Trace number 458416

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 NameAnswerCPU timeWall clock time
PBS4_v2 2007-03-23UNSAT 28.5637 28.571

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/
uclid_pb_benchmarks/normalized-ooo.rf10.ucl.opb
MD5SUM631c705feb60dcd8a1b144825a73a754
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
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 benchmark12.5891
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables18069
Total number of constraints52475
Number of constraints which are clauses51555
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints920
Minimum length of a constraint1
Maximum length of a constraint11
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 39
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 132
Number of bits of the biggest sum of numbers8
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)

0.00/0.00	c PBS v4 by Bashar Al-Rawi & Fadi Aloul
0.00/0.00	c Solving /tmp/evaluation/458416-1178622449/instance-458416-1178622449.opb ......
28.49/28.56	c done parsing opb.
28.49/28.56	s UNSATISFIABLE
28.49/28.56	c Total Run Time					27.9667

Verifier Data (download as text)

ERROR: no interpretation found !

Conversion Script Data (download as text)

/tmp/evaluation/458416-1178622449/instance-458416-1178622449.opb is already a linear file

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node65/watcher-458416-1178622449 -o ROOT/results/node65/solver-458416-1178622449 -C 1800 -W 3600 -M 1800 --output-limit 1,15 PBS4_SAT07v2 /tmp/evaluation/458416-1178622449/instance-458416-1178622449.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): 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: 1.00 1.00 1.00 3/64 7632
/proc/meminfo: memFree=1769448/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=3020 CPUtime=0
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 486 0 0 0 0 0 0 0 18 0 1 0 338234573 3092480 468 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134570608 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 755 472 79 219 0 532 0

[startup+0.0482941 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 7632
/proc/meminfo: memFree=1769448/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=4112 CPUtime=0.04
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 833 0 0 0 4 0 0 0 18 0 1 0 338234573 4210688 815 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134588793 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 1028 815 86 219 0 805 0
Current children cumulated CPU time (s) 0.04
Current children cumulated vsize (KiB) 4112

[startup+0.101298 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 7632
/proc/meminfo: memFree=1769448/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=4696 CPUtime=0.09
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 964 0 0 0 9 0 0 0 18 0 1 0 338234573 4808704 897 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134594427 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 1174 897 86 219 0 951 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4696

[startup+0.301314 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 7632
/proc/meminfo: memFree=1769448/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=6172 CPUtime=0.29
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 1422 0 0 0 29 0 0 0 19 0 1 0 338234573 6320128 1258 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134798148 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 1543 1258 86 219 0 1320 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 6172

[startup+0.701348 s]
/proc/loadavg: 1.00 1.00 1.00 3/64 7632
/proc/meminfo: memFree=1769448/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=9572 CPUtime=0.7
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 2327 0 0 0 69 1 0 0 22 0 1 0 338234573 9801728 1934 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 2393 1934 90 219 0 2170 0
Current children cumulated CPU time (s) 0.7
Current children cumulated vsize (KiB) 9572

[startup+1.50141 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1761120/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=11340 CPUtime=1.49
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 2831 0 0 0 148 1 0 0 25 0 1 0 338234573 11612160 2438 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 2835 2438 90 219 0 2612 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 11340

[startup+3.10155 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1759200/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=14048 CPUtime=3.09
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 3256 0 0 0 307 2 0 0 25 0 1 0 338234573 14385152 2863 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134546023 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 3512 2863 90 219 0 3289 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 14048

[startup+6.30181 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1755424/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=18748 CPUtime=6.29
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 4155 0 0 0 625 4 0 0 25 0 1 0 338234573 19197952 3762 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544644 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 4687 3762 90 219 0 4464 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 18748

[startup+12.7013 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1753056/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=19408 CPUtime=12.69
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 4674 0 0 0 1263 6 0 0 25 0 1 0 338234573 19873792 4101 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544855 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 4852 4101 90 219 0 4629 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 19408

