Trace number 312261

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, and are wall clock time (not CPU 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
minimarch 2007-02-08SAT 35.7036 35.7152

General information on the benchmark

Namerandom/2+p/p0.8/v1665/
unif2p-p0.8-v1665-c5178-S1386858597-08-SAT.cnf
MD5SUMd278f0ab23fc6647da28c17830cf2da7
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.261959
Satisfiable
(Un)Satisfiability was proved
Number of variables1665
Number of clauses5177
Sum of the clauses size14496
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21035
Number of clauses of size 34142
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.00	This is MiniMarch, a modified version of MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  1665                                                 |
0.00/0.00	|  Number of clauses:    5177                                                 |
0.00/0.01	|  Parsing time:         0.01         s                                       |
0.00/0.03	============================[ Search Statistics ]==============================
0.00/0.03	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.00/0.03	===============================================================================
0.00/0.03	|         0 |    1389     4784    14299 |     1594        0    nan |  0.000 % |
0.00/0.03	|       100 |    1389     4784    14299 |     1754      100     16 |  0.000 % |
0.00/0.04	|       250 |    1389     4784    14299 |     1929      250     18 |  0.000 % |
0.00/0.06	|       476 |    1389     4784    14299 |     2122      476     20 |  0.000 % |
0.00/0.09	|       813 |    1388     4780    14290 |     2334      812     19 |  0.060 % |
0.10/0.13	|      1320 |    1388     4780    14290 |     2568     1319     20 |  0.060 % |
0.10/0.20	|      2079 |    1388     4780    14290 |     2825     2078     20 |  0.060 % |
0.30/0.32	|      3218 |    1388     4780    14290 |     3107     1768     21 |  0.060 % |
0.41/0.48	|      4927 |    1388     4780    14290 |     3418     1838     18 |  0.061 % |
0.71/0.74	|      7489 |    1388     4780    14290 |     3760     2589     21 |  0.060 % |
1.12/1.17	|     11335 |    1388     4780    14290 |     4136     2467     22 |  0.060 % |
1.73/1.84	|     17101 |    1388     4780    14290 |     4549     4008     22 |  0.060 % |
2.76/2.86	|     25750 |    1388     4780    14290 |     5004     3250     20 |  0.060 % |
4.40/4.42	|     38725 |    1388     4780    14290 |     5505     3351     19 |  0.060 % |
6.86/6.95	|     58186 |    1388     4780    14290 |     6055     3006     23 |  0.060 % |
10.74/10.79	|     87378 |    1388     4780    14290 |     6661     4279     19 |  0.061 % |
16.68/16.77	|    131168 |    1388     4780    14290 |     7327     3684     19 |  0.060 % |
26.11/26.21	|    196852 |    1388     4780    14290 |     8060     5893     22 |  0.060 % |
35.63/35.71	===============================================================================
35.63/35.71	lookaheads            : 281884
35.63/35.71	variable balance      : 0.00
35.63/35.71	restarts              : 18
35.63/35.71	conflicts             : 262318         (7350 /sec)
35.63/35.71	decisions             : 281885         (1.70 % random) (7898 /sec)
35.63/35.71	decision = positive   : 135437
35.63/35.71	decision = negative   : 146447
35.63/35.71	propagations          : 52709278       (1476799 /sec)
35.63/35.71	conflict literals     : 6043114        (40.56 % deleted)
35.63/35.71	Memory used           : 4.01 MB
35.63/35.71	CPU time              : 35.6916 s
35.63/35.71	
35.63/35.71	s SATISFIABLE
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-1479 1480 -1481 -1482 1483 1484 1485 1486 1487 1488 -1489 1490 1491 -1492 1493 1494 -1495 1496 -1497 -1498 1499 -1500 1501 1502 1503 1504 1505 1506 -1507 1508 -1509 1510 -1511 1512 1513 1514 1515 -1516 -1517 1518 -1519 -1520 1521 -1522 -1523 -1524 1525 -1526 1527 -1528 1529 1530 -1531 1532 1533 1534 -1535 1536 1537 1538 1539 1540 1541 -1542 -1543 -1544 1545 -1546 -1547 -1548 1549 1550 1551 1552 1553 -1554 1555 1556 -1557 -1558 -1559 -1560 -1561 -1562 -1563 1564 1565 1566 -1567 -1568 1569 1570 1571 -1572 -1573 -1574 -1575 -1576 1577 1578 -1579 1580 1581 1582 1583 1584 -1585 1586 1587 1588 1589 -1590 1591 1592 -1593 1594 1595 1596 1597 1598 1599 1600 1601 -1602 1603 1604 -1605 1606 -1607 1608 -1609 1610 1611 1612 -1613 1614 -1615 1616 -1617 -1618 1619 1620 1621 1622 -1623 1624 -1625 1626 -1627 1628 1629 1630 -1631 -1632 -1633 -1634 1635 1636 1637 1638 -1639 -1640 -1641 1642 -1643 1644 1645 -1646 -1647 1648 -1649 -1650 1651 1652 1653 -1654 -1655 1656 -1657 -1658 1659 1660 1661 -1662 1663 -1664 1665 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node59/watcher-312261-1172584405 -o ROOT/results/node59/solver-312261-1172584405 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/312261-1172584405/minimarch /tmp/evaluation/312261-1172584405/instance-312261-1172584405.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.81 0.95 0.93 3/64 9557
/proc/meminfo: memFree=1843296/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=2132 CPUtime=0
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 197 0 0 0 0 0 0 0 18 0 1 0 278397224 2183168 181 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134691888 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 533 181 51 132 0 398 0

