Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894531900009.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 ServersAndClients-PT-100040, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894531900009
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.0M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 60K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.1K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.7K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 107K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 2.5M May 29 14:32 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 ServersAndClients-PT-100040-CTLCardinality-2023-12
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2023-13
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2023-14
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2023-15
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-00
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-01
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-02
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-03
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-04
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-05
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-06
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-07
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-08
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-09
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-10
FORMULA_NAME ServersAndClients-PT-100040-CTLCardinality-2025-11

=== Now, execution of the tool begins

BK_START 1748959113090

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-100040
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLCardinality PT
Running Version 202505121319
[2025-06-03 13:58:34] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 13:58:34] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 13:58:34] [INFO ] Load time of PNML (sax parser for PT used): 283 ms
[2025-06-03 13:58:34] [INFO ] Transformed 4441 places.
[2025-06-03 13:58:34] [INFO ] Transformed 8200 transitions.
[2025-06-03 13:58:34] [INFO ] Found NUPN structural information;
[2025-06-03 13:58:34] [INFO ] Parsed PT model containing 4441 places and 8200 transitions and 24800 arcs in 409 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 36 ms.
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100040-CTLCardinality-2023-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 102 out of 4441 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 4441/4441 places, 8200/8200 transitions.
Applied a total of 0 rules in 648 ms. Remains 4441 /4441 variables (removed 0) and now considering 8200/8200 (removed 0) transitions.
// Phase 1: matrix 8200 rows 4441 cols
[2025-06-03 13:58:35] [INFO ] Computed 241 invariants in 145 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:07] [INFO ] Performed 2825/4441 implicitness test of which 221 returned IMPLICIT in 30 seconds.
[2025-06-03 13:59:17] [INFO ] Implicit Places using invariants in 42249 ms returned [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 401, 502, 603, 704, 805, 906, 1007, 1108, 1209, 1310, 1411, 1512, 1613, 1714, 1815, 1916, 2017, 2118, 2219, 2320, 2421, 2623, 2724, 2825, 2926, 3027, 3128, 3229, 3330, 3431, 3532, 3633, 3734, 3835, 3936, 4037, 4138, 4239, 4340]
Discarding 236 places :
Implicit Place search using SMT only with invariants took 42301 ms to find 236 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 4205/4441 places, 8200/8200 transitions.
Discarding 3801 places :
Symmetric choice reduction at 0 with 3801 rule applications. Total rules 3801 place count 404 transition count 4399
Iterating global reduction 0 with 3801 rules applied. Total rules applied 7602 place count 404 transition count 4399
Ensure Unique test removed 3707 transitions
Reduce isomorphic transitions removed 3707 transitions.
Iterating post reduction 0 with 3707 rules applied. Total rules applied 11309 place count 404 transition count 692
Discarding 187 places :
Symmetric choice reduction at 1 with 187 rule applications. Total rules 11496 place count 217 transition count 505
Iterating global reduction 1 with 187 rules applied. Total rules applied 11683 place count 217 transition count 505
Discarding 36 places :
Symmetric choice reduction at 1 with 36 rule applications. Total rules 11719 place count 181 transition count 433
Iterating global reduction 1 with 36 rules applied. Total rules applied 11755 place count 181 transition count 433
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 1 with 36 rules applied. Total rules applied 11791 place count 181 transition count 397
Applied a total of 11791 rules in 180 ms. Remains 181 /4205 variables (removed 4024) and now considering 397/8200 (removed 7803) transitions.
// Phase 1: matrix 397 rows 181 cols
[2025-06-03 13:59:18] [INFO ] Computed 5 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:18] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-03 13:59:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:18] [INFO ] Implicit Places using invariants and state equation in 218 ms returned []
Implicit Place search using SMT with State Equation took 299 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 181/4441 places, 397/8200 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43445 ms. Remains : 181/4441 places, 397/8200 transitions.
Support contains 102 out of 181 places after structural reductions.
[2025-06-03 13:59:18] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2025-06-03 13:59:18] [INFO ] Flatten gal took : 45 ms
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-03 13:59:18] [INFO ] Flatten gal took : 25 ms
[2025-06-03 13:59:18] [INFO ] Input system was already deterministic with 397 transitions.
Support contains 82 out of 181 places (down from 102) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 1962 ms. (20 steps per ms) remains 2/40 properties
BEST_FIRST walk for 40004 steps (8 resets) in 146 ms. (272 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 2/2 properties
[2025-06-03 13:59:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem AtomicPropp36 is UNSAT
At refinement iteration 1 (OVERLAPS) 170/177 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/177 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/181 variables, 4/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/181 variables, 0/5 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 397/578 variables, 181/186 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/578 variables, 0/186 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/578 variables, 0/186 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 578/578 variables, and 186 constraints, problems are : Problem set: 1 solved, 1 unsolved in 200 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, State Equation: 181/181 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Problem AtomicPropp33 is UNSAT
After SMT solving in domain Int declared 177/578 variables, and 1 constraints, problems are : Problem set: 2 solved, 0 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/5 constraints, State Equation: 0/181 constraints, PredecessorRefiner: 0/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 263ms problems are : Problem set: 2 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 2 atomic propositions for a total of 13 simplifications.
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 15 ms
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 15 ms
[2025-06-03 13:59:19] [INFO ] Input system was already deterministic with 397 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 76 places :
Symmetric choice reduction at 0 with 76 rule applications. Total rules 76 place count 105 transition count 320
Iterating global reduction 0 with 76 rules applied. Total rules applied 152 place count 105 transition count 320
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Iterating post reduction 0 with 74 rules applied. Total rules applied 226 place count 105 transition count 246
Discarding 40 places :
Symmetric choice reduction at 1 with 40 rule applications. Total rules 266 place count 65 transition count 168
Iterating global reduction 1 with 40 rules applied. Total rules applied 306 place count 65 transition count 168
Ensure Unique test removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 1 with 38 rules applied. Total rules applied 344 place count 65 transition count 130
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 345 place count 64 transition count 128
Iterating global reduction 2 with 1 rules applied. Total rules applied 346 place count 64 transition count 128
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 347 place count 64 transition count 127
Applied a total of 347 rules in 8 ms. Remains 64 /181 variables (removed 117) and now considering 127/397 (removed 270) transitions.
// Phase 1: matrix 127 rows 64 cols
[2025-06-03 13:59:19] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:19] [INFO ] Implicit Places using invariants in 37 ms returned [0, 1, 2, 47]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 38 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 60/181 places, 127/397 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 52 transition count 119
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 52 transition count 119
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 0 with 24 rules applied. Total rules applied 40 place count 52 transition count 95
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 43 place count 49 transition count 92
Iterating global reduction 1 with 3 rules applied. Total rules applied 46 place count 49 transition count 92
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 49 place count 46 transition count 89
Iterating global reduction 1 with 3 rules applied. Total rules applied 52 place count 46 transition count 89
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 55 place count 46 transition count 86
Applied a total of 55 rules in 3 ms. Remains 46 /60 variables (removed 14) and now considering 86/127 (removed 41) transitions.
// Phase 1: matrix 86 rows 46 cols
[2025-06-03 13:59:19] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:19] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-03 13:59:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:19] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 60 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 46/181 places, 86/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 109 ms. Remains : 46/181 places, 86/397 transitions.
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 3 ms
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 4 ms
[2025-06-03 13:59:19] [INFO ] Input system was already deterministic with 86 transitions.
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 3 ms
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:19] [INFO ] Time to serialize gal into /tmp/CTLCardinality9514637773608231228.gal : 1 ms
[2025-06-03 13:59:19] [INFO ] Time to serialize properties into /tmp/CTLCardinality13375553295669765697.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/CTLCardinality9514637773608231228.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13375553295669765697.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,46,0.019837,4156,2,92,5,1110,6,0,273,2008,0


