Trace number 2669096

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
PB/CT 0.1SAT 3.9684 3.96897

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/
FPGA_SAT05/normalized-fpga30_28_sat_pb.cnf.cr.opb
MD5SUM30ece871aa3028bf4a3db0aa3daf115a
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.021996
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables1260
Total number of constraints926
Number of constraints which are clauses868
Number of constraints which are cardinality constraints (but not clauses)58
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint15
Maximum length of a constraint30
Number of terms in the objective function 0
Biggest coefficient in the objective function 0
Number of bits for the biggest coefficient in the objective function 0
Sum of the numbers in the objective function 0
Number of bits of the sum of numbers in the objective function 0
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 31
Number of bits of the biggest sum of numbers5
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.04	c constraints 58/0 clauses 868/0 units 0
0.00/0.04	c vars 1260
3.89/3.91	c 3.24651 18.6875 2034 81765
3.89/3.91	s SATISFIABLE
3.89/3.91	v -x1 -x2 -x3 -x4 x5 -x6 -x7 -x8 -x9 -x10 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 -x62 -x63 -x64 -x65 x66 -x67 -x68 -x69 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 -x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 x104 -x105 -x106 -x107 -x108 -x109 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 -x128 -x129 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137 -x138 x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 -x168 -x169 -x170 -x171 -x172 -x173 x174 -x175 -x176 -x177 -x178 -x179 -x180 -x181 -x182 -x183 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-x1161 -x1162 -x1163 -x1164 -x1165 -x1166 -x1167 -x1168 -x1169 -x1170 -x1171 -x1172 -x1173 x1174 -x1175 -x1176 -x1177 -x1178 -x1179 -x1180 x1181 -x1182 -x1183 -x1184 -x1185 -x1186 -x1187 -x1188 -x1189 -x1190 -x1191 -x1192 x1193 -x1194 -x1195 -x1196 -x1197 -x1198 -x1199 -x1200 -x1201 -x1202 -x1203 -x1204 -x1205 -x1206 -x1207 -x1208 -x1209 -x1210 -x1211 -x1212 x1213 -x1214 -x1215 -x1216 -x1217 -x1218 -x1219 -x1220 -x1221 -x1222 -x1223 -x1224 -x1225 -x1226 -x1227 -x1228 x1229 -x1230 -x1231 -x1232 -x1233 -x1234 -x1235 x1236 -x1237 -x1238 -x1239 -x1240 -x1241 -x1242 -x1243 -x1244 -x1245 -x1246 x1247 -x1248 -x1249 -x1250 -x1251 -x1252 -x1253 -x1254 -x1255 -x1256 -x1257 -x1258 -x1259 -x1260

Verifier Data

OK	0

Watcher Data

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2669096-1276435397/watcher-2669096-1276435397 -o /tmp/evaluation-result-2669096-1276435397/solver-2669096-1276435397 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669096-1276435397.opb 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.92 0.98 0.98 3/106 24213
/proc/meminfo: memFree=1849012/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=2208 CPUtime=0
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 252 0 0 0 0 0 0 0 20 0 1 0 17196063 2260992 175 1992294400 134512640 136485738 4289137872 18446744073709551615 135415648 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24213/statm: 552 175 156 482 0 68 0

[startup+0.0684249 s]
/proc/loadavg: 0.92 0.98 0.98 3/106 24213
/proc/meminfo: memFree=1849012/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=6568 CPUtime=0.06
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 1320 0 0 0 6 0 0 0 20 0 1 0 17196063 6725632 1243 1992294400 134512640 136485738 4289137872 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 1642 1243 191 482 0 1158 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 6568

[startup+0.10143 s]
/proc/loadavg: 0.92 0.98 0.98 3/106 24213
/proc/meminfo: memFree=1849012/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=9752 CPUtime=0.09
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 2099 0 0 0 9 0 0 0 20 0 1 0 17196063 9986048 2022 1992294400 134512640 136485738 4289137872 18446744073709551615 135468465 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 2438 2023 196 482 0 1954 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9752

