Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r198-tall-174894531900003.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-100020, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894531900003
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 4.6M
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 76K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K 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 15K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 143K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K 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 4.1M 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-100020-LTLCardinality-00
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-01
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-02
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-03
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-04
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-05
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-06
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-07
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-08
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-09
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-10
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-11
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-12
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-13
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-14
FORMULA_NAME ServersAndClients-PT-100020-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1748959096893

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ServersAndClients-PT-100020
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-03 13:58:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 13:58:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 13:58:18] [INFO ] Load time of PNML (sax parser for PT used): 274 ms
[2025-06-03 13:58:18] [INFO ] Transformed 2421 places.
[2025-06-03 13:58:18] [INFO ] Transformed 4200 transitions.
[2025-06-03 13:58:18] [INFO ] Found NUPN structural information;
[2025-06-03 13:58:18] [INFO ] Parsed PT model containing 2421 places and 4200 transitions and 12800 arcs in 404 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA ServersAndClients-PT-100020-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100020-LTLCardinality-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100020-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100020-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100020-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ServersAndClients-PT-100020-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 40 out of 2421 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2421/2421 places, 4200/4200 transitions.
Applied a total of 0 rules in 441 ms. Remains 2421 /2421 variables (removed 0) and now considering 4200/4200 (removed 0) transitions.
// Phase 1: matrix 4200 rows 2421 cols
[2025-06-03 13:58:19] [INFO ] Computed 221 invariants in 99 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:47] [INFO ] Implicit Places using invariants in 28548 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, 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, 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, 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, 1916, 2017, 2118, 2219, 2320]
Discarding 216 places :
Implicit Place search using SMT only with invariants took 28602 ms to find 216 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 2205/2421 places, 4200/4200 transitions.
Discarding 1863 places :
Symmetric choice reduction at 0 with 1863 rule applications. Total rules 1863 place count 342 transition count 2337
Iterating global reduction 0 with 1863 rules applied. Total rules applied 3726 place count 342 transition count 2337
Ensure Unique test removed 1770 transitions
Reduce isomorphic transitions removed 1770 transitions.
Iterating post reduction 0 with 1770 rules applied. Total rules applied 5496 place count 342 transition count 567
Discarding 184 places :
Symmetric choice reduction at 1 with 184 rule applications. Total rules 5680 place count 158 transition count 383
Iterating global reduction 1 with 184 rules applied. Total rules applied 5864 place count 158 transition count 383
Discarding 66 places :
Symmetric choice reduction at 1 with 66 rule applications. Total rules 5930 place count 92 transition count 251
Iterating global reduction 1 with 66 rules applied. Total rules applied 5996 place count 92 transition count 251
Ensure Unique test removed 66 transitions
Reduce isomorphic transitions removed 66 transitions.
Iterating post reduction 1 with 66 rules applied. Total rules applied 6062 place count 92 transition count 185
Applied a total of 6062 rules in 198 ms. Remains 92 /2205 variables (removed 2113) and now considering 185/4200 (removed 4015) transitions.
// Phase 1: matrix 185 rows 92 cols
[2025-06-03 13:58:47] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:47] [INFO ] Implicit Places using invariants in 51 ms returned []
[2025-06-03 13:58:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:48] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 115 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 92/2421 places, 185/4200 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 29372 ms. Remains : 92/2421 places, 185/4200 transitions.
Support contains 40 out of 92 places after structural reductions.
[2025-06-03 13:58:48] [INFO ] Flatten gal took : 30 ms
[2025-06-03 13:58:48] [INFO ] Flatten gal took : 21 ms
[2025-06-03 13:58:48] [INFO ] Input system was already deterministic with 185 transitions.
RANDOM walk for 40000 steps (8 resets) in 967 ms. (41 steps per ms) remains 1/24 properties
BEST_FIRST walk for 40003 steps (8 resets) in 166 ms. (239 steps per ms) remains 1/1 properties
[2025-06-03 13:58:48] [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 AtomicPropp19 is UNSAT
After SMT solving in domain Real declared 90/277 variables, and 3 constraints, problems are : Problem set: 1 solved, 0 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 3/4 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/92 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 114ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA ServersAndClients-PT-100020-LTLCardinality-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ServersAndClients-PT-100020-LTLCardinality-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 8 simplifications.
Initial state reduction rules removed 1 formulas.
FORMULA ServersAndClients-PT-100020-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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' '!(X(F(((X((X(p0)&&F(p1)))&&G(!p2))||G((X(p0)&&F(p1)))))))'
Support contains 5 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 185/185 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 62 transition count 155
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 62 transition count 155
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 0 with 25 rules applied. Total rules applied 85 place count 62 transition count 130
Discarding 28 places :
Symmetric choice reduction at 1 with 28 rule applications. Total rules 113 place count 34 transition count 80
Iterating global reduction 1 with 28 rules applied. Total rules applied 141 place count 34 transition count 80
Ensure Unique test removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 1 with 22 rules applied. Total rules applied 163 place count 34 transition count 58
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 166 place count 31 transition count 52
Iterating global reduction 2 with 3 rules applied. Total rules applied 169 place count 31 transition count 52
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 172 place count 31 transition count 49
Applied a total of 172 rules in 3 ms. Remains 31 /92 variables (removed 61) and now considering 49/185 (removed 136) transitions.
