Trace number 1561747

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
HydraSAT 2009-03-22-BaseSAT 60.4458 60.461

General information on the benchmark

NameCRAFTED/edgematching/
explicit/em_7_3_6_exp.cnf
MD5SUM5b8699f429b7fdd3e23d69c762326321
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.739886
Satisfiable
(Un)Satisfiability was proved
Number of variables1473
Number of clauses22887
Sum of the clauses size60224
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 213705
Number of clauses of size 37024
Number of clauses of size 4708
Number of clauses of size 51300
Number of clauses of size over 5150

Solver Data 

60.38/60.45	
60.38/60.45	c decisions : 423663
60.38/60.45	c conflicts : 165953
60.38/60.45	c Memory limit 1620 MiB
60.38/60.45	c RANDOM SEED: 197491979
60.38/60.45	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1561747-1238768486/watcher-1561747-1238768486 -o /tmp/evaluation-result-1561747-1238768486/solver-1561747-1238768486 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat HOME/instance-1561747-1238768486.cnf -rs 197491979 -co memory_limit 1800 

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): 1800 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: 1.12 1.00 1.00 3/64 3223
/proc/meminfo: memFree=1759416/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=1900 CPUtime=0
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 227 0 0 0 0 0 0 0 18 0 1 0 1149510461 1945600 211 1992294400 134512640 135997824 4294956160 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 475 211 151 362 0 110 0

[startup+0.0583309 s]
/proc/loadavg: 1.12 1.00 1.00 3/64 3223
/proc/meminfo: memFree=1759416/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=3280 CPUtime=0.05
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 596 0 0 0 5 0 0 0 18 0 1 0 1149510461 3358720 580 1992294400 134512640 135997824 4294956160 18446744073709551615 134519847 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 820 580 158 362 0 455 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 3280

[startup+0.102334 s]
/proc/loadavg: 1.12 1.00 1.00 3/64 3223
/proc/meminfo: memFree=1759416/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=3460 CPUtime=0.09
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 620 0 0 0 9 0 0 0 18 0 1 0 1149510461 3543040 604 1992294400 134512640 135997824 4294956160 18446744073709551615 134519333 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 865 604 159 362 0 500 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 3460

[startup+0.302352 s]
/proc/loadavg: 1.12 1.00 1.00 3/64 3223
/proc/meminfo: memFree=1759416/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=4644 CPUtime=0.29
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 934 0 0 0 29 0 0 0 19 0 1 0 1149510461 4755456 917 1992294400 134512640 135997824 4294956160 18446744073709551615 134757392 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 1161 917 175 362 0 796 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4644

[startup+0.70239 s]
/proc/loadavg: 1.12 1.00 1.00 3/64 3223
/proc/meminfo: memFree=1759416/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=4900 CPUtime=0.69
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 998 0 0 0 69 0 0 0 22 0 1 0 1149510461 5017600 981 1992294400 134512640 135997824 4294956160 18446744073709551615 134666574 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 1225 981 175 362 0 860 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4900

[startup+1.50147 s]
/proc/loadavg: 1.12 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1755952/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=5164 CPUtime=1.49
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 1091 0 0 0 149 0 0 0 25 0 1 0 1149510461 5287936 1074 1992294400 134512640 135997824 4294956160 18446744073709551615 134844992 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 1291 1074 175 362 0 926 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 5164

[startup+3.10162 s]
/proc/loadavg: 1.12 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1755440/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=5664 CPUtime=3.09
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 1191 0 0 0 309 0 0 0 25 0 1 0 1149510461 5799936 1174 1992294400 134512640 135997824 4294956160 18446744073709551615 135367662 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 1416 1174 175 362 0 1051 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 5664

[startup+6.30192 s]
/proc/loadavg: 1.11 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1754352/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=6544 CPUtime=6.29
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 1408 0 0 0 629 0 0 0 25 0 1 0 1149510461 6701056 1391 1992294400 134512640 135997824 4294956160 18446744073709551615 135387657 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 1636 1391 175 362 0 1271 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 6544

[startup+12.7015 s]
/proc/loadavg: 1.10 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1752624/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=8324 CPUtime=12.69
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 1851 0 0 0 1268 1 0 0 25 0 1 0 1149510461 8523776 1834 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 2081 1834 175 362 0 1716 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8324

[startup+25.5017 s]
/proc/loadavg: 1.08 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1749488/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=11292 CPUtime=25.49
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 2570 0 0 0 2547 2 0 0 25 0 1 0 1149510461 11563008 2553 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 2823 2553 175 362 0 2458 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 11292

[startup+51.1012 s]
/proc/loadavg: 1.05 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1747888/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=13176 CPUtime=51.08
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 3030 0 0 0 5106 2 0 0 25 0 1 0 1149510461 13492224 3013 1992294400 134512640 135997824 4294956160 18446744073709551615 134758026 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 3294 3013 175 362 0 2929 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 13176

