Trace number 1553338

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-industrial 2009-03-22UNSAT 23.8164 23.8264

General information on the benchmark

NameAPPLICATIONS/bitverif/
minxorminand/minxorminand032.cnf
MD5SUM49dda3faa6676166ee2ccb89f6cd8ca0
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark7.59684
Satisfiable
(Un)Satisfiability was proved
Number of variables10794
Number of clauses31997
Sum of the clauses size74657
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 221330
Number of clauses of size 310665
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:  10794                                                |
0.00/0.00	c |  Number of clauses:    31997                                                |
0.00/0.04	c |  Parsing time:         0.04         s                                       |
0.00/0.04	c |  Timeout:              43200 s
0.00/0.04	c |  Random Seed:          1800098972.000000
0.00/0.04	c |  Heuristic:            EMBP-G, threshold 0.950                              |
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 |                                                                             |
0.49/0.50	c ============================[ Search Statistics ]==============================
0.49/0.50	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.49/0.50	c |           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.49/0.50	c ===============================================================================
0.49/0.50	c |         0 |    1541    13181   101003 |     4393        0    nan |  0.000 % |
0.59/0.63	c |       100 |    1540    13181   101003 |     4833       99     16 |  0.102 % |
0.69/0.75	c |       250 |    1539    13181   101003 |     5316      248     31 |  0.111 % |
0.79/0.87	c |       483 |    1538    13181   101003 |     5847      480     31 |  0.120 % |
0.99/1.02	c |       820 |    1537    13181   101003 |     6432      816     34 |  0.130 % |
1.09/1.17	c |      1326 |    1536    13051   100742 |     7076     1320     50 |  0.139 % |
1.29/1.35	c |      2085 |    1535    13051   100742 |     7783     2078     65 |  0.148 % |
1.49/1.58	c |      3224 |    1535    12987   100614 |     8562     3215     57 |  0.148 % |
1.79/1.85	c |      4934 |    1535    12987   100614 |     9418     4925     55 |  0.148 % |
2.19/2.25	c |      7496 |    1534    12954   100456 |    10360     4633     75 |  0.157 % |
2.89/2.96	c |     11341 |    1533    12954   100456 |    11396     8477    119 |  0.167 % |
3.88/3.91	c |     17107 |    1532    12922   100361 |    12535     8378     88 |  0.176 % |
5.69/5.77	c |     25758 |    1530    12922   100361 |    13789    10395    108 |  0.195 % |
8.59/8.67	c |     38732 |    1528    12823   100040 |    15168     9161    108 |  0.213 % |
14.68/14.74	c |     58193 |    1523    12757    99846 |    16684    13082     87 |  0.259 % |
20.69/20.78	c |     87388 |    1523    12652    99544 |    18353    16811     77 |  0.269 % |
23.79/23.82	c ===============================================================================
23.79/23.82	c surveys--CPU time (sec)   : 1.7227         (7.24 % of total)
23.79/23.82	c surveys--attempted        : 16             (9 /sec)
23.79/23.82	c surveys--converged        : 16             (100.00 % successful)
23.79/23.82	c restarts              : 16
23.79/23.82	c conflicts             : 103882         (4709 /sec)
23.79/23.82	c decisions             : 436230         (1.46 % random) (19776 /sec)
23.79/23.82	c propagations          : 10916029       (494864 /sec)
23.79/23.82	c conflict literals     : 10389450       (28.62 % deleted)
23.79/23.82	c Memory used           : 24.44 MB
23.79/23.82	c Total CPU time (sec)      : 23.7814     
23.79/23.82	c 
23.79/23.82	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-1553338-1238713748/watcher-1553338-1238713748 -o /tmp/evaluation-result-1553338-1238713748/solver-1553338-1238713748 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/varsat-industrial_static -seed=1800098972 HOME/instance-1553338-1238713748.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: 0.99 1.00 1.03 3/72 32446
/proc/meminfo: memFree=1504480/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=3232 CPUtime=0
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 503 0 0 0 0 0 0 0 18 0 1 0 1144035981 3309568 488 1992294400 4194304 5102648 548682068784 18446744073709551615 4198400 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 808 489 87 221 0 584 0

