Trace number 359091

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 23.8374 23.846

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1111226284.opb
MD5SUMb0b62e5c28712e6ca2742fcfc1914d40
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 benchmark0.010997
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 1216
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/359091-1176920914/instance-359091-1176920914.opb ......
23.78/23.84	c done parsing opb.
23.78/23.84	s SATISFIABLE
23.78/23.84	c Total Run Time					23.8304
23.78/23.84	v -x1 -x10 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 x109 x11 -x110 -x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118
23.78/23.84	v -x119 -x12 -x120 -x121 -x122 -x123 x124 -x125 -x126 -x127 -x128 -x129 -x13 -x130 -x131 -x132 -x133 -x134 -x135 -x136 -x137
23.78/23.84	v -x138 x139 -x14 -x140 -x141 -x142 -x143 -x144 -x145 x146 -x147 -x148 -x149 x15 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157
23.78/23.84	v -x158 -x159 -x16 -x160 -x161 -x162 -x163 x164 -x165 -x166 -x167 -x168 -x169 -x17 -x18 -x19 -x2 -x20 -x21 -x22 -x23 -x24 -x25
23.78/23.84	v -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 -x5
23.78/23.84	v -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
23.78/23.84	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
23.78/23.84	v -x99

Verifier Data (download as text)

OK	0

Conversion Script Data (download as text)

/tmp/evaluation/359091-1176920914/instance-359091-1176920914.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/node22/watcher-359091-1176920914 -o ROOT/results/node22/solver-359091-1176920914 -C 1800 -W 3600 -M 1800 --output-limit 1,15 /tmp/evaluation/359091-1176920914/PBS4 /tmp/evaluation/359091-1176920914/instance-359091-1176920914.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: 0.92 0.98 0.99 2/77 31945
/proc/meminfo: memFree=1287736/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=1320 CPUtime=0
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 143 0 0 0 0 0 0 0 18 0 1 0 140009095 1351680 125 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 330 125 92 219 0 107 0

[startup+0.0766429 s]
/proc/loadavg: 0.92 0.98 0.99 2/77 31945
/proc/meminfo: memFree=1287736/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=1452 CPUtime=0.07
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 180 0 0 0 7 0 0 0 18 0 1 0 140009095 1486848 162 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 363 162 92 219 0 140 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 1452

[startup+0.101646 s]
/proc/loadavg: 0.92 0.98 0.99 2/77 31945
/proc/meminfo: memFree=1287736/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=1452 CPUtime=0.09
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 191 0 0 0 9 0 0 0 18 0 1 0 140009095 1486848 173 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 363 173 92 219 0 140 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 1452

[startup+0.301676 s]
/proc/loadavg: 0.92 0.98 0.99 2/77 31945
/proc/meminfo: memFree=1287736/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=1872 CPUtime=0.29
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 309 0 0 0 29 0 0 0 20 0 1 0 140009095 1916928 291 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 468 291 93 219 0 245 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 1872

[startup+0.701737 s]
/proc/loadavg: 0.92 0.98 0.99 2/77 31945
/proc/meminfo: memFree=1287736/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=3604 CPUtime=0.69
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 497 0 0 0 68 1 0 0 24 0 1 0 140009095 3690496 479 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 901 479 93 219 0 678 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 3604

[startup+1.50186 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1285616/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=3928 CPUtime=1.49
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 860 0 0 0 148 1 0 0 25 0 1 0 140009095 4022272 793 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 982 793 94 219 0 759 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 3928

[startup+3.1011 s]
/proc/loadavg: 0.92 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1283888/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=6892 CPUtime=3.09
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 1405 0 0 0 307 2 0 0 25 0 1 0 140009095 7057408 1241 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 1723 1241 94 219 0 1500 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6892

[startup+6.3016 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1281392/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=11536 CPUtime=6.29
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 2008 0 0 0 625 4 0 0 25 0 1 0 140009095 11812864 1844 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 2884 1844 94 219 0 2661 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11536

[startup+12.7016 s]
/proc/loadavg: 0.93 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1278064/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=13304 CPUtime=12.69
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 2918 0 0 0 1262 7 0 0 25 0 1 0 140009095 13623296 2561 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 3326 2561 94 219 0 3103 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 13304

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

[startup+19.1015 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1276528/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=15508 CPUtime=19.08
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 3587 0 0 0 1900 8 0 0 25 0 1 0 140009095 15880192 2845 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 3877 2845 94 219 0 3654 0
Current children cumulated CPU time (s) 19.08
Current children cumulated vsize (KiB) 15508

