Trace number 310776

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
SAT7 2007-02-08SAT 89.8543 89.8789

General information on the benchmark

Namerandom/2+p/p0.8/v1295/
unif2p-p0.8-v1295-c4027-S1665384822-14-SAT.cnf
MD5SUMbe7dc6f6bf5d0d6359adfd321a4b6af2
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.036993
Satisfiable
(Un)Satisfiability was proved
Number of variables1295
Number of clauses4026
Sum of the clauses size11273
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 2805
Number of clauses of size 33221
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.01	c Starting solver ...
0.00/0.02	c Restarting after 103 conflicts
0.00/0.04	c Restarting after 253 conflicts
0.00/0.06	c Restarting after 478 conflicts
0.00/0.09	c Restarting after 815 conflicts
0.10/0.15	c Restarting after 1324 conflicts
0.20/0.24	c Restarting after 2085 conflicts
0.30/0.38	c Restarting after 3224 conflicts
0.51/0.59	c Restarting after 4932 conflicts
0.91/0.92	c Restarting after 7495 conflicts
1.33/1.42	c Restarting after 11340 conflicts
2.14/2.18	c Restarting after 17106 conflicts
3.38/3.39	c Restarting after 25755 conflicts
5.22/5.23	c Restarting after 38729 conflicts
7.98/8.08	c Restarting after 58190 conflicts
12.39/12.46	c Restarting after 87383 conflicts
19.34/19.38	c Restarting after 131174 conflicts
29.69/29.78	c Restarting after 196860 conflicts
45.97/46.07	c Restarting after 295386 conflicts
71.68/71.79	c Restarting after 443177 conflicts
89.80/89.87	s SATISFIABLE
89.80/89.87	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 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-1274 -1275 1276 1277 1278 1279 1280 1281 1282 -1283 -1284 -1285 -1286 1287 1288 1289 -1290 -1291 -1292 1293 -1294 -1295 
89.80/89.87	v 0

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node75/watcher-310776-1172561893 -o ROOT/results/node75/solver-310776-1172561893 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/310776-1172561893/sat7_bin /tmp/evaluation/310776-1172561893/instance-310776-1172561893.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 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: 1.20 1.20 1.08 3/64 17357
/proc/meminfo: memFree=1816648/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=1256 CPUtime=0
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 165 0 0 0 0 0 0 0 18 0 1 0 276155206 1286144 148 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 135029304 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 314 148 87 220 0 91 0

[startup+0.107355 s]
/proc/loadavg: 1.20 1.20 1.08 3/64 17357
/proc/meminfo: memFree=1816648/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=1660 CPUtime=0.1
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 273 0 0 0 10 0 0 0 18 0 1 0 276155206 1699840 256 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532389 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 415 256 95 220 0 192 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 1660

[startup+0.515403 s]
/proc/loadavg: 1.20 1.20 1.08 3/64 17357
/proc/meminfo: memFree=1816648/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=2176 CPUtime=0.51
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 355 0 0 0 51 0 0 0 22 0 1 0 276155206 2228224 338 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134558673 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 544 338 95 220 0 321 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 2176

[startup+1.3355 s]
/proc/loadavg: 1.20 1.20 1.08 2/65 17358
/proc/meminfo: memFree=1815488/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=2176 CPUtime=1.33
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 402 0 0 0 133 0 0 0 25 0 1 0 276155206 2228224 385 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532381 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 544 385 95 220 0 321 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 2176

[startup+2.97169 s]
/proc/loadavg: 1.18 1.20 1.08 2/65 17358
/proc/meminfo: memFree=1815168/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=3204 CPUtime=2.96
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 463 0 0 0 296 0 0 0 25 0 1 0 276155206 3280896 446 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 801 446 95 220 0 578 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 3204

[startup+6.25308 s]
/proc/loadavg: 1.18 1.20 1.08 2/65 17358
/proc/meminfo: memFree=1814784/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=3204 CPUtime=6.24
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 534 0 0 0 624 0 0 0 25 0 1 0 276155206 3280896 517 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532620 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 801 517 95 220 0 578 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 3204

[startup+12.7078 s]
/proc/loadavg: 1.15 1.19 1.08 2/65 17358
/proc/meminfo: memFree=1814408/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=3336 CPUtime=12.69
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 611 0 0 0 1269 0 0 0 25 0 1 0 276155206 3416064 594 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134579130 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 834 594 95 220 0 611 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 3336

[startup+25.6084 s]
/proc/loadavg: 1.13 1.18 1.08 2/65 17358
/proc/meminfo: memFree=1813960/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=3472 CPUtime=25.59
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 727 0 0 0 2559 0 0 0 25 0 1 0 276155206 3555328 710 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528656 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 868 710 95 220 0 645 0
Current children cumulated CPU time (s) 25.59
Current children cumulated vsize (KiB) 3472

[startup+51.2164 s]
/proc/loadavg: 1.08 1.17 1.08 2/65 17358
/proc/meminfo: memFree=1813384/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=5796 CPUtime=51.2
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 868 0 0 0 5119 1 0 0 25 0 1 0 276155206 5935104 851 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134533626 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1449 851 95 220 0 1226 0
Current children cumulated CPU time (s) 51.2
Current children cumulated vsize (KiB) 5796

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

[startup+52.4456 s]
/proc/loadavg: 1.08 1.16 1.08 2/65 17358
/proc/meminfo: memFree=1813384/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=5796 CPUtime=52.43
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 873 0 0 0 5242 1 0 0 25 0 1 0 276155206 5935104 856 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1449 856 95 220 0 1226 0
Current children cumulated CPU time (s) 52.43
Current children cumulated vsize (KiB) 5796

