Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894531900012.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 LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894531900012
=====================================================================

--------------------
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-LTLFireability-00
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-01
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-02
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-03
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-04
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-05
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-06
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-07
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-08
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-09
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-10
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-11
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-12
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-13
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-14
FORMULA_NAME ServersAndClients-PT-100040-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1748959135266

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
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
LTLFireability PT
Running Version 202505121319
[2025-06-03 13:58:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 13:58:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 13:58:56] [INFO ] Load time of PNML (sax parser for PT used): 269 ms
[2025-06-03 13:58:56] [INFO ] Transformed 4441 places.
[2025-06-03 13:58:56] [INFO ] Transformed 8200 transitions.
[2025-06-03 13:58:56] [INFO ] Found NUPN structural information;
[2025-06-03 13:58:56] [INFO ] Parsed PT model containing 4441 places and 8200 transitions and 24800 arcs in 393 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 24 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ServersAndClients-PT-100040-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100040-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100040-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 47 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 733 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 13:58:58] [INFO ] Computed 241 invariants in 137 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:29] [INFO ] Performed 4037/4441 implicitness test of which 228 returned IMPLICIT in 30 seconds.
[2025-06-03 13:59:31] [INFO ] Implicit Places using invariants in 33280 ms returned [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 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, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 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, 502, 603, 704, 805, 906, 1007, 1209, 1310, 1411, 1512, 1613, 1714, 1815, 2017, 2118, 2320, 2421, 2522, 2724, 2825, 3027, 3128, 3229, 3532, 3633, 3734, 3835, 4037, 4138, 4340]
Discarding 230 places :
Implicit Place search using SMT only with invariants took 33339 ms to find 230 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 4211/4441 places, 8200/8200 transitions.
Discarding 2977 places :
Symmetric choice reduction at 0 with 2977 rule applications. Total rules 2977 place count 1234 transition count 5223
Iterating global reduction 0 with 2977 rules applied. Total rules applied 5954 place count 1234 transition count 5223
Ensure Unique test removed 2878 transitions
Reduce isomorphic transitions removed 2878 transitions.
Iterating post reduction 0 with 2878 rules applied. Total rules applied 8832 place count 1234 transition count 2345
Discarding 1085 places :
Symmetric choice reduction at 1 with 1085 rule applications. Total rules 9917 place count 149 transition count 1260
Iterating global reduction 1 with 1085 rules applied. Total rules applied 11002 place count 149 transition count 1260
Discarding 64 places :
Symmetric choice reduction at 1 with 64 rule applications. Total rules 11066 place count 85 transition count 556
Iterating global reduction 1 with 64 rules applied. Total rules applied 11130 place count 85 transition count 556
Ensure Unique test removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 1 with 64 rules applied. Total rules applied 11194 place count 85 transition count 492
Applied a total of 11194 rules in 321 ms. Remains 85 /4211 variables (removed 4126) and now considering 492/8200 (removed 7708) transitions.
// Phase 1: matrix 492 rows 85 cols
[2025-06-03 13:59:31] [INFO ] Computed 11 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:31] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-03 13:59:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:31] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 143 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 85/4441 places, 492/8200 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 34551 ms. Remains : 85/4441 places, 492/8200 transitions.
Support contains 47 out of 85 places after structural reductions.
[2025-06-03 13:59:31] [INFO ] Flatten gal took : 59 ms
[2025-06-03 13:59:31] [INFO ] Flatten gal took : 30 ms
[2025-06-03 13:59:32] [INFO ] Input system was already deterministic with 492 transitions.
Reduction of identical properties reduced properties to check from 40 to 39
RANDOM walk for 40000 steps (8 resets) in 1570 ms. (25 steps per ms) remains 1/39 properties
BEST_FIRST walk for 40004 steps (8 resets) in 183 ms. (217 steps per ms) remains 1/1 properties
[2025-06-03 13:59:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp39 is UNSAT
After SMT solving in domain Real declared 75/577 variables, and 1 constraints, problems are : Problem set: 1 solved, 0 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/11 constraints, State Equation: 0/85 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 71ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA ServersAndClients-PT-100040-LTLFireability-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 12 simplifications.
