Trace number 2669309

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) 29.1736 31.2918

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/ftp.netlib.org/
lp/data/normalized-mps-v2-20-10-ship08l.opb
MD5SUM23a6addbd0d76e2876363785ec8dae3c
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark6.94394
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables128490
Total number of constraints704
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 constraints704
Minimum length of a constraint30
Maximum length of a constraint2550
Number of terms in the objective function 128490
Biggest coefficient in the objective function 435455996723200
Number of bits for the biggest coefficient in the objective function 49
Sum of the numbers in the objective function 204823519821908064
Number of bits of the sum of numbers in the objective function 58
Biggest number in a constraint 435455996723200
Number of bits of the biggest number in a constraint 49
Biggest sum of numbers in a constraint 204823519821908064
Number of bits of the biggest sum of numbers58
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
1.79/1.89	c constraints 704/0 clauses 0/0 units 257
1.79/1.89	c vars 128490
1.89/1.99	c objective 128274 + 0

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-2669309-1276546561/watcher-2669309-1276546561 -o /tmp/evaluation-result-2669309-1276546561/solver-2669309-1276546561 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669309-1276546561.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: 1.24 1.05 1.02 3/106 30271
/proc/meminfo: memFree=1753180/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=2488 CPUtime=0
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 303 0 0 0 0 0 0 0 20 0 1 0 30257922 2547712 226 1992294400 134512640 136485738 4294055552 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30271/statm: 622 227 151 482 0 138 0

[startup+0.010226 s]
/proc/loadavg: 1.24 1.05 1.02 3/106 30271
/proc/meminfo: memFree=1753180/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=2488 CPUtime=0
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 309 0 0 0 0 0 0 0 20 0 1 0 30257922 2547712 232 1992294400 134512640 136485738 4294055552 18446744073709551615 135565571 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30271/statm: 622 232 151 482 0 138 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 2488

[startup+0.101237 s]
/proc/loadavg: 1.24 1.05 1.02 3/106 30271
/proc/meminfo: memFree=1753180/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=6452 CPUtime=0.09
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 1234 0 0 0 9 0 0 0 20 0 1 0 30257922 6606848 913 1992294400 134512640 136485738 4294055552 18446744073709551615 135178844 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30271/statm: 1613 915 151 482 0 1129 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 6452

[startup+0.301257 s]
/proc/loadavg: 1.24 1.05 1.02 3/106 30271
/proc/meminfo: memFree=1753180/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=9564 CPUtime=0.29
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 2696 0 0 0 28 1 0 0 20 0 1 0 30257922 9793536 1796 1992294400 134512640 136485738 4294055552 18446744073709551615 135411219 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30271/statm: 2391 1796 151 482 0 1907 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9564

[startup+0.701301 s]
/proc/loadavg: 1.24 1.05 1.02 3/106 30271
/proc/meminfo: memFree=1753180/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=13308 CPUtime=0.69
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 3750 0 0 0 68 1 0 0 20 0 1 0 30257922 13627392 2850 1992294400 134512640 136485738 4294055552 18446744073709551615 135857057 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30271/statm: 3327 2850 155 482 0 2843 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 13308

[startup+1.50139 s]
/proc/loadavg: 1.24 1.05 1.02 2/107 30272
/proc/meminfo: memFree=1736184/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=30972 CPUtime=1.49
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 7762 0 0 0 146 3 0 0 23 0 1 0 30257922 31715328 6862 1992294400 134512640 136485738 4294055552 18446744073709551615 135172013 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30271/statm: 7743 6862 157 482 0 7259 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 30972

[startup+3.10157 s]
/proc/loadavg: 1.24 1.05 1.02 3/107 30272
/proc/meminfo: memFree=1706052/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=123600 CPUtime=3.1
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 30781 0 0 0 295 15 0 0 25 0 1 0 30257922 126566400 29237 1992294400 134512640 136485738 4294055552 18446744073709551615 134741678 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30271/statm: 30900 29238 197 482 0 30416 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 123600

[startup+6.30192 s]
/proc/loadavg: 1.22 1.05 1.02 2/107 30272
/proc/meminfo: memFree=1499220/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=331832 CPUtime=6.29
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 85807 0 0 0 592 37 0 0 25 0 1 0 30257922 339795968 79837 1992294400 134512640 136485738 4294055552 18446744073709551615 135359995 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30271/statm: 82958 79838 197 482 0 82474 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 331832

[startup+12.7016 s]
/proc/loadavg: 1.20 1.05 1.01 2/107 30272
/proc/meminfo: memFree=1079604/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=734776 CPUtime=12.69
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 192342 0 0 0 1187 82 0 0 25 0 1 0 30257922 752410624 180287 1992294400 134512640 136485738 4294055552 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30271/statm: 183727 180288 197 482 0 183243 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 734776