Converting to forward existential form...Done !
original formula: EF((((EX(((sv6_c46==0)||(sv27_c6==1))) + !(A(((sv35_c28==0)||(sv1_c24==1)) U (sv27_c55==0)))) + AF(EG((sv12_c94==0)))) * (((!(A(((sv38_c7...408
=> equivalent forward existential formula: (((([(FwdU((FwdU(Init,TRUE) * ((EX(((sv6_c46==0)||(sv27_c6==1))) + !(!((E(!((sv27_c55==0)) U (!(((sv35_c28==0)||...1663
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Hit Full ! (commute/partial/dont) 82/4/4
Hit Full ! (commute/partial/dont) 84/0/2
(forward)formula 0,1,0.03805,4924,1,0,11,5163,56,1,1339,2008,18
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 89 places :
Symmetric choice reduction at 0 with 89 rule applications. Total rules 89 place count 92 transition count 307
Iterating global reduction 0 with 89 rules applied. Total rules applied 178 place count 92 transition count 307
Ensure Unique test removed 86 transitions
Reduce isomorphic transitions removed 86 transitions.
Iterating post reduction 0 with 86 rules applied. Total rules applied 264 place count 92 transition count 221
Discarding 53 places :
Symmetric choice reduction at 1 with 53 rule applications. Total rules 317 place count 39 transition count 119
Iterating global reduction 1 with 53 rules applied. Total rules applied 370 place count 39 transition count 119
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 1 with 49 rules applied. Total rules applied 419 place count 39 transition count 70
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 421 place count 37 transition count 66
Iterating global reduction 2 with 2 rules applied. Total rules applied 423 place count 37 transition count 66
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 425 place count 37 transition count 64
Applied a total of 425 rules in 3 ms. Remains 37 /181 variables (removed 144) and now considering 64/397 (removed 333) transitions.
// Phase 1: matrix 64 rows 37 cols
[2025-06-03 13:59:19] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:19] [INFO ] Implicit Places using invariants in 22 ms returned [0, 1, 2]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 23 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 34/181 places, 64/397 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 31 transition count 61
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 31 transition count 61
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 12 place count 25 transition count 55
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 25 transition count 55
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 21 place count 22 transition count 49
Iterating global reduction 0 with 3 rules applied. Total rules applied 24 place count 22 transition count 49
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 27 place count 22 transition count 46
Applied a total of 27 rules in 1 ms. Remains 22 /34 variables (removed 12) and now considering 46/64 (removed 18) transitions.
// Phase 1: matrix 46 rows 22 cols
[2025-06-03 13:59:19] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:19] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 13:59:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:19] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 22/181 places, 46/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 22/181 places, 46/397 transitions.
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:19] [INFO ] Input system was already deterministic with 46 transitions.
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:19] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:19] [INFO ] Time to serialize gal into /tmp/CTLCardinality3346700086264013572.gal : 0 ms
[2025-06-03 13:59:19] [INFO ] Time to serialize properties into /tmp/CTLCardinality6906604595445746743.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/CTLCardinality3346700086264013572.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality6906604595445746743.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,21,0.005413,3932,2,45,5,316,6,0,137,229,0


