fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r127-smll-152673529200215
Last Updated
June 26, 2018

About the Execution of Irma.struct for PolyORBLF-PT-S04J06T10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2167.850 572171.00 1140344.00 1876.20 ???????????????? normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Waiting for the VM to be ready (probing ssh)
.................
/home/mcc/execution
total 7.1M
-rw-r--r-- 1 mcc users 14K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 48K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 75K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 242K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:50 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K May 15 18:50 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 8.7K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 60K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 189K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 33K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 113 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 351 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 28K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 92K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 10 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rw-r--r-- 1 mcc users 6.2M May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool irma4mcc-structural
Input is PolyORBLF-PT-S04J06T10, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r127-smll-152673529200215
=====================================================================


--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-00
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-01
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-02
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-03
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-04
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-05
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-06
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-07
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-08
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-09
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-10
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-11
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-12
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-13
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-14
FORMULA_NAME PolyORBLF-PT-S04J06T10-ReachabilityCardinality-15

=== Now, execution of the tool begins

BK_START 1526845469477


BK_STOP 1526846041648

--------------------
content from stderr:

Prefix is 75f5f979.
Reading known information in /usr/share/mcc4mcc/75f5f979-known.json.
Reading learned information in /usr/share/mcc4mcc/75f5f979-learned.json.
Reading value translations in /usr/share/mcc4mcc/75f5f979-values.json.
Using directory /home/mcc/execution for input, as it contains a model.pnml file.
Using PolyORBLF-PT-S04J06T10 as instance name.
Using PolyORBLF as model name.
Using algorithm or tool bmdt.
Model characteristics are: {'Examination': 'ReachabilityCardinality', 'Place/Transition': True, 'Colored': True, 'Relative-Time': 1, 'Relative-Memory': 1, 'Ordinary': False, 'Simple Free Choice': False, 'Extended Free Choice': False, 'State Machine': False, 'Marked Graph': False, 'Connected': True, 'Strongly Connected': True, 'Source Place': False, 'Sink Place': False, 'Source Transition': False, 'Sink Transition': False, 'Loop Free': False, 'Conservative': False, 'Sub-Conservative': False, 'Nested Units': False, 'Safe': False, 'Deadlock': True, 'Reversible': None, 'Quasi Live': None, 'Live': None}.
Known tools are: [{'Time': 3539372, 'Memory': 6722.11, 'Tool': 'lola'}, {'Time': 3539678, 'Memory': 6759.79, 'Tool': 'lola'}].
Learned tools are: [{'Tool': 'itstools'}].
ReachabilityCardinality lola PolyORBLF-PT-S04J06T10...
----- Start make prepare stderr -----

Time: 3600 - MCC
----- Start make prepare stdout -----
===========================================================================================
PolyORBLF-PT-S04J06T10: translating PT Petri net model.pnml into LoLA format
===========================================================================================
translating PT Petri net complete


checking for too many tokens
===========================================================================================
PolyORBLF-PT-S04J06T10: translating PT formula ReachabilityCardinality into LoLA format
===========================================================================================
translating formula complete
touch formulae;
----- Start make result stdout -----
----- Start make result stderr -----
ReachabilityCardinality @ PolyORBLF-PT-S04J06T10 @ 3540 seconds
make: [verify] Error 134 (ignored)
----- Start make result stderr -----
Makefile:222: recipe for target 'verify' failed
----- Start make result stdout -----
lola: LoLA will run for 3540 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 6320/65536 symbol table entries, 1503 collisions
lola: preprocessing...