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X((X(G(p0)) U X(X(p1))))) U X(p2))))'
Support contains 5 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 53 transition count 370
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 53 transition count 370
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 92 place count 53 transition count 342
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 114 place count 31 transition count 100
Iterating global reduction 1 with 22 rules applied. Total rules applied 136 place count 31 transition count 100
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 158 place count 31 transition count 78
Applied a total of 158 rules in 5 ms. Remains 31 /85 variables (removed 54) and now considering 78/492 (removed 414) transitions.
// Phase 1: matrix 78 rows 31 cols
[2025-06-03 13:59:33] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:33] [INFO ] Implicit Places using invariants in 39 ms returned [7, 10, 13, 18, 20, 23, 25, 27, 29]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 40 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/85 places, 78/492 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 13 transition count 69
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 13 transition count 69
Ensure Unique test removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 63 place count 13 transition count 24
Applied a total of 63 rules in 1 ms. Remains 13 /22 variables (removed 9) and now considering 24/78 (removed 54) transitions.
// Phase 1: matrix 24 rows 13 cols
[2025-06-03 13:59:33] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:33] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-03 13:59:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:33] [INFO ] Implicit Places using invariants and state equation in 28 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 : 13/85 places, 24/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 92 ms. Remains : 13/85 places, 24/492 transitions.
Stuttering acceptance computed with spot in 442 ms :[(NOT p2), (NOT p2), (OR (NOT p2) (NOT p1)), (NOT p1), (NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-02
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 2 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-02 finished in 708 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0||X(X((X(p1)||(p2&&X(p3)))))))))'
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 52 transition count 359
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 52 transition count 359
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 95 place count 52 transition count 330
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 117 place count 30 transition count 88
Iterating global reduction 1 with 22 rules applied. Total rules applied 139 place count 30 transition count 88
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 161 place count 30 transition count 66
Applied a total of 161 rules in 7 ms. Remains 30 /85 variables (removed 55) and now considering 66/492 (removed 426) transitions.
// Phase 1: matrix 66 rows 30 cols
[2025-06-03 13:59:33] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:33] [INFO ] Implicit Places using invariants in 41 ms returned [6, 9, 12, 14, 17, 19, 21, 23, 25, 28]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 42 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/85 places, 66/492 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 10 transition count 56
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 10 transition count 56
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 0 with 40 rules applied. Total rules applied 60 place count 10 transition count 16
Applied a total of 60 rules in 1 ms. Remains 10 /20 variables (removed 10) and now considering 16/66 (removed 50) transitions.
// Phase 1: matrix 16 rows 10 cols
[2025-06-03 13:59:33] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:33] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-03 13:59:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:34] [INFO ] Implicit Places using invariants and state equation in 29 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 : 10/85 places, 16/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 96 ms. Remains : 10/85 places, 16/492 transitions.
Stuttering acceptance computed with spot in 274 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-03
Product exploration explored 100000 steps with 1470 reset in 174 ms.
Product exploration explored 100000 steps with 1525 reset in 83 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1) p3), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 139 ms. Reduced automaton from 7 states, 9 edges and 4 AP (stutter sensitive) to 7 states, 9 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 290 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
RANDOM walk for 148 steps (0 resets) in 4 ms. (29 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND p0 p2 (NOT p1) p3), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p2)), (F (NOT p0)), (F (NOT p3)), (F (NOT (OR p1 p3))), (F p1)]
Knowledge based reduction with 2 factoid took 295 ms. Reduced automaton from 7 states, 9 edges and 4 AP (stutter sensitive) to 7 states, 9 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 294 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
Stuttering acceptance computed with spot in 301 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 10/10 places, 16/16 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 16/16 (removed 0) transitions.
[2025-06-03 13:59:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:35] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-03 13:59:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:35] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Running 12 sub problems to find dead transitions.
