Trace number 244533

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
Abscon 109 ACUNSAT 1.10583 1.181

DiagnosticValue
CHECKS9625
NODES516

General information on the benchmark

Namedimacs/
jnhUnsat/jnh215_ext.xml
MD5SUMcc494a85bdbb1622a7dbd2d18b618861
Bench CategoryN-ARY-EXT (n-ary constraints in extension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.068989
SatisfiableNO
(Un)Satisfiability was proved
Number of variables100
Number of constraints800
Maximum constraint arity11
Maximum domain size2
Number of constraints which are defined in extension800
Number of constraints which are defined in intension0
Global constraints used (with number of constraints)

Solver Data (download as text)

0.29	   
0.30	Abscon 109 (November, 2006)
0.30	   
0.30	   configuration
0.30	     name=mac.xml
0.33	   
0.33	   instance
0.33	     name=/tmp/evaluation/244533-1168085697/unknown.xml
0.36	   
0.36	   domains being loaded...
0.37	   
0.37	   variables being loaded...
0.40	     nbVariables=100  nbDomainTypes=1  minDomainSize=2  maxDomainSize=2
0.40	       =>  wckTime=0.1  cpuTime=0.08  mem=6M951
0.40	   
0.40	   relations being loaded...
0.44	   
0.44	   constraints being loaded...
0.60	     nbConstraints=800  nbRelationTypes=216  nbExtensionStructures=216  nbSharedExtensionStructures=584
0.60	     nbConflictsStructures=216  nbSharedConflictsStructures=584  nbSharedBinaryRepresentations=13  maxDegree=55
0.60	     maxArity=11
0.60	       =>  wckTime=0.307  cpuTime=0.21  mem=10M852
0.65	   
0.65	   solver IterativeSystematicSolver being built... 
0.85	       =>  wckTime=0.552  cpuTime=0.37  mem=22M99
0.87	   
0.87	   preprocessing
0.87	     nbConstraintChecks=0  nbPropagations=100  nbRevisions=0  nbUselessRevisions=0  nbRemovedValues=0
0.87	     detectedInconsistency=no
0.87	       =>  wckTime=0.014  cpuTime=0.0  mem=22M99
0.92	   
0.92	   search
0.92	     run=0  nbConstraintChecks=854  nbValidityChecks=392  nbPropagations=257  nbRevisions=1055  nbUselessRevisions=869
0.92	     nbAssignments=35  nbFailedAssignments=4  nbBacktracks=24  nbVisitedNodes=44  nbRestartNogoods=0  mapSize=7
0.92	     nbInferences=0  nbTooLargeKeys=0
0.92	       =>  wckTime=0.07  cpuTime=0.04  mem=22M99
0.94	   
0.94	   search
0.94	     run=1  nbConstraintChecks=1264  nbValidityChecks=616  nbPropagations=605  nbRevisions=2524  nbUselessRevisions=2045
0.94	     nbAssignments=69  nbFailedAssignments=6  nbBacktracks=45  nbVisitedNodes=84  nbRestartNogoods=1  mapSize=12
0.94	     nbInferences=0  nbTooLargeKeys=0
0.94	       =>  wckTime=0.086  cpuTime=0.05  mem=22M99
0.97	   
0.97	   search
0.97	     run=2  nbConstraintChecks=2654  nbValidityChecks=1757  nbPropagations=1189  nbRevisions=5951
0.97	     nbUselessRevisions=4886  nbAssignments=121  nbFailedAssignments=10  nbBacktracks=88  nbVisitedNodes=146
0.97	     nbRestartNogoods=2  mapSize=21  nbInferences=0  nbTooLargeKeys=0
0.97	       =>  wckTime=0.12  cpuTime=0.08  mem=22M99
0.99	   
0.99	   search
0.99	     run=3  nbConstraintChecks=3643  nbValidityChecks=2542  nbPropagations=1996  nbRevisions=10570
0.99	     nbUselessRevisions=8649  nbAssignments=168  nbFailedAssignments=14  nbBacktracks=126  nbVisitedNodes=202
0.99	     nbRestartNogoods=3  mapSize=28  nbInferences=0  nbTooLargeKeys=0
0.99	       =>  wckTime=0.141  cpuTime=0.1  mem=22M99
1.02	   
1.02	   search
1.02	     run=4  nbConstraintChecks=4848  nbValidityChecks=3776  nbPropagations=3057  nbRevisions=17075
1.02	     nbUselessRevisions=13987  nbAssignments=240  nbFailedAssignments=18  nbBacktracks=180  nbVisitedNodes=284
1.02	     nbRestartNogoods=5  mapSize=36  nbInferences=0  nbTooLargeKeys=0
1.02	       =>  wckTime=0.166  cpuTime=0.13  mem=22M99
1.06	   
1.06	   search
1.06	     run=5  nbConstraintChecks=6769  nbValidityChecks=5661  nbPropagations=4475  nbRevisions=26305
1.06	     nbUselessRevisions=21636  nbAssignments=344  nbFailedAssignments=25  nbBacktracks=268  nbVisitedNodes=405
1.06	     nbRestartNogoods=7  mapSize=52  nbInferences=0  nbTooLargeKeys=0
1.06	       =>  wckTime=0.206  cpuTime=0.17  mem=22M99
1.10	   
1.10	   search
1.10	     run=6  nbConstraintChecks=9021  nbValidityChecks=7454  nbPropagations=6354  nbRevisions=38218
1.10	     nbUselessRevisions=31415  nbAssignments=469  nbFailedAssignments=35  nbBacktracks=381  nbVisitedNodes=552
1.10	     nbRestartNogoods=8  mapSize=72  nbInferences=0  nbTooLargeKeys=0
1.10	       =>  wckTime=0.249  cpuTime=0.21  mem=22M99
1.11	   
1.11	   search
1.11	     run=7  nbConstraintChecks=9625  nbValidityChecks=7937  nbPropagations=8370  nbRevisions=50831
1.11	     nbUselessRevisions=41720  nbAssignments=516  nbFailedAssignments=38  nbBacktracks=426  nbVisitedNodes=605
1.11	     nbRestartNogoods=9  mapSize=78  nbInferences=0  nbTooLargeKeys=0
1.11	       =>  wckTime=0.262  cpuTime=0.22  mem=23M74
1.11	   
1.11	   global
1.11	     nbConstraintChecks=9625  nbValidityChecks=7937  nbPropagations=8470  nbRevisions=50831  nbUselessRevisions=41720
1.11	     nbRestartNogoods=9  solvingWckTime=0.263  solvingCpuTime=0.22  expiredTime=no  totalExploration=yes
1.11	     nbFoundSolutions=0  globalCpuTime=0.65
1.11	       =>  wckTime=0.817  cpuTime=0.59  mem=23M74
1.12	   
1.12	s UNSATISFIABLE
1.12	d NODES 516
1.12	d CHECKS 9625
1.12	   
1.12	   totalWckTime=0.893  totalCpuTime=0.65

