Trace number 1555055

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
VARSAT-random 2009-03-22UNSAT 38.3002 38.3106

General information on the benchmark

NameAPPLICATIONS/bitverif/
icbrt/icbrt1_32.cnf
MD5SUM157e258753171ede0eac48b41cfa7b1d
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark10.2104
Satisfiable
(Un)Satisfiability was proved
Number of variables11309
Number of clauses33833
Sum of the clauses size78941
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 222554
Number of clauses of size 311277
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 ============================[ Problem Statistics ]=============================
0.00/0.00	c |                                                                             |
0.00/0.00	c |  Number of variables:  11309                                                |
0.00/0.00	c |  Number of clauses:    33833                                                |
0.00/0.04	c |  Parsing time:         0.03         s                                       |
0.00/0.04	c |  Timeout:              43200 s
0.00/0.04	c |  Random Seed:          1801690205.000000
0.00/0.04	c |  Heuristic:            EMSP-G, threshold 0.750                              |
0.00/0.04	c |  Branching Rule:       default (solution-guided)                            |
0.00/0.04	c |  Learned clauses in surveys?  Using NO learned clauses.                     |
0.00/0.04	c |                                                                             |
0.19/0.21	c ============================[ Search Statistics ]==============================
0.19/0.21	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.21	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.21	c ===============================================================================
0.19/0.21	c |         0 |    5481    24428    73115 |     8142        0    nan |  0.000 % |
0.29/0.34	c |       101 |    5481    24428    73115 |     8956      101     62 |  0.035 % |
0.39/0.49	c |       251 |    5481    24428    73115 |     9852      251     41 |  0.035 % |
0.59/0.67	c |       476 |    5480    24420    73093 |    10837      460     34 |  0.044 % |
0.89/0.98	c |       813 |    5480    24420    73093 |    11921      797     29 |  0.044 % |
1.19/1.27	c |      1319 |    5480    24420    73093 |    13113     1303     29 |  0.044 % |
1.69/1.71	c |      2079 |    5480    24420    73093 |    14425     2063     28 |  0.044 % |
2.29/2.37	c |      3219 |    5480    24420    73093 |    15867     3203     29 |  0.044 % |
3.19/3.24	c |      4929 |    5480    24420    73093 |    17454     4913     32 |  0.044 % |
4.59/4.61	c |      7491 |    5480    24420    73093 |    19199     7475     33 |  0.044 % |
7.29/7.36	c |     11335 |    5480    24420    73093 |    21119    11319     31 |  0.044 % |
11.69/11.77	c |     17101 |    5480    24420    73093 |    23231    17085     31 |  0.044 % |
19.69/19.79	c |     25750 |    5480    24420    73093 |    25555    13737     26 |  0.044 % |
32.99/33.07	c |     38724 |    5205    22780    68532 |    28110    20771     26 |  2.476 % |
38.28/38.30	c ===============================================================================
38.28/38.30	c surveys--CPU time (sec)   : 1.4838         (3.88 % of total)
38.28/38.30	c surveys--attempted        : 14             (9 /sec)
38.28/38.30	c surveys--converged        : 14             (100.00 % successful)
38.28/38.30	c restarts              : 14
38.28/38.30	c conflicts             : 43314          (1177 /sec)
38.28/38.30	c decisions             : 69073          (0.66 % random) (1878 /sec)
38.28/38.30	c propagations          : 30398228       (826277 /sec)
38.28/38.30	c conflict literals     : 1253009        (75.19 % deleted)
38.28/38.30	c Memory used           : 14.36 MB
38.28/38.30	c Total CPU time (sec)      : 38.2732     
38.28/38.30	c 
38.28/38.30	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-1555055-1238736615/watcher-1555055-1238736615 -o /tmp/evaluation-result-1555055-1238736615/solver-1555055-1238736615 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-random_static -seed=1801690205 HOME/instance-1555055-1238736615.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: 0.92 0.98 1.08 3/64 32293
/proc/meminfo: memFree=1244728/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=3112 CPUtime=0
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 483 0 0 0 0 0 0 0 18 0 1 0 1146326733 3186688 468 1992294400 4194304 5102416 548682068784 18446744073709551615 4244921 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 778 469 88 221 0 554 0

[startup+0.0549609 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 32293
/proc/meminfo: memFree=1244728/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=8672 CPUtime=0.05
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 1853 0 0 0 4 1 0 0 18 0 1 0 1146326733 8880128 1838 1992294400 4194304 5102416 548682068784 18446744073709551615 4263094 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 2168 1839 99 221 0 1944 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 8672

[startup+0.101962 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 32293
/proc/meminfo: memFree=1244728/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=10840 CPUtime=0.09
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 2354 0 0 0 8 1 0 0 18 0 1 0 1146326733 11100160 2339 1992294400 4194304 5102416 548682068784 18446744073709551615 4491479 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 2710 2339 99 221 0 2486 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10840

[startup+0.301975 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 32293
/proc/meminfo: memFree=1244728/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=12004 CPUtime=0.29
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 2908 0 0 0 28 1 0 0 19 0 1 0 1146326733 12292096 2682 1992294400 4194304 5102416 548682068784 18446744073709551615 4220070 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3001 2682 102 221 0 2777 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 12004

[startup+0.702 s]
/proc/loadavg: 0.92 0.98 1.08 3/64 32293
/proc/meminfo: memFree=1244728/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=12004 CPUtime=0.69
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 2918 0 0 0 68 1 0 0 22 0 1 0 1146326733 12292096 2692 1992294400 4194304 5102416 548682068784 18446744073709551615 4220367 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3001 2692 112 221 0 2777 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 12004

