Trace number 1562111

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 38.7141 38.7254

General information on the benchmark

NameCRAFTED/
edgematching/all/em_7_4_9_all.cnf
MD5SUMd78c1359306a87fe47f1b830ca255359
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.791878
Satisfiable
(Un)Satisfiability was proved
Number of variables1677
Number of clauses40187
Sum of the clauses size98603
Maximum clause length25
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 228680
Number of clauses of size 38650
Number of clauses of size 4832
Number of clauses of size 51875
Number of clauses of size over 5150

Solver Data

38.68/38.72	
38.68/38.72	c decisions : 411290
38.68/38.72	c conflicts : 128336
38.68/38.72	c Memory limit 1620 MiB
38.68/38.72	c RANDOM SEED: 1839530382
38.68/38.72	s SATISFIABLE
38.68/38.72	v -1 -2 3 -4 -5 -6 -7 -8 -9 -10 -11 -12 -13 14 -15 -16 -17 -18 -19 -20 -21 -22 -23 -24 -25 -26 -27 -28 -29 -30 -31 -32 33 -34 -35 -36 -37 -38 -39 -40 -41 -42 -43 -44 -45 -46 -47 -48 -49 -50 -51 52 -53 -54 -55 -56 -57 -58 -59 -60 -61 -62 -63 -64 -65 -66 -67 -68 -69 -70 71 -72 -73 -74 -75 -76 -77 -78 -79 -80 -81 -82 -83 -84 -85 -86 -87 -88 -89 90 -91 -92 -93 -94 -95 -96 -97 -98 -99 -100 -101 -102 -103 -104 105 -106 -107 -108 -109 -110 -111 -112 -113 -114 -115 -116 -117 -118 -119 -120 -121 -122 -123 124 -125 -126 -127 -128 -129 -130 -131 -132 -133 -134 -135 -136 -137 -138 -139 -140 -141 -142 -143 -144 -145 -146 -147 -148 149 -150 -151 -152 -153 -154 -155 -156 -157 -158 -159 -160 -161 -162 -163 -164 -165 -166 -167 -168 169 -170 -171 -172 -173 -174 -175 -176 -177 -178 -179 -180 -181 -182 -183 -184 -185 -186 -187 -188 189 -190 -191 -192 -193 -194 -195 -196 -197 -198 -199 -200 -201 -202 -203 -204 -205 -206 -207 -208 209 -210 -211 -212 -213 -214 -215 -216 -217 -218 -219 -220 -221 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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-1562111-1238770451/watcher-1562111-1238770451 -o /tmp/evaluation-result-1562111-1238770451/solver-1562111-1238770451 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat HOME/instance-1562111-1238770451.cnf -rs 1839530382 -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: 0.99 0.97 0.99 3/64 14235
/proc/meminfo: memFree=1815864/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=1928 CPUtime=0
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 230 0 0 0 0 0 0 0 20 0 1 0 1149710510 1974272 214 1992294400 134512640 135997824 4294956176 18446744073709551615 135371350 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 482 214 151 362 0 117 0

[startup+0.099483 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14235
/proc/meminfo: memFree=1815864/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=4248 CPUtime=0.09
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 876 0 0 0 9 0 0 0 20 0 1 0 1149710510 4349952 841 1992294400 134512640 135997824 4294956176 18446744073709551615 134695386 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 1062 841 158 362 0 697 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4248

[startup+0.101482 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14235
/proc/meminfo: memFree=1815864/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=4248 CPUtime=0.09
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 876 0 0 0 9 0 0 0 20 0 1 0 1149710510 4349952 841 1992294400 134512640 135997824 4294956176 18446744073709551615 134695433 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 1062 841 158 362 0 697 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4248

[startup+0.301503 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14235
/proc/meminfo: memFree=1815864/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=6496 CPUtime=0.29
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 1509 0 0 0 29 0 0 0 22 0 1 0 1149710510 6651904 1351 1992294400 134512640 135997824 4294956176 18446744073709551615 134816993 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 1624 1351 175 362 0 1259 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6496

[startup+0.701543 s]
/proc/loadavg: 0.99 0.97 0.99 3/64 14235
/proc/meminfo: memFree=1815864/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=6496 CPUtime=0.69
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 1535 0 0 0 69 0 0 0 25 0 1 0 1149710510 6651904 1377 1992294400 134512640 135997824 4294956176 18446744073709551615 134683596 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 1624 1377 175 362 0 1259 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 6496

[startup+1.50162 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1810992/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=6760 CPUtime=1.49
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 1579 0 0 0 149 0 0 0 25 0 1 0 1149710510 6922240 1421 1992294400 134512640 135997824 4294956176 18446744073709551615 134845016 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 1690 1421 175 362 0 1325 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6760

[startup+3.10179 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1810608/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=7024 CPUtime=3.09
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 1667 0 0 0 309 0 0 0 25 0 1 0 1149710510 7192576 1509 1992294400 134512640 135997824 4294956176 18446744073709551615 134817131 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 1756 1509 175 362 0 1391 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7024

[startup+6.30111 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1809648/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=8080 CPUtime=6.28
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 1902 0 0 0 628 0 0 0 25 0 1 0 1149710510 8273920 1744 1992294400 134512640 135997824 4294956176 18446744073709551615 134845153 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 2020 1744 175 362 0 1655 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 8080

