Trace number 2668896

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. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock 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
PB/CT 0.1SAT 21.0808 21.0855

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/
wnqueen/normalized-t2001.13queen13.1110975678.opb
MD5SUMe3451f374f066f8ee3ed5b9522cef90a
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
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 benchmark0.19097
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 1187
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 

0.00/0.00	c PB/CT 0.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.00	c constraints 71/0 clauses 30/0 units 0
0.00/0.00	c vars 169
20.98/21.07	c 19.0941 8.11328 2326 110754
20.98/21.07	s SATISFIABLE
20.98/21.07	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 x29 -x30 -x31 -x32 -x33 -x34 -x35 -x36 -x37 -x38 -x39 -x40 -x41 -x42 -x43 -x44 -x45 -x46 -x47 -x48 -x49 -x50 -x51 x52 -x53 -x54 -x55 -x56 -x57 -x58 -x59 -x60 -x61 x62 -x63 -x64 -x65 -x66 -x67 -x68 -x69 -x70 -x71 -x72 x73 -x74 -x75 -x76 -x77 -x78 -x79 -x80 -x81 x82 -x83 -x84 -x85 -x86 -x87 -x88 -x89 -x90 -x91 x92 -x93 -x94 -x95 -x96 -x97 -x98 -x99 -x100 -x101 -x102 -x103 -x104 -x105 -x106 -x107 -x108 -x109 -x110 x111 -x112 -x113 -x114 -x115 -x116 -x117 -x118 -x119 -x120 -x121 -x122 -x123 -x124 -x125 -x126 -x127 x128 -x129 -x130 -x131 x132 -x133 -x134 -x135 -x136 -x137 -x138 -x139 -x140 -x141 -x142 -x143 -x144 -x145 -x146 -x147 -x148 x149 -x150 -x151 -x152 -x153 -x154 -x155 -x156 -x157 -x158 -x159 -x160 -x161 -x162 -x163 -x164 -x165 -x166 -x167 x168 -x169

Verifier Data 

OK	0

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2668896-1276432238/watcher-2668896-1276432238 -o /tmp/evaluation-result-2668896-1276432238/solver-2668896-1276432238 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668896-1276432238.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): 2000 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.98 0.98 0.99 3/107 22769
/proc/meminfo: memFree=1745040/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=3384 CPUtime=0
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 535 0 0 0 0 0 0 0 20 0 1 0 16879507 3465216 458 1992294400 134512640 136485738 4288556992 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 846 460 191 482 0 362 0

[startup+0.011552 s]
/proc/loadavg: 0.98 0.98 0.99 3/107 22769
/proc/meminfo: memFree=1745040/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=3644 CPUtime=0
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 612 0 0 0 0 0 0 0 20 0 1 0 16879507 3731456 535 1992294400 134512640 136485738 4288556992 18446744073709551615 135318936 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 911 537 196 482 0 427 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 3644

[startup+0.101559 s]
/proc/loadavg: 0.98 0.98 0.99 3/107 22769
/proc/meminfo: memFree=1745040/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=7400 CPUtime=0.1
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1547 0 0 0 9 1 0 0 20 0 1 0 16879507 7577600 1470 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 1850 1470 223 482 0 1366 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 7400

[startup+0.301576 s]
/proc/loadavg: 0.98 0.98 0.99 3/107 22769
/proc/meminfo: memFree=1745040/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=7656 CPUtime=0.29
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1598 0 0 0 27 2 0 0 20 0 1 0 16879507 7839744 1521 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 1914 1521 223 482 0 1430 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 7656

[startup+0.701612 s]
/proc/loadavg: 0.98 0.98 0.99 3/107 22769
/proc/meminfo: memFree=1745040/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=7784 CPUtime=0.69
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1644 0 0 0 62 7 0 0 20 0 1 0 16879507 7970816 1567 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 1946 1567 223 482 0 1462 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 7784

[startup+1.50168 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1739452/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=7916 CPUtime=1.5
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1666 0 0 0 135 15 0 0 22 0 1 0 16879507 8105984 1589 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 1979 1589 223 482 0 1495 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 7916

[startup+3.10183 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1739204/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=7916 CPUtime=3.09
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1667 0 0 0 278 31 0 0 25 0 1 0 16879507 8105984 1590 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 1979 1590 223 482 0 1495 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 7916

[startup+6.30111 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738956/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8048 CPUtime=6.29
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1702 0 0 0 566 63 0 0 25 0 1 0 16879507 8241152 1625 1992294400 134512640 136485738 4288556992 18446744073709551615 135039063 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2012 1625 223 482 0 1528 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 8048

