/10.11	c conflicts             : 1074           (107 /sec)
10.09/10.11	c decisions             : 3166           (315 /sec)
10.09/10.11	c propagations          : 11485861       (1141909 /sec)
10.09/10.11	c conflict literals     : 75977          (46.17 % deleted)
10.09/10.11	c Memory used           : 28.81 MB
10.09/10.11	c CPU time              : 10.0585 s
10.09/10.11	c 
10.09/10.11	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1556829-1238750686/watcher-1556829-1238750686 -o /tmp/evaluation-result-1556829-1238750686/solver-1556829-1238750686 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1556829-1238750686.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): 1800 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: 1.02 1.01 1.09 3/81 25068
/proc/meminfo: memFree=1690184/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=8188 CPUtime=0
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 553 0 0 0 0 0 0 0 20 0 1 0 1147732464 8384512 537 1992294400 4194304 5092341 548682068832 18446744073709551615 4244968 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 2047 538 63 219 0 1825 0

[startup+0.0922949 s]
/proc/loadavg: 1.02 1.01 1.09 3/81 25068
/proc/meminfo: memFree=1690184/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=20424 CPUtime=0.08
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 3673 0 0 0 7 1 0 0 20 0 1 0 1147732464 20914176 3533 1992294400 4194304 5092341 548682068832 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 5106 3533 63 219 0 4884 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 20424

[startup+0.101295 s]
/proc/loadavg: 1.02 1.01 1.09 3/81 25068
/proc/meminfo: memFree=1690184/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=20820 CPUtime=0.09
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 3826 0 0 0 8 1 0 0 21 0 1 0 1147732464 21319680 3686 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 5205 3687 63 219 0 4983 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 20820

[startup+0.301317 s]
/proc/loadavg: 1.02 1.01 1.09 3/81 25068
/proc/meminfo: memFree=1690184/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=28564 CPUtime=0.29
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 6737 0 0 0 26 3 0 0 22 0 1 0 1147732464 29249536 6167 1992294400 4194304 5092341 548682068832 18446744073709551615 4247659 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7141 6168 87 219 0 6919 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 28564

[startup+0.701361 s]
/proc/loadavg: 1.02 1.01 1.09 3/81 25068
/proc/meminfo: memFree=1690184/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=34356 CPUtime=0.69
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 8137 0 0 0 65 4 0 0 25 0 1 0 1147732464 35180544 7567 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 8589 7567 87 219 0 8367 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 34356

[startup+1.50145 s]
/proc/loadavg: 1.02 1.01 1.09 2/82 25069
/proc/meminfo: memFree=1657792/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=29500 CPUtime=1.49
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 9488 0 0 0 144 5 0 0 25 0 1 0 1147732464 30208000 6138 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7375 6138 91 219 0 7153 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 29500

[startup+3.10163 s]
/proc/loadavg: 1.02 1.01 1.09 2/82 25069
/proc/meminfo: memFree=1665536/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=29500 CPUtime=3.09
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 9509 0 0 0 304 5 0 0 25 0 1 0 1147732464 30208000 6159 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7375 6159 100 219 0 7153 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 29500

[startup+6.30198 s]
/proc/loadavg: 1.02 1.01 1.09 2/82 25069
/proc/meminfo: memFree=1665408/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=29500 CPUtime=6.29
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 9542 0 0 0 624 5 0 0 25 0 1 0 1147732464 30208000 6192 1992294400 4194304 5092341 548682068832 18446744073709551615 4249091 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7375 6192 100 219 0 7153 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 29500

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

[startup+7.90116 s]
/proc/loadavg: 1.02 1.01 1.09 2/82 25069
/proc/meminfo: memFree=1665408/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=29500 CPUtime=7.89
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 9555 0 0 0 784 5 0 0 25 0 1 0 1147732464 30208000 6205 1992294400 4194304 5092341 548682068832 18446744073709551615 4241376 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7375 6205 100 219 0 7153 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 29500

[startup+9.50134 s]
/proc/loadavg: 1.02 1.01 1.09 2/82 25069
/proc/meminfo: memFree=1665344/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=29500 CPUtime=9.49
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 9567 0 0 0 944 5 0 0 25 0 1 0 1147732464 30208000 6217 1992294400 4194304 5092341 548682068832 18446744073709551615 4240558 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7375 6217 100 219 0 7153 0
Current children cumulated CPU time (s) 9.49
Current children cumulated vsize (KiB) 29500

[startup+9.90639 s]
/proc/loadavg: 1.02 1.01 1.09 2/82 25069
/proc/meminfo: memFree=1665344/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=29500 CPUtime=9.89
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 9570 0 0 0 984 5 0 0 25 0 1 0 1147732464 30208000 6220 1992294400 4194304 5092341 548682068832 18446744073709551615 4241447 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7375 6220 100 219 0 7153 0
Current children cumulated CPU time (s) 9.89
Current children cumulated vsize (KiB) 29500

[startup+10.1014 s]
/proc/loadavg: 1.02 1.01 1.09 2/82 25069
/proc/meminfo: memFree=1665344/2055920 swapFree=4172784/4192956
[pid=25068] ppid=25066 vsize=29500 CPUtime=10.09
/proc/25068/stat : 25068 (minisat) R 25066 25068 24596 0 -1 4194304 9571 0 0 0 1004 5 0 0 25 0 1 0 1147732464 30208000 6221 1992294400 4194304 5092341 548682068832 18446744073709551615 4241260 0 0 4096 3 0 0 0 17 0 0 0
/proc/25068/statm: 7375 6221 100 219 0 7153 0
Current children cumulated CPU time (s) 10.09
Current children cumulated vsize (KiB) 29500

Child status: 20
Real time (s): 10.1235
CPU time (s): 10.1175
CPU user time (s): 10.0585
CPU system time (s): 0.058991
CPU usage (%): 99.9408
Max. virtual memory (cumulated for all children) (KiB): 39556

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.0585
system time used= 0.058991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9581
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= 1
involuntary context switches= 48

runsolver used 0.020996 second user time and 0.034994 second system time

The end

Launcher Data 

Begin job on node87 at 2009-04-03 11:24:46
IDJOB=1556829
IDBENCH=70826
IDSOLVER=546
FILE ID=node87/1556829-1238750686
PBS_JOBID= 9085387
Free space on /tmp= 66436 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/crypto/md5gen/gus-md5-05.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1556829-1238750686/watcher-1556829-1238750686 -o /tmp/evaluation-result-1556829-1238750686/solver-1556829-1238750686 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1556829-1238750686.cnf

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 2802e980ef7a0af021d80df126a2e28c
RANDOM SEED=1906170229

node87.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.236
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	: 5914.62
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		: 3000.236
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1690600 kB
Buffers:         54808 kB
Cached:         230280 kB
SwapCached:       9352 kB
Active:          74716 kB
Inactive:       221248 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1690600 kB
SwapTotal:     4192956 kB
SwapFree:      4172784 kB
Dirty:            5060 kB
Writeback:           0 kB
Mapped:          16480 kB
Slab:            53464 kB
Committed_AS:  2864612 kB
PageTables:       2676 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= 66432 MiB
End job on node87 at 2009-04-03 11:24:57