Trace number 2668357

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 0.1UNSAT 4.94725 4.94829

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-scorpion.opb
MD5SUM5969f09e744b158004f0e27c746edfe9
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
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables10740
Total number of constraints377
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 constraints377
Minimum length of a constraint30
Maximum length of a constraint600
Number of terms in the objective function 8460
Biggest coefficient in the objective function 10788957847552
Number of bits for the biggest coefficient in the objective function 44
Sum of the numbers in the objective function 603693086370759
Number of bits of the sum of numbers in the objective function 50
Biggest number in a constraint 33554432000000
Number of bits of the biggest number in a constraint 45
Biggest sum of numbers in a constraint 603693086370759
Number of bits of the biggest sum of numbers50
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
0.09/0.18	c constraints 362/0 clauses 3/0 units 388
0.09/0.18	c vars 10740
0.19/0.20	c objective 8254 + 0
3.69/3.76	c 3.46347 231.422 0 0
4.89/4.92	s UNSATISFIABLE

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-2668357-1276555322/watcher-2668357-1276555322 -o /tmp/evaluation-result-2668357-1276555322/solver-2668357-1276555322 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668357-1276555322.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 1.04 3/106 1605
/proc/meminfo: memFree=1829004/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=2352 CPUtime=0
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 275 0 0 0 0 0 0 0 20 0 1 0 31136219 2408448 197 1992294400 134512640 136485738 4287104096 18446744073709551615 135171939 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1605/statm: 588 197 151 482 0 104 0

[startup+0.0697351 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 1605
/proc/meminfo: memFree=1829004/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=3736 CPUtime=0.06
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 616 0 0 0 6 0 0 0 20 0 1 0 31136219 3825664 505 1992294400 134512640 136485738 4287104096 18446744073709551615 135850441 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1605/statm: 934 505 157 482 0 450 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 3736

[startup+0.100739 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 1605
/proc/meminfo: memFree=1829004/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=4400 CPUtime=0.09
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 785 0 0 0 9 0 0 0 20 0 1 0 31136219 4505600 674 1992294400 134512640 136485738 4287104096 18446744073709551615 135848207 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/1605/statm: 1100 674 157 482 0 616 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4400

[startup+0.300763 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 1605
/proc/meminfo: memFree=1829004/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=14556 CPUtime=0.29
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 3322 0 0 0 28 1 0 0 20 0 1 0 31136219 14905344 3211 1992294400 134512640 136485738 4287104096 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/1605/statm: 3639 3211 198 482 0 3155 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 14556

[startup+0.700809 s]
/proc/loadavg: 1.00 1.00 1.04 3/106 1605
/proc/meminfo: memFree=1829004/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=42800 CPUtime=0.69
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 10525 0 0 0 63 6 0 0 21 0 1 0 31136219 43827200 10041 1992294400 134512640 136485738 4287104096 18446744073709551615 135350462 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/1605/statm: 10700 10042 198 482 0 10216 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 42800

[startup+1.5009 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 1606
/proc/meminfo: memFree=1769724/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=90100 CPUtime=1.49
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 23085 0 0 0 137 12 0 0 23 0 1 0 31136219 92262400 21860 1992294400 134512640 136485738 4287104096 18446744073709551615 135756736 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/1605/statm: 22525 21860 198 482 0 22041 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 90100

[startup+3.10109 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 1606
/proc/meminfo: memFree=1712932/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=220604 CPUtime=3.09
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 57522 0 0 0 281 28 0 0 25 0 1 0 31136219 225898496 53368 1992294400 134512640 136485738 4287104096 18446744073709551615 134928835 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/1605/statm: 55151 53368 210 482 0 54667 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 220604

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

[startup+3.90119 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 1606
/proc/meminfo: memFree=1613608/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=226384 CPUtime=3.89
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 61748 0 0 0 359 30 0 0 25 0 1 0 31136219 231817216 55120 1992294400 134512640 136485738 4287104096 18446744073709551615 134673420 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/1605/statm: 56596 55120 246 482 0 56112 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 226384

[startup+4.70128 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 1606
/proc/meminfo: memFree=1614352/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=219740 CPUtime=4.69
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 61748 0 0 0 439 30 0 0 25 0 1 0 31136219 225013760 53531 1992294400 134512640 136485738 4287104096 18446744073709551615 135839787 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/1605/statm: 54935 53531 246 482 0 54451 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 219740

[startup+4.9003 s]
/proc/loadavg: 1.00 1.00 1.04 2/107 1606
/proc/meminfo: memFree=1614352/2059040 swapFree=4136456/4192956
[pid=1605] ppid=1603 vsize=207080 CPUtime=4.89
/proc/1605/stat : 1605 (pbct) R 1603 1605 1089 0 -1 4202496 61748 0 0 0 459 30 0 0 25 0 1 0 31136219 212049920 51423 1992294400 134512640 136485738 4287104096 18446744073709551615 135839940 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/1605/statm: 51770 51423 246 482 0 51286 0
Current children cumulated CPU time (s) 4.89
Current children cumulated vsize (KiB) 207080

Child status: 0
Real time (s): 4.94829
CPU time (s): 4.94725
CPU user time (s): 4.6203
CPU system time (s): 0.32695
CPU usage (%): 99.9789
Max. virtual memory (cumulated for all children) (KiB): 233488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.6203
system time used= 0.32695
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 61749
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= 11

runsolver used 0.007998 second user time and 0.031995 second system time

The end

Launcher Data 

Begin job on node001 at 2010-06-15 00:42:02
IDJOB=2668357
IDBENCH=2446
IDSOLVER=1170
FILE ID=node001/2668357-1276555322
PBS_JOBID= 11173490
Free space on /tmp= 62436 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-mps-v2-20-10-scorpion.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668357-1276555322/watcher-2668357-1276555322 -o /tmp/evaluation-result-2668357-1276555322/solver-2668357-1276555322 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668357-1276555322.opb

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

MD5SUM BENCH= 5969f09e744b158004f0e27c746edfe9
RANDOM SEED=1004034526

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:       1829408 kB
Buffers:         31908 kB
Cached:         119296 kB
SwapCached:       9648 kB
Active:          84180 kB
Inactive:        80004 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1829408 kB
SwapTotal:     4192956 kB
SwapFree:      4136456 kB
Dirty:            2636 kB
Writeback:           8 kB
AnonPages:       11500 kB
Mapped:           9304 kB
Slab:            43712 kB
PageTables:       3956 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181840 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= 62432 MiB
End job on node001 at 2010-06-15 00:42:07