Trace number 2682533

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 0.1 fixedSAT 43.7733 43.7842

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/
namasivayam/tsp/normalized-t3002.11tsp11.1900568952.opb
MD5SUMd3b8f3f407b82b0f272ff2eb3fe91ca6
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 benchmark8.11477
Has Objective FunctionNO
SatisfiableYES
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved NO
Number of variables231
Total number of constraints2707
Number of constraints which are clauses2684
Number of constraints which are cardinality constraints (but not clauses)22
Number of constraints which are nor clauses,nor cardinality constraints1
Minimum length of a constraint2
Maximum length of a constraint110
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 25
Number of bits of the biggest number in a constraint 5
Biggest sum of numbers in a constraint 657
Number of bits of the biggest sum of numbers10
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 0.1.1 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
0.00/0.03	c constraints 23/0 clauses 2684/0 units 0
0.00/0.03	c vars 231
43.68/43.75	c 38.9001 11.3984 2592 278817
43.68/43.75	s SATISFIABLE
43.68/43.75	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 -x170 -x171 -x172 -x173 -x174 -x175 -x176 -x177 -x178 x179 -x180 -x181 -x182 -x183 -x184 -x185 -x186 -x187 x188 -x189 -x190 -x191 -x192 x193 -x194 -x195 -x196 -x197 -x198 -x199 -x200 -x201 -x202 -x203 -x204 -x205 -x206 -x207 -x208 -x209 -x210 x211 -x212 -x213 -x214 -x215 -x216 x217 -x218 -x219 -x220 -x221 -x222 -x223 x224 -x225 -x226 -x227 -x228 -x229 -x230 -x231

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-2682533-1277475672/watcher-2682533-1277475672 -o /tmp/evaluation-result-2682533-1277475672/solver-2682533-1277475672 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2682533-1277475672.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: 0.54 0.14 0.04 3/106 24385
/proc/meminfo: memFree=1816124/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=2136 CPUtime=0
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 246 0 0 0 0 0 0 0 17 0 1 0 121222586 2187264 166 1992294400 134512640 136421960 4287554704 18446744073709551615 135811817 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24385/statm: 534 166 144 467 0 65 0

[startup+0.0621011 s]
/proc/loadavg: 0.54 0.14 0.04 3/106 24385
/proc/meminfo: memFree=1816124/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=6052 CPUtime=0.05
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 1186 0 0 0 5 0 0 0 17 0 1 0 121222586 6197248 1106 1992294400 134512640 136421960 4287554704 18446744073709551615 135811817 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 1513 1107 193 467 0 1044 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 6052

[startup+0.101103 s]
/proc/loadavg: 0.54 0.14 0.04 3/106 24385
/proc/meminfo: memFree=1816124/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=10100 CPUtime=0.09
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2171 0 0 0 8 1 0 0 17 0 1 0 121222586 10342400 2089 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2525 2089 213 467 0 2056 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 10100

[startup+0.301119 s]
/proc/loadavg: 0.54 0.14 0.04 3/106 24385
/proc/meminfo: memFree=1816124/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=10228 CPUtime=0.29
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2211 0 0 0 25 4 0 0 17 0 1 0 121222586 10473472 2129 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2557 2129 213 467 0 2088 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 10228

[startup+0.701151 s]
/proc/loadavg: 0.54 0.14 0.04 3/106 24385
/proc/meminfo: memFree=1816124/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=10360 CPUtime=0.69
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2250 0 0 0 61 8 0 0 17 0 1 0 121222586 10608640 2168 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2590 2168 213 467 0 2121 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 10360

[startup+1.50121 s]
/proc/loadavg: 0.54 0.14 0.04 2/107 24386
/proc/meminfo: memFree=1808056/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=10488 CPUtime=1.49
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2281 0 0 0 131 18 0 0 18 0 1 0 121222586 10739712 2199 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2622 2199 213 467 0 2153 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 10488

[startup+3.10134 s]
/proc/loadavg: 0.54 0.14 0.04 2/107 24386
/proc/meminfo: memFree=1807684/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=10748 CPUtime=3.09
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2325 0 0 0 270 39 0 0 21 0 1 0 121222586 11005952 2243 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2687 2243 213 467 0 2218 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 10748

[startup+6.30159 s]
/proc/loadavg: 0.58 0.15 0.05 2/107 24386
/proc/meminfo: memFree=1807436/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=10880 CPUtime=6.29
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2375 0 0 0 551 78 0 0 25 0 1 0 121222586 11141120 2293 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2720 2293 213 467 0 2251 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 10880

[startup+12.7011 s]
/proc/loadavg: 0.61 0.17 0.05 2/107 24386
/proc/meminfo: memFree=1807188/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11140 CPUtime=12.69
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2429 0 0 0 1113 156 0 0 25 0 1 0 121222586 11407360 2347 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2785 2347 213 467 0 2316 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 11140