[startup+0.078128 s]
/proc/loadavg: 0.99 1.00 1.03 3/72 32446
/proc/meminfo: memFree=1504480/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=9672 CPUtime=0.06
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 2069 0 0 0 6 0 0 0 18 0 1 0 1144035981 9904128 2054 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 2418 2055 100 221 0 2194 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 9672

[startup+0.101132 s]
/proc/loadavg: 0.99 1.00 1.03 3/72 32446
/proc/meminfo: memFree=1504480/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=10596 CPUtime=0.09
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 2303 0 0 0 9 0 0 0 18 0 1 0 1144035981 10850304 2289 1992294400 4194304 5102648 548682068784 18446744073709551615 4492085 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 2649 2289 100 221 0 2425 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10596

[startup+0.301168 s]
/proc/loadavg: 0.99 1.00 1.03 3/72 32446
/proc/meminfo: memFree=1504480/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=17232 CPUtime=0.29
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 3883 0 0 0 28 1 0 0 19 0 1 0 1144035981 17645568 3868 1992294400 4194304 5102648 548682068784 18446744073709551615 4283573 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 4308 3868 100 221 0 4084 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17232

[startup+0.701241 s]
/proc/loadavg: 0.99 1.00 1.03 3/72 32446
/proc/meminfo: memFree=1504480/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=17076 CPUtime=0.69
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 4143 0 0 0 68 1 0 0 22 0 1 0 1144035981 17485824 3906 1992294400 4194304 5102648 548682068784 18446744073709551615 4214211 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 4269 3906 115 221 0 4045 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17076

[startup+1.50139 s]
/proc/loadavg: 0.99 1.00 1.03 2/73 32447
/proc/meminfo: memFree=1489048/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=17076 CPUtime=1.49
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 4143 0 0 0 148 1 0 0 25 0 1 0 1144035981 17485824 3906 1992294400 4194304 5102648 548682068784 18446744073709551615 4249923 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 4269 3906 115 221 0 4045 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 17076

[startup+3.10168 s]
/proc/loadavg: 0.99 1.00 1.03 2/73 32447
/proc/meminfo: memFree=1488856/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=18668 CPUtime=3.09
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 4529 0 0 0 308 1 0 0 25 0 1 0 1144035981 19116032 4292 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 4667 4292 115 221 0 4443 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 18668

[startup+6.30126 s]
/proc/loadavg: 0.99 1.00 1.03 2/73 32447
/proc/meminfo: memFree=1485872/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=20508 CPUtime=6.29
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 5004 0 0 0 627 2 0 0 25 0 1 0 1144035981 21000192 4767 1992294400 4194304 5102648 548682068784 18446744073709551615 4491703 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 5127 4767 115 221 0 4903 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 20508

[startup+12.7014 s]
/proc/loadavg: 0.99 1.00 1.02 2/73 32447
/proc/meminfo: memFree=1481840/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=24236 CPUtime=12.68
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 5936 0 0 0 1266 2 0 0 25 0 1 0 1144035981 24817664 5699 1992294400 4194304 5102648 548682068784 18446744073709551615 4249787 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 6059 5699 115 221 0 5835 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 24236

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

[startup+19.1016 s]
/proc/loadavg: 0.99 1.00 1.02 2/73 32447
/proc/meminfo: memFree=1481584/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=24544 CPUtime=19.08
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 5998 0 0 0 1906 2 0 0 25 0 1 0 1144035981 25133056 5761 1992294400 4194304 5102648 548682068784 18446744073709551615 4249879 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 6136 5761 115 221 0 5912 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 24544

[startup+22.3012 s]
/proc/loadavg: 0.99 1.00 1.02 2/73 32447
/proc/meminfo: memFree=1481264/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=25024 CPUtime=22.29
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 6084 0 0 0 2226 3 0 0 25 0 1 0 1144035981 25624576 5847 1992294400 4194304 5102648 548682068784 18446744073709551615 4249945 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 6256 5847 115 221 0 6032 0
Current children cumulated CPU time (s) 22.29
Current children cumulated vsize (KiB) 25024