Converting to forward existential form...Done !
original formula: EG((AF(EX(EX((sv12_c48==0)))) * AX((((((sv11_c29==0)||(sv13_c14==1))&&(sv38_c13==1))||(((sv4_c47==0)||(sv21==1))&&((sv4_c11==0)||(sv15_c5...187
=> equivalent forward existential formula: [FwdG(Init,(!(EG(!(EX(EX((sv12_c48==0)))))) * !(EX(!((((((sv11_c29==0)||(sv13_c14==1))&&(sv38_c13==1))||(((sv4_c...242
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.01287,4572,1,0,21,1639,29,12,550,1008,20
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-01 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 93 places :
Symmetric choice reduction at 0 with 93 rule applications. Total rules 93 place count 88 transition count 303
Iterating global reduction 0 with 93 rules applied. Total rules applied 186 place count 88 transition count 303
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 0 with 90 rules applied. Total rules applied 276 place count 88 transition count 213
Discarding 58 places :
Symmetric choice reduction at 1 with 58 rule applications. Total rules 334 place count 30 transition count 101
Iterating global reduction 1 with 58 rules applied. Total rules applied 392 place count 30 transition count 101
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 446 place count 30 transition count 47
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 447 place count 29 transition count 45
Iterating global reduction 2 with 1 rules applied. Total rules applied 448 place count 29 transition count 45
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 449 place count 29 transition count 44
Applied a total of 449 rules in 4 ms. Remains 29 /181 variables (removed 152) and now considering 44/397 (removed 353) transitions.
// Phase 1: matrix 44 rows 29 cols
[2025-06-03 13:59:19] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:19] [INFO ] Implicit Places using invariants in 29 ms returned [0, 1, 2, 23]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 30 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/181 places, 44/397 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 18 transition count 37
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 18 transition count 37
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 22 place count 18 transition count 29
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 25 place count 15 transition count 26
Iterating global reduction 1 with 3 rules applied. Total rules applied 28 place count 15 transition count 26
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 31 place count 12 transition count 23
Iterating global reduction 1 with 3 rules applied. Total rules applied 34 place count 12 transition count 23
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 37 place count 12 transition count 20
Applied a total of 37 rules in 4 ms. Remains 12 /25 variables (removed 13) and now considering 20/44 (removed 24) transitions.
// Phase 1: matrix 20 rows 12 cols
[2025-06-03 13:59:20] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 12/181 places, 20/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 74 ms. Remains : 12/181 places, 20/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 3 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 20 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality5353502816622579498.gal : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality4679113616325754451.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/CTLCardinality5353502816622579498.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality4679113616325754451.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,12,0.004717,3764,2,24,5,143,6,0,71,106,0


