Trace number 214866

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 2006-12-04SAT 7.04293 7.10225

General information on the benchmark

NamepseudoSeries/logic-synthesis/
e-am-pi.xml
MD5SUMf495ffc9a09132d5bc1ae4d343087a7c
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 benchmark0.569912
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables4676
Number of constraints509
Maximum constraint arity166
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension509
Global constraints used (with number of constraints)

Solver Data (download as text)

0.21	c 
0.21	c Parsing xml file
0.21	c 	domains...............    0
0.21	c 	variables............. 0.09
0.21	c 	predicates............ 0.51
0.61	c 	constraints........... 0.39
1.01	c Allocating memory
1.01	c 
1.01	c time limit = -1
1.01	c heuristic = dom/wdeg
1.01	c restart policy = No restart
1.01	c 
1.01	c Solving
1.01	c
7.08	s SATISFIABLE
7.08	v 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 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7.08	d          SAT         0 BTS         6 s

Verifier Data (download as text)

OK

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node39/watcher-214866-1168232026 -o ROOT/results/node39/solver-214866-1168232026 -C 1800 -M 900 /tmp/evaluation/214866-1168232026/mistral/bin/solver /tmp/evaluation/214866-1168232026/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: 0.85 0.98 1.18 6/84 15629
/proc/meminfo: memFree=775984/2055920 swapFree=4187312/4192956
[pid=15628] ppid=15626 vsize=18540 CPUtime=0
/proc/15628/stat : 15628 (runsolver) R 15626 15628 15340 0 -1 4194368 16 0 0 0 0 0 0 0 18 0 1 0 171602470 18984960 279 18446744073709551615 4194304 4267372 548682069056 18446744073709551615 231493659943 0 0 4096 24578 0 0 0 17 1 0 0
/proc/15628/statm: 4635 279 244 17 0 2626 0

[startup+0.103054 s]
/proc/loadavg: 0.85 0.98 1.18 6/84 15629
/proc/meminfo: memFree=775984/2055920 swapFree=4187312/4192956
[pid=15628] ppid=15626 vsize=7972 CPUtime=0.09
/proc/15628/stat : 15628 (solver) R 15626 15628 15340 0 -1 4194304 1063 0 0 0 9 0 0 0 18 0 1 0 171602470 8163328 1031 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4158036366 0 0 4096 0 0 0 0 17 0 0 0
/proc/15628/statm: 1993 1031 688 92 0 337 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7972

[startup+0.511087 s]
/proc/loadavg: 0.85 0.98 1.18 6/84 15629
/proc/meminfo: memFree=775984/2055920 swapFree=4187312/4192956
[pid=15628] ppid=15626 vsize=9080 CPUtime=0.49
/proc/15628/stat : 15628 (solver) R 15626 15628 15340 0 -1 4194304 1342 0 0 0 49 0 0 0 22 0 1 0 171602470 9297920 1310 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 4156436709 0 0 4096 0 0 0 0 17 0 0 0
/proc/15628/statm: 2270 1310 698 92 0 614 0
Current children cumulated CPU time (s) 0.49
Current children cumulated vsize (KiB) 9080

[startup+1.33117 s]
/proc/loadavg: 0.94 1.00 1.19 3/84 15629
/proc/meminfo: memFree=757872/2055920 swapFree=4187312/4192956
[pid=15628] ppid=15626 vsize=12888 CPUtime=1.31
/proc/15628/stat : 15628 (solver) R 15626 15628 15340 0 -1 4194304 2298 0 0 0 130 1 0 0 25 0 1 0 171602470 13197312 2266 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134727366 0 0 4096 0 0 0 0 17 0 0 0
/proc/15628/statm: 3222 2266 719 92 0 1566 0
Current children cumulated CPU time (s) 1.31
Current children cumulated vsize (KiB) 12888

[startup+2.96832 s]
/proc/loadavg: 0.94 1.00 1.19 4/84 15629
/proc/meminfo: memFree=716528/2055920 swapFree=4187312/4192956
[pid=15628] ppid=15626 vsize=12888 CPUtime=2.93
/proc/15628/stat : 15628 (solver) R 15626 15628 15340 0 -1 4194304 2298 0 0 0 292 1 0 0 25 0 1 0 171602470 13197312 2266 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134710127 0 0 4096 0 0 0 0 17 0 0 0
/proc/15628/statm: 3222 2266 719 92 0 1566 0
Current children cumulated CPU time (s) 2.93
Current children cumulated vsize (KiB) 12888

[startup+6.25162 s]
/proc/loadavg: 0.94 1.00 1.19 3/81 15705
/proc/meminfo: memFree=738504/2055920 swapFree=4187312/4192956
[pid=15628] ppid=15626 vsize=12948 CPUtime=6.18
/proc/15628/stat : 15628 (solver) R 15626 15628 15340 0 -1 4194304 2313 0 0 0 617 1 0 0 25 0 1 0 171602470 13258752 2281 18446744073709551615 134512640 134893201 4294956688 18446744073709551615 134637678 0 0 4096 0 0 0 0 17 0 0 0
/proc/15628/statm: 3237 2281 719 92 0 1581 0
Current children cumulated CPU time (s) 6.18
Current children cumulated vsize (KiB) 12948

Child status: 0
Real time (s): 7.10225
CPU time (s): 7.04293
CPU user time (s): 7.02093
CPU system time (s): 0.021996
CPU usage (%): 99.1647
Max. virtual memory (cumulated for all children) (KiB): 13068

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 7.02093
system time used= 0.021996
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2357
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= 266

runsolver used 0.010998 s user time and 0.021996 s system time

The end

Launcher Data (download as text)

Begin job on node39 on Mon Jan  8 04:53:47 UTC 2007


IDJOB= 214866
IDBENCH= 4957
FILE ID= node39/214866-1168232026

PBS_JOBID= 3481399

Free space on /tmp= 66556 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/logic-synthesis/e-am-pi.xml
COMMAND LINE= /tmp/evaluation/214866-1168232026/mistral/bin/solver /tmp/evaluation/214866-1168232026/unknown.xml -v 1
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node39/watcher-214866-1168232026 -o ROOT/results/node39/solver-214866-1168232026 -C 1800 -M 900  /tmp/evaluation/214866-1168232026/mistral/bin/solver /tmp/evaluation/214866-1168232026/unknown.xml -v 1

META MD5SUM SOLVER= cb80ed4ac975bdc0101f830a5b1b8f77
MD5SUM BENCH=  f495ffc9a09132d5bc1ae4d343087a7c

RANDOM SEED= 781274085

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		: 3000.236
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		: 3000.236
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:        785744 kB
Buffers:         13272 kB
Cached:        1176920 kB
SwapCached:       1440 kB
Active:         181736 kB
Inactive:      1036668 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        785744 kB
SwapTotal:     4192956 kB
SwapFree:      4187312 kB
Dirty:            6640 kB
Writeback:           0 kB
Mapped:          44540 kB
Slab:            37056 kB
Committed_AS:  4259628 kB
PageTables:       1844 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= 66555 MiB



End job on node39 on Mon Jan  8 04:53:56 UTC 2007