Trace number 1562099

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
clasp 1.2.0-SAT09-32SAT 27.2409 27.2502

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_4_9_all.cnf
MD5SUMd78c1359306a87fe47f1b830ca255359
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.791878
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses40187
Sum of the clauses size98603
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 228680
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data 

27.19/27.24	c clasp version 1.2.0-SAT09 
27.19/27.24	c Reading from ...770427/instance-1562099-1238770427.cnf
27.19/27.24	c Reading      : Done(0.020s)
27.19/27.24	c Preprocessing: |-\Done(0.070s)
27.19/27.24	c Solving...
27.19/27.24	c Model: 1
27.19/27.24	v -1 -2 3 -4 -5 -6 -7 -8 -9 -10
27.19/27.24	v -11 -12 -13 14 -15 -16 -17 -18 -19 -20
27.19/27.24	v -21 -22 -23 -24 -25 -26 -27 -28 -29 -30
27.19/27.24	v -31 -32 33 -34 -35 -36 -37 -38 -39 -40
27.19/27.24	v -41 -42 -43 -44 -45 -46 -47 -48 -49 -50
27.19/27.24	v -51 52 -53 -54 -55 -56 -57 -58 -59 -60
27.19/27.24	v -61 -62 -63 -64 -65 -66 -67 -68 -69 -70
27.19/27.24	v 71 -72 -73 -74 -75 -76 -77 -78 -79 -80
27.19/27.24	v -81 -82 -83 -84 -85 -86 -87 -88 -89 90
27.19/27.24	v -91 -92 -93 -94 -95 -96 -97 -98 -99 -100
27.19/27.24	v -101 -102 -103 -104 105 -106 -107 -108 -109 -110
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27.19/27.24	v -1221 1222 -1223 -1224 -1225 -1226 1227 -1228 -1229 -1230
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27.19/27.24	v 1251 -1252 -1253 -1254 -1255 -1256 1257 -1258 -1259 -1260
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27.19/27.24	v -1401 -1402 -1403 -1404 -1405 -1406 1407 -1408 -1409 -1410
27.19/27.24	v 1411 -1412 -1413 -1414 -1415 -1416 -1417 -1418 -1419 -1420
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27.19/27.24	v -1491 1492 -1493 -1494 -1495 1496 -1497 -1498 -1499 -1500
27.19/27.24	v -1501 1502 -1503 -1504 -1505 -1506 -1507 -1508 -1509 1510
27.19/27.24	v -1511 -1512 -1513 -1514 -1515 -1516 -1517 -1518 -1519 -1520
27.19/27.24	v -1521 1522 -1523 -1524 -1525 -1526 -1527 -1528 -1529 1530
27.19/27.24	v -1531 -1532 -1533 -1534 -1535 -1536 -1537 1538 -1539 -1540
27.19/27.24	v -1541 -1542 1543 -1544 -1545 -1546 1547 -1548 -1549 -1550
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27.19/27.24	v -1581 -1582 -1583 -1584 -1585 1586 -1587 -1588 -1589 -1590
27.19/27.24	v -1591 -1592 -1593 -1594 -1595 -1596 1597 -1598 -1599 -1600
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27.19/27.24	v -1611 -1612 -1613 1614 -1615 -1616 -1617 -1618 -1619 -1620
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27.19/27.24	v -1631 -1632 -1633 -1634 -1635 1636 -1637 -1638 -1639 -1640
27.19/27.24	v -1641 -1642 -1643 1644 -1645 -1646 -1647 -1648 -1649 -1650
27.19/27.24	v -1651 -1652 1653 -1654 1655 -1656 -1657 -1658 1659 -1660
27.19/27.24	v -1661 -1662 1663 -1664 -1665 -1666 1667 -1668 -1669 -1670
27.19/27.24	v -1671 -1672 1673 -1674 -1675 1676 -1677 0 
27.19/27.25	
27.19/27.25	c Models    : 1+    
27.19/27.25	c Time         : 27.230s (Solve: 27.140s)
27.19/27.25	s SATISFIABLE

Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1562099-1238770427/watcher-1562099-1238770427 -o /tmp/evaluation-result-1562099-1238770427/solver-1562099-1238770427 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/clasp --file=HOME/instance-1562099-1238770427.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512 

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 0.97 0.98 3/73 8152
/proc/meminfo: memFree=1533944/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=2140 CPUtime=0
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 280 0 0 0 0 0 0 0 20 0 1 0 1149706613 2191360 264 1992294400 134512640 136057169 4294956160 18446744073709551615 134767168 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 535 264 144 377 0 155 0

[startup+0.00751404 s]
/proc/loadavg: 0.99 0.97 0.98 3/73 8152
/proc/meminfo: memFree=1533944/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=2276 CPUtime=0
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 313 0 0 0 0 0 0 0 20 0 1 0 1149706613 2330624 297 1992294400 134512640 136057169 4294956160 18446744073709551615 134767168 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 569 297 144 377 0 189 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2276

[startup+0.101523 s]
/proc/loadavg: 0.99 0.97 0.98 3/73 8152
/proc/meminfo: memFree=1533944/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=3628 CPUtime=0.09
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 812 0 0 0 9 0 0 0 20 0 1 0 1149706613 3715072 704 1992294400 134512640 136057169 4294956160 18446744073709551615 134811624 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 907 704 178 377 0 527 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3628

[startup+0.301541 s]
/proc/loadavg: 0.99 0.97 0.98 3/73 8152
/proc/meminfo: memFree=1533944/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=3628 CPUtime=0.29
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 816 0 0 0 29 0 0 0 22 0 1 0 1149706613 3715072 708 1992294400 134512640 136057169 4294956160 18446744073709551615 134823846 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 907 708 182 377 0 527 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3628

