Trace number 2668704

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) 52.874 53.1019

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/fctp/normalized-mps-v2-20-10-n3703.opb
MD5SUM35c934e0cd42ffa30810ffe35ff61781
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmark
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 5257865308
Optimality of the best value was proved NO
Number of variables155000
Total number of constraints5150
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 constraints5150
Minimum length of a constraint31
Maximum length of a constraint3000
Number of terms in the objective function 154999
Biggest coefficient in the objective function 4294967296
Number of bits for the biggest coefficient in the objective function 33
Sum of the numbers in the objective function 29657420026984
Number of bits of the sum of numbers in the objective function 45
Biggest number in a constraint 4294967296
Number of bits of the biggest number in a constraint 33
Biggest sum of numbers in a constraint 29657420026984
Number of bits of the biggest sum of numbers45
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
2.69/2.76	c constraints 5150/0 clauses 0/0 units 58059
2.69/2.76	c vars 155000
27.58/27.69	c objective 124325 + 0
52.68/52.92	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-2668704-1276524889/watcher-2668704-1276524889 -o /tmp/evaluation-result-2668704-1276524889/solver-2668704-1276524889 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668704-1276524889.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: 2.00 1.98 1.64 3/106 30523
/proc/meminfo: memFree=1686232/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=2488 CPUtime=0
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 305 0 0 0 0 0 0 0 21 0 1 0 26145258 2547712 227 1992294400 134512640 136485738 4291971760 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 622 227 151 482 0 138 0

[startup+0.0351661 s]
/proc/loadavg: 2.00 1.98 1.64 3/106 30523
/proc/meminfo: memFree=1686232/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=3076 CPUtime=0.03
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 496 0 0 0 3 0 0 0 21 0 1 0 26145258 3149824 385 1992294400 134512640 136485738 4291971760 18446744073709551615 135418932 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 769 385 151 482 0 285 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 3076

[startup+0.101171 s]
/proc/loadavg: 2.00 1.98 1.64 3/106 30523
/proc/meminfo: memFree=1686232/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=5936 CPUtime=0.09
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 1322 0 0 0 9 0 0 0 21 0 1 0 26145258 6078464 871 1992294400 134512640 136485738 4291971760 18446744073709551615 135864601 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 1484 871 151 482 0 1000 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5936

[startup+0.30119 s]
/proc/loadavg: 2.00 1.98 1.64 3/106 30523
/proc/meminfo: memFree=1686232/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=9960 CPUtime=0.29
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 2920 0 0 0 28 1 0 0 21 0 1 0 26145258 10199040 2019 1992294400 134512640 136485738 4291971760 18446744073709551615 135849241 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 2490 2019 151 482 0 2006 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9960

[startup+0.70023 s]
/proc/loadavg: 2.00 1.98 1.64 3/106 30523
/proc/meminfo: memFree=1686232/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=16564 CPUtime=0.69
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 4849 0 0 0 67 2 0 0 22 0 1 0 26145258 16961536 2921 1992294400 134512640 136485738 4291971760 18446744073709551615 135411146 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 4141 2921 155 482 0 3657 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16564

[startup+1.50031 s]
/proc/loadavg: 2.00 1.98 1.64 2/107 30524
/proc/meminfo: memFree=1669484/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=33968 CPUtime=1.49
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 8858 0 0 0 146 3 0 0 25 0 1 0 26145258 34783232 6930 1992294400 134512640 136485738 4291971760 18446744073709551615 135565571 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 8492 6930 155 482 0 8008 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 33968

[startup+3.10046 s]
/proc/loadavg: 2.00 1.98 1.64 2/107 30524
/proc/meminfo: memFree=1645676/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=49516 CPUtime=3.09
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 12671 0 0 0 304 5 0 0 25 0 1 0 26145258 50704384 10743 1992294400 134512640 136485738 4291971760 18446744073709551615 135180333 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 12379 10743 160 482 0 11895 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 49516

