Trace number 2668728

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 0.1Wrong UNSAT 3.04754 3.05014

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/
pub/unibo/normalized-mps-v2-20-10-UMTS.opb
MD5SUMc716bc6c519760d619aa6878c926054c
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark32998130
Best CPU time to get the best result obtained on this benchmark1800.53
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 31249460
Optimality of the best value was proved NO
Number of variables6402
Total number of constraints4465
Number of constraints which are clauses2785
Number of constraints which are cardinality constraints (but not clauses)1428
Number of constraints which are nor clauses,nor cardinality constraints252
Minimum length of a constraint1
Maximum length of a constraint511
Number of terms in the objective function 4170
Biggest coefficient in the objective function 23582998528
Number of bits for the biggest coefficient in the objective function 35
Sum of the numbers in the objective function 2904924551250
Number of bits of the sum of numbers in the objective function 42
Biggest number in a constraint 1024000000000
Number of bits of the biggest number in a constraint 40
Biggest sum of numbers in a constraint 2904924551250
Number of bits of the biggest sum of numbers42
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
0.29/0.32	c constraints 1680/0 clauses 2785/0 units 1368
0.29/0.32	c vars 6402
0.29/0.32	c objective 3774 + -3148530
2.29/2.38	c 2.19966 148.535 0 0
2.99/3.03	s UNSATISFIABLE

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-2668728-1276537420/watcher-2668728-1276537420 -o /tmp/evaluation-result-2668728-1276537420/solver-2668728-1276537420 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668728-1276537420.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 1.04 1.00 3/106 30500
/proc/meminfo: memFree=1852460/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=2488 CPUtime=0
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 307 0 0 0 0 0 0 0 18 0 1 0 29343409 2547712 230 1992294400 134512640 136485738 4292968912 18446744073709551615 135332318 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30500/statm: 622 230 151 482 0 138 0

[startup+0.0219139 s]
/proc/loadavg: 0.93 1.04 1.00 3/106 30500
/proc/meminfo: memFree=1852460/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=2752 CPUtime=0.02
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 378 0 0 0 2 0 0 0 20 0 1 0 29343409 2818048 301 1992294400 134512640 136485738 4292968912 18446744073709551615 134532482 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30500/statm: 688 303 155 482 0 204 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2752

[startup+0.100928 s]
/proc/loadavg: 0.93 1.04 1.00 3/106 30500
/proc/meminfo: memFree=1852460/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=3680 CPUtime=0.09
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 620 0 0 0 9 0 0 0 20 0 1 0 29343409 3768320 543 1992294400 134512640 136485738 4292968912 18446744073709551615 135856892 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30500/statm: 920 543 156 482 0 436 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3680

[startup+0.300961 s]
/proc/loadavg: 0.93 1.04 1.00 3/106 30500
/proc/meminfo: memFree=1852460/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=5004 CPUtime=0.29
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 952 0 0 0 29 0 0 0 20 0 1 0 29343409 5124096 875 1992294400 134512640 136485738 4292968912 18446744073709551615 135178839 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/30500/statm: 1251 875 157 482 0 767 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 5004

[startup+0.70103 s]
/proc/loadavg: 0.93 1.04 1.00 3/106 30500
/proc/meminfo: memFree=1852460/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=35480 CPUtime=0.69
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 8690 0 0 0 65 4 0 0 20 0 1 0 29343409 36331520 8239 1992294400 134512640 136485738 4292968912 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30500/statm: 8870 8239 198 482 0 8386 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 35480

[startup+1.50117 s]
/proc/loadavg: 0.93 1.04 1.00 2/107 30501
/proc/meminfo: memFree=1804960/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=80312 CPUtime=1.49
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 20622 0 0 0 139 10 0 0 23 0 1 0 29343409 82239488 19365 1992294400 134512640 136485738 4292968912 18446744073709551615 134725667 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30500/statm: 20078 19365 198 482 0 19594 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 80312

