Trace number 237784

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
sugar 0.40? 2.41 3.02855

General information on the benchmark

Namehaystacks/
haystacks_34.xml
MD5SUM59402b4c8ddb23a8b0b5394ce6a8b96b
Bench Category2-ARY-INT (binary constraints in intension)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark71.2382
SatisfiableNO
(Un)Satisfiability was proved
Number of variables1156
Number of constraints19107
Maximum constraint arity2
Maximum domain size34
Number of constraints which are defined in extension0
Number of constraints which are defined in intension19107
Global constraints used (with number of constraints)

Solver Data (download as text)

0.15	c # Sugar v0-40 (/tmp/evaluation/237784-1170108573/sugar-v0-40.jar)
0.15	
0.15	c # MAIN  BEGIN : /tmp/evaluation/237784-1170108573/unknown.xml [Mon Jan 29 23:09:35 2007]
0.15	c # CONVERT_XML  BEGIN : /tmp/evaluation/237784-1170108573/unknown.xml /tmp/evaluation/237784-1170108573/sugar28949.csp [Mon Jan 29 23:09:35 2007]
0.15	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/237784-1170108573/sugar-v0-40.jar -convert /tmp/evaluation/237784-1170108573/unknown.xml /tmp/evaluation/237784-1170108573/sugar28949.csp
0.63	c BEGIN convert /tmp/evaluation/237784-1170108573/unknown.xml
2.08	c END convert (1.449547 seconds)
2.11	c # CONVERT_XML  END : /tmp/evaluation/237784-1170108573/sugar28949.csp 566655 bytes (2 seconds) [Mon Jan 29 23:09:37 2007]
2.11	c # CONVERT_XML  CPU : 1.53 = 0 + 0 + 1.43 + 0.1
2.11	
2.11	c # GENERATE_SAT  BEGIN : /tmp/evaluation/237784-1170108573/sugar28949.bcnf [Mon Jan 29 23:09:37 2007]
2.11	c # CMD : java -Xms200M -Xmx600M -jar /tmp/evaluation/237784-1170108573/sugar-v0-40.jar -bcnf -map /tmp/evaluation/237784-1170108573/sugar28949.map /tmp/evaluation/237784-1170108573/sugar28949.csp /tmp/evaluation/237784-1170108573/sugar28949.bcnf
2.23	c BEGIN parse /tmp/evaluation/237784-1170108573/sugar28949.csp
2.97	c jp.ac.kobe_u.cs.sugar.SugarException: mul(sub(V183, V848), sub(V848, V183)) is not coef linear expression
2.97	c 	at jp.ac.kobe_u.cs.sugar.LinearExpression.toLinearExpression(LinearExpression.java:97)
2.97	c 	at jp.ac.kobe_u.cs.sugar.LinearExpression.toLinearExpression(LinearExpression.java:77)
2.97	c 	at jp.ac.kobe_u.cs.sugar.LinearExpression.toLinearExpression(LinearExpression.java:80)
2.97	c 	at jp.ac.kobe_u.cs.sugar.LinearExpression.(LinearExpression.java:56)
2.97	c 	at jp.ac.kobe_u.cs.sugar.CSPParser.parseLE(CSPParser.java:312)
2.97	c 	at jp.ac.kobe_u.cs.sugar.CSPParser.parseComparison(CSPParser.java:386)
2.97	c 	at jp.ac.kobe_u.cs.sugar.CSPParser.parse(CSPParser.java:469)
2.97	c 	at jp.ac.kobe_u.cs.sugar.CSPParser.parse(CSPParser.java:541)
2.97	c 	at jp.ac.kobe_u.cs.sugar.CSPParser.parse(CSPParser.java:568)
2.97	c 	at jp.ac.kobe_u.cs.sugar.CSPParser.parse(CSPParser.java:586)
2.97	c 	at jp.ac.kobe_u.cs.sugar.CSPParser.parse(CSPParser.java:600)
2.97	c 	at jp.ac.kobe_u.cs.sugar.Sugar.encode(Sugar.java:187)
2.97	c 	at jp.ac.kobe_u.cs.sugar.Sugar.execute(Sugar.java:435)
2.97	c 	at jp.ac.kobe_u.cs.sugar.Sugar.main(Sugar.java:451)
3.02	s UNKNOWN
3.02	c # ERROR /tmp/evaluation/237784-1170108573/sugar28949.bcnf is not generated, at /tmp/evaluation/237784-1170108573/sugar line 310.
3.02	
3.02	c # MAIN  END :  (3 seconds) [Mon Jan 29 23:09:38 2007]
3.02	c # MAIN  CPU : 1.53 = 0 + 0 + 1.43 + 0.1
3.02

