About the Execution of LoLA for SquareGrid-PT-130613
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 15919.380 | 2665589.00 | 2531363.00 | 26441.10 | FTFTFF?FF?TF?FTF | 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 1.5M
-rw-r--r-- 1 mcc users 3.4K May 15 18:54 CTLCardinality.txt
-rw-r--r-- 1 mcc users 18K 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 17K 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 2.7K May 15 18:54 LTLCardinality.txt
-rw-r--r-- 1 mcc users 12K May 15 18:54 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.8K May 15 18:54 LTLFireability.txt
-rw-r--r-- 1 mcc users 6.4K May 15 18:54 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K 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 2.9K May 15 18:54 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 16K May 15 18:54 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 15 18:54 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 15 18:54 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 15 18:50 equiv_col
-rw-r--r-- 1 mcc users 7 May 15 18:50 instance
-rw-r--r-- 1 mcc users 6 May 15 18:50 iscolored
-rwxr-xr-x 1 mcc users 1.3M May 15 18:50 model.pnml
=====================================================================
Generated by BenchKit 2-3637
Executing tool lola
Input is SquareGrid-PT-130613, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r160-smll-152705512600207
=====================================================================
--------------------
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 SquareGrid-PT-130613-CTLFireability-00
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-01
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-02
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-03
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-04
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-05
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-06
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-07
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-08
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-09
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-10
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-11
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-12
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-13
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-14
FORMULA_NAME SquareGrid-PT-130613-CTLFireability-15
=== Now, execution of the tool begins
BK_START 1527291393371
info: Time: 3600 - MCC
===========================================================================================
prep: translating SquareGrid-PT-130613 Petri net model.pnml into LoLA format
===========================================================================================
prep: translating PT Petri net complete
prep: check for too many tokens
===========================================================================================
prep: translating SquareGrid-PT-130613 formula CTLFireability into LoLA format
===========================================================================================
prep: translating PT formula complete
vrfy: Checking CTLFireability @ SquareGrid-PT-130613 @ 3570 seconds
lola: LoLA will run for 3570 seconds at most (--timelimit)
lola: NET
lola: reading net from model.pnml.lola
lola: finished parsing
lola: closed net file model.pnml.lola
lola: 5057/65536 symbol table entries, 490 collisions
lola: preprocessing...
lola: Size of bit vector: 73632
lola: finding significant places
lola: 2301 places, 2756 transitions, 1403 significant places
lola: computing forward-conflicting sets
lola: computing back-conflicting sets
lola: 3653 transition conflict sets
lola: TASK
lola: reading formula from SquareGrid-PT-130613-CTLFireability.task
lola: NOT(E (G ((A (F (FIREABLE(t1o_10_6))) OR A (G (FIREABLE(t1o_12_5))))))) : E (G (A (F ((FIREABLE(t1i4_3_11) OR FIREABLE(t4o_6_3) OR (FIREABLE(t1i3_2_12) AND FIREABLE(t4i1_9_7))))))) : A (G (E ((FIREABLE(t4i3_6_8) U NOT FIREABLE(t3i4_13_5))))) : (NOT(A (G (E (F (FIREABLE(t3i4_1_1)))))) AND NOT(A (X ((NOT FIREABLE(t2o_4_13) OR FIREABLE(t2i1_3_4)))))) : A (F (E (G (E (G (FIREABLE(t3i1_3_7))))))) : A (F (NOT FIREABLE(t2o_3_2))) : E (F ((E (G (NOT FIREABLE(t2i4_4_9))) AND E ((FIREABLE(t4i1_13_11) U FIREABLE(t4i1_10_7)))))) : A ((A (F ((FIREABLE(t4i1_13_12) OR FIREABLE(t4i1_4_2)))) U (((FIREABLE(t3i2_3_12) OR FIREABLE(t1i2_4_7)) AND NOT FIREABLE(t4i2_2_5)) AND E (F (FIREABLE(t2i1_3_8)))))) : NOT(((NOT(A (F (FIREABLE(tf_d_1)))) AND (NOT FIREABLE(t4i3_5_13) AND NOT FIREABLE(t4i2_3_9) AND (NOT FIREABLE(t4i2_10_5) OR NOT FIREABLE(t3i2_7_11)))) AND E (F ((FIREABLE(t2i3_1_3) OR FIREABLE(t3i1_7_1) OR (FIREABLE(t3i4_8_13) AND FIREABLE(t2o_7_7))))))) : E (G (E (F (A (F (FIREABLE(t1i2_11_1))))))) : E (F (A (X (((FIREABLE(t4i2_3_1) AND FIREABLE(t4i2_8_9)) OR NOT FIREABLE(t1o_11_13)))))) : ((((A (G (FIREABLE(t1i4_11_5))) AND FIREABLE(t3i4_6_10)) AND (FIREABLE(t3i1_5_2) OR E (F (FIREABLE(t2i4_12_7))))) AND ((FIREABLE(t3i1_8_13) AND FIREABLE(t2i4_3_3)) OR A (F ((FIREABLE(t1i4_13_11) AND FIREABLE(t2o_12_4)))))) OR E (X (A (F ((FIREABLE(t1i3_6_9) AND FIREABLE(tf_r_3))))))) : A (((A (G (FIREABLE(t4o_4_7))) OR (FIREABLE(t1i4_9_13) OR FIREABLE(t1i2_11_9) OR (FIREABLE(t2o_2_9) AND FIREABLE(t3i4_6_2)))) U (E (F (FIREABLE(t3i4_7_6))) AND A (F (FIREABLE(t2i3_4_8)))))) : E (X (A (X (A (G (FIREABLE(t3i4_12_12))))))) : NOT(A (G (((FIREABLE(t1i3_10_1) OR FIREABLE(t4i2_12_13) OR FIREABLE(t1i3_7_6)) OR A (F (FIREABLE(t3o_2_3))))))) : A (G (E (X ((NOT FIREABLE(t3i4_12_3) AND (FIREABLE(t1i3_12_3) OR FIREABLE(t4i2_10_2)))))))
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:329
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:329
lola: rewrite Frontend/Parser/formula_rewrite.k:326
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:335
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:461
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:251
lola: rewrite Frontend/Parser/formula_rewrite.k:315
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:315
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:326
lola: rewrite Frontend/Parser/formula_rewrite.k:332
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: rewrite Frontend/Parser/formula_rewrite.k:455
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:251
lola: rewrite Frontend/Parser/formula_rewrite.k:323
lola: rewrite Frontend/Parser/formula_rewrite.k:329
lola: rewrite Frontend/Parser/formula_rewrite.k:318
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: computing a collection of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (E (F (A (G (NOT FIREABLE(t3i4_1_1))))) AND E (X ((FIREABLE(t2o_4_13) AND NOT FIREABLE(t2i1_3_4)))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 0 will run for 223 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (A (G (NOT FIREABLE(t3i4_1_1)))))
lola: ========================================
lola: SUBTASK
lola: checking possible invariance
lola: AGEF init
lola: rewrite Frontend/Parser/formula_rewrite.k:636
lola: rewrite Frontend/Parser/formula_rewrite.k:695
lola: processed formula: FIREABLE(t3i4_1_1)
lola: processed formula length: 18
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 107846 markings, 116477 edges, 21569 markings/sec, 0 secs
lola: 193993 markings, 217518 edges, 17229 markings/sec, 5 secs
lola: 279954 markings, 317087 edges, 17192 markings/sec, 10 secs
lola: 367044 markings, 414485 edges, 17418 markings/sec, 15 secs
lola: 450836 markings, 513185 edges, 16758 markings/sec, 20 secs
lola: 534748 markings, 611884 edges, 16782 markings/sec, 25 secs
lola: 618702 markings, 709919 edges, 16791 markings/sec, 30 secs
lola: 701994 markings, 805359 edges, 16658 markings/sec, 35 secs
lola: 783646 markings, 901417 edges, 16330 markings/sec, 40 secs
lola: 865597 markings, 997814 edges, 16390 markings/sec, 45 secs
lola: 947305 markings, 1094082 edges, 16342 markings/sec, 50 secs
lola: 1028662 markings, 1189826 edges, 16271 markings/sec, 55 secs
lola: 1110325 markings, 1285739 edges, 16333 markings/sec, 60 secs
lola: 1192087 markings, 1382202 edges, 16352 markings/sec, 65 secs
lola: 1274308 markings, 1478804 edges, 16444 markings/sec, 70 secs
lola: 1357475 markings, 1573441 edges, 16633 markings/sec, 75 secs
lola: SUBRESULT
lola: result: yes
lola: produced by: tscc_search
lola: The predicate is cwpossibly invariant.
lola: 1437502 markings, 1662304 edges
lola: ========================================
lola: subprocess 1 will run for 232 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (X ((FIREABLE(t2o_4_13) AND NOT FIREABLE(t2i1_3_4))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: processed formula: EX((FIREABLE(t2o_4_13) AND NOT FIREABLE(t2i1_3_4)))
lola: processed formula length: 51
lola: 43 rewrites
lola: closed formula file SquareGrid-PT-130613-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: ========================================
lola: SUBRESULT
lola: result: yes
lola: The Boolean predicate is true.