Converting to forward existential form...Done !
original formula: AF(EX((AG(!(A((sv5_c23==1) U (sv11_c25==1)))) * EF(EX(((sv2_c28==0)&&(sv39_c91==1)))))))
=> equivalent forward existential formula: [FwdG(Init,!(EX((!(E(TRUE U !(!(!((E(!((sv11_c25==1)) U (!((sv5_c23==1)) * !((sv11_c25==1)))) + EG(!((sv11_c25==...224
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 18/0/2
(forward)formula 0,0,0.010814,4276,1,0,10,588,31,2,341,333,18
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 95 places :
Symmetric choice reduction at 0 with 95 rule applications. Total rules 95 place count 86 transition count 301
Iterating global reduction 0 with 95 rules applied. Total rules applied 190 place count 86 transition count 301
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 92 transitions.
Iterating post reduction 0 with 92 rules applied. Total rules applied 282 place count 86 transition count 209
Discarding 59 places :
Symmetric choice reduction at 1 with 59 rule applications. Total rules 341 place count 27 transition count 95
Iterating global reduction 1 with 59 rules applied. Total rules applied 400 place count 27 transition count 95
Ensure Unique test removed 55 transitions
Reduce isomorphic transitions removed 55 transitions.
Iterating post reduction 1 with 55 rules applied. Total rules applied 455 place count 27 transition count 40
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 457 place count 25 transition count 36
Iterating global reduction 2 with 2 rules applied. Total rules applied 459 place count 25 transition count 36
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 461 place count 25 transition count 34
Applied a total of 461 rules in 4 ms. Remains 25 /181 variables (removed 156) and now considering 34/397 (removed 363) transitions.
// Phase 1: matrix 34 rows 25 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 25 ms returned [0, 1, 2, 20]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 31 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/181 places, 34/397 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 14 transition count 27
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 14 transition count 27
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 20 place count 14 transition count 21
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 23 place count 11 transition count 18
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 11 transition count 18
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 29 place count 8 transition count 15
Iterating global reduction 1 with 3 rules applied. Total rules applied 32 place count 8 transition count 15
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 35 place count 8 transition count 12
Applied a total of 35 rules in 1 ms. Remains 8 /21 variables (removed 13) and now considering 12/34 (removed 22) transitions.
// Phase 1: matrix 12 rows 8 cols
[2025-06-03 13:59:20] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 8/181 places, 12/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 73 ms. Remains : 8/181 places, 12/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 12 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality12047399719805193594.gal : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality1147178634237200340.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/CTLCardinality12047399719805193594.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality1147178634237200340.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,8,0.002218,3788,2,16,5,82,6,0,47,54,0


Converting to forward existential form...Done !
original formula: EF(EG(EX(((sv14_c31==0)&&(sv11_c14==1)))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),EX(((sv14_c31==0)&&(sv11_c14==1))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.003771,3916,1,0,8,221,16,2,178,115,10
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 89 places :
Symmetric choice reduction at 0 with 89 rule applications. Total rules 89 place count 92 transition count 307
Iterating global reduction 0 with 89 rules applied. Total rules applied 178 place count 92 transition count 307
Ensure Unique test removed 86 transitions
Reduce isomorphic transitions removed 86 transitions.
Iterating post reduction 0 with 86 rules applied. Total rules applied 264 place count 92 transition count 221
Discarding 54 places :
Symmetric choice reduction at 1 with 54 rule applications. Total rules 318 place count 38 transition count 117
Iterating global reduction 1 with 54 rules applied. Total rules applied 372 place count 38 transition count 117
Ensure Unique test removed 50 transitions
Reduce isomorphic transitions removed 50 transitions.
Iterating post reduction 1 with 50 rules applied. Total rules applied 422 place count 38 transition count 67
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 424 place count 36 transition count 63
Iterating global reduction 2 with 2 rules applied. Total rules applied 426 place count 36 transition count 63
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 428 place count 36 transition count 61
Applied a total of 428 rules in 3 ms. Remains 36 /181 variables (removed 145) and now considering 61/397 (removed 336) transitions.
// Phase 1: matrix 61 rows 36 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 33 ms returned [0, 1, 2, 28]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 35 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 32/181 places, 61/397 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 25 transition count 54
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 25 transition count 54
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 25 place count 25 transition count 43
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 28 place count 22 transition count 40
Iterating global reduction 1 with 3 rules applied. Total rules applied 31 place count 22 transition count 40
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 34 place count 19 transition count 37
Iterating global reduction 1 with 3 rules applied. Total rules applied 37 place count 19 transition count 37
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 40 place count 19 transition count 34
Applied a total of 40 rules in 1 ms. Remains 19 /32 variables (removed 13) and now considering 34/61 (removed 27) transitions.
// Phase 1: matrix 34 rows 19 cols
[2025-06-03 13:59:20] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 19/181 places, 34/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 82 ms. Remains : 19/181 places, 34/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 34 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality5890471372217469593.gal : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality13650664926768397809.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/CTLCardinality5890471372217469593.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality13650664926768397809.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,19,0.003966,3928,2,38,5,241,6,0,113,184,0


