Trace number 2668012

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 NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1OPT3 5.29219 5.29299

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/
factor-mod-B/factor-mod-size=9-P0=97-P1=127-B.opb
MD5SUMbe15a6e8e4800aeecb097065a6f07951
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.05899
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables27
Total number of constraints3
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints3
Minimum length of a constraint9
Maximum length of a constraint90
Number of terms in the objective function 9
Biggest coefficient in the objective function 256
Number of bits for the biggest coefficient in the objective function 9
Sum of the numbers in the objective function 511
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 131072
Number of bits of the biggest number in a constraint 18
Biggest sum of numbers in a constraint 522784
Number of bits of the biggest sum of numbers19
Number of products (including duplicates)81
Sum of products size (including duplicates)162
Number of different products81
Sum of products size162

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

Solver Data 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 82/0 clauses 83/0 units 0
0.00/0.00	c vars 27
0.00/0.00	c objective 9 + 0
4.60/4.68	c 4.19536 5.85938 803 91276
4.60/4.68	o 211
4.79/4.83	c 4.33234 6.00781 461 94851
4.79/4.83	o 181
5.19/5.24	c 4.69829 6.00781 694 105941
5.19/5.24	o 5
5.19/5.27	c 4.72528 6.00781 282 106683
5.19/5.28	o 3
5.19/5.28	c 4.73328 6.00781 510 106917
5.19/5.28	s OPTIMUM FOUND
5.19/5.28	v x1 x2 -x3 -x4 -x5 -x6 -x7 -x8 -x9 x10 -x11 x12 -x13 x14 x15 -x16 x17 -x18 x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27

Verifier Data 

OK	3

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2668012-1276650864/watcher-2668012-1276650864 -o /tmp/evaluation-result-2668012-1276650864/solver-2668012-1276650864 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668012-1276650864.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: 1.64 1.23 1.08 3/106 12733
/proc/meminfo: memFree=1803644/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=3508 CPUtime=0
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 570 0 0 0 0 0 0 0 20 0 1 0 6378928 3592192 492 1992294400 134512640 136485738 4293902256 18446744073709551615 134616788 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 877 494 198 482 0 393 0

[startup+0.0594649 s]
/proc/loadavg: 1.64 1.23 1.08 3/106 12733
/proc/meminfo: memFree=1803644/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=5472 CPUtime=0.05
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1085 0 0 0 4 1 0 0 20 0 1 0 6378928 5603328 1007 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1368 1007 226 482 0 884 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 5472

[startup+0.101469 s]
/proc/loadavg: 1.64 1.23 1.08 3/106 12733
/proc/meminfo: memFree=1803644/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=5604 CPUtime=0.09
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1100 0 0 0 8 1 0 0 20 0 1 0 6378928 5738496 1022 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1401 1022 226 482 0 917 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5604

[startup+0.301491 s]
/proc/loadavg: 1.64 1.23 1.08 3/106 12733
/proc/meminfo: memFree=1803644/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=5604 CPUtime=0.29
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1123 0 0 0 26 3 0 0 20 0 1 0 6378928 5738496 1045 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1401 1045 226 482 0 917 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5604

[startup+0.701534 s]
/proc/loadavg: 1.64 1.23 1.08 3/106 12733
/proc/meminfo: memFree=1803644/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=5736 CPUtime=0.69
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1160 0 0 0 61 8 0 0 21 0 1 0 6378928 5873664 1082 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1434 1082 226 482 0 950 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5736

[startup+1.50162 s]
/proc/loadavg: 1.59 1.23 1.08 2/107 12734
/proc/meminfo: memFree=1800164/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=5868 CPUtime=1.49
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1182 0 0 0 133 16 0 0 23 0 1 0 6378928 6008832 1104 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1467 1104 226 482 0 983 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5868

[startup+3.1018 s]
/proc/loadavg: 1.59 1.23 1.08 2/107 12734
/proc/meminfo: memFree=1799916/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=5996 CPUtime=3.09
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1202 0 0 0 276 33 0 0 25 0 1 0 6378928 6139904 1124 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1499 1124 226 482 0 1015 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5996

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

[startup+3.90189 s]
/proc/loadavg: 1.59 1.23 1.08 2/107 12734
/proc/meminfo: memFree=1799668/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=5996 CPUtime=3.89
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1215 0 0 0 348 41 0 0 25 0 1 0 6378928 6139904 1137 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1499 1137 226 482 0 1015 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 5996

[startup+4.70197 s]
/proc/loadavg: 1.59 1.23 1.08 2/107 12734
/proc/meminfo: memFree=1799668/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=6148 CPUtime=4.69
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1250 0 0 0 421 48 0 0 25 0 1 0 6378928 6295552 1171 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1537 1171 244 482 0 1053 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 6148

[startup+5.10102 s]
/proc/loadavg: 1.59 1.23 1.08 2/107 12734
/proc/meminfo: memFree=1799668/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=6148 CPUtime=5.09
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1251 0 0 0 457 52 0 0 25 0 1 0 6378928 6295552 1171 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1537 1171 244 482 0 1053 0
Current children cumulated CPU time (s) 5.09
Current children cumulated vsize (KiB) 6148

[startup+5.20103 s]
/proc/loadavg: 1.59 1.23 1.08 2/107 12734
/proc/meminfo: memFree=1799668/2059040 swapFree=4192956/4192956
[pid=12733] ppid=12731 vsize=6148 CPUtime=5.19
/proc/12733/stat : 12733 (pbct) R 12731 12733 11955 0 -1 4202496 1251 0 0 0 465 54 0 0 25 0 1 0 6378928 6295552 1171 1992294400 134512640 136485738 4293902256 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/12733/statm: 1537 1171 244 482 0 1053 0
Current children cumulated CPU time (s) 5.19
Current children cumulated vsize (KiB) 6148

Child status: 0
Real time (s): 5.29299
CPU time (s): 5.29219
CPU user time (s): 4.73828
CPU system time (s): 0.553915
CPU usage (%): 99.9849
Max. virtual memory (cumulated for all children) (KiB): 6148

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.73828
system time used= 0.553915
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1259
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= 1
involuntary context switches= 18

runsolver used 0.012998 second user time and 0.027995 second system time

The end

Launcher Data 

Begin job on node042 at 2010-06-16 03:14:24
IDJOB=2668012
IDBENCH=48095
IDSOLVER=1170
FILE ID=node042/2668012-1276650864
PBS_JOBID= 11172448
Free space on /tmp= 62580 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/roussel/factor-mod-B/factor-mod-size=9-P0=97-P1=127-B.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668012-1276650864/watcher-2668012-1276650864 -o /tmp/evaluation-result-2668012-1276650864/solver-2668012-1276650864 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668012-1276650864.opb

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

MD5SUM BENCH= be15a6e8e4800aeecb097065a6f07951
RANDOM SEED=1551002292

node042.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.213
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.42
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		: 3000.213
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.45
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1804048 kB
Buffers:         25228 kB
Cached:         105544 kB
SwapCached:          0 kB
Active:          88428 kB
Inactive:       101824 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1804048 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2108 kB
Writeback:          36 kB
AnonPages:       59440 kB
Mapped:          15424 kB
Slab:            42880 kB
PageTables:       4076 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183832 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62580 MiB
End job on node042 at 2010-06-16 03:14:30