Trace number 332608

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
minimarch 2007-02-08SAT 10.7324 10.7357

General information on the benchmark

Namecrafted/Medium/contest05/pebbling/
sat-pbl-00400.sat05-1322.reshuffled-07.cnf
MD5SUM29cf0f53dfca3fe2e94789628bed3971
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark3.46547
Satisfiable
(Un)Satisfiability was proved
Number of variables1497
Number of clauses73374
Sum of the clauses size615277
Maximum clause length11
Minimum clause length1
Number of clauses of size 16
Number of clauses of size 242
Number of clauses of size 3337
Number of clauses of size 4413
Number of clauses of size 53127
Number of clauses of size over 569449

Solver Data (download as text)

0.00/0.00	This is MiniMarch, a modified version of MiniSat 2.0 beta
0.00/0.00	WARNING: for repeatability, setting FPU to use double precision
0.00/0.00	============================[ Problem Statistics ]=============================
0.00/0.00	|                                                                             |
0.00/0.00	|  Number of variables:  1497                                                 |
0.00/0.00	|  Number of clauses:    73374                                                |
0.29/0.38	|  Parsing time:         0.38         s                                       |
10.69/10.72	============================[ Search Statistics ]==============================
10.69/10.72	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
10.69/10.72	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
10.69/10.72	===============================================================================
10.69/10.72	|         0 |       0        0        0 |        0        0    nan |  0.000 % |
10.69/10.72	===============================================================================
10.69/10.72	lookaheads            : 0
10.69/10.72	variable balance      : 0.00
10.69/10.72	restarts              : 1
10.69/10.72	conflicts             : 0              (0 /sec)
10.69/10.72	decisions             : 1              (0.00 % random) (0 /sec)
10.69/10.72	decision = positive   : 0
10.69/10.72	decision = negative   : 0
10.69/10.72	propagations          : 57             (5 /sec)
10.69/10.72	conflict literals     : 0              ( nan % deleted)
10.69/10.72	Memory used           : 22.58 MB
10.69/10.72	CPU time              : 10.6904 s
10.69/10.72	
10.69/10.73	s SATISFIABLE
10.69/10.73	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 -244 245 246 247 248 249 250 251 252 253 254 255 256 -257 258 259 -260 261 262 263 264 265 266 267 268 269 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Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node16/watcher-332608-1173483541 -o ROOT/results/node16/solver-332608-1173483541 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332608-1173483541/minimarch /tmp/evaluation/332608-1173483541/instance-332608-1173483541.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: 0.92 0.98 0.95 3/77 11885
/proc/meminfo: memFree=1717856/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=2000 CPUtime=0
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 400 0 0 0 0 0 0 0 18 0 1 0 368308529 2048000 384 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 500 384 51 132 0 365 0

[startup+0.105666 s]
/proc/loadavg: 0.92 0.98 0.95 3/77 11885
/proc/meminfo: memFree=1717856/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=6148 CPUtime=0.1
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 1451 0 0 0 10 0 0 0 18 0 1 0 368308529 6295552 1435 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134688823 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 1537 1435 51 132 0 1402 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 6148

[startup+0.201663 s]
/proc/loadavg: 0.92 0.98 0.95 3/77 11885
/proc/meminfo: memFree=1717856/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=9740 CPUtime=0.19
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 2319 0 0 0 19 0 0 0 18 0 1 0 368308529 9973760 2303 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134523053 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 2435 2303 51 132 0 2300 0
Current children cumulated CPU time (s) 0.19
Current children cumulated vsize (KiB) 9740

[startup+0.301642 s]
/proc/loadavg: 0.92 0.98 0.95 3/77 11885
/proc/meminfo: memFree=1717856/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=9740 CPUtime=0.29
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 2319 0 0 0 29 0 0 0 19 0 1 0 368308529 9973760 2303 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134523094 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 2435 2303 51 132 0 2300 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9740

[startup+0.701594 s]
/proc/loadavg: 0.92 0.98 0.95 3/77 11885
/proc/meminfo: memFree=1717856/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=9736 CPUtime=0.69
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 2331 0 0 0 69 0 0 0 23 0 1 0 368308529 9969664 2315 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531329 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 2434 2315 63 132 0 2299 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9736

[startup+1.5015 s]
/proc/loadavg: 0.92 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1708760/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=9736 CPUtime=1.49
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 2331 0 0 0 149 0 0 0 25 0 1 0 368308529 9969664 2315 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531329 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 2434 2315 63 132 0 2299 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 9736