// Phase 1: matrix 49 rows 31 cols
[2025-06-03 13:58:49] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:49] [INFO ] Implicit Places using invariants in 25 ms returned [0, 1, 2, 26]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 27 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 27/92 places, 49/185 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 20 transition count 42
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 20 transition count 42
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 23 place count 20 transition count 33
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 17 transition count 30
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 17 transition count 30
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 32 place count 14 transition count 27
Iterating global reduction 1 with 3 rules applied. Total rules applied 35 place count 14 transition count 27
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 38 place count 14 transition count 24
Applied a total of 38 rules in 1 ms. Remains 14 /27 variables (removed 13) and now considering 24/49 (removed 25) transitions.
// Phase 1: matrix 24 rows 14 cols
[2025-06-03 13:58:49] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:49] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 13:58:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:49] [INFO ] Implicit Places using invariants and state equation in 24 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 : 14/92 places, 24/185 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 76 ms. Remains : 14/92 places, 24/185 transitions.
Stuttering acceptance computed with spot in 860 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1)), (NOT p1), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (AND (NOT p1) p2), (NOT p0), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (AND (NOT p0) p2), (NOT p0), (AND (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ServersAndClients-PT-100020-LTLCardinality-00
Product exploration explored 100000 steps with 55 reset in 229 ms.
Stack based approach found an accepted trace after 77 steps with 0 reset with depth 78 and stack size 18 in 0 ms.
FORMULA ServersAndClients-PT-100020-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-100020-LTLCardinality-00 finished in 1226 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(G(p0)))'
Support contains 2 out of 92 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 92/92 places, 185/185 transitions.
Graph (trivial) has 134 edges and 92 vertex of which 69 / 92 are part of one of the 1 SCC in 1 ms
Free SCC test removed 68 places
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 24 transition count 21
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Graph (trivial) has 6 edges and 10 vertex of which 3 / 10 are part of one of the 1 SCC in 0 ms
Free SCC test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 26 rules applied. Total rules applied 39 place count 8 transition count 10
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 46 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 46 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 3 transition count 5
Applied a total of 49 rules in 16 ms. Remains 3 /92 variables (removed 89) and now considering 5/185 (removed 180) transitions.
// Phase 1: matrix 5 rows 3 cols
[2025-06-03 13:58:50] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:50] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 13:58:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:50] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 35 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:58:50] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-03 13:58:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 96ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 96ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/92 places, 5/185 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 154 ms. Remains : 3/92 places, 5/185 transitions.
Stuttering acceptance computed with spot in 29 ms :[(NOT p0)]
Running random walk in product with property : ServersAndClients-PT-100020-LTLCardinality-01
Product exploration explored 100000 steps with 0 reset in 113 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 3 in 0 ms.
FORMULA ServersAndClients-PT-100020-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property ServersAndClients-PT-100020-LTLCardinality-01 finished in 310 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&&F((p1&&F(p2)))))&&X(p3)))'
Support contains 8 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 185/185 transitions.
Discarding 27 places :
Symmetric choice reduction at 0 with 27 rule applications. Total rules 27 place count 65 transition count 158
Iterating global reduction 0 with 27 rules applied. Total rules applied 54 place count 65 transition count 158
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 0 with 23 rules applied. Total rules applied 77 place count 65 transition count 135
Discarding 25 places :
Symmetric choice reduction at 1 with 25 rule applications. Total rules 102 place count 40 transition count 91
Iterating global reduction 1 with 25 rules applied. Total rules applied 127 place count 40 transition count 91
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 146 place count 40 transition count 72
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 149 place count 37 transition count 66
Iterating global reduction 2 with 3 rules applied. Total rules applied 152 place count 37 transition count 66
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 155 place count 37 transition count 63
Applied a total of 155 rules in 3 ms. Remains 37 /92 variables (removed 55) and now considering 63/185 (removed 122) transitions.
// Phase 1: matrix 63 rows 37 cols
[2025-06-03 13:58:50] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:50] [INFO ] Implicit Places using invariants in 26 ms returned [0, 1, 2, 30]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 27 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 33/92 places, 63/185 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 26 transition count 56
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 26 transition count 56
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 26 transition count 45
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 28 place count 23 transition count 42
Iterating global reduction 1 with 3 rules applied. Total rules applied 31 place count 23 transition count 42
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 34 place count 20 transition count 39
Iterating global reduction 1 with 3 rules applied. Total rules applied 37 place count 20 transition count 39
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 20 transition count 36
Applied a total of 40 rules in 1 ms. Remains 20 /33 variables (removed 13) and now considering 36/63 (removed 27) transitions.
// Phase 1: matrix 36 rows 20 cols
[2025-06-03 13:58:50] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:50] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-03 13:58:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:51] [INFO ] Implicit Places using invariants and state equation in 301 ms returned []
Implicit Place search using SMT with State Equation took 320 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 20/92 places, 36/185 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 351 ms. Remains : 20/92 places, 36/185 transitions.
