Trace number 2667671

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 0.1OPT-68 7.99678 7.9992

General information on the benchmark

Name/OPT-SMALLINT-LIN/featureSubscription/
normalized-50-750-false-45-90-4-7000opt.opb
MD5SUMa25a52544be0f6847f2aa8f54184e900
Bench CategoryOPT-SMALLINT-LIN (optimisation, small integers, linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark-68
Best CPU time to get the best result obtained on this benchmark7.83981
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables2025
Total number of constraints29069
Number of constraints which are clauses29069
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 constraint3
Number of terms in the objective function 135
Biggest coefficient in the objective function 4
Number of bits for the biggest coefficient in the objective function 3
Sum of the numbers in the objective function 347
Number of bits of the sum of numbers in the objective function 9
Biggest number in a constraint 4
Number of bits of the biggest number in a constraint 3
Biggest sum of numbers in a constraint 347
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

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
0.39/0.43	c constraints 0/0 clauses 29069/0 units 0
0.39/0.43	c vars 2025
0.39/0.43	c objective 135 + -347
0.89/0.96	c 0.903862 56.9961 1 3241
0.89/0.96	o -7
0.89/0.96	c 0.905862 57.7383 1 5148
0.89/0.96	o -10
0.89/0.97	c 0.909861 57.7383 2 7084
0.89/0.97	o -12
0.89/0.98	c 0.91586 57.7383 14 9270
0.89/0.98	o -14
0.89/0.99	c 0.924859 57.7383 37 11103
0.89/0.99	o -24
0.99/1.00	c 0.935857 57.7383 106 13152
0.99/1.00	o -33
0.99/1.02	c 0.951855 57.7383 257 15430
0.99/1.02	o -41
0.99/1.03	c 0.960853 57.7383 303 17052
0.99/1.03	o -42
0.99/1.04	c 0.967852 57.7383 325 18592
0.99/1.04	o -56
0.99/1.08	c 1.00185 57.7383 660 20820
0.99/1.08	o -60
1.09/1.20	c 1.11483 57.7383 1822 23791
1.09/1.20	o -63
1.19/1.22	c 1.13383 57.7383 1970 25305
1.19/1.22	o -64
1.29/1.31	c 1.21781 57.8672 2680 27492
1.29/1.31	o -65
1.89/1.93	c 1.81172 58.8984 7081 33834
1.89/1.93	o -66
3.69/3.71	c 3.53146 60.0781 11959 45833
3.69/3.71	o -68
7.70/7.75	c 7.44187 60.0781 1235 71214
7.70/7.75	s OPTIMUM FOUND
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Verifier Data 

OK	-68

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2667671-1276685632/watcher-2667671-1276685632 -o /tmp/evaluation-result-2667671-1276685632/solver-2667671-1276685632 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2667671-1276685632.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: 0.99 0.98 0.99 3/106 17301
/proc/meminfo: memFree=1523872/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=2208 CPUtime=0
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 256 0 0 0 0 0 0 0 23 0 1 0 9853897 2260992 179 1992294400 134512640 136485738 4289953136 18446744073709551615 134521807 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17301/statm: 552 180 156 482 0 68 0

[startup+0.0560761 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 17301
/proc/meminfo: memFree=1523872/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=2340 CPUtime=0.05
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 286 0 0 0 5 0 0 0 25 0 1 0 9853897 2396160 209 1992294400 134512640 136485738 4289953136 18446744073709551615 135857078 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17301/statm: 585 209 156 482 0 101 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 2340

[startup+0.10108 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 17301
/proc/meminfo: memFree=1523872/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=2472 CPUtime=0.09
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 312 0 0 0 9 0 0 0 25 0 1 0 9853897 2531328 235 1992294400 134512640 136485738 4289953136 18446744073709551615 135411219 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17301/statm: 618 235 156 482 0 134 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2472

[startup+0.301101 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 17301
/proc/meminfo: memFree=1523872/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=2868 CPUtime=0.29
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 430 0 0 0 29 0 0 0 25 0 1 0 9853897 2936832 353 1992294400 134512640 136485738 4289953136 18446744073709551615 135419052 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/17301/statm: 717 353 156 482 0 233 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 2868

