Trace number 311514

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 61.3157 61.335

General information on the benchmark

Namerandom/2+p/p0.8/v2035/
unif2p-p0.8-v2035-c6328-S668297284-15-SAT.cnf
MD5SUM4d15e4ef1977463310683c8d04611f9d
Bench CategoryRANDOM (random instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark0.433933
Satisfiable
(Un)Satisfiability was proved
Number of variables2035
Number of clauses6327
Sum of the clauses size17716
Maximum clause length3
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 21265
Number of clauses of size 35062
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data (download as text)

0.00/0.02	c Starting solver ...
0.00/0.04	c Restarting after 102 conflicts
0.00/0.06	c Restarting after 252 conflicts
0.00/0.09	c Restarting after 477 conflicts
0.10/0.15	c Restarting after 815 conflicts
0.20/0.22	c Restarting after 1323 conflicts
0.30/0.35	c Restarting after 2083 conflicts
0.51/0.55	c Restarting after 3225 conflicts
0.81/0.86	c Restarting after 4933 conflicts
1.33/1.35	c Restarting after 7497 conflicts
2.04/2.08	c Restarting after 11341 conflicts
3.17/3.24	c Restarting after 17107 conflicts
5.01/5.09	c Restarting after 25757 conflicts
7.88/7.98	c Restarting after 38732 conflicts
12.38/12.47	c Restarting after 58194 conflicts
19.35/19.43	c Restarting after 87387 conflicts
30.61/30.70	c Restarting after 131176 conflicts
48.01/48.03	c Restarting after 196860 conflicts
61.22/61.32	s SATISFIABLE
61.22/61.32	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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61.22/61.33	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/node67/watcher-311514-1172571275 -o ROOT/results/node67/solver-311514-1172571275 -C 1200 -M 1800 --output-limit 1,15 /tmp/evaluation/311514-1172571275/sat7_bin /tmp/evaluation/311514-1172571275/instance-311514-1172571275.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: 1.00 1.00 1.00 3/64 19319
/proc/meminfo: memFree=1866608/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=1332 CPUtime=0
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 184 0 0 0 0 0 0 0 18 0 1 0 277085168 1363968 167 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134615360 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 333 167 88 220 0 110 0

[startup+0.106785 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19319
/proc/meminfo: memFree=1866608/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=2252 CPUtime=0.1
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 326 0 0 0 10 0 0 0 18 0 1 0 277085168 2306048 309 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532759 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 563 309 95 220 0 340 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 2252

[startup+0.514827 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 19319
/proc/meminfo: memFree=1866608/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=3280 CPUtime=0.51
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 424 0 0 0 51 0 0 0 21 0 1 0 277085168 3358720 407 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134528658 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 820 407 95 220 0 597 0
Current children cumulated CPU time (s) 0.51
Current children cumulated vsize (KiB) 3280

[startup+1.33491 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1865064/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=3280 CPUtime=1.33
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 517 0 0 0 133 0 0 0 25 0 1 0 277085168 3358720 500 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134529967 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 820 500 95 220 0 597 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 3280

[startup+2.97108 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1864680/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=3280 CPUtime=2.96
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 585 0 0 0 296 0 0 0 25 0 1 0 277085168 3358720 568 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532540 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 820 568 95 220 0 597 0
Current children cumulated CPU time (s) 2.96
Current children cumulated vsize (KiB) 3280

[startup+6.25243 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1864168/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=3280 CPUtime=6.24
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 678 0 0 0 624 0 0 0 25 0 1 0 277085168 3358720 661 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532333 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 820 661 95 220 0 597 0
Current children cumulated CPU time (s) 6.24
Current children cumulated vsize (KiB) 3280

[startup+12.7021 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1863536/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5464 CPUtime=12.69
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 835 0 0 0 1269 0 0 0 25 0 1 0 277085168 5595136 818 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532523 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1366 818 95 220 0 1143 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 5464

[startup+25.5054 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1862768/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5596 CPUtime=25.49
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1025 0 0 0 2549 0 0 0 25 0 1 0 277085168 5730304 1008 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532561 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1399 1008 95 220 0 1176 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 5596

[startup+51.1101 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1862000/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5872 CPUtime=51.08
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1182 0 0 0 5108 0 0 0 25 0 1 0 277085168 6012928 1165 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1468 1165 95 220 0 1245 0
Current children cumulated CPU time (s) 51.08
Current children cumulated vsize (KiB) 5872

