Trace number 3420108

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
minisat hack reference: minisat 2.2.0UNSAT 1.04284 1.04381

General information on the benchmark

Nameapplication/leberre/
2dimensionalstrippacking/E03N17.cnf
MD5SUMa7330fdd412cca5ee2ec4c82638d1610
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.04284
Satisfiable
(Un)Satisfiability was proved
Number of variables6664
Number of clauses93544
Sum of the clauses size502355
Maximum clause length55
Minimum clause length1
Number of clauses of size 133
Number of clauses of size 217523
Number of clauses of size 313696
Number of clauses of size 42771
Number of clauses of size 515844
Number of clauses of size over 543677

Solver Data 

0.99/1.04	WARNING: for repeatability, setting FPU to use double precision
0.99/1.04	============================[ Problem Statistics ]=============================
0.99/1.04	|                                                                             |
0.99/1.04	|  Number of variables:          6664                                         |
0.99/1.04	|  Number of clauses:           91653                                         |
0.99/1.04	|  Parse time:                   0.03 s                                       |
0.99/1.04	|  Eliminated clauses:           0.06 Mb                                      |
0.99/1.04	|  Simplification time:          0.48 s                                       |
0.99/1.04	|                                                                             |
0.99/1.04	============================[ Search Statistics ]==============================
0.99/1.04	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.99/1.04	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.99/1.04	===============================================================================
0.99/1.04	|       100 |    5026    61183   310632 |    22433      100     41 | 14.826 % |
0.99/1.04	|       250 |    5026    61183   310632 |    24677      250     26 | 14.826 % |
0.99/1.04	|       475 |    5026    61183   310632 |    27144      475     25 | 14.826 % |
0.99/1.04	|       812 |    5026    61183   310632 |    29859      812     29 | 14.826 % |
0.99/1.04	|      1318 |    5009    61183   310632 |    32845     1317     32 | 15.081 % |
0.99/1.04	|      2077 |    5009    61183   310632 |    36129     2076     30 | 15.081 % |
0.99/1.04	|      3216 |    5009    60998   309212 |    39742     3213     31 | 15.081 % |
0.99/1.04	|      4924 |    5009    60998   309212 |    43717     4921     33 | 15.081 % |
0.99/1.04	|      7486 |    5008    60996   309208 |    48088     7481     35 | 15.096 % |
0.99/1.04	|     11330 |    4998    60994   309204 |    52897    11317     35 | 15.247 % |
0.99/1.04	===============================================================================
0.99/1.04	restarts              : 61
0.99/1.04	conflicts             : 13902          (13434 /sec)
0.99/1.04	decisions             : 35621          (0.00 % random) (34422 /sec)
0.99/1.04	propagations          : 3026283        (2924391 /sec)
0.99/1.04	conflict literals     : 475547         (34.87 % deleted)
0.99/1.04	Memory used           : 27.00 MB
0.99/1.04	CPU time              : 1.03484 s
0.99/1.04	
0.99/1.04	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3420108-1306587581/watcher-3420108-1306587581 -o /tmp/evaluation-result-3420108-1306587581/solver-3420108-1306587581 -C 5000 -W 5100 -M 15500 minisat_release HOME/instance-3420108-1306587581.cnf 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.98 2.04 2.01 2/515 31517
/proc/meminfo: memFree=11022104/32950928 swapFree=67074476/67111528
[pid=31517] ppid=31515 vsize=21636 CPUtime=0.01 cores=0,2,4,6
/proc/31517/stat : 31517 (minisat_release) R 31515 31517 30993 0 -1 4202496 1388 0 0 0 1 0 0 0 25 0 1 0 848988756 22155264 1310 33554432000 4194304 4291037 140736782079728 18446744073709551615 4277897 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/31517/statm: 5409 1311 216 24 0 2043 0

[startup+0.107047 s]
/proc/loadavg: 1.98 2.04 2.01 2/515 31517
/proc/meminfo: memFree=11022104/32950928 swapFree=67074476/67111528
[pid=31517] ppid=31515 vsize=25608 CPUtime=0.09 cores=0,2,4,6
/proc/31517/stat : 31517 (minisat_release) R 31515 31517 30993 0 -1 4202496 3032 0 0 0 9 0 0 0 25 0 1 0 848988756 26222592 2790 33554432000 4194304 4291037 140736782079728 18446744073709551615 4229977 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/31517/statm: 6402 2790 239 24 0 3036 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 25608

[startup+0.201019 s]
/proc/loadavg: 1.98 2.04 2.01 2/515 31517
/proc/meminfo: memFree=11022104/32950928 swapFree=67074476/67111528
[pid=31517] ppid=31515 vsize=25608 CPUtime=0.19 cores=0,2,4,6
/proc/31517/stat : 31517 (minisat_release) R 31515 31517 30993 0 -1 4202496 3032 0 0 0 19 0 0 0 25 0 1 0 848988756 26222592 2790 33554432000 4194304 4291037 140736782079728 18446744073709551615 4230023 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/31517/statm: 6402 2790 239 24 0 3036 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 25608

