Trace number 1796548

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
ReVivAl 0.23 2009-03-18UNSAT 3.18751 3.19373

General information on the benchmark

Namecmu-bmc-barrel6.cnf
MD5SUMcc87f90bf08e13838e59f0f2639db121
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark2.68759
Satisfiable
(Un)Satisfiability was proved
Number of variables2306
Number of clauses8931
Sum of the clauses size24664
Maximum clause length217
Minimum clause length2
Number of clauses of size 10
Number of clauses of size 22629
Number of clauses of size 36048
Number of clauses of size 4252
Number of clauses of size 50
Number of clauses of size over 52

Solver Data 

0.00/0.00	c revival is preprocessing the formula...#ITERATIONS 3
0.19/0.25	#LEARNT CLAUSES 0
0.19/0.26	done !
0.19/0.26	c Calling MINISAT
0.19/0.26	This is MiniSat 2.0 beta
0.19/0.26	WARNING: for repeatability, setting FPU to use double precision
0.19/0.26	============================[ Problem Statistics ]=============================
0.19/0.26	|                                                                             |
0.19/0.26	|  Number of variables:  2306                                                 |
0.19/0.26	|  Number of clauses:    8374                                                 |
0.19/0.27	|  Parsing time:         0.00         s                                       |
0.19/0.27	============================[ Search Statistics ]==============================
0.19/0.27	| Conflicts |          ORIGINAL         |          LEARNT          | Progress |
0.19/0.27	|           |    Vars  Clauses Literals |    Limit  Clauses Lit/Cl |          |
0.19/0.27	===============================================================================
0.19/0.27	|         0 |    1966     8029    21726 |     2676        0    nan |  0.000 % |
0.19/0.28	|       101 |    1966     8029    21726 |     2943      101     85 | 14.744 % |
0.19/0.29	|       251 |    1966     8029    21726 |     3238      251     80 | 14.744 % |
0.25/0.33	|       477 |    1966     8029    21726 |     3562      477     67 | 14.744 % |
0.25/0.37	|       815 |    1966     8029    21726 |     3918      815     52 | 14.744 % |
0.25/0.44	|      1321 |    1966     8029    21726 |     4310     1321     53 | 14.744 % |
0.25/0.58	|      2080 |    1966     8029    21726 |     4741     2080     60 | 14.744 % |
0.25/0.76	|      3220 |    1966     8029    21726 |     5215     3220     63 | 14.744 % |
0.98/1.05	|      4929 |    1966     8029    21726 |     5736     4929     61 | 14.744 % |
1.37/1.49	|      7494 |    1966     8029    21726 |     6310     4326     46 | 14.744 % |
2.08/2.13	|     11338 |    1966     8029    21726 |     6941     4740     41 | 14.744 % |
2.97/3.04	|     17104 |    1938     7361    19830 |     7635     3061     24 | 15.960 % |
3.07/3.19	===============================================================================
3.07/3.19	restarts              : 12
3.07/3.19	conflicts             : 18120          (6209 /sec)
3.07/3.19	decisions             : 73033          (1.24 % random) (25024 /sec)
3.07/3.19	propagations          : 6832924        (2341200 /sec)
3.07/3.19	conflict literals     : 894731         (43.87 % deleted)
3.07/3.19	Memory used           : 3.94 MB
3.07/3.19	CPU time              : 2.91856 s
3.07/3.19	
3.07/3.19	UNSATISFIABLE
3.07/3.19	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1796548-1242077302/watcher-1796548-1242077302 -o /tmp/evaluation-result-1796548-1242077302/solver-1796548-1242077302 -C 1200 -W 1800 -M 1800 HOME/run.sh HOME/instance-1796548-1242077302.cnf HOME 

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): 1800 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
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3153
/proc/meminfo: memFree=905224/2055920 swapFree=4179680/4192956
[pid=3153] ppid=3151 vsize=5360 CPUtime=0
/proc/3153/stat : 3153 (run.sh) S 3151 3153 2865 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 235757062 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251255120708 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3153/statm: 1340 237 196 169 0 51 0
[pid=3154] ppid=3153 vsize=1748 CPUtime=0
/proc/3154/stat : 3154 (revival) R 3153 3153 2865 0 -1 4194304 199 0 0 0 0 0 0 0 19 0 1 0 235757063 1789952 166 1992294400 134512640 134537284 4294956368 18446744073709551615 134527056 0 0 4096 0 0 0 0 17 0 0 0
/proc/3154/statm: 437 166 82 6 0 75 0

[startup+0.0325959 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3153
/proc/meminfo: memFree=905224/2055920 swapFree=4179680/4192956
[pid=3153] ppid=3151 vsize=5360 CPUtime=0
/proc/3153/stat : 3153 (run.sh) S 3151 3153 2865 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 235757062 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251255120708 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3153/statm: 1340 237 196 169 0 51 0
[pid=3154] ppid=3153 vsize=2160 CPUtime=0.02
/proc/3154/stat : 3154 (revival) R 3153 3153 2865 0 -1 4194304 316 0 0 0 2 0 0 0 19 0 1 50000 235757063 2211840 248 1992294400 134512640 134537284 4294956368 18446744073709551615 134516690 0 0 4096 8192 0 0 0 17 0 0 0
/proc/3154/statm: 540 248 85 6 0 178 0
Current children cumulated CPU time (s) 0.02
Current children cumulated vsize (KiB) 7520

