Trace number 2682324

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) 26.303 26.3101

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/unibo/normalized-mps-v2-20-10-dc1l.opb
MD5SUMb626c8307376f19de1f1e51bf91eca4f
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark322124436347890954240
Best CPU time to get the best result obtained on this benchmark1800.58
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 17540679175205888
Optimality of the best value was proved NO
Number of variables85198
Total number of constraints1652
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 constraints1652
Minimum length of a constraint31
Maximum length of a constraint35129
Number of terms in the objective function 85198
Biggest coefficient in the objective function 536870912000000000000
Number of bits for the biggest coefficient in the objective function 69
Sum of the numbers in the objective function 6796468271401867858547
Number of bits of the sum of numbers in the objective function 73
Biggest number in a constraint 536870912000000000000
Number of bits of the biggest number in a constraint 69
Biggest sum of numbers in a constraint 6796468271401867858547
Number of bits of the biggest sum of numbers73
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
2.10/2.17	c constraints 1652/0 clauses 0/0 units 0
2.10/2.17	c vars 85198
2.10/2.18	c objective 85198 + 0
26.12/26.14	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-2682324-1277486121/watcher-2682324-1277486121 -o /tmp/evaluation-result-2682324-1277486121/solver-2682324-1277486121 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682324-1277486121.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: 0.92 0.98 0.95 3/106 28282
/proc/meminfo: memFree=1756920/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=2416 CPUtime=0
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 292 0 0 0 0 0 0 0 20 0 1 0 89905874 2473984 212 1992294400 134512640 136421960 4292207488 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28282/statm: 604 212 138 467 0 135 0

[startup+0.045062 s]
/proc/loadavg: 0.92 0.98 0.95 3/106 28282
/proc/meminfo: memFree=1756920/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=3136 CPUtime=0.04
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 518 0 0 0 4 0 0 0 22 0 1 0 89905874 3211264 405 1992294400 134512640 136421960 4292207488 18446744073709551615 134530396 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28282/statm: 784 405 138 467 0 315 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 3136

[startup+0.102068 s]
/proc/loadavg: 0.92 0.98 0.95 3/106 28282
/proc/meminfo: memFree=1756920/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=5864 CPUtime=0.09
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 1288 0 0 0 9 0 0 0 22 0 1 0 89905874 6004736 835 1992294400 134512640 136421960 4292207488 18446744073709551615 135160348 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28282/statm: 1466 835 138 467 0 997 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 5864

[startup+0.301088 s]
/proc/loadavg: 0.92 0.98 0.95 3/106 28282
/proc/meminfo: memFree=1756920/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=9492 CPUtime=0.29
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 2557 0 0 0 28 1 0 0 22 0 1 0 89905874 9719808 1654 1992294400 134512640 136421960 4292207488 18446744073709551615 135158998 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28282/statm: 2373 1654 140 467 0 1904 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9492

[startup+0.70013 s]
/proc/loadavg: 0.92 0.98 0.95 3/106 28282
/proc/meminfo: memFree=1756920/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=17708 CPUtime=0.69
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 4571 0 0 0 68 1 0 0 24 0 1 0 89905874 18132992 3668 1992294400 134512640 136421960 4292207488 18446744073709551615 135153452 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28282/statm: 4427 3669 145 467 0 3958 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17708

[startup+1.50121 s]
/proc/loadavg: 0.92 0.98 0.95 2/107 28283
/proc/meminfo: memFree=1734840/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=33340 CPUtime=1.49
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 8228 0 0 0 146 3 0 0 25 0 1 0 89905874 34140160 7196 1992294400 134512640 136421960 4292207488 18446744073709551615 135159026 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/28282/statm: 8335 7196 146 467 0 7866 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 33340

[startup+3.10138 s]
/proc/loadavg: 0.92 0.98 0.95 2/107 28283
/proc/meminfo: memFree=1715744/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=118504 CPUtime=3.09
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 29646 0 0 0 297 12 0 0 25 0 1 0 89905874 121348096 27971 1992294400 134512640 136421960 4292207488 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28282/statm: 29626 27971 194 467 0 29157 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 118504