Verifier Data (download as text)

ERROR: Unexpected answer ! (SAT/UNSAT expected)
Got answer: UNKNOWN

Watcher Data (download as text)

runsolver version 3.1.3 (c) roussel@cril.univ-artois.fr

command line: runsolver --timestamp -w ROOT/results/node5/watcher-237784-1170108573 -o ROOT/results/node5/solver-237784-1170108573 -C 1800 -M 900 /tmp/evaluation/237784-1170108573/solver /tmp/evaluation/237784-1170108573 /tmp/evaluation/237784-1170108573/unknown.xml 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1830 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 921600 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 972800 KiB
Current StackSize limit: 10240 KiB

/proc/loadavg: 2.65 3.06 3.16 5/94 28950
/proc/meminfo: memFree=282712/2055920 swapFree=4192812/4192956
[pid=28949] ppid=28947 vsize=5352 CPUtime=0
/proc/28949/stat : 28949 (solver) D 28947 28949 28160 0 -1 4194304 264 0 0 0 0 0 0 0 18 0 1 0 30812273 5480448 231 18446744073709551615 4194304 4889804 548682069312 18446744073709551615 226913479975 0 0 4096 0 18446744071563608240 0 0 17 1 0 0
/proc/28949/statm: 1338 231 193 169 0 49 0

[startup+0.103028 s]
/proc/loadavg: 2.65 3.06 3.16 5/94 28950
/proc/meminfo: memFree=282712/2055920 swapFree=4192812/4192956
[pid=28949] ppid=28947 vsize=12404 CPUtime=0
/proc/28949/stat : 28949 (sugar) D 28947 28949 28160 0 -1 4194304 657 0 4 0 0 0 0 0 18 0 1 0 30812273 12701696 380 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 226922377314 0 0 4224 0 18446744071563608240 0 0 17 0 0 0
/proc/28949/statm: 3101 380 275 3 0 201 0
Current children cumulated CPU time (s) 0
Current children cumulated vsize (KiB) 12404

[startup+0.513563 s]
/proc/loadavg: 2.65 3.06 3.16 5/94 28950
/proc/meminfo: memFree=282712/2055920 swapFree=4192812/4192956
[pid=28949] ppid=28947 vsize=13724 CPUtime=0.03
/proc/28949/stat : 28949 (sugar) S 28947 28949 28160 0 -1 4194304 1108 0 4 0 3 0 0 0 18 0 1 0 30812273 14053376 805 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 226922377314 0 0 4224 16386 18446744071563648864 0 0 17 0 0 0
/proc/28949/statm: 3431 805 368 3 0 531 0
Current children cumulated CPU time (s) 0.03
Current children cumulated vsize (KiB) 13724