[startup+0.10695 s]
/proc/loadavg: 0.81 0.95 0.93 3/64 9557
/proc/meminfo: memFree=1843296/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=2384 CPUtime=0.1
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 282 0 0 0 10 0 0 0 18 0 1 0 278397224 2441216 266 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134550899 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 596 266 66 132 0 461 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2384

[startup+0.514994 s]
/proc/loadavg: 0.81 0.95 0.93 3/64 9557
/proc/meminfo: memFree=1843296/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=2516 CPUtime=0.51
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 328 0 0 0 51 0 0 0 21 0 1 0 278397224 2576384 312 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551284 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 629 312 66 132 0 494 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2516

[startup+1.33508 s]
/proc/loadavg: 0.81 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1842072/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=2780 CPUtime=1.33
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 373 0 0 0 133 0 0 0 25 0 1 0 278397224 2846720 357 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551269 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 695 357 66 132 0 560 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 2780

[startup+2.97127 s]
/proc/loadavg: 0.81 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1841816/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=2912 CPUtime=2.96
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 409 0 0 0 296 0 0 0 25 0 1 0 278397224 2981888 393 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134558018 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 728 393 66 132 0 593 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 2912

[startup+6.25263 s]
/proc/loadavg: 0.82 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1841440/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3176 CPUtime=6.24
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 484 0 0 0 624 0 0 0 25 0 1 0 278397224 3252224 468 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551227 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 794 468 66 132 0 659 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 3176

[startup+12.7073 s]
/proc/loadavg: 0.84 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1841056/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3440 CPUtime=12.69
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 559 0 0 0 1269 0 0 0 25 0 1 0 278397224 3522560 543 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551352 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 860 543 66 132 0 725 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3440

[startup+25.6088 s]
/proc/loadavg: 0.87 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1840608/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3968 CPUtime=25.6
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 668 0 0 0 2559 1 0 0 25 0 1 0 278397224 4063232 652 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134558018 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 992 652 66 132 0 857 0
Current children cumulated CPU time (s) 25.6
Current children cumulated vsize (KiB) 3968

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

[startup+26.2248 s]
/proc/loadavg: 0.87 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1840608/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3968 CPUtime=26.21
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 668 0 0 0 2620 1 0 0 25 0 1 0 278397224 4063232 652 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551152 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 992 652 66 132 0 857 0
Current children cumulated CPU time (s) 26.21
Current children cumulated vsize (KiB) 3968