[startup+3.10131 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1704664/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=17196 CPUtime=3.09
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 4155 0 0 0 307 2 0 0 25 0 1 0 368308529 17608704 4139 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134523047 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 4299 4139 63 132 0 4164 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 17196

[startup+6.30192 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1697048/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=21940 CPUtime=6.29
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 5261 0 0 0 627 2 0 0 25 0 1 0 368308529 22466560 5245 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531538 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 5485 5245 63 132 0 5350 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 21940

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

[startup+6.40191 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1697048/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=21940 CPUtime=6.39
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 5263 0 0 0 637 2 0 0 25 0 1 0 368308529 22466560 5247 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531611 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 5485 5247 63 132 0 5350 0
Current children cumulated CPU time (s) 6.39
Current children cumulated vsize (KiB) 21940

[startup+8.00172 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1695512/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=23480 CPUtime=7.98
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 5590 0 0 0 796 2 0 0 25 0 1 0 368308529 24043520 5574 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531329 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 5870 5574 63 132 0 5735 0
Current children cumulated CPU time (s) 7.98
Current children cumulated vsize (KiB) 23480

[startup+9.60153 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1694744/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=25316 CPUtime=9.59
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 5968 0 0 0 956 3 0 0 25 0 1 0 368308529 25923584 5952 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531526 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 6329 5952 63 132 0 6194 0
Current children cumulated CPU time (s) 9.59
Current children cumulated vsize (KiB) 25316

[startup+10.4024 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1693592/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=25708 CPUtime=10.39
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 6157 0 0 0 1036 3 0 0 25 0 1 0 368308529 26324992 6141 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531566 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 6427 6142 63 132 0 6292 0
Current children cumulated CPU time (s) 10.39
Current children cumulated vsize (KiB) 25708

[startup+10.6014 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1693592/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=25836 CPUtime=10.59
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 6243 0 0 0 1056 3 0 0 25 0 1 0 368308529 26456064 6227 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134531530 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 6459 6227 63 132 0 6324 0
Current children cumulated CPU time (s) 10.59
Current children cumulated vsize (KiB) 25836

[startup+10.7014 s]
/proc/loadavg: 0.93 0.98 0.95 2/78 11886
/proc/meminfo: memFree=1693592/2055920 swapFree=4159664/4192956
[pid=11885] ppid=11883 vsize=26100 CPUtime=10.69
/proc/11885/stat : 11885 (minimarch) R 11883 11885 10957 0 -1 4194304 6305 0 0 0 1066 3 0 0 25 0 1 0 368308529 26726400 6289 18446744073709551615 134512640 135054332 4294956704 18446744073709551615 134684010 0 0 4096 3 0 0 0 17 1 0 0
/proc/11885/statm: 6525 6289 63 132 0 6390 0
Current children cumulated CPU time (s) 10.69
Current children cumulated vsize (KiB) 26100

Child status: 10
Real time (s): 10.7357
CPU time (s): 10.7324
CPU user time (s): 10.6904
CPU system time (s): 0.041993
CPU usage (%): 99.9689
Max. virtual memory (cumulated for all children) (KiB): 26100

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 10.6904
system time used= 0.041993
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6313
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= 229

runsolver used 0.013997 second user time and 0.028995 second system time

The end

Launcher Data (download as text)

Begin job on node16 on Fri Mar  9 23:39:02 UTC 2007

IDJOB= 332608
IDBENCH= 24584
IDSOLVER= 110
FILE ID= node16/332608-1173483541

PBS_JOBID= 4101083

Free space on /tmp= 66438 MiB

SOLVER NAME= minimarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/pebbling/sat-pbl-00400.sat05-1322.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/332608-1173483541/minimarch /tmp/evaluation/332608-1173483541/instance-332608-1173483541.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-332608-1173483541 -o ROOT/results/node16/solver-332608-1173483541 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332608-1173483541/minimarch /tmp/evaluation/332608-1173483541/instance-332608-1173483541.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  29cf0f53dfca3fe2e94789628bed3971

RANDOM SEED= 636868956

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node16.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		: 3000.281
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		: 3000.281
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:       1718264 kB
Buffers:         39780 kB
Cached:         216316 kB
SwapCached:       2712 kB
Active:         143924 kB
Inactive:       135656 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1718264 kB
SwapTotal:     4192956 kB
SwapFree:      4159664 kB
Dirty:            5348 kB
Writeback:           0 kB
Mapped:          30944 kB
Slab:            43708 kB
Committed_AS:  1334684 kB
PageTables:       1720 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= 66438 MiB

End job on node16 on Fri Mar  9 23:39:13 UTC 2007