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-3 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 1 will run for 232 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (A (X (((FIREABLE(t4i2_3_1) AND FIREABLE(t4i2_8_9)) OR NOT FIREABLE(t1o_11_13))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: processed formula: E(TRUE U AX(((FIREABLE(t4i2_3_1) AND FIREABLE(t4i2_8_9)) OR NOT FIREABLE(t1o_11_13))))
lola: processed formula length: 87
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 22387 markings, 34261 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 2 will run for 248 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: ((A (G (FIREABLE(t1i4_11_5))) AND (FIREABLE(t3i4_6_10) AND ((FIREABLE(t3i1_5_2) OR E (F (FIREABLE(t2i4_12_7)))) AND ((FIREABLE(t3i1_8_13) AND FIREABLE(t2i4_3_3)) OR A (F ((FIREABLE(t1i4_13_11) AND FIREABLE(t2o_12_4)))))))) OR E (X (A (F ((FIREABLE(t1i3_6_9) AND FIREABLE(tf_r_3)))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 2 will run for 248 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t3i1_8_13) AND FIREABLE(t2i4_3_3))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t3i1_8_13) AND FIREABLE(t2i4_3_3))
lola: processed formula length: 44
lola: 42 rewrites
lola: closed formula file SquareGrid-PT-130613-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 3 will run for 268 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: FIREABLE(t3i1_5_2)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: FIREABLE(t3i1_5_2)
lola: processed formula length: 18
lola: 42 rewrites
lola: closed formula file SquareGrid-PT-130613-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 4 will run for 290 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: FIREABLE(t3i4_6_10)
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: FIREABLE(t3i4_6_10)
lola: processed formula length: 19
lola: 42 rewrites
lola: closed formula file SquareGrid-PT-130613-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 5 will run for 316 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (X (A (F ((FIREABLE(t1i3_6_9) AND FIREABLE(tf_r_3))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: processed formula: EX(A(TRUE U (FIREABLE(t1i3_6_9) AND FIREABLE(tf_r_3))))
lola: processed formula length: 55
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 187451 markings, 187587 edges, 37490 markings/sec, 0 secs
lola: 375290 markings, 375491 edges, 37568 markings/sec, 5 secs
lola: 560711 markings, 561002 edges, 37084 markings/sec, 10 secs
lola: 741973 markings, 742323 edges, 36252 markings/sec, 15 secs
lola: 926043 markings, 926458 edges, 36814 markings/sec, 20 secs
lola: 1111101 markings, 1111574 edges, 37012 markings/sec, 25 secs
lola: 1293720 markings, 1294251 edges, 36524 markings/sec, 30 secs
lola: 1471829 markings, 1472400 edges, 35622 markings/sec, 35 secs
lola: 1650212 markings, 1650848 edges, 35677 markings/sec, 40 secs
lola: SUBRESULT
lola: result: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 1734617 markings, 1735292 edges
lola: ========================================
lola: SUBRESULT
lola: result: no
lola: The Boolean predicate is false.
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-11 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 3 will run for 264 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (X (A (X (A (G (FIREABLE(t3i4_12_12)))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:734
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: EX(AX(NOT(E(TRUE U NOT FIREABLE(t3i4_12_12)))))
lola: processed formula length: 47
lola: 46 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 2392 markings, 2392 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 4 will run for 286 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (E (X ((NOT FIREABLE(t3i4_12_3) AND (FIREABLE(t1i3_12_3) OR FIREABLE(t4i2_10_2)))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:721
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: processed formula: NOT(E(TRUE U NOT(EX((NOT FIREABLE(t3i4_12_3) AND (FIREABLE(t1i3_12_3) OR FIREABLE(t4i2_10_2)))))))
lola: processed formula length: 99
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 1625 markings, 1624 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 5 will run for 312 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F (NOT FIREABLE(t2o_3_2)))
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: FIREABLE(t2o_3_2)
lola: processed formula length: 17
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 5608 markings, 5607 edges, 1122 markings/sec, 0 secs
lola: 5931 markings, 5930 edges, 65 markings/sec, 5 secs
lola: 6836 markings, 6835 edges, 181 markings/sec, 10 secs
lola: 7560 markings, 7559 edges, 145 markings/sec, 15 secs
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate does not eventually occur.
lola: 11772 markings, 11772 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-5 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 6 will run for 341 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F (E (G (FIREABLE(t3i1_3_7)))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: A(TRUE U NOT(A(TRUE U NOT FIREABLE(t3i1_3_7))))
lola: processed formula length: 47
lola: 45 rewrites
lola: closed formula file SquareGrid-PT-130613-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: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 5999 markings, 11998 edges
FORMULA SquareGrid-PT-130613-CTLFireability-4 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: ========================================
lola: subprocess 7 will run for 379 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G (E ((FIREABLE(t4i3_6_8) U NOT FIREABLE(t3i4_13_5)))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: processed formula: NOT(E(TRUE U NOT(E(FIREABLE(t4i3_6_8) U NOT FIREABLE(t3i4_13_5)))))
lola: processed formula length: 67
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: no
lola: produced by: CTL model checker
lola: The net does not satisfy the given formula.
lola: 27595 markings, 61509 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-2 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 8 will run for 426 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F (((NOT FIREABLE(t1i3_10_1) AND NOT FIREABLE(t4i2_12_13) AND NOT FIREABLE(t1i3_7_6)) AND E (G (NOT FIREABLE(t3o_2_3))))))
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:300
lola: processed formula: E(TRUE U ((NOT FIREABLE(t1i3_10_1) AND NOT FIREABLE(t4i2_12_13) AND NOT FIREABLE(t1i3_7_6)) AND NOT(A(TRUE U FIREABLE(t3o_2_3)))))
lola: processed formula length: 130
lola: 45 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 39521 markings, 81326 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 9 will run for 487 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (G (A (F ((FIREABLE(t1i4_3_11) OR FIREABLE(t4o_6_3) OR (FIREABLE(t1i3_2_12) AND FIREABLE(t4i1_9_7)))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: processed formula: NOT(A(TRUE U NOT(A(TRUE U (FIREABLE(t1i4_3_11) OR FIREABLE(t4o_6_3) OR (FIREABLE(t1i3_2_12) AND FIREABLE(t4i1_9_7)))))))
lola: processed formula length: 122
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 213702 markings, 217157 edges, 42740 markings/sec, 0 secs
lola: 437620 markings, 441305 edges, 44784 markings/sec, 5 secs
lola: 662047 markings, 665927 edges, 44885 markings/sec, 10 secs
lola: 876424 markings, 880503 edges, 42875 markings/sec, 15 secs
lola: 1100587 markings, 1104899 edges, 44833 markings/sec, 20 secs
lola: 1323113 markings, 1327687 edges, 44505 markings/sec, 25 secs
lola: 1545751 markings, 1550567 edges, 44528 markings/sec, 30 secs
lola: 1770531 markings, 1775695 edges, 44956 markings/sec, 35 secs
lola: 1994401 markings, 1999925 edges, 44774 markings/sec, 40 secs
lola: 2219687 markings, 2225909 edges, 45057 markings/sec, 45 secs
lola: 2443381 markings, 2449855 edges, 44739 markings/sec, 50 secs
lola: 2665291 markings, 2672057 edges, 44382 markings/sec, 55 secs
lola: 2886245 markings, 2893389 edges, 44191 markings/sec, 60 secs
lola: 3106498 markings, 3113999 edges, 44051 markings/sec, 65 secs
lola: 3327153 markings, 3334974 edges, 44131 markings/sec, 70 secs
lola: SUBRESULT
lola: result: yes
lola: produced by: CTL model checker
lola: The net satisfies the given formula.
