Trace number 3258844

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
shortsattime2011 2011-03-02SAT 1.3218 1.32618

General information on the benchmark

NameCRAFTED/rbsat/random/
forced/rbsat-v1150c84314gyes1.cnf
MD5SUMd6097a9814089eeede1d027388c17a02
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.3218
Satisfiable
(Un)Satisfiability was proved
Number of variables1150
Number of clauses84314
Sum of the clauses size169678
Maximum clause length23
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 284264
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 550

Solver Data

1.28/1.32	c 4151 clauses are redundant and removed
1.28/1.32	c 0 vars are fixed and 4151 clauses are removed after unit propagation
1.28/1.32	c 0 vars are fixed and 4151 clauses are removed after lookahead
1.28/1.32	c initial seed is 403515448
1.28/1.32	c try=1 flip j=326818 walk=293667 seed 403515465
1.28/1.32	c A solution is found
1.28/1.32	s SATISFIABLE
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1.28/1.32	v 0 
1.28/1.32	c Done (mycputime is 1 seconds)

Verifier Data

OK

Watcher Data

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 935)

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-3258844-1303504618/watcher-3258844-1303504618 -o /tmp/evaluation-result-3258844-1303504618/solver-3258844-1303504618 -C 2400 -W 1300 -M 7680 shortsattime2011 HOME/instance-3258844-1303504618.cnf 403508661 

running on 2 cores: 0,2

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 2430 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1300 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 7864320 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 7915520 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 4.00 3.98 3.28 3/181 1562
/proc/meminfo: memFree=12912840/32951124 swapFree=67111528/67111528
[pid=1562] ppid=1560 vsize=11800 CPUtime=0 cores=0,2
/proc/1562/stat : 1562 (runsolver) R 1560 1562 1417 0 -1 4202560 42 0 0 0 0 0 0 0 25 0 1 0 442877406 12083200 51 33554432000 4194304 5434984 140735411493616 18446744073709551615 4881607 0 2147483391 4096 24578 0 0 0 17 2 0 0 0
/proc/1562/statm: 2950 51 31 303 0 2644 0

[startup+0.036457 s]
/proc/loadavg: 4.00 3.98 3.28 3/181 1562
/proc/meminfo: memFree=12912840/32951124 swapFree=67111528/67111528
[pid=1562] ppid=1560 vsize=1187696 CPUtime=0.02 cores=0,2
/proc/1562/stat : 1562 (shortsattime201) R 1560 1562 1417 0 -1 4194304 1067 0 0 0 2 0 0 0 25 0 1 0 442877406 1216200704 1011 33554432000 4194304 4230460 140733732238544 18446744073709551615 270338044613 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/1562/statm: 296924 1011 100 9 0 294081 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 1187696

[startup+0.100422 s]
/proc/loadavg: 4.00 3.98 3.28 3/181 1562
/proc/meminfo: memFree=12912840/32951124 swapFree=67111528/67111528
[pid=1562] ppid=1560 vsize=1192048 CPUtime=0.08 cores=0,2
/proc/1562/stat : 1562 (shortsattime201) R 1560 1562 1417 0 -1 4202496 2359 0 0 0 8 0 0 0 25 0 1 0 442877406 1220657152 2302 33554432000 4194304 4230460 140733732238544 18446744073709551615 4207735 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/1562/statm: 298012 2302 103 9 0 295169 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 1192048

[startup+0.300412 s]
/proc/loadavg: 4.00 3.98 3.28 3/181 1562
/proc/meminfo: memFree=12912840/32951124 swapFree=67111528/67111528
[pid=1562] ppid=1560 vsize=1192048 CPUtime=0.28 cores=0,2
/proc/1562/stat : 1562 (shortsattime201) R 1560 1562 1417 0 -1 4202496 2362 0 0 0 28 0 0 0 25 0 1 0 442877406 1220657152 2305 33554432000 4194304 4230460 140733732238544 18446744073709551615 4207700 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/1562/statm: 298012 2305 103 9 0 295169 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 1192048

