Trace number 1783527

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 19.0321 19.0366

General information on the benchmark

Namecrafted/Medium/contest05/sabharwal/
counting-clqcolor-unsat-set-b-clqcolor-08-06-07.sat05-1257.reshuffled-07.cnf
MD5SUMf1a3e3797897d8c4a2bfe10d09ad0bda
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark5.9181
Satisfiable
(Un)Satisfiability was proved
Number of variables132
Number of clauses1527
Sum of the clauses size4472
Maximum clause length8
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2168
Number of clauses of size 31344
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 515

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 |                                                                             |
0.00/0.00	c |  Number of variables:           132                                         |
0.00/0.00	c |  Number of clauses:            1527                                         |
0.00/0.00	c |  Parse time:                   0.00 s                                       |
0.00/0.00	c |  Simplification time:          0.01 s                                       |
0.00/0.00	c |                                                                             |
0.00/0.00	c ============================[ Search Statistics ]==============================
0.00/0.00	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.00	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.00	c ===============================================================================
0.00/0.00	c |       100 |     117     1512     6334 |      554      100     13 |  0.006 % |
0.00/0.01	c |       250 |     117     1512     6334 |      609      250     14 |  0.006 % |
0.00/0.01	c |       475 |     117     1512     6334 |      670      475     17 |  0.006 % |
0.01/0.01	c |       812 |     117     1512     6334 |      737      438     18 |  0.006 % |
0.01/0.02	c |      1318 |     117     1512     6334 |      811      528     15 |  0.006 % |
0.01/0.03	c |      2077 |     117     1512     6334 |      892      469     16 |  0.006 % |
0.01/0.05	c |      3216 |     117     1512     6334 |      982      694     14 |  0.006 % |
0.01/0.07	c |      4924 |     117     1512     6334 |     1080      830     16 |  0.006 % |
0.10/0.11	c |      7486 |     117     1512     6334 |     1188     1124     18 |  0.006 % |
0.10/0.18	c |     11330 |     117     1512     6334 |     1307      685     22 |  0.029 % |
0.19/0.27	c |     17096 |     117     1512     6334 |     1437      972     18 |  0.012 % |
0.39/0.41	c |     25745 |     117     1512     6334 |     1581      798     12 |  0.006 % |
0.59/0.61	c |     38719 |     117     1512     6334 |     1739      813     15 |  0.006 % |
0.89/0.92	c |     58180 |     117     1512     6334 |     1913     1671     16 |  0.006 % |
1.39/1.43	c |     87372 |     117     1512     6334 |     2105     1367     14 |  0.006 % |
2.09/2.15	c |    131161 |     117     1512     6334 |     2315     2139     19 |  0.017 % |
3.19/3.22	c |    196845 |     117     1512     6334 |     2547     1830     21 |  0.006 % |
4.79/4.89	c |    295371 |     116     1470     6147 |     2802     1805     20 |  0.763 % |
7.39/7.48	c |    443160 |     116     1470     6147 |     3082     2878     21 |  0.764 % |
11.29/11.39	c |    664843 |     116     1470     6147 |     3390     2262     19 |  0.792 % |
17.28/17.39	c |    997368 |     114     1380     5792 |     3729     3201     18 |  2.290 % |
18.98/19.03	c ===============================================================================
18.98/19.03	c restarts              : 2047
18.98/19.03	c conflicts             : 1089856        (57291 /sec)
18.98/19.03	c decisions             : 1528799        (80365 /sec)
18.98/19.03	c propagations          : 15203354       (799205 /sec)
18.98/19.03	c conflict literals     : 19069173       (24.90 % deleted)
18.98/19.03	c Memory used           : 18.50 MB
18.98/19.03	c CPU time              : 19.0231 s
18.98/19.03	c 
18.98/19.03	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-1783527-1241861794/watcher-1783527-1241861794 -o /tmp/evaluation-result-1783527-1241861794/solver-1783527-1241861794 -C 5000 -W 6000 -M 1800 HOME/minisat HOME/instance-1783527-1241861794.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.08 0.02 0.01 3/64 26864
/proc/meminfo: memFree=1605264/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=7332 CPUtime=0
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 166 0 0 0 0 0 0 0 18 0 1 0 214207019 7507968 150 1992294400 4194304 5092341 548682068848 18446744073709551615 4270144 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 1833 150 88 219 0 1611 0

