Trace number 3422615

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
minisat hack: EBMiniSAT 2011-03-02UNSAT 2.04569 2.04776

General information on the benchmark

NameSAT02/industrial/goldberg/rand_net/
rand_net60-25-10.shuffled.cnf
MD5SUMdd1af4a49cb180c38b205e527a19fa4c
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.011997
Satisfiable
(Un)Satisfiability was proved
Number of variables3000
Number of clauses8881
Sum of the clauses size20940
Maximum clause length60
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 25760
Number of clauses of size 33120
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 51

Solver Data 

1.99/2.04	c WARNING: for repeatability, setting FPU to use double precision
1.99/2.04	c restarts              : 186
1.99/2.04	c conflicts             : 58013          (28373 /sec)
1.99/2.04	c decisions             : 185435         (0.00 % random) (90691 /sec)
1.99/2.04	c propagations          : 11291067       (5522144 /sec)
1.99/2.04	c conflict literals     : 1325189        (20.79 % deleted)
1.99/2.04	c Memory used           : 19.00 MB
1.99/2.04	c CPU time              : 2.04469 s
1.99/2.04	
1.99/2.04	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-3422615-1306689459/watcher-3422615-1306689459 -o /tmp/evaluation-result-3422615-1306689459/solver-3422615-1306689459 -C 5000 -W 5100 -M 15500 HOME/ebminisat_release HOME/instance-3422615-1306689459.cnf -verb=0 

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: 7.56 7.98 8.00 3/481 11275
/proc/meminfo: memFree=27473000/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=20052 CPUtime=0 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 616 0 0 0 0 0 0 0 25 0 1 0 780548291 20533248 553 33554432000 4194304 4293939 140736769353744 18446744073709551615 4230179 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 5013 553 222 25 0 1646 0

[startup+0.0313699 s]
/proc/loadavg: 7.56 7.98 8.00 3/481 11275
/proc/meminfo: memFree=27473000/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=16088 CPUtime=0.02 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 804 0 0 0 2 0 0 0 25 0 1 0 780548291 16474112 632 33554432000 4194304 4293939 140736769353744 18446744073709551615 4255682 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 4022 632 243 25 0 655 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 16088

[startup+0.10038 s]
/proc/loadavg: 7.56 7.98 8.00 3/481 11275
/proc/meminfo: memFree=27473000/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=16560 CPUtime=0.09 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 879 0 0 0 9 0 0 0 25 0 1 0 780548291 16957440 702 33554432000 4194304 4293939 140736769353744 18446744073709551615 4255608 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 4140 702 244 25 0 773 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 16560

[startup+0.300343 s]
/proc/loadavg: 7.56 7.98 8.00 3/481 11275
/proc/meminfo: memFree=27473000/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=17612 CPUtime=0.29 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 1089 0 0 0 29 0 0 0 25 0 1 0 780548291 18034688 902 33554432000 4194304 4293939 140736769353744 18446744073709551615 4249015 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 4403 902 244 25 0 1036 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 17612

[startup+0.70027 s]
/proc/loadavg: 7.56 7.98 8.00 3/481 11275
/proc/meminfo: memFree=27473000/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=17612 CPUtime=0.69 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 1119 0 0 0 69 0 0 0 25 0 1 0 780548291 18034688 931 33554432000 4194304 4293939 140736769353744 18446744073709551615 4248350 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 4403 931 244 25 0 1036 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 17612

[startup+1.50112 s]
/proc/loadavg: 7.56 7.98 8.00 3/482 11276
/proc/meminfo: memFree=27463700/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=18000 CPUtime=1.49 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 1318 0 0 0 149 0 0 0 25 0 1 0 780548291 18432000 1115 33554432000 4194304 4293939 140736769353744 18446744073709551615 4255660 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 4500 1115 244 25 0 1133 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 18000

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

[startup+1.90104 s]
/proc/loadavg: 7.56 7.98 8.00 3/482 11276
/proc/meminfo: memFree=27463700/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=18880 CPUtime=1.89 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 1325 0 0 0 189 0 0 0 25 0 1 0 780548291 19333120 1121 33554432000 4194304 4293939 140736769353744 18446744073709551615 4255570 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 4720 1121 244 25 0 1353 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 18880

[startup+2.00102 s]
/proc/loadavg: 7.56 7.98 8.00 3/482 11276
/proc/meminfo: memFree=27463700/32951124 swapFree=38422276/67111528
[pid=11275] ppid=11273 vsize=18880 CPUtime=1.99 cores=0,2,4,6
/proc/11275/stat : 11275 (ebminisat_relea) R 11273 11275 11208 0 -1 4202496 1330 0 0 0 199 0 0 0 25 0 1 0 780548291 19333120 1126 33554432000 4194304 4293939 140736769353744 18446744073709551615 4255899 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/11275/statm: 4720 1126 244 25 0 1353 0
Current children cumulated CPU time (s) 1.99
Current children cumulated vsize (KiB) 18880

Child status: 20
Real time (s): 2.04776
CPU time (s): 2.04569
CPU user time (s): 2.04469
CPU system time (s): 0.000999
CPU usage (%): 99.8987
Max. virtual memory (cumulated for all children) (KiB): 18880

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.04469
system time used= 0.000999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1360
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= 4
involuntary context switches= 5

runsolver used 0.016997 second user time and 0.034994 second system time

The end

Launcher Data 

Begin job on node102 at 2011-05-29 19:17:39
IDJOB=3422615
IDBENCH=88026
IDSOLVER=1914
FILE ID=node102/3422615-1306689459
RUNJOBID= node102-1306689459-11228
PBS_JOBID= 13471843
Free space on /tmp= 73432 MiB

SOLVER NAME= minisat hack: EBMiniSAT 2011-03-02
BENCH NAME= SAT02/industrial/goldberg/rand_net/rand_net60-25-10.shuffled.cnf
COMMAND LINE= DIR/ebminisat_release BENCHNAME  -verb=0
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3422615-1306689459/watcher-3422615-1306689459 -o /tmp/evaluation-result-3422615-1306689459/solver-3422615-1306689459 -C 5000 -W 5100 -M 15500  HOME/ebminisat_release HOME/instance-3422615-1306689459.cnf  -verb=0

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

MD5SUM BENCH= dd1af4a49cb180c38b205e527a19fa4c
RANDOM SEED=18218057

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:      27473264 kB
Buffers:        233800 kB
Cached:        1260620 kB
SwapCached:      76276 kB
Active:         506756 kB
Inactive:      4706912 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      27473264 kB
SwapTotal:    67111528 kB
SwapFree:     38422276 kB
Dirty:            1184 kB
Writeback:           0 kB
AnonPages:     3653776 kB
Mapped:          13612 kB
Slab:            92492 kB
PageTables:      99432 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 135481724 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= 73432 MiB
End job on node102 at 2011-05-29 19:17:42