Converting to forward existential form...Done !
original formula: E(!(AX(AX((E((sv17_c21==1) U ((sv34_c21==0)||(sv9_c36==1))) * EF(((sv19_c51==0)||(sv11_c48==1))))))) U !(E(!(((sv25_c60==0)||(sv39_c90==1...176
=> equivalent forward existential formula: [(FwdU(Init,!(!(EX(!(!(EX(!((E((sv17_c21==1) U ((sv34_c21==0)||(sv9_c36==1))) * E(TRUE U ((sv19_c51==0)||(sv11_c...240
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 30/4/4
Hit Full ! (commute/partial/dont) 32/0/2
(forward)formula 0,0,0.009245,4184,1,0,15,1149,35,7,536,509,21
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-04 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 93 places :
Symmetric choice reduction at 0 with 93 rule applications. Total rules 93 place count 88 transition count 304
Iterating global reduction 0 with 93 rules applied. Total rules applied 186 place count 88 transition count 304
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 0 with 90 rules applied. Total rules applied 276 place count 88 transition count 214
Discarding 58 places :
Symmetric choice reduction at 1 with 58 rule applications. Total rules 334 place count 30 transition count 102
Iterating global reduction 1 with 58 rules applied. Total rules applied 392 place count 30 transition count 102
Ensure Unique test removed 54 transitions
Reduce isomorphic transitions removed 54 transitions.
Iterating post reduction 1 with 54 rules applied. Total rules applied 446 place count 30 transition count 48
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 448 place count 28 transition count 44
Iterating global reduction 2 with 2 rules applied. Total rules applied 450 place count 28 transition count 44
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 452 place count 28 transition count 42
Applied a total of 452 rules in 3 ms. Remains 28 /181 variables (removed 153) and now considering 42/397 (removed 355) transitions.
// Phase 1: matrix 42 rows 28 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 23 ms returned [0, 2, 23]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 24 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/181 places, 42/397 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 19 transition count 36
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 19 transition count 36
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 20 place count 19 transition count 28
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 22 place count 17 transition count 26
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 17 transition count 26
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 15 transition count 24
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 15 transition count 24
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 30 place count 15 transition count 22
Applied a total of 30 rules in 1 ms. Remains 15 /25 variables (removed 10) and now considering 22/42 (removed 20) transitions.
// Phase 1: matrix 22 rows 15 cols
[2025-06-03 13:59:20] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 15/181 places, 22/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 69 ms. Remains : 15/181 places, 22/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 22 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality5291454345111476955.gal : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality4115657999763969944.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/CTLCardinality5291454345111476955.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality4115657999763969944.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,14,0.002901,3776,2,30,5,156,6,0,85,114,0


Converting to forward existential form...Done !
original formula: (AG((AF(((init73==0)||(sv2_c83==1))) * EF(EX(((sv12_c11==0)||(sys_req80==1)))))) + AF((sv3_c49==1)))
=> equivalent forward existential formula: [FwdG((Init * !(!(E(TRUE U !((!(EG(!(((init73==0)||(sv2_c83==1))))) * E(TRUE U EX(((sv12_c11==0)||(sys_req80==1)...190
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 20/0/2
(forward)formula 0,0,0.006713,4288,1,0,9,630,33,5,404,392,16
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-06 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 : 181/181 places, 397/397 transitions.
Discarding 96 places :
Symmetric choice reduction at 0 with 96 rule applications. Total rules 96 place count 85 transition count 300
Iterating global reduction 0 with 96 rules applied. Total rules applied 192 place count 85 transition count 300
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Iterating post reduction 0 with 93 rules applied. Total rules applied 285 place count 85 transition count 207
Discarding 60 places :
Symmetric choice reduction at 1 with 60 rule applications. Total rules 345 place count 25 transition count 91
Iterating global reduction 1 with 60 rules applied. Total rules applied 405 place count 25 transition count 91
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 461 place count 25 transition count 35
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 463 place count 23 transition count 31
Iterating global reduction 2 with 2 rules applied. Total rules applied 465 place count 23 transition count 31
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 467 place count 23 transition count 29
Applied a total of 467 rules in 4 ms. Remains 23 /181 variables (removed 158) and now considering 29/397 (removed 368) transitions.
// Phase 1: matrix 29 rows 23 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 21 ms returned [0, 1, 2, 17]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 22 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/181 places, 29/397 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 12 transition count 22
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 12 transition count 22
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 19 place count 12 transition count 17
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 22 place count 9 transition count 14
Iterating global reduction 1 with 3 rules applied. Total rules applied 25 place count 9 transition count 14
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 28 place count 6 transition count 11
Iterating global reduction 1 with 3 rules applied. Total rules applied 31 place count 6 transition count 11
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 34 place count 6 transition count 8
Applied a total of 34 rules in 1 ms. Remains 6 /19 variables (removed 13) and now considering 8/29 (removed 21) transitions.
// Phase 1: matrix 8 rows 6 cols
[2025-06-03 13:59:20] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 6/181 places, 8/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 64 ms. Remains : 6/181 places, 8/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 8 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality15799702604062441110.gal : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality4754369971522161928.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/CTLCardinality15799702604062441110.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality4754369971522161928.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,6,0.002253,3660,2,12,5,54,6,0,35,34,0


