Trace number 331455

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
UnitMarch 2007-02-08? (MO) 50.7423 50.7617

General information on the benchmark

Nameindustrial/vliw_sat_4.0/
9vliw_m_9stages_iq3_C1_bug1.cnf
MD5SUM1911de49ec477d3e34b9a95eb8bf0845
Bench CategoryINDUST (industrial instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark52.587
Satisfiable
(Un)Satisfiability was proved
Number of variables521188
Number of clauses13378641
Sum of the clauses size39204979
Maximum clause length6689
Minimum clause length1
Number of clauses of size 11
Number of clauses of size 28714562
Number of clauses of size 34209417
Number of clauses of size 425257
Number of clauses of size 515681
Number of clauses of size over 5413723

Solver Data (download as text)

46.08/46.18	c UnitMarch starting with seed 1804289383 on /tmp/evaluation/331455-1173184330/instance-331455-1173184330.cnf

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/node76/watcher-331455-1173184330 -o ROOT/results/node76/solver-331455-1173184330 -C 1200 -W 2400 -M 1800 --output-limit 1,15 /tmp/evaluation/331455-1173184330/UnitMarch_32_bits /tmp/evaluation/331455-1173184330/instance-331455-1173184330.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: 2.67 1.85 1.43 3/69 5073
/proc/meminfo: memFree=1444056/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=10236 CPUtime=0
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 447 0 0 0 0 0 0 0 20 0 1 0 338393023 10481664 431 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 2559 436 91 214 0 2342 0

[startup+0.07918 s]
/proc/loadavg: 2.67 1.85 1.43 3/69 5073
/proc/meminfo: memFree=1444056/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=29772 CPUtime=0.07
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 6592 0 0 0 4 3 0 0 20 0 1 0 338393023 30486528 6576 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 7476 6578 91 214 0 7259 0
Current children cumulated CPU time (s) 0.07
Current children cumulated vsize (KiB) 29772

[startup+0.101183 s]
/proc/loadavg: 2.67 1.85 1.43 3/69 5073
/proc/meminfo: memFree=1444056/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=35580 CPUtime=0.09
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 8391 0 0 0 6 3 0 0 20 0 1 0 338393023 36433920 8375 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 8895 8377 91 214 0 8678 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 35580

[startup+0.301204 s]
/proc/loadavg: 2.67 1.85 1.43 3/69 5073
/proc/meminfo: memFree=1444056/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=44588 CPUtime=0.29
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 11051 0 0 0 25 4 0 0 22 0 1 0 338393023 45658112 11002 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134524488 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 11147 11002 92 214 0 10930 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 44588

[startup+0.70125 s]
/proc/loadavg: 2.67 1.85 1.43 3/69 5073
/proc/meminfo: memFree=1444056/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=51032 CPUtime=0.69
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 12787 0 0 0 64 5 0 0 25 0 1 0 338393023 52256768 12544 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 12758 12544 92 214 0 12541 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 51032

[startup+1.50134 s]
/proc/loadavg: 2.77 1.89 1.45 2/70 5074
/proc/meminfo: memFree=1389584/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=63144 CPUtime=1.49
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 16075 0 0 0 142 7 0 0 25 0 1 0 338393023 64659456 15575 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 15786 15575 92 214 0 15569 0
Current children cumulated CPU time (s) 1.49
Current children cumulated vsize (KiB) 63144

[startup+3.10153 s]
/proc/loadavg: 2.77 1.89 1.45 2/70 5074
/proc/meminfo: memFree=1373072/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=87484 CPUtime=3.09
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 22640 0 0 0 297 12 0 0 25 0 1 0 338393023 89583616 21627 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 21871 21627 92 214 0 21654 0
Current children cumulated CPU time (s) 3.09
Current children cumulated vsize (KiB) 87484

[startup+6.30189 s]
/proc/loadavg: 2.77 1.89 1.45 2/71 5075
/proc/meminfo: memFree=1323976/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=135524 CPUtime=6.29
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 35623 0 0 0 609 20 0 0 25 0 1 0 338393023 138776576 33585 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 33881 33585 92 214 0 33664 0
Current children cumulated CPU time (s) 6.29
Current children cumulated vsize (KiB) 135524

[startup+12.7016 s]
/proc/loadavg: 2.66 1.89 1.45 2/70 5075
/proc/meminfo: memFree=1226768/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=229504 CPUtime=12.69
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 61001 0 0 0 1234 35 0 0 25 0 1 0 338393023 235012096 56914 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 57376 56914 92 214 0 57159 0
Current children cumulated CPU time (s) 12.69
Current children cumulated vsize (KiB) 229504