[startup+1.34317 s]
/proc/loadavg: 2.76 3.08 3.16 3/102 28958
/proc/meminfo: memFree=242264/2055920 swapFree=4192812/4192956
[pid=28949] ppid=28947 vsize=13724 CPUtime=0.03
/proc/28949/stat : 28949 (sugar) S 28947 28949 28160 0 -1 4194304 1117 0 4 0 3 0 0 0 16 0 1 0 30812273 14053376 805 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 226922377314 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/28949/statm: 3431 805 368 3 0 531 0
[pid=28951] ppid=28949 vsize=807288 CPUtime=0.78
/proc/28951/stat : 28951 (java) R 28949 28949 28160 0 -1 0 11785 0 33 0 71 7 0 0 20 0 8 0 30812289 826662912 11564 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/28951/statm: 201822 11566 1690 14 0 189100 0
[pid=28951/tid=28952] ppid=28949 vsize=807288 CPUtime=0.1
/proc/28951/task/28952/stat : 28952 (java) R 28949 28949 28160 0 -1 64 5267 0 0 0 9 1 0 0 16 0 8 0 30812327 826662912 11567 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4153968433 0 0 0 23759 0 0 0 -1 1 0 0
[pid=28951/tid=28953] ppid=28949 vsize=807288 CPUtime=0
/proc/28951/task/28953/stat : 28953 (java) S 28949 28949 28160 0 -1 64 10 0 0 0 0 0 0 0 20 0 8 0 30812328 826662912 11568 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=28951/tid=28954] ppid=28949 vsize=807288 CPUtime=0
/proc/28951/task/28954/stat : 28954 (java) S 28949 28949 28160 0 -1 64 4 0 0 0 0 0 0 0 21 0 8 0 30812328 826662912 11570 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=28951/tid=28955] ppid=28949 vsize=807288 CPUtime=0
/proc/28951/task/28955/stat : 28955 (java) S 28949 28949 28160 0 -1 64 1 0 0 0 0 0 0 0 22 0 8 0 30812331 826662912 11571 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=28951/tid=28956] ppid=28949 vsize=807288 CPUtime=0.12
/proc/28951/task/28956/stat : 28956 (java) S 28949 28949 28160 0 -1 64 393 0 0 0 12 0 0 0 16 0 8 0 30812331 826662912 11573 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=28951/tid=28957] ppid=28949 vsize=807288 CPUtime=0
/proc/28951/task/28957/stat : 28957 (java) S 28949 28949 28160 0 -1 64 3 0 0 0 0 0 0 0 23 0 8 0 30812331 826662912 11574 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
[pid=28951/tid=28958] ppid=28949 vsize=807288 CPUtime=0
/proc/28951/task/28958/stat : 28958 (java) S 28949 28949 28160 0 -1 64 0 0 0 0 0 0 0 0 15 0 8 0 30812331 826662912 11576 18446744073709551615 134512640 134570532 4294956544 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 0 0 0
Current children cumulated CPU time (s) 0.81
Current children cumulated vsize (KiB) 821012

[startup+3.00051 s]
/proc/loadavg: 2.76 3.08 3.16 4/102 28966
/proc/meminfo: memFree=258712/2055920 swapFree=4192812/4192956
[pid=28949] ppid=28947 vsize=13724 CPUtime=1.56
/proc/28949/stat : 28949 (sugar) S 28947 28949 28160 0 -1 4194304 1186 14964 4 36 3 0 143 10 15 0 1 0 30812273 14053376 809 18446744073709551615 4194304 4206940 548682069232 18446744073709551615 226922377314 0 0 4224 16386 18446744071563648864 0 0 17 1 0 0
/proc/28949/statm: 3431 809 371 3 0 531 0
[pid=28959] ppid=28949 vsize=807064 CPUtime=0.85
/proc/28959/stat : 28959 (java) S 28949 28949 28160 0 -1 0 8823 0 1 0 81 4 0 0 18 0 8 0 30812485 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 18446744073709551615 0 0 17 1 0 0
/proc/28959/statm: 201766 8569 1499 14 0 189044 0
[pid=28959/tid=28960] ppid=28949 vsize=807064 CPUtime=0.16
/proc/28959/task/28960/stat : 28960 (java) S 28949 28949 28160 0 -1 64 2749 0 0 0 15 1 0 0 16 0 8 0 30812488 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 0 0 23759 0 0 0 -1 1 0 0
[pid=28959/tid=28961] ppid=28949 vsize=807064 CPUtime=0
/proc/28959/task/28961/stat : 28961 (java) S 28949 28949 28160 0 -1 64 11 0 0 0 0 0 0 0 16 0 8 0 30812488 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=28959/tid=28962] ppid=28949 vsize=807064 CPUtime=0
/proc/28959/task/28962/stat : 28962 (java) S 28949 28949 28160 0 -1 64 5 0 0 0 0 0 0 0 15 0 8 0 30812488 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=28959/tid=28963] ppid=28949 vsize=807064 CPUtime=0
/proc/28959/task/28963/stat : 28963 (java) S 28949 28949 28160 0 -1 64 1 0 0 0 0 0 0 0 18 0 8 0 30812491 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=28959/tid=28964] ppid=28949 vsize=807064 CPUtime=0.06
/proc/28959/task/28964/stat : 28964 (java) S 28949 28949 28160 0 -1 64 299 0 0 0 6 0 0 0 19 0 8 0 30812491 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=28959/tid=28965] ppid=28949 vsize=807064 CPUtime=0
/proc/28959/task/28965/stat : 28965 (java) S 28949 28949 28160 0 -1 64 3 0 0 0 0 0 0 0 19 0 8 0 30812491 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
[pid=28959/tid=28966] ppid=28949 vsize=807064 CPUtime=0
/proc/28959/task/28966/stat : 28966 (java) S 28949 28949 28160 0 -1 64 0 0 0 0 0 0 0 0 15 0 8 0 30812492 826433536 8569 18446744073709551615 134512640 134570532 4294956480 18446744073709551615 4294960144 0 4 0 23759 0 0 0 -1 1 0 0
Current children cumulated CPU time (s) 2.41
Current children cumulated vsize (KiB) 820788

