Trace number 3423199

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
clasp 2.0-R4092-craftedSAT 0.552915 0.554451

General information on the benchmark

NameSAT05/crafted/sorge05/QG7a/
gensys-brn002.shuffled-as.sat05-3935.cnf
MD5SUMeda2d1e7d2975da4e019beddc323767b
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.337948
Satisfiable
(Un)Satisfiability was proved
Number of variables2401
Number of clauses15897
Sum of the clauses size111804
Maximum clause length13
Minimum clause length1
Number of clauses of size 135
Number of clauses of size 2385
Number of clauses of size 32205
Number of clauses of size 4294
Number of clauses of size 5441
Number of clauses of size over 512537

Solver Data 

0.00/0.00	c clasp version 2.0.0-RC2
0.00/0.00	c Reading from ...693873/instance-3423199-1306693873.cnf
0.03/0.05	c Solving...
0.49/0.55	c Answer: 1
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0.49/0.55	s SATISFIABLE
0.49/0.55	
0.49/0.55	c Models        : 1+    
0.49/0.55	c Time          : 0.551s (Solving: 0.50s 1st Model: 0.50s Unsat: 0.00s)
0.49/0.55	c CPU Time      : 0.540s

Verifier Data 

OK

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-3423199-1306693873/watcher-3423199-1306693873 -o /tmp/evaluation-result-3423199-1306693873/solver-3423199-1306693873 -C 5000 -W 5100 -M 15500 HOME/clasp --sat-p=20,25,120,-1,0 --berk-max=512 --berk-once --otfs=1 --recursive-str --dinit=800,10000 --dsched=20000,1.1 --reverse-arcs=2 HOME/instance-3423199-1306693873.cnf 

running on 4 cores: 1,3,5,7

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: 2.00 2.00 2.00 2/530 874
/proc/meminfo: memFree=6151032/32951132 swapFree=54105152/67111528
[pid=874] ppid=872 vsize=12900 CPUtime=0 cores=1,3,5,7
/proc/874/stat : 874 (clasp) R 872 874 660 0 -1 4202496 585 0 0 0 0 0 0 0 25 0 1 0 780985987 13209600 508 33554432000 4194304 4929204 140737048621632 18446744073709551615 242970211013 0 0 4096 18946 0 0 0 17 3 0 0 0
/proc/874/statm: 3225 508 330 180 0 235 0

[startup+0.0336931 s]
/proc/loadavg: 2.00 2.00 2.00 2/530 874
/proc/meminfo: memFree=6151032/32951132 swapFree=54105152/67111528
[pid=874] ppid=872 vsize=14792 CPUtime=0.03 cores=1,3,5,7
/proc/874/stat : 874 (clasp) R 872 874 660 0 -1 4202496 1084 0 0 0 3 0 0 0 25 0 1 0 780985987 15147008 985 33554432000 4194304 4929204 140737048621632 18446744073709551615 4582016 0 0 4096 18946 0 0 0 17 3 0 0 0
/proc/874/statm: 3698 985 342 180 0 708 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 14792

[startup+0.100669 s]
/proc/loadavg: 2.00 2.00 2.00 2/530 874
/proc/meminfo: memFree=6151032/32951132 swapFree=54105152/67111528
[pid=874] ppid=872 vsize=15044 CPUtime=0.09 cores=1,3,5,7
/proc/874/stat : 874 (clasp) R 872 874 660 0 -1 4202496 1215 0 0 0 9 0 0 0 25 0 1 0 780985987 15405056 1085 33554432000 4194304 4929204 140737048621632 18446744073709551615 4633732 0 0 4096 18946 0 0 0 17 3 0 0 0
/proc/874/statm: 3761 1085 367 180 0 771 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 15044

[startup+0.300648 s]
/proc/loadavg: 2.00 2.00 2.00 2/530 874
/proc/meminfo: memFree=6151032/32951132 swapFree=54105152/67111528
[pid=874] ppid=872 vsize=15044 CPUtime=0.29 cores=1,3,5,7
/proc/874/stat : 874 (clasp) R 872 874 660 0 -1 4202496 1215 0 0 0 29 0 0 0 25 0 1 0 780985987 15405056 1085 33554432000 4194304 4929204 140737048621632 18446744073709551615 4627746 0 0 4096 18946 0 0 0 17 3 0 0 0
/proc/874/statm: 3761 1085 367 180 0 771 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15044

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

[startup+0.500614 s]
/proc/loadavg: 2.00 2.00 2.00 2/530 874
/proc/meminfo: memFree=6151032/32951132 swapFree=54105152/67111528
[pid=874] ppid=872 vsize=15320 CPUtime=0.49 cores=1,3,5,7
/proc/874/stat : 874 (clasp) R 872 874 660 0 -1 4202496 1285 0 0 0 49 0 0 0 25 0 1 0 780985987 15687680 1155 33554432000 4194304 4929204 140737048621632 18446744073709551615 4316200 0 0 4096 18946 0 0 0 17 3 0 0 0
/proc/874/statm: 3830 1155 367 180 0 840 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 15320

Child status: 10
Real time (s): 0.554451
CPU time (s): 0.552915
CPU user time (s): 0.549916
CPU system time (s): 0.002999
CPU usage (%): 99.723
Max. virtual memory (cumulated for all children) (KiB): 15320

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.549916
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1316
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= 6

runsolver used 0.007998 second user time and 0.011998 second system time

The end

Launcher Data 

Begin job on node128 at 2011-05-29 20:31:13
IDJOB=3423199
IDBENCH=85786
IDSOLVER=1917
FILE ID=node128/3423199-1306693873
RUNJOBID= node128-1306690246-679
PBS_JOBID= 13471853
Free space on /tmp= 73576 MiB

SOLVER NAME= clasp 2.0-R4092-crafted
BENCH NAME= SAT05/crafted/sorge05/QG7a/gensys-brn002.shuffled-as.sat05-3935.cnf
COMMAND LINE= HOME/clasp --sat-p=20,25,120,-1,0 --berk-max=512 --berk-once --otfs=1 --recursive-str --dinit=800,10000 --dsched=20000,1.1 --reverse-arcs=2 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3423199-1306693873/watcher-3423199-1306693873 -o /tmp/evaluation-result-3423199-1306693873/solver-3423199-1306693873 -C 5000 -W 5100 -M 15500  HOME/clasp --sat-p=20,25,120,-1,0 --berk-max=512 --berk-once --otfs=1 --recursive-str --dinit=800,10000 --dsched=20000,1.1 --reverse-arcs=2 HOME/instance-3423199-1306693873.cnf

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

MD5SUM BENCH= eda2d1e7d2975da4e019beddc323767b
RANDOM SEED=105248434

node128.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		: 2666.852
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	: 5333.70
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		: 2666.852
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		: 2666.852
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	: 5332.82
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		: 2666.852
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		: 2666.852
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	: 5332.82
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		: 2666.852
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		: 2666.852
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	: 5332.82
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		: 2666.852
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	: 5434.49
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951132 kB
MemFree:       6151204 kB
Buffers:        271020 kB
Cached:        5041368 kB
SwapCached:      78304 kB
Active:       10396112 kB
Inactive:     16097588 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951132 kB
LowFree:       6151204 kB
SwapTotal:    67111528 kB
SwapFree:     54105152 kB
Dirty:            1172 kB
Writeback:           0 kB
AnonPages:    21112776 kB
Mapped:          20244 kB
Slab:           124612 kB
PageTables:     112084 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587092 kB
Committed_AS: 174826984 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296000 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73576 MiB
End job on node128 at 2011-05-29 20:31:14