[startup+25.5011 s]
/proc/loadavg: 2.71 1.92 1.47 2/70 5075
/proc/meminfo: memFree=1048720/2055888 swapFree=4087208/4096564
[pid=5073] ppid=5071 vsize=407320 CPUtime=25.48
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 108953 0 0 0 2485 63 0 0 25 0 1 0 338393023 417095680 100769 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 134990859 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 101830 100769 92 214 0 101613 0
Current children cumulated CPU time (s) 25.48
Current children cumulated vsize (KiB) 407320



Maximum VSize exceeded: sending SIGTERM then SIGKILL

[startup+50.502 s]
/proc/loadavg: 2.18 1.87 1.46 3/70 5075
/proc/meminfo: memFree=15504/2055888 swapFree=4087192/4096564
[pid=5073] ppid=5071 vsize=1856200 CPUtime=50.48
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4194304 471098 0 0 0 4816 232 0 0 25 0 1 0 338393023 1900748800 412051 18446744073709551615 134512640 135389829 4294956688 18446744073709551615 135006174 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 464050 412053 97 214 0 463833 0
Current children cumulated CPU time (s) 50.48
Current children cumulated vsize (KiB) 1856200

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

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

[startup+50.611 s]
/proc/loadavg: 2.18 1.87 1.46 3/70 5075
/proc/meminfo: memFree=15504/2055888 swapFree=4087192/4096564
[pid=5073] ppid=5071 vsize=0 CPUtime=50.58
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4195332 471120 0 0 0 4816 242 0 0 25 0 1 0 338393023 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 50.58
Current children cumulated vsize (KiB) 0

[startup+50.702 s]
/proc/loadavg: 2.18 1.87 1.46 3/70 5075
/proc/meminfo: memFree=15504/2055888 swapFree=4087192/4096564
[pid=5073] ppid=5071 vsize=0 CPUtime=50.67
/proc/5073/stat : 5073 (UnitMarch_32_bi) R 5071 5073 3483 0 -1 4195332 471120 0 0 0 4816 251 0 0 25 0 1 0 338393023 0 0 18446744073709551615 0 0 0 0 0 0 0 4096 0 0 0 0 17 1 0 0
/proc/5073/statm: 0 0 0 0 0 0 0
Current children cumulated CPU time (s) 50.67
Current children cumulated vsize (KiB) 0

Child ended because it received signal 15 (SIGTERM)
Real time (s): 50.7617
CPU time (s): 50.7423
CPU user time (s): 48.1667
CPU system time (s): 2.57561
CPU usage (%): 99.9617
Max. virtual memory (cumulated for all children) (KiB): 1856200

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 48.1667
system time used= 2.57561
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 471120
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= 7
involuntary context switches= 112

runsolver used 0.043993 second user time and 0.113982 second system time

The end

Launcher Data (download as text)

Begin job on node76 on Tue Mar  6 12:32:27 UTC 2007

IDJOB= 331455
IDBENCH= 20588
IDSOLVER= 97
FILE ID= node76/331455-1173184330

PBS_JOBID= 4015266

Free space on /tmp= 66224 MiB

SOLVER NAME= UnitMarch 2007-02-08
BENCH NAME= HOME/pub/bench/SAT07/industrial/vliw_sat_4.0/9vliw_m_9stages_iq3_C1_bug1.cnf
COMMAND LINE= /tmp/evaluation/331455-1173184330/UnitMarch_32_bits /tmp/evaluation/331455-1173184330/instance-331455-1173184330.cnf            
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node76/watcher-331455-1173184330 -o ROOT/results/node76/solver-331455-1173184330 -C 1200 -W 2400 -M 1800 --output-limit 1,15  /tmp/evaluation/331455-1173184330/UnitMarch_32_bits /tmp/evaluation/331455-1173184330/instance-331455-1173184330.cnf            

META MD5SUM SOLVER= cd0143c15836d32fe9acb8d523a59b67
MD5SUM BENCH=  1911de49ec477d3e34b9a95eb8bf0845

RANDOM SEED= 888863159

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB

Linux node76.alineos.net 2.6.9-34.ELsmp #1 SMP Thu Mar 9 06:23:23 GMT 2006 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		: 3000.219
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	: 6006.18
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		: 3000.219
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	: 5999.41
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055888 kB
MemFree:       1444464 kB
Buffers:          5212 kB
Cached:         497496 kB
SwapCached:       2668 kB
Active:         451288 kB
Inactive:        99668 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055888 kB
LowFree:       1444464 kB
SwapTotal:     4096564 kB
SwapFree:      4087208 kB
Dirty:          310040 kB
Writeback:           0 kB
Mapped:          53056 kB
Slab:            46640 kB
Committed_AS:  1219872 kB
PageTables:       1568 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264388 kB
VmallocChunk: 536606243 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66224 MiB

End job on node76 on Tue Mar  6 12:33:20 UTC 2007