Trace number 2668349

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) 43.2644 43.2906

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-maros-r7.opb
MD5SUM0981750c20a5ad85ded6bb04bf23d130
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 10442014720
Optimality of the best value was proved NO
Number of variables282240
Total number of constraints3136
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 constraints3136
Minimum length of a constraint150
Maximum length of a constraint720
Number of terms in the objective function 188160
Biggest coefficient in the objective function 536870912
Number of bits for the biggest coefficient in the objective function 30
Sum of the numbers in the objective function 6734508713856
Number of bits of the sum of numbers in the objective function 43
Biggest number in a constraint 536870912000000
Number of bits of the biggest number in a constraint 49
Biggest sum of numbers in a constraint 4602477289606474
Number of bits of the biggest sum of numbers53
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
8.90/8.98	c constraints 3136/0 clauses 0/0 units 0
8.90/8.98	c vars 282240
8.90/8.98	c objective 188160 + 0
43.08/43.11	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-2668349-1276551133/watcher-2668349-1276551133 -o /tmp/evaluation-result-2668349-1276551133/solver-2668349-1276551133 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668349-1276551133.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 1.06 3/107 31173
/proc/meminfo: memFree=1760124/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=2488 CPUtime=0
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 305 0 0 0 0 0 0 0 20 0 1 0 28769396 2547712 227 1992294400 134512640 136485738 4294467072 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 622 227 149 482 0 138 0

[startup+0.101968 s]
/proc/loadavg: 1.00 1.00 1.06 3/107 31173
/proc/meminfo: memFree=1760124/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=5936 CPUtime=0.09
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 1342 0 0 0 9 0 0 0 20 0 1 0 28769396 6078464 891 1992294400 134512640 136485738 4294467072 18446744073709551615 135171961 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 1484 891 149 482 0 1000 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5936

[startup+0.200977 s]
/proc/loadavg: 1.00 1.00 1.06 3/107 31173
/proc/meminfo: memFree=1760124/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=9564 CPUtime=0.19
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 2502 0 0 0 19 0 0 0 20 0 1 0 28769396 9793536 1601 1992294400 134512640 136485738 4294467072 18446744073709551615 135180878 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 2391 1601 149 482 0 1907 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 9564

[startup+0.300986 s]
/proc/loadavg: 1.00 1.00 1.06 3/107 31173
/proc/meminfo: memFree=1760124/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=10092 CPUtime=0.29
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 3010 0 0 0 29 0 0 0 20 0 1 0 28769396 10334208 2109 1992294400 134512640 136485738 4294467072 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 2523 2109 149 482 0 2039 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10092

[startup+0.701022 s]
/proc/loadavg: 1.00 1.00 1.06 3/107 31173
/proc/meminfo: memFree=1760124/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=16564 CPUtime=0.69
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 5119 0 0 0 68 1 0 0 20 0 1 0 28769396 16961536 3191 1992294400 134512640 136485738 4294467072 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 4141 3191 153 482 0 3657 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16564

[startup+1.50109 s]
/proc/loadavg: 1.00 1.00 1.06 2/108 31174
/proc/meminfo: memFree=1738416/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=32696 CPUtime=1.49
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 9106 0 0 0 146 3 0 0 23 0 1 0 28769396 33480704 7178 1992294400 134512640 136485738 4294467072 18446744073709551615 135416516 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 8174 7178 156 482 0 7690 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 32696

[startup+3.10124 s]
/proc/loadavg: 1.00 1.00 1.06 2/108 31174
/proc/meminfo: memFree=1716096/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=65392 CPUtime=3.09
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 17152 0 0 0 303 6 0 0 25 0 1 0 28769396 66961408 15224 1992294400 134512640 136485738 4294467072 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 16348 15224 156 482 0 15864 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 65392

[startup+6.30152 s]
/proc/loadavg: 1.00 1.00 1.06 2/108 31174
/proc/meminfo: memFree=1651368/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=130736 CPUtime=6.28
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 33272 0 0 0 614 14 0 0 25 0 1 0 28769396 133873664 31344 1992294400 134512640 136485738 4294467072 18446744073709551615 134524742 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31173/statm: 32684 31344 156 482 0 32200 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 130736

[startup+12.7011 s]
/proc/loadavg: 1.00 1.00 1.06 2/108 31174
/proc/meminfo: memFree=1424572/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=371124 CPUtime=12.69
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 95627 0 0 0 1229 40 0 0 25 0 1 0 28769396 380030976 91193 1992294400 134512640 136485738 4294467072 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31173/statm: 92781 91193 197 482 0 92297 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 371124

[startup+25.5013 s]
/proc/loadavg: 1.00 1.00 1.06 2/108 31176
/proc/meminfo: memFree=811020/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=1001788 CPUtime=25.49
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 264763 0 0 0 2439 110 0 0 25 0 1 0 28769396 1025830912 239515 1992294400 134512640 136485738 4294467072 18446744073709551615 135864596 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31173/statm: 250447 239516 197 482 0 249963 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1001788



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+43.1008 s]
/proc/loadavg: 1.00 1.00 1.05 2/108 31176
/proc/meminfo: memFree=9404/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=1846320 CPUtime=43.08
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4202496 491933 0 0 0 4106 202 0 0 25 0 1 0 28769396 1890631680 441978 1992294400 134512640 136485738 4294467072 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31173/statm: 461580 441979 197 482 0 461096 0
Current children cumulated CPU time (s) 43.08
Current children cumulated vsize (KiB) 1846320

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

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

[startup+43.2138 s]
/proc/loadavg: 1.00 1.00 1.05 2/108 31176
/proc/meminfo: memFree=9404/2059040 swapFree=4140108/4192956
[pid=31173] ppid=31171 vsize=0 CPUtime=43.18
/proc/31173/stat : 31173 (pbct) R 31171 31173 30980 0 -1 4194308 491941 0 0 0 4106 212 0 0 25 0 1 0 28769396 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/31173/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 43.18
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 43.2906
CPU time (s): 43.2644
CPU user time (s): 41.0658
CPU system time (s): 2.19867
CPU usage (%): 99.9395
Max. virtual memory (cumulated for all children) (KiB): 1846320

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 41.0658
system time used= 2.19867
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 491941
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= 2
involuntary context switches= 70

runsolver used 0.067989 second user time and 0.227965 second system time

The end

Launcher Data 

Begin job on node025 at 2010-06-14 23:32:17
IDJOB=2668349
IDBENCH=2422
IDSOLVER=1170
FILE ID=node025/2668349-1276551133
PBS_JOBID= 11173488
Free space on /tmp= 62532 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-maros-r7.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668349-1276551133/watcher-2668349-1276551133 -o /tmp/evaluation-result-2668349-1276551133/solver-2668349-1276551133 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668349-1276551133.opb

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

MD5SUM BENCH= 0981750c20a5ad85ded6bb04bf23d130
RANDOM SEED=546638725

node025.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		: 3000.242
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		: 3000.242
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1760652 kB
Buffers:         44936 kB
Cached:         163024 kB
SwapCached:       6616 kB
Active:         134020 kB
Inactive:        87192 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1760652 kB
SwapTotal:     4192956 kB
SwapFree:      4140108 kB
Dirty:           44340 kB
Writeback:           0 kB
AnonPages:       11440 kB
Mapped:          13020 kB
Slab:            55304 kB
PageTables:       4072 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   183140 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= 62528 MiB
End job on node025 at 2010-06-14 23:33:02