fond
Model Checking Contest 2018
8th edition, Bratislava, Slovakia, June 26, 2018
Execution of r028-ebro-152646306500396
Last Updated
June 26, 2018

About the Execution of LoLA for CSRepetitions-COL-02

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
154.270 804.00 1684.00 14.40 FTFTFFTTTTTFTFFT 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 188K
-rw-r--r-- 1 mcc users 3.5K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 CTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K May 15 18:54 CTLFireability.txt
-rw-r--r-- 1 mcc users 15K May 15 18:54 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 15 18:49 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.0K May 15 18:49 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 2.6K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 11K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 8.6K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.5K May 15 18:54 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 20K May 15 18:54 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 111 May 15 18:54 ReachabilityDeadlock.txt
-rw-r--r-- 1 mcc users 349 May 15 18:54 ReachabilityDeadlock.xml
-rw-r--r-- 1 mcc users 4.3K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 24K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 15 18:49 equiv_pt
-rw-r--r-- 1 mcc users 3 May 15 18:49 instance
-rw-r--r-- 1 mcc users 5 May 15 18:49 iscolored
-rw-r--r-- 1 mcc users 13K May 15 18:49 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool lola
Input is CSRepetitions-COL-02, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r028-ebro-152646306500396
=====================================================================


--------------------
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 CSRepetitions-COL-02-CTLFireability-00
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-01
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-02
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-03
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-04
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-05
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-06
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-07
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-08
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-09
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-10
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-11
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-12
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-13
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-14
FORMULA_NAME CSRepetitions-COL-02-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1526594692831

