Trace number 358951

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 2007-03-23SAT 24.2053 24.2147

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111227418.opb
MD5SUM1d0806e8d2a90a81262a0ea6810fc3cb
Bench CategorySATUNSAT-SMALLINT-LIN (no optimisation, small integers, linear constraints)
Best result obtained on this benchmarkSAT
Best value of the objective obtained on this benchmark0
Best CPU time to get the best result obtained on this benchmark0.352945
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables169
Total number of constraints101
Number of constraints which are clauses30
Number of constraints which are cardinality constraints (but not clauses)70
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint169
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 38
Number of bits of the biggest number in a constraint 6
Biggest sum of numbers in a constraint 1171
Number of bits of the biggest sum of numbers11
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/358951-1176918609/instance-358951-1176918609.opb ......
24.18/24.21	c done parsing opb.
24.18/24.21	s SATISFIABLE
24.18/24.21	c Total Run Time					24.1983
24.18/24.21	v -x1 -x10 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x11 -x110 -x111 -x112 -x113 -x114 x115 -x116 -x117 -x118
24.18/24.21	v -x119 -x12 -x120 -x121 -x122 -x123 -x124 x125 -x126 -x127 -x128 -x129 -x13 -x130 -x131 -x132 -x133 -x134 x135 -x136 -x137
24.18/24.21	v -x138 -x139 -x14 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 -x149 -x15 -x150 -x151 x152 -x153 -x154 -x155 -x156
24.18/24.21	v -x157 -x158 -x159 -x16 x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 -x168 -x169 -x17 -x18 -x19 x2 -x20 -x21 -x22 -x23 -x24
24.18/24.21	v x25 -x26 -x27 -x28 x29 -x3 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x4 -x40 -x41 -x42 -x43 -x44 -x45 x46 -x47 -x48 -x49
24.18/24.21	v -x5 -x50 -x51 -x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x6 -x60 -x61 x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x7 -x70 -x71 -x72 -x73
24.18/24.21	v -x74 -x75 -x76 -x77 x78 -x79 -x8 -x80 -x81 -x82 -x83 x84 -x85 -x86 -x87 -x88 -x89 -x9 -x90 -x91 x92 -x93 -x94 -x95 -x96 -x97 -x98
24.18/24.21	v -x99

Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/358951-1176918609/instance-358951-1176918609.opb is already a linear file

Watcher Data (download as text)

runsolver version 3.2.2 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node71/watcher-358951-1176918609 -o ROOT/results/node71/solver-358951-1176918609 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/358951-1176918609/PBS4 /tmp/evaluation/358951-1176918609/instance-358951-1176918609.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: 0.60 0.88 0.95 3/64 25320
/proc/meminfo: memFree=1245456/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=1320 CPUtime=0
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 143 0 0 0 0 0 0 0 18 0 1 0 167850272 1351680 125 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 330 125 92 219 0 107 0

[startup+0.039684 s]
/proc/loadavg: 0.60 0.88 0.95 3/64 25320
/proc/meminfo: memFree=1245456/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=1320 CPUtime=0.03
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 164 0 0 0 3 0 0 0 18 0 1 0 167850272 1351680 146 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 330 146 92 219 0 107 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 1320

[startup+0.101687 s]
/proc/loadavg: 0.60 0.88 0.95 3/64 25320
/proc/meminfo: memFree=1245456/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=1456 CPUtime=0.09
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 204 0 0 0 9 0 0 0 18 0 1 0 167850272 1490944 186 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 364 186 92 219 0 141 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1456

[startup+0.301714 s]
/proc/loadavg: 0.60 0.88 0.95 3/64 25320
/proc/meminfo: memFree=1245456/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=1868 CPUtime=0.29
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 315 0 0 0 29 0 0 0 19 0 1 0 167850272 1912832 297 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 467 297 93 219 0 244 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1868

[startup+0.701769 s]
/proc/loadavg: 0.60 0.88 0.95 3/64 25320
/proc/meminfo: memFree=1245456/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=3600 CPUtime=0.69
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 536 0 0 0 68 1 0 0 22 0 1 0 167850272 3686400 518 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 900 518 93 219 0 677 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3600

[startup+1.50188 s]
/proc/loadavg: 0.63 0.88 0.95 2/65 25321
/proc/meminfo: memFree=1243336/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=6104 CPUtime=1.49
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 928 0 0 0 148 1 0 0 25 0 1 0 167850272 6250496 861 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 1526 861 94 219 0 1303 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6104

[startup+3.1011 s]
/proc/loadavg: 0.63 0.88 0.95 2/65 25321
/proc/meminfo: memFree=1241480/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=6892 CPUtime=3.09
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 1523 0 0 0 307 2 0 0 25 0 1 0 167850272 7057408 1359 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 1723 1359 94 219 0 1500 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6892

[startup+6.30153 s]
/proc/loadavg: 0.63 0.88 0.95 2/65 25321
/proc/meminfo: memFree=1238280/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=11412 CPUtime=6.29
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 2161 0 0 0 625 4 0 0 25 0 1 0 167850272 11685888 1997 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 2853 1997 94 219 0 2630 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11412