[startup+6.30077 s]
/proc/loadavg: 2.00 1.98 1.64 2/107 30524
/proc/meminfo: memFree=1643072/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=49516 CPUtime=6.29
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 12671 0 0 0 624 5 0 0 25 0 1 0 26145258 50704384 10743 1992294400 134512640 136485738 4291971760 18446744073709551615 135180333 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 12379 10743 160 482 0 11895 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 49516

[startup+12.7014 s]
/proc/loadavg: 1.85 1.95 1.64 2/107 30524
/proc/meminfo: memFree=1643072/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=49516 CPUtime=12.69
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 12671 0 0 0 1264 5 0 0 25 0 1 0 26145258 50704384 10743 1992294400 134512640 136485738 4291971760 18446744073709551615 134539116 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 12379 10743 160 482 0 11895 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 49516

[startup+25.5016 s]
/proc/loadavg: 1.72 1.92 1.63 2/107 30524
/proc/meminfo: memFree=1643072/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=49516 CPUtime=25.48
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 12671 0 0 0 2543 5 0 0 25 0 1 0 26145258 50704384 10743 1992294400 134512640 136485738 4291971760 18446744073709551615 135180296 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30523/statm: 12379 10743 160 482 0 11895 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 49516

[startup+51.1011 s]
/proc/loadavg: 1.47 1.84 1.61 2/107 30524
/proc/meminfo: memFree=144036/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=1609072 CPUtime=51.08
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 428652 0 0 0 4928 180 0 0 25 0 1 0 26145258 1647689728 398926 1992294400 134512640 136485738 4291971760 18446744073709551615 135340046 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30523/statm: 402268 398927 197 482 0 401784 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 1609072



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+52.9081 s]
/proc/loadavg: 1.59 1.86 1.62 2/107 30524
/proc/meminfo: memFree=7880/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=1857232 CPUtime=52.68
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4202496 492134 0 0 0 5049 219 0 0 25 0 1 0 26145258 1901805568 462408 1992294400 134512640 136485738 4291971760 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 0 0 0 20
/proc/30523/statm: 464308 462412 199 482 0 463824 0
Current children cumulated CPU time (s) 52.68
Current children cumulated vsize (KiB) 1857232

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

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

[startup+53.1001 s]
/proc/loadavg: 1.59 1.86 1.62 2/107 30524
/proc/meminfo: memFree=7880/2059040 swapFree=4140228/4192956
[pid=30523] ppid=30521 vsize=0 CPUtime=52.86
/proc/30523/stat : 30523 (pbct) R 30521 30523 30054 0 -1 4194308 492167 0 0 0 5049 237 0 0 25 0 1 0 26145258 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 20
/proc/30523/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 52.86
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 53.1019
CPU time (s): 52.874
CPU user time (s): 50.4983
CPU system time (s): 2.37564
CPU usage (%): 99.5707
Max. virtual memory (cumulated for all children) (KiB): 1857232

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 50.4983
system time used= 2.37564
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 492167
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= 4
involuntary context switches= 714

runsolver used 0.082987 second user time and 0.283956 second system time

The end

Launcher Data 

Begin job on node018 at 2010-06-14 16:14:49
IDJOB=2668704
IDBENCH=2307
IDSOLVER=1170
FILE ID=node018/2668704-1276524889
PBS_JOBID= 11173438
Free space on /tmp= 62360 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/pub/fctp/normalized-mps-v2-20-10-n3703.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668704-1276524889/watcher-2668704-1276524889 -o /tmp/evaluation-result-2668704-1276524889/solver-2668704-1276524889 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668704-1276524889.opb

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

MD5SUM BENCH= 35c934e0cd42ffa30810ffe35ff61781
RANDOM SEED=757569921

node018.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1686752 kB
Buffers:        141860 kB
Cached:         137436 kB
SwapCached:       5768 kB
Active:         111948 kB
Inactive:       179784 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1686752 kB
SwapTotal:     4192956 kB
SwapFree:      4140228 kB
Dirty:           10556 kB
Writeback:           0 kB
AnonPages:       11088 kB
Mapped:          12840 kB
Slab:            58868 kB
PageTables:       3948 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180788 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= 62360 MiB
End job on node018 at 2010-06-14 16:15:44