Trace number 3379920

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
SApperloT2010 2011-05-15 (fixed)UNSAT 0.223965 0.228835

General information on the benchmark

NameSAT02/industrial/goldberg/rand_net/
rand_net60-30-1.shuffled.cnf
MD5SUM4297b314a32658522bc6751e20d6be5c
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.014997
Satisfiable
(Un)Satisfiability was proved
Number of variables3600
Number of clauses10681
Sum of the clauses size25140
Maximum clause length60
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 26960
Number of clauses of size 33720
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 51

Solver Data 

0.18/0.22	c Solved by BasicSolver 
0.18/0.22	
0.18/0.22	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-3379920-1305460999/watcher-3379920-1305460999 -o /tmp/evaluation-result-3379920-1305460999/solver-3379920-1305460999 -C 2400 -W 1300 -M 7680 SApperloT2010 HOME/instance-3379920-1305460999.cnf 

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: 4.02 4.05 3.88 3/259 25496
/proc/meminfo: memFree=20807700/32951124 swapFree=67056788/67111528
[pid=25496] ppid=25494 vsize=12576 CPUtime=0 cores=0,2
/proc/25496/stat : 25496 (SApperloT2010) R 25494 25496 25297 0 -1 4202496 531 0 0 0 0 0 0 0 25 0 1 0 657697751 12877824 471 33554432000 4194304 4394578 140734340722608 18446744073709551615 271550198469 0 0 4096 6 0 0 0 17 0 0 0 0
/proc/25496/statm: 3144 472 247 49 0 285 0

[startup+0.044918 s]
/proc/loadavg: 4.02 4.05 3.88 3/259 25496
/proc/meminfo: memFree=20807700/32951124 swapFree=67056788/67111528
[pid=25496] ppid=25494 vsize=13940 CPUtime=0.03 cores=0,2
/proc/25496/stat : 25496 (SApperloT2010) R 25494 25496 25297 0 -1 4202496 873 0 0 0 3 0 0 0 25 0 1 0 657697751 14274560 812 33554432000 4194304 4394578 140734340722608 18446744073709551615 271550562199 0 0 4096 6 0 0 0 17 0 0 0 0
/proc/25496/statm: 3485 812 256 49 0 626 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13940

[startup+0.100926 s]
/proc/loadavg: 4.02 4.05 3.88 3/259 25496
/proc/meminfo: memFree=20807700/32951124 swapFree=67056788/67111528
[pid=25496] ppid=25494 vsize=14816 CPUtime=0.08 cores=0,2
/proc/25496/stat : 25496 (SApperloT2010) R 25494 25496 25297 0 -1 4202496 1103 0 0 0 8 0 0 0 25 0 1 0 657697751 15171584 1042 33554432000 4194304 4394578 140734340722608 18446744073709551615 4298716 0 0 4096 6 0 0 0 17 0 0 0 0
/proc/25496/statm: 3704 1042 267 49 0 845 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 14816

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

[startup+0.200918 s]
/proc/loadavg: 4.02 4.05 3.88 3/259 25496
/proc/meminfo: memFree=20807700/32951124 swapFree=67056788/67111528
[pid=25496] ppid=25494 vsize=15344 CPUtime=0.18 cores=0,2
/proc/25496/stat : 25496 (SApperloT2010) R 25494 25496 25297 0 -1 4202496 1242 0 0 0 18 0 0 0 25 0 1 0 657697751 15712256 1181 33554432000 4194304 4394578 140734340722608 18446744073709551615 4298333 0 0 4096 6 0 0 0 17 0 0 0 0
/proc/25496/statm: 3836 1181 267 49 0 977 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 15344

Child status: 20
Real time (s): 0.228835
CPU time (s): 0.223965
CPU user time (s): 0.216967
CPU system time (s): 0.006998
CPU usage (%): 97.8718
Max. virtual memory (cumulated for all children) (KiB): 15344

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.216967
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1275
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= 13
involuntary context switches= 1

runsolver used 0.004999 second user time and 0.004999 second system time

The end

Launcher Data 

Begin job on node133 at 2011-05-15 14:03:19
IDJOB=3379920
IDBENCH=88003
IDSOLVER=1862
FILE ID=node133/3379920-1305460999
RUNJOBID= node133-1305459696-25315
PBS_JOBID= 13324912
Free space on /tmp= 73672 MiB

SOLVER NAME= SApperloT2010 2011-05-15 (fixed)
BENCH NAME= SAT02/industrial/goldberg/rand_net/rand_net60-30-1.shuffled.cnf
COMMAND LINE= SApperloT2010 BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3379920-1305460999/watcher-3379920-1305460999 -o /tmp/evaluation-result-3379920-1305460999/solver-3379920-1305460999 -C 2400 -W 1300 -M 7680  SApperloT2010 HOME/instance-3379920-1305460999.cnf

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

MD5SUM BENCH= 4297b314a32658522bc6751e20d6be5c
RANDOM SEED=567764548

node133.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		: 2666.834
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		: 2666.834
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		: 2666.834
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		: 2666.834
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	: 6741.12
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		: 2666.834
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	: 5332.74
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		: 2666.834
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		: 2666.834
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		: 2666.834
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:      20808980 kB
Buffers:        300184 kB
Cached:        3991920 kB
SwapCached:       8724 kB
Active:        8796144 kB
Inactive:      3059980 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      20808980 kB
SwapTotal:    67111528 kB
SwapFree:     67056788 kB
Dirty:             804 kB
Writeback:           0 kB
AnonPages:     7560912 kB
Mapped:          22212 kB
Slab:           199052 kB
PageTables:      24124 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 23412048 kB
VmallocTotal: 34359738367 kB
VmallocUsed:     33868 kB
VmallocChunk: 34359703231 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73668 MiB
End job on node133 at 2011-05-15 14:03:19