Trace number 1875484

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 NameAnswerobjCPU timeWall clock time
wbo 1.0OPT12 1.41978 1.42108

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-LIN/submittedPB07/
aksoy/area_delay/normalized-fir04_area_delay.opb
MD5SUMea4ff8014cd873922b6021da249fa157
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark12
Best CPU time to get the best result obtained on this benchmark0.778881
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 12
Optimality of the best value was proved YES
Number of variables741
Total number of constraints2072
Number of constraints which are clauses2072
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 constraint1
Maximum length of a constraint31
Number of terms in the objective function 360
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 360
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 2
Number of bits of the biggest number in a constraint 2
Biggest sum of numbers in a constraint 360
Number of bits of the biggest sum of numbers9
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-1875484-1245183472.opb.
0.00/0.00	c Instance file HOME/instance-1875484-1245183472.opb
0.00/0.00	c File size is 58657 bytes.
0.00/0.01	c Highest Coefficient sum: 32
0.00/0.01	c ============================[ Problem Statistics ]=============================
0.00/0.01	c |                                                                             |
0.00/0.01	c |  Parsing time:          0.01         s                                      |
0.00/0.01	c |  Number Variables:      741                                                 |
0.00/0.01	c |  Number Clauses:        2432                                                |
0.00/0.01	c |  Number Cardinality:    0                                                   |
0.00/0.01	c |  Number PB Constraints: 0                                                   |
0.00/0.01	c core #1
0.00/0.01	c Core size: 2	Core Weight: 1	Total Weight: 1
0.00/0.01	c Elapsed CPU time: 0.008998 s	Remaining CPU time: 1799.99 s
0.00/0.01	c core #2
0.00/0.01	c Core size: 3	Core Weight: 1	Total Weight: 2
0.00/0.01	c Elapsed CPU time: 0.010998 s	Remaining CPU time: 1799.99 s
0.00/0.01	c core #3
0.00/0.01	c Core size: 31	Core Weight: 1	Total Weight: 3
0.00/0.01	c Elapsed CPU time: 0.012998 s	Remaining CPU time: 1799.99 s
0.00/0.01	c core #4
0.00/0.01	c Core size: 30	Core Weight: 1	Total Weight: 4
0.00/0.01	c Elapsed CPU time: 0.014997 s	Remaining CPU time: 1799.99 s
0.00/0.01	c core #5
0.00/0.01	c Core size: 29	Core Weight: 1	Total Weight: 5
0.00/0.01	c Elapsed CPU time: 0.015997 s	Remaining CPU time: 1799.98 s
0.00/0.01	c core #6
0.00/0.01	c Core size: 9	Core Weight: 1	Total Weight: 6
0.00/0.01	c Elapsed CPU time: 0.017997 s	Remaining CPU time: 1799.98 s
0.00/0.02	c core #7
0.00/0.02	c Core size: 65	Core Weight: 1	Total Weight: 7
0.00/0.02	c Elapsed CPU time: 0.019996 s	Remaining CPU time: 1799.98 s
0.00/0.02	c core #8
0.00/0.02	c Core size: 72	Core Weight: 1	Total Weight: 8
0.00/0.02	c Elapsed CPU time: 0.021996 s	Remaining CPU time: 1799.98 s
0.00/0.02	c ============================[ Search Statistics ]==============================
0.00/0.02	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.02	c ===============================================================================
0.00/0.02	c |         0 |     241     2440     3409 |     5000        0    nan |  0.000 % |
0.00/0.02	c ===============================================================================