info: Time: 3600 - MCC
===========================================================================================
prep: translating CSRepetitions-COL-02 Petri net model.pnml into LoLA format
===========================================================================================
prep: translating COL Petri net complete
prep: check for too many tokens
===========================================================================================
prep: translating CSRepetitions-COL-02 formula CTLFireability into LoLA format
===========================================================================================
prep: translating COL formula complete
vrfy: Checking CTLFireability @ CSRepetitions-COL-02 @ 3569 seconds
lola: LoLA will run for 3569 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 51/65536 symbol table entries, 0 collisions
lola: preprocessing...
lola: Size of bit vector: 736
lola: finding significant places
lola: 23 places, 28 transitions, 17 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 45 transition conflict sets
lola: TASK
lola: reading formula from CSRepetitions-COL-02-CTLFireability.task
lola: A (G (NOT(A (G ((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20))))))) : A (G (NOT(((NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)) AND (FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16))) AND E (G ((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)))))))) : E (X ((E (G ((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20)))) AND (FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16))))) : NOT(A (F ((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))))) : (A (G ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))))) OR (((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4) AND NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20)) AND (A (X ((FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)))) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))) OR NOT(NOT(A (F ((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)))))))) : E (F ((A (G (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) AND (FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4))))) AND A (F (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) AND (FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)))))))) : A (G ((E (((FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)) U (FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)))) OR (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR (NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16)) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))))) : E (F (NOT((A (F ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)))) OR A (G ((FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)))))))) : (E (G (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR ((FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16)) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)))) OR A (F ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))))))) OR NOT(A (F ((FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4) OR ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) AND (FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)))))))) : NOT(E (X ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16) AND (FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16)))))) : (NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4)) : (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)) : A (X ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR ((FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)) AND (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)))))) : NOT(E ((E (X ((FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)))) U E (X ((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))))))) : (FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) : (((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) OR NOT(A (((FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16)) U (FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)))))) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)))
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:315
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:338
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:338
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4))
lola: processed formula length: 167
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 1 will run for 237 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))
lola: processed formula length: 141
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 2 will run for 254 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))
lola: processed formula length: 65
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 3 will run for 274 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (X ((E (G ((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20)))) AND (FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16)))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: EX((NOT(A(TRUE U (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)))) AND (FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16))))
lola: processed formula length: 308
lola: 45 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 1 significant temporal operators and needs 5 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 44 markings, 46 edges
lola:
FORMULA CSRepetitions-COL-02-CTLFireability-2 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
========================================
lola: subprocess 4 will run for 297 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (G ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))))) OR (((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIRE... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 4 will run for 297 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)))
lola: processed formula length: 227
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 5 will run for 324 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4) AND NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4) AND NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(... (shortened)
lola: processed formula length: 427
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 6 will run for 356 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F ((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))))
lola: ========================================
lola: SUBTASK
lola: checking eventual occurrence
lola: rewrite Frontend/Parser/formula_rewrite.k:659
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: (NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20))
lola: processed formula length: 173
lola: 44 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate does not eventually occur.
lola: 9 markings, 8 edges
lola: ========================================
lola: subprocess 7 will run for 396 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)))))
lola: ========================================
lola: SUBTASK
lola: checking invariance
lola: Planning: workflow for reachability check: stateequation||search (--findpath=off)
lola: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: processed formula: A (G ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)))))
lola: processed formula length: 235
lola: 44 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
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: rewrite Frontend/Parser/formula_rewrite.k:631
lola: rewrite Frontend/Parser/formula_rewrite.k:694
lola: formula 0: (FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR (NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20)))
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 8 will run for 446 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X ((FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: processed formula: AX((FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)))
lola: processed formula length: 139
lola: 43 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 0 markings, 0 edges
lola: ========================================
lola: SUBRESULT
lola: result: no
lola: The Boolean predicate is false.
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 5 will run for 324 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR ((FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)) AND (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: processed formula: AX((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR ((FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)) AND (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20)))))
lola: processed formula length: 357
lola: 43 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-12 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 6 will run for 356 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A ((A (X ((NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12)))) R A (X ((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: rewrite Frontend/Parser/formula_rewrite.k:742
lola: processed formula: NOT(E(NOT(AX((NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12)))) U NOT(AX((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20))))))
lola: processed formula length: 287
lola: 45 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 1 significant temporal operators and needs 5 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 3 markings, 2 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 7 will run for 396 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (X ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR (NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16)))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: processed formula: AX((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR (NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16))))
lola: processed formula length: 231
lola: 43 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 0 significant temporal operators and needs 0 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 0 markings, 0 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-9 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 8 will run for 446 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (G ((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20))))
lola: ========================================
lola: SUBTASK
lola: checking possible preservation
lola: processed formula: E (G ((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NOT FIREABLE(t21) AND NOT FIREABLE(t20))))
lola: processed formula length: 181
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: state space / EG
lola: The predicate is possibly preserved.
lola: 9 markings, 8 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-3 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 9 will run for 509 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (E (F ((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))))))
lola: ========================================
lola: SUBTASK
lola: checking liveness
lola: AGEF init
lola: rewrite Frontend/Parser/formula_rewrite.k:617
lola: processed formula: (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20))
lola: processed formula length: 141
lola: 43 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH
lola: using tscc preserving stubborn set method (--stubborn)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: tscc_search
lola: The predicate is not live.
