Trace number 453275

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
oree 0.1.2 alphaOPT3 12.2181 12.2239

General information on the benchmark

Namenormalized-PB07/OPT-SMALLINT-NLC/submittedPB07/
manquinho/mds/normalized-mds_50_25_1.opb
MD5SUM3c8b2b83a32c4c8e761f030b6789f3c6
Bench CategoryOPT-SMALLINT-NLC (optimisation, small integers, non linear constraints)
Best result obtained on this benchmarkOPT
Best value of the objective obtained on this benchmark3
Best CPU time to get the best result obtained on this benchmark0.38694
Has Objective FunctionYES
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function 3
Optimality of the best value was proved YES
Number of variables50
Total number of constraints50
Number of constraints which are clauses0
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints50
Minimum length of a constraint26
Maximum length of a constraint38
Number of terms in the objective function 50
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 50
Number of bits of the sum of numbers in the objective function 6
Biggest number in a constraint 1
Number of bits of the biggest number in a constraint 1
Biggest sum of numbers in a constraint 50
Number of bits of the biggest sum of numbers6
Number of products (including duplicates)1498
Sum of products size (including duplicates)2996
Number of different products1498
Sum of products size2996

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)

0.00/0.00	c This is oree version 0.1.2 alpha
0.00/0.00	c (c) roussel@cril.univ-artois.fr
0.00/0.00	c using __gmp_expr<__gmpz_value, __gmpz_value>
0.00/0.00	c parsing...
0.00/0.02	c ...done
0.00/0.02	c #vars=1548 #constraints=3047 hasObjective=yes
0.02/0.03	c res. mode=mod
0.02/0.03	c VSIDS like heuristics
0.02/0.03	c complete search running
0.02/0.04	c nbDecision=46 #constraints=3047
0.02/0.04	c linear search for optimum
0.02/0.04	o 4
0.19/0.25	c nbDecision=241 #constraints=3229
0.19/0.25	o 3
0.79/0.83	c restart after 401 decisions
1.19/1.23	c nbDecision=500 #constraints=3460
3.79/3.89	c restart after 801 decisions
6.99/7.03	c nbDecision=1000 #constraints=3921
12.18/12.21	c nbDecision=1182 #constraints=4124
12.18/12.21	
12.18/12.21	s OPTIMUM FOUND
12.18/12.21	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
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12.18/12.21	
12.18/12.21	c user time= 12.2061 s
12.18/12.21	c system time= 0.008998 s
12.18/12.21	c wall clock time=12.2184

Verifier Data (download as text)

OK	3

Conversion Script Data (download as text)

sed -e s/sizeproduct=/#sizeproduct=/ /tmp/evaluation/453275-1178126899/instance-453275-1178126899.opb
mv /tmp/evaluation/453275-1178126899/instance-453275-1178126899.opb.tmp /tmp/evaluation/453275-1178126899/instance-453275-1178126899.opb

Watcher Data (download as text)

runsolver version 3.2.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node3/watcher-453275-1178126899 -o ROOT/results/node3/solver-453275-1178126899 -C 1800 -W 3600 -M 1800 --output-limit 1,15 oree /tmp/evaluation/453275-1178126899/instance-453275-1178126899.opb mod 

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): 3600 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: 0.79 0.94 0.98 3/77 14991
/proc/meminfo: memFree=1837920/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=1468 CPUtime=0
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 180 0 0 0 0 0 0 0 18 0 1 0 288727679 1503232 163 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 135274709 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 367 163 130 317 0 46 0

[startup+0.030661 s]
/proc/loadavg: 0.79 0.94 0.98 3/77 14991
/proc/meminfo: memFree=1837920/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=2536 CPUtime=0.02
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 441 0 0 0 2 0 0 0 18 0 1 0 288727679 2596864 424 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 135274709 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 634 424 137 317 0 313 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 2536

[startup+0.101674 s]
/proc/loadavg: 0.79 0.94 0.98 3/77 14991
/proc/meminfo: memFree=1837920/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=2968 CPUtime=0.09
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 582 0 0 0 9 0 0 0 18 0 1 0 288727679 3039232 565 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 135278901 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 742 565 170 317 0 421 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2968

[startup+0.301706 s]
/proc/loadavg: 0.79 0.94 0.98 3/77 14991
/proc/meminfo: memFree=1837920/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=4024 CPUtime=0.29
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 837 0 0 0 29 0 0 0 19 0 1 0 288727679 4120576 820 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134746929 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 1006 820 170 317 0 685 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4024

[startup+0.70177 s]
/proc/loadavg: 0.79 0.94 0.98 3/77 14991
/proc/meminfo: memFree=1837920/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=5088 CPUtime=0.69
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 1086 0 0 0 69 0 0 0 22 0 1 0 288727679 5210112 1069 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134604470 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 1272 1069 170 317 0 951 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 5088

[startup+1.5019 s]
/proc/loadavg: 0.79 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1833688/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=6136 CPUtime=1.49
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 1339 0 0 0 149 0 0 0 25 0 1 0 288727679 6283264 1322 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134716150 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 1534 1322 170 317 0 1213 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6136

