Trace number 331245

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
UnitMarch 2007-02-08? (MO) 54.3407 54.3724

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug6.cnf
MD5SUMabc624ca713aad9563ab3886d918a526
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark47.9177
Satisfiable
(Un)Satisfiability was proved
Number of variables521192
Number of clauses13378781
Sum of the clauses size39205391
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28714698
Number of clauses of size 34209419
Number of clauses of size 425257
Number of clauses of size 515681
Number of clauses of size over 5413725

Solver Data (download as text)

49.37/49.50	c UnitMarch starting with seed 1804289383 on /tmp/evaluation/331245-1173182753/instance-331245-1173182753.cnf

Verifier Data (download as text)

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

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node18/watcher-331245-1173182753 -o ROOT/results/node18/solver-331245-1173182753 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/331245-1173182753/UnitMarch_32_bits /tmp/evaluation/331245-1173182753/instance-331245-1173182753.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: 1.16 1.07 1.02 2/78 23677
/proc/meminfo: memFree=1513960/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=10236 CPUtime=0
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 448 0 0 0 0 0 0 0 18 0 1 0 338231608 10481664 431 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 2559 435 91 214 0 2342 0

[startup+0.00747011 s]
/proc/loadavg: 1.16 1.07 1.02 2/78 23677
/proc/meminfo: memFree=1513960/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=10764 CPUtime=0
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 635 0 0 0 0 0 0 0 18 0 1 0 338231608 11022336 618 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 2691 621 91 214 0 2474 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 10764

[startup+0.101479 s]
/proc/loadavg: 1.16 1.07 1.02 2/78 23677
/proc/meminfo: memFree=1513960/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=33996 CPUtime=0.09
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 7893 0 0 0 7 2 0 0 18 0 1 0 338231608 34811904 7876 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 8499 7879 91 214 0 8282 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 33996

[startup+0.3015 s]
/proc/loadavg: 1.16 1.07 1.02 2/78 23677
/proc/meminfo: memFree=1513960/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=44320 CPUtime=0.29
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 10975 0 0 0 25 4 0 0 19 0 1 0 338231608 45383680 10925 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 11080 10925 92 214 0 10863 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 44320

[startup+0.701539 s]
/proc/loadavg: 1.16 1.07 1.02 2/78 23677
/proc/meminfo: memFree=1513960/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=50364 CPUtime=0.69
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 12607 0 0 0 64 5 0 0 23 0 1 0 338231608 51572736 12363 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 12591 12363 92 214 0 12374 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 50364

[startup+1.50162 s]
/proc/loadavg: 1.23 1.09 1.02 2/79 23678
/proc/meminfo: memFree=1461280/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=61812 CPUtime=1.49
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 15685 0 0 0 142 7 0 0 25 0 1 0 338231608 63295488 15184 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 15453 15184 92 214 0 15236 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 61812

[startup+3.10177 s]
/proc/loadavg: 1.23 1.09 1.02 2/78 23678
/proc/meminfo: memFree=1447720/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=84444 CPUtime=3.09
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 21798 0 0 0 298 11 0 0 25 0 1 0 338231608 86470656 20784 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 21111 20784 92 214 0 20894 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 84444

[startup+6.30108 s]
/proc/loadavg: 1.23 1.09 1.02 2/78 23678
/proc/meminfo: memFree=1402152/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=129316 CPUtime=6.29
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 33924 0 0 0 610 19 0 0 25 0 1 0 338231608 132419584 31885 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134737962 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 32329 31886 92 214 0 32112 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 129316

[startup+12.7017 s]
/proc/loadavg: 1.20 1.08 1.02 2/78 23678
/proc/meminfo: memFree=1312360/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=217468 CPUtime=12.69
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 57739 0 0 0 1233 36 0 0 25 0 1 0 338231608 222687232 53651 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 54367 53651 92 214 0 54150 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 217468

[startup+25.5019 s]
/proc/loadavg: 1.16 1.08 1.02 2/78 23678
/proc/meminfo: memFree=1142056/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=384320 CPUtime=25.48
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 102711 0 0 0 2485 63 0 0 25 0 1 0 338231608 393543680 94526 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 96080 94526 92 214 0 95863 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 384320

[startup+51.1014 s]
/proc/loadavg: 1.11 1.07 1.02 2/78 23678
/proc/meminfo: memFree=615976/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=1118748 CPUtime=51.07
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 279645 0 0 0 4952 155 0 0 25 0 1 0 338231608 1145597952 260019 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134516645 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 279687 260019 97 214 0 279470 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 1118748



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+54.1017 s]
/proc/loadavg: 1.10 1.07 1.02 2/78 23678
/proc/meminfo: memFree=15976/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=1862464 CPUtime=54.07
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4194304 472801 0 0 0 5164 243 0 0 25 0 1 0 338231608 1907163136 413456 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 135006174 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 465616 413459 97 214 0 465399 0
Current children cumulated CPU time (s) 54.07
Current children cumulated vsize (KiB) 1862464

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

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

[startup+54.2067 s]
/proc/loadavg: 1.10 1.07 1.02 2/78 23678
/proc/meminfo: memFree=15976/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=0 CPUtime=54.17
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4195332 472818 0 0 0 5164 253 0 0 25 0 1 0 338231608 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 54.17
Current children cumulated vsize (KiB) 0

[startup+54.3017 s]
/proc/loadavg: 1.10 1.07 1.02 2/78 23678
/proc/meminfo: memFree=15976/2055920 swapFree=4149912/4192956
[pid=23677] ppid=23675 vsize=0 CPUtime=54.26
/proc/23677/stat : 23677 (UnitMarch_32_bi) R 23675 23677 22585 0 -1 4195332 472818 0 0 0 5164 262 0 0 25 0 1 0 338231608 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/23677/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 54.26
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 54.3724
CPU time (s): 54.3407
CPU user time (s): 51.6441
CPU system time (s): 2.69659
CPU usage (%): 99.9417
Max. virtual memory (cumulated for all children) (KiB): 1862464

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 51.6441
system time used= 2.69659
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 472818
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= 1132

runsolver used 0.054991 second user time and 0.146977 second system time

The end

Launcher Data (download as text)

Begin job on node18 on Tue Mar  6 12:06:11 UTC 2007

IDJOB= 331245
IDBENCH= 20583
IDSOLVER= 97
FILE ID= node18/331245-1173182753

PBS_JOBID= 4015032

Free space on /tmp= 66206 MiB

SOLVER NAME= UnitMarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug6.cnf
COMMAND LINE= /tmp/evaluation/331245-1173182753/UnitMarch_32_bits /tmp/evaluation/331245-1173182753/instance-331245-1173182753.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node18/watcher-331245-1173182753 -o ROOT/results/node18/solver-331245-1173182753 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/331245-1173182753/UnitMarch_32_bits /tmp/evaluation/331245-1173182753/instance-331245-1173182753.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  abc624ca713aad9563ab3886d918a526

RANDOM SEED= 526100409

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node18.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		: 3000.236
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		: 3000.236
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:       1514368 kB
Buffers:          3248 kB
Cached:         415880 kB
SwapCached:       2064 kB
Active:         423888 kB
Inactive:        51676 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1514368 kB
SwapTotal:     4192956 kB
SwapFree:      4149912 kB
Dirty:          216396 kB
Writeback:           0 kB
Mapped:          63492 kB
Slab:            51520 kB
Committed_AS:  1238388 kB
PageTables:       1764 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= 66206 MiB

End job on node18 on Tue Mar  6 12:07:07 UTC 2007