lola: 3441769 markings, 3449770 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-1 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 10 will run for 555 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (F ((E (G (NOT FIREABLE(t1o_10_6))) AND E (F (NOT FIREABLE(t1o_12_5))))))
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:732
lola: rewrite Frontend/Parser/formula_rewrite.k:300
lola: processed formula: A(TRUE U (NOT(A(TRUE U FIREABLE(t1o_10_6))) AND E(TRUE U NOT FIREABLE(t1o_12_5))))
lola: processed formula length: 82
lola: 46 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 6125 markings, 12250 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-0 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 11 will run for 666 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (F ((E (G (NOT FIREABLE(t2i4_4_9))) AND E ((FIREABLE(t4i1_13_11) U FIREABLE(t4i1_10_7))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: E(TRUE U (NOT(A(TRUE U FIREABLE(t2i4_4_9))) AND E(FIREABLE(t4i1_13_11) U FIREABLE(t4i1_10_7))))
lola: processed formula length: 95
lola: 46 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 258516 markings, 261136 edges, 51703 markings/sec, 0 secs
lola: 515475 markings, 519502 edges, 51392 markings/sec, 5 secs
lola: 765347 markings, 770220 edges, 49974 markings/sec, 10 secs
lola: 1014908 markings, 1020624 edges, 49912 markings/sec, 15 secs
lola: 1263507 markings, 1269892 edges, 49720 markings/sec, 20 secs
lola: 1507914 markings, 1514890 edges, 48881 markings/sec, 25 secs
lola: 1746851 markings, 1754318 edges, 47787 markings/sec, 30 secs
lola: 1983726 markings, 1991638 edges, 47375 markings/sec, 35 secs
lola: 2218561 markings, 2226866 edges, 46967 markings/sec, 40 secs
lola: 2448484 markings, 2463023 edges, 45985 markings/sec, 45 secs
lola: 2619618 markings, 2733110 edges, 34227 markings/sec, 50 secs
lola: 2788366 markings, 3003314 edges, 33750 markings/sec, 55 secs
lola: 2950195 markings, 3273143 edges, 32366 markings/sec, 60 secs
lola: 3118096 markings, 3542971 edges, 33580 markings/sec, 65 secs
lola: 3287072 markings, 3812585 edges, 33795 markings/sec, 70 secs
lola: 3451305 markings, 4082541 edges, 32847 markings/sec, 75 secs
lola: 3624686 markings, 4353411 edges, 34676 markings/sec, 80 secs
lola: 3797818 markings, 4624472 edges, 34626 markings/sec, 85 secs
lola: 3965480 markings, 4894491 edges, 33532 markings/sec, 90 secs
lola: 4125814 markings, 5160794 edges, 32067 markings/sec, 95 secs
lola: 4293296 markings, 5424809 edges, 33496 markings/sec, 100 secs
lola: 4455353 markings, 5690116 edges, 32411 markings/sec, 105 secs
lola: 4610670 markings, 5954902 edges, 31063 markings/sec, 110 secs
lola: 4773503 markings, 6219170 edges, 32567 markings/sec, 115 secs
lola: 4942255 markings, 6478415 edges, 33750 markings/sec, 120 secs
lola: 5107827 markings, 6739678 edges, 33114 markings/sec, 125 secs
lola: 5271361 markings, 7005064 edges, 32707 markings/sec, 130 secs
lola: 5436661 markings, 7270832 edges, 33060 markings/sec, 135 secs
lola: 5601950 markings, 7536458 edges, 33058 markings/sec, 140 secs
lola: 5767036 markings, 7802811 edges, 33017 markings/sec, 145 secs
lola: 5926390 markings, 8069127 edges, 31871 markings/sec, 150 secs
lola: 6087200 markings, 8335444 edges, 32162 markings/sec, 155 secs
lola: 6247246 markings, 8602537 edges, 32009 markings/sec, 160 secs
lola: 6412790 markings, 8868124 edges, 33109 markings/sec, 165 secs
lola: 6580586 markings, 9132106 edges, 33559 markings/sec, 170 secs
lola: 6746976 markings, 9396114 edges, 33278 markings/sec, 175 secs
lola: 6913229 markings, 9660223 edges, 33251 markings/sec, 180 secs
lola: 7074990 markings, 9925070 edges, 32352 markings/sec, 185 secs
lola: 7232812 markings, 10189738 edges, 31564 markings/sec, 190 secs
lola: 7404473 markings, 10454192 edges, 34332 markings/sec, 195 secs
lola: 7567801 markings, 10718923 edges, 32666 markings/sec, 200 secs
lola: 7737929 markings, 10981471 edges, 34026 markings/sec, 205 secs
lola: 7905676 markings, 11245176 edges, 33549 markings/sec, 210 secs
lola: 8070895 markings, 11509462 edges, 33044 markings/sec, 215 secs
lola: 8239489 markings, 11772841 edges, 33719 markings/sec, 220 secs
lola: 8406815 markings, 12036660 edges, 33465 markings/sec, 225 secs
lola: 8569829 markings, 12301678 edges, 32603 markings/sec, 230 secs
lola: 8731456 markings, 12566442 edges, 32325 markings/sec, 235 secs
lola: 8895148 markings, 12831729 edges, 32738 markings/sec, 240 secs
lola: 9045619 markings, 13073770 edges, 30094 markings/sec, 245 secs
lola: 9204541 markings, 13339472 edges, 31784 markings/sec, 250 secs
lola: 9363976 markings, 13598113 edges, 31887 markings/sec, 255 secs
lola: 9510740 markings, 13842267 edges, 29353 markings/sec, 260 secs
lola: 9676226 markings, 14107689 edges, 33097 markings/sec, 265 secs
lola: 9838193 markings, 14373701 edges, 32393 markings/sec, 270 secs
lola: 10001941 markings, 14639600 edges, 32750 markings/sec, 275 secs
lola: 10163650 markings, 14906294 edges, 32342 markings/sec, 280 secs
lola: 10318380 markings, 15154438 edges, 30946 markings/sec, 285 secs
lola: 10485538 markings, 15416735 edges, 33432 markings/sec, 290 secs
lola: 10650982 markings, 15679210 edges, 33089 markings/sec, 295 secs
lola: 10813790 markings, 15942260 edges, 32562 markings/sec, 300 secs
lola: 10981138 markings, 16205928 edges, 33470 markings/sec, 305 secs
lola: 11142683 markings, 16468903 edges, 32309 markings/sec, 310 secs
lola: 11295903 markings, 16720974 edges, 30644 markings/sec, 315 secs
lola: 11455093 markings, 16984454 edges, 31838 markings/sec, 320 secs
lola: 11615599 markings, 17248724 edges, 32101 markings/sec, 325 secs
lola: 11772467 markings, 17506439 edges, 31374 markings/sec, 330 secs
lola: 11932166 markings, 17770573 edges, 31940 markings/sec, 335 secs
lola: 12093906 markings, 18034862 edges, 32348 markings/sec, 340 secs
lola: 12259318 markings, 18299133 edges, 33082 markings/sec, 345 secs
lola: 12418875 markings, 18563848 edges, 31911 markings/sec, 350 secs
lola: 12574850 markings, 18828566 edges, 31195 markings/sec, 355 secs
lola: 12736237 markings, 19093718 edges, 32277 markings/sec, 360 secs
lola: 12890531 markings, 19358333 edges, 30859 markings/sec, 365 secs
lola: 13052720 markings, 19623158 edges, 32438 markings/sec, 370 secs
lola: 13213315 markings, 19888534 edges, 32119 markings/sec, 375 secs
lola: 13371926 markings, 20145892 edges, 31722 markings/sec, 380 secs
lola: 13402248 markings, 20193267 edges, 6064 markings/sec, 385 secs
lola: 13404215 markings, 20196388 edges, 393 markings/sec, 390 secs
lola: 13406380 markings, 20199877 edges, 433 markings/sec, 395 secs
lola: 13409779 markings, 20205218 edges, 680 markings/sec, 400 secs
lola: 13410535 markings, 20206447 edges, 151 markings/sec, 405 secs
lola: 13410624 markings, 20206592 edges, 18 markings/sec, 410 secs
lola: 13410700 markings, 20206714 edges, 15 markings/sec, 415 secs
lola: 13410940 markings, 20207085 edges, 48 markings/sec, 420 secs
lola: 13412594 markings, 20209765 edges, 331 markings/sec, 425 secs
