Trace number 331311

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) 32.1161 32.1486

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug10.cnf
MD5SUMb96b75461795057ef2d559ebb6ae2ba1
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark33.176
Satisfiable
(Un)Satisfiability was proved
Number of variables521182
Number of clauses13378625
Sum of the clauses size39204931
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28714562
Number of clauses of size 34209401
Number of clauses of size 425257
Number of clauses of size 515681
Number of clauses of size over 5413723

Solver Data (download as text)

0.00/0.00	c Pre-processing provided 0 assignments
0.00/0.00	c |  Number of variables:  521182                                               |
9.39/9.43	c |  Number of clauses:    13378625                                             |

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/node40/watcher-331311-1173183232 -o ROOT/results/node40/solver-331311-1173183232 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/331311-1173183232/cmusat /tmp/evaluation/331311-1173183232/instance-331311-1173183232.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: 1.05 1.05 1.00 3/64 18983
/proc/meminfo: memFree=1155648/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=2320 CPUtime=0
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 430 0 0 0 0 0 0 0 18 0 1 0 44279308 2375680 413 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 580 413 97 243 0 334 0

[startup+0.08405 s]
/proc/loadavg: 1.05 1.05 1.00 3/64 18983
/proc/meminfo: memFree=1155648/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=8436 CPUtime=0.07
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 1889 0 0 0 7 0 0 0 18 0 1 0 44279308 8638464 1872 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135145085 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 2109 1872 97 243 0 1863 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 8436

[startup+0.101052 s]
/proc/loadavg: 1.05 1.05 1.00 3/64 18983
/proc/meminfo: memFree=1155648/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=9736 CPUtime=0.09
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 2128 0 0 0 9 0 0 0 18 0 1 0 44279308 9969664 2111 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 2434 2112 97 243 0 2188 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9736

[startup+0.301094 s]
/proc/loadavg: 1.05 1.05 1.00 3/64 18983
/proc/meminfo: memFree=1155648/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=22708 CPUtime=0.29
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 5379 0 0 0 27 2 0 0 19 0 1 0 44279308 23252992 5362 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 5677 5363 97 243 0 5431 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 22708

[startup+0.701178 s]
/proc/loadavg: 1.05 1.05 1.00 3/64 18983
/proc/meminfo: memFree=1155648/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=48772 CPUtime=0.69
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 11821 0 0 0 64 5 0 0 22 0 1 0 44279308 49942528 11804 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 12193 11805 97 243 0 11947 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 48772

[startup+1.50134 s]
/proc/loadavg: 1.05 1.05 1.00 2/65 18984
/proc/meminfo: memFree=1089592/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=100728 CPUtime=1.49
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 24297 0 0 0 136 13 0 0 25 0 1 0 44279308 103145472 24280 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 25182 24280 97 243 0 24936 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 100728

[startup+3.10168 s]
/proc/loadavg: 1.05 1.05 1.00 2/65 18984
/proc/meminfo: memFree=1021304/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=202804 CPUtime=3.09
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 48597 0 0 0 279 30 0 0 25 0 1 0 44279308 207671296 48580 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135095640 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 50701 48580 97 243 0 50455 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 202804

[startup+6.30135 s]
/proc/loadavg: 1.04 1.05 1.00 2/65 18984
/proc/meminfo: memFree=824248/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=408520 CPUtime=6.29
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 96576 0 0 0 565 64 0 0 25 0 1 0 44279308 418324480 96559 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135092575 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 102130 96559 97 243 0 101884 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 408520

[startup+12.7027 s]
/proc/loadavg: 1.04 1.04 1.00 2/65 18984
/proc/meminfo: memFree=400320/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=769204 CPUtime=12.68
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 191191 0 0 0 1159 109 0 0 25 0 1 0 44279308 787664896 187021 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 135149729 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 192301 187021 108 243 0 192055 0
Current children cumulated CPU time (s) 12.68
Current children cumulated vsize (KiB) 769204

[startup+25.5014 s]
/proc/loadavg: 1.03 1.04 1.00 2/65 18984
/proc/meminfo: memFree=291200/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=868956 CPUtime=25.48
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 246875 0 0 0 2415 133 0 0 25 0 1 0 44279308 889810944 217023 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134553267 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 217239 217023 111 243 0 216993 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 868956



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+31.9057 s]
/proc/loadavg: 1.03 1.04 1.00 2/65 18984
/proc/meminfo: memFree=16320/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=1887504 CPUtime=31.87
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4194304 400946 0 0 0 2993 194 0 0 25 0 1 0 44279308 1932804096 370048 18446744073709551615 134512640 135508737 4294956720 18446744073709551615 134560494 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 471876 370053 113 243 0 471630 0
Current children cumulated CPU time (s) 31.87
Current children cumulated vsize (KiB) 1887504

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

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

[startup+32.0067 s]
/proc/loadavg: 1.03 1.04 1.00 2/65 18984
/proc/meminfo: memFree=16320/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=0 CPUtime=31.97
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4195332 400980 0 0 0 2993 204 0 0 25 0 1 0 44279308 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 31.97
Current children cumulated vsize (KiB) 0

[startup+32.1017 s]
/proc/loadavg: 1.03 1.04 1.00 2/65 18984
/proc/meminfo: memFree=16320/2055920 swapFree=4192812/4192956
[pid=18983] ppid=18981 vsize=0 CPUtime=32.06
/proc/18983/stat : 18983 (cmusat) R 18981 18983 17592 0 -1 4195332 400980 0 0 0 2993 213 0 0 25 0 1 0 44279308 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 35 0 0 0 17 1 0 0
/proc/18983/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 32.06
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 32.1486
CPU time (s): 32.1161
CPU user time (s): 29.9314
CPU system time (s): 2.18467
CPU usage (%): 99.8991
Max. virtual memory (cumulated for all children) (KiB): 1887504

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 29.9314
system time used= 2.18467
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 400980
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= 113

runsolver used 0.023996 second user time and 0.080987 second system time

The end

Launcher Data (download as text)

Begin job on node40 on Tue Mar  6 12:14:11 UTC 2007

IDJOB= 331311
IDBENCH= 20584
IDSOLVER= 121
FILE ID= node40/331311-1173183232

PBS_JOBID= 4015263

Free space on /tmp= 66213 MiB

SOLVER NAME= CMUSAT 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug10.cnf
COMMAND LINE= /tmp/evaluation/331311-1173183232/cmusat /tmp/evaluation/331311-1173183232/instance-331311-1173183232.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node40/watcher-331311-1173183232 -o ROOT/results/node40/solver-331311-1173183232 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/331311-1173183232/cmusat /tmp/evaluation/331311-1173183232/instance-331311-1173183232.cnf            

META MD5SUM SOLVER= af990fb12f8926fdd756b397adb3b5cf
MD5SUM BENCH=  b96b75461795057ef2d559ebb6ae2ba1

RANDOM SEED= 594693697

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node40.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		: 3000.259
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	: 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		: 3000.259
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:       1156184 kB
Buffers:         33372 kB
Cached:         747944 kB
SwapCached:        140 kB
Active:         461312 kB
Inactive:       373136 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1156184 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:          227344 kB
Writeback:           0 kB
Mapped:          63176 kB
Slab:            51248 kB
Committed_AS:   168652 kB
PageTables:       1500 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= 66213 MiB

End job on node40 on Tue Mar  6 12:14:45 UTC 2007