[startup+1.50105 s]
/proc/loadavg: 0.92 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1234096/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=12004 CPUtime=1.49
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 2918 0 0 0 148 1 0 0 25 0 1 0 1146326733 12292096 2692 1992294400 4194304 5102416 548682068784 18446744073709551615 4248836 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3001 2692 112 221 0 2777 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 12004

[startup+3.10215 s]
/proc/loadavg: 0.92 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1234032/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=12004 CPUtime=3.09
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 2918 0 0 0 308 1 0 0 25 0 1 0 1146326733 12292096 2692 1992294400 4194304 5102416 548682068784 18446744073709551615 4248793 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3001 2692 112 221 0 2777 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12004

[startup+6.30135 s]
/proc/loadavg: 0.93 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1233976/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=12148 CPUtime=6.29
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 2954 0 0 0 628 1 0 0 25 0 1 0 1146326733 12439552 2728 1992294400 4194304 5102416 548682068784 18446744073709551615 4254906 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3037 2728 112 221 0 2813 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 12148

[startup+12.7017 s]
/proc/loadavg: 0.93 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1232824/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=13688 CPUtime=12.68
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3309 0 0 0 1267 1 0 0 25 0 1 0 1146326733 14016512 3083 1992294400 4194304 5102416 548682068784 18446744073709551615 4249563 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3422 3083 112 221 0 3198 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 13688

[startup+25.5015 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1231608/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=14540 CPUtime=25.49
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3536 0 0 0 2547 2 0 0 25 0 1 0 1146326733 14888960 3310 1992294400 4194304 5102416 548682068784 18446744073709551615 4249573 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3635 3310 112 221 0 3411 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 14540

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

[startup+31.9059 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1231544/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=14540 CPUtime=31.89
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3544 0 0 0 3187 2 0 0 25 0 1 0 1146326733 14888960 3318 1992294400 4194304 5102416 548682068784 18446744073709551615 4254343 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3635 3318 112 221 0 3411 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 14540

[startup+35.1011 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1231352/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=14696 CPUtime=35.09
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3587 0 0 0 3507 2 0 0 25 0 1 0 1146326733 15048704 3361 1992294400 4194304 5102416 548682068784 18446744073709551615 4249451 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3674 3361 112 221 0 3450 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 14696

[startup+36.7012 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1231352/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=14696 CPUtime=36.68
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3588 0 0 0 3666 2 0 0 25 0 1 0 1146326733 15048704 3362 1992294400 4194304 5102416 548682068784 18446744073709551615 4249520 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3674 3362 112 221 0 3450 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 14696

[startup+37.5023 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1231352/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=14696 CPUtime=37.48
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3588 0 0 0 3746 2 0 0 25 0 1 0 1146326733 15048704 3362 1992294400 4194304 5102416 548682068784 18446744073709551615 4249508 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3674 3362 112 221 0 3450 0
Current children cumulated CPU time (s) 37.48
Current children cumulated vsize (KiB) 14696

[startup+37.9013 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1231352/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=14696 CPUtime=37.88
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3588 0 0 0 3786 2 0 0 25 0 1 0 1146326733 15048704 3362 1992294400 4194304 5102416 548682068784 18446744073709551615 4254906 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3674 3362 112 221 0 3450 0
Current children cumulated CPU time (s) 37.88
Current children cumulated vsize (KiB) 14696

[startup+38.3013 s]
/proc/loadavg: 0.95 0.98 1.08 2/65 32294
/proc/meminfo: memFree=1231352/2055920 swapFree=4177944/4192956
[pid=32293] ppid=32291 vsize=14696 CPUtime=38.28
/proc/32293/stat : 32293 (varsat-random_s) R 32291 32293 31897 0 -1 4194304 3588 0 0 0 3826 2 0 0 25 0 1 0 1146326733 15048704 3362 1992294400 4194304 5102416 548682068784 18446744073709551615 4250146 0 0 4096 3 0 0 0 17 1 0 0
/proc/32293/statm: 3674 3362 112 221 0 3450 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 14696

Child status: 20
Real time (s): 38.3106
CPU time (s): 38.3002
CPU user time (s): 38.2732
CPU system time (s): 0.026995
CPU usage (%): 99.9729
Max. virtual memory (cumulated for all children) (KiB): 14696

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 38.2732
system time used= 0.026995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3593
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= 91

runsolver used 0.043993 second user time and 0.095985 second system time

The end

Launcher Data 

Begin job on node29 at 2009-04-03 07:30:15
IDJOB=1555055
IDBENCH=70792
IDSOLVER=539
FILE ID=node29/1555055-1238736615
PBS_JOBID= 9085363
Free space on /tmp= 66536 MiB

SOLVER NAME= VARSAT-random 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/bitverif/icbrt/icbrt1_32.cnf
COMMAND LINE= HOME/varsat-random_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1555055-1238736615/watcher-1555055-1238736615 -o /tmp/evaluation-result-1555055-1238736615/solver-1555055-1238736615 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-random_static -seed=1801690205 HOME/instance-1555055-1238736615.cnf

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

MD5SUM BENCH= 157e258753171ede0eac48b41cfa7b1d
RANDOM SEED=1801690205

node29.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		: 3000.234
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		: 3000.234
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:       1245144 kB
Buffers:        107124 kB
Cached:         597748 kB
SwapCached:       8856 kB
Active:         275840 kB
Inactive:       439536 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1245144 kB
SwapTotal:     4192956 kB
SwapFree:      4177944 kB
Dirty:            1512 kB
Writeback:           0 kB
Mapped:          16192 kB
Slab:            81308 kB
Committed_AS:  3274060 kB
PageTables:       1476 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= 66536 MiB
End job on node29 at 2009-04-03 07:30:53