[startup+12.7017 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738584/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8176 CPUtime=12.69
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1744 0 0 0 1148 121 0 0 25 0 1 0 16879507 8372224 1667 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2044 1667 223 482 0 1560 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 8176

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

[startup+15.901 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738584/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8304 CPUtime=15.88
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1758 0 0 0 1439 149 0 0 25 0 1 0 16879507 8503296 1681 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2076 1681 223 482 0 1592 0
Current children cumulated CPU time (s) 15.88
Current children cumulated vsize (KiB) 8304

[startup+19.1013 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738584/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8304 CPUtime=19.09
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1758 0 0 0 1729 180 0 0 25 0 1 0 16879507 8503296 1681 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2076 1681 223 482 0 1592 0
Current children cumulated CPU time (s) 19.09
Current children cumulated vsize (KiB) 8304

[startup+19.9013 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738584/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8304 CPUtime=19.89
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1758 0 0 0 1803 186 0 0 25 0 1 0 16879507 8503296 1681 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2076 1681 223 482 0 1592 0
Current children cumulated CPU time (s) 19.89
Current children cumulated vsize (KiB) 8304

[startup+20.7014 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738584/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8304 CPUtime=20.69
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1765 0 0 0 1875 194 0 0 25 0 1 0 16879507 8503296 1688 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2076 1688 223 482 0 1592 0
Current children cumulated CPU time (s) 20.69
Current children cumulated vsize (KiB) 8304

[startup+20.9084 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738584/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8304 CPUtime=20.9
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1765 0 0 0 1894 196 0 0 25 0 1 0 16879507 8503296 1688 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2076 1688 223 482 0 1592 0
Current children cumulated CPU time (s) 20.9
Current children cumulated vsize (KiB) 8304

[startup+21.0014 s]
/proc/loadavg: 0.99 0.98 0.99 2/108 22770
/proc/meminfo: memFree=1738584/2059040 swapFree=4140108/4192956
[pid=22769] ppid=22767 vsize=8304 CPUtime=20.98
/proc/22769/stat : 22769 (pbct) R 22767 22769 22087 0 -1 4202496 1765 0 0 0 1902 196 0 0 25 0 1 0 16879507 8503296 1688 1992294400 134512640 136485738 4288556992 18446744073709551615 135913329 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/22769/statm: 2076 1688 223 482 0 1592 0
Current children cumulated CPU time (s) 20.98
Current children cumulated vsize (KiB) 8304

Child status: 0
Real time (s): 21.0855
CPU time (s): 21.0808
CPU user time (s): 19.1071
CPU system time (s): 1.9737
CPU usage (%): 99.9777
Max. virtual memory (cumulated for all children) (KiB): 8304

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 19.1071
system time used= 1.9737
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1789
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= 1
involuntary context switches= 81

runsolver used 0.042993 second user time and 0.101984 second system time

The end

Launcher Data 

Begin job on node025 at 2010-06-13 14:30:38
IDJOB=2668896
IDBENCH=1228
IDSOLVER=1170
FILE ID=node025/2668896-1276432238
PBS_JOBID= 11173304
Free space on /tmp= 62540 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/wnqueen/normalized-t2001.13queen13.1110975678.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668896-1276432238/watcher-2668896-1276432238 -o /tmp/evaluation-result-2668896-1276432238/solver-2668896-1276432238 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668896-1276432238.opb

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= e3451f374f066f8ee3ed5b9522cef90a
RANDOM SEED=1373492644

node025.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/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		: 3000.242
cache size	: 2048 KB
physical id	: 0
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 0
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 6000.48
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		: 3000.242
cache size	: 2048 KB
physical id	: 3
siblings	: 1
core id		: 0
cpu cores	: 1
apicid		: 6
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 constant_tsc pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5599.44
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1745444 kB
Buffers:         78524 kB
Cached:         143976 kB
SwapCached:       6632 kB
Active:         138812 kB
Inactive:        96956 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1745444 kB
SwapTotal:     4192956 kB
SwapFree:      4140108 kB
Dirty:            1972 kB
Writeback:           0 kB
AnonPages:       11168 kB
Mapped:          12908 kB
Slab:            55948 kB
PageTables:       3996 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181672 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    264948 kB
VmallocChunk: 34359471699 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 62540 MiB
End job on node025 at 2010-06-13 14:30:59