Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r240-tall-174915590500818.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is UtilityControlRoom-PT-Z2T4N06, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r240-tall-174915590500818
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 988K
-rw-r--r-- 1 mcc users 21K May 29 14:48 CTLCardinality.txt
-rw-r--r-- 1 mcc users 124K May 29 14:48 CTLCardinality.xml
-rw-r--r-- 1 mcc users 28K May 29 14:48 CTLFireability.txt
-rw-r--r-- 1 mcc users 123K May 29 14:48 CTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K May 29 14:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 41K May 29 14:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 42K May 29 14:48 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 230K May 29 14:48 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 35K May 29 14:48 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 162K May 29 14:48 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 29 14:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.9K May 29 14:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 70K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-00
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-01
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-02
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-03
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-04
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-05
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-06
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-07
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-08
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-09
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-10
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-11
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-12
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-13
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-14
FORMULA_NAME UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749274815384

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtilityControlRoom-PT-Z2T4N06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202505121319
[2025-06-07 05:40:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 05:40:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 05:40:17] [INFO ] Load time of PNML (sax parser for PT used): 74 ms
[2025-06-07 05:40:17] [INFO ] Transformed 106 places.
[2025-06-07 05:40:17] [INFO ] Transformed 162 transitions.
[2025-06-07 05:40:17] [INFO ] Parsed PT model containing 106 places and 162 transitions and 510 arcs in 190 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 19 ms.
[2025-06-07 05:40:17] [INFO ] Reduced 6 identical enabling conditions.
[2025-06-07 05:40:17] [INFO ] Reduced 6 identical enabling conditions.
[2025-06-07 05:40:17] [INFO ] Reduced 6 identical enabling conditions.
[2025-06-07 05:40:17] [INFO ] Reduced 6 identical enabling conditions.
Ensure Unique test removed 24 transitions
Reduce redundant transitions removed 24 transitions.
Support contains 106 out of 106 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 19 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
// Phase 1: matrix 138 rows 106 cols
[2025-06-07 05:40:17] [INFO ] Computed 15 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:40:17] [INFO ] Implicit Places using invariants in 213 ms returned []
[2025-06-07 05:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:40:17] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
Running 132 sub problems to find dead transitions.
[2025-06-07 05:40:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 121 constraints, problems are : Problem set: 0 solved, 132 unsolved in 4574 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 132 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 132/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 7 (OVERLAPS) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Int declared 244/244 variables, and 253 constraints, problems are : Problem set: 0 solved, 132 unsolved in 5569 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 10231ms problems are : Problem set: 0 solved, 132 unsolved
Search for dead transitions found 0 dead transitions in 10249ms
Finished structural reductions in LTL mode , in 1 iterations and 10683 ms. Remains : 106/106 places, 138/138 transitions.
Support contains 106 out of 106 places after structural reductions.
[2025-06-07 05:40:28] [INFO ] Flatten gal took : 38 ms
[2025-06-07 05:40:28] [INFO ] Flatten gal took : 24 ms
[2025-06-07 05:40:28] [INFO ] Input system was already deterministic with 138 transitions.
RANDOM walk for 40000 steps (8 resets) in 1319 ms. (30 steps per ms) remains 1/52 properties
BEST_FIRST walk for 40003 steps (8 resets) in 353 ms. (113 steps per ms) remains 1/1 properties
[2025-06-07 05:40:28] [INFO ] Invariant cache hit.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem AtomicPropp8 is UNSAT
After SMT solving in domain Real declared 15/244 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 22 ms.
Refiners :[Positive P Invariants (semi-flows): 0/15 constraints, State Equation: 0/106 constraints, PredecessorRefiner: 0/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 34ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 1 atomic propositions for a total of 16 simplifications.
[2025-06-07 05:40:28] [INFO ] Flatten gal took : 12 ms
[2025-06-07 05:40:29] [INFO ] Flatten gal took : 14 ms
[2025-06-07 05:40:29] [INFO ] Input system was already deterministic with 138 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
[2025-06-07 05:40:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:40:29] [INFO ] Implicit Places using invariants in 34 ms returned []
[2025-06-07 05:40:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:40:29] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
Running 132 sub problems to find dead transitions.
[2025-06-07 05:40:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 121 constraints, problems are : Problem set: 0 solved, 132 unsolved in 4308 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 132 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 132/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 7 (OVERLAPS) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Int declared 244/244 variables, and 253 constraints, problems are : Problem set: 0 solved, 132 unsolved in 5543 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9876ms problems are : Problem set: 0 solved, 132 unsolved
Search for dead transitions found 0 dead transitions in 9877ms
Finished structural reductions in LTL mode , in 1 iterations and 9997 ms. Remains : 106/106 places, 138/138 transitions.
[2025-06-07 05:40:39] [INFO ] Flatten gal took : 9 ms
[2025-06-07 05:40:39] [INFO ] Flatten gal took : 8 ms
[2025-06-07 05:40:39] [INFO ] Input system was already deterministic with 138 transitions.
[2025-06-07 05:40:39] [INFO ] Flatten gal took : 7 ms
[2025-06-07 05:40:39] [INFO ] Flatten gal took : 7 ms
[2025-06-07 05:40:39] [INFO ] Time to serialize gal into /tmp/CTLFireability14124935610112359130.gal : 5 ms
[2025-06-07 05:40:39] [INFO ] Time to serialize properties into /tmp/CTLFireability1293994061998718926.ctl : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14124935610112359130.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1293994061998718926.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.7622e+07,0.475709,23284,2,9830,5,108646,6,0,565,69986,0


