Trace number 332304

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
tinisat 2007-02-08SAT 8.77267 8.77613

General information on the benchmark

Namecrafted/Medium/contest05/sabharwal/
sat-strips-gripper-10t19.sat05-1143.reshuffled-07.cnf
MD5SUM5f1638b2d73ac0a792b4a7e3c6c55623
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.14682
Satisfiable
(Un)Satisfiability was proved
Number of variables3390
Number of clauses53225
Sum of the clauses size108346
Maximum clause length22
Minimum clause length1
Number of clauses of size 137
Number of clauses of size 252453
Number of clauses of size 393
Number of clauses of size 4610
Number of clauses of size 50
Number of clauses of size over 532

Solver Data (download as text)

0.00/0.06	c Tinisat 0.22
0.00/0.06	c solving /tmp/evaluation/332304-1173473347/instance-332304-1173473347.cnf
0.00/0.06	c 3390 variables, 53225 clauses
8.69/8.77	s SATISFIABLE
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8.69/8.77	c 67831 decisions, 34345 conflicts, 30 restarts
8.69/8.77	c solved in 8.77s

Verifier Data (download as text)

OK

Watcher Data (download as text)

runsolver version 3.2.1 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node16/watcher-332304-1173473347 -o ROOT/results/node16/solver-332304-1173473347 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/332304-1173473347/tinisat /tmp/evaluation/332304-1173473347/instance-332304-1173473347.cnf 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 2400 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 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: 0.92 0.98 0.97 3/77 10416
/proc/meminfo: memFree=1738280/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=1132 CPUtime=0
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 96 0 0 0 0 0 0 0 18 0 1 0 367289067 1159168 81 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134612771 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 283 81 48 110 0 170 0

[startup+0.0895471 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 10416
/proc/meminfo: memFree=1738280/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=4132 CPUtime=0.08
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 758 0 0 0 8 0 0 0 18 0 1 0 367289067 4231168 638 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519657 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 1033 638 52 110 0 920 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 4132

[startup+0.101544 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 10416
/proc/meminfo: memFree=1738280/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=4132 CPUtime=0.09
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 765 0 0 0 9 0 0 0 18 0 1 0 367289067 4231168 645 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519657 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 1033 645 52 110 0 920 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 4132

[startup+0.30152 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 10416
/proc/meminfo: memFree=1738280/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=4132 CPUtime=0.29
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 809 0 0 0 29 0 0 0 20 0 1 0 367289067 4231168 689 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519978 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 1033 689 52 110 0 920 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 4132

[startup+0.701473 s]
/proc/loadavg: 0.92 0.98 0.97 3/77 10416
/proc/meminfo: memFree=1738280/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=4132 CPUtime=0.69
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 954 0 0 0 69 0 0 0 23 0 1 0 367289067 4231168 834 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518744 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 1033 834 52 110 0 920 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 4132

[startup+1.50138 s]
/proc/loadavg: 0.92 0.98 0.97 2/78 10417
/proc/meminfo: memFree=1734688/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=6660 CPUtime=1.49
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 1186 0 0 0 149 0 0 0 25 0 1 0 367289067 6819840 1066 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134518744 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 1665 1066 52 110 0 1552 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 6660

[startup+3.10119 s]
/proc/loadavg: 0.92 0.98 0.97 2/78 10417
/proc/meminfo: memFree=1733472/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=6660 CPUtime=3.09
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 1581 0 0 0 309 0 0 0 25 0 1 0 367289067 6819840 1461 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520118 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 1665 1461 52 110 0 1552 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 6660

[startup+6.3018 s]
/proc/loadavg: 0.93 0.98 0.97 2/78 10417
/proc/meminfo: memFree=1730600/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=11712 CPUtime=6.29
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 2164 0 0 0 628 1 0 0 25 0 1 0 367289067 11993088 2044 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134520084 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 2928 2044 52 110 0 2815 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 11712

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

[startup+7.90261 s]
/proc/loadavg: 0.93 0.98 0.97 2/78 10417
/proc/meminfo: memFree=1729128/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=11712 CPUtime=7.89
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 2427 0 0 0 788 1 0 0 25 0 1 0 367289067 11993088 2307 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519934 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 2928 2307 52 110 0 2815 0
Current children cumulated CPU time (s) 7.89
Current children cumulated vsize (KiB) 11712

[startup+8.30156 s]
/proc/loadavg: 0.93 0.98 0.97 2/78 10417
/proc/meminfo: memFree=1729128/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=11712 CPUtime=8.29
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 2494 0 0 0 828 1 0 0 25 0 1 0 367289067 11993088 2374 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134516983 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 2928 2374 52 110 0 2815 0
Current children cumulated CPU time (s) 8.29
Current children cumulated vsize (KiB) 11712

[startup+8.70151 s]
/proc/loadavg: 0.93 0.98 0.97 2/78 10417
/proc/meminfo: memFree=1728488/2055920 swapFree=4159664/4192956
[pid=10416] ppid=10414 vsize=11712 CPUtime=8.69
/proc/10416/stat : 10416 (tinisat) R 10414 10416 9066 0 -1 4194304 2551 0 0 0 868 1 0 0 25 0 1 0 367289067 11993088 2431 18446744073709551615 134512640 134966189 4294956704 18446744073709551615 134519843 0 0 4096 0 0 0 0 17 1 0 0
/proc/10416/statm: 2928 2431 52 110 0 2815 0
Current children cumulated CPU time (s) 8.69
Current children cumulated vsize (KiB) 11712

Child status: 10
Real time (s): 8.77613
CPU time (s): 8.77267
CPU user time (s): 8.75767
CPU system time (s): 0.014997
CPU usage (%): 99.9605
Max. virtual memory (cumulated for all children) (KiB): 11712

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 8.75767
system time used= 0.014997
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 2569
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= 183

runsolver used 0.014997 second user time and 0.026995 second system time

The end

Launcher Data (download as text)

Begin job on node16 on Fri Mar  9 20:49:07 UTC 2007

IDJOB= 332304
IDBENCH= 24577
IDSOLVER= 100
FILE ID= node16/332304-1173473347

PBS_JOBID= 4101061

Free space on /tmp= 66442 MiB

SOLVER NAME= tinisat 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/crafted/Medium/contest05/sabharwal/sat-strips-gripper-10t19.sat05-1143.reshuffled-07.cnf
COMMAND LINE= /tmp/evaluation/332304-1173473347/tinisat /tmp/evaluation/332304-1173473347/instance-332304-1173473347.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node16/watcher-332304-1173473347 -o ROOT/results/node16/solver-332304-1173473347 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/332304-1173473347/tinisat /tmp/evaluation/332304-1173473347/instance-332304-1173473347.cnf            

META MD5SUM SOLVER= 15788d06198cf45d0201cced774790cd
MD5SUM BENCH=  5f1638b2d73ac0a792b4a7e3c6c55623

RANDOM SEED= 182925799

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node16.alineos.net 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005 x86_64 x86_64 x86_64 GNU/Linux

/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		: 3000.281
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		: 3000.281
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:       1738688 kB
Buffers:         39308 kB
Cached:         196252 kB
SwapCached:       2712 kB
Active:         129500 kB
Inactive:       129660 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1738688 kB
SwapTotal:     4192956 kB
SwapFree:      4159664 kB
Dirty:            1400 kB
Writeback:           0 kB
Mapped:          31036 kB
Slab:            43728 kB
Committed_AS:  1328124 kB
PageTables:       1720 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= 66442 MiB

End job on node16 on Fri Mar  9 20:49:16 UTC 2007