0.00/0.02	c core #9
0.00/0.02	c Core size: 90	Core Weight: 1	Total Weight: 9
0.00/0.02	c Elapsed CPU time: 0.024996 s	Remaining CPU time: 1799.98 s
0.00/0.02	c ============================[ Search Statistics ]==============================
0.00/0.02	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.00/0.02	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.00/0.02	c ===============================================================================
0.00/0.02	c |         0 |     351     2441     3881 |     5000        0    nan |  0.000 % |
0.00/0.03	c ===============================================================================
0.00/0.03	c core #10
0.00/0.03	c Core size: 340	Core Weight: 1	Total Weight: 10
0.00/0.03	c Elapsed CPU time: 0.029995 s	Remaining CPU time: 1799.97 s
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 |     756     2442     4907 |     5000        0    nan |  0.000 % |
0.00/0.03	c ===============================================================================
0.00/0.03	c core #11
0.00/0.03	c Core size: 79	Core Weight: 1	Total Weight: 11
0.00/0.03	c Elapsed CPU time: 0.033994 s	Remaining CPU time: 1799.97 s
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 |     792     2443     4997 |     5000        0    nan |  0.000 % |
0.00/0.04	c |       101 |     792     2443     4997 |     5500      101     43 | 26.599 % |
0.05/0.06	c |       251 |     792     2443     4997 |     6050      251     45 | 26.599 % |
0.05/0.08	c |       476 |     792     2443     4997 |     6655      476     42 | 26.599 % |
0.10/0.13	c |       814 |     792     2443     4997 |     7320      814     42 | 26.599 % |
0.10/0.20	c |      1320 |     748     2443     4997 |     8052      344     23 | 30.677 % |
0.19/0.24	c ===============================================================================
0.19/0.25	c core #12
0.19/0.25	c Core size: 474	Core Weight: 1	Total Weight: 12
0.19/0.25	c Elapsed CPU time: 0.252961 s	Remaining CPU time: 1799.75 s
0.19/0.26	c Learning 4 hard constraints
0.19/0.26	c ============================[ Search Statistics ]==============================
0.19/0.26	c | Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.26	c |           |    Vars     Ctrs     Lits |    Limit  Clauses Lit/Cl |          |
0.19/0.26	c ===============================================================================
0.19/0.26	c |         0 |     937     2448     5346 |     5000        0    nan |  0.000 % |
0.19/0.27	c |       103 |     937     2448     5346 |     5500      103     97 | 22.754 % |
0.19/0.28	c |       253 |     937     2448     5346 |     6050      253     71 | 22.754 % |
0.29/0.31	c |       478 |     937     2448     5346 |     6655      478     85 | 22.754 % |
0.29/0.36	c |       815 |     937     2448     5346 |     7320      815     98 | 22.754 % |
0.39/0.43	c |      1322 |     937     2448     5346 |     8052     1322     91 | 22.754 % |
0.49/0.57	c |      2081 |     937     2448     5346 |     8857     2081     94 | 22.754 % |
0.79/0.80	c |      3220 |     936     2448     5346 |     9743     3219     92 | 22.836 % |
1.09/1.11	c |      4931 |     936     2448     5346 |    10717     4930     92 | 22.836 % |
1.39/1.41	c ===============================================================================
1.39/1.41	c Verified 2448 original clauses.
1.39/1.42	c #cores: 12
1.39/1.42	c Final Weight: 12
1.39/1.42	o 12
1.39/1.42	s OPTIMUM FOUND
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Verifier Data 