Converting to forward existential form...Done !
original formula: EX(((AF((((((((StartSecuring_0_0>=1)&&(ClientsWaiting_0>=1))||((StartSecuring_5_0>=1)&&(ClientsWaiting_5>=1)))||(((NumClientsReq>=1)&&(Do...6146
=> equivalent forward existential formula: [((((EY(((EY(Init) * (((((((((IdleTechs_0<1)||(OpenRequests_4_0<1))||(Idles<1))&&(((IdleTechs_0<1)||(OpenRequest...6437
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 126/60/12
(forward)formula 0,1,22.1346,626112,1,0,15,4.62724e+06,35,7,3163,1.74515e+06,14
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 7 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
[2025-06-07 05:41:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:41:01] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-07 05:41:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:41:01] [INFO ] Implicit Places using invariants and state equation in 74 ms returned []
Implicit Place search using SMT with State Equation took 119 ms to find 0 implicit places.
Running 132 sub problems to find dead transitions.
[2025-06-07 05:41:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 121 constraints, problems are : Problem set: 0 solved, 132 unsolved in 4085 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 132 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 132/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 7 (OVERLAPS) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Int declared 244/244 variables, and 253 constraints, problems are : Problem set: 0 solved, 132 unsolved in 5669 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9779ms problems are : Problem set: 0 solved, 132 unsolved
Search for dead transitions found 0 dead transitions in 9780ms
Finished structural reductions in LTL mode , in 1 iterations and 9908 ms. Remains : 106/106 places, 138/138 transitions.
[2025-06-07 05:41:11] [INFO ] Flatten gal took : 10 ms
[2025-06-07 05:41:11] [INFO ] Flatten gal took : 8 ms
[2025-06-07 05:41:11] [INFO ] Input system was already deterministic with 138 transitions.
[2025-06-07 05:41:11] [INFO ] Flatten gal took : 7 ms
[2025-06-07 05:41:11] [INFO ] Flatten gal took : 8 ms
[2025-06-07 05:41:11] [INFO ] Time to serialize gal into /tmp/CTLFireability12863404054565097504.gal : 2 ms
[2025-06-07 05:41:11] [INFO ] Time to serialize properties into /tmp/CTLFireability15373517129953585586.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12863404054565097504.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15373517129953585586.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.7622e+07,0.477808,23316,2,9830,5,108646,6,0,565,69986,0


Converting to forward existential form...Done !
original formula: (E(EG(!((!(EX(((((ControlRoomDispatch_1>=1)||(ControlRoomDispatch_0>=1))||((ControlRoomDispatch_3>=1)||(ControlRoomDispatch_2>=1)))||((Co...8770
=> equivalent forward existential formula: (([((FwdU((Init * !(E(EG(!((!(EX(((((ControlRoomDispatch_1>=1)||(ControlRoomDispatch_0>=1))||((ControlRoomDispat...23018
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Detected timeout of ITS tools.
[2025-06-07 05:41:41] [INFO ] Flatten gal took : 9 ms
[2025-06-07 05:41:41] [INFO ] Applying decomposition
[2025-06-07 05:41:41] [INFO ] Flatten gal took : 8 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph4959211018202805274.txt' '-o' '/tmp/graph4959211018202805274.bin' '-w' '/tmp/graph4959211018202805274.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph4959211018202805274.bin' '-l' '-1' '-v' '-w' '/tmp/graph4959211018202805274.weights' '-q' '0' '-e' '0.001'
[2025-06-07 05:41:41] [INFO ] Decomposing Gal with order
[2025-06-07 05:41:41] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 05:41:41] [INFO ] Removed a total of 137 redundant transitions.
[2025-06-07 05:41:41] [INFO ] Flatten gal took : 57 ms
[2025-06-07 05:41:41] [INFO ] Fuse similar labels procedure discarded/fused a total of 88 labels/synchronizations in 13 ms.
[2025-06-07 05:41:41] [INFO ] Time to serialize gal into /tmp/CTLFireability17213664124858664365.gal : 3 ms
[2025-06-07 05:41:41] [INFO ] Time to serialize properties into /tmp/CTLFireability1939205125106782726.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17213664124858664365.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1939205125106782726.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...263
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.7622e+07,0.056863,6592,378,60,5534,263,383,9480,41,1018,0


Converting to forward existential form...Done !
original formula: (E(EG(!((!(EX(((((i5.i1.u22.ControlRoomDispatch_1>=1)||(i1.i0.u21.ControlRoomDispatch_0>=1))||((i4.i1.u23.ControlRoomDispatch_3>=1)||(i6....12315
=> equivalent forward existential formula: (([((FwdU((Init * !(E(EG(!((!(EX(((((i5.i1.u22.ControlRoomDispatch_1>=1)||(i1.i0.u21.ControlRoomDispatch_0>=1))|...32321
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Fast SCC detection found an SCC at level 5
Fast SCC detection found an SCC at level 6
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Fast SCC detection found an SCC at level 5
Fast SCC detection found an SCC at level 6
(forward)formula 0,1,1.94277,63936,1,0,103799,1236,2213,236440,191,5207,153746
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is TRUE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 106 transition count 114
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 60 place count 82 transition count 102
Applied a total of 60 rules in 17 ms. Remains 82 /106 variables (removed 24) and now considering 102/138 (removed 36) transitions.
// Phase 1: matrix 102 rows 82 cols
[2025-06-07 05:41:43] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:41:43] [INFO ] Implicit Places using invariants in 29 ms returned []
[2025-06-07 05:41:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:41:43] [INFO ] Implicit Places using invariants and state equation in 55 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 05:41:43] [INFO ] Redundant transitions in 2 ms returned []
Running 96 sub problems to find dead transitions.
[2025-06-07 05:41:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (OVERLAPS) 6/82 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (OVERLAPS) 102/184 variables, 82/97 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (OVERLAPS) 0/184 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Real declared 184/184 variables, and 97 constraints, problems are : Problem set: 0 solved, 96 unsolved in 2423 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 82/82 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 96 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 2 (OVERLAPS) 6/82 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/82 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 4 (OVERLAPS) 102/184 variables, 82/97 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/184 variables, 96/193 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/184 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 96 unsolved
At refinement iteration 7 (OVERLAPS) 0/184 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 96 unsolved
No progress, stopping.
After SMT solving in domain Int declared 184/184 variables, and 193 constraints, problems are : Problem set: 0 solved, 96 unsolved in 3118 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 82/82 constraints, PredecessorRefiner: 96/96 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5557ms problems are : Problem set: 0 solved, 96 unsolved
Search for dead transitions found 0 dead transitions in 5558ms
Starting structural reductions in SI_CTL mode, iteration 1 : 82/106 places, 102/138 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 5668 ms. Remains : 82/106 places, 102/138 transitions.
[2025-06-07 05:41:49] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:41:49] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:41:49] [INFO ] Input system was already deterministic with 102 transitions.
[2025-06-07 05:41:49] [INFO ] Flatten gal took : 6 ms
[2025-06-07 05:41:49] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:41:49] [INFO ] Time to serialize gal into /tmp/CTLFireability11362133122896206110.gal : 1 ms
[2025-06-07 05:41:49] [INFO ] Time to serialize properties into /tmp/CTLFireability173690078861281379.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability11362133122896206110.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability173690078861281379.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.08146e+07,0.13985,10368,2,4006,5,36449,6,0,433,23903,0


