Trace number 2682305

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) 41.5887 41.7035

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/unibo/normalized-mps-v2-20-10-van.opb
MD5SUM39e0cd41dc245360dae65b9c547829b7
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark25442247019
Best CPU time to get the best result obtained on this benchmark1800.66
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 24193312742
Optimality of the best value was proved NO
Number of variables135360
Total number of constraints39616
Number of constraints which are clauses128
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints39488
Minimum length of a constraint2
Maximum length of a constraint496
Number of terms in the objective function 192
Biggest coefficient in the objective function 2427002644
Number of bits for the biggest coefficient in the objective function 32
Sum of the numbers in the objective function 319999999936
Number of bits of the sum of numbers in the objective function 39
Biggest number in a constraint 226795425792
Number of bits of the biggest number in a constraint 38
Biggest sum of numbers in a constraint 973128929893
Number of bits of the biggest sum of numbers40
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
17.99/18.09	c constraints 39488/0 clauses 128/0 units 0
17.99/18.09	c vars 135360
17.99/18.09	c objective 192 + 0
41.40/41.52	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-2682305-1277485332/watcher-2682305-1277485332 -o /tmp/evaluation-result-2682305-1277485332/solver-2682305-1277485332 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682305-1277485332.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: 0.93 0.98 0.98 3/106 22856
/proc/meminfo: memFree=1726804/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=2268 CPUtime=0
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 294 0 0 0 0 0 0 0 23 0 1 0 122190141 2322432 214 1992294400 134512640 136421960 4293704800 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 567 214 146 467 0 98 0

[startup+0.0611531 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 22856
/proc/meminfo: memFree=1726804/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=3720 CPUtime=0.05
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 642 0 0 0 5 0 0 0 23 0 1 0 122190141 3809280 562 1992294400 134512640 136421960 4293704800 18446744073709551615 135377342 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 930 562 146 467 0 461 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3720

[startup+0.101156 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 22856
/proc/meminfo: memFree=1726804/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=4784 CPUtime=0.09
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 909 0 0 0 9 0 0 0 23 0 1 0 122190141 4898816 829 1992294400 134512640 136421960 4293704800 18446744073709551615 135818274 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 1196 829 146 467 0 727 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4784

[startup+0.301175 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 22856
/proc/meminfo: memFree=1726804/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=10064 CPUtime=0.29
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 2241 0 0 0 28 1 0 0 23 0 1 0 122190141 10305536 2161 1992294400 134512640 136421960 4293704800 18446744073709551615 135810690 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 2516 2161 146 467 0 2047 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10064

[startup+0.701214 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 22856
/proc/meminfo: memFree=1726804/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=18860 CPUtime=0.69
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 4434 0 0 0 67 2 0 0 25 0 1 0 122190141 19312640 4354 1992294400 134512640 136421960 4293704800 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 4715 4355 146 467 0 4246 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 18860

[startup+1.50129 s]
/proc/loadavg: 0.93 0.98 0.98 2/107 22857
/proc/meminfo: memFree=1702368/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=33640 CPUtime=1.49
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 8126 0 0 0 144 5 0 0 25 0 1 0 122190141 34447360 8046 1992294400 134512640 136421960 4293704800 18446744073709551615 134553572 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 8410 8046 146 467 0 7941 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 33640

[startup+3.10044 s]
/proc/loadavg: 0.93 0.98 0.98 2/107 22857
/proc/meminfo: memFree=1682528/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=63100 CPUtime=3.09
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 15505 0 0 0 301 8 0 0 25 0 1 0 122190141 64614400 15425 1992294400 134512640 136421960 4293704800 18446744073709551615 134518990 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 15775 15425 146 467 0 15306 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 63100

[startup+6.30075 s]
/proc/loadavg: 0.93 0.98 0.98 2/107 22857
/proc/meminfo: memFree=1623628/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=122472 CPUtime=6.29
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 30327 0 0 0 612 17 0 0 25 0 1 0 122190141 125411328 30247 1992294400 134512640 136421960 4293704800 18446744073709551615 135203973 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 30618 30247 146 467 0 30149 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 122472

[startup+12.7004 s]
/proc/loadavg: 0.94 0.98 0.98 2/107 22857
/proc/meminfo: memFree=1501116/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=242844 CPUtime=12.68
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 60412 0 0 0 1237 31 0 0 25 0 1 0 122190141 248672256 60332 1992294400 134512640 136421960 4293704800 18446744073709551615 135160329 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/22856/statm: 60711 60332 146 467 0 60242 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 242844

[startup+25.5016 s]
/proc/loadavg: 0.95 0.98 0.98 2/107 22857
/proc/meminfo: memFree=716320/2059040 swapFree=4139948/4192956
[pid=22856] ppid=22854 vsize=1055812 CPUtime=25.49
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 271423 0 0 0 2417 132 0 0 25 0 1 0 122190141 1081151488 259687 1992294400 134512640 136421960 4293704800 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22856/statm: 263953 259688 194 467 0 263484 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 1055812



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+41.512 s]
/proc/loadavg: 0.96 0.98 0.98 2/107 22857
/proc/meminfo: memFree=10780/2059040 swapFree=4139084/4192956
[pid=22856] ppid=22854 vsize=1844516 CPUtime=41.4
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4202496 487250 0 0 0 3905 235 0 0 25 0 1 0 122190141 1888784384 458876 1992294400 134512640 136421960 4293704800 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 10
/proc/22856/statm: 461129 458876 195 467 0 460660 0
Current children cumulated CPU time (s) 41.4
Current children cumulated vsize (KiB) 1844516

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

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

[startup+41.7011 s]
/proc/loadavg: 0.96 0.98 0.98 2/107 22857
/proc/meminfo: memFree=10780/2059040 swapFree=4139084/4192956
[pid=22856] ppid=22854 vsize=0 CPUtime=41.58
/proc/22856/stat : 22856 (pbct) R 22854 22856 22152 0 -1 4194308 487254 0 0 0 3905 253 0 0 25 0 1 0 122190141 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 1 0 0 10
/proc/22856/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 41.58
Current children cumulated vsize (KiB) 0

Child status: 0
Real time (s): 41.7035
CPU time (s): 41.5887
CPU user time (s): 39.0551
CPU system time (s): 2.53361
CPU usage (%): 99.7246
Max. virtual memory (cumulated for all children) (KiB): 1844516

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 39.0551
system time used= 2.53361
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 487254
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= 111

runsolver used 0.068989 second user time and 0.222966 second system time

The end

Launcher Data 

Begin job on node018 at 2010-06-25 19:02:18
IDJOB=2682305
IDBENCH=2345
IDSOLVER=1192
FILE ID=node018/2682305-1277485332
PBS_JOBID= 11190519
Free space on /tmp= 62412 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-van.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682305-1277485332/watcher-2682305-1277485332 -o /tmp/evaluation-result-2682305-1277485332/solver-2682305-1277485332 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682305-1277485332.opb

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

MD5SUM BENCH= 39e0cd41dc245360dae65b9c547829b7
RANDOM SEED=395448940

node018.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		: 3000.248
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	: 6000.49
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		: 3000.248
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	: 5599.47
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1726960 kB
Buffers:         46644 kB
Cached:         176484 kB
SwapCached:       5476 kB
Active:         146164 kB
Inactive:        90016 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1726960 kB
SwapTotal:     4192956 kB
SwapFree:      4139948 kB
Dirty:           79952 kB
Writeback:           0 kB
AnonPages:       11620 kB
Mapped:          11792 kB
Slab:            73572 kB
PageTables:       4128 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181808 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= 62412 MiB
End job on node018 at 2010-06-25 19:03:02