[2025-06-03 13:59:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 16/26 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 0/26 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 26/26 variables, and 11 constraints, problems are : Problem set: 0 solved, 12 unsolved in 159 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/9 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 1/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 16/26 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/26 variables, 12/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/26 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (OVERLAPS) 0/26 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 26/26 variables, and 23 constraints, problems are : Problem set: 0 solved, 12 unsolved in 117 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 281ms problems are : Problem set: 0 solved, 12 unsolved
Search for dead transitions found 0 dead transitions in 282ms
Finished structural reductions in LTL mode , in 1 iterations and 334 ms. Remains : 10/10 places, 16/16 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 p2 (NOT p1) p3), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 147 ms. Reduced automaton from 7 states, 9 edges and 4 AP (stutter sensitive) to 7 states, 9 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 277 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
RANDOM walk for 232 steps (0 resets) in 8 ms. (25 steps per ms) remains 0/5 properties
Knowledge obtained : [(AND p0 p2 (NOT p1) p3), (X p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F (NOT p2)), (F (NOT p0)), (F (NOT p3)), (F (NOT (OR p1 p3))), (F p1)]
Knowledge based reduction with 2 factoid took 328 ms. Reduced automaton from 7 states, 9 edges and 4 AP (stutter sensitive) to 7 states, 9 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 299 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
Stuttering acceptance computed with spot in 292 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
Stuttering acceptance computed with spot in 285 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
Product exploration explored 100000 steps with 1543 reset in 48 ms.
Product exploration explored 100000 steps with 1511 reset in 135 ms.
Applying partial POR strategy [false, false, false, false, true, true, true]
Stuttering acceptance computed with spot in 225 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p1) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p1) (NOT p3))), (NOT p1), (AND (NOT p1) (NOT p3)), true]
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 10/10 places, 16/16 transitions.
Graph (trivial) has 10 edges and 10 vertex of which 7 / 10 are part of one of the 1 SCC in 2 ms
Free SCC test removed 6 places
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Applied a total of 1 rules in 7 ms. Remains 4 /10 variables (removed 6) and now considering 7/16 (removed 9) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:59:38] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
// Phase 1: matrix 7 rows 4 cols
[2025-06-03 13:59:38] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 0/10 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 10/11 variables, and 5 constraints, problems are : Problem set: 0 solved, 3 unsolved in 33 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 1/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 6/10 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/10 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 10/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 3 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 4/4 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 73ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 73ms
Starting structural reductions in SI_LTL mode, iteration 1 : 4/10 places, 7/16 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 86 ms. Remains : 4/10 places, 7/16 transitions.
Built C files in :
/tmp/ltsmin8924162822544832552
[2025-06-03 13:59:38] [INFO ] Built C files in 6ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin8924162822544832552
Running compilation step : cd /tmp/ltsmin8924162822544832552;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 283 ms.
Running link step : cd /tmp/ltsmin8924162822544832552;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 50 ms.
Running LTSmin : cd /tmp/ltsmin8924162822544832552;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased5566599371038284692.hoa' '--buchi-type=spotba'
LTSmin run took 128 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-03 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property ServersAndClients-PT-100040-LTLFireability-03 finished in 5195 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((!p0&&X((p1||X(X(p2)))))||G((p1||X(X(p2)))))))'
Support contains 5 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 53 transition count 370
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 53 transition count 370
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 94 place count 53 transition count 340
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 116 place count 31 transition count 98
Iterating global reduction 1 with 22 rules applied. Total rules applied 138 place count 31 transition count 98
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 160 place count 31 transition count 76
Applied a total of 160 rules in 7 ms. Remains 31 /85 variables (removed 54) and now considering 76/492 (removed 416) transitions.
// Phase 1: matrix 76 rows 31 cols
[2025-06-03 13:59:39] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:39] [INFO ] Implicit Places using invariants in 39 ms returned [10, 12, 14, 17, 19, 23, 25, 27, 29]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 39 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/85 places, 76/492 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 13 transition count 67
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 13 transition count 67
Ensure Unique test removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 0 with 43 rules applied. Total rules applied 61 place count 13 transition count 24
Applied a total of 61 rules in 1 ms. Remains 13 /22 variables (removed 9) and now considering 24/76 (removed 52) transitions.