[startup+65.5581 s]
/proc/loadavg: 1.06 1.16 1.08 2/65 17358
/proc/meminfo: memFree=1813128/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=5928 CPUtime=65.53
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 928 0 0 0 6552 1 0 0 25 0 1 0 276155206 6070272 911 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532525 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1482 911 95 220 0 1259 0
Current children cumulated CPU time (s) 65.53
Current children cumulated vsize (KiB) 5928

[startup+78.6637 s]
/proc/loadavg: 1.05 1.15 1.08 2/65 17358
/proc/meminfo: memFree=1812872/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=6060 CPUtime=78.64
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 995 0 0 0 7863 1 0 0 25 0 1 0 276155206 6205440 978 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134558648 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1515 978 95 220 0 1292 0
Current children cumulated CPU time (s) 78.64
Current children cumulated vsize (KiB) 6060

[startup+85.2204 s]
/proc/loadavg: 1.05 1.15 1.08 2/65 17358
/proc/meminfo: memFree=1812744/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=6060 CPUtime=85.19
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 1022 0 0 0 8518 1 0 0 25 0 1 0 276155206 6205440 1005 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1515 1005 95 220 0 1292 0
Current children cumulated CPU time (s) 85.19
Current children cumulated vsize (KiB) 6060

[startup+86.8606 s]
/proc/loadavg: 1.05 1.15 1.08 2/65 17358
/proc/meminfo: memFree=1812680/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=6060 CPUtime=86.83
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 1030 0 0 0 8682 1 0 0 25 0 1 0 276155206 6205440 1013 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1515 1013 95 220 0 1292 0
Current children cumulated CPU time (s) 86.83
Current children cumulated vsize (KiB) 6060

[startup+88.4978 s]
/proc/loadavg: 1.04 1.14 1.07 2/65 17358
/proc/meminfo: memFree=1812680/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=6060 CPUtime=88.47
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 1036 0 0 0 8846 1 0 0 25 0 1 0 276155206 6205440 1019 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528780 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1515 1019 95 220 0 1292 0
Current children cumulated CPU time (s) 88.47
Current children cumulated vsize (KiB) 6060

[startup+89.3219 s]
/proc/loadavg: 1.04 1.14 1.07 2/65 17358
/proc/meminfo: memFree=1812680/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=6060 CPUtime=89.29
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 1037 0 0 0 8928 1 0 0 25 0 1 0 276155206 6205440 1020 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1515 1020 95 220 0 1292 0
Current children cumulated CPU time (s) 89.29
Current children cumulated vsize (KiB) 6060

[startup+89.73 s]
/proc/loadavg: 1.04 1.14 1.07 2/65 17358
/proc/meminfo: memFree=1812680/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=6060 CPUtime=89.7
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 1039 0 0 0 8969 1 0 0 25 0 1 0 276155206 6205440 1022 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134533088 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1515 1022 95 220 0 1292 0
Current children cumulated CPU time (s) 89.7
Current children cumulated vsize (KiB) 6060

[startup+89.832 s]
/proc/loadavg: 1.04 1.14 1.07 2/65 17358
/proc/meminfo: memFree=1812680/2055920 swapFree=4183048/4192956
[pid=17357] ppid=17355 vsize=6060 CPUtime=89.8
/proc/17357/stat : 17357 (sat7_bin) R 17355 17357 16454 0 -1 4194304 1039 0 0 0 8979 1 0 0 25 0 1 0 276155206 6205440 1022 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134533780 0 0 4096 0 0 0 0 17 1 0 0
/proc/17357/statm: 1515 1022 95 220 0 1292 0
Current children cumulated CPU time (s) 89.8
Current children cumulated vsize (KiB) 6060

Child status: 10
Real time (s): 89.8789
CPU time (s): 89.8543
CPU user time (s): 89.8403
CPU system time (s): 0.013997
CPU usage (%): 99.9727
Max. virtual memory (cumulated for all children) (KiB): 6060

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 89.8403
system time used= 0.013997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1043
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= 7
involuntary context switches= 93

runsolver used 0.072988 second user time and 0.172973 second system time

The end

Launcher Data (download as text)

Begin job on node75 on Tue Feb 27 07:38:14 UTC 2007

IDJOB= 310776
IDBENCH= 20296
IDSOLVER= 101
FILE ID= node75/310776-1172561893

PBS_JOBID= 3971880

Free space on /tmp= 66559 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v1295/unif2p-p0.8-v1295-c4027-S1665384822-14-SAT.cnf
COMMAND LINE= /tmp/evaluation/310776-1172561893/sat7_bin /tmp/evaluation/310776-1172561893/instance-310776-1172561893.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node75/watcher-310776-1172561893 -o ROOT/results/node75/solver-310776-1172561893 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/310776-1172561893/sat7_bin /tmp/evaluation/310776-1172561893/instance-310776-1172561893.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  be7dc6f6bf5d0d6359adfd321a4b6af2

RANDOM SEED= 405633814

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node75.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		: 3000.218
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		: 3000.218
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1817056 kB
Buffers:         32772 kB
Cached:         158476 kB
SwapCached:       4184 kB
Active:         110996 kB
Inactive:        90176 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1817056 kB
SwapTotal:     4192956 kB
SwapFree:      4183048 kB
Dirty:            1252 kB
Writeback:           0 kB
Mapped:          15416 kB
Slab:            23628 kB
Committed_AS:   751956 kB
PageTables:       1432 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= 66559 MiB

End job on node75 on Tue Feb 27 07:39:44 UTC 2007