Converting to forward existential form...Done !
original formula: AF(AX(AX(EG((sv38_c90==1)))))
=> equivalent forward existential formula: [FwdG(Init,!(!(EX(!(!(EX(!(EG((sv38_c90==1))))))))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.003747,3916,1,0,6,138,20,1,142,85,8
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 93 places :
Symmetric choice reduction at 0 with 93 rule applications. Total rules 93 place count 88 transition count 303
Iterating global reduction 0 with 93 rules applied. Total rules applied 186 place count 88 transition count 303
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 transitions.
Iterating post reduction 0 with 90 rules applied. Total rules applied 276 place count 88 transition count 213
Discarding 56 places :
Symmetric choice reduction at 1 with 56 rule applications. Total rules 332 place count 32 transition count 105
Iterating global reduction 1 with 56 rules applied. Total rules applied 388 place count 32 transition count 105
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 1 with 52 rules applied. Total rules applied 440 place count 32 transition count 53
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 442 place count 30 transition count 49
Iterating global reduction 2 with 2 rules applied. Total rules applied 444 place count 30 transition count 49
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 446 place count 30 transition count 47
Applied a total of 446 rules in 3 ms. Remains 30 /181 variables (removed 151) and now considering 47/397 (removed 350) transitions.
// Phase 1: matrix 47 rows 30 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 28 ms returned [1, 2, 24]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 29 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 27/181 places, 47/397 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 21 transition count 41
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 21 transition count 41
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 21 place count 21 transition count 32
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 19 transition count 30
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 19 transition count 30
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 27 place count 17 transition count 28
Iterating global reduction 1 with 2 rules applied. Total rules applied 29 place count 17 transition count 28
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 31 place count 17 transition count 26
Applied a total of 31 rules in 0 ms. Remains 17 /27 variables (removed 10) and now considering 26/47 (removed 21) transitions.
// Phase 1: matrix 26 rows 17 cols
[2025-06-03 13:59:20] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 17/181 places, 26/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 71 ms. Remains : 17/181 places, 26/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 26 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality5921880225473517223.gal : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality9167868673151134510.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/CTLCardinality5921880225473517223.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9167868673151134510.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,16,0.003279,3816,2,46,5,220,6,0,97,133,0


Converting to forward existential form...Done !
original formula: EG(((AF(AX((init10==1))) * EG(AX(((sv29_c20==0)||(sys_req95==1))))) * ((sv1_c18==0)||((sv3_c94==1)&&(sv18_c99==1)))))
=> equivalent forward existential formula: [FwdG(Init,((!(EG(!(!(EX(!((init10==1))))))) * EG(!(EX(!(((sv29_c20==0)||(sys_req95==1))))))) * ((sv1_c18==0)||(...196
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,1,0.008162,4200,1,0,23,1317,28,11,416,716,20
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-09 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 : 181/181 places, 397/397 transitions.
Graph (trivial) has 304 edges and 181 vertex of which 151 / 181 are part of one of the 1 SCC in 2 ms
Free SCC test removed 150 places
Ensure Unique test removed 350 transitions
Reduce isomorphic transitions removed 350 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 31 transition count 36
Reduce places removed 11 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 15 rules applied. Total rules applied 27 place count 20 transition count 32
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 17 transition count 29
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 2 with 4 rules applied. Total rules applied 37 place count 17 transition count 25
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 2 with 3 rules applied. Total rules applied 40 place count 17 transition count 22
Reduce places removed 6 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 49 place count 11 transition count 19
Applied a total of 49 rules in 16 ms. Remains 11 /181 variables (removed 170) and now considering 19/397 (removed 378) transitions.
// Phase 1: matrix 19 rows 11 cols
[2025-06-03 13:59:20] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 16 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 17 ms to find 1 implicit places.
Starting structural reductions in SI_CTL mode, iteration 1 : 10/181 places, 19/397 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 19/19 (removed 0) transitions.
Finished structural reductions in SI_CTL mode , in 2 iterations and 35 ms. Remains : 10/181 places, 19/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 0 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 19 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality14784538646220570152.gal : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality9860223620403746250.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/CTLCardinality14784538646220570152.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality9860223620403746250.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,10,0.002452,3756,2,20,5,82,6,0,61,47,0