[startup+0.700277 s]
/proc/loadavg: 4.00 3.98 3.28 3/181 1562
/proc/meminfo: memFree=12912840/32951124 swapFree=67111528/67111528
[pid=1562] ppid=1560 vsize=1195220 CPUtime=0.68 cores=0,2
/proc/1562/stat : 1562 (shortsattime201) R 1560 1562 1417 0 -1 4202496 4009 0 0 0 68 0 0 0 25 0 1 0 442877406 1223905280 3951 33554432000 4194304 4230460 140733732238544 18446744073709551615 4219854 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/1562/statm: 298805 3951 117 9 0 295962 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 1195220

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

[startup+1.10719 s]
/proc/loadavg: 4.00 3.98 3.28 5/190 1628
/proc/meminfo: memFree=12845112/32951124 swapFree=67111528/67111528
[pid=1562] ppid=1560 vsize=1195220 CPUtime=1.09 cores=0,2
/proc/1562/stat : 1562 (shortsattime201) R 1560 1562 1417 0 -1 4202496 4009 0 0 0 109 0 0 0 25 0 1 0 442877406 1223905280 3951 33554432000 4194304 4230460 140733732238544 18446744073709551615 4219807 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/1562/statm: 298805 3951 117 9 0 295962 0
Current children cumulated CPU time (s) 1.09
Current children cumulated vsize (KiB) 1195220

[startup+1.30115 s]
/proc/loadavg: 4.00 3.98 3.28 5/190 1628
/proc/meminfo: memFree=12845112/32951124 swapFree=67111528/67111528
[pid=1562] ppid=1560 vsize=1195224 CPUtime=1.28 cores=0,2
/proc/1562/stat : 1562 (shortsattime201) R 1560 1562 1417 0 -1 4202496 4011 0 0 0 128 0 0 0 25 0 1 0 442877406 1223909376 3953 33554432000 4194304 4230460 140733732238544 18446744073709551615 270338383616 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/1562/statm: 298806 3953 117 9 0 295963 0
Current children cumulated CPU time (s) 1.28
Current children cumulated vsize (KiB) 1195224

Child status: 10
Real time (s): 1.32618
CPU time (s): 1.3218
CPU user time (s): 1.3138
CPU system time (s): 0.007998
CPU usage (%): 99.6693
Max. virtual memory (cumulated for all children) (KiB): 1195224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.3138
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= 4014
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= 2
involuntary context switches= 4

runsolver used 0.004999 second user time and 0.007998 second system time

The end

Launcher Data

Begin job on node143 at 2011-04-22 22:36:58
IDJOB=3258844
IDBENCH=71433
IDSOLVER=1566
FILE ID=node143/3258844-1303504618
RUNJOBID= node143-1303503316-1435
PBS_JOBID= 13134235
Free space on /tmp= 72088 MiB

SOLVER NAME= shortsattime2011 2011-03-02
BENCH NAME= SAT09/CRAFTED/rbsat/random/forced/rbsat-v1150c84314gyes1.cnf
COMMAND LINE= shortsattime2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3258844-1303504618/watcher-3258844-1303504618 -o /tmp/evaluation-result-3258844-1303504618/solver-3258844-1303504618 -C 2400 -W 1300 -M 7680  shortsattime2011 HOME/instance-3258844-1303504618.cnf 403508661

TIME LIMIT= 2400 seconds
MEMORY LIMIT= 7680 MiB
NBCORE= 2

MD5SUM BENCH= d6097a9814089eeede1d027388c17a02
RANDOM SEED=403508661

node143.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		: 2666.846
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	: 5333.69
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		: 2666.846
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		: 2666.846
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	: 5332.74
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		: 2666.846
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	: 5332.83
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		: 2666.846
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		: 2666.846
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	: 5332.83
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		: 2666.846
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	: 5332.74
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		: 2666.846
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      12909888 kB
Buffers:       1818260 kB
Cached:       17607432 kB
SwapCached:          0 kB
Active:        9215536 kB
Inactive:     10278200 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      12909888 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            8968 kB
Writeback:           0 kB
AnonPages:       67244 kB
Mapped:          15280 kB
Slab:           484532 kB
PageTables:       5172 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   253112 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= 72084 MiB
End job on node143 at 2011-04-22 22:36:59