Trace number 50496

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 NameAnswerObjective functionCPU timeWall clock time
PBS 4.1LOPT4 191.28 191.34

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/
logic_synthesis/normalized-m100_100_50_50.r.opb
MD5SUM92218ddb5567427e70962e6332b1ed9e
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark4
Best CPU time to get the best result obtained on this benchmark1.46578
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 4
Optimality of the best value was proved YES
Number of variables100
Total number of constraints100
Number of constraints which are clauses100
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints0
Minimum length of a constraint50
Maximum length of a constraint50
Number of terms in the objective function 100
Biggest coefficient in the objective function 1
Number of bits for the biggest coefficient in the objective function 1
Sum of the numbers in the objective function 100
Number of bits of the sum of numbers in the objective function 7
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 100
Number of bits of the biggest sum of numbers7
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 (download as text)

0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00	c Solving ROOT/tmp/node66/50496-1149884891/instance-50496-1149884891.opb ......
0.01	c done parsing opb.
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191.33	o 4
191.33	s OPTIMUM FOUND
191.33	c Total Run Time					191.266
191.33	v -x1 -x10 -x100 -x11 -x12 -x13 -x14 -x15 -x16 -x17 -x18 -x19 -x2 -x20 -x21 -x22 -x23 -x24 -x25 -x26 -x27 -x28 -x29 -x3 -x30 -x31
191.33	v -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x4 -x40 -x41 -x42 -x43 -x44 x45 -x46 -x47 x48 -x49 -x5 -x50 -x51 -x52 -x53 -x54 -x55 -x56
191.33	v -x57 -x58 -x59 -x6 -x60 x61 -x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x7 -x70 -x71 -x72 -x73 -x74 -x75 -x76 -x77 -x78 -x79 -x8 -x80
191.33	v -x81 -x82 -x83 x84 -x85 -x86 -x87 -x88 -x89 -x9 -x90 -x91 -x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99

Verifier Data (download as text)

OK	4

Watcher Data (download as text)

Enforcing CPU limit (will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime (will send SIGXCPU) limit: 1830 seconds
Enforcing Stack size limit: 67108864 bytes

runsolver version 3.0.1 (c) roussel@cril.univ-artois.fr

Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
command line: runsolver --timestamp -w ROOT/results/node66/watcher-50496-1149884891 -o ROOT/results/node66/solver-50496-1149884891 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user11/PBS4L ROOT/tmp/node66/50496-1149884891/instance-50496-1149884891.opb 897497416 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.86 0.95 0.98 2/64 8634
/proc/meminfo: memFree=1574240/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=1400 CPUtime=0
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 144 0 0 0 0 0 0 0 18 0 1 0 254157187 1433600 128 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134688241 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 350 128 100 232 0 115 0

[startup+10.0026 s]
/proc/loadavg: 0.88 0.95 0.98 2/64 8634
/proc/meminfo: memFree=1569216/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=7020 CPUtime=9.99
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 1542 0 0 0 995 4 0 0 25 0 1 0 254157187 7188480 1372 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 135140097 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 1755 1372 107 232 0 1520 0
Current children cumulated CPU time (s) 9.99
Current children cumulated vsize (Kb) 7020

[startup+20.0088 s]
/proc/loadavg: 0.90 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1567744/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=11700 CPUtime=19.99
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 1901 0 0 0 1994 5 0 0 25 0 1 0 254157187 11980800 1731 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 135140097 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 2925 1731 107 232 0 2690 0
Current children cumulated CPU time (s) 19.99
Current children cumulated vsize (Kb) 11700

[startup+30.016 s]
/proc/loadavg: 0.92 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1565824/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=13196 CPUtime=30
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 2584 0 0 0 2992 8 0 0 25 0 1 0 254157187 13512704 2221 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558838 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 3299 2221 107 232 0 3064 0
Current children cumulated CPU time (s) 30
Current children cumulated vsize (Kb) 13196