lola: finding significant places
lola: 966 places, 5354 transitions, 904 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 3657 transition conflict sets
lola: TASK
lola: reading formula from PolyORBLF-PT-S04J06T10-ReachabilityCardinality.task
lola: E (F (((1 <= AbourtToModifySrc_1 + AbourtToModifySrc_2 + AbourtToModifySrc_3 + AbourtToModifySrc_4) AND (TryAllocateOneTaskE_1 + TryAllocateOneTaskE_2 + TryAllocateOneTaskE_3 + TryAllocateOneTaskE_4 + TryAllocateOneTaskE_5 + TryAllocateOneTaskE_6 + TryAllocateOneTaskE_7 + TryAllocateOneTaskE_8 + TryAllocateOneTaskE_9 + TryAllocateOneTaskE_10 <= P_1099) AND (Insert_Source_E_10 + Insert_Source_E_1 + Insert_Source_E_2 + Insert_Source_E_3 + Insert_Source_E_4 + Insert_Source_E_5 + Insert_Source_E_6 + Insert_Source_E_7 + Insert_Source_E_8 + Insert_Source_E_9 <= MarkerWrite) AND ((ScheduleTaskB_1 + ScheduleTaskB_2 + ScheduleTaskB_3 + ScheduleTaskB_4 + ScheduleTaskB_5 + ScheduleTaskB_6 + ScheduleTaskB_7 + ScheduleTaskB_8 + ScheduleTaskB_9 + ScheduleTaskB_10 + 1 <= SigAbort) OR (P_1726 <= 0))))) : E (F (((2 <= ScheduleTaskE_Check_1 + ScheduleTaskE_Check_2 + ScheduleTaskE_Check_3 + ScheduleTaskE_Check_4 + ScheduleTaskE_Check_5 + ScheduleTaskE_Check_6 + ScheduleTaskE_Check_7 + ScheduleTaskE_Check_8 + ScheduleTaskE_Check_9 + ScheduleTaskE_Check_10) AND (2 <= P_1099) AND ((3 <= P_1093) OR (2 <= BlockedTasks)) AND ((3 <= NotifyEventJobCompletedB_10 + NotifyEventJobCompletedB_1 + NotifyEventJobCompletedB_2 + NotifyEventJobCompletedB_3 + NotifyEventJobCompletedB_4 + NotifyEventJobCompletedB_5 + NotifyEventJobCompletedB_6 + NotifyEventJobCompletedB_7 + NotifyEventJobCompletedB_8 + NotifyEventJobCompletedB_9) OR (ScheduleTaskB_1 + ScheduleTaskB_2 + ScheduleTaskB_3 + ScheduleTaskB_4 + ScheduleTaskB_5 + ScheduleTaskB_6 + ScheduleTaskB_7 + ScheduleTaskB_8 + ScheduleTaskB_9 + ScheduleTaskB_10 <= RunE_1 + RunE_2 + RunE_3 + RunE_4 + RunE_5 + RunE_6 + RunE_7 + RunE_8 + RunE_9 + RunE_10) OR (BlockedTasks <= 0))))) : A (G ((3 <= IdleTasks_9 + IdleTasks_8 + IdleTasks_7 + IdleTasks_6 + IdleTasks_5 + IdleTasks_4 + IdleTasks_3 + IdleTasks_2 + IdleTasks_1 + IdleTasks_10))) : E (F ((cPollingAbort <= P_1724_0 + P_1724_1 + P_1724_2 + P_1724_3 + P_1724_4 + P_1724_5 + P_1724_6))) : E (F (((NotifyEventJobQueuedE_1 + NotifyEventJobQueuedE_2 + NotifyEventJobQueuedE_3 + NotifyEventJobQueuedE_4 + NotifyEventJobQueuedE_5 + NotifyEventJobQueuedE_6 + NotifyEventJobQueuedE_7 + NotifyEventJobQueuedE_8 + NotifyEventJobQueuedE_9 + NotifyEventJobQueuedE_10 <= 1) AND ((3 <= P_1158_1 + P_1158_2 + P_1158_3 + P_1158_4 + P_1158_5 + P_1158_6 + P_1158_7 + P_1158_8 + P_1158_9 + P_1158_10) OR (1 <= RunE_1 + RunE_2 + RunE_3 + RunE_4 + RunE_5 + RunE_6 + RunE_7 + RunE_8 + RunE_9 + RunE_10))))) : A (G ((((DisablePollingB_5_1 + DisablePollingB_5_2 + DisablePollingB_5_3 + DisablePollingB_5_4 + DisablePollingB_6_1 + DisablePollingB_6_2 + DisablePollingB_6_3 + DisablePollingB_6_4 + DisablePollingB_7_1 + DisablePollingB_7_2 + DisablePollingB_7_3 + DisablePollingB_7_4 + DisablePollingB_8_1 + DisablePollingB_8_2 + DisablePollingB_8_3 + DisablePollingB_8_4 + DisablePollingB_9_1 + DisablePollingB_9_2 + DisablePollingB_9_3 + DisablePollingB_9_4 + DisablePollingB_4_4 + DisablePollingB_4_3 + DisablePollingB_4_2 + DisablePollingB_4_1 + DisablePollingB_1_1 + DisablePollingB_1_2 + DisablePollingB_1_3 + DisablePollingB_1_4 + DisablePollingB_3_4 + DisablePollingB_3_3 + DisablePollingB_3_2 + DisablePollingB_3_1 + DisablePollingB_2_1 + DisablePollingB_2_2 + DisablePollingB_2_3 + DisablePollingB_2_4 + DisablePollingB_10_1 + DisablePollingB_10_2 + DisablePollingB_10_3 + DisablePollingB_10_4 + 1 <= P_1093) AND (FetchJobE_1_0 + FetchJobE_1_1 + FetchJobE_1_2 + FetchJobE_1_3 + FetchJobE_1_4 + FetchJobE_1_5 + FetchJobE_1_6 + FetchJobE_2_0 + FetchJobE_2_1 + FetchJobE_2_2 + FetchJobE_2_3 + FetchJobE_2_4 + FetchJobE_2_5 + FetchJobE_2_6 + FetchJobE_3_0 + FetchJobE_3_1 + FetchJobE_3_2 + FetchJobE_3_3 + FetchJobE_3_4 + FetchJobE_3_5 + FetchJobE_3_6 + FetchJobE_4_0 + FetchJobE_4_1 + FetchJobE_4_2 + FetchJobE_4_3 + FetchJobE_4_4 + FetchJobE_4_5 + FetchJobE_4_6 + FetchJobE_5_0 + FetchJobE_5_1 + FetchJobE_5_2 + FetchJobE_5_3 + FetchJobE_5_4 + FetchJobE_5_5 + FetchJobE_5_6 + FetchJobE_10_0 + FetchJobE_10_1 + FetchJobE_10_2 + FetchJobE_10_3 + FetchJobE_10_4 + FetchJobE_10_5 + FetchJobE_10_6 + FetchJobE_6_0 + FetchJobE_6_1 + FetchJobE_6_2 + FetchJobE_6_3 + FetchJobE_6_4 + FetchJobE_6_5 + FetchJobE_6_6 + FetchJobE_7_0 + FetchJobE_7_1 + FetchJobE_7_2 + FetchJobE_7_3 + FetchJobE_7_4 + FetchJobE_7_5 + FetchJobE_7_6 + FetchJobE_8_0 + FetchJobE_8_1 + FetchJobE_8_2 + FetchJobE_8_3 + FetchJobE_8_4 + FetchJobE_8_5 + FetchJobE_8_6 + FetchJobE_9_5 + FetchJobE_9_4 + FetchJobE_9_0 + FetchJobE_9_1 + FetchJobE_9_2 + FetchJobE_9_3 + FetchJobE_9_6 + 1 <= P_1725_0 + P_1725_1 + P_1725_2 + P_1725_3 + P_1725_4 + P_1725_5 + P_1725_6)) OR (RunE_1 + RunE_2 + RunE_3 + RunE_4 + RunE_5 + RunE_6 + RunE_7 + RunE_8 + RunE_9 + RunE_10 <= ScheduleTaskE_Idle_1 + ScheduleTaskE_Idle_2 + ScheduleTaskE_Idle_3 + ScheduleTaskE_Idle_4 + ScheduleTaskE_Idle_5 + ScheduleTaskE_Idle_6 + ScheduleTaskE_Idle_7 + ScheduleTaskE_Idle_8 + ScheduleTaskE_Idle_9 + ScheduleTaskE_Idle_10)))) : E (F ((AvailableJobId_6 + AvailableJobId_5 + AvailableJobId_4 + AvailableJobId_3 + AvailableJobId_2 + AvailableJobId_1 + AvailableJobId_0 + 1 <= MarkerRead))) : E (F (((Check_Sources_E_1 + Check_Sources_E_2 + Check_Sources_E_3 + Check_Sources_E_4 + Check_Sources_E_5 + Check_Sources_E_6 + Check_Sources_E_7 + Check_Sources_E_8 + Check_Sources_E_9 + Check_Sources_E_10 <= cJobCnt) AND (2 <= Abort_Check_Sources_E_10 + Abort_Check_Sources_E_1 + Abort_Check_Sources_E_2 + Abort_Check_Sources_E_3 + Abort_Check_Sources_E_4 + Abort_Check_Sources_E_5 + Abort_Check_Sources_E_6 + Abort_Check_Sources_E_7 + Abort_Check_Sources_E_8 + Abort_Check_Sources_E_9) AND (2 <= NoSigAbort) AND (Try_Check_Sources_E_1 + Try_Check_Sources_E_2 + Try_Check_Sources_E_3 + Try_Check_Sources_E_4 + Try_Check_Sources_E_5 + Try_Check_Sources_E_6 + Try_Check_Sources_E_7 + Try_Check_Sources_E_8 + Try_Check_Sources_E_9 + Try_Check_Sources_E_10 <= P_1726) AND (Check_Sources_B_10 + Check_Sources_B_1 + Check_Sources_B_2 + Check_Sources_B_3 + Check_Sources_B_4 + Check_Sources_B_5 + Check_Sources_B_6 + Check_Sources_B_7 + Check_Sources_B_8 + Check_Sources_B_9 <= 0)))) : A (G (((NotifyEventJobQueuedB_10_2 <= AwakeTasks_6) AND ((ScheduleTaskE_Work_6_5 + 1 <= CreatedJobs_4_3) OR (CreatedJobs_1_2 <= 2))))) : A (G ((P_1159_2 <= cPollingAbort))) : A (G (((NotifyEventSourceAddedE_6 <= DisablePollingE_2_3) OR (1 <= BlockedTasks) OR (3 <= ScheduleTaskE_Work_3_2) OR (NotifyEventEndOfCheckSourcesE_2 <= P_1725_1) OR (AvailableJobId_3 <= DisablePollingB_5_3)))) : A (G (((P_1119_7_3 <= 1) OR (FetchJobB_8 + 1 <= NotifyEventJobQueuedB_1_2) OR (NotifyEventJobCompletedB_2 <= NotifyEventJobQueuedB_2_0)))) : E (F ((((2 <= Insert_Source_B_10_1) AND (1 <= AwakeTasks_4) AND (2 <= Insert_Source_B_1_4)) OR ((1 <= P_1097) AND (2 <= P_1712_0) AND (2 <= Perform_Work_E_6))))) : E (F ((1 <= Perform_Work_E_9))) : A (G (((ScheduleTaskE_Work_2_3 + 1 <= DisablePollingE_1_2) OR (P_1119_1_3 <= 2) OR (P_2579_7_4 <= FetchJobE_10_1) OR (3 <= NotifyEventJobQueuedB_1_6)))) : E (F ((3 <= P_1727)))
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 221 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((1 <= AbourtToModifySrc_1 + AbourtToModifySrc_2 + AbourtToModifySrc_3 + AbourtToModifySrc_4) AND (TryAllocateOneTaskE_1 + TryAllocateOneTaskE_2 + TryAllocateOneTaskE_3 + TryAllocateOneTaskE_4 + TryAllocateOneTaskE_5 + TryAllocateOneTaskE_6 + TryAllocateOneTaskE_7 + TryAllocateOneTaskE_8 + TryAllocateOneTaskE_9 + TryAllocateOneTaskE_10 <= P_1099) AND (Insert_Source_E_10 + Insert_Source_E_1 +... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 3616 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 8 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to PolyORBLF-PT-S04J06T10-ReachabilityCardinality.sara
lola: state equation: calling and running sara
sara: try reading problem file PolyORBLF-PT-S04J06T10-ReachabilityCardinality.sara.
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 56 markings, 55 edges
lola: ========================================
lola: subprocess 1 will run for 235 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((2 <= ScheduleTaskE_Check_1 + ScheduleTaskE_Check_2 + ScheduleTaskE_Check_3 + ScheduleTaskE_Check_4 + ScheduleTaskE_Check_5 + ScheduleTaskE_Check_6 + ScheduleTaskE_Check_7 + ScheduleTaskE_Check_8 + ScheduleTaskE_Check_9 + ScheduleTaskE_Check_10) AND (2 <= P_1099) AND ((3 <= P_1093) OR (2 <= BlockedTasks)) AND ((3 <= NotifyEventJobCompletedB_10 + NotifyEventJobCompletedB_1 + NotifyEventJobC... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 3616 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 24 literals and 6 conjunctive subformulas
lola: state equation: write sara problem file to PolyORBLF-PT-S04J06T10-ReachabilityCardinality.sara
lola: state equation: calling and running sara
sara: try reading problem file PolyORBLF-PT-S04J06T10-ReachabilityCardinality.sara.