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

[startup+54.3015 s]
/proc/loadavg: 1.05 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1747568/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=13308 CPUtime=54.27
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 3060 0 0 0 5425 2 0 0 25 0 1 0 1149510461 13627392 3043 1992294400 134512640 135997824 4294956160 18446744073709551615 134683051 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 3327 3043 175 362 0 2962 0
Current children cumulated CPU time (s) 54.27
Current children cumulated vsize (KiB) 13308

[startup+57.5018 s]
/proc/loadavg: 1.05 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1747440/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=13308 CPUtime=57.47
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 3092 0 0 0 5745 2 0 0 25 0 1 0 1149510461 13627392 3075 1992294400 134512640 135997824 4294956160 18446744073709551615 134757821 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 3327 3075 175 362 0 2962 0
Current children cumulated CPU time (s) 57.47
Current children cumulated vsize (KiB) 13308

[startup+59.1019 s]
/proc/loadavg: 1.04 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1747376/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=13444 CPUtime=59.07
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 3105 0 0 0 5905 2 0 0 25 0 1 0 1149510461 13766656 3088 1992294400 134512640 135997824 4294956160 18446744073709551615 134757494 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 3361 3088 175 362 0 2996 0
Current children cumulated CPU time (s) 59.07
Current children cumulated vsize (KiB) 13444

[startup+59.902 s]
/proc/loadavg: 1.04 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1747312/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=13444 CPUtime=59.87
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 3110 0 0 0 5985 2 0 0 25 0 1 0 1149510461 13766656 3093 1992294400 134512640 135997824 4294956160 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 3361 3093 175 362 0 2996 0
Current children cumulated CPU time (s) 59.87
Current children cumulated vsize (KiB) 13444

[startup+60.302 s]
/proc/loadavg: 1.04 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1747312/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=13444 CPUtime=60.27
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 3111 0 0 0 6025 2 0 0 25 0 1 0 1149510461 13766656 3094 1992294400 134512640 135997824 4294956160 18446744073709551615 134757402 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 3361 3094 175 362 0 2996 0
Current children cumulated CPU time (s) 60.27
Current children cumulated vsize (KiB) 13444

[startup+60.402 s]
/proc/loadavg: 1.04 1.00 1.00 2/65 3224
/proc/meminfo: memFree=1747312/2055920 swapFree=4179168/4192956
[pid=3223] ppid=3221 vsize=13444 CPUtime=60.38
/proc/3223/stat : 3223 (hydrasat) R 3221 3223 3069 0 -1 4194304 3112 0 0 0 6036 2 0 0 25 0 1 0 1149510461 13766656 3095 1992294400 134512640 135997824 4294956160 18446744073709551615 134757799 0 0 4096 1 0 0 0 17 1 0 0
/proc/3223/statm: 3361 3095 175 362 0 2996 0
Current children cumulated CPU time (s) 60.38
Current children cumulated vsize (KiB) 13444

Child status: 10
Real time (s): 60.461
CPU time (s): 60.4458
CPU user time (s): 60.4148
CPU system time (s): 0.030995
CPU usage (%): 99.9749
Max. virtual memory (cumulated for all children) (KiB): 13444

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 60.4148
system time used= 0.030995
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3152
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= 2
involuntary context switches= 82

runsolver used 0.055991 second user time and 0.120981 second system time

The end

Launcher Data 

Begin job on node61 at 2009-04-03 16:21:26
IDJOB=1561747
IDBENCH=70921
IDSOLVER=520
FILE ID=node61/1561747-1238768486
PBS_JOBID= 9085533
Free space on /tmp= 66476 MiB

SOLVER NAME= HydraSAT 2009-03-22-Base
BENCH NAME= SAT09/APPLICATIONS/edgematching/explicit/em_7_3_6_exp.cnf
COMMAND LINE= DIR/hydrasat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1561747-1238768486/watcher-1561747-1238768486 -o /tmp/evaluation-result-1561747-1238768486/solver-1561747-1238768486 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat HOME/instance-1561747-1238768486.cnf -rs 197491979 -co memory_limit 1800

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 5b8699f429b7fdd3e23d69c762326321
RANDOM SEED=197491979

node61.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.238
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		: 3000.238
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:       1759832 kB
Buffers:         32884 kB
Cached:         191484 kB
SwapCached:       8056 kB
Active:          83492 kB
Inactive:       150652 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1759832 kB
SwapTotal:     4192956 kB
SwapFree:      4179168 kB
Dirty:            1988 kB
Writeback:           0 kB
Mapped:          15460 kB
Slab:            48116 kB
Committed_AS:  2943800 kB
PageTables:       1372 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264884 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66472 MiB
End job on node61 at 2009-04-03 16:22:26