Trace number 1061154

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
casper zitoUNSAT 1.03184 1.04608

DiagnosticValue
CHECKS125953

General information on the benchmark

Namecsp/pseudo/chnl/
normalized-chnl-20-21.xml
MD5SUM41b118ad42c6a1ae7c5e03d2f6c66389
Bench CategoryN-ARY-INT (n-ary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark1.03184
Satisfiable
(Un)Satisfiability was proved
Number of variables840
Number of constraints82
Maximum constraint arity21
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension82
Global constraints used (with number of constraints)

Solver Data (download as text)

0.00/0.02	c [ This is CaSPERzito (C) mvc@di.fct.unl.pt ]
0.00/0.02	c Parsing = 1
0.00/0.02	c Building = 1
0.09/0.12	c [ NumberOfVariables = 840 ]
0.09/0.12	c [ NumberOfConstraints = 82 ]
0.09/0.12	c [ SizeOfSearchSpace(log2) = 840 ]
0.09/0.12	c SymmetrySearch = 1
0.09/0.12	c [ Found 3.09006e+76 symmetries ]
0.09/0.12	c InitialPropagation = 1
0.09/0.12	c [ SizeOfSearchSpace(log2) = 840 ]
0.09/0.12	c InitialSAC = 0
0.98/1.04	s UNSATISFIABLE
0.98/1.04	d CHECKS 125953
0.98/1.04	c [ TotalFails = 0 ]
0.98/1.04	c [ NumberOfRestarts = 0 ]
0.98/1.04	c [ TotalTime = 1.01754 secs ]

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

runsolver version 3.2.5 (c) roussel@cril.univ-artois.fr

command line: /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1061154-1215131246/watcher-1061154-1215131246 -o /tmp/evaluation-result-1061154-1215131246/solver-1061154-1215131246 -C 1800 -W 2200 -M 900 --output-limit 1,15 HOME/casperzito HOME/instance-1061154-1215131246.xml 1699498057 

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): 2200 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
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 1.85 1.97 1.99 4/82 15312
/proc/meminfo: memFree=1518416/2055920 swapFree=4165996/4192956
[pid=15312] ppid=15310 vsize=18572 CPUtime=0
/proc/15312/stat : 15312 (runsolver) R 15310 15312 14380 0 -1 4194368 15 0 0 0 0 0 0 0 21 0 1 0 626342452 19017728 292 996147200 4194304 4296836 548682068480 18446744073709551615 228043844903 0 0 4096 24578 0 0 0 17 1 0 0
/proc/15312/statm: 4643 292 257 25 0 2626 0

[startup+0.0737899 s]
/proc/loadavg: 1.85 1.97 1.99 4/82 15312
/proc/meminfo: memFree=1518416/2055920 swapFree=4165996/4192956
[pid=15312] ppid=15310 vsize=100272 CPUtime=0.06
/proc/15312/stat : 15312 (casperzito) R 15310 15312 14380 0 -1 4194304 928 0 0 0 6 0 0 0 21 0 1 0 626342452 102678528 888 996147200 134512640 135472138 4294956224 18446744073709551615 134529991 0 0 4096 0 0 0 0 17 0 0 0
/proc/15312/statm: 25068 888 449 234 0 23770 0
Current children cumulated CPU time (s) 0.06
Current children cumulated vsize (KiB) 100272

[startup+0.101793 s]
/proc/loadavg: 1.85 1.97 1.99 4/82 15312
/proc/meminfo: memFree=1518416/2055920 swapFree=4165996/4192956
[pid=15312] ppid=15310 vsize=100404 CPUtime=0.09
/proc/15312/stat : 15312 (casperzito) R 15310 15312 14380 0 -1 4194304 966 0 0 0 9 0 0 0 21 0 1 0 626342452 102813696 926 996147200 134512640 135472138 4294956224 18446744073709551615 134534944 0 0 4096 0 0 0 0 17 0 0 0
/proc/15312/statm: 25101 926 449 234 0 23803 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 100404

[startup+0.301833 s]
/proc/loadavg: 1.85 1.97 1.99 4/82 15312
/proc/meminfo: memFree=1518416/2055920 swapFree=4165996/4192956
[pid=15312] ppid=15310 vsize=100316 CPUtime=0.29
/proc/15312/stat : 15312 (casperzito) R 15310 15312 14380 0 -1 4194304 1289 0 0 0 29 0 0 0 23 0 1 0 626342452 102723584 1064 996147200 134512640 135472138 4294956224 18446744073709551615 134578193 0 0 4096 0 0 0 0 17 0 0 0
/proc/15312/statm: 25079 1064 472 234 0 23781 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 100316