[startup+40.0222 s]
/proc/loadavg: 0.93 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1565504/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=13356 CPUtime=40.01
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 2656 0 0 0 3990 11 0 0 25 0 1 0 254157187 13676544 2293 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558830 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 3339 2293 107 232 0 3104 0
Current children cumulated CPU time (s) 40.01
Current children cumulated vsize (Kb) 13356

[startup+50.0284 s]
/proc/loadavg: 0.94 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1564800/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=13640 CPUtime=50
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 2845 0 0 0 4987 13 0 0 25 0 1 0 254157187 13967360 2482 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558877 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 3410 2482 107 232 0 3175 0
Current children cumulated CPU time (s) 50
Current children cumulated vsize (Kb) 13640

[startup+60.0346 s]
/proc/loadavg: 0.95 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1564416/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=13944 CPUtime=60.01
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 2934 0 0 0 5986 15 0 0 25 0 1 0 254157187 14278656 2571 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134549257 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 3486 2571 107 232 0 3251 0
Current children cumulated CPU time (s) 60.01
Current children cumulated vsize (Kb) 13944

[startup+70.0408 s]
/proc/loadavg: 0.95 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1564224/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=13944 CPUtime=70.01
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 2983 0 0 0 6984 17 0 0 25 0 1 0 254157187 14278656 2620 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134551195 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 3486 2620 107 232 0 3251 0
Current children cumulated CPU time (s) 70.01
Current children cumulated vsize (Kb) 13944

[startup+80.048 s]
/proc/loadavg: 0.96 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1562816/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=15904 CPUtime=80.01
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 3722 0 0 0 7982 19 0 0 25 0 1 0 254157187 16285696 2974 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 135140097 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 3976 2974 107 232 0 3741 0
Current children cumulated CPU time (s) 80.01
Current children cumulated vsize (Kb) 15904

[startup+90.0552 s]
/proc/loadavg: 0.97 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1562560/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=16104 CPUtime=90.02
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 3783 0 0 0 8981 21 0 0 25 0 1 0 254157187 16490496 3035 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558830 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4026 3035 107 232 0 3791 0
Current children cumulated CPU time (s) 90.02
Current children cumulated vsize (Kb) 16104

[startup+100.061 s]
/proc/loadavg: 0.97 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1561920/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=16580 CPUtime=100.02
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 3931 0 0 0 9979 23 0 0 25 0 1 0 254157187 16977920 3183 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558830 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4145 3183 107 232 0 3910 0
Current children cumulated CPU time (s) 100.02
Current children cumulated vsize (Kb) 16580

[startup+110.068 s]
/proc/loadavg: 0.98 0.96 0.98 2/64 8634
/proc/meminfo: memFree=1561664/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=16712 CPUtime=110.03
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4005 0 0 0 10978 25 0 0 25 0 1 0 254157187 17113088 3257 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558859 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4178 3257 107 232 0 3943 0
Current children cumulated CPU time (s) 110.03
Current children cumulated vsize (Kb) 16712

[startup+120.074 s]
/proc/loadavg: 0.98 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1561280/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=16996 CPUtime=120.03
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4103 0 0 0 11975 28 0 0 25 0 1 0 254157187 17403904 3355 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558830 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4249 3355 107 232 0 4014 0
Current children cumulated CPU time (s) 120.03
Current children cumulated vsize (Kb) 16996

[startup+130.08 s]
/proc/loadavg: 0.98 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1560896/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=17180 CPUtime=130.03
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4186 0 0 0 12974 29 0 0 25 0 1 0 254157187 17592320 3438 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 135140097 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4295 3438 107 232 0 4060 0
Current children cumulated CPU time (s) 130.03
Current children cumulated vsize (Kb) 17180

[startup+140.086 s]
/proc/loadavg: 0.98 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1560576/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=17340 CPUtime=140.04
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4263 0 0 0 13972 32 0 0 25 0 1 0 254157187 17756160 3515 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134559364 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4335 3515 107 232 0 4100 0
Current children cumulated CPU time (s) 140.04
Current children cumulated vsize (Kb) 17340

