Trace number 300328

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 2007-02-08Signal 119.568 119.6

General information on the benchmark

Namerandom/LargeSize/5SAT/v800/
unif-k5-r20-v800-c16000-S409844453-15.cnf
MD5SUM58c189a77b8c83423395850401eab73e
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark24.2423
Satisfiable
(Un)Satisfiability was proved
Number of variables800
Number of clauses16000
Sum of the clauses size80000
Maximum clause length5
Minimum clause length5
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 30
Number of clauses of size 40
Number of clauses of size 516000
Number of clauses of size over 50

Solver Data (download as text)

119.41/119.46	*** glibc detected *** double free or corruption (out): 0x0a1b8670 ***

Verifier Data (download as text)

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

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node2/watcher-300328-1171899922 -o ROOT/results/node2/solver-300328-1171899922 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/300328-1171899922/mmisat /tmp/evaluation/300328-1171899922/instance-300328-1171899922.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 0.91 0.97 0.99 3/77 3437
/proc/meminfo: memFree=378872/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=1176 CPUtime=0
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 159 0 0 0 0 0 0 0 18 0 1 0 209947211 1204224 142 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517712 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 294 142 81 214 0 76 0

[startup+0.107637 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 3437
/proc/meminfo: memFree=378872/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=1840 CPUtime=0.1
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 319 0 0 0 10 0 0 0 18 0 1 0 209947211 1884160 302 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134998823 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 460 302 81 214 0 242 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1840

[startup+0.515679 s]
/proc/loadavg: 0.91 0.97 0.99 3/77 3437
/proc/meminfo: memFree=378872/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=2764 CPUtime=0.51
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 569 0 0 0 51 0 0 0 21 0 1 0 209947211 2830336 552 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134854140 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 691 552 81 214 0 473 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2764

[startup+1.33876 s]
/proc/loadavg: 0.91 0.97 0.99 2/78 3438
/proc/meminfo: memFree=376048/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=3952 CPUtime=1.33
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 851 0 0 0 133 0 0 0 25 0 1 0 209947211 4046848 834 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517724 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 988 834 81 214 0 770 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3952

[startup+2.97693 s]
/proc/loadavg: 0.91 0.97 0.99 2/78 3438
/proc/meminfo: memFree=374896/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=5140 CPUtime=2.97
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 1159 0 0 0 297 0 0 0 25 0 1 0 209947211 5263360 1142 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134619316 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 1285 1142 81 214 0 1067 0
Current children cumulated CPU time (s) 2.97
Current children cumulated vsize (KiB) 5140

[startup+6.25327 s]
/proc/loadavg: 0.92 0.97 0.99 2/78 3438
/proc/meminfo: memFree=373360/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=6328 CPUtime=6.24
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 1445 0 0 0 624 0 0 0 25 0 1 0 209947211 6479872 1428 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 1582 1428 81 214 0 1364 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 6328

[startup+12.7099 s]
/proc/loadavg: 0.93 0.97 0.99 2/78 3438
/proc/meminfo: memFree=372144/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=7384 CPUtime=12.69
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 1718 0 0 0 1269 0 0 0 25 0 1 0 209947211 7561216 1701 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 1846 1701 81 214 0 1628 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 7384

[startup+25.5103 s]
/proc/loadavg: 0.94 0.97 0.99 2/78 3438
/proc/meminfo: memFree=370928/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=8572 CPUtime=25.5
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 2011 0 0 0 2549 1 0 0 25 0 1 0 209947211 8777728 1994 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 2143 1994 81 214 0 1925 0
Current children cumulated CPU time (s) 25.5
Current children cumulated vsize (KiB) 8572

[startup+51.1219 s]
/proc/loadavg: 0.96 0.97 0.99 2/78 3438
/proc/meminfo: memFree=369584/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=9892 CPUtime=51.1
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 2348 0 0 0 5109 1 0 0 25 0 1 0 209947211 10129408 2331 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 2473 2331 81 214 0 2255 0
Current children cumulated CPU time (s) 51.1
Current children cumulated vsize (KiB) 9892

[startup+102.344 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 3438
/proc/meminfo: memFree=367792/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=11740 CPUtime=102.31
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 2783 0 0 0 10229 2 0 0 25 0 1 0 209947211 12021760 2766 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 2935 2766 81 214 0 2717 0
Current children cumulated CPU time (s) 102.31
Current children cumulated vsize (KiB) 11740

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

[startup+104.91 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 3438
/proc/meminfo: memFree=367664/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=11740 CPUtime=104.88
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 2801 0 0 0 10486 2 0 0 25 0 1 0 209947211 12021760 2784 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 2935 2784 81 214 0 2717 0
Current children cumulated CPU time (s) 104.88
Current children cumulated vsize (KiB) 11740