// Phase 1: matrix 24 rows 13 cols
[2025-06-03 13:59:39] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:39] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:39] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 13/85 places, 24/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 90 ms. Remains : 13/85 places, 24/492 transitions.
Stuttering acceptance computed with spot in 799 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 130 ms.
Product exploration explored 100000 steps with 50000 reset in 102 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1 p2), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (AND p0 (NOT p2))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p0 (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(X p0), (X (NOT p0)), (X (X p2)), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 124 ms. Reduced automaton from 16 states, 48 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-100040-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-100040-LTLFireability-04 finished in 1275 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0) U p1)))'
Support contains 2 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 51 transition count 358
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 51 transition count 358
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 98 place count 51 transition count 328
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 121 place count 28 transition count 75
Iterating global reduction 1 with 23 rules applied. Total rules applied 144 place count 28 transition count 75
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 167 place count 28 transition count 52
Applied a total of 167 rules in 5 ms. Remains 28 /85 variables (removed 57) and now considering 52/492 (removed 440) transitions.
// Phase 1: matrix 52 rows 28 cols
[2025-06-03 13:59:40] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants in 32 ms returned [5, 8, 12, 14, 16, 18, 20, 22, 24, 26]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 33 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/85 places, 52/492 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 8 transition count 42
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 8 transition count 42
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 50 place count 8 transition count 12
Applied a total of 50 rules in 1 ms. Remains 8 /18 variables (removed 10) and now considering 12/52 (removed 40) transitions.
// Phase 1: matrix 12 rows 8 cols
[2025-06-03 13:59:40] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-03 13:59:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants and state equation in 22 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 : 8/85 places, 12/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 78 ms. Remains : 8/85 places, 12/492 transitions.
Stuttering acceptance computed with spot in 121 ms :[(NOT p1), (NOT p1), true, (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-06
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-06 finished in 211 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F((p0||G(p1)))))'
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Graph (trivial) has 114 edges and 85 vertex of which 59 / 85 are part of one of the 1 SCC in 1 ms
Free SCC test removed 58 places
Ensure Unique test removed 449 transitions
Reduce isomorphic transitions removed 449 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 27 transition count 39
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 10 place count 23 transition count 38
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 27 rules applied. Total rules applied 37 place count 5 transition count 29
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 2 with 21 rules applied. Total rules applied 58 place count 5 transition count 8
Applied a total of 58 rules in 13 ms. Remains 5 /85 variables (removed 80) and now considering 8/492 (removed 484) transitions.
// Phase 1: matrix 8 rows 5 cols
[2025-06-03 13:59:40] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-03 13:59:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:59:40] [INFO ] Redundant transitions in 1 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-03 13:59:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 7/12 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 0/12 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 12/13 variables, and 7 constraints, problems are : Problem set: 0 solved, 4 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 1/5 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/5 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 7/12 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/12 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/12 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/12 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 12/13 variables, and 11 constraints, problems are : Problem set: 0 solved, 4 unsolved in 52 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 5/5 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 104ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 104ms
Starting structural reductions in SI_LTL mode, iteration 1 : 5/85 places, 8/492 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 161 ms. Remains : 5/85 places, 8/492 transitions.
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-07 finished in 251 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((F(p0)&&X(X(X(p1))))) U X(!p1)))'
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 51 transition count 368
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 51 transition count 368
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 98 place count 51 transition count 338
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 122 place count 27 transition count 74
Iterating global reduction 1 with 24 rules applied. Total rules applied 146 place count 27 transition count 74
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 170 place count 27 transition count 50
Applied a total of 170 rules in 7 ms. Remains 27 /85 variables (removed 58) and now considering 50/492 (removed 442) transitions.
// Phase 1: matrix 50 rows 27 cols
[2025-06-03 13:59:40] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants in 37 ms returned [5, 9, 11, 13, 15, 17, 21, 23, 25]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 38 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/85 places, 50/492 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 9 transition count 41
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 9 transition count 41
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 45 place count 9 transition count 14
Applied a total of 45 rules in 0 ms. Remains 9 /18 variables (removed 9) and now considering 14/50 (removed 36) transitions.
