Trace number 3439751

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
SArTagnan 2011-05-15 (fixed)SAT 0.465928 0.34269

General information on the benchmark

Namecrafted/anton/SRHD-SGI/
srhd-sgi-m62-q1327.5-n60-p15-s1351253.cnf
MD5SUMb23c52475e3d098cb9d5a92c025d6982
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.465928
Satisfiable
(Un)Satisfiability was proved
Number of variables3420
Number of clauses1120760
Sum of the clauses size2244820
Maximum clause length62
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21120700
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 560

Solver Data

0.28/0.33	
0.28/0.33	s SATISFIABLE
0.28/0.33	
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Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 977)

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-3439751-1306965715/watcher-3439751-1306965715 -o /tmp/evaluation-result-3439751-1306965715/solver-3439751-1306965715 -C 40000 -W 5100 -M 31000 SArTagnan HOME/instance-3439751-1306965715.cnf -threads=8 

running on 8 cores: 0,2,4,6,1,3,5,7

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 40000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 40030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 31744000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 31795200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 7.47 7.98 7.99 1/528 1357
/proc/meminfo: memFree=21766364/32951124 swapFree=50328308/67111528
[pid=1357] ppid=1355 vsize=45236 CPUtime=0 cores=0-7
/proc/1357/stat : 1357 (SArTagnan) R 1355 1357 590 0 -1 4202496 527 0 0 0 0 0 0 0 24 0 1 0 788987799 46321664 464 33554432000 4194304 4625164 140736313548368 18446744073709551615 4257089 0 0 4096 2 0 0 0 17 2 0 0 0
/proc/1357/statm: 11309 464 296 106 0 6812 0

[startup+0.108933 s]
/proc/loadavg: 7.47 7.98 7.99 1/528 1357
/proc/meminfo: memFree=21766364/32951124 swapFree=50328308/67111528
[pid=1357] ppid=1355 vsize=52868 CPUtime=0.1 cores=0-7
/proc/1357/stat : 1357 (SArTagnan) R 1355 1357 590 0 -1 4202496 5795 0 0 0 10 0 0 0 25 0 1 0 788987799 54136832 1981 33554432000 4194304 4625164 140736313548368 18446744073709551615 4339447 0 0 4096 2 0 0 0 17 2 0 0 0
/proc/1357/statm: 13217 1981 296 106 0 8720 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 52868

[startup+0.200919 s]
/proc/loadavg: 7.47 7.98 7.99 1/528 1357
/proc/meminfo: memFree=21766364/32951124 swapFree=50328308/67111528
[pid=1357] ppid=1355 vsize=56688 CPUtime=0.19 cores=0-7
/proc/1357/stat : 1357 (SArTagnan) R 1355 1357 590 0 -1 4202496 8980 0 0 0 18 1 0 0 25 0 1 0 788987799 58048512 3258 33554432000 4194304 4625164 140736313548368 18446744073709551615 212039655168 0 0 4096 2 0 0 0 17 2 0 0 0
/proc/1357/statm: 14172 3258 296 106 0 9675 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 56688

[startup+0.3009 s]
/proc/loadavg: 7.47 7.98 7.99 1/528 1357
/proc/meminfo: memFree=21766364/32951124 swapFree=50328308/67111528
[pid=1357] ppid=1355 vsize=166640 CPUtime=0.28 cores=0-7
/proc/1357/stat : 1357 (SArTagnan) R 1355 1357 590 0 -1 4202496 32731 0 0 0 25 3 0 0 25 0 1 0 788987799 170639360 24146 33554432000 4194304 4625164 140736313548368 18446744073709551615 212039352789 0 0 4096 2 0 0 0 17 2 0 0 0
/proc/1357/statm: 41660 24168 298 106 0 37163 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 166640

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

[startup+0.3009 s]
/proc/loadavg: 7.47 7.98 7.99 1/528 1357
/proc/meminfo: memFree=21766364/32951124 swapFree=50328308/67111528
[pid=1357] ppid=1355 vsize=166640 CPUtime=0.28 cores=0-7
/proc/1357/stat : 1357 (SArTagnan) R 1355 1357 590 0 -1 4202496 32731 0 0 0 25 3 0 0 25 0 1 0 788987799 170639360 24146 33554432000 4194304 4625164 140736313548368 18446744073709551615 212039352789 0 0 4096 2 0 0 0 17 2 0 0 0
/proc/1357/statm: 41660 24168 298 106 0 37163 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 166640

Child status: 10
Real time (s): 0.34269
CPU time (s): 0.465928
CPU user time (s): 0.411937
CPU system time (s): 0.053991
CPU usage (%): 135.962
Max. virtual memory (cumulated for all children) (KiB): 166640

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.411937
system time used= 0.053991
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 38270
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= 31
involuntary context switches= 10

runsolver used 0.002999 second user time and 0.016997 second system time

The end

Launcher Data

Begin job on node146 at 2011-06-02 00:01:55
IDJOB=3439751
IDBENCH=88217
IDSOLVER=1936
FILE ID=node146/3439751-1306965715
RUNJOBID= node146-1306960404-614
PBS_JOBID= 13497605
Free space on /tmp= 73628 MiB

SOLVER NAME= SArTagnan 2011-05-15 (fixed)
BENCH NAME= SAT11/crafted/anton/SRHD-SGI/srhd-sgi-m62-q1327.5-n60-p15-s1351253.cnf
COMMAND LINE= SArTagnan BENCHNAME -threads=NBCORE
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3439751-1306965715/watcher-3439751-1306965715 -o /tmp/evaluation-result-3439751-1306965715/solver-3439751-1306965715 -C 40000 -W 5100 -M 31000  SArTagnan HOME/instance-3439751-1306965715.cnf -threads=8

TIME LIMIT= 40000 seconds
MEMORY LIMIT= 31000 MiB
NBCORE= 8

MD5SUM BENCH= b23c52475e3d098cb9d5a92c025d6982
RANDOM SEED=1718076215

node146.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		: 2666.830
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	: 5333.66
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		: 2666.830
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	: 5332.75
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		: 2666.830
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		: 2666.830
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	: 5332.86
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		: 2666.830
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	: 5332.75
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		: 2666.830
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	: 5332.75
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		: 2666.830
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		: 2666.830
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	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      21766520 kB
Buffers:        162384 kB
Cached:         283560 kB
SwapCached:       9256 kB
Active:       10632956 kB
Inactive:       251868 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      21766520 kB
SwapTotal:    67111528 kB
SwapFree:     50328308 kB
Dirty:           15268 kB
Writeback:           0 kB
AnonPages:    10437280 kB
Mapped:          27440 kB
Slab:           127992 kB
PageTables:      97304 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 160669028 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= 73628 MiB
End job on node146 at 2011-06-02 00:01:56