Trace number 2683136

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 fixed? (MO) 29.0636 29.0828

General information on the benchmark

Name/OPT-BIGINT-LIN/aries-da_nrp/
normalized-aries-da_network_1000_5__369_766__64.opb
MD5SUM3935acb679af0610bc9865152c63d37a
Bench CategoryOPT-BIGINT-LIN (optimisation, big integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark207310
Best CPU time to get the best result obtained on this benchmark1800.77
Has Objective FunctionYES
Satisfiable
(Un)Satisfiability was proved
Best value of the objective function
Optimality of the best value was proved
Number of variables320998
Total number of constraints6000
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)5002
Number of constraints which are nor clauses,nor cardinality constraints998
Minimum length of a constraint64
Maximum length of a constraint2625
Number of terms in the objective function 320000
Biggest coefficient in the objective function 122979
Number of bits for the biggest coefficient in the objective function 17
Sum of the numbers in the objective function 10990708032
Number of bits of the sum of numbers in the objective function 34
Biggest number in a constraint 122979
Number of bits of the biggest number in a constraint 17
Biggest sum of numbers in a constraint 10990708032
Number of bits of the biggest sum of numbers34
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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
3.59/3.69	c constraints 6000/0 clauses 0/0 units 0
3.59/3.69	c vars 320998
3.59/3.69	c objective 320000 + 0
28.89/28.91	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-2683136-1277507214/watcher-2683136-1277507214 -o /tmp/evaluation-result-2683136-1277507214/solver-2683136-1277507214 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2683136-1277507214.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: 0.99 0.98 0.99 3/105 31027
/proc/meminfo: memFree=1826484/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=2416 CPUtime=0
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 297 0 0 0 0 0 0 0 19 0 1 0 92015233 2473984 217 1992294400 134512640 136421960 4287208144 18446744073709551615 135160329 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31027/statm: 604 217 135 467 0 135 0

[startup+0.044505 s]
/proc/loadavg: 0.99 0.98 0.99 3/105 31027
/proc/meminfo: memFree=1826484/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=4008 CPUtime=0.04
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 729 0 0 0 4 0 0 0 21 0 1 0 92015233 4104192 502 1992294400 134512640 136421960 4287208144 18446744073709551615 135818229 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31027/statm: 1002 502 135 467 0 533 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4008

[startup+0.10151 s]
/proc/loadavg: 0.99 0.98 0.99 3/105 31027
/proc/meminfo: memFree=1826484/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=5864 CPUtime=0.09
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 1361 0 0 0 9 0 0 0 21 0 1 0 92015233 6004736 908 1992294400 134512640 136421960 4287208144 18446744073709551615 135818451 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31027/statm: 1466 908 135 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.301533 s]
/proc/loadavg: 0.99 0.98 0.99 3/105 31027
/proc/meminfo: memFree=1826484/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=15472 CPUtime=0.29
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 4000 0 0 0 28 1 0 0 21 0 1 0 92015233 15843328 3097 1992294400 134512640 136421960 4287208144 18446744073709551615 135818268 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31027/statm: 3868 3097 135 467 0 3399 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15472

[startup+0.701577 s]
/proc/loadavg: 0.99 0.98 0.99 3/105 31027
/proc/meminfo: memFree=1826484/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=30756 CPUtime=0.69
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 9416 0 0 0 66 3 0 0 22 0 1 0 92015233 31494144 5435 1992294400 134512640 136421960 4287208144 18446744073709551615 135825907 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31027/statm: 7689 5435 135 467 0 7220 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 30756

[startup+1.50166 s]
/proc/loadavg: 0.99 0.98 0.99 2/106 31028
/proc/meminfo: memFree=1803908/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=39268 CPUtime=1.49
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 11638 0 0 0 144 5 0 0 25 0 1 0 92015233 40210432 7657 1992294400 134512640 136421960 4287208144 18446744073709551615 135809591 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31027/statm: 9817 7657 141 467 0 9348 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 39268