[startup+111.459 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 3438
/proc/meminfo: memFree=367536/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=11872 CPUtime=111.42
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 2846 0 0 0 11140 2 0 0 25 0 1 0 209947211 12156928 2829 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517738 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 2968 2829 81 214 0 2750 0
Current children cumulated CPU time (s) 111.42
Current children cumulated vsize (KiB) 11872

[startup+114.741 s]
/proc/loadavg: 0.98 0.97 0.99 3/78 3438
/proc/meminfo: memFree=367408/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=12004 CPUtime=114.7
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 2868 0 0 0 11468 2 0 0 25 0 1 0 209947211 12292096 2851 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 3001 2851 81 214 0 2783 0
Current children cumulated CPU time (s) 114.7
Current children cumulated vsize (KiB) 12004

[startup+118.017 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 3438
/proc/meminfo: memFree=367344/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=12136 CPUtime=117.98
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 2890 0 0 0 11796 2 0 0 25 0 1 0 209947211 12427264 2873 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134517190 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 3034 2873 81 214 0 2816 0
Current children cumulated CPU time (s) 117.98
Current children cumulated vsize (KiB) 12136

[startup+118.837 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 3438
/proc/meminfo: memFree=367280/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=34352 CPUtime=118.79
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 8456 0 0 0 11875 4 0 0 25 0 1 0 209947211 35176448 8439 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134518346 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 8588 8439 86 214 0 8370 0
Current children cumulated CPU time (s) 118.79
Current children cumulated vsize (KiB) 34352

[startup+119.245 s]
/proc/loadavg: 0.98 0.97 0.99 2/78 3438
/proc/meminfo: memFree=367280/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=34352 CPUtime=119.2
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 8457 0 0 0 11916 4 0 0 25 0 1 0 209947211 35176448 8440 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134523213 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 8588 8440 87 214 0 8370 0
Current children cumulated CPU time (s) 119.2
Current children cumulated vsize (KiB) 34352

[startup+119.449 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 3438
/proc/meminfo: memFree=344944/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=34364 CPUtime=119.41
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4194304 8467 0 0 0 11937 4 0 0 25 0 1 0 209947211 35188736 8450 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 134523161 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 8591 8450 91 214 0 8373 0
Current children cumulated CPU time (s) 119.41
Current children cumulated vsize (KiB) 34364

[startup+119.555 s]
/proc/loadavg: 0.99 0.97 0.99 2/78 3438
/proc/meminfo: memFree=344944/2055920 swapFree=4192812/4192956
[pid=3437] ppid=3435 vsize=34364 CPUtime=119.52
/proc/3437/stat : 3437 (mmisat) R 3435 3437 2107 0 -1 4195840 8474 0 0 0 11938 14 0 0 25 0 1 0 209947211 35188736 8454 18446744073709551615 134512640 135391789 4294956624 18446744073709551615 135098577 0 0 4096 0 0 0 0 17 1 0 0
/proc/3437/statm: 8591 8454 95 214 0 8373 0
Current children cumulated CPU time (s) 119.52
Current children cumulated vsize (KiB) 34364

Child ended because it received signal 6 (SIGABRT)
Real time (s): 119.6
CPU time (s): 119.568
CPU user time (s): 119.381
CPU system time (s): 0.186971
CPU usage (%): 99.973
Max. virtual memory (cumulated for all children) (KiB): 34364

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 119.381
system time used= 0.186971
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 8487
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= 8
involuntary context switches= 157

runsolver used 0.13098 second user time and 0.299954 second system time

The end

Launcher Data (download as text)

Begin job on node2 on Mon Feb 19 15:45:23 UTC 2007

IDJOB= 300328
IDBENCH= 20032
IDSOLVER= 108
FILE ID= node2/300328-1171899922

PBS_JOBID= 3848838

Free space on /tmp= 66550 MiB

SOLVER NAME= Mmisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/LargeSize/5SAT/v800/unif-k5-r20-v800-c16000-S409844453-15.cnf
COMMAND LINE= /tmp/evaluation/300328-1171899922/mmisat /tmp/evaluation/300328-1171899922/instance-300328-1171899922.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-300328-1171899922 -o ROOT/results/node2/solver-300328-1171899922 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/300328-1171899922/mmisat /tmp/evaluation/300328-1171899922/instance-300328-1171899922.cnf            

META MD5SUM SOLVER= f0471644c1818c6834832b41e70bf7e6
MD5SUM BENCH=  58c189a77b8c83423395850401eab73e

RANDOM SEED= 579863130

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node2.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		: 3000.247
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		: 3000.247
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:        379344 kB
Buffers:         52452 kB
Cached:        1485640 kB
SwapCached:          0 kB
Active:        1027764 kB
Inactive:       570452 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        379344 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1484 kB
Writeback:           0 kB
Mapped:          78960 kB
Slab:            63884 kB
Committed_AS:  1149600 kB
PageTables:       1812 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= 66518 MiB

End job on node2 on Mon Feb 19 15:47:22 UTC 2007