Trace number 313944

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
Mmisat 2007-02-08? (MO) 160.429 160.49

General information on the benchmark

Nameindustrial/anbulagan/
hard-unsat/dated-5-17-u.cnf
MD5SUM83ece6745238c422c7e68e5a07fc7f73
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables183464
Number of clauses855717
Sum of the clauses size1974802
Maximum clause length10
Minimum clause length1
Number of clauses of size 115316
Number of clauses of size 2664917
Number of clauses of size 3141084
Number of clauses of size 43820
Number of clauses of size 515280
Number of clauses of size over 515300

Solver Data (download as text)



Verifier Data (download as text)




ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer: 



Watcher Data (download as text)




runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node20/watcher-313944-1176893729 -o ROOT/results/node20/solver-313944-1176893729 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/313944-1176893729/mmisat /tmp/evaluation/313944-1176893729/instance-313944-1176893729.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2400 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: 0.92 0.98 0.99 3/77 19202
/proc/meminfo: memFree=1526320/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=2532 CPUtime=0
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 480 0 0 0 0 0 0 0 18 0 1 0 137290272 2592768 463 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 633 470 80 214 0 415 0

[startup+0.0795321 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 19202
/proc/meminfo: memFree=1526320/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=26200 CPUtime=0.07
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 6384 0 0 0 4 3 0 0 18 0 1 0 137290272 26828800 6367 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 6550 6373 80 214 0 6332 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 26200

[startup+0.101535 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 19202
/proc/meminfo: memFree=1526320/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=32252 CPUtime=0.09
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 7909 0 0 0 6 3 0 0 18 0 1 0 137290272 33026048 7892 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134523165 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 8063 7892 80 214 0 7845 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 32252

[startup+0.301576 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 19202
/proc/meminfo: memFree=1526320/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=78924 CPUtime=0.29
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 19575 0 0 0 21 8 0 0 19 0 1 0 137290272 80818176 19558 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134522779 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 19731 19560 80 214 0 19513 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 78924

[startup+0.701657 s]
/proc/loadavg: 0.92 0.98 0.99 3/77 19202
/proc/meminfo: memFree=1526320/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=148860 CPUtime=0.69
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 37061 0 0 0 55 14 0 0 23 0 1 0 137290272 152432640 37044 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 37215 37044 80 214 0 36997 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 148860

[startup+1.50182 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 19203
/proc/meminfo: memFree=1335720/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=251208 CPUtime=1.49
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 62648 0 0 0 124 25 0 0 25 0 1 0 137290272 257236992 62631 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 62802 62631 80 214 0 62584 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 251208

[startup+3.10114 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 19203
/proc/meminfo: memFree=1214312/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=393364 CPUtime=3.09
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 98187 0 0 0 268 41 0 0 25 0 1 0 137290272 402804736 98170 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517712 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 98341 98170 80 214 0 98123 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 393364

[startup+6.30178 s]
/proc/loadavg: 1.01 1.00 1.00 2/78 19203
/proc/meminfo: memFree=1013480/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=568608 CPUtime=6.29
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 141998 0 0 0 571 58 0 0 25 0 1 0 137290272 582254592 141981 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 142152 141981 80 214 0 141934 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 568608

[startup+12.7011 s]
/proc/loadavg: 1.01 1.00 1.00 2/78 19203
/proc/meminfo: memFree=768112/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=771556 CPUtime=12.69
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 192735 0 0 0 1191 78 0 0 25 0 1 0 137290272 790073344 192718 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 192889 192718 80 214 0 192671 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 771556

[startup+25.5016 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 19203
/proc/meminfo: memFree=576176/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=952720 CPUtime=25.48
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 238026 0 0 0 2456 92 0 0 25 0 1 0 137290272 975585280 238009 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 238180 238009 80 214 0 237962 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 952720

[startup+51.1018 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 19203
/proc/meminfo: memFree=341296/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=1188616 CPUtime=51.07
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 297000 0 0 0 4995 112 0 0 25 0 1 0 137290272 1217142784 296983 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 297154 296983 80 214 0 296936 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 1188616

[startup+102.305 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 19203
/proc/meminfo: memFree=15024/2055920 swapFree=4151848/4192956
[pid=19202] ppid=19200 vsize=1534664 CPUtime=102.25
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 383512 0 0 0 10083 142 0 0 25 0 1 0 137290272 1571495936 383495 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 383666 383495 80 214 0 383448 0
Current children cumulated CPU time (s) 102.25
Current children cumulated vsize (KiB) 1534664



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+160.202 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 19203
/proc/meminfo: memFree=15792/2055920 swapFree=4152108/4192956
[pid=19202] ppid=19200 vsize=1843728 CPUtime=160.13
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4194304 460778 0 0 0 15844 169 0 0 25 0 1 0 137290272 1887977472 460761 18446744073709551615 134512640 135391789 4294956672 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 460932 460761 80 214 0 460714 0
Current children cumulated CPU time (s) 160.13
Current children cumulated vsize (KiB) 1843728

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

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

[startup+160.402 s]
/proc/loadavg: 1.00 1.00 1.00 2/78 19203
/proc/meminfo: memFree=15792/2055920 swapFree=4152108/4192956
[pid=19202] ppid=19200 vsize=0 CPUtime=160.33
/proc/19202/stat : 19202 (mmisat) R 19200 19202 18705 0 -1 4195332 460778 0 0 0 15844 189 0 0 25 0 1 0 137290272 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/19202/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 160.33
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 160.49
CPU time (s): 160.429
CPU user time (s): 158.447
CPU system time (s): 1.9817
CPU usage (%): 99.9615
Max. virtual memory (cumulated for all children) (KiB): 1843728

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 158.447
system time used= 1.9817
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 460778
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= 6
involuntary context switches= 3302

runsolver used 0.180972 second user time and 0.411937 second system time

The end



Launcher Data (download as text)




Begin job on node20 on Wed Apr 18 10:55:29 UTC 2007

IDJOB= 313944
IDBENCH= 20379
IDSOLVER= 108
FILE ID= node20/313944-1176893729

PBS_JOBID= 4595141

Free space on /tmp= 66441 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/anbulagan/hard-unsat/dated-5-17-u.cnf
COMMAND LINE= /tmp/evaluation/313944-1176893729/mmisat /tmp/evaluation/313944-1176893729/instance-313944-1176893729.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node20/watcher-313944-1176893729 -o ROOT/results/node20/solver-313944-1176893729 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/313944-1176893729/mmisat /tmp/evaluation/313944-1176893729/instance-313944-1176893729.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  83ece6745238c422c7e68e5a07fc7f73

RANDOM SEED= 603982038

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node20.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		: 3000.265
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		: 3000.265
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:       1526792 kB
Buffers:         33556 kB
Cached:         427680 kB
SwapCached:      19660 kB
Active:         137792 kB
Inactive:       350108 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1526792 kB
SwapTotal:     4192956 kB
SwapFree:      4151848 kB
Dirty:           16284 kB
Writeback:           0 kB
Mapped:          30180 kB
Slab:            26844 kB
Committed_AS:  1830984 kB
PageTables:       1744 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= 66441 MiB

End job on node20 on Wed Apr 18 10:58:12 UTC 2007