Trace number 2669472

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 NameAnswerobjective functionCPU timeWall clock time
PB/CT 0.1OPT1 23.4314 23.4375

General information on the benchmark

Namenormalized-PB06/OPT-BIGINT/submitted-PB06/roussel/factor/
normalized-factor-sizeN=40-sizeP=21-sizeQ=40-793490986.opb
MD5SUM350d408beae99ee9f856a98f1d069b1d
Bench CategoryOPT-BIGINT (optimisation, big integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark1
Best CPU time to get the best result obtained on this benchmark1.3228
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 1
Optimality of the best value was proved YES
Number of variables901
Total number of constraints2521
Number of constraints which are clauses2520
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint840
Number of terms in the objective function 21
Biggest coefficient in the objective function 1048576
Number of bits for the biggest coefficient in the objective function 21
Sum of the numbers in the objective function 2097151
Number of bits of the sum of numbers in the objective function 21
Biggest number in a constraint 576460752303423488
Number of bits of the biggest number in a constraint 60
Biggest sum of numbers in a constraint 2305841944493460011
Number of bits of the biggest sum of numbers61
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Quality of the solution as a function of time


Download the above graph as a PDF file / as an EPS file

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
0.00/0.03	c constraints 1/0 clauses 2520/0 units 0
0.00/0.03	c vars 901
0.00/0.03	c objective 21 + 0
9.48/9.52	c 9.35458 27.0508 2089 64923
9.48/9.52	o 251
23.29/23.38	c 23.0605 27.2188 1771 100299
23.29/23.38	o 1
23.29/23.38	c 23.0635 27.2188 886 100299
23.29/23.38	s OPTIMUM FOUND
23.29/23.38	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 -x184 -x185 -x186 -x187 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-x852 -x853 -x854 -x855 -x856 -x857 -x858 -x859 -x860 -x861 -x862 -x863 -x864 -x865 -x866 -x867 -x868 -x869 -x870 -x871 -x872 -x873 -x874 -x875 -x876 -x877 -x878 -x879 -x880 -x881 -x882 -x883 -x884 -x885 -x886 -x887 -x888 -x889 -x890 -x891 -x892 -x893 -x894 -x895 -x896 -x897 -x898 -x899 -x900 -x901

Verifier Data 

OK	1

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2669472-1276628094/watcher-2669472-1276628094 -o /tmp/evaluation-result-2669472-1276628094/solver-2669472-1276628094 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2669472-1276628094.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: 0.99 0.98 0.99 3/106 11357
/proc/meminfo: memFree=1750932/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=2208 CPUtime=0
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 257 0 0 0 0 0 0 0 20 0 1 0 4101386 2260992 179 1992294400 134512640 136485738 4288915056 18446744073709551615 135415648 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/11357/statm: 552 179 156 482 0 68 0

[startup+0.0672721 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 11357
/proc/meminfo: memFree=1750932/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=7276 CPUtime=0.06
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 1479 0 0 0 6 0 0 0 20 0 1 0 4101386 7450624 1401 1992294400 134512640 136485738 4288915056 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 1819 1403 198 482 0 1335 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 7276

[startup+0.101276 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 11357
/proc/meminfo: memFree=1750932/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=10288 CPUtime=0.09
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 2217 0 0 0 8 1 0 0 20 0 1 0 4101386 10534912 2139 1992294400 134512640 136485738 4288915056 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 2572 2140 198 482 0 2088 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10288

[startup+0.301297 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 11357
/proc/meminfo: memFree=1750932/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=15236 CPUtime=0.29
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 3488 0 0 0 27 2 0 0 20 0 1 0 4101386 15601664 3410 1992294400 134512640 136485738 4288915056 18446744073709551615 135260395 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 3809 3410 228 482 0 3325 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 15236

[startup+0.701339 s]
/proc/loadavg: 0.99 0.98 0.99 3/106 11357
/proc/meminfo: memFree=1750932/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=16784 CPUtime=0.69
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 3886 0 0 0 66 3 0 0 20 0 1 0 4101386 17186816 3808 1992294400 134512640 136485738 4288915056 18446744073709551615 135860656 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 4196 3808 228 482 0 3712 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 16784

[startup+1.50142 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11358
/proc/meminfo: memFree=1735424/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=19608 CPUtime=1.5
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 4586 0 0 0 144 6 0 0 22 0 1 0 4101386 20078592 4508 1992294400 134512640 136485738 4288915056 18446744073709551615 135037649 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 4902 4508 228 482 0 4418 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 19608

[startup+3.1016 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11358
/proc/meminfo: memFree=1731084/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=24252 CPUtime=3.09
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 5746 0 0 0 301 8 0 0 25 0 1 0 4101386 24834048 5668 1992294400 134512640 136485738 4288915056 18446744073709551615 135856892 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6063 5668 228 482 0 5579 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 24252

