Trace number 211911

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
CSPtoSAT+minisat 0.3? (MO) 137.945 138.149

General information on the benchmark

NamepseudoSeries/mpsReduced/
mps-red-ran10x10a.xml
MD5SUM6b586106488f2eac3e8c2ef302aa9f84
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 benchmark13.52
SatisfiableYES
(Un)Satisfiability was provedYES
Number of variables3100
Number of constraints140
Maximum constraint arity300
Maximum domain size2
Number of constraints which are defined in extension0
Number of constraints which are defined in intension140
Global constraints used (with number of constraints)

Solver Data (download as text)

0.01	c This is CSPtoSAT+minisat version 0.3
0.01	c (c) 2006 roussel@cril.univ-artois.fr
0.01	
0.01	c This solver internally uses a modified version of MiniSat2 version 061112
0.01	c MiniSat -- Copyright (c) 2003-2006, Niklas Een, Niklas Sorensson
0.01	
0.01	c parsing...
1.18	c ...done
1.18	c #SATvar=4732 #SATclauses=3260 #CSPpredicates=140

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/node26/watcher-211911-1168063195 -o ROOT/results/node26/solver-211911-1168063195 -C 1800 -M 900 /tmp/evaluation/211911-1168063195/CSPtoSAT+minisat /tmp/evaluation/211911-1168063195/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: 1.92 1.95 1.84 4/86 17792
/proc/meminfo: memFree=1238320/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=6696 CPUtime=0
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 403 0 0 0 0 0 0 0 18 0 1 0 154714051 6856704 383 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 12561272 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 1674 389 359 52 0 30 0

[startup+0.108431 s]
/proc/loadavg: 1.92 1.95 1.84 4/86 17792
/proc/meminfo: memFree=1238320/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=7784 CPUtime=0.1
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 1051 0 0 0 10 0 0 0 18 0 1 0 154714051 7970816 1019 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 4159319057 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 1946 1019 698 52 0 314 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 7784

[startup+0.517467 s]
/proc/loadavg: 1.92 1.95 1.84 4/86 17792
/proc/meminfo: memFree=1238320/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=10484 CPUtime=0.5
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 1705 0 0 0 50 0 0 0 21 0 1 0 154714051 10735616 1673 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 4159310424 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 2621 1673 704 52 0 989 0
Current children cumulated CPU time (s) 0.5
Current children cumulated vsize (KiB) 10484

[startup+1.34555 s]
/proc/loadavg: 1.92 1.95 1.84 3/86 17792
/proc/meminfo: memFree=1234288/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=11112 CPUtime=1.33
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 1946 0 0 0 133 0 0 0 25 0 1 0 154714051 11378688 1888 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134630829 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 2778 1888 720 52 0 1146 0
Current children cumulated CPU time (s) 1.33
Current children cumulated vsize (KiB) 11112

[startup+2.9867 s]
/proc/loadavg: 1.92 1.95 1.84 3/86 17792
/proc/meminfo: memFree=1223344/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=26160 CPUtime=2.98
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 5691 0 0 0 295 3 0 0 25 0 1 0 154714051 26787840 5633 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 134630877 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 6540 5633 720 52 0 4908 0
Current children cumulated CPU time (s) 2.98
Current children cumulated vsize (KiB) 26160

[startup+6.26501 s]
/proc/loadavg: 1.93 1.95 1.84 3/86 17792
/proc/meminfo: memFree=1199224/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=49264 CPUtime=6.25
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 11468 0 0 0 618 7 0 0 25 0 1 0 154714051 50446336 11410 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 13026939 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 12316 11410 720 52 0 10684 0
Current children cumulated CPU time (s) 6.25
Current children cumulated vsize (KiB) 49264

[startup+12.7316 s]
/proc/loadavg: 1.93 1.95 1.84 3/86 17792
/proc/meminfo: memFree=1150528/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=94672 CPUtime=12.72
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 22810 0 0 0 1258 14 0 0 25 0 1 0 154714051 96944128 22752 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 13026939 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 23668 22752 720 52 0 22036 0
Current children cumulated CPU time (s) 12.72
Current children cumulated vsize (KiB) 94672