lola: sara is running 0 secs || 13615 markings, 15045 edges, 2723 markings/sec, 0 secs
sara: place or transition ordering is non-deterministic
lola: sara is running 5 secs || 28864 markings, 33099 edges, 3050 markings/sec, 5 secs
lola: sara is running 10 secs || 44120 markings, 50846 edges, 3051 markings/sec, 10 secs
lola: sara is running 15 secs || 59277 markings, 69958 edges, 3031 markings/sec, 15 secs
lola: sara is running 20 secs || 74722 markings, 88014 edges, 3089 markings/sec, 20 secs
lola: sara is running 25 secs || 89765 markings, 106839 edges, 3009 markings/sec, 25 secs
lola: sara is running 30 secs || 105030 markings, 124878 edges, 3053 markings/sec, 30 secs
lola: sara is running 35 secs || 120266 markings, 143340 edges, 3047 markings/sec, 35 secs
lola: sara is running 40 secs || 135523 markings, 162111 edges, 3051 markings/sec, 40 secs
lola: sara is running 45 secs || 150705 markings, 180847 edges, 3036 markings/sec, 45 secs
lola: sara is running 50 secs || 165971 markings, 199299 edges, 3053 markings/sec, 50 secs
lola: sara is running 55 secs || 181231 markings, 217723 edges, 3052 markings/sec, 55 secs
lola: sara is running 60 secs || 196481 markings, 236377 edges, 3050 markings/sec, 60 secs
lola: sara is running 65 secs || 211586 markings, 254682 edges, 3021 markings/sec, 65 secs
lola: sara is running 70 secs || 226278 markings, 272530 edges, 2938 markings/sec, 70 secs
lola: sara is running 75 secs || 240980 markings, 290722 edges, 2940 markings/sec, 75 secs
lola: sara is running 80 secs || 255679 markings, 308533 edges, 2940 markings/sec, 80 secs
lola: sara is running 85 secs || 270255 markings, 327431 edges, 2915 markings/sec, 85 secs
lola: sara is running 90 secs || 284863 markings, 346410 edges, 2922 markings/sec, 90 secs
lola: sara is running 95 secs || 299491 markings, 365059 edges, 2926 markings/sec, 95 secs
lola: sara is running 100 secs || 314191 markings, 384322 edges, 2940 markings/sec, 100 secs
lola: sara is running 105 secs || 328856 markings, 404091 edges, 2933 markings/sec, 105 secs
lola: sara is running 110 secs || 343490 markings, 423845 edges, 2927 markings/sec, 110 secs
lola: sara is running 115 secs || 358154 markings, 442825 edges, 2933 markings/sec, 115 secs
lola: sara is running 120 secs || 373105 markings, 461849 edges, 2990 markings/sec, 120 secs
lola: sara is running 125 secs || 388434 markings, 481621 edges, 3066 markings/sec, 125 secs
lola: sara is running 130 secs || 403800 markings, 501182 edges, 3073 markings/sec, 130 secs
lola: sara is running 135 secs || 419118 markings, 521687 edges, 3064 markings/sec, 135 secs
lola: sara is running 140 secs || 434393 markings, 541890 edges, 3055 markings/sec, 140 secs
lola: sara is running 145 secs || 449695 markings, 561099 edges, 3060 markings/sec, 145 secs
lola: sara is running 150 secs || 465047 markings, 580286 edges, 3070 markings/sec, 150 secs
lola: sara is running 155 secs || 480375 markings, 599587 edges, 3066 markings/sec, 155 secs
lola: sara is running 160 secs || 495633 markings, 620027 edges, 3052 markings/sec, 160 secs
lola: sara is running 165 secs || 510841 markings, 639496 edges, 3042 markings/sec, 165 secs
lola: sara is running 170 secs || 526093 markings, 659307 edges, 3050 markings/sec, 170 secs
lola: sara is running 175 secs || 541298 markings, 680011 edges, 3041 markings/sec, 175 secs
lola: sara is running 180 secs || 556555 markings, 700439 edges, 3051 markings/sec, 180 secs
lola: sara is running 185 secs || 571809 markings, 720526 edges, 3051 markings/sec, 185 secs
lola: sara is running 190 secs || 587145 markings, 740042 edges, 3067 markings/sec, 190 secs
lola: sara is running 195 secs || 602413 markings, 759684 edges, 3054 markings/sec, 195 secs
lola: sara is running 200 secs || 617684 markings, 779431 edges, 3054 markings/sec, 200 secs
lola: sara is running 205 secs || 632895 markings, 800046 edges, 3042 markings/sec, 205 secs
lola: sara is running 210 secs || 648200 markings, 819462 edges, 3061 markings/sec, 210 secs
lola: sara is running 215 secs || 663412 markings, 838809 edges, 3042 markings/sec, 215 secs
lola: sara is running 220 secs || 678759 markings, 858233 edges, 3069 markings/sec, 220 secs
lola: sara is running 225 secs || 694034 markings, 877172 edges, 3055 markings/sec, 225 secs
lola: local time limit reached - aborting