Converting to forward existential form...Done !
original formula: (AF(((((((AF(((((Finished_5<1)&&(Finished_4<1))&&((Finished_1<1)&&(Finished_0<1)))&&((Finished_3<1)&&(Finished_2<1)))) * (((IdleTechs_0<1...3922
=> equivalent forward existential formula: ([FwdG(Init,!(((((((!(EG(!(((((Finished_5<1)&&(Finished_4<1))&&((Finished_1<1)&&(Finished_0<1)))&&((Finished_3<1...5450
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 48/72/54
Using saturation style SCC detection
(forward)formula 0,0,15.2366,431960,1,0,10,3.01963e+06,36,3,2533,1.67105e+06,12
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 11 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
// Phase 1: matrix 126 rows 94 cols
[2025-06-07 05:42:04] [INFO ] Computed 15 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:42:04] [INFO ] Implicit Places using invariants in 63 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 65 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 78 ms. Remains : 93/106 places, 126/138 transitions.
[2025-06-07 05:42:04] [INFO ] Flatten gal took : 10 ms
[2025-06-07 05:42:04] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:05] [INFO ] Input system was already deterministic with 126 transitions.
[2025-06-07 05:42:05] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:05] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:05] [INFO ] Time to serialize gal into /tmp/CTLFireability12254344769586100332.gal : 1 ms
[2025-06-07 05:42:05] [INFO ] Time to serialize properties into /tmp/CTLFireability5021110932675197886.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12254344769586100332.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5021110932675197886.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.82423e+07,0.150779,10764,2,4768,5,38153,6,0,501,24660,0


Converting to forward existential form...Done !
original formula: EF((((((((((IdleTechs_0>=1)&&(OpenRequests_4_0>=1))&&(Idles>=1))||(((IdleTechs_0>=1)&&(OpenRequests_3_0>=1))&&(Idles>=1)))||((((IdleTechs...2886
=> equivalent forward existential formula: ([(EY((FwdU(Init,TRUE) * ((((((((IdleTechs_0>=1)&&(OpenRequests_4_0>=1))&&(Idles>=1))||(((IdleTechs_0>=1)&&(Open...4386
(forward)formula 0,1,0.26206,12684,1,0,10,54232,9,2,915,42632,3
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
// Phase 1: matrix 138 rows 106 cols
[2025-06-07 05:42:05] [INFO ] Computed 15 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:42:05] [INFO ] Implicit Places using invariants in 53 ms returned [75]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 105/106 places, 138/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 105 /105 variables (removed 0) and now considering 138/138 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 56 ms. Remains : 105/106 places, 138/138 transitions.
[2025-06-07 05:42:05] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:05] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:05] [INFO ] Input system was already deterministic with 138 transitions.
[2025-06-07 05:42:05] [INFO ] Flatten gal took : 6 ms
[2025-06-07 05:42:05] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:05] [INFO ] Time to serialize gal into /tmp/CTLFireability5595639826843587951.gal : 1 ms
[2025-06-07 05:42:05] [INFO ] Time to serialize properties into /tmp/CTLFireability2945064937976552440.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability5595639826843587951.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2945064937976552440.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.7622e+07,0.21765,13844,2,5887,5,53726,6,0,561,34624,0


