Trace number 367374

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
CMUSAT 2007-02-08? (MO) 32.2291 32.2377

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug2.cnf
MD5SUMde190892801b59cd9842bfb52b694299
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark41.4847
Satisfiable
(Un)Satisfiability was proved
Number of variables521158
Number of clauses13378532
Sum of the clauses size39204686
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28714522
Number of clauses of size 34209353
Number of clauses of size 425253
Number of clauses of size 515680
Number of clauses of size over 5413723

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  521158                                               |
9.39/9.48	c |  Number of clauses:    13378532                                             |

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/node61/watcher-367374-1176968796 -o ROOT/results/node61/solver-367374-1176968796 -C 10000 -W 15000 -M 1800 --output-limit 1,15 /tmp/evaluation/367374-1176968796/cmusat /tmp/evaluation/367374-1176968796/instance-367374-1176968796.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 10000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 10030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 15000 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: 1.05 0.99 0.99 3/64 24495
/proc/meminfo: memFree=1457680/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=2320 CPUtime=0
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 430 0 0 0 0 0 0 0 18 0 1 0 108845083 2375680 413 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092015 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 580 413 97 243 0 334 0

[startup+0.033612 s]
/proc/loadavg: 1.05 0.99 0.99 3/64 24495
/proc/meminfo: memFree=1457680/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=4572 CPUtime=0.02
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 974 0 0 0 2 0 0 0 18 0 1 0 108845083 4681728 957 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134548958 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 1143 959 97 243 0 897 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 4572

[startup+0.101619 s]
/proc/loadavg: 1.05 0.99 0.99 3/64 24495
/proc/meminfo: memFree=1457680/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=9736 CPUtime=0.09
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 2140 0 0 0 8 1 0 0 18 0 1 0 108845083 9969664 2123 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 2434 2124 97 243 0 2188 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9736

[startup+0.301636 s]
/proc/loadavg: 1.05 0.99 0.99 3/64 24495
/proc/meminfo: memFree=1457680/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=22708 CPUtime=0.29
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 5369 0 0 0 26 3 0 0 19 0 1 0 108845083 23252992 5352 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 5677 5354 97 243 0 5431 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 22708

[startup+0.701675 s]
/proc/loadavg: 1.05 0.99 0.99 3/64 24495
/proc/meminfo: memFree=1457680/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=48640 CPUtime=0.69
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 11777 0 0 0 62 7 0 0 22 0 1 0 108845083 49807360 11760 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 12160 11761 97 243 0 11914 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 48640

[startup+1.50175 s]
/proc/loadavg: 1.04 0.99 0.99 2/65 24496
/proc/meminfo: memFree=1391752/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=100380 CPUtime=1.49
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 24212 0 0 0 134 15 0 0 25 0 1 0 108845083 102789120 24195 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135095640 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 25095 24196 97 243 0 24849 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 100380

[startup+3.10191 s]
/proc/loadavg: 1.04 0.99 0.99 2/65 24496
/proc/meminfo: memFree=1323144/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=202304 CPUtime=3.09
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 48457 0 0 0 278 31 0 0 25 0 1 0 108845083 207159296 48440 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 50576 48446 97 243 0 50330 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 202304

[startup+6.30121 s]
/proc/loadavg: 1.04 0.99 0.99 2/65 24496
/proc/meminfo: memFree=1128712/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=406468 CPUtime=6.29
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 96003 0 0 0 568 61 0 0 25 0 1 0 108845083 416223232 95986 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 101617 95987 97 243 0 101371 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 406468

[startup+12.7018 s]
/proc/loadavg: 1.11 1.00 1.00 2/65 24496
/proc/meminfo: memFree=702792/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=770588 CPUtime=12.69
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 191174 0 0 0 1162 107 0 0 25 0 1 0 108845083 789082112 187290 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 135087813 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 192647 187290 108 243 0 192401 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 770588

[startup+25.501 s]
/proc/loadavg: 1.09 1.00 1.00 2/65 24496
/proc/meminfo: memFree=593864/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=868952 CPUtime=25.49
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 246869 0 0 0 2418 131 0 0 25 0 1 0 108845083 889806848 217017 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134553296 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 217238 217017 111 243 0 216992 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 868952



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+32.0017 s]
/proc/loadavg: 1.08 1.00 1.00 2/65 24496
/proc/meminfo: memFree=13576/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=1887404 CPUtime=31.99
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4194304 401555 0 0 0 3011 188 0 0 25 0 1 0 108845083 1932701696 370623 18446744073709551615 134512640 135508737 4294956672 18446744073709551615 134560494 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 471851 370629 113 243 0 471605 0
Current children cumulated CPU time (s) 31.99
Current children cumulated vsize (KiB) 1887404

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

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

[startup+32.2017 s]
/proc/loadavg: 1.08 1.00 1.00 2/65 24496
/proc/meminfo: memFree=13576/2055920 swapFree=4184080/4192956
[pid=24495] ppid=24493 vsize=0 CPUtime=32.18
/proc/24495/stat : 24495 (cmusat) R 24493 24495 24205 0 -1 4195332 401591 0 0 0 3011 207 0 0 25 0 1 0 108845083 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 35 0 0 0 17 1 0 0
/proc/24495/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 32.18
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 32.2377
CPU time (s): 32.2291
CPU user time (s): 30.1154
CPU system time (s): 2.11368
CPU usage (%): 99.9732
Max. virtual memory (cumulated for all children) (KiB): 1887404

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.1154
system time used= 2.11368
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 401591
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= 7
involuntary context switches= 77

runsolver used 0.030995 second user time and 0.074988 second system time

The end

Launcher Data (download as text)

Begin job on node61 on Thu Apr 19 07:46:55 UTC 2007

IDJOB= 367374
IDBENCH= 20590
IDSOLVER= 173
FILE ID= node61/367374-1176968796

PBS_JOBID= 4630299

Free space on /tmp= 66200 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug2.cnf
COMMAND LINE= /tmp/evaluation/367374-1176968796/cmusat /tmp/evaluation/367374-1176968796/instance-367374-1176968796.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node61/watcher-367374-1176968796 -o ROOT/results/node61/solver-367374-1176968796 -C 10000 -W 15000 -M 1800 --output-limit 1,15  /tmp/evaluation/367374-1176968796/cmusat /tmp/evaluation/367374-1176968796/instance-367374-1176968796.cnf            

META MD5SUM SOLVER= d41d8cd98f00b204e9800998ecf8427e
MD5SUM BENCH=  de190892801b59cd9842bfb52b694299

RANDOM SEED= 201050438

TIME LIMIT= 10000 seconds
MEMORY LIMIT= 1800 MiB

Linux node61.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		: 3000.240
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		: 3000.240
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:       1458088 kB
Buffers:          3892 kB
Cached:         538612 kB
SwapCached:       2652 kB
Active:         327740 kB
Inactive:       224008 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1458088 kB
SwapTotal:     4192956 kB
SwapFree:      4184080 kB
Dirty:          219008 kB
Writeback:           0 kB
Mapped:          15304 kB
Slab:            32232 kB
Committed_AS:   834292 kB
PageTables:       1388 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= 66200 MiB

End job on node61 on Thu Apr 19 07:47:29 UTC 2007