[startup+25.5011 s]
/proc/loadavg: 0.70 0.21 0.07 2/107 24386
/proc/meminfo: memFree=1806940/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11400 CPUtime=25.49
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2517 0 0 0 2250 299 0 0 25 0 1 0 121222586 11673600 2435 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2850 2435 213 467 0 2381 0
Current children cumulated CPU time (s) 25.49
Current children cumulated vsize (KiB) 11400

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

[startup+31.9086 s]
/proc/loadavg: 0.72 0.22 0.07 2/107 24386
/proc/meminfo: memFree=1806692/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11532 CPUtime=31.89
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2551 0 0 0 2827 362 0 0 25 0 1 0 121222586 11808768 2469 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2883 2469 213 467 0 2414 0
Current children cumulated CPU time (s) 31.89
Current children cumulated vsize (KiB) 11532

[startup+38.3011 s]
/proc/loadavg: 0.74 0.23 0.08 2/107 24386
/proc/meminfo: memFree=1806568/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11668 CPUtime=38.28
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2565 0 0 0 3403 425 0 0 25 0 1 0 121222586 11948032 2483 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2917 2483 213 467 0 2448 0
Current children cumulated CPU time (s) 38.28
Current children cumulated vsize (KiB) 11668

[startup+41.5004 s]
/proc/loadavg: 0.76 0.25 0.08 2/107 24386
/proc/meminfo: memFree=1806568/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11668 CPUtime=41.48
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2571 0 0 0 3690 458 0 0 25 0 1 0 121222586 11948032 2489 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2917 2489 213 467 0 2448 0
Current children cumulated CPU time (s) 41.48
Current children cumulated vsize (KiB) 11668

[startup+43.1005 s]
/proc/loadavg: 0.76 0.25 0.08 2/107 24386
/proc/meminfo: memFree=1806568/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11668 CPUtime=43.08
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2571 0 0 0 3831 477 0 0 25 0 1 0 121222586 11948032 2489 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2917 2489 213 467 0 2448 0
Current children cumulated CPU time (s) 43.08
Current children cumulated vsize (KiB) 11668

[startup+43.5005 s]
/proc/loadavg: 0.76 0.25 0.08 2/107 24386
/proc/meminfo: memFree=1806568/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11668 CPUtime=43.48
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2571 0 0 0 3867 481 0 0 25 0 1 0 121222586 11948032 2489 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2917 2489 213 467 0 2448 0
Current children cumulated CPU time (s) 43.48
Current children cumulated vsize (KiB) 11668

[startup+43.7006 s]
/proc/loadavg: 0.76 0.25 0.08 2/107 24386
/proc/meminfo: memFree=1806568/2059040 swapFree=4136400/4192956
[pid=24385] ppid=24383 vsize=11668 CPUtime=43.68
/proc/24385/stat : 24385 (pbct) R 24383 24385 24277 0 -1 4202496 2571 0 0 0 3885 483 0 0 25 0 1 0 121222586 11948032 2489 1992294400 134512640 136421960 4287554704 18446744073709551615 135874657 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24385/statm: 2917 2489 213 467 0 2448 0
Current children cumulated CPU time (s) 43.68
Current children cumulated vsize (KiB) 11668

Child status: 0
Real time (s): 43.7842
CPU time (s): 43.7733
CPU user time (s): 38.9261
CPU system time (s): 4.84726
CPU usage (%): 99.9751
Max. virtual memory (cumulated for all children) (KiB): 11668

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 38.9261
system time used= 4.84726
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2598
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= 2
involuntary context switches= 49

runsolver used 0.066989 second user time and 0.217966 second system time

The end

Launcher Data 

Begin job on node026 at 2010-06-25 16:21:12
IDJOB=2682533
IDBENCH=1271
IDSOLVER=1192
FILE ID=node026/2682533-1277475672
PBS_JOBID= 11190516
Free space on /tmp= 62476 MiB

SOLVER NAME= PB/CT 0.1 fixed
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/submitted-PB06/namasivayam/tsp/normalized-t3002.11tsp11.1900568952.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2682533-1277475672/watcher-2682533-1277475672 -o /tmp/evaluation-result-2682533-1277475672/solver-2682533-1277475672 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2682533-1277475672.opb

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

MD5SUM BENCH= d3b8f3f407b82b0f272ff2eb3fe91ca6
RANDOM SEED=1807460107

node026.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		: 3000.201
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	: 6000.40
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		: 3000.201
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	: 5599.46
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1816644 kB
Buffers:         40560 kB
Cached:         103148 kB
SwapCached:       9016 kB
Active:          68468 kB
Inactive:        88136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1816644 kB
SwapTotal:     4192956 kB
SwapFree:      4136400 kB
Dirty:            1912 kB
Writeback:           0 kB
AnonPages:       11572 kB
Mapped:           8384 kB
Slab:            63816 kB
PageTables:       4216 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   181864 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= 62476 MiB
End job on node026 at 2010-06-25 16:21:56