Trace number 1556777

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 28.7376 28.7462

General information on the benchmark

NameAPPLICATIONS/crypto/
md5gen/gus-md5-06.cnf
MD5SUM54bbde63bf0c9b14dd4e32426eab0a42
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark28.7376
Satisfiable
(Un)Satisfiability was proved
Number of variables68953
Number of clauses224868
Sum of the clauses size582796
Maximum clause length3
Minimum clause length1
Number of clauses of size 1129
Number of clauses of size 291550
Number of clauses of size 3133189
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:         68953                                         |
0.19/0.25	c |  Number of clauses:          224225                                         |
0.19/0.25	c |  Parse time:                   0.22 s                                       |
1.09/1.18	c |  Simplification time:          0.92 s                                       |
1.09/1.18	c |                                                                             |
1.09/1.18	c ============================[ Search Statistics ]==============================
1.09/1.18	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
1.09/1.18	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
1.09/1.18	c ===============================================================================
1.19/1.25	c |       100 |   28200   161927   548055 |    59373       98     20 |  0.416 % |
2.20/2.25	c |       250 |   28200   161893   547950 |    65310      245     46 |  0.416 % |
3.39/3.44	c |       475 |   28200   161893   547950 |    71841      470     86 |  0.416 % |
5.40/5.40	c |       812 |   28200   161893   547950 |    79025      807    104 |  0.416 % |
9.19/9.23	c |      1318 |   28199   161888   547938 |    86928     1312     95 |  0.418 % |
16.59/16.60	c |      2077 |   28199   161888   547938 |    95621     2071     89 |  0.418 % |
27.68/27.73	c |      3216 |   28188   161761   547503 |   105183      908     86 |  0.434 % |
28.68/28.74	c ===============================================================================
28.68/28.74	c restarts              : 17
28.68/28.74	c conflicts             : 3312           (115 /sec)
28.68/28.74	c decisions             : 15603          (544 /sec)
28.68/28.74	c propagations          : 35457106       (1235972 /sec)
28.68/28.74	c conflict literals     : 246792         (46.74 % deleted)
28.68/28.74	c Memory used           : 28.68 MB
28.68/28.74	c CPU time              : 28.6876 s
28.68/28.74	c 
28.68/28.74	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-1556777-1238750514/watcher-1556777-1238750514 -o /tmp/evaluation-result-1556777-1238750514/solver-1556777-1238750514 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/minisat HOME/instance-1556777-1238750514.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: 1.00 0.99 0.91 3/73 27286
/proc/meminfo: memFree=1475840/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=8284 CPUtime=0
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 585 0 0 0 0 0 0 0 20 0 1 0 931440038 8482816 569 1992294400 4194304 5092341 548682068832 18446744073709551615 4244968 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 2071 571 63 219 0 1849 0

[startup+0.066942 s]
/proc/loadavg: 1.00 0.99 0.91 3/73 27286
/proc/meminfo: memFree=1475840/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=18308 CPUtime=0.06
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 2973 0 0 0 5 1 0 0 20 0 1 0 931440038 18747392 2935 1992294400 4194304 5092341 548682068832 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 4577 2936 63 219 0 4355 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 18308

[startup+0.101947 s]
/proc/loadavg: 1.00 0.99 0.91 3/73 27286
/proc/meminfo: memFree=1475840/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=20820 CPUtime=0.09
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 3850 0 0 0 8 1 0 0 20 0 1 0 931440038 21319680 3710 1992294400 4194304 5092341 548682068832 18446744073709551615 4494759 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 5205 3710 63 219 0 4983 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 20820

[startup+0.301966 s]
/proc/loadavg: 1.00 0.99 0.91 3/73 27286
/proc/meminfo: memFree=1475840/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=28584 CPUtime=0.29
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 6753 0 0 0 27 2 0 0 22 0 1 0 931440038 29270016 6183 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7146 6183 87 219 0 6924 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 28584

[startup+0.702008 s]
/proc/loadavg: 1.00 0.99 0.91 3/73 27286
/proc/meminfo: memFree=1475840/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=34208 CPUtime=0.69
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 8157 0 0 0 66 3 0 0 25 0 1 0 931440038 35028992 7587 1992294400 4194304 5092341 548682068832 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 8552 7588 87 219 0 8330 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 34208

[startup+1.50209 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1443512/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=1.49
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9473 0 0 0 145 4 0 0 25 0 1 0 931440038 30068736 6118 1992294400 4194304 5092341 548682068832 18446744073709551615 4240843 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6118 100 219 0 7119 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 29364

