Trace number 2696326

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 NameAnswerCPU timeWall clock time
pb_cplex 2010-06-29SAT 4.93825 4.94272

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
MD5SUM23ed8dbd20669d86dd929140e0f9c164
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.031994
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1838
Total number of constraints1330
Number of constraints which are clauses1260
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint17
Maximum length of a constraint35
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 36
Number of bits of the biggest sum of numbers6
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_cplex 1.0 - 20100701
0.00/0.00	c Parsing opb file format. File HOME/instance-2696326-1278016129.opb.
0.00/0.00	c Instance file HOME/instance-2696326-1278016129.opb
0.00/0.00	c File size is 237949 bytes.
0.00/0.20	c Highest Coefficient sum: 36
0.00/0.20	c  IBM ILOG License Manager: "IBM ILOG Optimization Suite for Academic Initiative" is accessing CPLEX 12 with option(s): "e m b q ".
0.00/0.21	c ============================[ Problem Statistics ]=============================
0.00/0.21	c |                                                                             |
0.00/0.21	c |  Parsing time:          0.20         s                                      |
0.00/0.21	c |  Number Variables:      1838                                                |
0.00/0.21	c |  Number Constraints:    1330                                                |
0.00/0.21	c ===============================================================================
4.88/4.93	c Remaining time 1799.80 sec.
4.88/4.93	s SATISFIABLE
4.88/4.93	c Solution value = 0.00
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4.88/4.94	c Total CPU time              : 4.90225 s

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2696326-1278016129/watcher-2696326-1278016129 -o /tmp/evaluation-result-2696326-1278016129/solver-2696326-1278016129 -C 1800 -W 2000 -M 1800 run HOME/instance-2696326-1278016129.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: 2.27 2.00 1.30 3/106 23809
/proc/meminfo: memFree=1447820/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0

[startup+0.103723 s]
/proc/loadavg: 2.27 2.00 1.30 3/106 23809
/proc/meminfo: memFree=1447820/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.201732 s]
/proc/loadavg: 2.27 2.00 1.30 3/106 23809
/proc/meminfo: memFree=1447820/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.30375 s]
/proc/loadavg: 2.27 2.00 1.30 3/106 23809
/proc/meminfo: memFree=1447820/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+0.700799 s]
/proc/loadavg: 2.27 2.00 1.30 3/106 23809
/proc/meminfo: memFree=1447820/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 8700

[startup+1.50088 s]
/proc/loadavg: 2.27 2.00 1.30 2/108 23811
/proc/meminfo: memFree=1437016/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
[pid=23810] ppid=23809 vsize=24688 CPUtime=1.48
/proc/23810/stat : 23810 (pb_cplex) R 23809 23809 23552 0 -1 4202496 5109 0 0 0 147 1 0 0 19 0 1 0 177214671 25280512 3026 1992294400 134512640 146736320 4292279840 18446744073709551615 135850301 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23810/statm: 6172 3026 934 2985 0 2714 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 33388

[startup+3.10105 s]
/proc/loadavg: 2.17 1.99 1.30 2/108 23811
/proc/meminfo: memFree=1435776/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
[pid=23810] ppid=23809 vsize=28044 CPUtime=3.08
/proc/23810/stat : 23810 (pb_cplex) R 23809 23809 23552 0 -1 4202496 7730 0 0 0 306 2 0 0 23 0 1 0 177214671 28717056 3709 1992294400 134512640 146736320 4292279840 18446744073709551615 135456930 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23810/statm: 7011 3709 936 2985 0 3553 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 36744

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

[startup+3.20107 s]
/proc/loadavg: 2.17 1.99 1.30 2/108 23811
/proc/meminfo: memFree=1435776/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
[pid=23810] ppid=23809 vsize=28044 CPUtime=3.18
/proc/23810/stat : 23810 (pb_cplex) R 23809 23809 23552 0 -1 4202496 7730 0 0 0 316 2 0 0 23 0 1 0 177214671 28717056 3709 1992294400 134512640 146736320 4292279840 18446744073709551615 136017474 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23810/statm: 7011 3709 936 2985 0 3553 0
Current children cumulated CPU time (s) 3.18
Current children cumulated vsize (KiB) 36744

[startup+4.00115 s]
/proc/loadavg: 2.17 1.99 1.30 2/108 23811
/proc/meminfo: memFree=1435404/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
[pid=23810] ppid=23809 vsize=28308 CPUtime=3.98
/proc/23810/stat : 23810 (pb_cplex) R 23809 23809 23552 0 -1 4202496 7769 0 0 0 396 2 0 0 25 0 1 0 177214671 28987392 3748 1992294400 134512640 146736320 4292279840 18446744073709551615 135996764 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23810/statm: 7077 3748 936 2985 0 3619 0
Current children cumulated CPU time (s) 3.98
Current children cumulated vsize (KiB) 37008

