Trace number 367645

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, and are wall clock time (not CPU 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
MXC 2007-02-08UNSAT 2.23466 2.24989

General information on the benchmark

Nameindustrial/babic/hsatv17/
hsat_vc12072.cnf
MD5SUMbadfc2bcf577632aecb483b57ac795bb
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.78173
Satisfiable
(Un)Satisfiability was proved
Number of variables236486
Number of clauses673711
Sum of the clauses size1747780
Maximum clause length3
Minimum clause length1
Number of clauses of size 128243
Number of clauses of size 2216867
Number of clauses of size 3428601
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

2.19/2.24	c MXC attempting /tmp/evaluation/367645-1177550909/instance-367645-1177550909.cnf
2.19/2.24	c 28790 assignments made, starting to guess now
2.19/2.24	c ===================================[MXC]=====================================
2.19/2.24	c | Conflicts |     ORIGINAL     |             LEARNT              | Progress |
2.19/2.24	c |           | Clauses Literals |  Limit Clauses Literals  Lit/Cl |          |
2.19/2.24	c =============================================================================
2.19/2.24	c |         0 |  428284  1284852 |  142761       0       0     nan | 12.172 % |
2.19/2.24	c |       100 |  425766  1277298 |  157037      72     469     6.5 | 12.191 % |
2.19/2.24	c |       250 |  425764  1277292 |  172740     218    1448     6.6 | 12.191 % |
2.19/2.24	c 2.220s elapsed
2.19/2.24	c restarts: 2
2.19/2.24	c decisions: 41634
2.19/2.24	c propagations: 4191887
2.19/2.24	c conflicts: 427
2.19/2.24	s UNSATISFIABLE

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node65/watcher-367645-1177550909 -o ROOT/results/node65/solver-367645-1177550909 -C 5000 -W 7500 -M 1800 --output-limit 1,15 /tmp/evaluation/367645-1177550909/mxc /tmp/evaluation/367645-1177550909/instance-367645-1177550909.cnf 

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): 7500 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 19863
/proc/meminfo: memFree=1793720/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=14116 CPUtime=0
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 722 0 0 0 0 0 0 0 18 0 1 0 231080655 14454784 707 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134550509 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 3529 713 42 122 0 3403 0

[startup+0.0665041 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 19863
/proc/meminfo: memFree=1793720/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=39992 CPUtime=0.05
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 8711 0 0 0 1 4 0 0 18 0 1 0 231080655 40951808 8696 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134517714 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 9998 8696 46 122 0 9872 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 39992

[startup+0.101504 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 19863
/proc/meminfo: memFree=1793720/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=41896 CPUtime=0.09
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 9193 0 0 0 5 4 0 0 18 0 1 0 231080655 42901504 9178 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134518451 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 10507 9179 46 122 0 10381 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 41896

[startup+0.301522 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 19863
/proc/meminfo: memFree=1793720/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=54380 CPUtime=0.29
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 12070 0 0 0 23 6 0 0 19 0 1 0 231080655 55685120 12055 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134688363 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 13595 12055 46 122 0 13469 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 54380

[startup+0.701554 s]
/proc/loadavg: 1.00 1.00 0.93 3/64 19863
/proc/meminfo: memFree=1793720/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=49412 CPUtime=0.69
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 14272 0 0 0 62 7 0 0 22 0 1 0 231080655 50597888 10961 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134520344 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 12353 10961 59 122 0 12227 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 49412

[startup+1.50162 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 19864
/proc/meminfo: memFree=1749808/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=49676 CPUtime=1.49
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 14340 0 0 0 142 7 0 0 25 0 1 0 231080655 50868224 11029 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519261 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 12419 11029 59 122 0 12293 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 49676

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

[startup+1.90165 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 19864
/proc/meminfo: memFree=1749808/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=49676 CPUtime=1.89
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 14361 0 0 0 182 7 0 0 25 0 1 0 231080655 50868224 11050 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519200 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 12419 11050 59 122 0 12293 0
Current children cumulated CPU time (s) 1.89
Current children cumulated vsize (KiB) 49676

[startup+2.10167 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 19864
/proc/meminfo: memFree=1749488/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=49676 CPUtime=2.09
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 14364 0 0 0 202 7 0 0 25 0 1 0 231080655 50868224 11053 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134519590 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 12419 11053 59 122 0 12293 0
Current children cumulated CPU time (s) 2.09
Current children cumulated vsize (KiB) 49676

[startup+2.20568 s]
/proc/loadavg: 1.00 1.00 0.93 2/65 19864
/proc/meminfo: memFree=1749488/2055920 swapFree=4184008/4192956
[pid=19863] ppid=19861 vsize=49676 CPUtime=2.19
/proc/19863/stat : 19863 (mxc) R 19861 19863 19045 0 -1 4194304 14365 0 0 0 212 7 0 0 25 0 1 0 231080655 50868224 11054 18446744073709551615 134512640 135013041 4294956672 18446744073709551615 134531597 0 0 4096 0 0 0 0 17 1 0 0
/proc/19863/statm: 12419 11054 59 122 0 12293 0
Current children cumulated CPU time (s) 2.19
Current children cumulated vsize (KiB) 49676

Child status: 20
Real time (s): 2.24989
CPU time (s): 2.23466
CPU user time (s): 2.15267
CPU system time (s): 0.081987
CPU usage (%): 99.3229
Max. virtual memory (cumulated for all children) (KiB): 59808

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 2.15267
system time used= 0.081987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 14369
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= 9
involuntary context switches= 2

runsolver used 0.005999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node65 on Thu Apr 26 01:28:30 UTC 2007

IDJOB= 367645
IDBENCH= 20458
IDSOLVER= 174
FILE ID= node65/367645-1177550909

PBS_JOBID= 4696317

Free space on /tmp= 66388 MiB

SOLVER NAME= MXC 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/babic/hsatv17/hsat_vc12072.cnf
COMMAND LINE= /tmp/evaluation/367645-1177550909/mxc /tmp/evaluation/367645-1177550909/instance-367645-1177550909.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node65/watcher-367645-1177550909 -o ROOT/results/node65/solver-367645-1177550909 -C 5000 -W 7500 -M 1800 --output-limit 1,15  /tmp/evaluation/367645-1177550909/mxc /tmp/evaluation/367645-1177550909/instance-367645-1177550909.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  badfc2bcf577632aecb483b57ac795bb

RANDOM SEED= 812871184

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB

Linux node65.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.245
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.245
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
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 lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1794192 kB
Buffers:         23760 kB
Cached:         160724 kB
SwapCached:       2652 kB
Active:          56696 kB
Inactive:       137420 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1794192 kB
SwapTotal:     4192956 kB
SwapFree:      4184008 kB
Dirty:           13892 kB
Writeback:           0 kB
Mapped:          15660 kB
Slab:            53648 kB
Committed_AS:  2503476 kB
PageTables:       1456 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66388 MiB

End job on node65 on Thu Apr 26 01:28:33 UTC 2007