Trace number 39952

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
bsolo 2006/05UNSAT 111.426 111.485

General information on the benchmark

Namenormalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/
ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-bnl1.opb
MD5SUM86d589e9c21b90dfd700c7c422b09b8c
Bench CategoryOPT-SMALLINT (optimisation, small integers)
Best result obtained on this benchmarkUNSAT
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark2.75058
Has Objective FunctionYES
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables35250
Total number of constraints624
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 constraints624
Minimum length of a constraint30
Maximum length of a constraint2280
Number of terms in the objective function 29490
Biggest coefficient in the objective function 6378
Number of bits for the biggest coefficient in the objective function 13
Sum of the numbers in the objective function 548620
Number of bits of the sum of numbers in the objective function 20
Biggest number in a constraint 262145
Number of bits of the biggest number in a constraint 19
Biggest sum of numbers in a constraint 548620
Number of bits of the biggest sum of numbers20
Number of products (including duplicates)0
Sum of products size (including duplicates)0
Number of different products0
Sum of products size0

Solver Data (download as text)

0.01	c Time Limit set via PBTIMEOUT to 1800
0.02	c INFO: OSL Context initialized.
1.66	c Initial problem consists of 35250 variables and 855 constraints.
1.78	c No problem reductions applied in OPT. instance.
1.78	c	preprocess terminated. Elapsed time: 1.766
1.78	c After prepocess the problem consists of 19110 variables and 828 constraints.
1.78	c Initial Lower Bound: -877
2.10	c Restart #1 #Var: 19110 LB: -877 @ 2.087
6.61	c Restart #2 #Var: 19110 LB: -877 @ 6.593
16.74	c Restart #3 #Var: 19110 LB: -877 @ 16.709
30.22	c Restart #4 #Var: 19110 LB: -877 @ 30.194
46.94	c Restart #5 #Var: 19110 LB: -877 @ 46.91
66.69	c Restart #6 #Var: 19110 LB: -877 @ 66.646
89.25	c Restart #7 #Var: 19110 LB: -877 @ 89.202
110.95	c Restart #8 #Var: 18924 LB: -839 @ 110.9
111.47	s UNSATISFIABLE
111.47	c Exit Code: 20
111.47	c Total time: 111.42 s

Verifier Data (download as text)

ERROR: no interpretation found !

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
Enforcing memory limit (will send SIGKILL): 1843200 Kb
Enforcing VSIZE limit: 1887436800 bytes
runsolver version 3.0.0 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node33/watcher-39952-1149339319 -o ROOT/results/node33/solver-39952-1149339319 -C 1800 -M 1800 -S 64 ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node33/39952-1149339319/instance-39952-1149339319.opb 

Current StackSize limit: 67108864 bytes

/proc/loadavg: 0.85 0.95 0.95 2/64 21957
/proc/meminfo: memFree=1777432/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=436 CPUtime=0
/proc/21957/stat : 21957 (bsolo) D 21955 21957 21911 0 -1 0 38 0 0 0 0 0 0 0 18 0 1 0 199595769 446464 23 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 10945316 0 2147483391 4096 0 18446744072099781622 0 0 17 1 0 0
/proc/21957/statm: 725 24 18 55 0 19 0

[startup+10.0021 s]
/proc/loadavg: 0.87 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1730856/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52708 CPUtime=9.97
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53696 0 0 0 940 57 0 0 25 0 1 0 199595769 53972992 11900 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13177 11900 296 55 0 12069 0
Current children cumulated CPU time (s) 9.97
Current children cumulated vsize (Kb) 52708

[startup+20.0084 s]
/proc/loadavg: 0.89 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1730984/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52708 CPUtime=19.97
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53714 0 0 0 1889 108 0 0 25 0 1 0 199595769 53972992 11918 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13177 11918 297 55 0 12069 0
Current children cumulated CPU time (s) 19.97
Current children cumulated vsize (Kb) 52708

[startup+30.0147 s]
/proc/loadavg: 0.91 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1730984/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52832 CPUtime=29.97
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53724 0 0 0 2840 157 0 0 25 0 1 0 199595769 54099968 11928 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13208 11928 297 55 0 12100 0
Current children cumulated CPU time (s) 29.97
Current children cumulated vsize (Kb) 52832

[startup+40.021 s]
/proc/loadavg: 0.92 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1730984/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52784 CPUtime=39.98
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53724 0 0 0 3792 206 0 0 25 0 1 0 199595769 54050816 11928 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13196 11928 297 55 0 12088 0
Current children cumulated CPU time (s) 39.98
Current children cumulated vsize (Kb) 52784

