Trace number 331437

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
CMUSAT 2007-02-08? (MO) 32.2181 32.2385

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug7.cnf
MD5SUM6dcc1a7a687db45349fbaf9870c73e4b
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark39.631
Satisfiable
(Un)Satisfiability was proved
Number of variables521147
Number of clauses13378010
Sum of the clauses size39203144
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28714054
Number of clauses of size 34209318
Number of clauses of size 425258
Number of clauses of size 515651
Number of clauses of size over 5413728

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  521147                                               |
9.38/9.44	c |  Number of clauses:    13378010                                             |

Verifier Data (download as text)

ERROR: Unexpected answer ! (SATISFIABLE/UNSATISFIABLE expected)
Got answer:

Watcher Data (download as text)

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

command line: runsolver --timestamp -w ROOT/results/node63/watcher-331437-1173184242 -o ROOT/results/node63/solver-331437-1173184242 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/331437-1173184242/cmusat /tmp/evaluation/331437-1173184242/instance-331437-1173184242.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: 1.42 1.14 1.05 3/64 14325
/proc/meminfo: memFree=1576688/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=2320 CPUtime=0
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 431 0 0 0 0 0 0 0 18 0 1 0 338383443 2375680 414 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 580 414 97 243 0 334 0

[startup+0.0259769 s]
/proc/loadavg: 1.42 1.14 1.05 3/64 14325
/proc/meminfo: memFree=1576688/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=4024 CPUtime=0.01
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 824 0 0 0 1 0 0 0 18 0 1 0 338383443 4120576 807 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134549008 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 1006 807 97 243 0 760 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 4024

[startup+0.102986 s]
/proc/loadavg: 1.42 1.14 1.05 3/64 14325
/proc/meminfo: memFree=1576688/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=9868 CPUtime=0.1
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 2158 0 0 0 8 2 0 0 18 0 1 0 338383443 10104832 2141 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 2467 2142 97 243 0 2221 0
Current children cumulated CPU time (s) 0.1
Current children cumulated vsize (KiB) 9868

[startup+0.302007 s]
/proc/loadavg: 1.42 1.14 1.05 3/64 14325
/proc/meminfo: memFree=1576688/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=22708 CPUtime=0.29
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 5362 0 0 0 26 3 0 0 19 0 1 0 338383443 23252992 5345 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 5677 5345 97 243 0 5431 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 22708

[startup+0.701059 s]
/proc/loadavg: 1.42 1.14 1.05 3/64 14325
/proc/meminfo: memFree=1576688/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=49296 CPUtime=0.69
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 11972 0 0 0 61 8 0 0 23 0 1 0 338383443 50479104 11955 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135090882 0 0 4096 35 0 0 0 17 0 0 0
/proc/14325/statm: 12324 11955 97 243 0 12078 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 49296

[startup+1.50113 s]
/proc/loadavg: 1.42 1.14 1.05 2/66 14327
/proc/meminfo: memFree=1509280/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=101768 CPUtime=1.48
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 24608 0 0 0 131 17 0 0 25 0 1 0 338383443 104210432 24591 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 25442 24592 97 243 0 25196 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 101768

[startup+3.1013 s]
/proc/loadavg: 1.42 1.14 1.05 2/66 14327
/proc/meminfo: memFree=1442272/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=203836 CPUtime=3.08
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 48912 0 0 0 275 33 0 0 25 0 1 0 338383443 208728064 48895 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134548958 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 50959 48896 97 243 0 50713 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 203836

[startup+6.30164 s]
/proc/loadavg: 1.47 1.15 1.05 2/66 14327
/proc/meminfo: memFree=1248096/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=408888 CPUtime=6.28
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 96676 0 0 0 565 63 0 0 25 0 1 0 338383443 418701312 96659 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135095640 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 102222 96659 97 243 0 101976 0
Current children cumulated CPU time (s) 6.28
Current children cumulated vsize (KiB) 408888

[startup+12.7013 s]
/proc/loadavg: 1.43 1.15 1.05 2/65 14327
/proc/meminfo: memFree=825000/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=770464 CPUtime=12.67
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 191160 0 0 0 1162 105 0 0 25 0 1 0 338383443 788955136 187276 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135090670 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 192616 187276 108 243 0 192370 0
Current children cumulated CPU time (s) 12.67
Current children cumulated vsize (KiB) 770464

[startup+25.5017 s]
/proc/loadavg: 1.34 1.14 1.05 2/65 14327
/proc/meminfo: memFree=715752/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=868912 CPUtime=25.47
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 246860 0 0 0 2420 127 0 0 25 0 1 0 338383443 889765888 217008 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134553354 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 217228 217008 111 243 0 216982 0
Current children cumulated CPU time (s) 25.47
Current children cumulated vsize (KiB) 868912



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+32.0014 s]
/proc/loadavg: 1.31 1.14 1.05 2/65 14327
/proc/meminfo: memFree=99048/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=1887388 CPUtime=31.98
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4194304 400155 0 0 0 3013 185 0 0 25 0 1 0 338383443 1932685312 369256 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134560494 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 471847 369263 113 243 0 471601 0
Current children cumulated CPU time (s) 31.98
Current children cumulated vsize (KiB) 1887388

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

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

[startup+32.2014 s]
/proc/loadavg: 1.31 1.14 1.05 2/65 14327
/proc/meminfo: memFree=99048/2055920 swapFree=4183284/4192956
[pid=14325] ppid=14323 vsize=0 CPUtime=32.17
/proc/14325/stat : 14325 (cmusat) R 14323 14325 13396 0 -1 4195332 400200 0 0 0 3013 204 0 0 25 0 1 0 338383443 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 35 0 0 0 17 1 0 0
/proc/14325/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 32.17
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 32.2385
CPU time (s): 32.2181
CPU user time (s): 30.1354
CPU system time (s): 2.08268
CPU usage (%): 99.9368
Max. virtual memory (cumulated for all children) (KiB): 1887388

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 30.1354
system time used= 2.08268
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 400200
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= 76

runsolver used 0.034994 second user time and 0.070989 second system time

The end

Launcher Data (download as text)

Begin job on node63 on Tue Mar  6 12:31:01 UTC 2007

IDJOB= 331437
IDBENCH= 20587
IDSOLVER= 121
FILE ID= node63/331437-1173184242

PBS_JOBID= 4015273

Free space on /tmp= 66153 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug7.cnf
COMMAND LINE= /tmp/evaluation/331437-1173184242/cmusat /tmp/evaluation/331437-1173184242/instance-331437-1173184242.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node63/watcher-331437-1173184242 -o ROOT/results/node63/solver-331437-1173184242 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/331437-1173184242/cmusat /tmp/evaluation/331437-1173184242/instance-331437-1173184242.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  6dcc1a7a687db45349fbaf9870c73e4b

RANDOM SEED= 504500089

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node63.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		: 3000.214
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		: 3000.214
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:       1577096 kB
Buffers:          1616 kB
Cached:         368132 kB
SwapCached:       3368 kB
Active:         400664 kB
Inactive:        16084 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1577096 kB
SwapTotal:     4192956 kB
SwapFree:      4183284 kB
Dirty:          247908 kB
Writeback:           0 kB
Mapped:          53272 kB
Slab:            47960 kB
Committed_AS:   835196 kB
PageTables:       1548 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= 66153 MiB

End job on node63 on Tue Mar  6 12:31:35 UTC 2007