Converting to forward existential form...Done !
original formula: AF(((AX((((((Assigned_0_0>=1)||(Assigned_0_1>=1))||((Assigned_1_0>=1)||(Assigned_1_1>=1)))||(((Assigned_2_0>=1)||(Assigned_2_1>=1))||((As...3509
=> equivalent forward existential formula: [FwdG(Init,!(((!(EX(!((((((Assigned_0_0>=1)||(Assigned_0_1>=1))||((Assigned_1_0>=1)||(Assigned_1_1>=1)))||(((Ass...3572
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,8.04138,266868,1,0,60,1.40673e+06,25,67,2944,1.33054e+06,77
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Applied a total of 0 rules in 4 ms. Remains 106 /106 variables (removed 0) and now considering 138/138 (removed 0) transitions.
[2025-06-07 05:42:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:42:13] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-07 05:42:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:42:13] [INFO ] Implicit Places using invariants and state equation in 72 ms returned []
Implicit Place search using SMT with State Equation took 121 ms to find 0 implicit places.
Running 132 sub problems to find dead transitions.
[2025-06-07 05:42:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (OVERLAPS) 0/244 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Real declared 244/244 variables, and 121 constraints, problems are : Problem set: 0 solved, 132 unsolved in 4264 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 132 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/100 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/100 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 2 (OVERLAPS) 6/106 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/106 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 4 (OVERLAPS) 138/244 variables, 106/121 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/244 variables, 132/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
At refinement iteration 7 (OVERLAPS) 0/244 variables, 0/253 constraints. Problems are: Problem set: 0 solved, 132 unsolved
No progress, stopping.
After SMT solving in domain Int declared 244/244 variables, and 253 constraints, problems are : Problem set: 0 solved, 132 unsolved in 5621 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 106/106 constraints, PredecessorRefiner: 132/132 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9905ms problems are : Problem set: 0 solved, 132 unsolved
Search for dead transitions found 0 dead transitions in 9905ms
Finished structural reductions in LTL mode , in 1 iterations and 10031 ms. Remains : 106/106 places, 138/138 transitions.
[2025-06-07 05:42:23] [INFO ] Flatten gal took : 6 ms
[2025-06-07 05:42:23] [INFO ] Flatten gal took : 7 ms
[2025-06-07 05:42:23] [INFO ] Input system was already deterministic with 138 transitions.
[2025-06-07 05:42:23] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:23] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:42:23] [INFO ] Time to serialize gal into /tmp/CTLFireability17098153465857068713.gal : 1 ms
[2025-06-07 05:42:23] [INFO ] Time to serialize properties into /tmp/CTLFireability8005181843780357209.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17098153465857068713.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8005181843780357209.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.7622e+07,0.477934,23192,2,9830,5,108646,6,0,565,69986,0


Converting to forward existential form...Done !
original formula: EX(AF(((!(A(AF(((((Clients_0>=1)||(Clients_1>=1))||((Clients_2>=1)||(Clients_3>=1)))||((Clients_4>=1)||(Clients_5>=1)))) U A(((((((((Idle...5302
=> equivalent forward existential formula: [(EY(Init) * !(EG(!(((!(!((E(!(!((E(!((((((((StartSecuring_0_0>=1)&&(ClientsWaiting_0>=1))||((StartSecuring_5_0>...17495
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 90/0/48
Hit Full ! (commute/partial/dont) 78/291/60
Using saturation style SCC detection
Detected timeout of ITS tools.
[2025-06-07 05:42:53] [INFO ] Flatten gal took : 10 ms
[2025-06-07 05:42:53] [INFO ] Applying decomposition
[2025-06-07 05:42:53] [INFO ] Flatten gal took : 5 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph10190092587399670948.txt' '-o' '/tmp/graph10190092587399670948.bin' '-w' '/tmp/graph10190092587399670948.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10190092587399670948.bin' '-l' '-1' '-v' '-w' '/tmp/graph10190092587399670948.weights' '-q' '0' '-e' '0.001'
[2025-06-07 05:42:53] [INFO ] Decomposing Gal with order
[2025-06-07 05:42:53] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 05:42:53] [INFO ] Removed a total of 140 redundant transitions.
[2025-06-07 05:42:53] [INFO ] Flatten gal took : 12 ms
[2025-06-07 05:42:53] [INFO ] Fuse similar labels procedure discarded/fused a total of 86 labels/synchronizations in 12 ms.
[2025-06-07 05:42:53] [INFO ] Time to serialize gal into /tmp/CTLFireability7588043131153781262.gal : 8 ms
[2025-06-07 05:42:53] [INFO ] Time to serialize properties into /tmp/CTLFireability14213029219574381.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7588043131153781262.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14213029219574381.ctl'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...260
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.7622e+07,0.053511,6352,344,55,5161,291,393,7676,36,1422,0


Converting to forward existential form...Done !
original formula: EX(AF(((!(A(AF(((((i3.i1.u0.Clients_0>=1)||(i4.i1.u26.Clients_1>=1))||((i0.u27.Clients_2>=1)||(i1.i1.u28.Clients_3>=1)))||((i2.i0.u29.Cli...7588
=> equivalent forward existential formula: [(EY(Init) * !(EG(!(((!(!((E(!(!((E(!((((((((i3.i1.u36.StartSecuring_0_0>=1)&&(i3.i1.u30.ClientsWaiting_0>=1))||...24605
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Fast SCC detection found an SCC at level 4
Fast SCC detection found an SCC at level 5
Fast SCC detection found an SCC at level 6
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,0,0.813462,31312,1,0,69959,983,1818,51353,159,3926,92789
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 8 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
// Phase 1: matrix 126 rows 94 cols
[2025-06-07 05:42:54] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:42:54] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-07 05:42:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:42:54] [INFO ] Implicit Places using invariants and state equation in 78 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Running 120 sub problems to find dead transitions.
[2025-06-07 05:42:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 6/94 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 126/220 variables, 94/109 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (OVERLAPS) 0/220 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Real declared 220/220 variables, and 109 constraints, problems are : Problem set: 0 solved, 120 unsolved in 3471 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 120 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/88 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/88 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 2 (OVERLAPS) 6/94 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/94 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 4 (OVERLAPS) 126/220 variables, 94/109 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/220 variables, 120/229 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/220 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 120 unsolved
At refinement iteration 7 (OVERLAPS) 0/220 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 120 unsolved
No progress, stopping.
After SMT solving in domain Int declared 220/220 variables, and 229 constraints, problems are : Problem set: 0 solved, 120 unsolved in 4730 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 94/94 constraints, PredecessorRefiner: 120/120 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8218ms problems are : Problem set: 0 solved, 120 unsolved
Search for dead transitions found 0 dead transitions in 8219ms
Starting structural reductions in LTL mode, iteration 1 : 94/106 places, 126/138 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8358 ms. Remains : 94/106 places, 126/138 transitions.
[2025-06-07 05:43:02] [INFO ] Flatten gal took : 8 ms
[2025-06-07 05:43:02] [INFO ] Flatten gal took : 4 ms
[2025-06-07 05:43:02] [INFO ] Input system was already deterministic with 126 transitions.
[2025-06-07 05:43:02] [INFO ] Flatten gal took : 4 ms
[2025-06-07 05:43:02] [INFO ] Flatten gal took : 4 ms
[2025-06-07 05:43:02] [INFO ] Time to serialize gal into /tmp/CTLFireability9942617108450390572.gal : 1 ms
[2025-06-07 05:43:02] [INFO ] Time to serialize properties into /tmp/CTLFireability7064814553477651819.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9942617108450390572.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7064814553477651819.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.82423e+07,0.331433,18336,2,8490,5,81265,6,0,505,51084,0