[startup+0.301467 s]
/proc/loadavg: 0.92 0.98 0.98 3/106 24213
/proc/meminfo: memFree=1849012/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=15728 CPUtime=0.29
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 3635 0 0 0 25 4 0 0 20 0 1 0 17196063 16105472 3532 1992294400 134512640 136485738 4289137872 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 3932 3532 224 482 0 3448 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15728

[startup+0.701542 s]
/proc/loadavg: 0.92 0.98 0.98 3/106 24213
/proc/meminfo: memFree=1849012/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=16648 CPUtime=0.69
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 3858 0 0 0 57 12 0 0 20 0 1 0 17196063 17047552 3755 1992294400 134512640 136485738 4289137872 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 4162 3755 224 482 0 3678 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16648

[startup+1.50169 s]
/proc/loadavg: 0.92 0.98 0.98 2/107 24214
/proc/meminfo: memFree=1834496/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=18088 CPUtime=1.49
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 4227 0 0 0 123 26 0 0 22 0 1 0 17196063 18522112 4124 1992294400 134512640 136485738 4289137872 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 4522 4124 224 482 0 4038 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 18088

[startup+3.10099 s]
/proc/loadavg: 0.92 0.98 0.98 2/107 24214
/proc/meminfo: memFree=1832884/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=19132 CPUtime=3.09
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 4460 0 0 0 258 51 0 0 25 0 1 0 17196063 19591168 4357 1992294400 134512640 136485738 4289137872 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 4783 4357 224 482 0 4299 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 19132

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

[startup+3.50106 s]
/proc/loadavg: 0.93 0.98 0.98 2/107 24214
/proc/meminfo: memFree=1832016/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=19132 CPUtime=3.49
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 4460 0 0 0 291 58 0 0 25 0 1 0 17196063 19591168 4357 1992294400 134512640 136485738 4289137872 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 4783 4357 224 482 0 4299 0
Current children cumulated CPU time (s) 3.49
Current children cumulated vsize (KiB) 19132

[startup+3.90114 s]
/proc/loadavg: 0.93 0.98 0.98 2/107 24214
/proc/meminfo: memFree=1832016/2059040 swapFree=4142408/4192956
[pid=24213] ppid=24211 vsize=19132 CPUtime=3.89
/proc/24213/stat : 24213 (pbct) R 24211 24213 23803 0 -1 4202496 4460 0 0 0 323 66 0 0 25 0 1 0 17196063 19591168 4357 1992294400 134512640 136485738 4289137872 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24213/statm: 4783 4357 224 482 0 4299 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 19132

Child status: 0
Real time (s): 3.96897
CPU time (s): 3.9684
CPU user time (s): 3.3015
CPU system time (s): 0.666898
CPU usage (%): 99.9855
Max. virtual memory (cumulated for all children) (KiB): 19132

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.3015
system time used= 0.666898
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4484
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= 1
involuntary context switches= 13

runsolver used 0.010998 second user time and 0.022996 second system time

The end

Launcher Data

Begin job on node019 at 2010-06-13 15:23:17
IDJOB=2669096
IDBENCH=1442
IDSOLVER=1170
FILE ID=node019/2669096-1276435397
PBS_JOBID= 11173319
Free space on /tmp= 62356 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB05/aloul/FPGA_SAT05/normalized-fpga30_28_sat_pb.cnf.cr.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669096-1276435397/watcher-2669096-1276435397 -o /tmp/evaluation-result-2669096-1276435397/solver-2669096-1276435397 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669096-1276435397.opb

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

MD5SUM BENCH= 30ece871aa3028bf4a3db0aa3daf115a
RANDOM SEED=1188782718

node019.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.264
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.52
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		: 3000.264
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1849416 kB
Buffers:         20580 kB
Cached:          96880 kB
SwapCached:       4704 kB
Active:          32008 kB
Inactive:        98848 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1849416 kB
SwapTotal:     4192956 kB
SwapFree:      4142408 kB
Dirty:            2120 kB
Writeback:           0 kB
AnonPages:       11560 kB
Mapped:          13704 kB
Slab:            56832 kB
PageTables:       4016 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   182128 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62356 MiB
End job on node019 at 2010-06-13 15:23:21