[startup+12.7018 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1807792/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=9672 CPUtime=12.69
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 2324 0 0 0 1268 1 0 0 25 0 1 0 1149710510 9904128 2166 1992294400 134512640 135997824 4294956176 18446744073709551615 134757372 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 2418 2166 175 362 0 2053 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 9672

[startup+25.5011 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1805360/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=12096 CPUtime=25.48
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 2908 0 0 0 2547 1 0 0 25 0 1 0 1149710510 12386304 2750 1992294400 134512640 135997824 4294956176 18446744073709551615 134757407 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 3024 2750 175 362 0 2659 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 12096

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

[startup+31.9057 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1804272/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=13172 CPUtime=31.89
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 3168 0 0 0 3187 2 0 0 25 0 1 0 1149710510 13488128 3010 1992294400 134512640 135997824 4294956176 18446744073709551615 135387657 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 3293 3010 175 362 0 2928 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 13172

[startup+35.101 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1803760/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=13584 CPUtime=35.09
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 3280 0 0 0 3507 2 0 0 25 0 1 0 1149710510 13910016 3122 1992294400 134512640 135997824 4294956176 18446744073709551615 134757372 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 3396 3122 175 362 0 3031 0
Current children cumulated CPU time (s) 35.09
Current children cumulated vsize (KiB) 13584

[startup+36.7012 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1803632/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=13852 CPUtime=36.68
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 3327 0 0 0 3666 2 0 0 25 0 1 0 1149710510 14184448 3169 1992294400 134512640 135997824 4294956176 18446744073709551615 134758156 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 3463 3169 175 362 0 3098 0
Current children cumulated CPU time (s) 36.68
Current children cumulated vsize (KiB) 13852

[startup+37.5013 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1803440/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=14112 CPUtime=37.48
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 3363 0 0 0 3746 2 0 0 25 0 1 0 1149710510 14450688 3205 1992294400 134512640 135997824 4294956176 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 3528 3205 175 362 0 3163 0
Current children cumulated CPU time (s) 37.48
Current children cumulated vsize (KiB) 14112

[startup+38.3014 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1803440/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=14112 CPUtime=38.28
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 3377 0 0 0 3826 2 0 0 25 0 1 0 1149710510 14450688 3219 1992294400 134512640 135997824 4294956176 18446744073709551615 134758096 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 3528 3219 175 362 0 3163 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 14112

[startup+38.7014 s]
/proc/loadavg: 0.99 0.97 0.99 2/65 14236
/proc/meminfo: memFree=1803376/2055920 swapFree=4176444/4192956
[pid=14235] ppid=14233 vsize=14248 CPUtime=38.68
/proc/14235/stat : 14235 (hydrasat) R 14233 14235 14061 0 -1 4194304 3389 0 0 0 3866 2 0 0 25 0 1 0 1149710510 14589952 3231 1992294400 134512640 135997824 4294956176 18446744073709551615 134757664 0 0 4096 1 0 0 0 17 1 0 0
/proc/14235/statm: 3562 3231 175 362 0 3197 0
Current children cumulated CPU time (s) 38.68
Current children cumulated vsize (KiB) 14248

Child status: 10
Real time (s): 38.7254
CPU time (s): 38.7141
CPU user time (s): 38.6901
CPU system time (s): 0.023996
CPU usage (%): 99.9709
Max. virtual memory (cumulated for all children) (KiB): 14248

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 38.6901
system time used= 0.023996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3398
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= 57

runsolver used 0.029995 second user time and 0.118981 second system time

The end

Launcher Data

Begin job on node27 at 2009-04-03 16:54:11
IDJOB=1562111
IDBENCH=70928
IDSOLVER=520
FILE ID=node27/1562111-1238770451
PBS_JOBID= 9085558
Free space on /tmp= 66328 MiB

SOLVER NAME= HydraSAT 2009-03-22-Base
BENCH NAME= SAT09/APPLICATIONS/edgematching/all/em_7_4_9_all.cnf
COMMAND LINE= DIR/hydrasat BENCHNAME -rs RANDOMSEED -co memory_limit MEMLIMIT
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1562111-1238770451/watcher-1562111-1238770451 -o /tmp/evaluation-result-1562111-1238770451/solver-1562111-1238770451 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat HOME/instance-1562111-1238770451.cnf -rs 1839530382 -co memory_limit 1800

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

MD5SUM BENCH= d78c1359306a87fe47f1b830ca255359
RANDOM SEED=1839530382

node27.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		: 2800.196
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	: 5521.40
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		: 2800.196
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:       1816280 kB
Buffers:         23980 kB
Cached:         152468 kB
SwapCached:       9328 kB
Active:          64120 kB
Inactive:       123388 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1816280 kB
SwapTotal:     4192956 kB
SwapFree:      4176444 kB
Dirty:            2060 kB
Writeback:           0 kB
Mapped:          16908 kB
Slab:            37960 kB
Committed_AS:  3187016 kB
PageTables:       1380 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264948 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66324 MiB
End job on node27 at 2009-04-03 16:54:50