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 12 will run for 724 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A ((A (F ((FIREABLE(t4i1_13_12) OR FIREABLE(t4i1_4_2)))) U (((FIREABLE(t3i2_3_12) OR FIREABLE(t1i2_4_7)) AND NOT FIREABLE(t4i2_2_5)) AND E (F (FIREABLE(t2i1_3_8))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:739
lola: processed formula: A(A(TRUE U (FIREABLE(t4i1_13_12) OR FIREABLE(t4i1_4_2))) U (((FIREABLE(t3i2_3_12) OR FIREABLE(t1i2_4_7)) AND NOT FIREABLE(t4i2_2_5)) AND E(TRUE U FIREABLE(t2i1_3_8))))
lola: processed formula length: 169
lola: 45 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 10481 markings, 10482 edges
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-7 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: subprocess 13 will run for 965 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (((A (G (FIREABLE(t4o_4_7))) OR (FIREABLE(t1i4_9_13) OR FIREABLE(t1i2_11_9) OR (FIREABLE(t2o_2_9) AND FIREABLE(t3i4_6_2)))) U (E (F (FIREABLE(t3i4_7_6))) AND A (F (FIREABLE(t2i3_4_8))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:739
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: A((NOT(E(TRUE U NOT FIREABLE(t4o_4_7))) OR (FIREABLE(t1i4_9_13) OR FIREABLE(t1i2_11_9) OR (FIREABLE(t2o_2_9) AND FIREABLE(t3i4_6_2)))) U (E(TRUE U FIREABLE(t3i4_7_6)) AND A(TRUE U FIREABLE(t2i3_4_8))))
lola: processed formula length: 203
lola: 47 rewrites
lola: closed formula file SquareGrid-PT-130613-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 4 significant temporal operators and needs 17 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: 170343 markings, 262752 edges, 34069 markings/sec, 0 secs
lola: 340822 markings, 533903 edges, 34096 markings/sec, 5 secs
lola: 505895 markings, 805034 edges, 33015 markings/sec, 10 secs
lola: 671391 markings, 1076584 edges, 33099 markings/sec, 15 secs
lola: 841879 markings, 1347541 edges, 34098 markings/sec, 20 secs
lola: 1007864 markings, 1619010 edges, 33197 markings/sec, 25 secs
lola: 1180686 markings, 1890821 edges, 34564 markings/sec, 30 secs
lola: 1353559 markings, 2163106 edges, 34575 markings/sec, 35 secs
lola: 1523788 markings, 2434498 edges, 34046 markings/sec, 40 secs
lola: 1686395 markings, 2705413 edges, 32521 markings/sec, 45 secs
lola: 1857585 markings, 2975773 edges, 34238 markings/sec, 50 secs
lola: 2023457 markings, 3246831 edges, 33174 markings/sec, 55 secs
lola: 2182713 markings, 3517761 edges, 31851 markings/sec, 60 secs
lola: 2349773 markings, 3787879 edges, 33412 markings/sec, 65 secs
lola: 2522145 markings, 4053616 edges, 34474 markings/sec, 70 secs
lola: 2689934 markings, 4319826 edges, 33558 markings/sec, 75 secs
lola: 2855233 markings, 4586681 edges, 33060 markings/sec, 80 secs
lola: 3020485 markings, 4853237 edges, 33050 markings/sec, 85 secs
lola: 3187110 markings, 5120226 edges, 33325 markings/sec, 90 secs
lola: 3352299 markings, 5387249 edges, 33038 markings/sec, 95 secs
lola: 3511915 markings, 5654409 edges, 31923 markings/sec, 100 secs
lola: 3673345 markings, 5921682 edges, 32286 markings/sec, 105 secs
lola: 3832943 markings, 6189596 edges, 31920 markings/sec, 110 secs
lola: 4001415 markings, 6456022 edges, 33694 markings/sec, 115 secs
lola: 4169377 markings, 6721673 edges, 33592 markings/sec, 120 secs
lola: 4335985 markings, 6986958 edges, 33322 markings/sec, 125 secs
lola: 4502106 markings, 7252391 edges, 33224 markings/sec, 130 secs
lola: 4663573 markings, 7518439 edges, 32293 markings/sec, 135 secs
lola: 4826161 markings, 7784170 edges, 32518 markings/sec, 140 secs
lola: 4997964 markings, 8050776 edges, 34361 markings/sec, 145 secs
lola: 5163774 markings, 8316530 edges, 33162 markings/sec, 150 secs
lola: 5333459 markings, 8581333 edges, 33937 markings/sec, 155 secs
lola: 5500048 markings, 8846373 edges, 33318 markings/sec, 160 secs
lola: 5668621 markings, 9111477 edges, 33715 markings/sec, 165 secs
lola: 5837015 markings, 9375675 edges, 33679 markings/sec, 170 secs
lola: 6004254 markings, 9640276 edges, 33448 markings/sec, 175 secs
lola: 6168057 markings, 9905879 edges, 32761 markings/sec, 180 secs
lola: 6329257 markings, 10171223 edges, 32240 markings/sec, 185 secs
lola: 6493920 markings, 10437118 edges, 32933 markings/sec, 190 secs
lola: 6656032 markings, 10702859 edges, 32422 markings/sec, 195 secs
lola: 6817390 markings, 10969135 edges, 32272 markings/sec, 200 secs
lola: 6980586 markings, 11235536 edges, 32639 markings/sec, 205 secs
lola: 7141741 markings, 11502285 edges, 32231 markings/sec, 210 secs
lola: 7308543 markings, 11768547 edges, 33360 markings/sec, 215 secs
lola: 7471705 markings, 12035379 edges, 32632 markings/sec, 220 secs
lola: 7634803 markings, 12302265 edges, 32620 markings/sec, 225 secs
lola: 7796578 markings, 12569342 edges, 32355 markings/sec, 230 secs
lola: 7963229 markings, 12832371 edges, 33330 markings/sec, 235 secs
lola: 8130024 markings, 13095592 edges, 33359 markings/sec, 240 secs
lola: 8296853 markings, 13358978 edges, 33366 markings/sec, 245 secs
lola: 8460882 markings, 13623246 edges, 32806 markings/sec, 250 secs
lola: 8624961 markings, 13887265 edges, 32816 markings/sec, 255 secs
lola: 8784935 markings, 14151141 edges, 31995 markings/sec, 260 secs
lola: 8944996 markings, 14415368 edges, 32012 markings/sec, 265 secs
lola: 9108977 markings, 14679999 edges, 32796 markings/sec, 270 secs
lola: 9267144 markings, 14944657 edges, 31633 markings/sec, 275 secs
lola: 9430745 markings, 15209604 edges, 32720 markings/sec, 280 secs
lola: 9591814 markings, 15474701 edges, 32214 markings/sec, 285 secs
lola: 9755260 markings, 15739689 edges, 32689 markings/sec, 290 secs
lola: 9917474 markings, 16005137 edges, 32443 markings/sec, 295 secs
lola: 10076191 markings, 16270684 edges, 31743 markings/sec, 300 secs
lola: 10234400 markings, 16536645 edges, 31642 markings/sec, 305 secs
lola: 10392848 markings, 16802444 edges, 31690 markings/sec, 310 secs
lola: 10554369 markings, 17067970 edges, 32304 markings/sec, 315 secs
lola: 10716000 markings, 17333926 edges, 32326 markings/sec, 320 secs
lola: 10875617 markings, 17600561 edges, 31923 markings/sec, 325 secs
lola: 11041393 markings, 17867107 edges, 33155 markings/sec, 330 secs
lola: 11204058 markings, 18133729 edges, 32533 markings/sec, 335 secs
lola: 11368802 markings, 18400595 edges, 32949 markings/sec, 340 secs
lola: 11458003 markings, 18547428 edges, 17840 markings/sec, 345 secs
lola: 11460816 markings, 18551844 edges, 563 markings/sec, 350 secs
lola: 11463777 markings, 18556479 edges, 592 markings/sec, 355 secs
lola: 11464675 markings, 18557923 edges, 180 markings/sec, 360 secs
lola: 11468590 markings, 18564190 edges, 783 markings/sec, 365 secs
lola: 11470791 markings, 18567715 edges, 440 markings/sec, 370 secs
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 14 will run for 1258 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: E (G (E (F (FIREABLE(t1i2_11_1)))))
lola: ========================================
lola: SUBTASK
lola: checking possible preservation of reachability
lola: rewrite Frontend/Parser/formula_rewrite.k:641
lola: processed formula: FIREABLE(t1i2_11_1)
lola: processed formula length: 19
lola: 43 rewrites
lola: closed formula file SquareGrid-PT-130613-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EGEF)
