Trace number 3257670

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
CryptoMiniSat Strange-Night-1-stSAT 0.022995 0.0283439

General information on the benchmark

NameCRAFTED/sgi/
satsgi-n26himBHm28-p0-q293.cnf
MD5SUM77c99bec4213dcc6c3ba45acbf0b6bc7
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.005998
Satisfiable
(Un)Satisfiability was proved
Number of variables728
Number of clauses18954
Sum of the clauses size38584
Maximum clause length28
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 218928
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 526

Solver Data 

0.00/0.00	c Outputting solution to console
0.00/0.00	c This is CryptoMiniSat 2.9.0
0.00/0.00	c compiled with gcc version 4.4.5
0.00/0.00	c WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	c Reading file 'HOME/instance-3257670-1303470142.cnf'
0.00/0.00	c -- header says num vars:            728
0.00/0.00	c -- header says num clauses:       18954
0.00/0.00	c -- clauses added:            0 learnts,        18954 normals,            0 xors
0.00/0.00	c -- vars added        728
0.00/0.00	c Parsing time:  0.00 s
0.00/0.00	c  N st     0         0       728        26     18928         0     38584         0   no data   no data  --
0.00/0.00	c asymm  cl-useful: 0/26/26 lits-rem:0 time: 0.00
0.00/0.01	c Flit:     0 Blit:      0 bXBeca:    0 bXProp:    0 Bins:      0 BRemL:      0 BRemN:      0 P:  0.1M T:  0.00
0.00/0.01	c bin-w-bin subsume rem            0 bins  time:  0.00 s
0.00/0.01	c subs with bin:        0  lits-rem:         0  v-fix:    0  time:  0.00 s
0.00/0.01	c Subs w/ non-existent bins:      0 l-rem:      0 v-fix:     0 done:    728 time:  0.00 s
0.00/0.02	c Removed useless bin:       0  fixed:     0  props:   0.10M  time:  0.00 s
0.00/0.02	c lits-rem:         0  cl-subs:        0  v-elim:     26  v-fix:    0  time:  0.00 s
0.00/0.02	c Finding binary XORs  T:     0.00 s  found:       0
0.00/0.02	c Finding non-binary XORs:     0.00 s (found:       0, avg size: nan)
0.00/0.02	c calculated reachability. Time: 0.00
0.00/0.02	c Calc default polars -  time:   0.00 s pos:       0 undec:      26 neg:     702
0.00/0.02	c =========================================================================================
0.00/0.02	c types(t): F = full restart, N = normal restart
0.00/0.02	c types(t): S = simplification begin/end, E = solution found
0.00/0.02	c restart types(rt): st = static, dy = dynamic
0.00/0.02	c  t rt  Rest     Confl      Vars   NormCls    BinCls   Learnts    ClLits    LtLits
0.00/0.02	c  B st     0         0       702       613     17613         0     53352         0   no data   no data  --
0.00/0.02	c  E st     1         0         0       613     17613         0     53352         0   no data   no data  --
0.00/0.02	c Verified 613 clauses.
0.00/0.02	c Solution needs extension. Extending.
0.00/0.02	c Verified 613 clauses.
0.00/0.02	c num threads              : 1          
0.00/0.02	c restarts                 : 1          
0.00/0.02	c dynamic restarts         : 0          
0.00/0.02	c static restarts          : 1          
0.00/0.02	c full restarts            : 0          
0.00/0.02	c total simplify time      : 0.00       
0.00/0.02	c learnts DL2              : 0          
0.00/0.02	c learnts size 2           : 18928      
0.00/0.02	c learnts size 1           : 0           (0.00      % of vars)
0.00/0.02	c filedLit time            : 0.00        (9.52      % time)
0.00/0.02	c v-elim SatELite          : 26          (3.57      % vars)
0.00/0.02	c SatELite time            : 0.01        (38.10     % time)
0.00/0.02	c v-elim xor               : 0           (0.00      % vars)
0.00/0.02	c xor elim time            : 0.00        (0.00      % time)
0.00/0.02	c num binary xor trees     : 0          
0.00/0.02	c binxor trees' crown      : 0           (nan       leafs/tree)
0.00/0.02	c bin xor find time        : 0.00       
0.00/0.02	c OTF clause improved      : 0           (nan       clauses/conflict)
0.00/0.02	c OTF impr. size diff      : 0           (nan        lits/clause)
0.00/0.02	c OTF cl watch-shrink      : 0           (nan       clauses/conflict)
0.00/0.02	c OTF cl watch-sh-lit      : 0           (nan        lits/clause)
0.00/0.02	c tried to recurMin cls    : 0           (nan        % of conflicts)
0.00/0.02	c updated cache            : 0           (nan        lits/tried recurMin)
0.00/0.02	c clauses over max glue    : 0           (nan       % of all clauses)
0.00/0.02	c conflicts                : 0           (0.00      / sec)
0.00/0.02	c decisions                : 352         (0.00      % random)
0.00/0.02	c bogo-props               : 218672      (10414936.18 / sec)
0.00/0.02	c conflict literals        : 0           (nan       % deleted)
0.00/0.02	c Memory used              : 30.44       MB
0.00/0.02	c CPU time                 : 0.02        s
0.00/0.02	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-3257670-1303470142/watcher-3257670-1303470142 -o /tmp/evaluation-result-3257670-1303470142/solver-3257670-1303470142 -C 2400 -W 1300 -M 7680 ./strangenight1-st HOME/instance-3257670-1303470142.cnf 

