Trace number 2668440

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? (MO) 25.8011 27.8392

General information on the benchmark

Namenormalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/
normalized-ooo.ex.mem.LsqHdStrong.ucl.opb
MD5SUM3764cf8f4e2d3654f46ab0ec56ea8581
Bench CategoryDEC-SMALLINT (no optimisation, small integers)
Best result obtained on this benchmark
Best value of the objective obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Has Objective FunctionNO
SatisfiableNO
(Un)Satisfiability was provedYES
Best value of the objective function
Optimality of the best value was proved
Number of variables168111
Total number of constraints487525
Number of constraints which are clauses468727
Number of constraints which are cardinality constraints (but not clauses)0
Number of constraints which are nor clauses,nor cardinality constraints18798
Minimum length of a constraint1
Maximum length of a constraint15
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 130
Number of bits of the biggest number in a constraint 8
Biggest sum of numbers in a constraint 512
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 http://www.residual.se/pbct
0.00/0.00	c Based on OpenSMT/CT 20091015
6.29/6.33	c constraints 18798/0 clauses 468719/0 units 5
6.29/6.33	c vars 168111

Verifier Data 

ERROR: no interpretation found !

Watcher Data 

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

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-2668440-1276435404/watcher-2668440-1276435404 -o /tmp/evaluation-result-2668440-1276435404/solver-2668440-1276435404 -C 1800 -W 2000 -M 1800 HOME/pbct --model HOME/instance-2668440-1276435404.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: 0.93 0.98 0.98 3/106 24294
/proc/meminfo: memFree=1829368/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=2208 CPUtime=0
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 255 0 0 0 0 0 0 0 20 0 1 0 17196808 2260992 178 1992294400 134512640 136485738 4288828528 18446744073709551615 135567037 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 552 178 156 482 0 68 0

[startup+0.020784 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 24294
/proc/meminfo: memFree=1829368/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=2208 CPUtime=0.01
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 265 0 0 0 1 0 0 0 20 0 1 0 17196808 2260992 188 1992294400 134512640 136485738 4288828528 18446744073709551615 135416538 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 552 188 156 482 0 68 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 2208

[startup+0.101799 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 24294
/proc/meminfo: memFree=1829368/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=2472 CPUtime=0.09
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 331 0 0 0 9 0 0 0 20 0 1 0 17196808 2531328 254 1992294400 134512640 136485738 4288828528 18446744073709551615 135411124 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 618 254 156 482 0 134 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 2472

[startup+0.301836 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 24294
/proc/meminfo: memFree=1829368/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=3132 CPUtime=0.29
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 485 0 0 0 29 0 0 0 20 0 1 0 17196808 3207168 408 1992294400 134512640 136485738 4288828528 18446744073709551615 135170660 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 783 408 156 482 0 299 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 3132

[startup+0.700921 s]
/proc/loadavg: 0.93 0.98 0.98 3/106 24294
/proc/meminfo: memFree=1829368/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=4316 CPUtime=0.69
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 829 0 0 0 69 0 0 0 21 0 1 0 17196808 4419584 719 1992294400 134512640 136485738 4288828528 18446744073709551615 134532066 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 1079 719 156 482 0 595 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4316

[startup+1.50106 s]
/proc/loadavg: 0.93 0.98 0.98 2/107 24295
/proc/meminfo: memFree=1825268/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=7328 CPUtime=1.49
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 1648 0 0 0 148 1 0 0 23 0 1 0 17196808 7503872 1344 1992294400 134512640 136485738 4288828528 18446744073709551615 135180502 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 1832 1344 156 482 0 1348 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 7328

[startup+3.10142 s]
/proc/loadavg: 0.93 0.98 0.98 2/107 24295
/proc/meminfo: memFree=1822044/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=12840 CPUtime=3.09
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 3154 0 0 0 307 2 0 0 25 0 1 0 17196808 13148160 2593 1992294400 134512640 136485738 4288828528 18446744073709551615 135856905 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 3210 2593 156 482 0 2726 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 12840

[startup+6.30096 s]
/proc/loadavg: 0.94 0.98 0.98 2/107 24295
/proc/meminfo: memFree=1809520/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=39712 CPUtime=6.29
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 10067 0 0 0 623 6 0 0 25 0 1 0 17196808 40665088 9506 1992294400 134512640 136485738 4288828528 18446744073709551615 134544675 0 0 4096 0 0 0 0 17 1 0 0 0
/proc/24294/statm: 9928 9506 158 482 0 9444 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 39712

[startup+12.7011 s]
/proc/loadavg: 0.94 0.98 0.98 2/107 24295
/proc/meminfo: memFree=1233292/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=677124 CPUtime=12.69
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 180186 0 0 0 1182 87 0 0 25 0 1 0 17196808 693374976 165332 1992294400 134512640 136485738 4288828528 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 1 0 0 0
/proc/24294/statm: 169281 165333 191 482 0 168797 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 677124



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+25.6507 s]
/proc/loadavg: 0.95 0.98 0.98 4/107 24295
/proc/meminfo: memFree=8432/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=1870740 CPUtime=25.62
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 496347 0 0 0 2342 220 0 0 25 0 1 0 17196808 1915637760 465678 1992294400 134512640 136485738 4288828528 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 0 0 0 2
/proc/24294/statm: 467685 465683 197 482 0 467201 0
Current children cumulated CPU time (s) 25.62
Current children cumulated vsize (KiB) 1870740