[startup+50.0273 s]
/proc/loadavg: 0.93 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1731048/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52784 CPUtime=49.99
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53733 0 0 0 4742 257 0 0 25 0 1 0 199595769 54050816 11937 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134540560 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13196 11937 297 55 0 12088 0
Current children cumulated CPU time (s) 49.99
Current children cumulated vsize (Kb) 52784

[startup+60.0335 s]
/proc/loadavg: 0.94 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1730984/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52784 CPUtime=59.99
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53733 0 0 0 5692 307 0 0 25 0 1 0 199595769 54050816 11937 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134535099 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13196 11937 297 55 0 12088 0
Current children cumulated CPU time (s) 59.99
Current children cumulated vsize (Kb) 52784

[startup+70.0398 s]
/proc/loadavg: 0.95 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1730984/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52784 CPUtime=70.04
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53734 0 0 0 6646 358 0 0 25 0 1 0 199595769 54050816 11938 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 134541479 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13196 11938 297 55 0 12088 0
Current children cumulated CPU time (s) 70.04
Current children cumulated vsize (Kb) 52784

[startup+80.0971 s]
/proc/loadavg: 0.96 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1730984/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52784 CPUtime=80.05
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53734 0 0 0 7597 408 0 0 25 0 1 0 199595769 54050816 11938 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13196 11938 297 55 0 12088 0
Current children cumulated CPU time (s) 80.05
Current children cumulated vsize (Kb) 52784

[startup+90.1034 s]
/proc/loadavg: 0.96 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1731048/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52784 CPUtime=90.05
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53734 0 0 0 8549 456 0 0 25 0 1 0 199595769 54050816 11938 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13196 11938 297 55 0 12088 0
Current children cumulated CPU time (s) 90.05
Current children cumulated vsize (Kb) 52784

[startup+100.11 s]
/proc/loadavg: 0.97 0.96 0.95 2/64 21957
/proc/meminfo: memFree=1731048/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=52784 CPUtime=100.04
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53734 0 0 0 9497 507 0 0 25 0 1 0 199595769 54050816 11938 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13196 11938 297 55 0 12088 0
Current children cumulated CPU time (s) 100.04
Current children cumulated vsize (Kb) 52784

[startup+110.116 s]
/proc/loadavg: 0.97 0.97 0.95 2/64 21957
/proc/meminfo: memFree=1730792/2055920 swapFree=4181356/4192956
[pid=21957] ppid=21955 vsize=53036 CPUtime=110.05
/proc/21957/stat : 21957 (bsolo) R 21955 21957 21911 0 -1 0 53796 0 0 0 10449 556 0 0 25 0 1 0 199595769 54308864 12000 18446744073709551615 134512640 134738892 4294956688 18446744073709551615 4294960144 0 0 4096 16384 0 0 0 17 1 0 0
/proc/21957/statm: 13259 12000 297 55 0 12151 0
Current children cumulated CPU time (s) 110.05
Current children cumulated vsize (Kb) 53036

Child status: 20
Real time (s): 111.485
CPU time (s): 111.426
CPU user time (s): 105.78
CPU system time (s): 5.64614
CPU usage (%): 99.9471
Max. virtual memory (cumulated for all children) (Kb): 53036

Launcher Data (download as text)

Begin job on node33 on Sat Jun  3 12:55:20 UTC 2006


FILE ID= 39952-1149339319

PBS_JOBID= 310326

BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/OPT-SMALLINT/reduced/mps-v2-20-10/ftp.netlib.org/lp/data/normalized-reduced-mps-v2-20-10-bnl1.opb
COMMAND LINE= ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node33/39952-1149339319/instance-39952-1149339319.opb
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node33/watcher-39952-1149339319 -o ROOT/results/node33/solver-39952-1149339319 -C 1800 -M 1800 -S 64  ROOT/solvers/PB/PB06final/user10/bsolo ROOT/tmp/node33/39952-1149339319/instance-39952-1149339319.opb

MD5SUM SOLVER= 05cada221eb1efaaae980ebc7509e7e8
MD5SUM BENCH=  86d589e9c21b90dfd700c7c422b09b8c

RANDOM SEED= 482010867


/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		: 3000.213
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		: 3000.213
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:       1777640 kB
Buffers:         17880 kB
Cached:         195412 kB
SwapCached:       3288 kB
Active:          61148 kB
Inactive:       160868 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1777640 kB
SwapTotal:     4192956 kB
SwapFree:      4181356 kB
Dirty:             268 kB
Writeback:           0 kB
Mapped:          14912 kB
Slab:            42360 kB
Committed_AS:   348728 kB
PageTables:       1424 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB


End job on node33 on Sat Jun  3 12:57:11 UTC 2006