lola: state space: using reachability graph (EGEF version) (--search=depth)
lola: state space: using ctl preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: 170181 markings, 262394 edges, 34036 markings/sec, 0 secs
lola: 343838 markings, 538991 edges, 34731 markings/sec, 5 secs
lola: 511442 markings, 815530 edges, 33521 markings/sec, 10 secs
lola: 681763 markings, 1092374 edges, 34064 markings/sec, 15 secs
lola: 855222 markings, 1369185 edges, 34692 markings/sec, 20 secs
lola: 1023800 markings, 1646102 edges, 33716 markings/sec, 25 secs
lola: 1201241 markings, 1923520 edges, 35488 markings/sec, 30 secs
lola: 1379317 markings, 2201550 edges, 35615 markings/sec, 35 secs
lola: 1549471 markings, 2478296 edges, 34031 markings/sec, 40 secs
lola: 1718142 markings, 2754243 edges, 33734 markings/sec, 45 secs
lola: 1892003 markings, 3030221 edges, 34772 markings/sec, 50 secs
lola: 2059498 markings, 3306788 edges, 33499 markings/sec, 55 secs
lola: 2222343 markings, 3583205 edges, 32569 markings/sec, 60 secs
lola: 2395845 markings, 3857150 edges, 34700 markings/sec, 65 secs
lola: 2569232 markings, 4128691 edges, 34677 markings/sec, 70 secs
lola: 2739740 markings, 4400634 edges, 34102 markings/sec, 75 secs
lola: 2910077 markings, 4672470 edges, 34067 markings/sec, 80 secs
lola: 3076986 markings, 4944855 edges, 33382 markings/sec, 85 secs
lola: 3247371 markings, 5217536 edges, 34077 markings/sec, 90 secs
lola: 3413626 markings, 5490266 edges, 33251 markings/sec, 95 secs
lola: 3577824 markings, 5763007 edges, 32840 markings/sec, 100 secs
lola: 3742018 markings, 6036319 edges, 32839 markings/sec, 105 secs
lola: 3906554 markings, 6309482 edges, 32907 markings/sec, 110 secs
lola: 4079541 markings, 6579951 edges, 34597 markings/sec, 115 secs
lola: 4252443 markings, 6850832 edges, 34580 markings/sec, 120 secs
lola: 4421473 markings, 7121062 edges, 33806 markings/sec, 125 secs
lola: 4588726 markings, 7391787 edges, 33451 markings/sec, 130 secs
lola: 4747768 markings, 7663044 edges, 31808 markings/sec, 135 secs
lola: 4922683 markings, 7932779 edges, 34983 markings/sec, 140 secs
lola: 5091299 markings, 8204597 edges, 33723 markings/sec, 145 secs
lola: 5264699 markings, 8473915 edges, 34680 markings/sec, 150 secs
lola: 5437551 markings, 8744133 edges, 34570 markings/sec, 155 secs
lola: 5604993 markings, 9015556 edges, 33488 markings/sec, 160 secs
lola: 5780234 markings, 9284983 edges, 35048 markings/sec, 165 secs
lola: 5950179 markings, 9555140 edges, 33989 markings/sec, 170 secs
lola: 6115658 markings, 9820497 edges, 33096 markings/sec, 175 secs
lola: 6280545 markings, 10090009 edges, 32977 markings/sec, 180 secs
lola: 6446971 markings, 10361652 edges, 33285 markings/sec, 185 secs
lola: 6615754 markings, 10633555 edges, 33757 markings/sec, 190 secs
lola: 6778732 markings, 10905717 edges, 32596 markings/sec, 195 secs
lola: 6946663 markings, 11178148 edges, 33586 markings/sec, 200 secs
lola: 7110958 markings, 11451278 edges, 32859 markings/sec, 205 secs
lola: 7281700 markings, 11723481 edges, 34148 markings/sec, 210 secs
lola: 7447875 markings, 11996440 edges, 33235 markings/sec, 215 secs
lola: 7614682 markings, 12269341 edges, 33361 markings/sec, 220 secs
lola: 7780340 markings, 12542646 edges, 33132 markings/sec, 225 secs
lola: 7949959 markings, 12811781 edges, 33924 markings/sec, 230 secs
lola: 8119670 markings, 13079634 edges, 33942 markings/sec, 235 secs
lola: 8288409 markings, 13344753 edges, 33748 markings/sec, 240 secs
lola: 8454896 markings, 13613883 edges, 33297 markings/sec, 245 secs
lola: 8622284 markings, 13883028 edges, 33478 markings/sec, 250 secs
lola: 8785913 markings, 14152788 edges, 32726 markings/sec, 255 secs
lola: 8950174 markings, 14423245 edges, 32852 markings/sec, 260 secs
lola: 9117827 markings, 14693963 edges, 33531 markings/sec, 265 secs
lola: 9280041 markings, 14964972 edges, 32443 markings/sec, 270 secs
lola: 9443312 markings, 15231761 edges, 32654 markings/sec, 275 secs
lola: 9606021 markings, 15497795 edges, 32542 markings/sec, 280 secs
lola: 9773233 markings, 15768008 edges, 33442 markings/sec, 285 secs
lola: 9936034 markings, 16036489 edges, 32560 markings/sec, 290 secs
lola: 10097849 markings, 16307622 edges, 32363 markings/sec, 295 secs
lola: 10260902 markings, 16579647 edges, 32611 markings/sec, 300 secs
lola: 10419672 markings, 16847472 edges, 31754 markings/sec, 305 secs
lola: 10583394 markings, 17115356 edges, 32744 markings/sec, 310 secs
lola: 10748780 markings, 17387441 edges, 33077 markings/sec, 315 secs
lola: 10912913 markings, 17660457 edges, 32827 markings/sec, 320 secs
lola: 11080890 markings, 17932940 edges, 33595 markings/sec, 325 secs
lola: 11248923 markings, 18205846 edges, 33607 markings/sec, 330 secs
lola: 11416695 markings, 18478976 edges, 33554 markings/sec, 335 secs
lola: 11583877 markings, 18752212 edges, 33436 markings/sec, 340 secs
lola: 11746807 markings, 19024813 edges, 32586 markings/sec, 345 secs
lola: 11864872 markings, 19227761 edges, 23613 markings/sec, 350 secs
lola: 11867550 markings, 19232056 edges, 536 markings/sec, 355 secs
lola: 11873198 markings, 19241215 edges, 1130 markings/sec, 360 secs
lola: 11873879 markings, 19242413 edges, 136 markings/sec, 365 secs
lola: Child process aborted or communication problem between parent and child process
lola: subprocess 15 will run for 2143 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (A (F (FIREABLE(tf_d_1))) OR ((FIREABLE(t4i3_5_13) OR FIREABLE(t4i2_3_9) OR (FIREABLE(t4i2_10_5) AND FIREABLE(t3i2_7_11))) OR A (G ((NOT FIREABLE(t2i3_1_3) AND NOT FIREABLE(t3i1_7_1) AND (NOT FIREABLE(t3i4_8_13) OR NOT FIREABLE(t2o_7_7)))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: subprocess 15 will run for 2143 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t4i3_5_13) OR FIREABLE(t4i2_3_9) OR (FIREABLE(t4i2_10_5) AND FIREABLE(t3i2_7_11)))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t4i3_5_13) OR FIREABLE(t4i2_3_9) OR (FIREABLE(t4i2_10_5) AND FIREABLE(t3i2_7_11)))
lola: processed formula length: 94
lola: 42 rewrites
lola: closed formula file SquareGrid-PT-130613-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: Child process aborted or communication problem between parent and child process
lola: subprocess 17 will run for 1 seconds at most (--localtimelimit=0)
lola: ========================================
lola: ...considering subproblem: A (G ((NOT FIREABLE(t2i3_1_3) AND NOT FIREABLE(t3i1_7_1) AND (NOT FIREABLE(t3i4_8_13) OR NOT FIREABLE(t2o_7_7)))))
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:695
lola: processed formula: A (G ((NOT FIREABLE(t2i3_1_3) AND NOT FIREABLE(t3i1_7_1) AND (NOT FIREABLE(t3i4_8_13) OR NOT FIREABLE(t2o_7_7)))))
lola: processed formula length: 115
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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:695
lola: formula 0: (FIREABLE(t2i3_1_3) OR FIREABLE(t3i1_7_1) OR (FIREABLE(t3i4_8_13) AND FIREABLE(t2o_7_7)))
lola: state equation: Generated DNF with 8 literals and 3 conjunctive subformulas
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 2 markings, 1 edges
lola: SUBRESULT
lola: result: unknown
lola: The Boolean predicate may be true or false.