[startup+12.7014 s]
/proc/loadavg: 0.69 0.88 0.95 2/65 25321
/proc/meminfo: memFree=1235592/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=13176 CPUtime=12.69
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 2971 0 0 0 1263 6 0 0 25 0 1 0 167850272 13492224 2614 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 3294 2614 94 219 0 3071 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 13176

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

[startup+19.1023 s]
/proc/loadavg: 0.71 0.88 0.95 2/65 25321
/proc/meminfo: memFree=1232712/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=21952 CPUtime=19.09
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 3585 0 0 0 1901 8 0 0 25 0 1 0 167850272 22478848 3228 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 5488 3228 94 219 0 5265 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 21952

[startup+22.3017 s]
/proc/loadavg: 0.74 0.89 0.95 2/65 25321
/proc/meminfo: memFree=1231624/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=24088 CPUtime=22.28
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 4249 0 0 0 2219 9 0 0 25 0 1 0 167850272 24666112 3507 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 6022 3507 94 219 0 5799 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 24088

[startup+23.1058 s]
/proc/loadavg: 0.74 0.89 0.95 2/65 25321
/proc/meminfo: memFree=1231432/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=24260 CPUtime=23.08
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 4284 0 0 0 2299 9 0 0 25 0 1 0 167850272 24842240 3542 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 134547154 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 6065 3542 94 219 0 5842 0
Current children cumulated CPU time (s) 23.08
Current children cumulated vsize (KiB) 24260

[startup+23.9019 s]
/proc/loadavg: 0.74 0.89 0.95 2/65 25321
/proc/meminfo: memFree=1231432/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=24260 CPUtime=23.88
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 4301 0 0 0 2379 9 0 0 25 0 1 0 167850272 24842240 3559 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 6065 3559 94 219 0 5842 0
Current children cumulated CPU time (s) 23.88
Current children cumulated vsize (KiB) 24260

[startup+24.102 s]
/proc/loadavg: 0.74 0.89 0.95 2/65 25321
/proc/meminfo: memFree=1231304/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=24260 CPUtime=24.08
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 4304 0 0 0 2399 9 0 0 25 0 1 0 167850272 24842240 3562 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 6065 3562 94 219 0 5842 0
Current children cumulated CPU time (s) 24.08
Current children cumulated vsize (KiB) 24260

[startup+24.206 s]
/proc/loadavg: 0.74 0.89 0.95 2/65 25321
/proc/meminfo: memFree=1231304/2055920 swapFree=4184232/4192956
[pid=25320] ppid=25318 vsize=24448 CPUtime=24.18
/proc/25320/stat : 25320 (PBS4) R 25318 25320 25258 0 -1 4194304 4323 0 0 0 2409 9 0 0 25 0 1 0 167850272 25034752 3581 18446744073709551615 134512640 135410514 4294956672 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/25320/statm: 6112 3581 94 219 0 5889 0
Current children cumulated CPU time (s) 24.18
Current children cumulated vsize (KiB) 24448

Child status: 0
Real time (s): 24.2147
CPU time (s): 24.2053
CPU user time (s): 24.1023
CPU system time (s): 0.102984
CPU usage (%): 99.9613
Max. virtual memory (cumulated for all children) (KiB): 24448

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 24.1023
system time used= 0.102984
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 4339
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= 33

runsolver used 0.023996 second user time and 0.052991 second system time

The end

Launcher Data (download as text)

Begin job on node71 on Wed Apr 18 17:50:09 UTC 2007

IDJOB= 358951
IDBENCH= 1251
IDSOLVER= 157
FILE ID= node71/358951-1176918609

PBS_JOBID= 4605657

Free space on /tmp= 66446 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111227418.opb
COMMAND LINE= /tmp/evaluation/358951-1176918609/PBS4 /tmp/evaluation/358951-1176918609/instance-358951-1176918609.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node71/convwatcher-358951-1176918609 -o ROOT/results/node71/conversion-358951-1176918609 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/358951-1176918609/instance-358951-1176918609.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node71/watcher-358951-1176918609 -o ROOT/results/node71/solver-358951-1176918609 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/358951-1176918609/PBS4 /tmp/evaluation/358951-1176918609/instance-358951-1176918609.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  1d0806e8d2a90a81262a0ea6810fc3cb

RANDOM SEED= 359097271

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node71.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		: 3000.234
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		: 3000.234
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:       1245992 kB
Buffers:         27016 kB
Cached:         703880 kB
SwapCached:       2620 kB
Active:         154128 kB
Inactive:       586024 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1245992 kB
SwapTotal:     4192956 kB
SwapFree:      4184232 kB
Dirty:            1436 kB
Writeback:           0 kB
Mapped:          15484 kB
Slab:            55856 kB
Committed_AS:  2533732 kB
PageTables:       1448 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= 66446 MiB

End job on node71 on Wed Apr 18 17:50:34 UTC 2007