[startup+150.092 s]
/proc/loadavg: 0.99 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1560320/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=17476 CPUtime=150.04
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4343 0 0 0 14971 33 0 0 25 0 1 0 254157187 17895424 3595 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 135140097 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4369 3595 107 232 0 4134 0
Current children cumulated CPU time (s) 150.04
Current children cumulated vsize (Kb) 17476

[startup+160.099 s]
/proc/loadavg: 0.99 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1560000/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=17760 CPUtime=160.04
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4430 0 0 0 15969 35 0 0 25 0 1 0 254157187 18186240 3682 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 135140097 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4440 3682 107 232 0 4205 0
Current children cumulated CPU time (s) 160.04
Current children cumulated vsize (Kb) 17760

[startup+170.105 s]
/proc/loadavg: 0.99 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1559616/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=17916 CPUtime=170.04
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4526 0 0 0 16967 37 0 0 25 0 1 0 254157187 18345984 3778 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558802 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4479 3778 107 232 0 4244 0
Current children cumulated CPU time (s) 170.04
Current children cumulated vsize (Kb) 17916

[startup+180.111 s]
/proc/loadavg: 0.99 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1559232/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=18080 CPUtime=180.04
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4620 0 0 0 17965 39 0 0 25 0 1 0 254157187 18513920 3872 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 135140097 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4520 3872 107 232 0 4285 0
Current children cumulated CPU time (s) 180.04
Current children cumulated vsize (Kb) 18080

[startup+190.117 s]
/proc/loadavg: 0.99 0.97 0.98 2/64 8634
/proc/meminfo: memFree=1558528/2055920 swapFree=4182204/4192956
[pid=8634] ppid=8632 vsize=18224 CPUtime=190.05
/proc/8634/stat : 8634 (PBS4L) R 8632 8634 8588 0 -1 4194304 4788 0 0 0 18963 42 0 0 25 0 1 0 254157187 18661376 4040 18446744073709551615 134512640 135466232 4294956672 18446744073709551615 134558785 0 0 4096 0 0 0 0 17 1 0 0
/proc/8634/statm: 4556 4040 107 232 0 4321 0
Current children cumulated CPU time (s) 190.05
Current children cumulated vsize (Kb) 18224

Child status: 0
Real time (s): 191.34
CPU time (s): 191.28
CPU user time (s): 190.849
CPU system time (s): 0.430934
CPU usage (%): 99.9685
Max. virtual memory (cumulated for all children) (Kb): 18224
The end

Launcher Data (download as text)

Begin job on node66 on Fri Jun  9 20:28:11 UTC 2006


FILE ID= 50496-1149884891

PBS_JOBID= 384812

BENCH NAME= HOME/pub/bench/PB06/final/normalized-PB06/OPT-SMALLINT/submitted-PB06/manquiho/logic_synthesis/normalized-m100_100_50_50.r.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user11/PBS4L ROOT/tmp/node66/50496-1149884891/instance-50496-1149884891.opb 897497416
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node66/watcher-50496-1149884891 -o ROOT/results/node66/solver-50496-1149884891 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user11/PBS4L ROOT/tmp/node66/50496-1149884891/instance-50496-1149884891.opb 897497416

MD5SUM SOLVER= ab46593c31a6a47b9d9920387a00d332
MD5SUM BENCH=  92218ddb5567427e70962e6332b1ed9e

RANDOM SEED= 897497416


/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		: 3000.225
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		: 3000.225
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:       1574448 kB
Buffers:         41428 kB
Cached:         366728 kB
SwapCached:       2496 kB
Active:          40020 kB
Inactive:       376892 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1574448 kB
SwapTotal:     4192956 kB
SwapFree:      4182204 kB
Dirty:             172 kB
Writeback:           0 kB
Mapped:          15156 kB
Slab:            50552 kB
Committed_AS:   532748 kB
PageTables:       1400 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node66 on Fri Jun  9 20:31:22 UTC 2006