lola: ========================================
lola: ========================================
lola: ========================================
lola: ...considering subproblem: E (F ((E (G (NOT FIREABLE(t2i4_4_9))) AND E ((FIREABLE(t4i1_13_11) U FIREABLE(t4i1_10_7))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:724
lola: rewrite Frontend/Parser/formula_rewrite.k:726
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: E(TRUE U (NOT(A(TRUE U FIREABLE(t2i4_4_9))) AND E(FIREABLE(t4i1_13_11) U FIREABLE(t4i1_10_7))))
lola: processed formula length: 95
lola: 46 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 256940 markings, 259550 edges, 51388 markings/sec, 0 secs
lola: 514033 markings, 518057 edges, 51419 markings/sec, 5 secs
lola: 764027 markings, 768897 edges, 49999 markings/sec, 10 secs
lola: 1013817 markings, 1019533 edges, 49958 markings/sec, 15 secs
lola: 1262617 markings, 1269002 edges, 49760 markings/sec, 20 secs
lola: 1507132 markings, 1514108 edges, 48903 markings/sec, 25 secs
lola: 1746216 markings, 1753684 edges, 47817 markings/sec, 30 secs
lola: 1983278 markings, 1991190 edges, 47412 markings/sec, 35 secs
lola: 2218010 markings, 2226314 edges, 46946 markings/sec, 40 secs
lola: 2448049 markings, 2462399 edges, 46008 markings/sec, 45 secs
lola: 2619362 markings, 2732627 edges, 34263 markings/sec, 50 secs
lola: 2788311 markings, 3003225 edges, 33790 markings/sec, 55 secs
lola: 2950749 markings, 3274071 edges, 32488 markings/sec, 60 secs
lola: 3119274 markings, 3544903 edges, 33705 markings/sec, 65 secs
lola: 3288896 markings, 3815478 edges, 33924 markings/sec, 70 secs
lola: 3453368 markings, 4086210 edges, 32894 markings/sec, 75 secs
lola: 3627572 markings, 4358133 edges, 34841 markings/sec, 80 secs
lola: 3801711 markings, 4630191 edges, 34828 markings/sec, 85 secs
lola: 3969084 markings, 4900849 edges, 33475 markings/sec, 90 secs
lola: 4132523 markings, 5170944 edges, 32688 markings/sec, 95 secs
lola: 4303544 markings, 5440788 edges, 34204 markings/sec, 100 secs
lola: 4468375 markings, 5711382 edges, 32966 markings/sec, 105 secs
lola: 4626345 markings, 5981793 edges, 31594 markings/sec, 110 secs
lola: 4795174 markings, 6250672 edges, 33766 markings/sec, 115 secs
lola: 4966701 markings, 6516707 edges, 34305 markings/sec, 120 secs
lola: 5134243 markings, 6782784 edges, 33508 markings/sec, 125 secs
lola: 5298948 markings, 7049385 edges, 32941 markings/sec, 130 secs
lola: 5463889 markings, 7316024 edges, 32988 markings/sec, 135 secs
lola: 5631001 markings, 7583211 edges, 33422 markings/sec, 140 secs
lola: 5796285 markings, 7850412 edges, 33057 markings/sec, 145 secs
lola: 5955459 markings, 8117428 edges, 31835 markings/sec, 150 secs
lola: 6117500 markings, 8384757 edges, 32408 markings/sec, 155 secs
lola: 6276407 markings, 8652729 edges, 31781 markings/sec, 160 secs
lola: 6446504 markings, 8918585 edges, 34019 markings/sec, 165 secs
lola: 6613402 markings, 9183997 edges, 33380 markings/sec, 170 secs
lola: 6779890 markings, 9448904 edges, 33298 markings/sec, 175 secs
lola: 6945561 markings, 9714323 edges, 33134 markings/sec, 180 secs
lola: 7104413 markings, 9980305 edges, 31770 markings/sec, 185 secs
lola: 7270251 markings, 10245613 edges, 33168 markings/sec, 190 secs
lola: 7439796 markings, 10511829 edges, 33909 markings/sec, 195 secs
lola: 7607045 markings, 10776854 edges, 33450 markings/sec, 200 secs
lola: 7775182 markings, 11041137 edges, 33627 markings/sec, 205 secs
lola: 7942592 markings, 11306028 edges, 33482 markings/sec, 210 secs
lola: 8110495 markings, 11570961 edges, 33581 markings/sec, 215 secs
lola: 8279607 markings, 11835743 edges, 33822 markings/sec, 220 secs
lola: 8446553 markings, 12100596 edges, 33389 markings/sec, 225 secs
lola: 8610804 markings, 12366894 edges, 32850 markings/sec, 230 secs
lola: 8772784 markings, 12632471 edges, 32396 markings/sec, 235 secs
lola: 8936625 markings, 12898759 edges, 32768 markings/sec, 240 secs
lola: 9099550 markings, 13165086 edges, 32585 markings/sec, 245 secs
lola: 9262046 markings, 13431773 edges, 32499 markings/sec, 250 secs
lola: 9424502 markings, 13698816 edges, 32491 markings/sec, 255 secs
lola: 9586446 markings, 13966130 edges, 32389 markings/sec, 260 secs
lola: 9752176 markings, 14232800 edges, 33146 markings/sec, 265 secs
lola: 9916030 markings, 14500223 edges, 32771 markings/sec, 270 secs
lola: 10080378 markings, 14767845 edges, 32870 markings/sec, 275 secs
lola: 10240729 markings, 15034960 edges, 32070 markings/sec, 280 secs
lola: 10409304 markings, 15297998 edges, 33715 markings/sec, 285 secs
lola: 10576070 markings, 15561613 edges, 33353 markings/sec, 290 secs
lola: 10741149 markings, 15825098 edges, 33016 markings/sec, 295 secs
lola: 10907530 markings, 16089484 edges, 33276 markings/sec, 300 secs
lola: 11071243 markings, 16353549 edges, 32743 markings/sec, 305 secs
lola: 11230936 markings, 16617720 edges, 31939 markings/sec, 310 secs
lola: 11391851 markings, 16882074 edges, 32183 markings/sec, 315 secs
lola: 11555550 markings, 17146773 edges, 32740 markings/sec, 320 secs
lola: 11713641 markings, 17411673 edges, 31618 markings/sec, 325 secs
lola: 11875698 markings, 17676935 edges, 32411 markings/sec, 330 secs
lola: 12038406 markings, 17942187 edges, 32542 markings/sec, 335 secs
lola: 12202713 markings, 18207551 edges, 32861 markings/sec, 340 secs
lola: 12363769 markings, 18473271 edges, 32211 markings/sec, 345 secs
lola: 12522538 markings, 18739105 edges, 31754 markings/sec, 350 secs
lola: 12681767 markings, 19005202 edges, 31846 markings/sec, 355 secs
lola: 12839845 markings, 19271279 edges, 31616 markings/sec, 360 secs
lola: 13002445 markings, 19537335 edges, 32520 markings/sec, 365 secs
lola: 13164226 markings, 19803380 edges, 32356 markings/sec, 370 secs
lola: 13323613 markings, 20070311 edges, 31877 markings/sec, 375 secs
lola: 13402591 markings, 20193815 edges, 15796 markings/sec, 380 secs
lola: 13403862 markings, 20195824 edges, 254 markings/sec, 385 secs
lola: 13405755 markings, 20198895 edges, 379 markings/sec, 390 secs
lola: 13408260 markings, 20202820 edges, 501 markings/sec, 395 secs
lola: 13410582 markings, 20206528 edges, 464 markings/sec, 400 secs
lola: 13412203 markings, 20209112 edges, 324 markings/sec, 405 secs
lola: Child process aborted or communication problem between parent and child process
FORMULA SquareGrid-PT-130613-CTLFireability-6 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: ========================================
lola: ...considering subproblem: A (((A (G (FIREABLE(t4o_4_7))) OR (FIREABLE(t1i4_9_13) OR FIREABLE(t1i2_11_9) OR (FIREABLE(t2o_2_9) AND FIREABLE(t3i4_6_2)))) U (E (F (FIREABLE(t3i4_7_6))) AND A (F (FIREABLE(t2i3_4_8))))))
lola: ========================================
lola: SUBTASK
lola: checking CTL
lola: rewrite Frontend/Parser/formula_rewrite.k:737
lola: rewrite Frontend/Parser/formula_rewrite.k:719
lola: rewrite Frontend/Parser/formula_rewrite.k:732
lola: rewrite Frontend/Parser/formula_rewrite.k:739
lola: rewrite Frontend/Parser/formula_rewrite.k:297
lola: processed formula: A((NOT(E(TRUE U NOT FIREABLE(t4o_4_7))) OR (FIREABLE(t1i4_9_13) OR FIREABLE(t1i2_11_9) OR (FIREABLE(t2o_2_9) AND FIREABLE(t3i4_6_2)))) U (E(TRUE U FIREABLE(t3i4_7_6)) AND A(TRUE U FIREABLE(t2i3_4_8))))
lola: processed formula length: 203
lola: 47 rewrites
lola: closed formula file SquareGrid-PT-130613-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 4 significant temporal operators and needs 17 bytes of payload
lola: Ignoring fairness constraints (--fair).