running on 2 cores: 4,6

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: 4.00 3.99 3.71 5/189 18284
/proc/meminfo: memFree=22408232/32951124 swapFree=67111528/67111528
[pid=18284] ppid=18282 vsize=29960 CPUtime=0 cores=4,6
/proc/18284/stat : 18284 (strangenight1-s) R 18282 18284 17977 0 -1 4202496 562 0 0 0 0 0 0 0 25 0 1 0 191205502 30679040 502 33554432000 4194304 4650387 140736067879136 18446744073709551615 268660323013 0 0 4096 2 0 0 0 17 4 0 0 0
/proc/18284/statm: 7490 503 327 112 0 2455 0

[startup+0.0137599 s]
/proc/loadavg: 4.00 3.99 3.71 5/189 18284
/proc/meminfo: memFree=22408232/32951124 swapFree=67111528/67111528
[pid=18284] ppid=18282 vsize=30488 CPUtime=0 cores=4,6
/proc/18284/stat : 18284 (strangenight1-s) R 18282 18284 17977 0 -1 4202496 729 0 0 0 0 0 0 0 25 0 1 0 191205502 31219712 667 33554432000 4194304 4650387 140736067879136 18446744073709551615 4430655 0 0 4096 2 0 0 0 17 4 0 0 0
/proc/18284/statm: 7622 667 357 112 0 2587 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 30488

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

[startup+0.0137599 s]
/proc/loadavg: 4.00 3.99 3.71 5/189 18284
/proc/meminfo: memFree=22408232/32951124 swapFree=67111528/67111528
[pid=18284] ppid=18282 vsize=30488 CPUtime=0 cores=4,6
/proc/18284/stat : 18284 (strangenight1-s) R 18282 18284 17977 0 -1 4202496 729 0 0 0 0 0 0 0 25 0 1 0 191205502 31219712 667 33554432000 4194304 4650387 140736067879136 18446744073709551615 4430655 0 0 4096 2 0 0 0 17 4 0 0 0
/proc/18284/statm: 7622 667 357 112 0 2587 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 30488

Child status: 10
Real time (s): 0.0283439
CPU time (s): 0.022995
CPU user time (s): 0.020996
CPU system time (s): 0.001999
CPU usage (%): 81.1285
Max. virtual memory (cumulated for all children) (KiB): 30488

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.020996
system time used= 0.001999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 959
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= 0

runsolver used 0 second user time and 0.007998 second system time

The end

Launcher Data 

Begin job on node107 at 2011-04-22 13:02:22
IDJOB=3257670
IDBENCH=71241
IDSOLVER=1589
FILE ID=node107/3257670-1303470142
RUNJOBID= node107-1303468570-17996
PBS_JOBID= 13107197
Free space on /tmp= 72188 MiB

SOLVER NAME= CryptoMiniSat Strange-Night-1-st
BENCH NAME= SAT09/CRAFTED/sgi/satsgi-n26himBHm28-p0-q293.cnf
COMMAND LINE= ./strangenight1-st BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3257670-1303470142/watcher-3257670-1303470142 -o /tmp/evaluation-result-3257670-1303470142/solver-3257670-1303470142 -C 2400 -W 1300 -M 7680  ./strangenight1-st HOME/instance-3257670-1303470142.cnf

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

MD5SUM BENCH= 77c99bec4213dcc6c3ba45acbf0b6bc7
RANDOM SEED=745395450

node107.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		: 2666.829
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		: 2666.829
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		: 2666.829
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		: 2666.829
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	: 5332.82
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		: 2666.829
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		: 2666.829
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	: 5359.47
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		: 2666.829
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		: 2666.829
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	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      22408512 kB
Buffers:       1155168 kB
Cached:        8510976 kB
SwapCached:          0 kB
Active:        6679088 kB
Inactive:      3402776 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      22408512 kB
SwapTotal:    67111528 kB
SwapFree:     67111528 kB
Dirty:            6236 kB
Writeback:           0 kB
AnonPages:      415344 kB
Mapped:          16276 kB
Slab:           396836 kB
PageTables:       6276 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS:   681680 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= 72180 MiB
End job on node107 at 2011-04-22 13:02:23