[startup+25.5458 s]
/proc/loadavg: 1.95 1.96 1.84 3/86 17792
/proc/meminfo: memFree=1061312/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=184176 CPUtime=25.53
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 45195 0 0 0 2524 29 0 0 25 0 1 0 154714051 188596224 45137 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 13026939 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 46044 45137 720 52 0 44412 0
Current children cumulated CPU time (s) 25.53
Current children cumulated vsize (KiB) 184176

[startup+51.1912 s]
/proc/loadavg: 1.96 1.96 1.85 3/86 17792
/proc/meminfo: memFree=876544/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=363060 CPUtime=51.17
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 89913 0 0 0 5062 55 0 0 25 0 1 0 154714051 371773440 89855 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 13026939 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 90765 89856 720 52 0 89133 0
Current children cumulated CPU time (s) 51.17
Current children cumulated vsize (KiB) 363060

[startup+102.491 s]
/proc/loadavg: 1.98 1.96 1.85 3/92 17928
/proc/meminfo: memFree=530856/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=701528 CPUtime=102.32
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 174536 0 0 0 10129 103 0 0 25 0 1 0 154714051 718364672 174478 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 13026939 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 175382 174478 720 52 0 173750 0
Current children cumulated CPU time (s) 102.32
Current children cumulated vsize (KiB) 701528



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+138.002 s]
/proc/loadavg: 1.99 1.97 1.85 3/92 17958
/proc/meminfo: memFree=297920/2055920 swapFree=4192812/4192956
[pid=17791] ppid=17789 vsize=922136 CPUtime=137.8
/proc/17791/stat : 17791 (CSPtoSAT+minisa) R 17789 17791 17491 0 -1 4194304 229668 0 0 0 13642 138 0 0 25 0 1 0 154714051 944267264 229610 18446744073709551615 134512640 134728504 4294956624 18446744073709551615 13026939 0 0 4096 0 0 0 0 17 1 0 0
/proc/17791/statm: 230534 229610 720 52 0 228902 0
Current children cumulated CPU time (s) 137.8
Current children cumulated vsize (KiB) 922136

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

Child ended because it received signal 15 (SIGTERM)
Real time (s): 138.149
CPU time (s): 137.945
CPU user time (s): 136.421
CPU system time (s): 1.52377
CPU usage (%): 99.8526
Max. virtual memory (cumulated for all children) (KiB): 922136

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 136.421
system time used= 1.52377
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 229669
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= 11
involuntary context switches= 604

runsolver used 0.12798 s user time and 0.441932 s system time

The end

Launcher Data (download as text)

Begin job on node26 on Sat Jan  6 05:59:56 UTC 2007


IDJOB= 211911
IDBENCH= 4730
FILE ID= node26/211911-1168063195

PBS_JOBID= 3475588

Free space on /tmp= 66533 MiB

BENCH NAME= HOME/pub/bench/CPAI06/pseudoSeries/mpsReduced/mps-red-ran10x10a.xml
COMMAND LINE= /tmp/evaluation/211911-1168063195/CSPtoSAT+minisat /tmp/evaluation/211911-1168063195/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node26/watcher-211911-1168063195 -o ROOT/results/node26/solver-211911-1168063195 -C 1800 -M 900  /tmp/evaluation/211911-1168063195/CSPtoSAT+minisat /tmp/evaluation/211911-1168063195/unknown.xml

META MD5SUM SOLVER= 0ab327eaa5be249b47b2f4b19927f0b0
MD5SUM BENCH=  6b586106488f2eac3e8c2ef302aa9f84

RANDOM SEED= 481736669

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:       1239184 kB
Buffers:         41008 kB
Cached:         544812 kB
SwapCached:          0 kB
Active:         222244 kB
Inactive:       517480 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1239184 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:            1952 kB
Writeback:           0 kB
Mapped:         176308 kB
Slab:            61748 kB
Committed_AS:  2814224 kB
PageTables:       2400 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= 66533 MiB



End job on node26 on Sat Jan  6 06:02:16 UTC 2007