Trace number 331497

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) 51.1942 51.456

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug3.cnf
MD5SUMdc050785d671b86f856b07b158553686
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark53.1199
Satisfiable
(Un)Satisfiability was proved
Number of variables521046
Number of clauses13376161
Sum of the clauses size39197797
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28713411
Number of clauses of size 34208212
Number of clauses of size 425250
Number of clauses of size 515675
Number of clauses of size over 5413612

Solver Data (download as text)

46.64/46.71	c UnitMarch starting with seed 1804289383 on /tmp/evaluation/331497-1173184627/instance-331497-1173184627.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/node58/watcher-331497-1173184627 -o ROOT/results/node58/solver-331497-1173184627 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/331497-1173184627/UnitMarch_32_bits /tmp/evaluation/331497-1173184627/instance-331497-1173184627.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: 1.54 1.14 1.04 4/64 26240
/proc/meminfo: memFree=1539264/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=18568 CPUtime=0
/proc/26240/stat : 26240 (runsolver) R 26238 26240 24828 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 338421234 19013632 293 18446744073709551615 4194304 4294612 548682068992 18446744073709551615 226238197031 0 0 4096 24578 0 0 0 17 1 0 0
/proc/26240/statm: 4642 293 258 24 0 2626 0

[startup+0.038136 s]
/proc/loadavg: 1.54 1.14 1.04 4/64 26240
/proc/meminfo: memFree=1539264/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=17100 CPUtime=0.02
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 2604 0 0 0 2 0 0 0 18 0 1 0 338421234 17510400 2587 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 4275 2592 91 214 0 4058 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 17100

[startup+0.101134 s]
/proc/loadavg: 1.54 1.14 1.04 4/64 26240
/proc/meminfo: memFree=1539264/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=33336 CPUtime=0.09
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 7687 0 0 0 6 3 0 0 18 0 1 0 338421234 34136064 7670 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 8334 7674 91 214 0 8117 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 33336

[startup+0.301156 s]
/proc/loadavg: 1.54 1.14 1.04 4/64 26240
/proc/meminfo: memFree=1539264/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=44448 CPUtime=0.28
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 11015 0 0 0 24 4 0 0 19 0 1 0 338421234 45514752 10965 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 11112 10965 92 214 0 10895 0
Current children cumulated CPU time (s) 0.28
Current children cumulated vsize (KiB) 44448

[startup+0.701199 s]
/proc/loadavg: 1.54 1.14 1.04 4/64 26240
/proc/meminfo: memFree=1539264/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=50892 CPUtime=0.68
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 12751 0 0 0 62 6 0 0 23 0 1 0 338421234 52113408 12507 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134524488 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 12723 12507 92 214 0 12506 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 50892

[startup+1.50129 s]
/proc/loadavg: 1.54 1.14 1.04 2/65 26241
/proc/meminfo: memFree=1484792/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=63004 CPUtime=1.48
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 16024 0 0 0 140 8 0 0 25 0 1 0 338421234 64516096 15523 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 15751 15523 92 214 0 15534 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 63004

[startup+3.10147 s]
/proc/loadavg: 1.58 1.15 1.05 2/65 26241
/proc/meminfo: memFree=1468984/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=87088 CPUtime=3.09
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 22541 0 0 0 297 12 0 0 25 0 1 0 338421234 89178112 21527 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 21772 21528 92 214 0 21555 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 87088

[startup+6.30181 s]
/proc/loadavg: 1.58 1.15 1.05 2/65 26241
/proc/meminfo: memFree=1421240/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=135124 CPUtime=6.29
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 35524 0 0 0 609 20 0 0 25 0 1 0 338421234 138366976 33485 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 33781 33485 92 214 0 33564 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 135124

[startup+12.7015 s]
/proc/loadavg: 1.49 1.15 1.05 2/65 26241
/proc/meminfo: memFree=1325304/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=228816 CPUtime=12.68
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 60809 0 0 0 1233 35 0 0 25 0 1 0 338421234 234307584 56721 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 57204 56721 92 214 0 56987 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 228816

[startup+25.5019 s]
/proc/loadavg: 1.41 1.14 1.05 2/65 26241
/proc/meminfo: memFree=1143352/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=406956 CPUtime=25.48
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 108891 0 0 0 2483 65 0 0 25 0 1 0 338421234 416722944 100706 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134829437 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 101739 100706 92 214 0 101522 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 406956

[startup+51.1035 s]
/proc/loadavg: 1.27 1.13 1.04 2/65 26241
/proc/meminfo: memFree=13880/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=1820676 CPUtime=50.83
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 462220 0 0 0 4858 225 0 0 25 0 1 0 338421234 1864372224 403694 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134516645 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 455204 403696 97 214 0 454987 0
Current children cumulated CPU time (s) 50.83
Current children cumulated vsize (KiB) 1820676



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+51.2017 s]
/proc/loadavg: 1.25 1.13 1.04 2/65 26241
/proc/meminfo: memFree=15992/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=1846964 CPUtime=50.94
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4194304 468806 0 0 0 4866 228 0 0 25 0 1 0 338421234 1891291136 410116 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134516645 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 461741 410117 97 214 0 461524 0
Current children cumulated CPU time (s) 50.94
Current children cumulated vsize (KiB) 1846964

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

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

[startup+51.4018 s]
/proc/loadavg: 1.25 1.13 1.04 2/65 26241
/proc/meminfo: memFree=15992/2055920 swapFree=4184236/4192956
[pid=26240] ppid=26238 vsize=0 CPUtime=51.13
/proc/26240/stat : 26240 (UnitMarch_32_bi) R 26238 26240 24828 0 -1 4195332 468817 0 0 0 4866 247 0 0 25 0 1 0 338421234 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 0 0 0
/proc/26240/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 51.13
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 51.456
CPU time (s): 51.1942
CPU user time (s): 48.6646
CPU system time (s): 2.52961
CPU usage (%): 99.4912
Max. virtual memory (cumulated for all children) (KiB): 1846964

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 48.6646
system time used= 2.52961
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 468817
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= 250

runsolver used 0.056991 second user time and 0.142978 second system time

The end

Launcher Data (download as text)

Begin job on node58 on Tue Mar  6 12:37:26 UTC 2007

IDJOB= 331497
IDBENCH= 20589
IDSOLVER= 97
FILE ID= node58/331497-1173184627

PBS_JOBID= 4015258

Free space on /tmp= 66162 MiB

SOLVER NAME= UnitMarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug3.cnf
COMMAND LINE= /tmp/evaluation/331497-1173184627/UnitMarch_32_bits /tmp/evaluation/331497-1173184627/instance-331497-1173184627.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node58/watcher-331497-1173184627 -o ROOT/results/node58/solver-331497-1173184627 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/331497-1173184627/UnitMarch_32_bits /tmp/evaluation/331497-1173184627/instance-331497-1173184627.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  dc050785d671b86f856b07b158553686

RANDOM SEED= 80731040

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node58.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		: 3000.234
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		: 3000.234
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:       1540184 kB
Buffers:          2528 kB
Cached:         446712 kB
SwapCached:       2484 kB
Active:         325424 kB
Inactive:       133204 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1540184 kB
SwapTotal:     4192956 kB
SwapFree:      4184236 kB
Dirty:          231132 kB
Writeback:           0 kB
Mapped:          15640 kB
Slab:            43180 kB
Committed_AS:   783068 kB
PageTables:       1380 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= 66162 MiB

End job on node58 on Tue Mar  6 12:38:19 UTC 2007