[startup+25.501 s]
/proc/loadavg: 1.15 1.05 1.01 2/107 30272
/proc/meminfo: memFree=287492/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=1504796 CPUtime=25.48
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 401340 0 0 0 2377 171 0 0 25 0 1 0 30257922 1540911104 372645 1992294400 134512640 136485738 4294055552 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30271/statm: 376199 372646 197 482 0 375715 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1504796



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+29.1008 s]
/proc/loadavg: 1.22 1.06 1.02 3/107 30272
/proc/meminfo: memFree=10448/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=1853304 CPUtime=28.98
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4202496 491524 0 0 0 2685 213 0 0 25 0 1 0 30257922 1897783296 450538 1992294400 134512640 136485738 4294055552 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 0 0 0 9
/proc/30271/statm: 463326 450538 199 482 0 462842 0
Current children cumulated CPU time (s) 28.98
Current children cumulated vsize (KiB) 1853304

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

Sending SIGKILL to process tree (bottom up)

Sending SIGKILL to -30271

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

[startup+30.2008 s]
/proc/loadavg: 1.22 1.06 1.02 1/108 30273
/proc/meminfo: memFree=10688/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=1853304 CPUtime=28.98
/proc/30271/stat : 30271 (pbct) S 30269 30271 29763 0 -1 4194304 491524 0 0 0 2685 213 0 0 25 0 1 0 30257922 1897783296 450538 1992294400 134512640 136485738 4294055552 18446744073709551615 135319262 0 16384 4096 16387 18446604437868800832 0 0 17 1 0 0 9
/proc/30271/statm: 463326 450538 199 482 0 462842 0
Current children cumulated CPU time (s) 28.98
Current children cumulated vsize (KiB) 1853304

[startup+31.0008 s]
/proc/loadavg: 1.22 1.06 1.02 1/108 30273
/proc/meminfo: memFree=10688/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=1853304 CPUtime=28.98
/proc/30271/stat : 30271 (pbct) S 30269 30271 29763 0 -1 4194304 491524 0 0 0 2685 213 0 0 25 0 1 0 30257922 1897783296 450538 1992294400 134512640 136485738 4294055552 18446744073709551615 135319262 0 16384 4096 16387 18446604437868800832 0 0 17 1 0 0 9
/proc/30271/statm: 463326 450538 199 482 0 462842 0
Current children cumulated CPU time (s) 28.98
Current children cumulated vsize (KiB) 1853304

[startup+31.2008 s]
/proc/loadavg: 1.22 1.06 1.02 1/108 30273
/proc/meminfo: memFree=10688/2059040 swapFree=4140228/4192956
[pid=30271] ppid=30269 vsize=0 CPUtime=29.07
/proc/30271/stat : 30271 (pbct) R 30269 30271 29763 0 -1 4195332 491524 0 0 0 2685 222 0 0 18 0 1 0 30257922 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 9
/proc/30271/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 29.07
Current children cumulated vsize (KiB) 0

Child ended because it received signal 9 (SIGKILL)
Real time (s): 31.2918
CPU time (s): 29.1736
CPU user time (s): 26.8579
CPU system time (s): 2.31565
CPU usage (%): 93.2306
Max. virtual memory (cumulated for all children) (KiB): 1853304

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.8579
system time used= 2.31565
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 491524
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= 3
involuntary context switches= 390

runsolver used 0.050992 second user time and 0.172973 second system time

The end

Launcher Data 

Begin job on node009 at 2010-06-14 22:16:02
IDJOB=2669309
IDBENCH=2397
IDSOLVER=1170
FILE ID=node009/2669309-1276546561
PBS_JOBID= 11173471
Free space on /tmp= 62444 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-ship08l.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669309-1276546561/watcher-2669309-1276546561 -o /tmp/evaluation-result-2669309-1276546561/solver-2669309-1276546561 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669309-1276546561.opb

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

MD5SUM BENCH= 23a6addbd0d76e2876363785ec8dae3c
RANDOM SEED=1633735047

node009.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		: 3000.199
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	: 6000.39
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		: 3000.199
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:       1753584 kB
Buffers:         91756 kB
Cached:         133296 kB
SwapCached:       6172 kB
Active:         104896 kB
Inactive:       132852 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1753584 kB
SwapTotal:     4192956 kB
SwapFree:      4140228 kB
Dirty:           10040 kB
Writeback:           0 kB
AnonPages:       11040 kB
Mapped:          12988 kB
Slab:            45724 kB
PageTables:       4036 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181308 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= 62440 MiB
End job on node009 at 2010-06-14 22:16:33