Trace number 215659

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
Mistral 2006-12-04? (MO) 14.2628 14.4085

General information on the benchmark

NamepseudoSeries/
mps/mps-seymour1.xml
MD5SUMc23deac71948a1d1c4a3e1e7e61e86e7
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark21.9927
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables10582
Number of constraints5786
Maximum constraint arity198
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension5786
Global constraints used (with number of constraints)

Solver Data (download as text)

0.02	c 
0.02	c Parsing xml file
0.02	c 	domains...............    0
0.02	c 	variables.............  0.2
0.22	c 	predicates............  1.1
1.32	c 	constraints........... 10.3
11.72	c Allocating memory
11.72	c 
11.72	c time limit = -1
11.72	c heuristic = dom/wdeg
11.72	c restart policy = No restart
11.72	c 
11.72	c Solving
11.72	c

Verifier Data (download as text)

ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer:

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node44/watcher-215659-1168235620 -o ROOT/results/node44/solver-215659-1168235620 -C 1800 -M 900 /tmp/evaluation/215659-1168235620/mistral/bin/solver /tmp/evaluation/215659-1168235620/unknown.xml -v 1 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB

/proc/loadavg: 0.95 1.26 1.57 4/84 26290
/proc/meminfo: memFree=1789864/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=18540 CPUtime=0
/proc/26289/stat : 26289 (runsolver) R 26287 26289 26001 0 -1 4194368 16 0 0 0 0 0 0 0 21 0 1 0 171961129 18984960 279 18446744073709551615 4194304 4267372 548682069056 18446744073709551615 264840473895 0 0 4096 24578 0 0 0 17 1 0 0
/proc/26289/statm: 4635 279 244 17 0 2626 0

[startup+0.111317 s]
/proc/loadavg: 0.95 1.26 1.57 4/84 26290
/proc/meminfo: memFree=1789864/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=8120 CPUtime=0.09
/proc/26289/stat : 26289 (solver) R 26287 26289 26001 0 -1 4194304 1085 0 0 0 9 0 0 0 21 0 1 0 171961129 8314880 1053 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134602416 0 0 4096 0 0 0 0 17 0 0 0
/proc/26289/statm: 2030 1053 692 92 0 374 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 8120

[startup+0.521356 s]
/proc/loadavg: 0.95 1.26 1.57 4/84 26290
/proc/meminfo: memFree=1789864/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=10068 CPUtime=0.5
/proc/26289/stat : 26289 (solver) R 26287 26289 26001 0 -1 4194304 1597 0 0 0 50 0 0 0 25 0 1 0 171961129 10309632 1565 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4159433720 0 0 4096 0 0 0 0 17 0 0 0
/proc/26289/statm: 2517 1565 703 92 0 861 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 10068

[startup+1.34144 s]
/proc/loadavg: 0.95 1.26 1.57 4/84 26290
/proc/meminfo: memFree=1783528/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=11536 CPUtime=1.31
/proc/26289/stat : 26289 (solver) R 26287 26289 26001 0 -1 4194304 1968 0 0 0 131 0 0 0 25 0 1 0 171961129 11812864 1936 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134717234 0 0 4096 0 0 0 0 17 0 0 0
/proc/26289/statm: 2884 1936 711 92 0 1228 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 11536

[startup+2.97761 s]
/proc/loadavg: 0.95 1.26 1.57 3/84 26290
/proc/meminfo: memFree=1765608/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=24424 CPUtime=2.95
/proc/26289/stat : 26289 (solver) R 26287 26289 26001 0 -1 4194304 5183 0 0 0 294 1 0 0 25 0 1 0 171961129 25010176 5151 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4159433779 0 0 4096 0 0 0 0 17 0 0 0
/proc/26289/statm: 6106 5151 713 92 0 4450 0
Current children cumulated CPU time (s) 2.95
Current children cumulated vsize (KiB) 24424

[startup+6.25595 s]
/proc/loadavg: 1.11 1.29 1.58 3/84 26290
/proc/meminfo: memFree=1722728/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=36584 CPUtime=6.22
/proc/26289/stat : 26289 (solver) R 26287 26289 26001 0 -1 4194304 8220 0 0 0 619 3 0 0 25 0 1 0 171961129 37462016 8146 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4159433742 0 0 4096 0 0 0 0 17 0 0 0
/proc/26289/statm: 9146 8146 713 92 0 7490 0
Current children cumulated CPU time (s) 6.22
Current children cumulated vsize (KiB) 36584

[startup+12.7186 s]
/proc/loadavg: 1.26 1.31 1.58 3/84 26290
/proc/meminfo: memFree=1362024/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=471116 CPUtime=12.62
/proc/26289/stat : 26289 (solver) R 26287 26289 26001 0 -1 4194304 103705 0 0 0 1219 43 0 0 25 0 1 0 171961129 482422784 103598 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 11716165 0 0 4096 0 0 0 0 17 0 0 0
/proc/26289/statm: 117779 103598 718 92 0 116123 0
Current children cumulated CPU time (s) 12.62
Current children cumulated vsize (KiB) 471116



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+14.2548 s]
/proc/loadavg: 1.32 1.33 1.58 3/84 26290
/proc/meminfo: memFree=782696/2055920 swapFree=4191892/4192956
[pid=26289] ppid=26287 vsize=944160 CPUtime=14.12
/proc/26289/stat : 26289 (solver) R 26287 26289 26001 0 -1 4194304 221966 0 0 0 1319 93 0 0 25 0 1 0 171961129 966819840 221859 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 11716165 0 0 4096 0 0 0 0 17 0 0 0
/proc/26289/statm: 236040 221859 718 92 0 234384 0
Current children cumulated CPU time (s) 14.12
Current children cumulated vsize (KiB) 944160

Sending SIGTERM to process tree (bottom up)
Sleeping 2 seconds

Child ended because it received signal 15 (SIGTERM)
Real time (s): 14.4085
CPU time (s): 14.2628
CPU user time (s): 13.198
CPU system time (s): 1.06484
CPU usage (%): 98.9887
Max. virtual memory (cumulated for all children) (KiB): 944160

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 13.198
system time used= 1.06484
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 221966
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= 13
involuntary context switches= 535

runsolver used 0.011998 s user time and 0.049992 s system time

The end

Launcher Data (download as text)

Begin job on node44 on Mon Jan  8 05:53:41 UTC 2007


IDJOB= 215659
IDBENCH= 5018
FILE ID= node44/215659-1168235620

PBS_JOBID= 3481467

Free space on /tmp= 66530 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/mps/mps-seymour1.xml
COMMAND LINE= /tmp/evaluation/215659-1168235620/mistral/bin/solver /tmp/evaluation/215659-1168235620/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node44/watcher-215659-1168235620 -o ROOT/results/node44/solver-215659-1168235620 -C 1800 -M 900  /tmp/evaluation/215659-1168235620/mistral/bin/solver /tmp/evaluation/215659-1168235620/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  c23deac71948a1d1c4a3e1e7e61e86e7

RANDOM SEED= 119674386

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.213
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		: 3000.213
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:       1790792 kB
Buffers:         28136 kB
Cached:         148496 kB
SwapCached:        304 kB
Active:         127508 kB
Inactive:        81664 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1790792 kB
SwapTotal:     4192956 kB
SwapFree:      4191892 kB
Dirty:           17892 kB
Writeback:           0 kB
Mapped:          50976 kB
Slab:            41192 kB
Committed_AS:  4368752 kB
PageTables:       1824 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= 66530 MiB



End job on node44 on Mon Jan  8 05:53:55 UTC 2007