Trace number 3257393

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
synit_sat 2011-03-03SAT 1.72674 1.72845

General information on the benchmark

NameCRAFTED/
edgematching/all/em_8_4_5_all.cnf
MD5SUMbcbe82a00b39f246e1dc1a85b2c8371e
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.69974
Satisfiable
(Un)Satisfiability was proved
Number of variables2420
Number of clauses62900
Sum of the clauses size155908
Maximum clause length36
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 243724
Number of clauses of size 313968
Number of clauses of size 42628
Number of clauses of size 52460
Number of clauses of size over 5120

Solver Data

0.00/0.00	c start  0 total 0
0.00/0.02	c Find Units :          0
0.00/0.03	c Find Invs  :          0
0.02/0.03	c Find Ands  :       2420 AvgFaninNum: 25.0711
0.02/0.03	c Find Xors  :          0 AvgFaninNum: nan
0.02/0.03	c Find Ite   :          0
0.02/0.04	c UnDirect variable: 0
0.02/0.04	c UnDirect to Direct Gate: 0
0.02/0.04	c Forced Direct Gate: 0 Unuse unDirect Gate: 0
0.02/0.04	c Break Cycle : 2244
0.02/0.04	c Total Root : 0 Undef Var: 2244
0.02/0.04	c After covering, Total Root: 176 Leaf: 2244
0.02/0.04	c Variable( cover/uncovered/unused ): 2420 0 0
0.02/0.04	c Unit Clauses: 0
0.02/0.04	c Binary Clauses( cover/uncovered ): 2244 41480
0.02/0.04	c Clauses( cover/uncovered ): 176 17704
0.02/0.04	c Total Clauses( cover/uncovered ): 2420 59184 3.92832%
0.02/0.04	c Covered Ands: 176 Invs: 0 Xors: 0 Ites: 0
0.02/0.07	c Uncover Clauses avg size: 2.45188 max size: 36
0.02/0.08	c Final circuit: i/l/o/s    2244       0   59184     79518
0.02/0.08	c cover rate 3.92832
0.02/0.08	c rocky end  0.06 total 0.06
0.09/0.17	c covering time  0.11 total 0.17
1.69/1.71	c solve time  1.53 total 1.7
1.69/1.71	s SATISFIABLE 
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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-3257393-1303468695/watcher-3257393-1303468695 -o /tmp/evaluation-result-3257393-1303468695/solver-3257393-1303468695 -C 2400 -W 1300 -M 7680 HOME/synit_sat HOME/instance-3257393-1303468695.cnf 1650690374 

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: 4.04 4.00 3.66 2/183 1238
/proc/meminfo: memFree=13921180/32951124 swapFree=67111528/67111528
[pid=1238] ppid=1236 vsize=26004 CPUtime=0 cores=0,2
/proc/1238/stat : 1238 (synit_sat) R 1236 1238 1112 0 -1 4202496 705 0 0 0 0 0 0 0 25 0 1 0 458471893 26628096 643 33554432000 4194304 4947581 140734609609152 18446744073709551615 212435711035 0 0 4096 0 0 0 0 17 0 0 0 0
/proc/1238/statm: 6501 654 261 184 0 1376 0

[startup+0.035508 s]
/proc/loadavg: 4.04 4.00 3.66 2/183 1238
/proc/meminfo: memFree=13921180/32951124 swapFree=67111528/67111528
[pid=1238] ppid=1236 vsize=35800 CPUtime=0.02 cores=0,2
/proc/1238/stat : 1238 (synit_sat) R 1236 1238 1112 0 -1 4202496 3694 0 0 0 2 0 0 0 25 0 1 0 458471893 36659200 3629 33554432000 4194304 4947581 140734609609152 18446744073709551615 4283938 0 0 4096 24578 0 0 0 17 0 0 0 0
/proc/1238/statm: 8950 3631 378 184 0 3825 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 35800

[startup+0.100481 s]
/proc/loadavg: 4.04 4.00 3.66 2/183 1238
/proc/meminfo: memFree=13921180/32951124 swapFree=67111528/67111528
[pid=1238] ppid=1236 vsize=49624 CPUtime=0.09 cores=0,2
/proc/1238/stat : 1238 (synit_sat) R 1236 1238 1112 0 -1 4202496 7303 0 0 0 8 1 0 0 25 0 1 0 458471893 50814976 7238 33554432000 4194304 4947581 140734609609152 18446744073709551615 4842706 0 0 4096 24578 0 0 0 17 0 0 0 0
/proc/1238/statm: 12406 7238 392 184 0 7281 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 49624