OK	12

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1875484-1245183472/watcher-1875484-1245183472 -o /tmp/evaluation-result-1875484-1245183472/solver-1875484-1245183472 -C 1800 -W 2000 -M 1800 wbo -file-format=opb -time-limit=1800 HOME/instance-1875484-1245183472.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 2302
/proc/meminfo: memFree=1874264/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=2596 CPUtime=0
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 212 0 0 0 0 0 0 0 18 0 1 0 185947638 2658304 196 1992294400 134512640 135709839 4294956240 18446744073709551615 134557204 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 649 196 126 292 0 339 0

[startup+0.052646 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2302
/proc/meminfo: memFree=1874264/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=2928 CPUtime=0.05
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 340 0 0 0 5 0 0 0 18 0 1 0 185947638 2998272 309 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 732 309 136 292 0 437 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2928

[startup+0.102654 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2302
/proc/meminfo: memFree=1874264/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=3060 CPUtime=0.1
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 354 0 0 0 10 0 0 0 18 0 1 0 185947638 3133440 323 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 765 323 136 292 0 470 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 3060

[startup+0.301687 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2302
/proc/meminfo: memFree=1874264/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=3872 CPUtime=0.29
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 568 0 0 0 29 0 0 0 19 0 1 0 185947638 3964928 537 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 968 537 136 292 0 673 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3872

[startup+0.701753 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 2302
/proc/meminfo: memFree=1874264/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=4796 CPUtime=0.69
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 788 0 0 0 68 1 0 0 22 0 1 0 185947638 4911104 757 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 1199 757 136 292 0 904 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4796

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

[startup+1.10582 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2303
/proc/meminfo: memFree=1870544/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=6248 CPUtime=1.09
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 1164 0 0 0 107 2 0 0 25 0 1 0 185947638 6397952 1133 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 1562 1133 136 292 0 1267 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 6248

[startup+1.30185 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2303
/proc/meminfo: memFree=1870544/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=6912 CPUtime=1.29
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 1316 0 0 0 126 3 0 0 25 0 1 0 185947638 7077888 1285 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 1728 1285 136 292 0 1433 0
Current children cumulated CPU time (s) 1.29
Current children cumulated vsize (KiB) 6912

[startup+1.40187 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 2303
/proc/meminfo: memFree=1870544/2055920 swapFree=4192812/4192956
[pid=2302] ppid=2300 vsize=7176 CPUtime=1.39
/proc/2302/stat : 2302 (wbo) R 2300 2302 1691 0 -1 4194304 1384 0 0 0 136 3 0 0 25 0 1 0 185947638 7348224 1353 1992294400 134512640 135709839 4294956240 18446744073709551615 135232529 0 0 4096 3 0 0 0 17 1 0 0
/proc/2302/statm: 1794 1353 136 292 0 1499 0
Current children cumulated CPU time (s) 1.39
Current children cumulated vsize (KiB) 7176

Child status: 0
Real time (s): 1.42108
CPU time (s): 1.41978
CPU user time (s): 1.38279
CPU system time (s): 0.036994
CPU usage (%): 99.9084
Max. virtual memory (cumulated for all children) (KiB): 7176

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.38279
system time used= 0.036994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1400
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= 3
involuntary context switches= 1

runsolver used 0.004999 second user time and 0.009998 second system time

The end

Launcher Data 

Begin job on node15 at 2009-06-16 22:17:52
IDJOB=1875484
IDBENCH=25006
IDSOLVER=698
FILE ID=node15/1875484-1245183472
PBS_JOBID= 9363890
Free space on /tmp= 66304 MiB

SOLVER NAME= wbo 1.0
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-LIN/submittedPB07/aksoy/area_delay/normalized-fir04_area_delay.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-1875484-1245183472/watcher-1875484-1245183472 -o /tmp/evaluation-result-1875484-1245183472/solver-1875484-1245183472 -C 1800 -W 2000 -M 1800  wbo -file-format=opb -time-limit=1800 HOME/instance-1875484-1245183472.opb

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

MD5SUM BENCH= ea4ff8014cd873922b6021da249fa157
RANDOM SEED=93719671

node15.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		: 3000.261
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	: 5931.00
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		: 3000.261
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:       1874680 kB
Buffers:         41640 kB
Cached:          68520 kB
SwapCached:          0 kB
Active:          64556 kB
Inactive:        59024 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1874680 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            2772 kB
Writeback:           0 kB
Mapped:          23248 kB
Slab:            43624 kB
Committed_AS:   186004 kB
PageTables:       1460 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-1875484-1245183472.opb

Free space on /tmp at the end= 66300 MiB
End job on node15 at 2009-06-16 22:17:54