[startup+3.10126 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1451256/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=3.09
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9501 0 0 0 305 4 0 0 25 0 1 0 931440038 30068736 6146 1992294400 4194304 5092341 548682068832 18446744073709551615 4241447 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6146 100 219 0 7119 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 29364

[startup+6.3016 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1451000/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=6.29
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9565 0 0 0 625 4 0 0 25 0 1 0 931440038 30068736 6210 1992294400 4194304 5092341 548682068832 18446744073709551615 4249917 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6210 100 219 0 7119 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 29364

[startup+12.7013 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1450744/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=12.69
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9628 0 0 0 1265 4 0 0 25 0 1 0 931440038 30068736 6273 1992294400 4194304 5092341 548682068832 18446744073709551615 4240640 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6273 100 219 0 7119 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 29364

[startup+25.5016 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1450424/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=25.48
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9706 0 0 0 2544 4 0 0 25 0 1 0 931440038 30068736 6351 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6351 100 219 0 7119 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 29364

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

[startup+27.1018 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1450360/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=27.08
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9712 0 0 0 2704 4 0 0 25 0 1 0 931440038 30068736 6357 1992294400 4194304 5092341 548682068832 18446744073709551615 4240947 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6357 100 219 0 7119 0
Current children cumulated CPU time (s) 27.08
Current children cumulated vsize (KiB) 29364

[startup+27.9019 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1450360/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=27.88
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9716 0 0 0 2784 4 0 0 25 0 1 0 931440038 30068736 6361 1992294400 4194304 5092341 548682068832 18446744073709551615 4249477 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6361 100 219 0 7119 0
Current children cumulated CPU time (s) 27.88
Current children cumulated vsize (KiB) 29364

[startup+28.3019 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1450360/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=28.28
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9716 0 0 0 2824 4 0 0 25 0 1 0 931440038 30068736 6361 1992294400 4194304 5092341 548682068832 18446744073709551615 4249939 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6361 100 219 0 7119 0
Current children cumulated CPU time (s) 28.28
Current children cumulated vsize (KiB) 29364

[startup+28.702 s]
/proc/loadavg: 1.00 0.99 0.91 2/74 27287
/proc/meminfo: memFree=1450360/2055920 swapFree=4176836/4192956
[pid=27286] ppid=27284 vsize=29364 CPUtime=28.68
/proc/27286/stat : 27286 (minisat) R 27284 27286 26804 0 -1 4194304 9718 0 0 0 2864 4 0 0 25 0 1 0 931440038 30068736 6363 1992294400 4194304 5092341 548682068832 18446744073709551615 4240672 0 0 4096 3 0 0 0 17 1 0 0
/proc/27286/statm: 7341 6363 100 219 0 7119 0
Current children cumulated CPU time (s) 28.68
Current children cumulated vsize (KiB) 29364

Child status: 20
Real time (s): 28.7462
CPU time (s): 28.7376
CPU user time (s): 28.6876
CPU system time (s): 0.049992
CPU usage (%): 99.9702
Max. virtual memory (cumulated for all children) (KiB): 39420

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 28.6876
system time used= 0.049992
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 9728
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= 2
involuntary context switches= 67

runsolver used 0.036994 second user time and 0.077988 second system time

The end

Launcher Data 

Begin job on node82 at 2009-04-03 11:21:54
IDJOB=1556777
IDBENCH=70825
IDSOLVER=546
FILE ID=node82/1556777-1238750514
PBS_JOBID= 9085396
Free space on /tmp= 66496 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT09/APPLICATIONS/crypto/md5gen/gus-md5-06.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1556777-1238750514/watcher-1556777-1238750514 -o /tmp/evaluation-result-1556777-1238750514/solver-1556777-1238750514 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/minisat HOME/instance-1556777-1238750514.cnf

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

MD5SUM BENCH= 54bbde63bf0c9b14dd4e32426eab0a42
RANDOM SEED=1846858871

node82.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		: 3000.232
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		: 3000.232
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:       1476256 kB
Buffers:         98032 kB
Cached:         387308 kB
SwapCached:       7320 kB
Active:         360272 kB
Inactive:       134468 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1476256 kB
SwapTotal:     4192956 kB
SwapFree:      4176836 kB
Dirty:            4984 kB
Writeback:           0 kB
Mapped:          14964 kB
Slab:            69992 kB
Committed_AS:  2542144 kB
PageTables:       1996 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66496 MiB
End job on node82 at 2009-04-03 11:22:23