[startup+6.30094 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1727612/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27696 CPUtime=6.29
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6611 0 0 0 617 12 0 0 25 0 1 0 4101386 28360704 6533 1992294400 134512640 136485738 4288915056 18446744073709551615 134878710 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6924 6533 228 482 0 6440 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 27696

[startup+12.7006 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1725256/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27868 CPUtime=12.69
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6652 0 0 0 1249 20 0 0 25 0 1 0 4101386 28536832 6573 1992294400 134512640 136485738 4288915056 18446744073709551615 135024568 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6967 6573 246 482 0 6483 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 27868

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

[startup+19.1013 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1725256/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27868 CPUtime=19.09
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6652 0 0 0 1881 28 0 0 25 0 1 0 4101386 28536832 6573 1992294400 134512640 136485738 4288915056 18446744073709551615 135857105 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6967 6573 246 482 0 6483 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 27868

[startup+20.7015 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1725256/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27868 CPUtime=20.69
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6652 0 0 0 2040 29 0 0 25 0 1 0 4101386 28536832 6573 1992294400 134512640 136485738 4288915056 18446744073709551615 135028904 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6967 6573 246 482 0 6483 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 27868

[startup+22.3006 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1725256/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27868 CPUtime=22.29
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6652 0 0 0 2199 30 0 0 25 0 1 0 4101386 28536832 6573 1992294400 134512640 136485738 4288915056 18446744073709551615 135184241 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6967 6573 246 482 0 6483 0
Current children cumulated CPU time (s) 22.29
Current children cumulated vsize (KiB) 27868

[startup+23.1077 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1725256/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27868 CPUtime=23.1
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6652 0 0 0 2279 31 0 0 25 0 1 0 4101386 28536832 6573 1992294400 134512640 136485738 4288915056 18446744073709551615 135039661 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6967 6573 246 482 0 6483 0
Current children cumulated CPU time (s) 23.1
Current children cumulated vsize (KiB) 27868

[startup+23.3007 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1725256/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27868 CPUtime=23.29
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6652 0 0 0 2298 31 0 0 25 0 1 0 4101386 28536832 6573 1992294400 134512640 136485738 4288915056 18446744073709551615 135293365 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6967 6573 246 482 0 6483 0
Current children cumulated CPU time (s) 23.29
Current children cumulated vsize (KiB) 27868

[startup+23.4008 s]
/proc/loadavg: 0.99 0.98 0.99 2/107 11360
/proc/meminfo: memFree=1725256/2059040 swapFree=4192956/4192956
[pid=11357] ppid=11355 vsize=27348 CPUtime=23.38
/proc/11357/stat : 11357 (pbct) R 11355 11357 10498 0 -1 4202496 6662 0 0 0 2307 31 0 0 25 0 1 0 4101386 28004352 6451 1992294400 134512640 136485738 4288915056 18446744073709551615 136086046 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/11357/statm: 6837 6246 250 482 0 6353 0
Current children cumulated CPU time (s) 23.38
Current children cumulated vsize (KiB) 27348

Child status: 0
Real time (s): 23.4375
CPU time (s): 23.4314
CPU user time (s): 23.1115
CPU system time (s): 0.319951
CPU usage (%): 99.9742
Max. virtual memory (cumulated for all children) (KiB): 27868

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.1115
system time used= 0.319951
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 6663
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= 38

runsolver used 0.049992 second user time and 0.110983 second system time

The end

Launcher Data 

Begin job on node047 at 2010-06-15 20:54:54
IDJOB=2669472
IDBENCH=3033
IDSOLVER=1170
FILE ID=node047/2669472-1276628094
PBS_JOBID= 11172321
Free space on /tmp= 62540 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06/final/normalized-PB06/OPT-BIGINT/submitted-PB06/roussel/factor/normalized-factor-sizeN=40-sizeP=21-sizeQ=40-793490986.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2669472-1276628094/watcher-2669472-1276628094 -o /tmp/evaluation-result-2669472-1276628094/solver-2669472-1276628094 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2669472-1276628094.opb

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

MD5SUM BENCH= 350d408beae99ee9f856a98f1d069b1d
RANDOM SEED=68796968

node047.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		: 3000.244
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	: 6000.48
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		: 3000.244
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	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1751336 kB
Buffers:         45576 kB
Cached:         137856 kB
SwapCached:          0 kB
Active:         118576 kB
Inactive:       124192 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1751336 kB
SwapTotal:     4192956 kB
SwapFree:      4192956 kB
Dirty:            2272 kB
Writeback:           0 kB
AnonPages:       59296 kB
Mapped:          15412 kB
Slab:            43008 kB
PageTables:       3988 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181668 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= 62540 MiB
End job on node047 at 2010-06-15 20:55:17