Trace number 1876019

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 25.3971 25.4039

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.opb
MD5SUMd807de21f10c00acae1479f7b1348df5
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.166974
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1733
Total number of constraints1256
Number of constraints which are clauses1188
Number of constraints which are cardinality constraints (but not clauses)68
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
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 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
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-1876019-1245126521.opb.
0.00/0.00	c Instance file HOME/instance-1876019-1245126521.opb
0.00/0.00	c File size is 213795 bytes.
0.00/0.03	c Highest Coefficient sum: 36
0.00/0.03	c ============================[ Problem Statistics ]=============================
0.00/0.03	c |                                                                             |
0.00/0.03	c |  Parsing time:          0.03         s                                      |
0.00/0.03	c |  Number Variables:      1733                                                |
0.00/0.03	c |  Number Clauses:        1188                                                |
0.00/0.03	c |  Number Cardinality:    68                                                  |
0.00/0.03	c |  Number PB Constraints: 0                                                   |
0.00/0.03	c ============================[ Search Statistics ]==============================
0.00/0.03	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.03	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.03	c ===============================================================================
0.00/0.03	c |         0 |    1733     1256    23117 |     5000        0    nan |  0.000 % |
0.02/0.04	c |       100 |    1733     1256    23117 |     5500      100    453 |  0.000 % |
0.02/0.06	c |       250 |    1733     1256    23117 |     6050      250    294 |  0.000 % |
0.02/0.09	c |       476 |    1733     1256    23117 |     6655      476    247 |  0.000 % |
0.09/0.12	c |       815 |    1733     1256    23117 |     7320      815    214 |  0.000 % |
0.09/0.18	c |      1323 |    1733     1256    23117 |     8052     1323    182 |  0.000 % |
0.29/0.33	c |      2084 |    1733     1256    23117 |     8857     2084    203 |  0.000 % |
0.59/0.60	c |      3225 |    1733     1256    23117 |     9743     3225    209 |  0.000 % |
0.79/0.85	c |      4934 |    1733     1256    23117 |    10717     4934    175 |  0.000 % |
1.88/1.94	c |      7496 |    1733     1256    23117 |    11789     7496    200 |  0.000 % |
3.59/3.69	c |     11341 |    1733     1256    23117 |    12968    11341    214 |  0.000 % |
5.09/5.15	c |     17107 |    1733     1256    23117 |    14265     9803    145 |  0.000 % |
12.18/12.25	c |     25756 |    1733     1256    23117 |    15692    10641    250 |  0.000 % |
25.08/25.14	c |     38730 |    1733     1256    23117 |    17261    15149    245 |  0.000 % |
25.28/25.39	c ===============================================================================
25.28/25.39	c Verified 1256 original clauses.
25.28/25.39	c #cores: 0
25.28/25.39	c Final Weight: 0
25.28/25.39	s SATISFIABLE
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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-1876019-1245126521/watcher-1876019-1245126521 -o /tmp/evaluation-result-1876019-1245126521/solver-1876019-1245126521 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1876019-1245126521.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 1.00 3/64 31299
/proc/meminfo: memFree=1343448/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=2736 CPUtime=0
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 203 0 0 0 0 0 0 0 18 0 1 0 180253175 2801664 187 1992294400 134512640 135709839 4294956240 18446744073709551615 134548059 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 684 187 125 292 0 336 0

[startup+0.034947 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31299
/proc/meminfo: memFree=1343448/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=2952 CPUtime=0.02
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 366 0 0 0 2 0 0 0 18 0 1 0 180253175 3022848 297 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 738 297 134 292 0 443 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2952

[startup+0.101953 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31299
/proc/meminfo: memFree=1343448/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=3612 CPUtime=0.09
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 528 0 0 0 9 0 0 0 18 0 1 0 180253175 3698688 459 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 903 459 135 292 0 608 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3612

[startup+0.301973 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31299
/proc/meminfo: memFree=1343448/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=4932 CPUtime=0.29
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 862 0 0 0 28 1 0 0 19 0 1 0 180253175 5050368 793 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 1233 793 135 292 0 938 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4932

[startup+0.702014 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 31299
/proc/meminfo: memFree=1343448/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=6780 CPUtime=0.69
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 1326 0 0 0 68 1 0 0 23 0 1 0 180253175 6942720 1257 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 1695 1257 135 292 0 1400 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6780

[startup+1.5011 s]
/proc/loadavg: 1.00 1.00 1.00 3/65 31300
/proc/meminfo: memFree=1337872/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=9156 CPUtime=1.49
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 1938 0 0 0 147 2 0 0 25 0 1 0 180253175 9375744 1869 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 2289 1869 135 292 0 1994 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9156

