Trace number 1631847

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
TNM 2009-03-22SAT 4.89925 4.90201

General information on the benchmark

NameRANDOM/LARGE/3SAT/UNKNOWN/4000/
unif-k3-r4.2-v4000-c16800-S1835046931-014.cnf
MD5SUM526915dc72c013b3ed33744e623b5ae9
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.12783
Satisfiable
(Un)Satisfiability was proved
Number of variables4000
Number of clauses16800
Sum of the clauses size50400
Maximum clause length3
Minimum clause length3
Number of clauses of size 10
Number of clauses of size 20
Number of clauses of size 316800
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data

4.79/4.90	c try 1 flip j 2096919
4.79/4.90	c A solution is found
4.79/4.90	s SATISFIABLE
4.79/4.90	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 -222 -223 224 -225 -226 -227 -228 -229 230 -231 -232 233 234 235 -236 -237 -238 -239 240 241 242 243 244 245 -246 247 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4.79/4.90	v 0 
4.79/4.90	c Done (mycputime is 4.830 seconds)

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-1631847-1240184052/watcher-1631847-1240184052 -o /tmp/evaluation-result-1631847-1240184052/solver-1631847-1240184052 -C 5000 -W 6000 -M 1800 --output-limit 1,15 HOME/TNM HOME/instance-1631847-1240184052.cnf 740059697 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 6000 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 0.93 3/64 26631
/proc/meminfo: memFree=1273784/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=450932 CPUtime=0
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 108 0 0 0 0 0 0 0 18 0 1 0 46438845 461754368 93 1992294400 134512640 135094415 4294956240 18446744073709551615 134579382 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 112733 94 49 142 0 111612 0

[startup+0.044091 s]
/proc/loadavg: 0.99 0.97 0.93 3/64 26631
/proc/meminfo: memFree=1273784/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452116 CPUtime=0.04
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 471 0 0 0 4 0 0 0 18 0 1 0 46438845 462966784 455 1992294400 134512640 135094415 4294956240 18446744073709551615 134524071 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113029 455 49 142 0 111908 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 452116

[startup+0.101093 s]
/proc/loadavg: 0.99 0.97 0.93 3/64 26631
/proc/meminfo: memFree=1273784/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=0.09
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 9 0 0 0 18 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134528824 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 452512

[startup+0.301107 s]
/proc/loadavg: 0.99 0.97 0.93 3/64 26631
/proc/meminfo: memFree=1273784/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=0.29
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 29 0 0 0 19 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134524575 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 452512

[startup+0.701133 s]
/proc/loadavg: 0.99 0.97 0.93 3/64 26631
/proc/meminfo: memFree=1273784/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=0.69
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 69 0 0 0 22 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526527 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 452512

[startup+1.50118 s]
/proc/loadavg: 0.99 0.97 0.93 2/65 26632
/proc/meminfo: memFree=1270832/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=1.49
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 149 0 0 0 25 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526527 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 452512

[startup+3.10129 s]
/proc/loadavg: 0.99 0.97 0.93 2/65 26632
/proc/meminfo: memFree=1270704/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=3.09
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 309 0 0 0 25 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526734 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 452512

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

[startup+3.90134 s]
/proc/loadavg: 0.99 0.97 0.93 2/65 26632
/proc/meminfo: memFree=1270704/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=3.89
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 389 0 0 0 25 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134527003 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 452512

[startup+4.30137 s]
/proc/loadavg: 0.99 0.97 0.93 2/65 26632
/proc/meminfo: memFree=1270576/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=4.29
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 429 0 0 0 25 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134527168 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 4.29
Current children cumulated vsize (KiB) 452512

[startup+4.70239 s]
/proc/loadavg: 0.99 0.97 0.93 2/65 26632
/proc/meminfo: memFree=1270576/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=4.69
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 469 0 0 0 25 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134526258 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 4.69
Current children cumulated vsize (KiB) 452512

[startup+4.8024 s]
/proc/loadavg: 0.99 0.97 0.93 2/65 26632
/proc/meminfo: memFree=1270576/2055920 swapFree=4192956/4192956
[pid=26631] ppid=26629 vsize=452512 CPUtime=4.79
/proc/26631/stat : 26631 (TNM) R 26629 26631 26540 0 -1 4194304 757 0 0 0 479 0 0 0 25 0 1 0 46438845 463372288 741 1992294400 134512640 135094415 4294956240 18446744073709551615 134524797 0 0 4096 0 0 0 0 17 1 0 0
/proc/26631/statm: 113128 741 50 142 0 112007 0
Current children cumulated CPU time (s) 4.79
Current children cumulated vsize (KiB) 452512

Child status: 10
Real time (s): 4.90201
CPU time (s): 4.89925
CPU user time (s): 4.89126
CPU system time (s): 0.007998
CPU usage (%): 99.9437
Max. virtual memory (cumulated for all children) (KiB): 452512

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.89126
system time used= 0.007998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 771
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= 3
involuntary context switches= 13

runsolver used 0.005999 second user time and 0.017997 second system time

The end

Launcher Data

Begin job on node22 at 2009-04-20 01:34:13
IDJOB=1631847
IDBENCH=70337
IDSOLVER=589
FILE ID=node22/1631847-1240184052
PBS_JOBID= 9160252
Free space on /tmp= 66336 MiB

SOLVER NAME= TNM 2009-03-22
BENCH NAME= SAT09/RANDOM/LARGE/3SAT/UNKNOWN/4000/unif-k3-r4.2-v4000-c16800-S1835046931-014.cnf
COMMAND LINE= HOME/TNM BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1631847-1240184052/watcher-1631847-1240184052 -o /tmp/evaluation-result-1631847-1240184052/solver-1631847-1240184052 -C 5000 -W 6000 -M 1800 --output-limit 1,15  HOME/TNM HOME/instance-1631847-1240184052.cnf 740059697

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 526915dc72c013b3ed33744e623b5ae9
RANDOM SEED=740059697

node22.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		: 3000.232
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		: 3000.232
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:       1274264 kB
Buffers:         89692 kB
Cached:         611864 kB
SwapCached:          0 kB
Active:         312428 kB
Inactive:       403084 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1274264 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            5032 kB
Writeback:           0 kB
Mapped:          23700 kB
Slab:            52208 kB
Committed_AS:   196924 kB
PageTables:       1368 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= 66332 MiB
End job on node22 at 2009-04-20 01:34:18