[startup+25.5014 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1743520/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=29832 CPUtime=25.48
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 7669 0 0 0 2537 11 0 0 25 0 1 0 338234573 30547968 6459 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 7458 6459 90 219 0 7235 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 29832

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

[startup+27.1015 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1743520/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=29832 CPUtime=27.09
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 7691 0 0 0 2697 12 0 0 25 0 1 0 338234573 30547968 6481 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 7458 6481 90 219 0 7235 0
Current children cumulated CPU time (s) 27.09
Current children cumulated vsize (KiB) 29832

[startup+27.9016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1743520/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=29832 CPUtime=27.89
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 7695 0 0 0 2777 12 0 0 25 0 1 0 338234573 30547968 6485 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 135059409 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 7458 6485 90 219 0 7235 0
Current children cumulated CPU time (s) 27.89
Current children cumulated vsize (KiB) 29832

[startup+28.3016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1743520/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=29832 CPUtime=28.29
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 7699 0 0 0 2817 12 0 0 25 0 1 0 338234573 30547968 6489 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544667 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 7458 6489 90 219 0 7235 0
Current children cumulated CPU time (s) 28.29
Current children cumulated vsize (KiB) 29832

[startup+28.5016 s]
/proc/loadavg: 1.00 1.00 1.00 2/65 7633
/proc/meminfo: memFree=1743520/2055920 swapFree=4184160/4192956
[pid=7632] ppid=7630 vsize=29832 CPUtime=28.49
/proc/7632/stat : 7632 (PBS4_SAT07v2) R 7630 7632 6524 0 -1 4194304 7701 0 0 0 2837 12 0 0 25 0 1 0 338234573 30547968 6491 18446744073709551615 134512640 135410602 4294956672 18446744073709551615 134544667 0 0 4096 16384 0 0 0 17 1 0 0
/proc/7632/statm: 7458 6491 90 219 0 7235 0
Current children cumulated CPU time (s) 28.49
Current children cumulated vsize (KiB) 29832

Child status: 0
Real time (s): 28.571
CPU time (s): 28.5637
CPU user time (s): 28.4337
CPU system time (s): 0.12998
CPU usage (%): 99.9744
Max. virtual memory (cumulated for all children) (KiB): 29832

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 28.4337
system time used= 0.12998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 7730
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= 26

runsolver used 0.021996 second user time and 0.06499 second system time

The end

Launcher Data (download as text)

Begin job on node65 on Tue May  8 11:07:29 UTC 2007

IDJOB= 458416
IDBENCH= 1493
IDSOLVER= 200
FILE ID= node65/458416-1178622449

PBS_JOBID= 5218258

Free space on /tmp= 66561 MiB

SOLVER NAME= PBS4_v2 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-ooo.rf10.ucl.opb
COMMAND LINE= PBS4_SAT07v2 /tmp/evaluation/458416-1178622449/instance-458416-1178622449.opb
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node65/convwatcher-458416-1178622449 -o ROOT/results/node65/conversion-458416-1178622449 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/458416-1178622449/instance-458416-1178622449.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node65/watcher-458416-1178622449 -o ROOT/results/node65/solver-458416-1178622449 -C 1800 -W 3600 -M 1800 --output-limit 1,15  PBS4_SAT07v2 /tmp/evaluation/458416-1178622449/instance-458416-1178622449.opb

META MD5SUM SOLVER= 18cd8c68a4d3bfb01f29079966475a33
MD5SUM BENCH=  631c705feb60dcd8a1b144825a73a754

RANDOM SEED= 411809477

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node65.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		: 3000.245
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		: 3000.245
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:       1769920 kB
Buffers:         19608 kB
Cached:         181284 kB
SwapCached:       2768 kB
Active:          75692 kB
Inactive:       135512 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1769920 kB
SwapTotal:     4192956 kB
SwapFree:      4184160 kB
Dirty:            3824 kB
Writeback:           0 kB
Mapped:          16432 kB
Slab:            60844 kB
Committed_AS:  7397096 kB
PageTables:       1456 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= 66561 MiB

End job on node65 on Tue May  8 11:07:58 UTC 2007