lola: 174796 markings, 269849 edges, 34959 markings/sec, 0 secs
lola: 344957 markings, 540961 edges, 34032 markings/sec, 5 secs
lola: 509660 markings, 812289 edges, 32941 markings/sec, 10 secs
lola: 676361 markings, 1083946 edges, 33340 markings/sec, 15 secs
lola: 844505 markings, 1351673 edges, 33629 markings/sec, 20 secs
lola: 1010863 markings, 1623741 edges, 33272 markings/sec, 25 secs
lola: 1183905 markings, 1895925 edges, 34608 markings/sec, 30 secs
lola: 1357142 markings, 2168338 edges, 34647 markings/sec, 35 secs
lola: 1527305 markings, 2440198 edges, 34033 markings/sec, 40 secs
lola: 1690271 markings, 2711680 edges, 32593 markings/sec, 45 secs
lola: 1862011 markings, 2982666 edges, 34348 markings/sec, 50 secs
lola: 2028158 markings, 3254284 edges, 33229 markings/sec, 55 secs
lola: 2187324 markings, 3525853 edges, 31833 markings/sec, 60 secs
lola: 2355533 markings, 3796331 edges, 33642 markings/sec, 65 secs
lola: 2527950 markings, 4062711 edges, 34483 markings/sec, 70 secs
lola: 2695897 markings, 4329298 edges, 33589 markings/sec, 75 secs
lola: 2861375 markings, 4596464 edges, 33096 markings/sec, 80 secs
lola: 3026561 markings, 4863352 edges, 33037 markings/sec, 85 secs
lola: 3193303 markings, 5130876 edges, 33348 markings/sec, 90 secs
lola: 3358884 markings, 5398250 edges, 33116 markings/sec, 95 secs
lola: 3518764 markings, 5665908 edges, 31976 markings/sec, 100 secs
lola: 3680815 markings, 5933724 edges, 32410 markings/sec, 105 secs
lola: 3840699 markings, 6202081 edges, 31977 markings/sec, 110 secs
lola: 4010070 markings, 6468833 edges, 33874 markings/sec, 115 secs
lola: 4178091 markings, 6735113 edges, 33604 markings/sec, 120 secs
lola: 4344933 markings, 7000714 edges, 33368 markings/sec, 125 secs
lola: 4511012 markings, 7266865 edges, 33216 markings/sec, 130 secs
lola: 4671461 markings, 7533519 edges, 32090 markings/sec, 135 secs
lola: 4836429 markings, 7799657 edges, 32994 markings/sec, 140 secs
lola: 5007171 markings, 8066687 edges, 34148 markings/sec, 145 secs
lola: 5174473 markings, 8332840 edges, 33460 markings/sec, 150 secs
lola: 5343458 markings, 8598081 edges, 33797 markings/sec, 155 secs
lola: 5511156 markings, 8863742 edges, 33540 markings/sec, 160 secs
lola: 5679549 markings, 9129250 edges, 33679 markings/sec, 165 secs
lola: 5848947 markings, 9394293 edges, 33880 markings/sec, 170 secs
lola: 6015870 markings, 9659351 edges, 33385 markings/sec, 175 secs
lola: 6180288 markings, 9925730 edges, 32884 markings/sec, 180 secs
lola: 6342383 markings, 10191590 edges, 32419 markings/sec, 185 secs
lola: 6506519 markings, 10458022 edges, 32827 markings/sec, 190 secs
lola: 6669450 markings, 10724390 edges, 32586 markings/sec, 195 secs
lola: 6831870 markings, 10991153 edges, 32484 markings/sec, 200 secs
lola: 6994558 markings, 11258379 edges, 32538 markings/sec, 205 secs
lola: 7156338 markings, 11525746 edges, 32356 markings/sec, 210 secs
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lola: 7486152 markings, 12059985 edges, 32763 markings/sec, 220 secs
lola: 7650515 markings, 12327547 edges, 32873 markings/sec, 225 secs
lola: 7811305 markings, 12594976 edges, 32158 markings/sec, 230 secs
lola: 7979879 markings, 12858671 edges, 33715 markings/sec, 235 secs
lola: 8146865 markings, 13122610 edges, 33397 markings/sec, 240 secs
lola: 8312392 markings, 13386452 edges, 33105 markings/sec, 245 secs
lola: 8478781 markings, 13651272 edges, 33278 markings/sec, 250 secs
lola: 8642951 markings, 13915956 edges, 32834 markings/sec, 255 secs
lola: 8802948 markings, 14180604 edges, 31999 markings/sec, 260 secs
lola: 8964102 markings, 14445297 edges, 32231 markings/sec, 265 secs
lola: 9128079 markings, 14710505 edges, 32795 markings/sec, 270 secs
lola: 9286305 markings, 14975594 edges, 31645 markings/sec, 275 secs
lola: 9448558 markings, 15241220 edges, 32451 markings/sec, 280 secs
lola: 9611453 markings, 15506770 edges, 32579 markings/sec, 285 secs
lola: 9776037 markings, 15772524 edges, 32917 markings/sec, 290 secs
lola: 9937210 markings, 16038513 edges, 32235 markings/sec, 295 secs
lola: 10096125 markings, 16304625 edges, 31783 markings/sec, 300 secs
lola: 10255584 markings, 16570947 edges, 31892 markings/sec, 305 secs
lola: 10413638 markings, 16837245 edges, 31611 markings/sec, 310 secs
lola: 10576501 markings, 17103466 edges, 32573 markings/sec, 315 secs
lola: 10738510 markings, 17369930 edges, 32402 markings/sec, 320 secs
lola: 10898202 markings, 17637293 edges, 31938 markings/sec, 325 secs
lola: 11063391 markings, 17904247 edges, 33038 markings/sec, 330 secs
lola: 11227782 markings, 18171523 edges, 32878 markings/sec, 335 secs
lola: 11391916 markings, 18438716 edges, 32827 markings/sec, 340 secs
lola: 11458770 markings, 18548675 edges, 13371 markings/sec, 345 secs
lola: 11459841 markings, 18550304 edges, 214 markings/sec, 350 secs
lola: 11460690 markings, 18551658 edges, 170 markings/sec, 355 secs
lola: 11461828 markings, 18553444 edges, 228 markings/sec, 360 secs
lola: 11464423 markings, 18557492 edges, 519 markings/sec, 365 secs
lola: 11465228 markings, 18558794 edges, 161 markings/sec, 370 secs
lola: 11465861 markings, 18559826 edges, 127 markings/sec, 375 secs
lola: 11467202 markings, 18561975 edges, 268 markings/sec, 380 secs
lola: 11471289 markings, 18568527 edges, 817 markings/sec, 385 secs
lola: Child process aborted or communication problem between parent and child process
FORMULA SquareGrid-PT-130613-CTLFireability-12 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: ========================================
lola: ...considering subproblem: E (G (E (F (FIREABLE(t1i2_11_1)))))
lola: ========================================
lola: SUBTASK
lola: checking possible preservation of reachability
lola: rewrite Frontend/Parser/formula_rewrite.k:641
lola: processed formula: FIREABLE(t1i2_11_1)
lola: processed formula length: 19
lola: 43 rewrites
lola: closed formula file SquareGrid-PT-130613-CTLFireability.task
lola: STORE
lola: using a simple compression encoder (--encoder=simplecompressed)
lola: using a prefix tree store (--store=prefix)
lola: SEARCH (state space /EGEF)
lola: state space: using reachability graph (EGEF version) (--search=depth)
lola: state space: using ctl preserving stubborn set method (--stubborn=tarjan)
lola: RUNNING
lola: 152138 markings, 234102 edges, 30428 markings/sec, 0 secs
lola: 320065 markings, 499001 edges, 33585 markings/sec, 5 secs
lola: 490425 markings, 775443 edges, 34072 markings/sec, 10 secs
lola: 655576 markings, 1052461 edges, 33030 markings/sec, 15 secs
lola: 830143 markings, 1328887 edges, 34913 markings/sec, 20 secs
lola: 999487 markings, 1605755 edges, 33869 markings/sec, 25 secs
lola: 1175698 markings, 1882726 edges, 35242 markings/sec, 30 secs
lola: 1351940 markings, 2160611 edges, 35248 markings/sec, 35 secs
lola: 1525741 markings, 2437633 edges, 34760 markings/sec, 40 secs
lola: 1691719 markings, 2713910 edges, 33196 markings/sec, 45 secs
lola: 1866772 markings, 2989870 edges, 35011 markings/sec, 50 secs
lola: 2035766 markings, 3266425 edges, 33799 markings/sec, 55 secs
lola: 2197044 markings, 3542517 edges, 32256 markings/sec, 60 secs
lola: 2369766 markings, 3817436 edges, 34544 markings/sec, 65 secs
lola: 2544861 markings, 4089071 edges, 35019 markings/sec, 70 secs
lola: 2715854 markings, 4360751 edges, 34199 markings/sec, 75 secs
lola: 2884257 markings, 4632543 edges, 33681 markings/sec, 80 secs
lola: 3051856 markings, 4904666 edges, 33520 markings/sec, 85 secs
lola: 3222496 markings, 5177240 edges, 34128 markings/sec, 90 secs
lola: 3390711 markings, 5449908 edges, 33643 markings/sec, 95 secs
lola: 3553224 markings, 5722297 edges, 32503 markings/sec, 100 secs