[startup+23.1053 s]
/proc/loadavg: 0.99 1.00 1.02 2/73 32447
/proc/meminfo: memFree=1481200/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=25024 CPUtime=23.09
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 6086 0 0 0 2306 3 0 0 25 0 1 0 1144035981 25624576 5849 1992294400 4194304 5102648 548682068784 18446744073709551615 4249867 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 6256 5849 115 221 0 6032 0
Current children cumulated CPU time (s) 23.09
Current children cumulated vsize (KiB) 25024

[startup+23.5014 s]
/proc/loadavg: 0.99 1.00 1.02 2/73 32447
/proc/meminfo: memFree=1481200/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=25024 CPUtime=23.49
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 6086 0 0 0 2346 3 0 0 25 0 1 0 1144035981 25624576 5849 1992294400 4194304 5102648 548682068784 18446744073709551615 4249196 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 6256 5849 115 221 0 6032 0
Current children cumulated CPU time (s) 23.49
Current children cumulated vsize (KiB) 25024

[startup+23.7014 s]
/proc/loadavg: 0.99 1.00 1.02 2/73 32447
/proc/meminfo: memFree=1481200/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=25024 CPUtime=23.69
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 6086 0 0 0 2366 3 0 0 25 0 1 0 1144035981 25624576 5849 1992294400 4194304 5102648 548682068784 18446744073709551615 4249017 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 6256 5849 115 221 0 6032 0
Current children cumulated CPU time (s) 23.69
Current children cumulated vsize (KiB) 25024

[startup+23.8014 s]
/proc/loadavg: 0.99 1.00 1.02 2/73 32447
/proc/meminfo: memFree=1481200/2055920 swapFree=4174708/4192956
[pid=32446] ppid=32444 vsize=25024 CPUtime=23.79
/proc/32446/stat : 32446 (varsat-industri) R 32444 32446 32303 0 -1 4194304 6086 0 0 0 2376 3 0 0 25 0 1 0 1144035981 25624576 5849 1992294400 4194304 5102648 548682068784 18446744073709551615 4249362 0 0 4096 3 0 0 0 17 1 0 0
/proc/32446/statm: 6256 5849 115 221 0 6032 0
Current children cumulated CPU time (s) 23.79
Current children cumulated vsize (KiB) 25024

Child status: 20
Real time (s): 23.8264
CPU time (s): 23.8164
CPU user time (s): 23.7814
CPU system time (s): 0.034994
CPU usage (%): 99.9579
Max. virtual memory (cumulated for all children) (KiB): 25024

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.7814
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6091
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= 32

runsolver used 0.029995 second user time and 0.066989 second system time

The end

Launcher Data 

Begin job on node67 at 2009-04-03 01:09:08
IDJOB=1553338
IDBENCH=70759
IDSOLVER=538
FILE ID=node67/1553338-1238713748
PBS_JOBID= 9085306
Free space on /tmp= 66376 MiB

SOLVER NAME= VARSAT-industrial 2009-03-22
BENCH NAME= SAT09/APPLICATIONS/bitverif/minxorminand/minxorminand032.cnf
COMMAND LINE= HOME/varsat-industrial_static -seed=RANDOMSEED BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1553338-1238713748/watcher-1553338-1238713748 -o /tmp/evaluation-result-1553338-1238713748/solver-1553338-1238713748 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/varsat-industrial_static -seed=1800098972 HOME/instance-1553338-1238713748.cnf

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

MD5SUM BENCH= 49dda3faa6676166ee2ccb89f6cd8ca0
RANDOM SEED=1800098972

node67.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		: 3000.265
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		: 3000.265
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:       1504896 kB
Buffers:         89432 kB
Cached:         365172 kB
SwapCached:       9904 kB
Active:         246580 kB
Inactive:       219448 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1504896 kB
SwapTotal:     4192956 kB
SwapFree:      4174708 kB
Dirty:            1484 kB
Writeback:           0 kB
Mapped:          17000 kB
Slab:            70016 kB
Committed_AS:  3435064 kB
PageTables:       2052 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= 66376 MiB
End job on node67 at 2009-04-03 01:09:32