[startup+0.701146 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 17301
/proc/meminfo: memFree=1523872/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=24856 CPUtime=0.69
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 6222 0 0 0 67 2 0 0 25 0 1 0 9853897 25452544 5676 1992294400 134512640 136485738 4289953136 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17301/statm: 6214 5676 194 482 0 5730 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 24856

[startup+1.50124 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 17302
/proc/meminfo: memFree=1468684/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=59648 CPUtime=1.49
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 15306 0 0 0 139 10 0 0 25 0 1 0 9853897 61079552 14149 1992294400 134512640 136485738 4289953136 18446744073709551615 134880545 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17301/statm: 14912 14149 243 482 0 14428 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 59648

[startup+3.10041 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 17302
/proc/meminfo: memFree=1466948/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=61120 CPUtime=3.09
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 15676 0 0 0 293 16 0 0 25 0 1 0 9853897 62586880 14518 1992294400 134512640 136485738 4289953136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17301/statm: 15280 14518 243 482 0 14796 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 61120

[startup+6.30077 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 17302
/proc/meminfo: memFree=1465832/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=61516 CPUtime=6.29
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 15777 0 0 0 603 26 0 0 25 0 1 0 9853897 62992384 14618 1992294400 134512640 136485738 4289953136 18446744073709551615 135857055 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17301/statm: 15379 14618 243 482 0 14895 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 61516

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

[startup+7.10085 s]
/proc/loadavg: 1.07 1.00 1.00 2/107 17302
/proc/meminfo: memFree=1465832/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=61516 CPUtime=7.09
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 15777 0 0 0 680 29 0 0 25 0 1 0 9853897 62992384 14618 1992294400 134512640 136485738 4289953136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17301/statm: 15379 14618 243 482 0 14895 0
Current children cumulated CPU time (s) 7.09
Current children cumulated vsize (KiB) 61516

[startup+7.5009 s]
/proc/loadavg: 1.07 1.00 1.00 2/107 17302
/proc/meminfo: memFree=1465832/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=61516 CPUtime=7.49
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 15777 0 0 0 719 30 0 0 25 0 1 0 9853897 62992384 14618 1992294400 134512640 136485738 4289953136 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17301/statm: 15379 14618 243 482 0 14895 0
Current children cumulated CPU time (s) 7.49
Current children cumulated vsize (KiB) 61516

[startup+7.90094 s]
/proc/loadavg: 1.07 1.00 1.00 2/107 17302
/proc/meminfo: memFree=1465832/2059040 swapFree=4192956/4192956
[pid=17301] ppid=17299 vsize=57660 CPUtime=7.89
/proc/17301/stat : 17301 (pbct) R 17299 17301 16567 0 -1 4202496 15782 0 0 0 758 31 0 0 25 0 1 0 9853897 59043840 13744 1992294400 134512640 136485738 4289953136 18446744073709551615 134720124 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/17301/statm: 14415 13744 247 482 0 13931 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 57660

Child status: 0
Real time (s): 7.9992
CPU time (s): 7.99678
CPU user time (s): 7.67883
CPU system time (s): 0.317951
CPU usage (%): 99.9698
Max. virtual memory (cumulated for all children) (KiB): 61516

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.67883
system time used= 0.317951
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 15783
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 0.014997 second user time and 0.046992 second system time

The end

Launcher Data 

Begin job on node059 at 2010-06-16 12:53:52
IDJOB=2667671
IDBENCH=71825
IDSOLVER=1170
FILE ID=node059/2667671-1276685632
PBS_JOBID= 11172543
Free space on /tmp= 62552 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB09/normalized-PB09/OPT-SMALLINT-LIN/featureSubscription/normalized-50-750-false-45-90-4-7000opt.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2667671-1276685632/watcher-2667671-1276685632 -o /tmp/evaluation-result-2667671-1276685632/solver-2667671-1276685632 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2667671-1276685632.opb

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

MD5SUM BENCH= a25a52544be0f6847f2aa8f54184e900
RANDOM SEED=624640111

node059.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		: 3000.244
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	: 6000.48
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		: 3000.244
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:       1524400 kB
Buffers:        133488 kB
Cached:         258592 kB
SwapCached:          0 kB
Active:         156140 kB
Inactive:       295336 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1524400 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2888 kB
Writeback:           0 kB
AnonPages:       59308 kB
Mapped:          15468 kB
Slab:            61440 kB
PageTables:       3988 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180724 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= 62552 MiB
End job on node059 at 2010-06-16 12:54:00