[startup+3.10126 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1334288/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=14076 CPUtime=3.09
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 3146 0 0 0 306 3 0 0 25 0 1 0 180253175 14413824 3077 1992294400 134512640 135709839 4294956240 18446744073709551615 134517169 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 3519 3077 135 292 0 3224 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14076

[startup+6.30159 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1326288/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=21344 CPUtime=6.29
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 4962 0 0 0 623 6 0 0 25 0 1 0 180253175 21856256 4893 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 5336 4893 135 292 0 5041 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 21344

[startup+12.7022 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1315856/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=31252 CPUtime=12.69
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 7458 0 0 0 1261 8 0 0 25 0 1 0 180253175 32002048 7389 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 7813 7389 135 292 0 7518 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 31252

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

[startup+19.1019 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1305040/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=40780 CPUtime=19.09
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 9829 0 0 0 1897 12 0 0 25 0 1 0 180253175 41758720 9760 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 10195 9760 135 292 0 9900 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 40780

[startup+22.3012 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1302608/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=42764 CPUtime=22.28
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 10319 0 0 0 2216 12 0 0 25 0 1 0 180253175 43790336 10250 1992294400 134512640 135709839 4294956240 18446744073709551615 134573761 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 10691 10250 135 292 0 10396 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 42764

[startup+23.9014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1302160/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=43692 CPUtime=23.89
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 10541 0 0 0 2376 13 0 0 25 0 1 0 180253175 44740608 10472 1992294400 134512640 135709839 4294956240 18446744073709551615 134517178 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 10923 10472 135 292 0 10628 0
Current children cumulated CPU time (s) 23.89
Current children cumulated vsize (KiB) 43692

[startup+24.7015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1301456/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=44088 CPUtime=24.68
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 10649 0 0 0 2455 13 0 0 25 0 1 0 180253175 45146112 10580 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 11022 10580 135 292 0 10727 0
Current children cumulated CPU time (s) 24.68
Current children cumulated vsize (KiB) 44088

[startup+25.1015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1301456/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=44368 CPUtime=25.08
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 10714 0 0 0 2495 13 0 0 25 0 1 0 180253175 45432832 10645 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 11092 10645 135 292 0 10797 0
Current children cumulated CPU time (s) 25.08
Current children cumulated vsize (KiB) 44368

[startup+25.3055 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1300560/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=45292 CPUtime=25.28
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194304 10950 0 0 0 2515 13 0 0 25 0 1 0 180253175 46379008 10881 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 11323 10881 135 292 0 11028 0
Current children cumulated CPU time (s) 25.28
Current children cumulated vsize (KiB) 45292

[startup+25.4016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 31300
/proc/meminfo: memFree=1300560/2055920 swapFree=4191896/4192956
[pid=31299] ppid=31297 vsize=0 CPUtime=25.38
/proc/31299/stat : 31299 (wbo) R 31297 31299 29805 0 -1 4194308 11037 0 0 0 2524 14 0 0 25 0 1 0 180253175 0 0 1992294400 0 0 0 0 0 0 0 4096 3 0 0 0 17 1 0 0
/proc/31299/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.38
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 25.4039
CPU time (s): 25.3971
CPU user time (s): 25.2492
CPU system time (s): 0.147977
CPU usage (%): 99.9735
Max. virtual memory (cumulated for all children) (KiB): 45292

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 25.2492
system time used= 0.147977
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 11037
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= 37

runsolver used 0.024996 second user time and 0.057991 second system time

The end

Launcher Data 

Begin job on node2 at 2009-06-16 06:28:41
IDJOB=1876019
IDBENCH=1392
IDSOLVER=698
FILE ID=node2/1876019-1245126521
PBS_JOBID= 9363658
Free space on /tmp= 66452 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_33_sat_pb.cnf.cr.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-1876019-1245126521/watcher-1876019-1245126521 -o /tmp/evaluation-result-1876019-1245126521/solver-1876019-1245126521 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1876019-1245126521.opb

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

MD5SUM BENCH= d807de21f10c00acae1479f7b1348df5
RANDOM SEED=1074212651

node2.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		: 3000.214
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		: 3000.214
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:       1343864 kB
Buffers:         33580 kB
Cached:         600600 kB
SwapCached:        260 kB
Active:          69516 kB
Inactive:       577952 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1343864 kB
SwapTotal:     4192956 kB
SwapFree:      4191896 kB
Dirty:            2588 kB
Writeback:           0 kB
Mapped:          21752 kB
Slab:            50552 kB
Committed_AS:   143640 kB
PageTables:       1468 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

CONVERSION COMMAND LINE= PBconversionToLinear HOME/instance-1876019-1245126521.opb

Free space on /tmp at the end= 66448 MiB
End job on node2 at 2009-06-16 06:29:07