Trace number 3446053

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
adaptg2wsat2011 2011-03-02SAT 0.38994 0.391204

General information on the benchmark

Namerandom/large/
unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
MD5SUMcfefee970fb9a956a9dde1bcb9deab97
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.072988
Satisfiable
(Un)Satisfiability was proved
Number of variables2500
Number of clauses10500
Sum of the clauses size31500
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 310500
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

0.29/0.39	c 0 clauses are redundant and removed
0.29/0.39	c 0 vars are fixed and 0 clauses are removed after unit propagation
0.29/0.39	c 0 vars are fixed and 0 clauses are removed after lookahead
0.29/0.39	c initial seed is 1817119854
0.29/0.39	c try=1 flip j=647755 walk=588318 seed 1817119871
0.29/0.39	c A solution is found
0.29/0.39	s SATISFIABLE
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0.29/0.39	v 0 
0.29/0.39	c Done (mycputime is 0 seconds)

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-3446053-1307643399/watcher-3446053-1307643399 -o /tmp/evaluation-result-3446053-1307643399/solver-3446053-1307643399 -C 5000 -W 5100 -M 15500 adaptg2wsat2011 HOME/instance-3446053-1307643399.cnf 1817119854 

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: 1.92 1.98 1.99 2/177 11593
/proc/meminfo: memFree=32590592/32951124 swapFree=67052920/67111528
[pid=11593] ppid=11591 vsize=1068396 CPUtime=0 cores=0,2,4,6
/proc/11593/stat : 11593 (adaptg2wsat2011) R 11591 11593 10687 0 -1 4194304 283 0 0 0 0 0 0 0 25 0 1 0 875940318 1094037504 227 33554432000 4194304 4230508 140734692676928 18446744073709551615 230809165568 0 0 4096 0 0 0 0 17 2 0 0 0
/proc/11593/statm: 267099 227 100 9 0 264256 0

[startup+0.0392759 s]
/proc/loadavg: 1.92 1.98 1.99 2/177 11593
/proc/meminfo: memFree=32590592/32951124 swapFree=67052920/67111528
[pid=11593] ppid=11591 vsize=1069584 CPUtime=0.03 cores=0,2,4,6
/proc/11593/stat : 11593 (adaptg2wsat2011) R 11591 11593 10687 0 -1 4202496 789 0 0 0 3 0 0 0 25 0 1 0 875940318 1095254016 731 33554432000 4194304 4230508 140734692676928 18446744073709551615 4221311 0 0 4096 0 0 0 0 17 2 0 0 0
/proc/11593/statm: 267396 731 117 9 0 264553 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1069584

[startup+0.100296 s]
/proc/loadavg: 1.92 1.98 1.99 2/177 11593
/proc/meminfo: memFree=32590592/32951124 swapFree=67052920/67111528
[pid=11593] ppid=11591 vsize=1069584 CPUtime=0.09 cores=0,2,4,6
/proc/11593/stat : 11593 (adaptg2wsat2011) R 11591 11593 10687 0 -1 4202496 789 0 0 0 9 0 0 0 25 0 1 0 875940318 1095254016 731 33554432000 4194304 4230508 140734692676928 18446744073709551615 4220541 0 0 4096 0 0 0 0 17 2 0 0 0
/proc/11593/statm: 267396 731 117 9 0 264553 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1069584

[startup+0.300255 s]
/proc/loadavg: 1.92 1.98 1.99 2/177 11593
/proc/meminfo: memFree=32590592/32951124 swapFree=67052920/67111528
[pid=11593] ppid=11591 vsize=1069584 CPUtime=0.29 cores=0,2,4,6
/proc/11593/stat : 11593 (adaptg2wsat2011) R 11591 11593 10687 0 -1 4202496 789 0 0 0 29 0 0 0 25 0 1 0 875940318 1095254016 731 33554432000 4194304 4230508 140734692676928 18446744073709551615 4221612 0 0 4096 0 0 0 0 17 2 0 0 0
/proc/11593/statm: 267396 731 117 9 0 264553 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1069584

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

Child status: 10
Real time (s): 0.391204
CPU time (s): 0.38994
CPU user time (s): 0.38994
CPU system time (s): 0
CPU usage (%): 99.6769
Max. virtual memory (cumulated for all children) (KiB): 1069584

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.38994
system time used= 0
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 795
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= 3

runsolver used 0.001999 second user time and 0.004999 second system time

The end

Launcher Data

Begin job on node104 at 2011-06-09 20:16:39
IDJOB=3446053
IDBENCH=82641
IDSOLVER=1942
FILE ID=node104/3446053-1307643399
RUNJOBID= node104-1307638396-11293
PBS_JOBID= 13549387
Free space on /tmp= 74176 MiB

SOLVER NAME= adaptg2wsat2011 2011-03-02
BENCH NAME= SAT11/random/large/unif-k3-r4.2-v2500-c10500-S89508070-083-UNKNOWN.cnf
COMMAND LINE= adaptg2wsat2011 BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3446053-1307643399/watcher-3446053-1307643399 -o /tmp/evaluation-result-3446053-1307643399/solver-3446053-1307643399 -C 5000 -W 5100 -M 15500  adaptg2wsat2011 HOME/instance-3446053-1307643399.cnf 1817119854

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

MD5SUM BENCH= cfefee970fb9a956a9dde1bcb9deab97
RANDOM SEED=1817119854

node104.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		: 2666.855
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	: 5333.71
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		: 2666.855
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	: 5332.83
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		: 2666.855
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	: 5332.67
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		: 2666.855
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	: 5332.80
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		: 2666.855
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	: 5293.18
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		: 2666.855
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		: 2666.855
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		: 2666.855
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	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      32591036 kB
Buffers:         31572 kB
Cached:         166308 kB
SwapCached:      10300 kB
Active:         111756 kB
Inactive:       110680 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      32591036 kB
SwapTotal:    67111528 kB
SwapFree:     67052920 kB
Dirty:            8152 kB
Writeback:           0 kB
AnonPages:       22360 kB
Mapped:           9228 kB
Slab:            73508 kB
PageTables:       4824 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:  1279580 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= 74168 MiB
End job on node104 at 2011-06-09 20:16:39