Trace number 1725675

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
iPAWS 2009-03-22SAT 136.692 136.73

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data 

136.66/136.72	s SATISFIABLE
136.66/136.72	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 -218 219 220 221 222 -223 224 -225 226 -227 228 229 -230 -231 -232 -233 234 -235 -236 -237 -238 -239 240 -241 242 243 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136.66/136.72	c input file instance-1725675-1240706117.cnf, flips 29354323

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-1725675-1240706117/watcher-1725675-1240706117 -o /tmp/evaluation-result-1725675-1240706117/solver-1725675-1240706117 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/iPAWS HOME/instance-1725675-1240706117.cnf 1709644761 

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: 1.00 1.21 1.25 3/64 22995
/proc/meminfo: memFree=1854712/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=0
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 484 0 0 0 0 0 0 0 18 0 1 0 98645186 343977984 468 1992294400 134512640 135114423 4294956224 18446744073709551615 134615614 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 468 54 146 0 83831 0

[startup+0.0654239 s]
/proc/loadavg: 1.00 1.21 1.25 3/64 22995
/proc/meminfo: memFree=1854712/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=0.05
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1156 0 0 0 5 0 0 0 18 0 1 0 98645186 343977984 1140 1992294400 134512640 135114423 4294956224 18446744073709551615 134534904 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1140 54 146 0 83831 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 335916

[startup+0.101426 s]
/proc/loadavg: 1.00 1.21 1.25 3/64 22995
/proc/meminfo: memFree=1854712/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=0.09
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1400 0 0 0 9 0 0 0 18 0 1 0 98645186 343977984 1384 1992294400 134512640 135114423 4294956224 18446744073709551615 134519982 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1384 58 146 0 83831 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 335916

[startup+0.301449 s]
/proc/loadavg: 1.00 1.21 1.25 3/64 22995
/proc/meminfo: memFree=1854712/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=0.29
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1400 0 0 0 29 0 0 0 19 0 1 0 98645186 343977984 1384 1992294400 134512640 135114423 4294956224 18446744073709551615 134517692 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1384 58 146 0 83831 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 335916

[startup+0.701494 s]
/proc/loadavg: 1.00 1.21 1.25 3/64 22995
/proc/meminfo: memFree=1854712/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=0.69
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 69 0 0 0 22 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134554751 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 335916

[startup+1.50159 s]
/proc/loadavg: 1.00 1.21 1.25 2/65 22996
/proc/meminfo: memFree=1849328/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=1.49
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 149 0 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134517508 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 335916

[startup+3.10177 s]
/proc/loadavg: 1.00 1.21 1.25 2/65 22996
/proc/meminfo: memFree=1849200/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=3.09
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 309 0 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134514774 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 335916

[startup+6.30113 s]
/proc/loadavg: 1.00 1.20 1.25 2/65 22996
/proc/meminfo: memFree=1849072/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=6.29
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 629 0 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134515629 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 335916

[startup+12.7019 s]
/proc/loadavg: 1.00 1.20 1.25 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=12.69
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 1269 0 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134514850 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 335916

[startup+25.5013 s]
/proc/loadavg: 1.00 1.19 1.25 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=25.48
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 2548 0 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134514774 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 335916

[startup+51.1012 s]
/proc/loadavg: 1.00 1.17 1.24 2/65 22996
/proc/meminfo: memFree=1849080/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=51.07
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 5107 0 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134516669 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 51.07
Current children cumulated vsize (KiB) 335916

[startup+102.304 s]
/proc/loadavg: 1.00 1.14 1.22 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=102.27
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 10226 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134515508 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 102.27
Current children cumulated vsize (KiB) 335916

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

[startup+115.102 s]
/proc/loadavg: 1.00 1.14 1.22 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=115.06
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 11505 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134514774 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 115.06
Current children cumulated vsize (KiB) 335916

[startup+127.902 s]
/proc/loadavg: 1.00 1.13 1.22 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=127.86
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 12785 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134515508 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 127.86
Current children cumulated vsize (KiB) 335916

[startup+131.101 s]
/proc/loadavg: 1.00 1.13 1.21 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=131.06
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 13105 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134517052 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 131.06
Current children cumulated vsize (KiB) 335916

[startup+134.302 s]
/proc/loadavg: 1.00 1.13 1.21 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=134.26
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 13425 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134514777 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 134.26
Current children cumulated vsize (KiB) 335916

[startup+135.903 s]
/proc/loadavg: 1.00 1.13 1.21 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=135.86
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 13585 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134515597 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 135.86
Current children cumulated vsize (KiB) 335916

[startup+136.302 s]
/proc/loadavg: 1.00 1.13 1.21 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=136.26
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 13625 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134514774 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 136.26
Current children cumulated vsize (KiB) 335916

[startup+136.702 s]
/proc/loadavg: 1.00 1.13 1.21 2/65 22996
/proc/meminfo: memFree=1849016/2055920 swapFree=4180724/4192956
[pid=22995] ppid=22993 vsize=335916 CPUtime=136.66
/proc/22995/stat : 22995 (iPAWS) R 22993 22995 22846 0 -1 4194304 1401 0 0 0 13665 1 0 0 25 0 1 0 98645186 343977984 1385 1992294400 134512640 135114423 4294956224 18446744073709551615 134516076 0 0 4096 0 0 0 0 17 1 0 0
/proc/22995/statm: 83979 1385 58 146 0 83831 0
Current children cumulated CPU time (s) 136.66
Current children cumulated vsize (KiB) 335916

Child status: 0
Real time (s): 136.73
CPU time (s): 136.692
CPU user time (s): 136.679
CPU system time (s): 0.012998
CPU usage (%): 99.9723
Max. virtual memory (cumulated for all children) (KiB): 335916

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 136.679
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1409
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= 364

runsolver used 0.108983 second user time and 0.284956 second system time

The end

Launcher Data 

Begin job on node23 at 2009-04-26 02:35:17
IDJOB=1725675
IDBENCH=24595
IDSOLVER=516
FILE ID=node23/1725675-1240706117
PBS_JOBID= 9186818
Free space on /tmp= 66320 MiB

SOLVER NAME= iPAWS 2009-03-22
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= HOME/iPAWS BENCHNAME RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725675-1240706117/watcher-1725675-1240706117 -o /tmp/evaluation-result-1725675-1240706117/solver-1725675-1240706117 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/iPAWS HOME/instance-1725675-1240706117.cnf 1709644761

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

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=1709644761

node23.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		: 3000.238
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		: 3000.238
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:       1855192 kB
Buffers:         18660 kB
Cached:         132152 kB
SwapCached:       5792 kB
Active:          28436 kB
Inactive:       130464 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1855192 kB
SwapTotal:     4192956 kB
SwapFree:      4180724 kB
Dirty:            1352 kB
Writeback:           0 kB
Mapped:          13952 kB
Slab:            27880 kB
Committed_AS:   408712 kB
PageTables:       1388 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= 66320 MiB
End job on node23 at 2009-04-26 02:37:34