Converting to forward existential form...Done !
original formula: E((((((((StartSecuring_0_0>=1)&&(ClientsWaiting_0>=1))||((StartSecuring_5_0>=1)&&(ClientsWaiting_5>=1)))||(((NumClientsReq>=1)&&(DoSecuri...1330
=> equivalent forward existential formula: [(EY(FwdU(FwdU(Init,(((((((StartSecuring_0_0>=1)&&(ClientsWaiting_0>=1))||((StartSecuring_5_0>=1)&&(ClientsWaiti...1395
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,4.3209,132932,1,0,6,918730,15,0,2396,264583,5
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 24 place count 106 transition count 114
Reduce places removed 24 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 60 place count 82 transition count 102
Applied a total of 60 rules in 14 ms. Remains 82 /106 variables (removed 24) and now considering 102/138 (removed 36) transitions.
// Phase 1: matrix 102 rows 82 cols
[2025-06-07 05:43:07] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:07] [INFO ] Implicit Places using invariants in 41 ms returned [51]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 81/106 places, 102/138 transitions.
Applied a total of 0 rules in 4 ms. Remains 81 /81 variables (removed 0) and now considering 102/102 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 60 ms. Remains : 81/106 places, 102/138 transitions.
[2025-06-07 05:43:07] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:07] [INFO ] Flatten gal took : 2 ms
[2025-06-07 05:43:07] [INFO ] Input system was already deterministic with 102 transitions.
[2025-06-07 05:43:07] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:07] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:07] [INFO ] Time to serialize gal into /tmp/CTLFireability18217121984357361492.gal : 0 ms
[2025-06-07 05:43:07] [INFO ] Time to serialize properties into /tmp/CTLFireability1731272296315971532.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability18217121984357361492.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1731272296315971532.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.08146e+07,0.048406,5960,2,1551,5,11377,6,0,429,7262,0


Converting to forward existential form...Done !
original formula: AG(AF((((EG(((((((((IdleTechs_0>=1)&&(OpenRequests_1_0>=1))&&(Idles>=1))||(((IdleTechs_1>=1)&&(OpenRequests_4_1>=1))&&(Idles>=1)))||((((I...2717
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!((((EG(((((((((IdleTechs_0>=1)&&(OpenRequests_1_0>=1))&&(Idles>=1))||(((IdleTechs_1>=1)&&...2769
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.911402,38264,1,0,15,210055,25,7,2104,139798,13
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-07 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Performed 20 Post agglomeration using F-continuation condition.Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 20 place count 106 transition count 118
Reduce places removed 20 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 29 rules applied. Total rules applied 49 place count 86 transition count 109
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 10 Pre rules applied. Total rules applied 49 place count 86 transition count 99
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 2 with 20 rules applied. Total rules applied 69 place count 76 transition count 99
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 70 place count 75 transition count 98
Iterating global reduction 2 with 1 rules applied. Total rules applied 71 place count 75 transition count 98
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 2 with 3 rules applied. Total rules applied 74 place count 75 transition count 98
Applied a total of 74 rules in 17 ms. Remains 75 /106 variables (removed 31) and now considering 98/138 (removed 40) transitions.
// Phase 1: matrix 98 rows 75 cols
[2025-06-07 05:43:08] [INFO ] Computed 15 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:08] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-07 05:43:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:08] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 112 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 05:43:08] [INFO ] Redundant transitions in 2 ms returned []
Running 89 sub problems to find dead transitions.
[2025-06-07 05:43:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (OVERLAPS) 6/75 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 4 (OVERLAPS) 98/173 variables, 75/90 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (OVERLAPS) 0/173 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Real declared 173/173 variables, and 90 constraints, problems are : Problem set: 0 solved, 89 unsolved in 2140 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 75/75 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 89 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 2 (OVERLAPS) 6/75 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/75 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 4 (OVERLAPS) 98/173 variables, 75/90 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 89/179 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/173 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 89 unsolved
At refinement iteration 7 (OVERLAPS) 0/173 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 89 unsolved
No progress, stopping.
After SMT solving in domain Int declared 173/173 variables, and 179 constraints, problems are : Problem set: 0 solved, 89 unsolved in 2896 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 75/75 constraints, PredecessorRefiner: 89/89 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5052ms problems are : Problem set: 0 solved, 89 unsolved
Search for dead transitions found 0 dead transitions in 5053ms
Starting structural reductions in SI_CTL mode, iteration 1 : 75/106 places, 98/138 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 5187 ms. Remains : 75/106 places, 98/138 transitions.
[2025-06-07 05:43:13] [INFO ] Flatten gal took : 5 ms
[2025-06-07 05:43:13] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:13] [INFO ] Input system was already deterministic with 98 transitions.
[2025-06-07 05:43:13] [INFO ] Flatten gal took : 2 ms
[2025-06-07 05:43:13] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:13] [INFO ] Time to serialize gal into /tmp/CTLFireability1509642551493346629.gal : 0 ms
[2025-06-07 05:43:13] [INFO ] Time to serialize properties into /tmp/CTLFireability9136091595777263910.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1509642551493346629.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9136091595777263910.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,7.36034e+06,0.176416,11012,2,4077,5,42477,6,0,401,29782,0