Child status: 1

!!! problem with CPU time !!!
wait4(...,&childrusage) returns 28949 and gives childrusage.ru_utime.tv_sec=1 childrusage.ru_utime.tv_usec=468776 childrusage.ru_stime.tv_sec=0 childrusage.ru_stime.tv_usec=115982
CPU time returned by wait4() is 1.58476
while last known CPU time is 2.41

Solver probably didn't/couldn't wait for its children
Using last known CPU time as value...

Real time (s): 3.02855
CPU time (s): 2.41
CPU user time (s): 2.27
CPU system time (s): 0.14
CPU usage (%): 79.5759
Max. virtual memory (cumulated for all children) (KiB): 821124

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 1.46878
system time used= 0.115982
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 16228
page faults= 40
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 955
involuntary context switches= 816

runsolver used 0.005999 s user time and 0.019996 s system time

The end

Launcher Data (download as text)

Begin job on node5 on Mon Jan 29 22:09:34 UTC 2007


IDJOB= 237784
IDBENCH= 6962
IDSOLVER= 86
FILE ID= node5/237784-1170108573

PBS_JOBID= 3689787

Free space on /tmp= 51172 MiB

SOLVER NAME= sugar 0.40
BENCH NAME= HOME/pub/bench/CPAI06/haystacks/haystacks_34.xml
COMMAND LINE= /tmp/evaluation/237784-1170108573/solver /tmp/evaluation/237784-1170108573 /tmp/evaluation/237784-1170108573/unknown.xml
RUNSOLVER COMMAND LINE= runsolver  --timestamp  -w ROOT/results/node5/watcher-237784-1170108573 -o ROOT/results/node5/solver-237784-1170108573 -C 1800 -M 900  /tmp/evaluation/237784-1170108573/solver /tmp/evaluation/237784-1170108573 /tmp/evaluation/237784-1170108573/unknown.xml

META MD5SUM SOLVER= 0a27e717dfe98d83d9802fe0eea45073
MD5SUM BENCH=  59402b4c8ddb23a8b0b5394ce6a8b96b

RANDOM SEED= 493121300

TIME LIMIT= 1800 seconds

MEMORY LIMIT= 900 MiB


/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		: 3000.224
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		: 3000.224
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:        287416 kB
Buffers:          5348 kB
Cached:        1497996 kB
SwapCached:          0 kB
Active:         213856 kB
Inactive:      1469180 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:        287416 kB
SwapTotal:     4192956 kB
SwapFree:      4192812 kB
Dirty:          763900 kB
Writeback:           0 kB
Mapped:         205204 kB
Slab:            70140 kB
Committed_AS:   753088 kB
PageTables:       2392 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= 51155 MiB



End job on node5 on Mon Jan 29 22:09:38 UTC 2007