[startup+29.5022 s]
/proc/loadavg: 0.88 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1840608/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3968 CPUtime=29.49
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 677 0 0 0 2948 1 0 0 25 0 1 0 278397224 4063232 661 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551185 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 992 661 66 132 0 857 0
Current children cumulated CPU time (s) 29.49
Current children cumulated vsize (KiB) 3968

[startup+32.7816 s]
/proc/loadavg: 0.88 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1840544/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3968 CPUtime=32.77
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 683 0 0 0 3276 1 0 0 25 0 1 0 278397224 4063232 667 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134550941 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 992 667 66 132 0 857 0
Current children cumulated CPU time (s) 32.77
Current children cumulated vsize (KiB) 3968

[startup+34.4177 s]
/proc/loadavg: 0.88 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1840544/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3968 CPUtime=34.4
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 692 0 0 0 3439 1 0 0 25 0 1 0 278397224 4063232 676 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551713 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 992 676 66 132 0 857 0
Current children cumulated CPU time (s) 34.4
Current children cumulated vsize (KiB) 3968

[startup+35.2378 s]
/proc/loadavg: 0.89 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1840544/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=3968 CPUtime=35.22
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 693 0 0 0 3521 1 0 0 25 0 1 0 278397224 4063232 677 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134551219 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 992 677 66 132 0 857 0
Current children cumulated CPU time (s) 35.22
Current children cumulated vsize (KiB) 3968

[startup+35.6459 s]
/proc/loadavg: 0.89 0.95 0.93 2/65 9558
/proc/meminfo: memFree=1840544/2055920 swapFree=4183504/4192956
[pid=9557] ppid=9555 vsize=4100 CPUtime=35.63
/proc/9557/stat : 9557 (minimarch) R 9555 9557 8925 0 -1 4194304 707 0 0 0 3562 1 0 0 25 0 1 0 278397224 4198400 691 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134552923 0 0 4096 3 0 0 0 17 1 0 0
/proc/9557/statm: 1025 691 66 132 0 890 0
Current children cumulated CPU time (s) 35.63
Current children cumulated vsize (KiB) 4100

Child status: 10
Real time (s): 35.7152
CPU time (s): 35.7036
CPU user time (s): 35.6926
CPU system time (s): 0.010998
CPU usage (%): 99.9674
Max. virtual memory (cumulated for all children) (KiB): 4100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 35.6926
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 714
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= 7
involuntary context switches= 28

runsolver used 0.021996 second user time and 0.079987 second system time

The end

Launcher Data (download as text)

Begin job on node59 on Tue Feb 27 13:53:25 UTC 2007

IDJOB= 312261
IDBENCH= 20337
IDSOLVER= 110
FILE ID= node59/312261-1172584405

PBS_JOBID= 3971924

Free space on /tmp= 66556 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1665/unif2p-p0.8-v1665-c5178-S1386858597-08-SAT.cnf
COMMAND LINE= /tmp/evaluation/312261-1172584405/minimarch /tmp/evaluation/312261-1172584405/instance-312261-1172584405.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node59/watcher-312261-1172584405 -o ROOT/results/node59/solver-312261-1172584405 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/312261-1172584405/minimarch /tmp/evaluation/312261-1172584405/instance-312261-1172584405.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  d278f0ab23fc6647da28c17830cf2da7

RANDOM SEED= 595109271

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node59.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.225
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		: 3000.225
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:       1843640 kB
Buffers:         31856 kB
Cached:         133144 kB
SwapCached:       3232 kB
Active:          87868 kB
Inactive:        86776 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1843640 kB
SwapTotal:     4192956 kB
SwapFree:      4183504 kB
Dirty:            2492 kB
Writeback:           0 kB
Mapped:          15388 kB
Slab:            23588 kB
Committed_AS:   570760 kB
PageTables:       1472 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= 66556 MiB

End job on node59 on Tue Feb 27 13:54:01 UTC 2007