[startup+0.101604 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3153
/proc/meminfo: memFree=905224/2055920 swapFree=4179680/4192956
[pid=3153] ppid=3151 vsize=5360 CPUtime=0
/proc/3153/stat : 3153 (run.sh) S 3151 3153 2865 0 -1 4194304 286 0 0 0 0 0 0 0 18 0 1 0 235757062 5488640 237 1992294400 4194304 4889804 548682068784 18446744073709551615 251255120708 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3153/statm: 1340 237 196 169 0 51 0
[pid=3154] ppid=3153 vsize=2160 CPUtime=0.09
/proc/3154/stat : 3154 (revival) R 3153 3153 2865 0 -1 4194304 316 0 0 0 9 0 0 0 19 0 1 50000 235757063 2211840 248 1992294400 134512640 134537284 4294956368 18446744073709551615 134531257 0 0 4096 8192 0 0 0 17 0 0 0
/proc/3154/statm: 540 248 85 6 0 178 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 7520

[startup+0.301628 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3153
/proc/meminfo: memFree=905224/2055920 swapFree=4179680/4192956
[pid=3153] ppid=3151 vsize=5360 CPUtime=0.25
/proc/3153/stat : 3153 (run.sh) S 3151 3153 2865 0 -1 4194304 312 331 0 0 0 0 25 0 17 0 1 0 235757062 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251255120708 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3153/statm: 1340 238 197 169 0 51 0
Current children cumulated CPU time (s) 0.25
Current children cumulated vsize (KiB) 5360

[startup+0.701673 s]
/proc/loadavg: 0.99 0.98 0.99 3/64 3153
/proc/meminfo: memFree=905224/2055920 swapFree=4179680/4192956
[pid=3153] ppid=3151 vsize=5360 CPUtime=0.25
/proc/3153/stat : 3153 (run.sh) S 3151 3153 2865 0 -1 4194304 312 331 0 0 0 0 25 0 17 0 1 0 235757062 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251255120708 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3153/statm: 1340 238 197 169 0 51 0
Current children cumulated CPU time (s) 0.25
Current children cumulated vsize (KiB) 5360

[startup+1.50276 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 3156
/proc/meminfo: memFree=902776/2055920 swapFree=4179680/4192956
[pid=3153] ppid=3151 vsize=5360 CPUtime=0.25
/proc/3153/stat : 3153 (run.sh) S 3151 3153 2865 0 -1 4194304 312 331 0 0 0 0 25 0 17 0 1 0 235757062 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251255120708 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3153/statm: 1340 238 197 169 0 51 0
[pid=3156] ppid=3153 vsize=4028 CPUtime=1.22
/proc/3156/stat : 3156 (minisat) R 3153 3153 2865 0 -1 4194304 693 0 0 0 122 0 0 0 25 0 1 0 235757089 4124672 679 1992294400 134512640 135212939 4294956240 18446744073709551615 134526608 0 0 4096 3 0 0 0 17 0 0 0
/proc/3156/statm: 1007 679 77 170 0 835 0
Current children cumulated CPU time (s) 1.47
Current children cumulated vsize (KiB) 9388

[startup+3.10193 s]
/proc/loadavg: 0.99 0.98 0.99 2/66 3156
/proc/meminfo: memFree=902264/2055920 swapFree=4179680/4192956
[pid=3153] ppid=3151 vsize=5360 CPUtime=0.25
/proc/3153/stat : 3153 (run.sh) S 3151 3153 2865 0 -1 4194304 312 331 0 0 0 0 25 0 17 0 1 0 235757062 5488640 238 1992294400 4194304 4889804 548682068784 18446744073709551615 251255120708 0 65536 4100 65538 18446744071563356171 0 0 17 0 0 0
/proc/3153/statm: 1340 238 197 169 0 51 0
[pid=3156] ppid=3153 vsize=4028 CPUtime=2.82
/proc/3156/stat : 3156 (minisat) R 3153 3153 2865 0 -1 4194304 694 0 0 0 282 0 0 0 25 0 1 0 235757089 4124672 680 1992294400 134512640 135212939 4294956240 18446744073709551615 134538820 0 0 4096 3 0 0 0 17 0 0 0
/proc/3156/statm: 1007 680 77 170 0 835 0
Current children cumulated CPU time (s) 3.07
Current children cumulated vsize (KiB) 9388

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

Child status: 20
Real time (s): 3.19373
CPU time (s): 3.18751
CPU user time (s): 3.18052
CPU system time (s): 0.006998
CPU usage (%): 99.8053
Max. virtual memory (cumulated for all children) (KiB): 9388

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 3.18052
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= 1362
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= 8
involuntary context switches= 36

runsolver used 0.008998 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node64 at 2009-05-11 23:28:22
IDJOB=1796548
IDBENCH=69564
IDSOLVER=649
FILE ID=node64/1796548-1242077302
PBS_JOBID= 9277639
Free space on /tmp= 66372 MiB

SOLVER NAME= ReVivAl 0.23 2009-03-18
BENCH NAME= SAT_RACE08/cnf/cmu-bmc-barrel6.cnf
COMMAND LINE= HOME/run.sh BENCHNAME TMPDIR
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1796548-1242077302/watcher-1796548-1242077302 -o /tmp/evaluation-result-1796548-1242077302/solver-1796548-1242077302 -C 1200 -W 1800 -M 1800  HOME/run.sh HOME/instance-1796548-1242077302.cnf HOME

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= cc87f90bf08e13838e59f0f2639db121
RANDOM SEED=790239307

node64.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		: 3000.218
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		: 3000.218
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:        905640 kB
Buffers:         61896 kB
Cached:         999392 kB
SwapCached:       6516 kB
Active:          45084 kB
Inactive:      1025524 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        905640 kB
SwapTotal:     4192956 kB
SwapFree:      4179680 kB
Dirty:            1712 kB
Writeback:           0 kB
Mapped:          14956 kB
Slab:            65388 kB
Committed_AS:   664608 kB
PageTables:       1392 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264960 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66372 MiB
End job on node64 at 2009-05-11 23:28:25