Converting to forward existential form...Done !
original formula: EG(EF((A((MovetoZ_3_1_1>=1) U ((MovetoZ_0_0_0<1)&&(Assigned_5_0<1))) * E((((((StartSecuring_4_1>=1)&&(ClientsWaiting_4>=1))||((NumClients...368
=> equivalent forward existential formula: [FwdG(Init,E(TRUE U (!((E(!(((MovetoZ_0_0_0<1)&&(Assigned_5_0<1))) U (!((MovetoZ_3_1_1>=1)) * !(((MovetoZ_0_0_0<...659
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 58/0/40
Hit Full ! (commute/partial/dont) 36/88/62
Hit Full ! (commute/partial/dont) 93/0/5
(forward)formula 0,1,3.05985,104276,1,0,14,629794,50,4,2522,330215,22
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-08 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 4 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
// Phase 1: matrix 126 rows 94 cols
[2025-06-07 05:43:16] [INFO ] Computed 15 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:16] [INFO ] Implicit Places using invariants in 61 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 61 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 2 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 67 ms. Remains : 93/106 places, 126/138 transitions.
[2025-06-07 05:43:16] [INFO ] Flatten gal took : 4 ms
[2025-06-07 05:43:16] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:16] [INFO ] Input system was already deterministic with 126 transitions.
[2025-06-07 05:43:16] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:16] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:16] [INFO ] Time to serialize gal into /tmp/CTLFireability6795470709060955493.gal : 1 ms
[2025-06-07 05:43:16] [INFO ] Time to serialize properties into /tmp/CTLFireability12797593711185031211.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability6795470709060955493.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability12797593711185031211.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.82423e+07,0.155698,10772,2,4768,5,38153,6,0,501,24660,0


Converting to forward existential form...Done !
original formula: A(((ControlRoomDispatch_5>=1)||(((IdleTechs_1>=1)&&(OpenRequests_4_0>=1))&&(Idles>=1))) U !((AF(((!(EX((ControlRoomDispatch_2>=1))) + EG(...324
=> equivalent forward existential formula: [((Init * !(EG(!(!((!(EG(!(((!(EX((ControlRoomDispatch_2>=1))) + EG((((IdleTechs_0>=1)&&(OpenRequests_2_0>=1))&&...849
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,3.912,132864,1,0,35,966550,31,22,2510,418702,28
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 4 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
[2025-06-07 05:43:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:20] [INFO ] Implicit Places using invariants in 71 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 72 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 77 ms. Remains : 93/106 places, 126/138 transitions.
[2025-06-07 05:43:20] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:20] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:20] [INFO ] Input system was already deterministic with 126 transitions.
[2025-06-07 05:43:20] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:20] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:20] [INFO ] Time to serialize gal into /tmp/CTLFireability11448462914672166615.gal : 0 ms
[2025-06-07 05:43:20] [INFO ] Time to serialize properties into /tmp/CTLFireability15072416349653593787.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability11448462914672166615.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15072416349653593787.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.82423e+07,0.160878,10772,2,4768,5,38153,6,0,501,24660,0


Converting to forward existential form...Done !
original formula: AX(EF((Finished_1>=1)))
=> equivalent forward existential formula: [(EY(Init) * !(E(TRUE U (Finished_1>=1))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.42283,55096,1,0,6,361394,14,0,2326,83286,5
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 95 transition count 127
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 95 transition count 127
Applied a total of 22 rules in 9 ms. Remains 95 /106 variables (removed 11) and now considering 127/138 (removed 11) transitions.
// Phase 1: matrix 127 rows 95 cols
[2025-06-07 05:43:22] [INFO ] Computed 15 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:22] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-07 05:43:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:22] [INFO ] Implicit Places using invariants and state equation in 71 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Running 121 sub problems to find dead transitions.
[2025-06-07 05:43:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 2 (OVERLAPS) 6/95 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (OVERLAPS) 127/222 variables, 95/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (OVERLAPS) 0/222 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 110 constraints, problems are : Problem set: 0 solved, 121 unsolved in 3571 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 121 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 2 (OVERLAPS) 6/95 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (OVERLAPS) 127/222 variables, 95/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 121/231 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 7 (OVERLAPS) 0/222 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Int declared 222/222 variables, and 231 constraints, problems are : Problem set: 0 solved, 121 unsolved in 5006 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8595ms problems are : Problem set: 0 solved, 121 unsolved
Search for dead transitions found 0 dead transitions in 8596ms
Starting structural reductions in LTL mode, iteration 1 : 95/106 places, 127/138 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8728 ms. Remains : 95/106 places, 127/138 transitions.
[2025-06-07 05:43:30] [INFO ] Flatten gal took : 6 ms
[2025-06-07 05:43:30] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:30] [INFO ] Input system was already deterministic with 127 transitions.
[2025-06-07 05:43:30] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:30] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:30] [INFO ] Time to serialize gal into /tmp/CTLFireability7002771493661189678.gal : 1 ms
[2025-06-07 05:43:30] [INFO ] Time to serialize properties into /tmp/CTLFireability8165679965243780023.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7002771493661189678.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability8165679965243780023.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.89426e+07,0.355712,18248,2,8170,5,81935,6,0,510,52351,0