Sending SIGTERM to process tree (bottom up)

[startup+25.6507 s]
/proc/loadavg: 0.95 0.98 0.98 4/107 24295
/proc/meminfo: memFree=8432/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=1870740 CPUtime=25.62
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4202496 496347 0 0 0 2342 220 0 0 25 0 1 0 17196808 1915637760 465678 1992294400 134512640 136485738 4288828528 18446744073709551615 135850441 0 0 4096 16387 0 0 0 17 0 0 0 2
/proc/24294/statm: 467685 465683 197 482 0 467201 0
Current children cumulated CPU time (s) 25.62
Current children cumulated vsize (KiB) 1870740
Sleeping 2 seconds

Sending SIGKILL to process tree (bottom up)

Sending SIGKILL to -24294

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

[startup+27.1006 s]
/proc/loadavg: 0.95 0.98 0.98 1/108 24296
/proc/meminfo: memFree=9960/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=1870872 CPUtime=25.62
/proc/24294/stat : 24294 (pbct) S 24292 24294 23803 0 -1 4194304 496384 0 0 0 2342 220 0 0 25 0 1 0 17196808 1915772928 465715 1992294400 134512640 136485738 4288828528 18446744073709551615 135319262 0 16384 4096 16387 18446604437838301952 0 0 17 0 0 0 2
/proc/24294/statm: 467718 465715 197 482 0 467234 0
Current children cumulated CPU time (s) 25.62
Current children cumulated vsize (KiB) 1870872

[startup+27.5006 s]
/proc/loadavg: 0.95 0.98 0.98 1/108 24296
/proc/meminfo: memFree=9960/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=1870872 CPUtime=25.62
/proc/24294/stat : 24294 (pbct) S 24292 24294 23803 0 -1 4194304 496384 0 0 0 2342 220 0 0 25 0 1 0 17196808 1915772928 465715 1992294400 134512640 136485738 4288828528 18446744073709551615 135319262 0 16384 4096 16387 18446604437838301952 0 0 17 0 0 0 2
/proc/24294/statm: 467718 465715 197 482 0 467234 0
Current children cumulated CPU time (s) 25.62
Current children cumulated vsize (KiB) 1870872

[startup+27.7006 s]
/proc/loadavg: 0.95 0.98 0.98 1/108 24296
/proc/meminfo: memFree=9960/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=0 CPUtime=25.66
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4195332 496384 0 0 0 2342 224 0 0 18 0 1 0 17196808 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 2
/proc/24294/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.66
Current children cumulated vsize (KiB) 0

[startup+27.8006 s]
/proc/loadavg: 0.95 0.98 0.98 1/108 24296
/proc/meminfo: memFree=9960/2059040 swapFree=4142408/4192956
[pid=24294] ppid=24292 vsize=0 CPUtime=25.76
/proc/24294/stat : 24294 (pbct) R 24292 24294 23803 0 -1 4195332 496384 0 0 0 2342 234 0 0 18 0 1 0 17196808 0 0 1992294400 0 0 0 0 0 0 16384 4096 16387 18446744073709551615 0 0 17 0 0 0 2
/proc/24294/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 25.76
Current children cumulated vsize (KiB) 0

Child ended because it received signal 9 (SIGKILL)
Real time (s): 27.8392
CPU time (s): 25.8011
CPU user time (s): 23.4224
CPU system time (s): 2.37864
CPU usage (%): 92.679
Max. virtual memory (cumulated for all children) (KiB): 1870872

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 23.4224
system time used= 2.37864
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 496384
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= 4
involuntary context switches= 354

runsolver used 0.056991 second user time and 0.142978 second system time

The end

Launcher Data 

Begin job on node019 at 2010-06-13 15:23:25
IDJOB=2668440
IDBENCH=1447
IDSOLVER=1170
FILE ID=node019/2668440-1276435404
PBS_JOBID= 11173319
Free space on /tmp= 62340 MiB

SOLVER NAME= PB/CT 0.1
BENCH NAME= PB06//final/normalized-PB06/SATUNSAT-SMALLINT/web/uclid_pb_benchmarks/normalized-ooo.ex.mem.LsqHdStrong.ucl.opb
COMMAND LINE= HOME/pbct --model BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-2668440-1276435404/watcher-2668440-1276435404 -o /tmp/evaluation-result-2668440-1276435404/solver-2668440-1276435404 -C 1800 -W 2000 -M 1800  HOME/pbct --model HOME/instance-2668440-1276435404.opb

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

MD5SUM BENCH= 3764cf8f4e2d3654f46ab0ec56ea8581
RANDOM SEED=433260541

node019.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		: 3000.264
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	: 6000.52
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		: 3000.264
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	: 5599.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2059040 kB
MemFree:       1829772 kB
Buffers:         20700 kB
Cached:         116092 kB
SwapCached:       4704 kB
Active:          48880 kB
Inactive:       101212 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2059040 kB
LowFree:       1829772 kB
SwapTotal:     4192956 kB
SwapFree:      4142408 kB
Dirty:           19084 kB
Writeback:           0 kB
AnonPages:       11500 kB
Mapped:          13692 kB
Slab:            57504 kB
PageTables:       3996 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:   5222476 kB
Committed_AS:   180440 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= 62336 MiB
End job on node019 at 2010-06-13 15:23:53