Converting to forward existential form...Done !
original formula: EG(!(E((sv35_c85!=1) U (!((AF((sv37_c97==1)) + (((sv27_c4==0)||(sv22_c2==1))&&((sv17_c15==0)||(sv21_c38==1))))) * AF((((sv13_c65==0)||(sv...185
=> equivalent forward existential formula: [FwdG(Init,!(E((sv35_c85!=1) U (!((!(EG(!((sv37_c97==1)))) + (((sv27_c4==0)||(sv22_c2==1))&&((sv17_c15==0)||(sv2...240
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 17/0/2
(forward)formula 0,0,0.0056,4268,1,0,12,427,39,6,269,224,11
FORMULA ServersAndClients-PT-100040-CTLCardinality-2025-10 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 : 181/181 places, 397/397 transitions.
Discarding 90 places :
Symmetric choice reduction at 0 with 90 rule applications. Total rules 90 place count 91 transition count 306
Iterating global reduction 0 with 90 rules applied. Total rules applied 180 place count 91 transition count 306
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Iterating post reduction 0 with 87 rules applied. Total rules applied 267 place count 91 transition count 219
Discarding 56 places :
Symmetric choice reduction at 1 with 56 rule applications. Total rules 323 place count 35 transition count 111
Iterating global reduction 1 with 56 rules applied. Total rules applied 379 place count 35 transition count 111
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Iterating post reduction 1 with 52 rules applied. Total rules applied 431 place count 35 transition count 59
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 433 place count 33 transition count 55
Iterating global reduction 2 with 2 rules applied. Total rules applied 435 place count 33 transition count 55
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 437 place count 33 transition count 53
Applied a total of 437 rules in 3 ms. Remains 33 /181 variables (removed 148) and now considering 53/397 (removed 344) transitions.
// Phase 1: matrix 53 rows 33 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 22 ms returned [0, 1, 25]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 23 ms to find 3 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 30/181 places, 53/397 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 24 transition count 47
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 24 transition count 47
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 21 place count 24 transition count 38
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 22 transition count 36
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 22 transition count 36
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 21 transition count 35
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 21 transition count 35
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 28 place count 21 transition count 34
Applied a total of 28 rules in 1 ms. Remains 21 /30 variables (removed 9) and now considering 34/53 (removed 19) transitions.
// Phase 1: matrix 34 rows 21 cols
[2025-06-03 13:59:20] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 21/181 places, 34/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 68 ms. Remains : 21/181 places, 34/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 34 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality18395229070667370153.gal : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality2093001178089164844.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/CTLCardinality18395229070667370153.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality2093001178089164844.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,20,0.006399,3944,2,42,5,266,6,0,121,200,0


Converting to forward existential form...Done !
original formula: EF(((AG(((sv20_c99==0) + AX((sv23_c53==0)))) * ((sv3_c99==0)||(init79==1))) * (((sv7_c6==1)||(sv0_c50==0))||((sv37_c3==0)&&(sv39_c10==1))...158
=> equivalent forward existential formula: [(((FwdU(Init,TRUE) * (((sv7_c6==1)||(sv0_c50==0))||((sv37_c3==0)&&(sv39_c10==1)))) * ((sv3_c99==0)||(init79==1)...228
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.011418,4200,1,0,10,850,17,3,464,329,7
FORMULA ServersAndClients-PT-100040-CTLCardinality-2023-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 96 places :
Symmetric choice reduction at 0 with 96 rule applications. Total rules 96 place count 85 transition count 300
Iterating global reduction 0 with 96 rules applied. Total rules applied 192 place count 85 transition count 300
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Iterating post reduction 0 with 93 rules applied. Total rules applied 285 place count 85 transition count 207
Discarding 60 places :
Symmetric choice reduction at 1 with 60 rule applications. Total rules 345 place count 25 transition count 91
Iterating global reduction 1 with 60 rules applied. Total rules applied 405 place count 25 transition count 91
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 461 place count 25 transition count 35
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 463 place count 23 transition count 31
Iterating global reduction 2 with 2 rules applied. Total rules applied 465 place count 23 transition count 31
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 467 place count 23 transition count 29
Applied a total of 467 rules in 3 ms. Remains 23 /181 variables (removed 158) and now considering 29/397 (removed 368) transitions.
// Phase 1: matrix 29 rows 23 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 23 ms returned [0, 1, 2, 17]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 25 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/181 places, 29/397 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 12 transition count 22
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 12 transition count 22
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 19 place count 12 transition count 17
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 22 place count 9 transition count 14
Iterating global reduction 1 with 3 rules applied. Total rules applied 25 place count 9 transition count 14
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 28 place count 6 transition count 11
Iterating global reduction 1 with 3 rules applied. Total rules applied 31 place count 6 transition count 11
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 34 place count 6 transition count 8
Applied a total of 34 rules in 0 ms. Remains 6 /19 variables (removed 13) and now considering 8/29 (removed 21) transitions.
// Phase 1: matrix 8 rows 6 cols
[2025-06-03 13:59:20] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 33 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 6/181 places, 8/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 61 ms. Remains : 6/181 places, 8/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 0 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 8 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality6440057026124024003.gal : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality15173647272927712399.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/CTLCardinality6440057026124024003.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality15173647272927712399.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,6,0.00301,3660,2,12,5,54,6,0,35,34,0