[startup+0.300437 s]
/proc/loadavg: 4.04 4.00 3.66 2/183 1238
/proc/meminfo: memFree=13921180/32951124 swapFree=67111528/67111528
[pid=1238] ppid=1236 vsize=85676 CPUtime=0.28 cores=0,2
/proc/1238/stat : 1238 (synit_sat) R 1236 1238 1112 0 -1 4202496 14206 0 0 0 27 1 0 0 25 0 1 0 458471893 87732224 14129 33554432000 4194304 4947581 140734609609152 18446744073709551615 4400160 0 0 4096 24578 0 0 0 17 0 0 0 0
/proc/1238/statm: 21419 14129 432 184 0 16294 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 85676

[startup+0.700366 s]
/proc/loadavg: 4.04 4.00 3.66 2/183 1238
/proc/meminfo: memFree=13921180/32951124 swapFree=67111528/67111528
[pid=1238] ppid=1236 vsize=88748 CPUtime=0.69 cores=0,2
/proc/1238/stat : 1238 (synit_sat) R 1236 1238 1112 0 -1 4202496 14780 0 0 0 67 2 0 0 25 0 1 0 458471893 90877952 14703 33554432000 4194304 4947581 140734609609152 18446744073709551615 4398556 0 0 4096 24578 0 0 0 17 0 0 0 0
/proc/1238/statm: 22187 14703 438 184 0 17062 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 88748

[startup+1.50019 s]
/proc/loadavg: 3.96 3.99 3.65 4/188 1293
/proc/meminfo: memFree=13741292/32951124 swapFree=67111528/67111528
[pid=1238] ppid=1236 vsize=101728 CPUtime=1.49 cores=0,2
/proc/1238/stat : 1238 (synit_sat) R 1236 1238 1112 0 -1 4202496 16526 0 0 0 147 2 0 0 25 0 1 0 458471893 104169472 16449 33554432000 4194304 4947581 140734609609152 18446744073709551615 4399493 0 0 4096 24578 0 0 0 17 0 0 0 0
/proc/1238/statm: 25432 16449 461 184 0 20307 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 101728

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

[startup+1.70116 s]
/proc/loadavg: 3.96 3.99 3.65 4/188 1293
/proc/meminfo: memFree=13741292/32951124 swapFree=67111528/67111528
[pid=1238] ppid=1236 vsize=115092 CPUtime=1.69 cores=0,2
/proc/1238/stat : 1238 (synit_sat) R 1236 1238 1112 0 -1 4202496 21205 0 0 0 167 2 0 0 25 0 1 0 458471893 117854208 21127 33554432000 4194304 4947581 140734609609152 18446744073709551615 4379026 0 0 4096 24578 0 0 0 17 0 0 0 0
/proc/1238/statm: 28773 21132 463 184 0 23648 0
Current children cumulated CPU time (s) 1.69
Current children cumulated vsize (KiB) 115092

Child status: 0
Real time (s): 1.72845
CPU time (s): 1.72674
CPU user time (s): 1.69474
CPU system time (s): 0.031995
CPU usage (%): 99.901
Max. virtual memory (cumulated for all children) (KiB): 115092

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.69474
system time used= 0.031995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 21433
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= 10
involuntary context switches= 2

runsolver used 0.002999 second user time and 0.008998 second system time

The end

Launcher Data

Begin job on node102 at 2011-04-22 12:38:15
IDJOB=3257393
IDBENCH=70922
IDSOLVER=1571
FILE ID=node102/3257393-1303468695
RUNJOBID= node102-1303467393-1130
PBS_JOBID= 13107187
Free space on /tmp= 70916 MiB

SOLVER NAME= synit_sat 2011-03-03
BENCH NAME= SAT09/CRAFTED/edgematching/all/em_8_4_5_all.cnf
COMMAND LINE= HOME/synit_sat BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3257393-1303468695/watcher-3257393-1303468695 -o /tmp/evaluation-result-3257393-1303468695/solver-3257393-1303468695 -C 2400 -W 1300 -M 7680  HOME/synit_sat HOME/instance-3257393-1303468695.cnf 1650690374

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

MD5SUM BENCH= bcbe82a00b39f246e1dc1a85b2c8371e
RANDOM SEED=1650690374

node102.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		: 2666.828
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	: 5333.65
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		: 2666.828
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		: 2666.828
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		: 2666.828
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		: 2666.828
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		: 2666.828
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		: 2666.828
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		: 2666.828
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:      13921212 kB
Buffers:       1208528 kB
Cached:       17214320 kB
SwapCached:          0 kB
Active:        9007176 kB
Inactive:      9485320 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      13921212 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            3128 kB
Writeback:           0 kB
AnonPages:       69420 kB
Mapped:          15012 kB
Slab:           473204 kB
PageTables:       5304 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   286588 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= 70912 MiB
End job on node102 at 2011-04-22 12:38:17