[startup+0.701913 s]
/proc/loadavg: 1.85 1.97 1.99 4/82 15312
/proc/meminfo: memFree=1518416/2055920 swapFree=4165996/4192956
[pid=15312] ppid=15310 vsize=100316 CPUtime=0.68
/proc/15312/stat : 15312 (casperzito) R 15310 15312 14380 0 -1 4194304 1299 0 0 0 68 0 0 0 25 0 1 0 626342452 102723584 1074 996147200 134512640 135472138 4294956224 18446744073709551615 134578209 0 0 4096 0 0 0 0 17 0 0 0
/proc/15312/statm: 25079 1074 472 234 0 23781 0
Current children cumulated CPU time (s) 0.68
Current children cumulated vsize (KiB) 100316

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

[startup+0.901952 s]
/proc/loadavg: 1.85 1.97 1.99 4/82 15312
/proc/meminfo: memFree=1518416/2055920 swapFree=4165996/4192956
[pid=15312] ppid=15310 vsize=100316 CPUtime=0.88
/proc/15312/stat : 15312 (casperzito) R 15310 15312 14380 0 -1 4194304 1302 0 0 0 88 0 0 0 25 0 1 0 626342452 102723584 1077 996147200 134512640 135472138 4294956224 18446744073709551615 134672506 0 0 4096 0 0 0 0 17 0 0 0
/proc/15312/statm: 25079 1077 472 234 0 23781 0
Current children cumulated CPU time (s) 0.88
Current children cumulated vsize (KiB) 100316

[startup+1.00197 s]
/proc/loadavg: 1.85 1.97 1.99 3/83 15313
/proc/meminfo: memFree=1515848/2055920 swapFree=4165996/4192956
[pid=15312] ppid=15310 vsize=100316 CPUtime=0.98
/proc/15312/stat : 15312 (casperzito) R 15310 15312 14380 0 -1 4194304 1307 0 0 0 98 0 0 0 25 0 1 0 626342452 102723584 1082 996147200 134512640 135472138 4294956224 18446744073709551615 134672486 0 0 4096 0 0 0 0 17 0 0 0
/proc/15312/statm: 25079 1082 472 234 0 23781 0
Current children cumulated CPU time (s) 0.98
Current children cumulated vsize (KiB) 100316

Child status: 0
Real time (s): 1.04608
CPU time (s): 1.03184
CPU user time (s): 1.02484
CPU system time (s): 0.006998
CPU usage (%): 98.6389
Max. virtual memory (cumulated for all children) (KiB): 100404

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.02484
system time used= 0.006998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1313
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= 55

runsolver used 0.003999 second user time and 0.008998 second system time

The end

Launcher Data (download as text)

Begin job on node77 at 2008-07-04 02:27:27
IDJOB=1061154
IDBENCH=54511
IDSOLVER=362
FILE ID=node77/1061154-1215131246
PBS_JOBID= 7877235
Free space on /tmp= 66500 MiB

SOLVER NAME= casper zito
BENCH NAME= CPAI08/csp/pseudo/chnl/normalized-chnl-20-21.xml
COMMAND LINE= HOME/casperzito BENCHNAME RANDOMSEED 
RUNSOLVER COMMAND LINE= /home/evaluation/evaluation/pub/bin/runsolver --timestamp -w /tmp/evaluation-result-1061154-1215131246/watcher-1061154-1215131246 -o /tmp/evaluation-result-1061154-1215131246/solver-1061154-1215131246 -C 1800 -W 2200 -M 900 --output-limit 1,15  HOME/casperzito HOME/instance-1061154-1215131246.xml 1699498057 

TIME LIMIT= 1800 seconds
MEMORY LIMIT= 900 MiB

MD5SUM BENCH= 41b118ad42c6a1ae7c5e03d2f6c66389
RANDOM SEED=1699498057

node77.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/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		: 3000.274
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		: 3000.274
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	: 5996.54
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1518896 kB
Buffers:         85288 kB
Cached:         333108 kB
SwapCached:      20884 kB
Active:         230576 kB
Inactive:       229376 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1518896 kB
SwapTotal:     4192956 kB
SwapFree:      4165996 kB
Dirty:            3016 kB
Writeback:           0 kB
Mapped:          57088 kB
Slab:            62184 kB
Committed_AS:  1083988 kB
PageTables:       1928 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= 66496 MiB
End job on node77 at 2008-07-04 02:27:28