[startup+0.018235 s]
/proc/loadavg: 0.08 0.02 0.01 3/64 26864
/proc/meminfo: memFree=1605264/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=7456 CPUtime=0.01
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 217 0 0 0 1 0 0 0 18 0 1 0 214207019 7634944 167 1992294400 4194304 5092341 548682068848 18446744073709551615 4265869 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 1864 167 100 219 0 1642 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 7456

[startup+0.102243 s]
/proc/loadavg: 0.08 0.02 0.01 3/64 26864
/proc/meminfo: memFree=1605264/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=17844 CPUtime=0.1
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 315 0 0 0 10 0 0 0 18 0 1 0 214207019 18272256 237 1992294400 4194304 5092341 548682068848 18446744073709551615 4250056 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4461 237 100 219 0 4239 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 17844

[startup+0.301265 s]
/proc/loadavg: 0.08 0.02 0.01 3/64 26864
/proc/meminfo: memFree=1605264/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=17844 CPUtime=0.29
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 379 0 0 0 29 0 0 0 19 0 1 0 214207019 18272256 301 1992294400 4194304 5092341 548682068848 18446744073709551615 4241067 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4461 301 100 219 0 4239 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17844

[startup+0.70231 s]
/proc/loadavg: 0.08 0.02 0.01 3/64 26864
/proc/meminfo: memFree=1605264/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=17848 CPUtime=0.69
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 467 0 0 0 69 0 0 0 22 0 1 0 214207019 18276352 346 1992294400 4194304 5092341 548682068848 18446744073709551615 4249850 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4462 346 100 219 0 4240 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17848

[startup+1.5014 s]
/proc/loadavg: 0.08 0.02 0.01 2/65 26865
/proc/meminfo: memFree=1604040/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=17848 CPUtime=1.49
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 562 0 0 0 149 0 0 0 25 0 1 0 214207019 18276352 441 1992294400 4194304 5092341 548682068848 18446744073709551615 4497406 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4462 441 100 219 0 4240 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17848

[startup+3.10158 s]
/proc/loadavg: 0.15 0.03 0.01 2/65 26865
/proc/meminfo: memFree=1603592/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=17848 CPUtime=3.09
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 631 0 0 0 309 0 0 0 25 0 1 0 214207019 18276352 510 1992294400 4194304 5092341 548682068848 18446744073709551615 4264386 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4462 510 100 219 0 4240 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 17848

[startup+6.30194 s]
/proc/loadavg: 0.15 0.03 0.01 2/65 26865
/proc/meminfo: memFree=1602504/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=6.29
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1016 0 0 0 629 0 0 0 25 0 1 0 214207019 19398656 726 1992294400 4194304 5092341 548682068848 18446744073709551615 4249550 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 726 100 219 0 4514 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18944

[startup+12.7017 s]
/proc/loadavg: 0.28 0.06 0.02 2/65 26865
/proc/meminfo: memFree=1602120/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=12.69
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1143 0 0 0 1269 0 0 0 25 0 1 0 214207019 19398656 853 1992294400 4194304 5092341 548682068848 18446744073709551615 4241107 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 853 100 219 0 4514 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 18944

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

[startup+15.902 s]
/proc/loadavg: 0.28 0.06 0.02 2/65 26865
/proc/meminfo: memFree=1601864/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=15.88
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1171 0 0 0 1588 0 0 0 25 0 1 0 214207019 19398656 881 1992294400 4194304 5092341 548682068848 18446744073709551615 4252535 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 881 100 219 0 4514 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 18944

[startup+17.5012 s]
/proc/loadavg: 0.34 0.08 0.02 2/65 26865
/proc/meminfo: memFree=1601672/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=17.49
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1212 0 0 0 1749 0 0 0 25 0 1 0 214207019 19398656 922 1992294400 4194304 5092341 548682068848 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 922 100 219 0 4514 0
Current children cumulated CPU time (s) 17.49
Current children cumulated vsize (KiB) 18944