lola: 3718047 markings, 5995334 edges, 32965 markings/sec, 105 secs
lola: 3881968 markings, 6268530 edges, 32784 markings/sec, 110 secs
lola: 4056252 markings, 6539400 edges, 34857 markings/sec, 115 secs
lola: 4226248 markings, 6810164 edges, 33999 markings/sec, 120 secs
lola: 4395533 markings, 7080386 edges, 33857 markings/sec, 125 secs
lola: 4563911 markings, 7351046 edges, 33676 markings/sec, 130 secs
lola: 4723755 markings, 7622870 edges, 31969 markings/sec, 135 secs
lola: 4896921 markings, 7893055 edges, 34633 markings/sec, 140 secs
lola: 5068088 markings, 8165375 edges, 34233 markings/sec, 145 secs
lola: 5239676 markings, 8435457 edges, 34318 markings/sec, 150 secs
lola: 5402181 markings, 8688923 edges, 32501 markings/sec, 155 secs
lola: 5568037 markings, 8957410 edges, 33171 markings/sec, 160 secs
lola: 5741274 markings, 9224425 edges, 34647 markings/sec, 165 secs
lola: 5909678 markings, 9491411 edges, 33681 markings/sec, 170 secs
lola: 6079144 markings, 9758876 edges, 33893 markings/sec, 175 secs
lola: 6243232 markings, 10026974 edges, 32818 markings/sec, 180 secs
lola: 6406511 markings, 10294610 edges, 32656 markings/sec, 185 secs
lola: 6571638 markings, 10562901 edges, 33025 markings/sec, 190 secs
lola: 6733448 markings, 10831043 edges, 32362 markings/sec, 195 secs
lola: 6897896 markings, 11099746 edges, 32890 markings/sec, 200 secs
lola: 7059864 markings, 11368604 edges, 32394 markings/sec, 205 secs
lola: 7226713 markings, 11637752 edges, 33370 markings/sec, 210 secs
lola: 7391962 markings, 11906927 edges, 33050 markings/sec, 215 secs
lola: 7558459 markings, 12176207 edges, 33299 markings/sec, 220 secs
lola: 7721781 markings, 12446045 edges, 32664 markings/sec, 225 secs
lola: 7888037 markings, 12713715 edges, 33251 markings/sec, 230 secs
lola: 8057835 markings, 12979907 edges, 33960 markings/sec, 235 secs
lola: 8225358 markings, 13245821 edges, 33505 markings/sec, 240 secs
lola: 8390301 markings, 13512164 edges, 32989 markings/sec, 245 secs
lola: 8559052 markings, 13778992 edges, 33750 markings/sec, 250 secs
lola: 8722739 markings, 14044977 edges, 32737 markings/sec, 255 secs
lola: 8885781 markings, 14312209 edges, 32608 markings/sec, 260 secs
lola: 9046820 markings, 14579116 edges, 32208 markings/sec, 265 secs
lola: 9208905 markings, 14846570 edges, 32417 markings/sec, 270 secs
lola: 9370927 markings, 15113937 edges, 32404 markings/sec, 275 secs
lola: 9534601 markings, 15381542 edges, 32735 markings/sec, 280 secs
lola: 9698553 markings, 15649484 edges, 32790 markings/sec, 285 secs
lola: 9865936 markings, 15917574 edges, 33477 markings/sec, 290 secs
lola: 10025701 markings, 16185444 edges, 31953 markings/sec, 295 secs
lola: 10184027 markings, 16453641 edges, 31665 markings/sec, 300 secs
lola: 10345496 markings, 16722314 edges, 32294 markings/sec, 305 secs
lola: 10505665 markings, 16990108 edges, 32034 markings/sec, 310 secs
lola: 10669742 markings, 17258684 edges, 32815 markings/sec, 315 secs
lola: 10830762 markings, 17527476 edges, 32204 markings/sec, 320 secs
lola: 10999634 markings, 17796995 edges, 33774 markings/sec, 325 secs
lola: 11163163 markings, 18066069 edges, 32706 markings/sec, 330 secs
lola: 11328667 markings, 18335446 edges, 33101 markings/sec, 335 secs
lola: 11493470 markings, 18604584 edges, 32961 markings/sec, 340 secs
lola: 11655974 markings, 18873710 edges, 32501 markings/sec, 345 secs
lola: 11815722 markings, 19142803 edges, 31950 markings/sec, 350 secs
lola: 11869622 markings, 19235413 edges, 10780 markings/sec, 355 secs
lola: 11870797 markings, 19237224 edges, 235 markings/sec, 360 secs
lola: 11871702 markings, 19238747 edges, 181 markings/sec, 365 secs
lola: 11873178 markings, 19241177 edges, 295 markings/sec, 370 secs
lola: 11873859 markings, 19242386 edges, 136 markings/sec, 375 secs
lola: 11874968 markings, 19244202 edges, 222 markings/sec, 380 secs
lola: Child process aborted or communication problem between parent and child process
FORMULA SquareGrid-PT-130613-CTLFireability-9 CANNOT_COMPUTE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: ========================================
lola: ...considering subproblem: (A (F (FIREABLE(tf_d_1))) OR ((FIREABLE(t4i3_5_13) OR FIREABLE(t4i2_3_9) OR (FIREABLE(t4i2_10_5) AND FIREABLE(t3i2_7_11))) OR A (G ((NOT FIREABLE(t2i3_1_3) AND NOT FIREABLE(t3i1_7_1) AND (NOT FIREABLE(t3i4_8_13) OR NOT FIREABLE(t2o_7_7)))))))
lola: ========================================
lola: SUBTASK
lola: checking a Boolean combination of formulas
lola: RUNNING
lola: ========================================
lola: ...considering subproblem: (FIREABLE(t4i3_5_13) OR FIREABLE(t4i2_3_9) OR (FIREABLE(t4i2_10_5) AND FIREABLE(t3i2_7_11)))
lola: ========================================
lola: SUBTASK
lola: checking initial satisfaction
lola: processed formula: (FIREABLE(t4i3_5_13) OR FIREABLE(t4i2_3_9) OR (FIREABLE(t4i2_10_5) AND FIREABLE(t3i2_7_11)))
lola: processed formula length: 94
lola: 42 rewrites
lola: closed formula file SquareGrid-PT-130613-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: A (F (FIREABLE(tf_d_1)))
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(tf_d_1)
lola: processed formula length: 20
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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: 6441 markings, 6440 edges, 1288 markings/sec, 0 secs
lola: 7434 markings, 7433 edges, 199 markings/sec, 5 secs
lola: 8020 markings, 8019 edges, 117 markings/sec, 10 secs
lola: 8700 markings, 8699 edges, 136 markings/sec, 15 secs
lola: 9574 markings, 9573 edges, 175 markings/sec, 20 secs
lola: 12561 markings, 12560 edges, 597 markings/sec, 25 secs
lola: SUBRESULT
lola: result: no
lola: produced by: state space / EG
lola: The predicate does not eventually occur.
lola: 16242 markings, 16242 edges
lola: ========================================
lola: ========================================
lola: ...considering subproblem: A (G ((NOT FIREABLE(t2i3_1_3) AND NOT FIREABLE(t3i1_7_1) AND (NOT FIREABLE(t3i4_8_13) OR NOT FIREABLE(t2o_7_7)))))
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:695
lola: processed formula: A (G ((NOT FIREABLE(t2i3_1_3) AND NOT FIREABLE(t3i1_7_1) AND (NOT FIREABLE(t3i4_8_13) OR NOT FIREABLE(t2o_7_7)))))
lola: processed formula length: 115
lola: 44 rewrites
lola: closed formula file SquareGrid-PT-130613-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:695
lola: SUBRESULT
lola: result: no
lola: produced by: state space
lola: The predicate is not invariant.
lola: 2 markings, 1 edges
lola: formula 0: (FIREABLE(t2i3_1_3) OR FIREABLE(t3i1_7_1) OR (FIREABLE(t3i4_8_13) AND FIREABLE(t2o_7_7)))
lola: state equation: Generated DNF with 8 literals and 3 conjunctive subformulas
lola: ========================================
lola: SUBRESULT
lola: result: no
lola: The Boolean predicate is false.
lola: ========================================
FORMULA SquareGrid-PT-130613-CTLFireability-8 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
lola: RESULT
lola:
SUMMARY: no yes no yes no no unknown no no unknown yes no unknown no yes no
lola:
preliminary result: no yes no yes no no unknown no no unknown yes no unknown no yes no
lola: memory consumption: 17304 KB
lola: time consumption: 2665 seconds
BK_STOP 1527294058960
--------------------
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="SquareGrid-PT-130613"
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/SquareGrid-PT-130613.tgz
mv SquareGrid-PT-130613 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 SquareGrid-PT-130613, 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 r160-smll-152705512600207"
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 '
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 ;