[startup+22.302 s]
/proc/loadavg: 0.94 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1276080/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=15832 CPUtime=22.28
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 3695 0 0 0 2219 9 0 0 25 0 1 0 140009095 16211968 2953 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 3958 2953 94 219 0 3735 0
Current children cumulated CPU time (s) 22.28
Current children cumulated vsize (KiB) 15832

[startup+23.1051 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1275952/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=15832 CPUtime=23.09
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 3722 0 0 0 2299 10 0 0 25 0 1 0 140009095 16211968 2980 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 3958 2980 94 219 0 3735 0
Current children cumulated CPU time (s) 23.09
Current children cumulated vsize (KiB) 15832

[startup+23.5012 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1275952/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=15832 CPUtime=23.49
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 3730 0 0 0 2339 10 0 0 25 0 1 0 140009095 16211968 2988 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 3958 2988 94 219 0 3735 0
Current children cumulated CPU time (s) 23.49
Current children cumulated vsize (KiB) 15832

[startup+23.7012 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1275952/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=16016 CPUtime=23.68
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 3752 0 0 0 2358 10 0 0 25 0 1 0 140009095 16400384 3010 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 4004 3010 94 219 0 3781 0
Current children cumulated CPU time (s) 23.68
Current children cumulated vsize (KiB) 16016

[startup+23.8013 s]
/proc/loadavg: 0.95 0.98 0.99 2/78 31946
/proc/meminfo: memFree=1275952/2055920 swapFree=4168584/4192956
[pid=31945] ppid=31943 vsize=16016 CPUtime=23.78
/proc/31945/stat : 31945 (PBS4) R 31943 31945 30454 0 -1 4194304 3754 0 0 0 2368 10 0 0 25 0 1 0 140009095 16400384 3012 18446744073709551615 134512640 135410514 4294956640 18446744073709551615 135059249 0 0 4096 16384 0 0 0 17 1 0 0
/proc/31945/statm: 4004 3012 94 219 0 3781 0
Current children cumulated CPU time (s) 23.78
Current children cumulated vsize (KiB) 16016

Child status: 0
Real time (s): 23.846
CPU time (s): 23.8374
CPU user time (s): 23.7314
CPU system time (s): 0.105983
CPU usage (%): 99.9637
Max. virtual memory (cumulated for all children) (KiB): 16016

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.7314
system time used= 0.105983
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 3770
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= 523

runsolver used 0.025996 second user time and 0.05999 second system time

The end

Launcher Data (download as text)

Begin job on node22 on Wed Apr 18 18:28:34 UTC 2007

IDJOB= 359091
IDBENCH= 1261
IDSOLVER= 157
FILE ID= node22/359091-1176920914

PBS_JOBID= 4595241

Free space on /tmp= 66498 MiB

SOLVER NAME= PBS4 2007-03-23
BENCH NAME= HOME/pub/bench/PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1111226284.opb
COMMAND LINE= /tmp/evaluation/359091-1176920914/PBS4 /tmp/evaluation/359091-1176920914/instance-359091-1176920914.opb            
CONVERSION COMMAND LINE= runsolver -w ROOT/results/node22/convwatcher-359091-1176920914 -o ROOT/results/node22/conversion-359091-1176920914 -C 600 -M 1800 PBconversionToLinear /tmp/evaluation/359091-1176920914/instance-359091-1176920914.opb
CONVERSION RUNSOLVER STATUS CODE= 0
CONVERSION STATUS CODE= 0

RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node22/watcher-359091-1176920914 -o ROOT/results/node22/solver-359091-1176920914 -C 1800 -W 3600 -M 1800 --output-limit 1,15  /tmp/evaluation/359091-1176920914/PBS4 /tmp/evaluation/359091-1176920914/instance-359091-1176920914.opb            

META MD5SUM SOLVER= b6c24e28fef9e1efa7891be58ea9e46f
MD5SUM BENCH=  b0b62e5c28712e6ca2742fcfc1914d40

RANDOM SEED= 117155447

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB

Linux node22.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		: 3000.265
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		: 3000.265
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:       1288208 kB
Buffers:         40788 kB
Cached:         643376 kB
SwapCached:       2160 kB
Active:         207112 kB
Inactive:       499692 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1288208 kB
SwapTotal:     4192956 kB
SwapFree:      4168584 kB
Dirty:            1168 kB
Writeback:           0 kB
Mapped:          30480 kB
Slab:            46600 kB
Committed_AS:  1768384 kB
PageTables:       1676 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= 66498 MiB

End job on node22 on Wed Apr 18 18:28:58 UTC 2007