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 2 will run for 236 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((3 <= IdleTasks_9 + IdleTasks_8 + IdleTasks_7 + IdleTasks_6 + IdleTasks_5 + IdleTasks_4 + IdleTasks_3 + IdleTasks_2 + IdleTasks_1 + IdleTasks_10)))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 3616 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to PolyORBLF-PT-S04J06T10-ReachabilityCardinality-2.sara
lola: state equation: calling and running sara
sara: try reading problem file PolyORBLF-PT-S04J06T10-ReachabilityCardinality-2.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 119 markings, 118 edges
lola: ========================================
lola: subprocess 3 will run for 254 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((cPollingAbort <= P_1724_0 + P_1724_1 + P_1724_2 + P_1724_3 + P_1724_4 + P_1724_5 + P_1724_6)))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 3616 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to PolyORBLF-PT-S04J06T10-ReachabilityCardinality-3.sara
lola: state equation: calling and running sara
sara: try reading problem file PolyORBLF-PT-S04J06T10-ReachabilityCardinality-3.sara.
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 30 markings, 29 edges
lola: ========================================
lola: subprocess 4 will run for 275 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F (((NotifyEventJobQueuedE_1 + NotifyEventJobQueuedE_2 + NotifyEventJobQueuedE_3 + NotifyEventJobQueuedE_4 + NotifyEventJobQueuedE_5 + NotifyEventJobQueuedE_6 + NotifyEventJobQueuedE_7 + NotifyEventJobQueuedE_8 + NotifyEventJobQueuedE_9 + NotifyEventJobQueuedE_10 <= 1) AND ((3 <= P_1158_1 + P_1158_2 + P_1158_3 + P_1158_4 + P_1158_5 + P_1158_6 + P_1158_7 + P_1158_8 + P_1158_9 + P_1158_10) OR (1... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 3616 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to PolyORBLF-PT-S04J06T10-ReachabilityCardinality-4.sara
lola: state equation: calling and running sara
sara: try reading problem file PolyORBLF-PT-S04J06T10-ReachabilityCardinality-4.sara.
lola: SUBRESULT
lola: result: yes
lola: produced by: state space
lola: The predicate is reachable.
lola: 87 markings, 86 edges
lola: ========================================
lola: subprocess 5 will run for 300 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: A (G ((((DisablePollingB_5_1 + DisablePollingB_5_2 + DisablePollingB_5_3 + DisablePollingB_5_4 + DisablePollingB_6_1 + DisablePollingB_6_2 + DisablePollingB_6_3 + DisablePollingB_6_4 + DisablePollingB_7_1 + DisablePollingB_7_2 + DisablePollingB_7_3 + DisablePollingB_7_4 + DisablePollingB_8_1 + DisablePollingB_8_2 + DisablePollingB_8_3 + DisablePollingB_8_4 + DisablePollingB_9_1 + DisablePollingB_9... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 3616 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 4 literals and 2 conjunctive subformulas
lola: state equation: write sara problem file to PolyORBLF-PT-S04J06T10-ReachabilityCardinality-5.sara
lola: state equation: calling and running sara
sara: try reading problem file PolyORBLF-PT-S04J06T10-ReachabilityCardinality-5.sara.
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 47 markings, 46 edges
lola: ========================================
lola: subprocess 6 will run for 330 seconds at most (--localtimelimit=-1)
lola: ========================================
lola: ...considering subproblem: E (F ((AvailableJobId_6 + AvailableJobId_5 + AvailableJobId_4 + AvailableJobId_3 + AvailableJobId_2 + AvailableJobId_1 + AvailableJobId_0 + 1 <= MarkerRead)))
lola: ========================================
lola: SUBTASK
lola: checking reachability
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: STORE
lola: using a bit-perfect encoder (--encoder=bit)
lola: using 3616 bytes per marking, with 0 unused bits
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space)
lola: state space: using reachability graph (--search=depth)
lola: state space: using reachability preserving stubborn set method with insertion algorithm (--stubborn=tarjan)
lola: RUNNING
lola: state equation: Generated DNF with 1 literals and 1 conjunctive subformulas
lola: state equation: write sara problem file to PolyORBLF-PT-S04J06T10-ReachabilityCardinality-6.sara
lola: state equation: calling and running sara
sara: try reading problem file PolyORBLF-PT-S04J06T10-ReachabilityCardinality-6.sara.