Converting to forward existential form...Done !
original formula: (E(AG(EF(((Clients_5<1) + A((((IdleTechs_1>=1)&&(OpenRequests_2_0>=1))&&(Idles>=1)) U (MovetoZ_3_0_0>=1))))) U EG((((IdleTechs_1>=1)&&(Op...434
=> equivalent forward existential formula: ([(Init * !(E(!(E(TRUE U !(E(TRUE U ((Clients_5<1) + !((E(!((MovetoZ_3_0_0>=1)) U (!((((IdleTechs_1>=1)&&(OpenRe...586
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 125/0/2
(forward)formula 0,1,4.34227,135412,1,0,15,854758,37,4,2727,316184,18
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 94 transition count 126
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 94 transition count 126
Applied a total of 24 rules in 4 ms. Remains 94 /106 variables (removed 12) and now considering 126/138 (removed 12) transitions.
// Phase 1: matrix 126 rows 94 cols
[2025-06-07 05:43:35] [INFO ] Computed 15 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:35] [INFO ] Implicit Places using invariants in 73 ms returned [63]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 74 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 93/106 places, 126/138 transitions.
Applied a total of 0 rules in 1 ms. Remains 93 /93 variables (removed 0) and now considering 126/126 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 79 ms. Remains : 93/106 places, 126/138 transitions.
[2025-06-07 05:43:35] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:35] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:35] [INFO ] Input system was already deterministic with 126 transitions.
[2025-06-07 05:43:35] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:35] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:35] [INFO ] Time to serialize gal into /tmp/CTLFireability2540692628772937918.gal : 0 ms
[2025-06-07 05:43:35] [INFO ] Time to serialize properties into /tmp/CTLFireability4894266938951274119.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2540692628772937918.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4894266938951274119.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.82423e+07,0.166969,10760,2,4768,5,38153,6,0,501,24660,0


Converting to forward existential form...Done !
original formula: !(E((Clients_2>=1) U AX(EG(AG((((IdleTechs_1>=1)&&(OpenRequests_5_1>=1))&&(Idles>=1)))))))
=> equivalent forward existential formula: [(FwdU(Init,(Clients_2>=1)) * !(EX(!(EG(!(E(TRUE U !((((IdleTechs_1>=1)&&(OpenRequests_5_1>=1))&&(Idles>=1))))))...168
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,1.21404,47968,1,0,6,274619,22,0,2500,64408,7
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 97 transition count 129
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 97 transition count 129
Applied a total of 18 rules in 7 ms. Remains 97 /106 variables (removed 9) and now considering 129/138 (removed 9) transitions.
// Phase 1: matrix 129 rows 97 cols
[2025-06-07 05:43:36] [INFO ] Computed 15 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:36] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-07 05:43:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:36] [INFO ] Implicit Places using invariants and state equation in 75 ms returned []
Implicit Place search using SMT with State Equation took 125 ms to find 0 implicit places.
Running 123 sub problems to find dead transitions.
[2025-06-07 05:43:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 6/97 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (OVERLAPS) 129/226 variables, 97/112 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/226 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (OVERLAPS) 0/226 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Real declared 226/226 variables, and 112 constraints, problems are : Problem set: 0 solved, 123 unsolved in 3668 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 97/97 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 123 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/91 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/91 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 2 (OVERLAPS) 6/97 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/97 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 4 (OVERLAPS) 129/226 variables, 97/112 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/226 variables, 123/235 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/226 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 123 unsolved
At refinement iteration 7 (OVERLAPS) 0/226 variables, 0/235 constraints. Problems are: Problem set: 0 solved, 123 unsolved
No progress, stopping.
After SMT solving in domain Int declared 226/226 variables, and 235 constraints, problems are : Problem set: 0 solved, 123 unsolved in 4853 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 97/97 constraints, PredecessorRefiner: 123/123 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8542ms problems are : Problem set: 0 solved, 123 unsolved
Search for dead transitions found 0 dead transitions in 8542ms
Starting structural reductions in LTL mode, iteration 1 : 97/106 places, 129/138 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8674 ms. Remains : 97/106 places, 129/138 transitions.
[2025-06-07 05:43:45] [INFO ] Flatten gal took : 7 ms
[2025-06-07 05:43:45] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:45] [INFO ] Input system was already deterministic with 129 transitions.
[2025-06-07 05:43:45] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:43:45] [INFO ] Flatten gal took : 4 ms
[2025-06-07 05:43:45] [INFO ] Time to serialize gal into /tmp/CTLFireability14232764099002161846.gal : 1 ms
[2025-06-07 05:43:45] [INFO ] Time to serialize properties into /tmp/CTLFireability10579047064657105105.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14232764099002161846.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability10579047064657105105.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,2.03757e+07,0.423693,20204,2,9337,5,94381,6,0,520,58451,0