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

[startup+52.4403 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1862000/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5872 CPUtime=52.41
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1185 0 0 0 5241 0 0 0 25 0 1 0 277085168 6012928 1168 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1468 1168 95 220 0 1245 0
Current children cumulated CPU time (s) 52.41
Current children cumulated vsize (KiB) 5872

[startup+55.7166 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1861808/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5872 CPUtime=55.69
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1230 0 0 0 5569 0 0 0 25 0 1 0 277085168 6012928 1213 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1468 1213 95 220 0 1245 0
Current children cumulated CPU time (s) 55.69
Current children cumulated vsize (KiB) 5872

[startup+58.9959 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1861808/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5872 CPUtime=58.97
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1238 0 0 0 5897 0 0 0 25 0 1 0 277085168 6012928 1221 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532383 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1468 1221 95 220 0 1245 0
Current children cumulated CPU time (s) 58.97
Current children cumulated vsize (KiB) 5872

[startup+60.6321 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1861744/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5872 CPUtime=60.6
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1247 0 0 0 6060 0 0 0 25 0 1 0 277085168 6012928 1230 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532412 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1468 1230 95 220 0 1245 0
Current children cumulated CPU time (s) 60.6
Current children cumulated vsize (KiB) 5872

[startup+61.0442 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1861744/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5872 CPUtime=61.02
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1254 0 0 0 6102 0 0 0 25 0 1 0 277085168 6012928 1237 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532571 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1468 1237 95 220 0 1245 0
Current children cumulated CPU time (s) 61.02
Current children cumulated vsize (KiB) 5872

[startup+61.2482 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 19320
/proc/meminfo: memFree=1861744/2055920 swapFree=4183972/4192956
[pid=19319] ppid=19317 vsize=5872 CPUtime=61.22
/proc/19319/stat : 19319 (sat7_bin) R 19317 19319 18968 0 -1 4194304 1256 0 0 0 6122 0 0 0 25 0 1 0 277085168 6012928 1239 18446744073709551615 134512640 135417445 4294956704 18446744073709551615 134532759 0 0 4096 0 0 0 0 17 1 0 0
/proc/19319/statm: 1468 1239 95 220 0 1245 0
Current children cumulated CPU time (s) 61.22
Current children cumulated vsize (KiB) 5872

Child status: 10
Real time (s): 61.335
CPU time (s): 61.3157
CPU user time (s): 61.3097
CPU system time (s): 0.005999
CPU usage (%): 99.9686
Max. virtual memory (cumulated for all children) (KiB): 5872

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 61.3097
system time used= 0.005999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1256
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= 116

runsolver used 0.040993 second user time and 0.12998 second system time

The end

Launcher Data (download as text)

Begin job on node67 on Tue Feb 27 10:14:35 UTC 2007

IDJOB= 311514
IDBENCH= 20316
IDSOLVER= 101
FILE ID= node67/311514-1172571275

PBS_JOBID= 3971896

Free space on /tmp= 66558 MiB

SOLVER NAME= SAT7 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/random/2+p/p0.8/v2035/unif2p-p0.8-v2035-c6328-S668297284-15-SAT.cnf
COMMAND LINE= /tmp/evaluation/311514-1172571275/sat7_bin /tmp/evaluation/311514-1172571275/instance-311514-1172571275.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node67/watcher-311514-1172571275 -o ROOT/results/node67/solver-311514-1172571275 -C 1200 -M 1800 --output-limit 1,15  /tmp/evaluation/311514-1172571275/sat7_bin /tmp/evaluation/311514-1172571275/instance-311514-1172571275.cnf            

META MD5SUM SOLVER= 499b432f7af158d8586c91b2e490220f
MD5SUM BENCH=  4d15e4ef1977463310683c8d04611f9d

RANDOM SEED= 815281386

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node67.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		: 3000.236
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		: 3000.236
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:       1867016 kB
Buffers:         22004 kB
Cached:         119788 kB
SwapCached:       3252 kB
Active:          76664 kB
Inactive:        75044 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1867016 kB
SwapTotal:     4192956 kB
SwapFree:      4183972 kB
Dirty:            1244 kB
Writeback:           0 kB
Mapped:          15380 kB
Slab:            23112 kB
Committed_AS:   768892 kB
PageTables:       1452 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= 66558 MiB

End job on node67 on Tue Feb 27 10:15:37 UTC 2007