[startup+6.30171 s]
/proc/loadavg: 1.01 1.00 0.95 2/107 28283
/proc/meminfo: memFree=1490932/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=336820 CPUtime=6.29
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 87579 0 0 0 592 37 0 0 25 0 1 0 89905874 344903680 81478 1992294400 134512640 136421960 4292207488 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28282/statm: 84205 81478 194 467 0 83736 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 336820

[startup+12.7014 s]
/proc/loadavg: 1.17 1.03 0.96 2/107 28283
/proc/meminfo: memFree=1006852/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=797044 CPUtime=12.69
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 211590 0 0 0 1179 90 0 0 25 0 1 0 89905874 816173056 197380 1992294400 134512640 136421960 4292207488 18446744073709551615 134717096 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28282/statm: 199261 197381 194 467 0 198792 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 797044

[startup+25.5017 s]
/proc/loadavg: 1.13 1.03 0.96 2/107 28283
/proc/meminfo: memFree=176796/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=1657400 CPUtime=25.49
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 442805 0 0 0 2365 184 0 0 25 0 1 0 89905874 1697177600 397416 1992294400 134512640 136421960 4292207488 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28282/statm: 414350 397417 195 467 0 413881 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1657400



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+26.1077 s]
/proc/loadavg: 1.13 1.03 0.96 2/107 28283
/proc/meminfo: memFree=10328/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=1853832 CPUtime=26.12
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4202496 492798 0 0 0 2410 202 0 0 25 0 1 0 89905874 1898323968 443312 1992294400 134512640 136421960 4292207488 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/28282/statm: 463458 443317 196 467 0 462989 0
Current children cumulated CPU time (s) 26.12
Current children cumulated vsize (KiB) 1853832

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

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

[startup+26.2338 s]
/proc/loadavg: 1.13 1.03 0.96 2/107 28283
/proc/meminfo: memFree=10328/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=0 CPUtime=26.22
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4194308 492839 0 0 0 2410 212 0 0 25 0 1 0 89905874 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/28282/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 26.22
Current children cumulated vsize (KiB) 0

[startup+26.3008 s]
/proc/loadavg: 1.13 1.03 0.96 2/108 28284
/proc/meminfo: memFree=1726736/2059040 swapFree=4140024/4192956
[pid=28282] ppid=28280 vsize=0 CPUtime=26.29
/proc/28282/stat : 28282 (pbct) R 28280 28282 27682 0 -1 4194308 492839 0 0 0 2410 219 0 0 25 0 1 0 89905874 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 0
/proc/28282/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 26.29
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 26.3101
CPU time (s): 26.303
CPU user time (s): 24.1043
CPU system time (s): 2.19867
CPU usage (%): 99.9729
Max. virtual memory (cumulated for all children) (KiB): 1853832

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.1043
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= 492839
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= 24

runsolver used 0.040993 second user time and 0.150977 second system time

The end

Launcher Data 

Begin job on node083 at 2010-06-25 19:15:22
IDJOB=2682324
IDBENCH=2370
IDSOLVER=1192
FILE ID=node083/2682324-1277486121
PBS_JOBID= 11190485
Free space on /tmp= 62488 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/pub/unibo/normalized-mps-v2-20-10-dc1l.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682324-1277486121/watcher-2682324-1277486121 -o /tmp/evaluation-result-2682324-1277486121/solver-2682324-1277486121 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682324-1277486121.opb

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

MD5SUM BENCH= b626c8307376f19de1f1e51bf91eca4f
RANDOM SEED=357608993

node083.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		: 3000.262
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	: 6000.52
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		: 3000.262
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:       1757440 kB
Buffers:         61300 kB
Cached:         140924 kB
SwapCached:       5544 kB
Active:          74052 kB
Inactive:       141228 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1757440 kB
SwapTotal:     4192956 kB
SwapFree:      4140024 kB
Dirty:           10096 kB
Writeback:           0 kB
AnonPages:       11544 kB
Mapped:          12012 kB
Slab:            64412 kB
PageTables:       4172 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= 62488 MiB
End job on node083 at 2010-06-25 19:15:50