[startup+3.10116 s]
/proc/loadavg: 0.79 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1832600/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=7188 CPUtime=3.09
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 1629 0 0 0 309 0 0 0 25 0 1 0 288727679 7360512 1612 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134715621 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 1797 1612 170 317 0 1476 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7188

[startup+6.30168 s]
/proc/loadavg: 0.80 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1830872/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=8500 CPUtime=6.29
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 1951 0 0 0 629 0 0 0 25 0 1 0 288727679 8704000 1934 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134562663 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 2125 1934 170 317 0 1804 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 8500

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

[startup+9.5012 s]
/proc/loadavg: 0.82 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1830040/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=9288 CPUtime=9.48
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 2140 0 0 0 948 0 0 0 25 0 1 0 288727679 9510912 2123 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134718434 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 2322 2123 170 317 0 2001 0
Current children cumulated CPU time (s) 9.48
Current children cumulated vsize (KiB) 9288

[startup+11.1015 s]
/proc/loadavg: 0.82 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1829592/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=9680 CPUtime=11.08
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 2234 0 0 0 1108 0 0 0 25 0 1 0 288727679 9912320 2217 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134718324 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 2420 2217 170 317 0 2099 0
Current children cumulated CPU time (s) 11.08
Current children cumulated vsize (KiB) 9680

[startup+11.9016 s]
/proc/loadavg: 0.82 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1829592/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=9812 CPUtime=11.88
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 2261 0 0 0 1188 0 0 0 25 0 1 0 288727679 10047488 2244 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134715604 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 2453 2244 170 317 0 2132 0
Current children cumulated CPU time (s) 11.88
Current children cumulated vsize (KiB) 9812

[startup+12.1056 s]
/proc/loadavg: 0.82 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1829400/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=9812 CPUtime=12.09
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 2263 0 0 0 1209 0 0 0 25 0 1 0 288727679 10047488 2246 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134715621 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 2453 2246 170 317 0 2132 0
Current children cumulated CPU time (s) 12.09
Current children cumulated vsize (KiB) 9812

[startup+12.2016 s]
/proc/loadavg: 0.82 0.94 0.98 2/78 14992
/proc/meminfo: memFree=1829400/2055920 swapFree=4139076/4192956
[pid=14991] ppid=14989 vsize=9812 CPUtime=12.18
/proc/14991/stat : 14991 (oree) R 14989 14991 14276 0 -1 4194304 2263 0 0 0 1218 0 0 0 25 0 1 0 288727679 10047488 2246 18446744073709551615 134512640 135812674 4294956624 18446744073709551615 134716129 0 0 4096 17474 0 0 0 17 1 0 0
/proc/14991/statm: 2453 2246 170 317 0 2132 0
Current children cumulated CPU time (s) 12.18
Current children cumulated vsize (KiB) 9812

Child status: 0
Real time (s): 12.2239
CPU time (s): 12.2181
CPU user time (s): 12.2071
CPU system time (s): 0.010998
CPU usage (%): 99.9532
Max. virtual memory (cumulated for all children) (KiB): 9812

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 12.2071
system time used= 0.010998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2279
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= 23

runsolver used 0.011998 second user time and 0.035994 second system time

The end

Launcher Data (download as text)

Begin job on node3 on Wed May  2 17:28:19 UTC 2007

IDJOB= 453275
IDBENCH= 48119
IDSOLVER= 172
FILE ID= node3/453275-1178126899

PBS_JOBID= 4751047

Free space on /tmp= 66563 MiB

SOLVER NAME= oree 0.1.2 alpha
BENCH NAME= HOME/pub/bench/PB07/normalized-PB07/OPT-SMALLINT-NLC/submittedPB07/manquinho/mds/normalized-mds_50_25_1.opb
COMMAND LINE= oree /tmp/evaluation/453275-1178126899/instance-453275-1178126899.opb mod           
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node3/convwatcher-453275-1178126899 -o ROOT/results/node3/conversion-453275-1178126899 -C 600 -M 1800 /tmp/evaluation/453275-1178126899/substituteSizeProductKeyword /tmp/evaluation/453275-1178126899/instance-453275-1178126899.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node3/watcher-453275-1178126899 -o ROOT/results/node3/solver-453275-1178126899 -C 1800 -W 3600 -M 1800 --output-limit 1,15  oree /tmp/evaluation/453275-1178126899/instance-453275-1178126899.opb mod           

META MD5SUM SOLVER= 51f0e1a06bbb15374571c5c5129b7f5e
MD5SUM BENCH=  3c8b2b83a32c4c8e761f030b6789f3c6

RANDOM SEED= 950108752

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node3.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		: 3000.270
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		: 3000.270
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:       1838328 kB
Buffers:         56844 kB
Cached:          75680 kB
SwapCached:      17076 kB
Active:          46416 kB
Inactive:       109864 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1838328 kB
SwapTotal:     4192956 kB
SwapFree:      4139076 kB
Dirty:            1568 kB
Writeback:           0 kB
Mapped:          30008 kB
Slab:            46824 kB
Committed_AS: 11164004 kB
PageTables:       1784 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= 66563 MiB

End job on node3 on Wed May  2 17:28:32 UTC 2007