Trace number 1884781

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
wbo 1.0SAT 0.131979 0.132021

General information on the benchmark

Name/PURE-SAT/SAT09/CRAFTED/parity-games/
instance_n4_i4_pp_ci_ce.opb
MD5SUM138a47d110b008130c16c0c64adc572a
Bench CategoryPURE-SAT (instances containing only clauses)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.131979
Has Objective FunctionNO
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables1572
Total number of constraints9175
Number of constraints which are clauses9175
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint2
Maximum length of a constraint12
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 3
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 13
Number of bits of the biggest sum of numbers4
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data

0.00/0.00	c This is wbo 1.0 alpha (based on Minisat 2.0 beta)
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Parsing opb file format. File HOME/instance-1884781-1245260367.opb.
0.00/0.00	c Instance file HOME/instance-1884781-1245260367.opb
0.00/0.00	c File size is 305521 bytes.
0.00/0.04	c Highest Coefficient sum: 13
0.00/0.04	c ============================[ Problem Statistics ]=============================
0.00/0.04	c |                                                                             |
0.00/0.04	c |  Parsing time:          0.04         s                                      |
0.00/0.04	c |  Number Variables:      1572                                                |
0.00/0.04	c |  Number Clauses:        9175                                                |
0.00/0.04	c |  Number Cardinality:    0                                                   |
0.00/0.04	c |  Number PB Constraints: 0                                                   |
0.00/0.04	c ============================[ Search Statistics ]==============================
0.00/0.04	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.04	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.04	c ===============================================================================
0.00/0.04	c |         0 |    1572     9175    28832 |     5000        0    nan |  0.000 % |
0.00/0.05	c |       101 |    1570     9175    28832 |     5500      101     13 |  0.191 % |
0.00/0.06	c |       252 |    1557     9175    28832 |     6050      247     13 |  0.954 % |
0.08/0.09	c |       478 |    1556     9175    28832 |     6655      473     22 |  1.145 % |
0.09/0.13	c ===============================================================================
0.09/0.13	c Verified 9175 original clauses.
0.09/0.13	c #cores: 0
0.09/0.13	c Final Weight: 0
0.09/0.13	s SATISFIABLE
0.09/0.13	v x6 x9 -x3 -x1 x2 -x4 -x5 x26 -x32 x1572 -x191 -x24 x1571 -x188 -x22 x1570 -x183 -x83 x1569 -x180 x35 -x74 -x72 -x66 -x62 -x30 x172 x55 x33 -x171 x47 -x162 x45 -x48 -x41 -x37 -x39 -x34 x29 -x1032 -x88 x20 x1377 x21 x1383 -x1030 x19 x1379 x1387 -x1028 x1385 x1388 x981 -x78 x17 x1378 x18 x1384 -x976 x16 -x1381 -x972 -x1386 x929 -x61 -x14 x1380 -x15 -x927 x13 -x1382 -x922 x896 -x50 -x11 x1565 x1559 x1568 -x1567 -x1566 -x1560 -x1448 -x1445 x874 -x1447 -x1444 -x1446 x1443 x1564 -x1432 x1563 -x1431 x1562 -x1430 x1561 -x1429 -x1436 -x1435 -x1434 -x1433 x821 x818 -x819 -x820 -x822 -x823 x12 x1555 x1549 x1558 -x1557 -x1556 -x1550 -x1442 -x1441 x1440 x1554 -x1428 x1553 -x1427 x1552 -x1426 x1551 -x1425 x814 -x815 -x816 x1545 x1539 x1548 -x1547 -x1546 -x1540 -x1439 -x1438 x1437 x1544 -x1424 x1543 -x1423 x1542 -x1421 x1541 -x1422 x811 -x812 -x813 -x894 x10 x1535 x1529 -x1538 -x1537 -x1536 -x1530 x873 x1534 x1533 x1532 x1531 x1525 x1519 -x1528 x1527 -x1526 -x1520 x1524 x1523 x1522 x1521 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Verifier Data

OK	0

Watcher Data

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1884781-1245260367/watcher-1884781-1245260367 -o /tmp/evaluation-result-1884781-1245260367/solver-1884781-1245260367 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1884781-1245260367.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 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: 1.00 1.00 0.91 3/67 15191
/proc/meminfo: memFree=1803040/2055920 swapFree=4191820/4192956
[pid=15191] ppid=15189 vsize=2824 CPUtime=0
/proc/15191/stat : 15191 (wbo) R 15189 15191 14853 0 -1 4194304 189 0 0 0 0 0 0 0 18 0 1 0 182525998 2891776 173 1992294400 134512640 135709839 4294956240 18446744073709551615 135168571 0 0 4096 3 0 0 0 17 1 0 0
/proc/15191/statm: 706 174 127 292 0 336 0

[startup+0.0897601 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15191
/proc/meminfo: memFree=1803040/2055920 swapFree=4191820/4192956
[pid=15191] ppid=15189 vsize=3360 CPUtime=0.08
/proc/15191/stat : 15191 (wbo) R 15189 15191 14853 0 -1 4194304 493 0 0 0 8 0 0 0 18 0 1 0 182525998 3440640 402 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/15191/statm: 840 402 135 292 0 545 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 3360

[startup+0.101762 s]
/proc/loadavg: 1.00 1.00 0.91 3/67 15191
/proc/meminfo: memFree=1803040/2055920 swapFree=4191820/4192956
[pid=15191] ppid=15189 vsize=3360 CPUtime=0.09
/proc/15191/stat : 15191 (wbo) R 15189 15191 14853 0 -1 4194304 504 0 0 0 9 0 0 0 18 0 1 0 182525998 3440640 413 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/15191/statm: 840 413 135 292 0 545 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3360

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

Child status: 0
Real time (s): 0.132021
CPU time (s): 0.131979
CPU user time (s): 0.12798
CPU system time (s): 0.003999
CPU usage (%): 99.9682
Max. virtual memory (cumulated for all children) (KiB): 3360

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.12798
system time used= 0.003999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 527
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= 0

runsolver used 0.003999 second user time and 0.006998 second system time

The end

Launcher Data

Begin job on node68 at 2009-06-17 19:39:27
IDJOB=1884781
IDBENCH=71991
IDSOLVER=698
FILE ID=node68/1884781-1245260367
PBS_JOBID= 9372393
Free space on /tmp= 66472 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB09/normalized-PB09/PURE-SAT/SAT09/CRAFTED/parity-games/instance_n4_i4_pp_ci_ce.opb
COMMAND LINE= wbo -file-format=opb -time-limit=TIMEOUT BENCHNAME
CONVERSION SCRIPT= PBconversionToLinear BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1884781-1245260367/watcher-1884781-1245260367 -o /tmp/evaluation-result-1884781-1245260367/solver-1884781-1245260367 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1884781-1245260367.opb

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

MD5SUM BENCH= 138a47d110b008130c16c0c64adc572a
RANDOM SEED=1772916019

node68.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		: 3000.238
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		: 3000.238
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:       1803520 kB
Buffers:         20504 kB
Cached:         154112 kB
SwapCached:        416 kB
Active:          36616 kB
Inactive:       153840 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1803520 kB
SwapTotal:     4192956 kB
SwapFree:      4191820 kB
Dirty:            2824 kB
Writeback:           0 kB
Mapped:          24484 kB
Slab:            47568 kB
Committed_AS:   106236 kB
PageTables:       1564 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1884781-1245260367.opb

Free space on /tmp at the end= 66472 MiB
End job on node68 at 2009-06-17 19:39:27