lola: 80 markings, 94 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 10 will run for 594 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (((FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR (NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12)) OR (NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16))) OR A (F ((NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND N... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: processed formula: NOT(E(TRUE U ((NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)) AND (FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16))) AND NOT(A(TRUE U (NOT FIREABLE(t27) AND NOT FIREABLE(t26) AND NOT FIREABLE(t25) AND NOT FIREABLE(t24) AND NOT FIREABLE(t23) AND NOT FIREABLE(t22) AND NO... (shortened)
lola: processed formula length: 443
lola: 46 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 7424 markings, 37088 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-1 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 11 will run for 713 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((E (((FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)) U (FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)))) OR (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16) OR (NOT FIREABLE(t19) AND NOT FIRE... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: NOT(E(TRUE U (NOT(E((FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)) U (FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4)))) AND (NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12) AND NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABL... (shortened)
lola: processed formula length: 568
lola: 46 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 7424 markings, 50066 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-6 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 12 will run for 892 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((E (G ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)))) AND E (F ((NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12)))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: processed formula: E(TRUE U (NOT(A(TRUE U (FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)))) AND E(TRUE U (NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12)))))
lola: processed formula length: 192
lola: 46 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 3 significant temporal operators and needs 13 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 31 markings, 51 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-7 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 13 will run for 1189 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((A (G (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) AND (FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE(t6) OR FIREABLE(t5) OR FIREABLE(t4))))) AND A (F (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) AND (FIREABLE(t11) OR FIREABLE(t10) OR FIREABLE(t9) OR FIREABLE(t8) OR FIREABLE(t7) OR FIREABLE... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: E(TRUE U (NOT(E(TRUE U ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)) OR (NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4))))) AND A(TRUE U ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) AND (FIREABLE(t11) OR FIREABLE(t10) OR... (shortened)
lola: processed formula length: 504
lola: 46 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 3 significant temporal operators and needs 13 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 7424 markings, 45052 edges
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 14 will run for 1784 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) OR E (((NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16)) R (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))) AND (FIR... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 14 will run for 1784 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))
lola: processed formula length: 209
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: subprocess 15 will run for 3569 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12))
lola: processed formula length: 69
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: Child process aborted or communication problem between parent and child process
lola: SUBRESULT
lola: result: unknown
lola: The Boolean predicate may be true or false.
lola: ========================================
lola: subprocess 15 will run for 3569 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (E (G (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR ((FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16)) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)))) OR A (F ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))))))) OR E (G ((NOT FIREABLE(t... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 15 will run for 3569 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (G ((NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4) AND ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)) OR (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))))
lola: ========================================
lola: SUBTASK
lola: checking possible preservation
lola: processed formula: E (G ((NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4) AND ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)) OR (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))))
lola: processed formula length: 349
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate is not possibly preserved.
lola: 1 markings, 0 edges
lola: ========================================
lola: Child process aborted or communication problem between parent and child process
lola: SUBRESULT
lola: result: unknown
lola: The Boolean predicate may be true or false.
lola: ========================================
lola: ========================================
lola: ...considering subproblem: (((FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)) OR E (((NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16)) R (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))) AND (FIR... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t27) OR FIREABLE(t26) OR FIREABLE(t25) OR FIREABLE(t24) OR FIREABLE(t23) OR FIREABLE(t22) OR FIREABLE(t21) OR FIREABLE(t20) OR FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))
lola: processed formula length: 209
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: preprocessing
lola: The net violates the given property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12))
lola: processed formula length: 69
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: processed formula with 0 atomic propositions
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: preprocessing
lola: The net satisfies the property already in its initial state.
lola: 0 markings, 0 edges
lola: ========================================
lola: ========================================
lola: ...considering subproblem: E (((NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16)) R (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))
lola: ========================================
lola: SUBTASK
lola: checking existential release
lola: rewrite Frontend/Parser/formula_rewrite.k:646
lola: rewrite Frontend/Parser/formula_rewrite.k:610
lola: processed formula: E (((NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16)) R (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))
lola: processed formula length: 175
lola: 44 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /ER)
lola: state space: using reachability graph (ER version) (--search=depth)
lola: state space: using ltl preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: yes
lola: produced by: state space /ER
lola: There is a path where Predicate Phi releases Predicate Psi.
lola: 0 markings, 0 edges
lola: ========================================
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: ========================================
lola: ...considering subproblem: (E (G (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR ((FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16)) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)))) OR A (F ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0))))))) OR E (G ((NOT FIREABLE(t... (shortened)
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: ========================================
lola: ...considering subproblem: E (G ((NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4) AND ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)) OR (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))))
lola: ========================================
lola: SUBTASK
lola: checking possible preservation
lola: processed formula: E (G ((NOT FIREABLE(t11) AND NOT FIREABLE(t10) AND NOT FIREABLE(t9) AND NOT FIREABLE(t8) AND NOT FIREABLE(t7) AND NOT FIREABLE(t6) AND NOT FIREABLE(t5) AND NOT FIREABLE(t4) AND ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0)) OR (NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0))))))
lola: processed formula length: 349
lola: 42 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space / EG)
lola: state space: using search routine for EG formula (--search=depth)
lola: state space: using EG preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate is not possibly preserved.
lola: 1 markings, 0 edges
lola: ========================================
lola: ========================================
lola: ...considering subproblem: E (G (((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0) OR FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12) OR ((FIREABLE(t19) OR FIREABLE(t18) OR FIREABLE(t17) OR FIREABLE(t16)) AND (FIREABLE(t15) OR FIREABLE(t14) OR FIREABLE(t13) OR FIREABLE(t12)))) OR A (F ((FIREABLE(t3) OR FIREABLE(t2) OR FIREABLE(t1) OR FIREABLE(t0)))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:318
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: NOT(A(TRUE U ((NOT FIREABLE(t3) AND NOT FIREABLE(t2) AND NOT FIREABLE(t1) AND NOT FIREABLE(t0) AND NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12) AND ((NOT FIREABLE(t19) AND NOT FIREABLE(t18) AND NOT FIREABLE(t17) AND NOT FIREABLE(t16)) OR (NOT FIREABLE(t15) AND NOT FIREABLE(t14) AND NOT FIREABLE(t13) AND NOT FIREABLE(t12)))) AND NOT(A(TRUE U (FIREABLE(t3) OR ... (shortened)
lola: processed formula length: 453
lola: 46 rewrites
lola: closed formula file CSRepetitions-COL-02-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: Using CTL preserving stubborn sets
lola: RUNNING
lola: CTL formula contains 2 significant temporal operators and needs 9 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 12 markings, 12 edges
lola: ========================================
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: ========================================

FORMULA CSRepetitions-COL-02-CTLFireability-8 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: RESULT
lola:
SUMMARY: no yes no yes no no yes yes yes yes yes no yes no no yes
lola:
preliminary result: no yes no yes no no yes yes yes yes yes no yes no no yes
lola: memory consumption: 14808 KB
lola: time consumption: 0 seconds

BK_STOP 1526594693635

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

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="CSRepetitions-COL-02"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="lola"
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/CSRepetitions-COL-02.tgz
mv CSRepetitions-COL-02 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 lola"
echo " Input is CSRepetitions-COL-02, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r028-ebro-152646306500396"
echo "====================================================================="
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.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 ;