Converting to forward existential form...Done !
original formula: EF(!(A((sv32_c95==0) U EX(TRUE))))
=> equivalent forward existential formula: ([((FwdU(FwdU(Init,TRUE),!(EX(TRUE))) * !((sv32_c95==0))) * !(EX(TRUE)))] != FALSE + [FwdG(FwdU(Init,TRUE),!(EX(...173
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.003854,3660,1,0,5,123,15,0,129,69,4
FORMULA ServersAndClients-PT-100040-CTLCardinality-2023-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 181/181 places, 397/397 transitions.
Discarding 96 places :
Symmetric choice reduction at 0 with 96 rule applications. Total rules 96 place count 85 transition count 300
Iterating global reduction 0 with 96 rules applied. Total rules applied 192 place count 85 transition count 300
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Iterating post reduction 0 with 93 rules applied. Total rules applied 285 place count 85 transition count 207
Discarding 60 places :
Symmetric choice reduction at 1 with 60 rule applications. Total rules 345 place count 25 transition count 91
Iterating global reduction 1 with 60 rules applied. Total rules applied 405 place count 25 transition count 91
Ensure Unique test removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 1 with 56 rules applied. Total rules applied 461 place count 25 transition count 35
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 463 place count 23 transition count 31
Iterating global reduction 2 with 2 rules applied. Total rules applied 465 place count 23 transition count 31
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 467 place count 23 transition count 29
Applied a total of 467 rules in 3 ms. Remains 23 /181 variables (removed 158) and now considering 29/397 (removed 368) transitions.
// Phase 1: matrix 29 rows 23 cols
[2025-06-03 13:59:20] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 21 ms returned [0, 1, 2, 18]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 22 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 19/181 places, 29/397 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 12 transition count 22
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 12 transition count 22
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 19 place count 12 transition count 17
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 22 place count 9 transition count 14
Iterating global reduction 1 with 3 rules applied. Total rules applied 25 place count 9 transition count 14
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 28 place count 6 transition count 11
Iterating global reduction 1 with 3 rules applied. Total rules applied 31 place count 6 transition count 11
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 34 place count 6 transition count 8
Applied a total of 34 rules in 1 ms. Remains 6 /19 variables (removed 13) and now considering 8/29 (removed 21) transitions.
// Phase 1: matrix 8 rows 6 cols
[2025-06-03 13:59:20] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:20] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 6/181 places, 8/397 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 63 ms. Remains : 6/181 places, 8/397 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 0 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 0 ms
[2025-06-03 13:59:20] [INFO ] Input system was already deterministic with 8 transitions.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize gal into /tmp/CTLCardinality13569241858019513444.gal : 0 ms
[2025-06-03 13:59:20] [INFO ] Time to serialize properties into /tmp/CTLCardinality14541055269279354419.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/CTLCardinality13569241858019513444.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLCardinality14541055269279354419.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,6,0.002018,3788,2,12,5,54,6,0,35,34,0


Converting to forward existential form...Done !
original formula: AF((EX(TRUE) + AX(AG((sv4_c44==0)))))
=> equivalent forward existential formula: [FwdG(Init,!((EX(TRUE) + !(EX(!(!(E(TRUE U !((sv4_c44==0))))))))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.003199,3916,1,0,6,148,21,0,141,86,7
FORMULA ServersAndClients-PT-100040-CTLCardinality-2023-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 12 ms
[2025-06-03 13:59:20] [INFO ] Flatten gal took : 10 ms
Total runtime 46575 ms.

BK_STOP 1748959160892

--------------------
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
+ [[ CTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLCardinality -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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -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="ServersAndClients-PT-100040"
export BK_EXAMINATION="CTLCardinality"
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 ServersAndClients-PT-100040, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r198-tall-174894531900009"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ServersAndClients-PT-100040.tgz
mv ServersAndClients-PT-100040 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;