// Phase 1: matrix 14 rows 9 cols
[2025-06-03 13:59:40] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:40] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 38 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 9/85 places, 14/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 84 ms. Remains : 9/85 places, 14/492 transitions.
Stuttering acceptance computed with spot in 414 ms :[p1, (AND (NOT p0) p1), p1, (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-08
Product exploration explored 100000 steps with 11994 reset in 118 ms.
Stack based approach found an accepted trace after 18 steps with 2 reset with depth 7 and stack size 7 in 0 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-08 finished in 639 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(((X(X(p1)) U (!p1||X(F(p2))))&&p0)))'
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 51 transition count 368
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 51 transition count 368
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 98 place count 51 transition count 338
Discarding 24 places :
Symmetric choice reduction at 1 with 24 rule applications. Total rules 122 place count 27 transition count 74
Iterating global reduction 1 with 24 rules applied. Total rules applied 146 place count 27 transition count 74
Ensure Unique test removed 24 transitions
Reduce isomorphic transitions removed 24 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 170 place count 27 transition count 50
Applied a total of 170 rules in 3 ms. Remains 27 /85 variables (removed 58) and now considering 50/492 (removed 442) transitions.
// Phase 1: matrix 50 rows 27 cols
[2025-06-03 13:59:41] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:41] [INFO ] Implicit Places using invariants in 41 ms returned [5, 10, 12, 14, 16, 18, 20, 22, 25]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 42 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/85 places, 50/492 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 9 transition count 41
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 9 transition count 41
Ensure Unique test removed 27 transitions
Reduce isomorphic transitions removed 27 transitions.
Iterating post reduction 0 with 27 rules applied. Total rules applied 45 place count 9 transition count 14
Applied a total of 45 rules in 0 ms. Remains 9 /18 variables (removed 9) and now considering 14/50 (removed 36) transitions.
// Phase 1: matrix 14 rows 9 cols
[2025-06-03 13:59:41] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:41] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:41] [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 : 9/85 places, 14/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 84 ms. Remains : 9/85 places, 14/492 transitions.
Stuttering acceptance computed with spot in 158 ms :[(OR (NOT p0) (AND p1 (NOT p2))), (AND (NOT p0) (NOT p1) (NOT p2)), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2))), (OR (AND (NOT p0) (NOT p2)) (AND p1 (NOT p2)))]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-09
Product exploration explored 100000 steps with 9942 reset in 140 ms.
Stack based approach found an accepted trace after 3 steps with 0 reset with depth 4 and stack size 4 in 0 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-09 finished in 408 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&((X(X(X(X(!p0))))&&F(p1))||X(X(X(X(G(!p0))))))))'
Support contains 2 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 51 transition count 358
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 51 transition count 358
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 98 place count 51 transition count 328
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 121 place count 28 transition count 75
Iterating global reduction 1 with 23 rules applied. Total rules applied 144 place count 28 transition count 75
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 167 place count 28 transition count 52
Applied a total of 167 rules in 5 ms. Remains 28 /85 variables (removed 57) and now considering 52/492 (removed 440) transitions.
// Phase 1: matrix 52 rows 28 cols
[2025-06-03 13:59:41] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:41] [INFO ] Implicit Places using invariants in 37 ms returned [5, 8, 11, 13, 15, 17, 20, 22, 24, 26]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 38 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 18/85 places, 52/492 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 8 transition count 42
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 8 transition count 42
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 50 place count 8 transition count 12
Applied a total of 50 rules in 0 ms. Remains 8 /18 variables (removed 10) and now considering 12/52 (removed 40) transitions.
// Phase 1: matrix 12 rows 8 cols
[2025-06-03 13:59:41] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:41] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-03 13:59:41] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:41] [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 : 8/85 places, 12/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 80 ms. Remains : 8/85 places, 12/492 transitions.