[startup+0.701582 s]
/proc/loadavg: 0.99 0.97 0.98 3/73 8152
/proc/meminfo: memFree=1533944/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=4552 CPUtime=0.69
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 1016 0 0 0 69 0 0 0 25 0 1 0 1149706613 4661248 908 1992294400 134512640 136057169 4294956160 18446744073709551615 135443142 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 1138 908 182 377 0 758 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4552

[startup+1.50166 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1530224/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=5608 CPUtime=1.49
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 1298 0 0 0 149 0 0 0 25 0 1 0 1149706613 5742592 1190 1992294400 134512640 136057169 4294956160 18446744073709551615 134637510 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 1402 1190 182 377 0 1022 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5608

[startup+3.10182 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1529392/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=6268 CPUtime=3.09
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 1443 0 0 0 309 0 0 0 25 0 1 0 1149706613 6418432 1335 1992294400 134512640 136057169 4294956160 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 1567 1335 182 377 0 1187 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6268

[startup+6.30115 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1527792/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=7456 CPUtime=6.29
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 1757 0 0 0 629 0 0 0 25 0 1 0 1149706613 7634944 1649 1992294400 134512640 136057169 4294956160 18446744073709551615 134618270 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 1864 1649 182 377 0 1484 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 7456

[startup+12.7018 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1526456/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=8788 CPUtime=12.68
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 2079 0 0 0 1268 0 0 0 25 0 1 0 1149706613 8998912 1971 1992294400 134512640 136057169 4294956160 18446744073709551615 134618243 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 2197 1971 182 377 0 1817 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 8788

[startup+25.5011 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1524984/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=10264 CPUtime=25.49
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 2450 0 0 0 2548 1 0 0 25 0 1 0 1149706613 10510336 2342 1992294400 134512640 136057169 4294956160 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 2566 2342 182 377 0 2186 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 10264

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

[startup+26.3012 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1524984/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=10264 CPUtime=26.29
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 2450 0 0 0 2628 1 0 0 25 0 1 0 1149706613 10510336 2342 1992294400 134512640 136057169 4294956160 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 2566 2342 182 377 0 2186 0
Current children cumulated CPU time (s) 26.29
Current children cumulated vsize (KiB) 10264

[startup+26.7012 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1524984/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=10264 CPUtime=26.69
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 2450 0 0 0 2668 1 0 0 25 0 1 0 1149706613 10510336 2342 1992294400 134512640 136057169 4294956160 18446744073709551615 134618141 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 2566 2342 182 377 0 2186 0
Current children cumulated CPU time (s) 26.69
Current children cumulated vsize (KiB) 10264

[startup+27.1012 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1524984/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=10264 CPUtime=27.09
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 2450 0 0 0 2708 1 0 0 25 0 1 0 1149706613 10510336 2342 1992294400 134512640 136057169 4294956160 18446744073709551615 134823889 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 2566 2342 182 377 0 2186 0
Current children cumulated CPU time (s) 27.09
Current children cumulated vsize (KiB) 10264

[startup+27.2013 s]
/proc/loadavg: 0.99 0.97 0.98 2/74 8153
/proc/meminfo: memFree=1524984/2055920 swapFree=4177652/4192956
[pid=8152] ppid=8150 vsize=10264 CPUtime=27.19
/proc/8152/stat : 8152 (clasp) R 8150 8152 8058 0 -1 4194304 2450 0 0 0 2718 1 0 0 25 0 1 0 1149706613 10510336 2342 1992294400 134512640 136057169 4294956160 18446744073709551615 134823406 0 0 4096 16386 0 0 0 17 1 0 0
/proc/8152/statm: 2566 2342 182 377 0 2186 0
Current children cumulated CPU time (s) 27.19
Current children cumulated vsize (KiB) 10264

Child status: 10
Real time (s): 27.2502
CPU time (s): 27.2409
CPU user time (s): 27.2279
CPU system time (s): 0.012998
CPU usage (%): 99.9657
Max. virtual memory (cumulated for all children) (KiB): 10264

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 27.2279
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2455
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= 41

runsolver used 0.028995 second user time and 0.078987 second system time

The end

Launcher Data 

Begin job on node84 at 2009-04-03 16:53:47
IDJOB=1562099
IDBENCH=70928
IDSOLVER=508
FILE ID=node84/1562099-1238770427
PBS_JOBID= 9085542
Free space on /tmp= 66492 MiB

SOLVER NAME= clasp 1.2.0-SAT09-32
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_4_9_all.cnf
COMMAND LINE= HOME/clasp --file=BENCHNAME --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562099-1238770427/watcher-1562099-1238770427 -o /tmp/evaluation-result-1562099-1238770427/solver-1562099-1238770427 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/clasp --file=HOME/instance-1562099-1238770427.cnf --dimacs --number=1 --sat-p=20,25,150 --hParam=0,512

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

MD5SUM BENCH= d78c1359306a87fe47f1b830ca255359
RANDOM SEED=1086784039

node84.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		: 3000.231
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		: 3000.231
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:       1534360 kB
Buffers:         90708 kB
Cached:         337752 kB
SwapCached:       6944 kB
Active:         271276 kB
Inactive:       166408 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1534360 kB
SwapTotal:     4192956 kB
SwapFree:      4177652 kB
Dirty:            2432 kB
Writeback:           0 kB
Mapped:          14840 kB
Slab:            69000 kB
Committed_AS:  3113668 kB
PageTables:       1980 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= 66488 MiB
End job on node84 at 2009-04-03 16:54:14