Trace number 2668382

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 0.1? (MO) 25.9781 25.9856

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/
manquiho/golomb-rulers/normalized-OGR_18.opb
MD5SUMde4cbecd7c9968d40b279ce145b888a9
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark319
Best CPU time to get the best result obtained on this benchmark1798.03
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables8883
Total number of constraints17459
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 constraints17459
Minimum length of a constraint18
Maximum length of a constraint37
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 512
Number of bits of the biggest number in a constraint 10
Biggest sum of numbers in a constraint 2691
Number of bits of the biggest sum of numbers12
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 PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
1.79/1.86	c constraints 17459/0 clauses 0/0 units 0
1.79/1.86	c vars 8883
1.79/1.86	c objective 9 + 0
25.79/25.80	s UNKNOWN

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2668382-1276584600/watcher-2668382-1276584600 -o /tmp/evaluation-result-2668382-1276584600/solver-2668382-1276584600 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668382-1276584600.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 3/106 4031
/proc/meminfo: memFree=1840088/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=2340 CPUtime=0
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 298 0 0 0 0 0 0 0 18 0 1 0 34064085 2396160 220 1992294400 134512640 136485738 4289777744 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/4031/statm: 585 220 156 482 0 101 0

[startup+0.0279431 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 4031
/proc/meminfo: memFree=1840088/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=2868 CPUtime=0.02
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 436 0 0 0 2 0 0 0 18 0 1 0 34064085 2936832 358 1992294400 134512640 136485738 4289777744 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/4031/statm: 717 359 156 482 0 233 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2868

[startup+0.100953 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 4031
/proc/meminfo: memFree=1840088/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=4980 CPUtime=0.09
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 956 0 0 0 9 0 0 0 21 0 1 0 34064085 5099520 878 1992294400 134512640 136485738 4289777744 18446744073709551615 134537968 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/4031/statm: 1245 879 156 482 0 761 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4980

[startup+0.300976 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 4031
/proc/meminfo: memFree=1840088/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=10656 CPUtime=0.29
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 2389 0 0 0 28 1 0 0 21 0 1 0 34064085 10911744 2311 1992294400 134512640 136485738 4289777744 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/4031/statm: 2664 2311 156 482 0 2180 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10656

[startup+0.701022 s]
/proc/loadavg: 1.00 1.00 1.00 3/106 4031
/proc/meminfo: memFree=1840088/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=22140 CPUtime=0.69
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 5262 0 0 0 67 2 0 0 22 0 1 0 34064085 22671360 5184 1992294400 134512640 136485738 4289777744 18446744073709551615 135856871 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/4031/statm: 5535 5184 156 482 0 5051 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 22140

[startup+1.50112 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 4032
/proc/meminfo: memFree=1811064/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=45240 CPUtime=1.49
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 11023 0 0 0 145 4 0 0 25 0 1 0 34064085 46325760 10945 1992294400 134512640 136485738 4289777744 18446744073709551615 135848133 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/4031/statm: 11310 10946 156 482 0 10826 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 45240

[startup+3.1013 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 4032
/proc/meminfo: memFree=1773988/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=121964 CPUtime=3.09
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 31338 0 0 0 296 13 0 0 25 0 1 0 34064085 124891136 29887 1992294400 134512640 136485738 4289777744 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/4031/statm: 30491 29887 197 482 0 30007 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 121964

[startup+6.30068 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 4032
/proc/meminfo: memFree=1599148/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=296160 CPUtime=6.29
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 77908 0 0 0 595 34 0 0 25 0 1 0 34064085 303267840 72225 1992294400 134512640 136485738 4289777744 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/4031/statm: 74040 72226 197 482 0 73556 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 296160

[startup+12.7014 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 4032
/proc/meminfo: memFree=1255048/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=629672 CPUtime=12.69
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 169290 0 0 0 1193 76 0 0 25 0 1 0 34064085 644784128 155600 1992294400 134512640 136485738 4289777744 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/4031/statm: 157418 155600 197 482 0 156934 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 629672

[startup+25.5009 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 4032
/proc/meminfo: memFree=250648/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=1735960 CPUtime=25.48
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 461333 0 0 0 2352 196 0 0 25 0 1 0 34064085 1777623040 420885 1992294400 134512640 136485738 4289777744 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/4031/statm: 433990 420889 199 482 0 433506 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1735960



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+25.801 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 4032
/proc/meminfo: memFree=35260/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=1871408 CPUtime=25.79
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4202496 495703 0 0 0 2371 208 0 0 25 0 1 0 34064085 1916321792 451158 1992294400 134512640 136485738 4289777744 18446744073709551615 136086046 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/4031/statm: 467852 451163 199 482 0 467368 0
Current children cumulated CPU time (s) 25.79
Current children cumulated vsize (KiB) 1871408

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+25.909 s]
/proc/loadavg: 1.00 1.00 1.00 2/107 4032
/proc/meminfo: memFree=35260/2059040 swapFree=4136456/4192956
[pid=4031] ppid=4029 vsize=0 CPUtime=25.89
/proc/4031/stat : 4031 (pbct) R 4029 4031 3446 0 -1 4194308 495750 0 0 0 2371 218 0 0 25 0 1 0 34064085 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/4031/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.89
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 25.9856
CPU time (s): 25.9781
CPU user time (s): 23.7134
CPU system time (s): 2.26466
CPU usage (%): 99.971
Max. virtual memory (cumulated for all children) (KiB): 1871408

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.7134
system time used= 2.26465
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 495750
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= 85

runsolver used 0.050992 second user time and 0.13098 second system time

The end

Launcher Data 

Begin job on node001 at 2010-06-15 08:50:01
IDJOB=2668382
IDBENCH=2630
IDSOLVER=1170
FILE ID=node001/2668382-1276584600
PBS_JOBID= 11173529
Free space on /tmp= 62512 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/golomb-rulers/normalized-OGR_18.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668382-1276584600/watcher-2668382-1276584600 -o /tmp/evaluation-result-2668382-1276584600/solver-2668382-1276584600 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668382-1276584600.opb

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

MD5SUM BENCH= de4cbecd7c9968d40b279ce145b888a9
RANDOM SEED=1556842883

node001.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		: 3000.202
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	: 6000.40
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		: 3000.202
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1840484 kB
Buffers:         18404 kB
Cached:         111492 kB
SwapCached:       9496 kB
Active:          77872 kB
Inactive:        64672 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1840484 kB
SwapTotal:     4192956 kB
SwapFree:      4136456 kB
Dirty:            6852 kB
Writeback:           0 kB
AnonPages:       11236 kB
Mapped:           9324 kB
Slab:            54176 kB
PageTables:       3972 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181812 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= 62512 MiB
End job on node001 at 2010-06-15 08:50:28