[startup+0.301 s]
/proc/loadavg: 1.98 2.04 2.01 2/515 31517
/proc/meminfo: memFree=11022104/32950928 swapFree=67074476/67111528
[pid=31517] ppid=31515 vsize=25608 CPUtime=0.29 cores=0,2,4,6
/proc/31517/stat : 31517 (minisat_release) R 31515 31517 30993 0 -1 4202496 3032 0 0 0 29 0 0 0 25 0 1 0 848988756 26222592 2790 33554432000 4194304 4291037 140736782079728 18446744073709551615 4229944 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/31517/statm: 6402 2790 239 24 0 3036 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 25608

[startup+0.700933 s]
/proc/loadavg: 1.98 2.04 2.01 2/515 31517
/proc/meminfo: memFree=11022104/32950928 swapFree=67074476/67111528
[pid=31517] ppid=31515 vsize=23720 CPUtime=0.69 cores=0,2,4,6
/proc/31517/stat : 31517 (minisat_release) R 31515 31517 30993 0 -1 4202496 3780 0 0 0 69 0 0 0 25 0 1 0 848988756 24289280 2678 33554432000 4194304 4291037 140736782079728 18446744073709551615 4255890 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/31517/statm: 5930 2678 259 24 0 2564 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 23720

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

[startup+0.8009 s]
/proc/loadavg: 1.98 2.04 2.01 2/515 31517
/proc/meminfo: memFree=11022104/32950928 swapFree=67074476/67111528
[pid=31517] ppid=31515 vsize=25396 CPUtime=0.79 cores=0,2,4,6
/proc/31517/stat : 31517 (minisat_release) R 31515 31517 30993 0 -1 4202496 3886 0 0 0 79 0 0 0 25 0 1 0 848988756 26005504 2782 33554432000 4194304 4291037 140736782079728 18446744073709551615 4256127 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/31517/statm: 6349 2782 259 24 0 2983 0
Current children cumulated CPU time (s) 0.79
Current children cumulated vsize (KiB) 25396

[startup+1.00086 s]
/proc/loadavg: 1.98 2.04 2.01 2/515 31517
/proc/meminfo: memFree=11022104/32950928 swapFree=67074476/67111528
[pid=31517] ppid=31515 vsize=25396 CPUtime=0.99 cores=0,2,4,6
/proc/31517/stat : 31517 (minisat_release) R 31515 31517 30993 0 -1 4202496 4037 0 0 0 99 0 0 0 25 0 1 0 848988756 26005504 2931 33554432000 4194304 4291037 140736782079728 18446744073709551615 4251575 0 0 4096 8388610 0 0 0 17 4 0 0 0
/proc/31517/statm: 6349 2931 259 24 0 2983 0
Current children cumulated CPU time (s) 0.99
Current children cumulated vsize (KiB) 25396

Child status: 20
Real time (s): 1.04381
CPU time (s): 1.04284
CPU user time (s): 1.03484
CPU system time (s): 0.007998
CPU usage (%): 99.9066
Max. virtual memory (cumulated for all children) (KiB): 25760

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.03484
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4075
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= 7
involuntary context switches= 1

runsolver used 0.013997 second user time and 0.023996 second system time

The end

Launcher Data 

Begin job on node115 at 2011-05-28 14:59:41
IDJOB=3420108
IDBENCH=83441
IDSOLVER=1912
FILE ID=node115/3420108-1306587581
RUNJOBID= node115-1306579395-31011
PBS_JOBID= 13471565
Free space on /tmp= 73152 MiB

SOLVER NAME= minisat hack reference: minisat 2.2.0
BENCH NAME= SAT11/application/leberre/2dimensionalstrippacking/E03N17.cnf
COMMAND LINE= minisat_release BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3420108-1306587581/watcher-3420108-1306587581 -o /tmp/evaluation-result-3420108-1306587581/solver-3420108-1306587581 -C 5000 -W 5100 -M 15500  minisat_release HOME/instance-3420108-1306587581.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= a7330fdd412cca5ee2ec4c82638d1610
RANDOM SEED=375311314

node115.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	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.62
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5226.15
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.77
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.811
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
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 rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32950928 kB
MemFree:      11022268 kB
Buffers:        164696 kB
Cached:        3730660 kB
SwapCached:       5056 kB
Active:       14408136 kB
Inactive:      7190772 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32950928 kB
LowFree:      11022268 kB
SwapTotal:    67111528 kB
SwapFree:     67074476 kB
Dirty:            3128 kB
Writeback:           0 kB
AnonPages:    17701616 kB
Mapped:          41720 kB
Slab:           183248 kB
PageTables:      76064 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83586992 kB
Committed_AS: 152131412 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73152 MiB
End job on node115 at 2011-05-28 14:59:42