Trace number 237131

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) 1.65175 1.79495

General information on the benchmark

Namefisher/
FISCHER6-7-fair.xml
MD5SUMbde9c90afc0695acf1d04979f2f27b7b
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmark
Best CPU time to get the best result obtained on this benchmark
Satisfiable
(Un)Satisfiability was proved
Number of variables11071
Number of constraints10467
Maximum constraint arity3
Maximum domain size20001
Number of constraints which are defined in extension0
Number of constraints which are defined in intension10467
Global constraints used (with number of constraints)

Solver Data (download as text)

0.16	c 
0.16	c Parsing xml file
0.16	c 	domains...............    0
0.16	c 	variables........

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/node62/watcher-237131-1168346630 -o ROOT/results/node62/solver-237131-1168346630 -C 1800 -M 900 /tmp/evaluation/237131-1168346630/mistral/bin/solver /tmp/evaluation/237131-1168346630/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: 2.53 2.77 2.62 5/74 15625
/proc/meminfo: memFree=1841240/2055920 swapFree=4192812/4192956
[pid=15624] ppid=15622 vsize=540 CPUtime=0
/proc/15624/stat : 15624 (solver) R 15622 15624 15380 0 -1 4194304 41 0 0 0 0 0 0 0 19 0 1 0 183060777 552960 26 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 8106788 0 2147483391 4096 0 0 0 0 17 1 0 0
/proc/15624/statm: 135 26 21 92 0 18 0

[startup+0.104026 s]
/proc/loadavg: 2.53 2.77 2.62 5/74 15625
/proc/meminfo: memFree=1841240/2055920 swapFree=4192812/4192956
[pid=15624] ppid=15622 vsize=6744 CPUtime=0
/proc/15624/stat : 15624 (solver) D 15622 15624 15380 0 -1 4194304 511 0 14 0 0 0 0 0 18 0 1 0 183060777 6905856 493 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4159383456 0 0 4096 0 18446744071563479169 0 0 17 0 0 0
/proc/15624/statm: 1686 493 431 92 0 30 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 6744

[startup+0.513101 s]
/proc/loadavg: 2.53 2.77 2.62 5/74 15625
/proc/meminfo: memFree=1841240/2055920 swapFree=4192812/4192956
[pid=15624] ppid=15622 vsize=230976 CPUtime=0.37
/proc/15624/stat : 15624 (solver) R 15622 15624 15380 0 -1 4194304 56744 0 26 0 10 27 0 0 20 0 1 0 183060777 236519424 56738 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134804786 0 0 4096 0 0 0 0 17 0 0 0
/proc/15624/statm: 57744 56748 692 92 0 56088 0
Current children cumulated CPU time (s) 0.37
Current children cumulated vsize (KiB) 230976

[startup+1.34128 s]
/proc/loadavg: 2.53 2.77 2.62 3/74 15625
/proc/meminfo: memFree=1210648/2055920 swapFree=4192812/4192956
[pid=15624] ppid=15622 vsize=764808 CPUtime=1.18
/proc/15624/stat : 15624 (solver) R 15622 15624 15380 0 -1 4194304 190238 0 26 0 34 84 0 0 25 0 1 0 183060777 783163392 190232 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 8541819 0 0 4096 0 0 0 0 17 0 0 0
/proc/15624/statm: 191242 190241 692 92 0 189586 0
Current children cumulated CPU time (s) 1.18
Current children cumulated vsize (KiB) 764808



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+1.64733 s]
/proc/loadavg: 2.53 2.77 2.62 3/74 15625
/proc/meminfo: memFree=877464/2055920 swapFree=4192812/4192956
[pid=15624] ppid=15622 vsize=966704 CPUtime=1.5
/proc/15624/stat : 15624 (solver) R 15622 15624 15380 0 -1 4194304 240701 0 26 0 43 107 0 0 25 0 1 0 183060777 989904896 240696 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134804809 0 0 4096 0 0 0 0 17 0 0 0
/proc/15624/statm: 241676 240702 692 92 0 240020 0
Current children cumulated CPU time (s) 1.5
Current children cumulated vsize (KiB) 966704

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 1.79495
CPU time (s): 1.65175
CPU user time (s): 0.439933
CPU system time (s): 1.21181
CPU usage (%): 92.0219
Max. virtual memory (cumulated for all children) (KiB): 966704

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.439933
system time used= 1.21182
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 240734
page faults= 26
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 45
involuntary context switches= 34

runsolver used 0.003999 s user time and 0.014997 s system time

The end

Launcher Data (download as text)

Begin job on node62 on Tue Jan  9 12:43:50 UTC 2007


IDJOB= 237131
IDBENCH= 6900
FILE ID= node62/237131-1168346630

PBS_JOBID= 3503587

Free space on /tmp= 66545 MiB

BENCH NAME= HOME/pub/bench/CPAI06/fisher/FISCHER6-7-fair.xml
COMMAND LINE= /tmp/evaluation/237131-1168346630/mistral/bin/solver /tmp/evaluation/237131-1168346630/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node62/watcher-237131-1168346630 -o ROOT/results/node62/solver-237131-1168346630 -C 1800 -M 900  /tmp/evaluation/237131-1168346630/mistral/bin/solver /tmp/evaluation/237131-1168346630/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  bde9c90afc0695acf1d04979f2f27b7b

RANDOM SEED= 607195289

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		: 3000.259
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		: 3000.259
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:       1841720 kB
Buffers:          6608 kB
Cached:          52960 kB
SwapCached:          0 kB
Active:         141940 kB
Inactive:        21268 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1841720 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            5200 kB
Writeback:           0 kB
Mapped:         115116 kB
Slab:            36056 kB
Committed_AS:  4301184 kB
PageTables:       2052 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= 66545 MiB



End job on node62 on Tue Jan  9 12:43:52 UTC 2007