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

[startup+2.3003 s]
/proc/loadavg: 0.93 1.04 1.00 2/107 30501
/proc/meminfo: memFree=1716920/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=145528 CPUtime=2.29
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 37418 0 0 0 212 17 0 0 25 0 1 0 29343409 149020672 34577 1992294400 134512640 136485738 4292968912 18446744073709551615 134741825 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30500/statm: 36382 34577 210 482 0 35898 0
Current children cumulated CPU time (s) 2.29
Current children cumulated vsize (KiB) 145528

[startup+2.70037 s]
/proc/loadavg: 0.93 1.04 1.00 2/107 30501
/proc/meminfo: memFree=1716920/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=140176 CPUtime=2.69
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 39172 0 0 0 251 18 0 0 25 0 1 0 29343409 143540224 34197 1992294400 134512640 136485738 4292968912 18446744073709551615 134720114 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30500/statm: 35044 34197 246 482 0 34560 0
Current children cumulated CPU time (s) 2.69
Current children cumulated vsize (KiB) 140176

[startup+2.90041 s]
/proc/loadavg: 0.93 1.04 1.00 2/107 30501
/proc/meminfo: memFree=1716920/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=140176 CPUtime=2.89
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 39172 0 0 0 271 18 0 0 25 0 1 0 29343409 143540224 34197 1992294400 134512640 136485738 4292968912 18446744073709551615 135839931 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30500/statm: 35044 34197 246 482 0 34560 0
Current children cumulated CPU time (s) 2.89
Current children cumulated vsize (KiB) 140176

[startup+3.00042 s]
/proc/loadavg: 0.93 1.04 1.00 2/107 30501
/proc/meminfo: memFree=1716920/2059040 swapFree=4136080/4192956
[pid=30500] ppid=30498 vsize=140176 CPUtime=2.99
/proc/30500/stat : 30500 (pbct) R 30498 30500 30396 0 -1 4202496 39172 0 0 0 281 18 0 0 25 0 1 0 29343409 143540224 34197 1992294400 134512640 136485738 4292968912 18446744073709551615 135856849 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/30500/statm: 35044 34197 246 482 0 34560 0
Current children cumulated CPU time (s) 2.99
Current children cumulated vsize (KiB) 140176

Child status: 0
Real time (s): 3.05014
CPU time (s): 3.04754
CPU user time (s): 2.84457
CPU system time (s): 0.202969
CPU usage (%): 99.9145
Max. virtual memory (cumulated for all children) (KiB): 150912

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.84457
system time used= 0.202969
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 39173
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= 11

runsolver used 0.011998 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node014 at 2010-06-14 19:43:40
IDJOB=2668728
IDBENCH=2354
IDSOLVER=1170
FILE ID=node014/2668728-1276537420
PBS_JOBID= 11173468
Free space on /tmp= 62504 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/OPT-BIGINT/mps-v2-20-10/plato.asu.edu/pub/unibo/normalized-mps-v2-20-10-UMTS.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668728-1276537420/watcher-2668728-1276537420 -o /tmp/evaluation-result-2668728-1276537420/solver-2668728-1276537420 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668728-1276537420.opb

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

MD5SUM BENCH= c716bc6c519760d619aa6878c926054c
RANDOM SEED=258153740

node014.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		: 3000.258
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	: 6000.51
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		: 3000.258
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1852988 kB
Buffers:         20532 kB
Cached:          98888 kB
SwapCached:      11124 kB
Active:          72332 kB
Inactive:        61168 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1852988 kB
SwapTotal:     4192956 kB
SwapFree:      4136080 kB
Dirty:            2340 kB
Writeback:           4 kB
AnonPages:       11316 kB
Mapped:           9212 kB
Slab:            50816 kB
PageTables:       4108 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181948 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= 62504 MiB
End job on node014 at 2010-06-14 19:43:43