Stuttering acceptance computed with spot in 331 ms :[true, true, (AND (NOT p1) p0), true, p0, (AND (NOT p1) p0), p0, (AND (NOT p1) p0), p0, (AND (NOT p1) p0), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-10
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-10 finished in 434 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X((p1||X(X(p2))))||p0))))'
Support contains 5 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 34 places :
Symmetric choice reduction at 0 with 34 rule applications. Total rules 34 place count 51 transition count 368
Iterating global reduction 0 with 34 rules applied. Total rules applied 68 place count 51 transition count 368
Ensure Unique test removed 30 transitions
Reduce isomorphic transitions removed 30 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 98 place count 51 transition count 338
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 121 place count 28 transition count 85
Iterating global reduction 1 with 23 rules applied. Total rules applied 144 place count 28 transition count 85
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 167 place count 28 transition count 62
Applied a total of 167 rules in 4 ms. Remains 28 /85 variables (removed 57) and now considering 62/492 (removed 430) transitions.
// Phase 1: matrix 62 rows 28 cols
[2025-06-03 13:59:42] [INFO ] Computed 11 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:42] [INFO ] Implicit Places using invariants in 36 ms returned [6, 9, 14, 16, 18, 20, 22, 24]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 37 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/85 places, 62/492 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 12 transition count 54
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 12 transition count 54
Ensure Unique test removed 32 transitions
Reduce isomorphic transitions removed 32 transitions.
Iterating post reduction 0 with 32 rules applied. Total rules applied 48 place count 12 transition count 22
Applied a total of 48 rules in 1 ms. Remains 12 /20 variables (removed 8) and now considering 22/62 (removed 40) transitions.
// Phase 1: matrix 22 rows 12 cols
[2025-06-03 13:59:42] [INFO ] Computed 3 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:42] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:42] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 12/85 places, 22/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 82 ms. Remains : 12/85 places, 22/492 transitions.
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-12
Product exploration explored 100000 steps with 44370 reset in 117 ms.
Product exploration explored 100000 steps with 44381 reset in 140 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 27 ms. Reduced automaton from 5 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-100040-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-100040-LTLFireability-12 finished in 545 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&(X(p2)||F(p3)||p1))))'
Support contains 4 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 52 transition count 369
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 52 transition count 369
Ensure Unique test removed 31 transitions
Reduce isomorphic transitions removed 31 transitions.
Iterating post reduction 0 with 31 rules applied. Total rules applied 97 place count 52 transition count 338
Discarding 23 places :
Symmetric choice reduction at 1 with 23 rule applications. Total rules 120 place count 29 transition count 85
Iterating global reduction 1 with 23 rules applied. Total rules applied 143 place count 29 transition count 85
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 166 place count 29 transition count 62
Applied a total of 166 rules in 6 ms. Remains 29 /85 variables (removed 56) and now considering 62/492 (removed 430) transitions.
// Phase 1: matrix 62 rows 29 cols
[2025-06-03 13:59:42] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:42] [INFO ] Implicit Places using invariants in 33 ms returned [6, 9, 11, 13, 19, 21, 23, 25, 27]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 34 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/85 places, 62/492 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 11 transition count 53
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 11 transition count 53
Ensure Unique test removed 36 transitions
Reduce isomorphic transitions removed 36 transitions.
Iterating post reduction 0 with 36 rules applied. Total rules applied 54 place count 11 transition count 17
Applied a total of 54 rules in 0 ms. Remains 11 /20 variables (removed 9) and now considering 17/62 (removed 45) transitions.
// Phase 1: matrix 17 rows 11 cols
[2025-06-03 13:59:42] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:42] [INFO ] Implicit Places using invariants in 16 ms returned []
[2025-06-03 13:59:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:42] [INFO ] Implicit Places using invariants and state equation in 25 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 : 11/85 places, 17/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 83 ms. Remains : 11/85 places, 17/492 transitions.
Stuttering acceptance computed with spot in 208 ms :[(NOT p3), (OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3))), (AND (NOT p3) (NOT p2)), true, (OR (NOT p0) (AND (NOT p1) (NOT p2) (NOT p3)))]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-13
Product exploration explored 100000 steps with 10145 reset in 52 ms.