[startup+18.3013 s]
/proc/loadavg: 0.34 0.08 0.02 2/65 26865
/proc/meminfo: memFree=1601672/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=18.28
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1236 0 0 0 1828 0 0 0 25 0 1 0 214207019 19398656 946 1992294400 4194304 5092341 548682068848 18446744073709551615 4241089 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 946 100 219 0 4514 0
Current children cumulated CPU time (s) 18.28
Current children cumulated vsize (KiB) 18944

[startup+18.7053 s]
/proc/loadavg: 0.34 0.08 0.02 2/65 26865
/proc/meminfo: memFree=1601544/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=18.69
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1253 0 0 0 1869 0 0 0 25 0 1 0 214207019 19398656 963 1992294400 4194304 5092341 548682068848 18446744073709551615 4241089 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 963 100 219 0 4514 0
Current children cumulated CPU time (s) 18.69
Current children cumulated vsize (KiB) 18944

[startup+18.9013 s]
/proc/loadavg: 0.34 0.08 0.02 2/65 26865
/proc/meminfo: memFree=1601544/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=18.88
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1253 0 0 0 1888 0 0 0 25 0 1 0 214207019 19398656 963 1992294400 4194304 5092341 548682068848 18446744073709551615 4241380 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 963 100 219 0 4514 0
Current children cumulated CPU time (s) 18.88
Current children cumulated vsize (KiB) 18944

[startup+19.0014 s]
/proc/loadavg: 0.34 0.08 0.02 2/65 26865
/proc/meminfo: memFree=1601544/2055920 swapFree=4191900/4192956
[pid=26864] ppid=26862 vsize=18944 CPUtime=18.98
/proc/26864/stat : 26864 (minisat) R 26862 26864 26827 0 -1 4194304 1256 0 0 0 1898 0 0 0 25 0 1 0 214207019 19398656 966 1992294400 4194304 5092341 548682068848 18446744073709551615 4250134 0 0 4096 3 0 0 0 17 1 0 0
/proc/26864/statm: 4736 966 100 219 0 4514 0
Current children cumulated CPU time (s) 18.98
Current children cumulated vsize (KiB) 18944

Child status: 20
Real time (s): 19.0366
CPU time (s): 19.0321
CPU user time (s): 19.0231
CPU system time (s): 0.008998
CPU usage (%): 99.9764
Max. virtual memory (cumulated for all children) (KiB): 18944

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.0231
system time used= 0.008998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1266
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= 34

runsolver used 0.012998 second user time and 0.052991 second system time

The end

Launcher Data 

Begin job on node62 at 2009-05-09 11:36:35
IDJOB=1783527
IDBENCH=24579
IDSOLVER=608
FILE ID=node62/1783527-1241861794
PBS_JOBID= 9264553
Free space on /tmp= 66472 MiB

SOLVER NAME= MiniSat 2.1 (Sat-race'08 Edition)
BENCH NAME= SAT07/crafted/Medium/contest05/sabharwal/counting-clqcolor-unsat-set-b-clqcolor-08-06-07.sat05-1257.reshuffled-07.cnf
COMMAND LINE= HOME/minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1783527-1241861794/watcher-1783527-1241861794 -o /tmp/evaluation-result-1783527-1241861794/solver-1783527-1241861794 -C 5000 -W 6000 -M 1800  HOME/minisat HOME/instance-1783527-1241861794.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= f1a3e3797897d8c4a2bfe10d09ad0bda
RANDOM SEED=935682497

node62.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		: 3000.220
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		: 3000.220
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:       1605744 kB
Buffers:         26728 kB
Cached:         352104 kB
SwapCached:        268 kB
Active:          60780 kB
Inactive:       332752 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1605744 kB
SwapTotal:     4192956 kB
SwapFree:      4191900 kB
Dirty:            1168 kB
Writeback:           0 kB
Mapped:          23224 kB
Slab:            42452 kB
Committed_AS:   543704 kB
PageTables:       1456 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= 66472 MiB
End job on node62 at 2009-05-09 11:36:54