[startup+4.4012 s]
/proc/loadavg: 2.17 1.99 1.30 2/108 23811
/proc/meminfo: memFree=1437760/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
[pid=23810] ppid=23809 vsize=24996 CPUtime=4.39
/proc/23810/stat : 23810 (pb_cplex) R 23809 23809 23552 0 -1 4202496 8340 0 0 0 437 2 0 0 25 0 1 0 177214671 25595904 3158 1992294400 134512640 146736320 4292279840 18446744073709551615 136493482 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23810/statm: 6249 3158 945 2985 0 2791 0
Current children cumulated CPU time (s) 4.39
Current children cumulated vsize (KiB) 33696

[startup+4.80124 s]
/proc/loadavg: 2.17 1.99 1.30 2/108 23811
/proc/meminfo: memFree=1437760/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
[pid=23810] ppid=23809 vsize=24996 CPUtime=4.78
/proc/23810/stat : 23810 (pb_cplex) R 23809 23809 23552 0 -1 4202496 8348 0 0 0 476 2 0 0 25 0 1 0 177214671 25595904 3166 1992294400 134512640 146736320 4292279840 18446744073709551615 137147340 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23810/statm: 6249 3166 953 2985 0 2791 0
Current children cumulated CPU time (s) 4.78
Current children cumulated vsize (KiB) 33696

[startup+4.90125 s]
/proc/loadavg: 2.17 1.99 1.30 2/108 23811
/proc/meminfo: memFree=1437760/2059040 swapFree=4139292/4192956
[pid=23809] ppid=23807 vsize=8700 CPUtime=0
/proc/23809/stat : 23809 (run) S 23807 23809 23552 0 -1 4202496 364 0 0 0 0 0 0 0 18 0 1 0 177214671 8908800 249 1992294400 4194304 4922060 140734718304720 18446744073709551615 264367611013 0 65536 4100 65538 18446744071562232103 0 0 17 1 0 0 0
/proc/23809/statm: 2175 249 208 178 0 68 0
[pid=23810] ppid=23809 vsize=24996 CPUtime=4.88
/proc/23810/stat : 23810 (pb_cplex) R 23809 23809 23552 0 -1 4202496 8349 0 0 0 486 2 0 0 25 0 1 0 177214671 25595904 3167 1992294400 134512640 146736320 4292279840 18446744073709551615 136385185 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/23810/statm: 6249 3167 954 2985 0 2791 0
Current children cumulated CPU time (s) 4.88
Current children cumulated vsize (KiB) 33696

Child status: 0
Real time (s): 4.94272
CPU time (s): 4.93825
CPU user time (s): 4.90325
CPU system time (s): 0.034994
CPU usage (%): 99.9095
Max. virtual memory (cumulated for all children) (KiB): 37008

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.90325
system time used= 0.034994
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8752
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= 6
involuntary context switches= 52

runsolver used 0.011998 second user time and 0.028995 second system time

The end

Launcher Data 

Begin job on node009 at 2010-07-01 22:28:49
IDJOB=2696326
IDBENCH=1420
IDSOLVER=1209
FILE ID=node009/2696326-1278016129
PBS_JOBID= 11198746
Free space on /tmp= 62316 MiB

SOLVER NAME= pb_cplex 2010-06-29
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga35_35_sat_pb.cnf.cr.opb
COMMAND LINE= run BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2696326-1278016129/watcher-2696326-1278016129 -o /tmp/evaluation-result-2696326-1278016129/solver-2696326-1278016129 -C 1800 -W 2000 -M 1800  run HOME/instance-2696326-1278016129.opb

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

MD5SUM BENCH= 23ed8dbd20669d86dd929140e0f9c164
RANDOM SEED=1889509816

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:       1448348 kB
Buffers:        140428 kB
Cached:         367336 kB
SwapCached:       6480 kB
Active:         208788 kB
Inactive:       312340 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1448348 kB
SwapTotal:     4192956 kB
SwapFree:      4139292 kB
Dirty:           16844 kB
Writeback:           0 kB
AnonPages:       11788 kB
Mapped:          11932 kB
Slab:            67768 kB
PageTables:       4220 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182112 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= 62300 MiB
End job on node009 at 2010-07-01 22:28:54