lola: sara is running 0 secs || 14321 markings, 15118 edges, 2864 markings/sec, 0 secs
sara: place or transition ordering is non-deterministic
lola: sara is running 5 secs || 28915 markings, 31201 edges, 2919 markings/sec, 5 secs
lola: sara is running 10 secs || 43569 markings, 47594 edges, 2931 markings/sec, 10 secs
lola: sara is running 15 secs || 58100 markings, 64415 edges, 2906 markings/sec, 15 secs
lola: sara is running 20 secs || 72591 markings, 81077 edges, 2898 markings/sec, 20 secs
lola: sara is running 25 secs || 87147 markings, 98197 edges, 2911 markings/sec, 25 secs
lola: sara is running 30 secs || 101692 markings, 117313 edges, 2909 markings/sec, 30 secs
lola: sara is running 35 secs || 116116 markings, 134542 edges, 2885 markings/sec, 35 secs
lola: sara is running 40 secs || 130694 markings, 152145 edges, 2916 markings/sec, 40 secs
lola: sara is running 45 secs || 145083 markings, 170003 edges, 2878 markings/sec, 45 secs
lola: sara is running 50 secs || 159587 markings, 187562 edges, 2901 markings/sec, 50 secs
lola: sara is running 55 secs || 174062 markings, 205886 edges, 2895 markings/sec, 55 secs
lola: sara is running 60 secs || 188818 markings, 225670 edges, 2951 markings/sec, 60 secs
lola: sara is running 65 secs || 203323 markings, 243390 edges, 2901 markings/sec, 65 secs
lola: sara is running 70 secs || 217823 markings, 261535 edges, 2900 markings/sec, 70 secs
lola: sara is running 75 secs || 232302 markings, 279219 edges, 2896 markings/sec, 75 secs
lola: sara is running 80 secs || 246884 markings, 299637 edges, 2916 markings/sec, 80 secs
lola: sara is running 85 secs || 261331 markings, 317596 edges, 2889 markings/sec, 85 secs
lola: sara is running 90 secs || 275772 markings, 335935 edges, 2888 markings/sec, 90 secs
lola: sara is running 95 secs || 290244 markings, 354281 edges, 2894 markings/sec, 95 secs
lola: sara is running 100 secs || 304698 markings, 371684 edges, 2891 markings/sec, 100 secs
lola: sara is running 105 secs || 319209 markings, 389976 edges, 2902 markings/sec, 105 secs
lola: sara is running 110 secs || 333682 markings, 408468 edges, 2895 markings/sec, 110 secs
lola: sara is running 115 secs || 348136 markings, 427044 edges, 2891 markings/sec, 115 secs
lola: sara is running 120 secs || 362421 markings, 445016 edges, 2857 markings/sec, 120 secs
lola: sara is running 125 secs || 376264 markings, 462853 edges, 2769 markings/sec, 125 secs
lola: sara is running 130 secs || 389905 markings, 480342 edges, 2728 markings/sec, 130 secs
lola: sara is running 135 secs || 403694 markings, 497934 edges, 2758 markings/sec, 135 secs
lola: sara is running 140 secs || 418074 markings, 516422 edges, 2876 markings/sec, 140 secs
lola: sara is running 145 secs || 432520 markings, 535548 edges, 2889 markings/sec, 145 secs
lola: sara is running 150 secs || 446959 markings, 553570 edges, 2888 markings/sec, 150 secs
lola: sara is running 155 secs || 461580 markings, 574153 edges, 2924 markings/sec, 155 secs
lola: sara is running 160 secs || 475896 markings, 592638 edges, 2863 markings/sec, 160 secs
lola: sara is running 165 secs || 490437 markings, 611634 edges, 2908 markings/sec, 165 secs
lola: sara is running 170 secs || 504837 markings, 629897 edges, 2880 markings/sec, 170 secs
lola: sara is running 175 secs || 519267 markings, 648838 edges, 2886 markings/sec, 175 secs
lola: sara is running 180 secs || 533730 markings, 667497 edges, 2893 markings/sec, 180 secs
lola: sara is running 185 secs || 548096 markings, 686320 edges, 2873 markings/sec, 185 secs
lola: sara is running 190 secs || 562398 markings, 705560 edges, 2860 markings/sec, 190 secs
lola: sara is running 195 secs || 576732 markings, 723885 edges, 2867 markings/sec, 195 secs
lola: sara is running 200 secs || 591318 markings, 744381 edges, 2917 markings/sec, 200 secs
lola: sara is running 205 secs || 605724 markings, 762786 edges, 2881 markings/sec, 205 secs
lola: sara is running 210 secs || 619930 markings, 780982 edges, 2841 markings/sec, 210 secs
lola: sara is running 215 secs || 634146 markings, 799238 edges, 2843 markings/sec, 215 secs
lola: sara is running 220 secs || 648391 markings, 817051 edges, 2849 markings/sec, 220 secs