Verifier Data (download as text)

No possible verification on an UNSAT instance

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node2/watcher-244533-1168085697 -o ROOT/results/node2/solver-244533-1168085697 -C 1800 -M 900 java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/244533-1168085697/unknown.xml 

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: 1.00 1.13 1.46 3/93 7523
/proc/meminfo: memFree=1203760/2055920 swapFree=4191880/4192956
[pid=7522] ppid=7520 vsize=172 CPUtime=0
/proc/7522/stat : 7522 (java) R 7520 7522 7287 0 -1 0 217 0 0 0 0 0 0 0 18 0 1 0 156967291 176128 24 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 10535716 0 0 4096 0 0 0 0 17 0 0 0
/proc/7522/statm: 43 24 18 14 0 3 0

[startup+0.108472 s]
/proc/loadavg: 1.00 1.13 1.46 3/93 7523
/proc/meminfo: memFree=1203760/2055920 swapFree=4191880/4192956
[pid=7522] ppid=7520 vsize=914988 CPUtime=0.09
/proc/7522/stat : 7522 (java) R 7520 7522 7287 0 -1 0 3053 0 1 0 8 1 0 0 22 0 8 0 156967291 936947712 2799 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/7522/statm: 228747 2800 1448 14 0 215242 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 914988

[startup+0.516545 s]
/proc/loadavg: 1.00 1.13 1.46 3/93 7523
/proc/meminfo: memFree=1203760/2055920 swapFree=4191880/4192956
[pid=7522] ppid=7520 vsize=915328 CPUtime=0.48
/proc/7522/stat : 7522 (java) R 7520 7522 7287 0 -1 0 6467 0 1 0 44 4 0 0 24 0 8 0 156967291 937295872 6206 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4073651208 0 4 0 23759 18446744073709551615 0 0 17 0 0 0
/proc/7522/statm: 228832 6206 2137 14 0 215302 0
Current children cumulated CPU time (s) 0.48
Current children cumulated vsize (KiB) 915328

Child status: 0
Real time (s): 1.181
CPU time (s): 1.10583
CPU user time (s): 1.02384
CPU system time (s): 0.081987
CPU usage (%): 93.635
Max. virtual memory (cumulated for all children) (KiB): 915556

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.02384
system time used= 0.081987
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 10596
page faults= 1
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 1170
involuntary context switches= 1272

runsolver used 0.005999 s user time and 0.011998 s system time

The end

Launcher Data (download as text)

Begin job on node2 on Sat Jan  6 12:15:07 UTC 2007


IDJOB= 244533
IDBENCH= 8484
FILE ID= node2/244533-1168085697

PBS_JOBID= 3476313

Free space on /tmp= 66323 MiB

BENCH NAME= HOME/pub/bench/CPAI06/dimacs/jnhUnsat/jnh215_ext.xml
COMMAND LINE= java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/244533-1168085697/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node2/watcher-244533-1168085697 -o ROOT/results/node2/solver-244533-1168085697 -C 1800 -M 900  java -Xms756M -Xmx756M -XX:PermSize=10m -XX:MaxPermSize=10m -jar abscon109.jar mac.xml 1 XSax /tmp/evaluation/244533-1168085697/unknown.xml

META MD5SUM SOLVER= 9b91398c18c9fe54a6c4cfb50dadce08
MD5SUM BENCH=  cc494a85bdbb1622a7dbd2d18b618861

RANDOM SEED= 766446250

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	: 5931.00
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:       1204368 kB
Buffers:         61176 kB
Cached:         596660 kB
SwapCached:        268 kB
Active:         225652 kB
Inactive:       530628 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1204368 kB
SwapTotal:     4192956 kB
SwapFree:      4191880 kB
Dirty:            1744 kB
Writeback:           0 kB
Mapped:         126712 kB
Slab:            79676 kB
Committed_AS:  4364812 kB
PageTables:       2516 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= 66323 MiB



End job on node2 on Sat Jan  6 12:15:24 UTC 2007