Stack based approach found an accepted trace after 12 steps with 3 reset with depth 7 and stack size 7 in 0 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-13 finished in 356 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(p0)||(p0&&F((p1||(!p2&&X(p3)))))))))'
Support contains 5 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 32 places :
Symmetric choice reduction at 0 with 32 rule applications. Total rules 32 place count 53 transition count 370
Iterating global reduction 0 with 32 rules applied. Total rules applied 64 place count 53 transition count 370
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 92 place count 53 transition count 342
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 114 place count 31 transition count 100
Iterating global reduction 1 with 22 rules applied. Total rules applied 136 place count 31 transition count 100
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 158 place count 31 transition count 78
Applied a total of 158 rules in 2 ms. Remains 31 /85 variables (removed 54) and now considering 78/492 (removed 414) transitions.
// Phase 1: matrix 78 rows 31 cols
[2025-06-03 13:59:43] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:43] [INFO ] Implicit Places using invariants in 36 ms returned [7, 10, 12, 14, 17, 20, 23, 27, 29]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 37 ms to find 9 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/85 places, 78/492 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 13 transition count 69
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 13 transition count 69
Ensure Unique test removed 45 transitions
Reduce isomorphic transitions removed 45 transitions.
Iterating post reduction 0 with 45 rules applied. Total rules applied 63 place count 13 transition count 24
Applied a total of 63 rules in 1 ms. Remains 13 /22 variables (removed 9) and now considering 24/78 (removed 54) transitions.
// Phase 1: matrix 24 rows 13 cols
[2025-06-03 13:59:43] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:43] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:43] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 13/85 places, 24/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 80 ms. Remains : 13/85 places, 24/492 transitions.
Stuttering acceptance computed with spot in 338 ms :[true, (OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) p2)), (AND (NOT p1) (NOT p3)), (NOT p0), (AND (NOT p0) (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) p2)), (NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-14
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-100040-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-100040-LTLFireability-14 finished in 439 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G(p1)||X(p2))))'
Support contains 3 out of 85 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 85/85 places, 492/492 transitions.
Discarding 33 places :
Symmetric choice reduction at 0 with 33 rule applications. Total rules 33 place count 52 transition count 359
Iterating global reduction 0 with 33 rules applied. Total rules applied 66 place count 52 transition count 359
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 95 place count 52 transition count 330
Discarding 22 places :
Symmetric choice reduction at 1 with 22 rule applications. Total rules 117 place count 30 transition count 88
Iterating global reduction 1 with 22 rules applied. Total rules applied 139 place count 30 transition count 88
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 161 place count 30 transition count 66
Applied a total of 161 rules in 3 ms. Remains 30 /85 variables (removed 55) and now considering 66/492 (removed 426) transitions.
// Phase 1: matrix 66 rows 30 cols
[2025-06-03 13:59:43] [INFO ] Computed 11 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:43] [INFO ] Implicit Places using invariants in 42 ms returned [6, 9, 11, 13, 15, 17, 20, 22, 26, 28]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 43 ms to find 10 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/85 places, 66/492 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 10 transition count 56
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 10 transition count 56
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 0 with 40 rules applied. Total rules applied 60 place count 10 transition count 16
Applied a total of 60 rules in 0 ms. Remains 10 /20 variables (removed 10) and now considering 16/66 (removed 50) transitions.
// Phase 1: matrix 16 rows 10 cols
[2025-06-03 13:59:43] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:43] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 13:59:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:59:43] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 10/85 places, 16/492 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 91 ms. Remains : 10/85 places, 16/492 transitions.
Stuttering acceptance computed with spot in 221 ms :[true, (NOT p2), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : ServersAndClients-PT-100040-LTLFireability-15
Product exploration explored 100000 steps with 50000 reset in 39 ms.
Product exploration explored 100000 steps with 50000 reset in 43 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) p0 (NOT p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT p1))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p2))), (X (X p2)), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 14 ms. Reduced automaton from 6 states, 9 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-100040-LTLFireability-15 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-100040-LTLFireability-15 finished in 428 ms.
All properties solved by simple procedures.
Total runtime 47597 ms.

BK_STOP 1748959184195

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="LTLFireability"
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 LTLFireability"
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-174894531900012"
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 [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;