lola: sara is running 225 secs || 662581 markings, 835263 edges, 2838 markings/sec, 225 secs
lola: sara is running 230 secs || 676764 markings, 853452 edges, 2837 markings/sec, 230 secs
lola: sara is running 235 secs || 690913 markings, 871930 edges, 2830 markings/sec, 235 secs
lola: sara is running 240 secs || 704956 markings, 890021 edges, 2809 markings/sec, 240 secs
lola: sara is running 245 secs || 718845 markings, 907858 edges, 2778 markings/sec, 245 secs
lola: sara is running 250 secs || 732733 markings, 925585 edges, 2778 markings/sec, 250 secs
lola: sara is running 255 secs || 746566 markings, 944314 edges, 2767 markings/sec, 255 secs
lola: sara is running 260 secs || 760526 markings, 962350 edges, 2792 markings/sec, 260 secs
lola: sara is running 265 secs || 774387 markings, 979833 edges, 2772 markings/sec, 265 secs
lola: sara is running 270 secs || 788404 markings, 998532 edges, 2803 markings/sec, 270 secs
lola: sara is running 275 secs || 802347 markings, 1016809 edges, 2789 markings/sec, 275 secs
lola: sara is running 280 secs || 816197 markings, 1034817 edges, 2770 markings/sec, 280 secs
lola: sara is running 285 secs || 830069 markings, 1052613 edges, 2774 markings/sec, 285 secs
lola: sara is running 290 secs || 843804 markings, 1071083 edges, 2747 markings/sec, 290 secs
lola: sara is running 295 secs || 857635 markings, 1089470 edges, 2766 markings/sec, 295 secs
lola: sara is running 300 secs || 871412 markings, 1108170 edges, 2755 markings/sec, 300 secs
lola: sara is running 305 secs || 885271 markings, 1126411 edges, 2772 markings/sec, 305 secs
lola: sara is running 310 secs || 899098 markings, 1144549 edges, 2765 markings/sec, 310 secs
lola: sara is running 315 secs || 913043 markings, 1162999 edges, 2789 markings/sec, 315 secs
lola: sara is running 320 secs || 926953 markings, 1181144 edges, 2782 markings/sec, 320 secs
lola: local time limit reached - aborting
lola: Child process aborted or communication problem between parent and child process
terminate called after throwing an instance of 'std::runtime_error'
what(): parse error at position 0: unexpected character, last read: '\ufffd'
Aborted (core dumped)
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-0 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-1 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-2 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-3 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-4 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-5 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-6 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-7 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-8 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
----- Kill lola and sara stderr -----
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-9 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-10 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-11 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-12 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-13 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-14 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
FORMULA PolyORBLF-PT-S04J06T10-ReachabilityCardinality-15 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT STATE_COMPRESSION STUBBORN_SETS TOPOLOGICAL USE_NUPN
----- Kill lola and sara stdout -----
----- Finished stderr -----
----- Finished stdout -----

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PolyORBLF-PT-S04J06T10"
export BK_EXAMINATION="ReachabilityCardinality"
export BK_TOOL="irma4mcc-structural"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S04J06T10.tgz
mv PolyORBLF-PT-S04J06T10 execution
cd execution
pwd
ls -lh

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-3637"
echo " Executing tool irma4mcc-structural"
echo " Input is PolyORBLF-PT-S04J06T10, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r127-smll-152673529200215"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property ReachabilityCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "ReachabilityCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;