[startup+3.10184 s]
/proc/loadavg: 0.99 0.98 0.99 2/106 31028
/proc/meminfo: memFree=1780100/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=83676 CPUtime=3.1
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 22278 0 0 0 299 11 0 0 25 0 1 0 92015233 85684224 18297 1992294400 134512640 136421960 4287208144 18446744073709551615 135809553 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/31027/statm: 20919 18297 145 467 0 20450 0
Current children cumulated CPU time (s) 3.1
Current children cumulated vsize (KiB) 83676

[startup+6.3012 s]
/proc/loadavg: 0.99 0.98 0.99 2/106 31028
/proc/meminfo: memFree=1603276/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=303476 CPUtime=6.29
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 78953 0 0 0 594 35 0 0 25 0 1 0 92015233 310759424 72851 1992294400 134512640 136421960 4287208144 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31027/statm: 75869 72852 193 467 0 75400 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 303476

[startup+12.7019 s]
/proc/loadavg: 0.99 0.98 0.99 2/106 31028
/proc/meminfo: memFree=1124512/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=773796 CPUtime=12.69
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 203240 0 0 0 1181 88 0 0 25 0 1 0 92015233 792367104 188048 1992294400 134512640 136421960 4287208144 18446744073709551615 134706999 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31027/statm: 193449 188048 193 467 0 192980 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 773796

[startup+25.5013 s]
/proc/loadavg: 0.99 0.98 0.99 2/106 31028
/proc/meminfo: memFree=249568/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=1615992 CPUtime=25.48
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 430879 0 0 0 2364 184 0 0 25 0 1 0 92015233 1654775808 398598 1992294400 134512640 136421960 4287208144 18446744073709551615 135810583 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31027/statm: 403998 398599 193 467 0 403529 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 1615992



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+28.9017 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 31028
/proc/meminfo: memFree=7920/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=1859280 CPUtime=28.89
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4202496 490456 0 0 0 2678 211 0 0 25 0 1 0 92015233 1903902720 458176 1992294400 134512640 136421960 4287208144 18446744073709551615 135829965 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/31027/statm: 464820 458183 193 467 0 464351 0
Current children cumulated CPU time (s) 28.89
Current children cumulated vsize (KiB) 1859280

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

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

[startup+29.0107 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 31028
/proc/meminfo: memFree=7920/2059040 swapFree=4135840/4192956
[pid=31027] ppid=31025 vsize=0 CPUtime=28.99
/proc/31027/stat : 31027 (pbct) R 31025 31027 30917 0 -1 4194308 490518 0 0 0 2678 221 0 0 25 0 1 0 92015233 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/31027/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 28.99
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 29.0828
CPU time (s): 29.0636
CPU user time (s): 26.7809
CPU system time (s): 2.28265
CPU usage (%): 99.9341
Max. virtual memory (cumulated for all children) (KiB): 1859280

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 26.7809
system time used= 2.28265
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 490518
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= 381

runsolver used 0.051992 second user time and 0.153976 second system time

The end

Launcher Data 

Begin job on node086 at 2010-06-26 01:06:55
IDJOB=2683136
IDBENCH=71911
IDSOLVER=1192
FILE ID=node086/2683136-1277507214
PBS_JOBID= 11190613
Free space on /tmp= 62328 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB09/normalized-PB09/OPT-BIGINT-LIN/aries-da_nrp/normalized-aries-da_network_1000_5__369_766__64.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2683136-1277507214/watcher-2683136-1277507214 -o /tmp/evaluation-result-2683136-1277507214/solver-2683136-1277507214 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2683136-1277507214.opb

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

MD5SUM BENCH= 3935acb679af0610bc9865152c63d37a
RANDOM SEED=660648459

node086.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		: 3000.244
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		: 3000.244
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	: 5999.40
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1826888 kB
Buffers:         24328 kB
Cached:         120784 kB
SwapCached:       9940 kB
Active:          84800 kB
Inactive:        73112 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1826888 kB
SwapTotal:     4192956 kB
SwapFree:      4135840 kB
Dirty:           16500 kB
Writeback:           0 kB
AnonPages:       11344 kB
Mapped:           8348 kB
Slab:            52308 kB
PageTables:       4104 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181232 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= 62324 MiB
End job on node086 at 2010-06-26 01:07:26