Converting to forward existential form...Done !
original formula: EX((AF((ControlRoomDispatch_2>=1)) * ((AF(((NumClientsReq>=1)&&(DoSecuring_3_0>=1))) + A(EX((MovetoZ_5_0_0>=1)) U AG((((IdleTechs_1>=1)&&...514
=> equivalent forward existential formula: (([((EY(Init) * !(EG(!((ControlRoomDispatch_2>=1))))) * !(EG(!(((NumClientsReq>=1)&&(DoSecuring_3_0>=1))))))] !=...894
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 80/77/49
(forward)formula 0,0,10.1014,295200,1,0,69,2.04597e+06,47,41,2862,1.06833e+06,57
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Discarding 11 places :
Symmetric choice reduction at 0 with 11 rule applications. Total rules 11 place count 95 transition count 127
Iterating global reduction 0 with 11 rules applied. Total rules applied 22 place count 95 transition count 127
Applied a total of 22 rules in 6 ms. Remains 95 /106 variables (removed 11) and now considering 127/138 (removed 11) transitions.
// Phase 1: matrix 127 rows 95 cols
[2025-06-07 05:43:55] [INFO ] Computed 15 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:55] [INFO ] Implicit Places using invariants in 53 ms returned []
[2025-06-07 05:43:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:43:55] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Running 121 sub problems to find dead transitions.
[2025-06-07 05:43:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 2 (OVERLAPS) 6/95 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (OVERLAPS) 127/222 variables, 95/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (OVERLAPS) 0/222 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Real declared 222/222 variables, and 110 constraints, problems are : Problem set: 0 solved, 121 unsolved in 3251 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 121 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 2 (OVERLAPS) 6/95 variables, 13/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/95 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 4 (OVERLAPS) 127/222 variables, 95/110 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/222 variables, 121/231 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/222 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 121 unsolved
At refinement iteration 7 (OVERLAPS) 0/222 variables, 0/231 constraints. Problems are: Problem set: 0 solved, 121 unsolved
No progress, stopping.
After SMT solving in domain Int declared 222/222 variables, and 231 constraints, problems are : Problem set: 0 solved, 121 unsolved in 4940 ms.
Refiners :[Positive P Invariants (semi-flows): 15/15 constraints, State Equation: 95/95 constraints, PredecessorRefiner: 121/121 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8221ms problems are : Problem set: 0 solved, 121 unsolved
Search for dead transitions found 0 dead transitions in 8222ms
Starting structural reductions in LTL mode, iteration 1 : 95/106 places, 127/138 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8370 ms. Remains : 95/106 places, 127/138 transitions.
[2025-06-07 05:44:04] [INFO ] Flatten gal took : 4 ms
[2025-06-07 05:44:04] [INFO ] Flatten gal took : 4 ms
[2025-06-07 05:44:04] [INFO ] Input system was already deterministic with 127 transitions.
[2025-06-07 05:44:04] [INFO ] Flatten gal took : 2 ms
[2025-06-07 05:44:04] [INFO ] Flatten gal took : 3 ms
[2025-06-07 05:44:04] [INFO ] Time to serialize gal into /tmp/CTLFireability15093095510734619021.gal : 2 ms
[2025-06-07 05:44:04] [INFO ] Time to serialize properties into /tmp/CTLFireability2095156336419616003.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability15093095510734619021.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2095156336419616003.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,1.89426e+07,0.339333,18852,2,9103,5,84680,6,0,510,53360,0


Converting to forward existential form...Done !
original formula: (AF(((((((IdleTechs_1<1)||(OpenRequests_0_0<1))||(Idles<1))&&(ControlRoomDispatch_0<1))&&(ControlRoomDispatch_4>=1)) + AX(E((((IdleTechs_...365
=> equivalent forward existential formula: [(FwdU((Init * !(!(EG(!(((((((IdleTechs_1<1)||(OpenRequests_0_0<1))||(Idles<1))&&(ControlRoomDispatch_0<1))&&(Co...567
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 78/77/49
Using saturation style SCC detection
Hit Full ! (commute/partial/dont) 78/0/49
Using saturation style SCC detection
(forward)formula 0,0,17.6515,531156,1,0,87,3.13261e+06,53,73,2999,2.53883e+06,116
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 106/106 places, 138/138 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 23 transitions
Trivial Post-agglo rules discarded 23 transitions
Performed 23 trivial Post agglomeration. Transition count delta: 23
Iterating post reduction 0 with 23 rules applied. Total rules applied 23 place count 106 transition count 115
Reduce places removed 23 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 1 with 34 rules applied. Total rules applied 57 place count 83 transition count 104
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 57 place count 83 transition count 92
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 81 place count 71 transition count 92
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 93 place count 65 transition count 86
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 13 rules applied. Total rules applied 106 place count 58 transition count 80
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 130 place count 46 transition count 68
Applied a total of 130 rules in 27 ms. Remains 46 /106 variables (removed 60) and now considering 68/138 (removed 70) transitions.
// Phase 1: matrix 68 rows 46 cols
[2025-06-07 05:44:21] [INFO ] Computed 14 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 05:44:21] [INFO ] Implicit Places using invariants in 55 ms returned [33]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 65 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 45/106 places, 68/138 transitions.
Applied a total of 0 rules in 2 ms. Remains 45 /45 variables (removed 0) and now considering 68/68 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 94 ms. Remains : 45/106 places, 68/138 transitions.
[2025-06-07 05:44:21] [INFO ] Flatten gal took : 2 ms
[2025-06-07 05:44:21] [INFO ] Flatten gal took : 2 ms
[2025-06-07 05:44:21] [INFO ] Input system was already deterministic with 68 transitions.
[2025-06-07 05:44:21] [INFO ] Flatten gal took : 2 ms
[2025-06-07 05:44:21] [INFO ] Flatten gal took : 2 ms
[2025-06-07 05:44:21] [INFO ] Time to serialize gal into /tmp/CTLFireability10383310799617352447.gal : 1 ms
[2025-06-07 05:44:21] [INFO ] Time to serialize properties into /tmp/CTLFireability13552571256229227412.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10383310799617352447.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13552571256229227412.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,907200,0.016919,4240,2,272,5,2082,6,0,251,1330,0


Converting to forward existential form...Done !
original formula: EG((MovetoZ_3_0_0<1))
=> equivalent forward existential formula: [FwdG(Init,(MovetoZ_3_0_0<1))] != FALSE
Hit Full ! (commute/partial/dont) 66/0/2
(forward)formula 0,1,0.046003,5520,1,0,6,10044,19,1,1294,4692,8
FORMULA UtilityControlRoom-PT-Z2T4N06-CTLFireability-2025-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

[2025-06-07 05:44:22] [INFO ] Flatten gal took : 8 ms
[2025-06-07 05:44:22] [INFO ] Flatten gal took : 3 ms
Total runtime 245135 ms.

BK_STOP 1749275062174

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="UtilityControlRoom-PT-Z2T4N06"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# 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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is UtilityControlRoom-PT-Z2T4N06, 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 r240-tall-174915590500818"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N06.tgz
mv UtilityControlRoom-PT-Z2T4N06 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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.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
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;