Stuttering acceptance computed with spot in 231 ms :[(OR (NOT p2) (NOT p0) (NOT p1) (NOT p3)), (OR (NOT p2) (NOT p1) (NOT p0)), (NOT p3), (OR (NOT p1) (NOT p2)), (NOT p2), true]
Running random walk in product with property : ServersAndClients-PT-100020-LTLCardinality-06
Product exploration explored 100000 steps with 50000 reset in 97 ms.
Product exploration explored 100000 steps with 50000 reset in 100 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 p1 p2 p3), (X p2), (X p3), (X (NOT (AND p1 (NOT p2)))), (X p0), (X (NOT (AND p0 p1 (NOT p2)))), (X (NOT (AND p0 (NOT p1)))), (X p1)]
False Knowledge obtained : [(X (X p2)), (X (X (NOT p2))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 (NOT p2))))), (X (X (NOT p0))), (X (X p0)), (X (X (AND p0 p1 (NOT p2)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 20 ms. Reduced automaton from 6 states, 12 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-100020-LTLCardinality-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-100020-LTLCardinality-06 finished in 829 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 U p1) U X((!X(p2) U p1)))))'
Support contains 5 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 185/185 transitions.
Discarding 30 places :
Symmetric choice reduction at 0 with 30 rule applications. Total rules 30 place count 62 transition count 155
Iterating global reduction 0 with 30 rules applied. Total rules applied 60 place count 62 transition count 155
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 86 place count 62 transition count 129
Discarding 29 places :
Symmetric choice reduction at 1 with 29 rule applications. Total rules 115 place count 33 transition count 77
Iterating global reduction 1 with 29 rules applied. Total rules applied 144 place count 33 transition count 77
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 33 transition count 54
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 170 place count 30 transition count 48
Iterating global reduction 2 with 3 rules applied. Total rules applied 173 place count 30 transition count 48
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 176 place count 30 transition count 45
Applied a total of 176 rules in 5 ms. Remains 30 /92 variables (removed 62) and now considering 45/185 (removed 140) transitions.
// Phase 1: matrix 45 rows 30 cols
[2025-06-03 13:58:51] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:51] [INFO ] Implicit Places using invariants in 27 ms returned [0, 1, 2, 22]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 28 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 26/92 places, 45/185 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 19 transition count 38
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 19 transition count 38
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 21 place count 19 transition count 31
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 16 transition count 28
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 16 transition count 28
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 30 place count 13 transition count 25
Iterating global reduction 1 with 3 rules applied. Total rules applied 33 place count 13 transition count 25
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 36 place count 13 transition count 22
Applied a total of 36 rules in 5 ms. Remains 13 /26 variables (removed 13) and now considering 22/45 (removed 23) transitions.
// Phase 1: matrix 22 rows 13 cols
[2025-06-03 13:58:51] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:51] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-03 13:58:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:51] [INFO ] Implicit Places using invariants and state equation in 225 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 13/92 places, 22/185 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 322 ms. Remains : 13/92 places, 22/185 transitions.
Stuttering acceptance computed with spot in 233 ms :[p1, p1, p1, p1, true, (AND p1 (NOT p2)), p1]
Running random walk in product with property : ServersAndClients-PT-100020-LTLCardinality-07
Entered a terminal (fully accepting) state of product in 62 steps with 15 reset in 0 ms.
FORMULA ServersAndClients-PT-100020-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-100020-LTLCardinality-07 finished in 573 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' '!((!p0 U X(X(X(X(!p1))))))'
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 185/185 transitions.
Discarding 31 places :
Symmetric choice reduction at 0 with 31 rule applications. Total rules 31 place count 61 transition count 154
Iterating global reduction 0 with 31 rules applied. Total rules applied 62 place count 61 transition count 154
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 88 place count 61 transition count 128
Discarding 29 places :
Symmetric choice reduction at 1 with 29 rule applications. Total rules 117 place count 32 transition count 76
Iterating global reduction 1 with 29 rules applied. Total rules applied 146 place count 32 transition count 76
Ensure Unique test removed 23 transitions
Reduce isomorphic transitions removed 23 transitions.
Iterating post reduction 1 with 23 rules applied. Total rules applied 169 place count 32 transition count 53
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 172 place count 29 transition count 47
Iterating global reduction 2 with 3 rules applied. Total rules applied 175 place count 29 transition count 47
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 178 place count 29 transition count 44
Applied a total of 178 rules in 3 ms. Remains 29 /92 variables (removed 63) and now considering 44/185 (removed 141) transitions.
// Phase 1: matrix 44 rows 29 cols
[2025-06-03 13:58:52] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:52] [INFO ] Implicit Places using invariants in 86 ms returned [0, 1, 2, 23]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 88 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 25/92 places, 44/185 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 1 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 13:58:52] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:52] [INFO ] Implicit Places using invariants in 14 ms returned []
[2025-06-03 13:58:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:52] [INFO ] Implicit Places using invariants and state equation in 23 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 : 12/92 places, 20/185 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 130 ms. Remains : 12/92 places, 20/185 transitions.
Stuttering acceptance computed with spot in 552 ms :[p1, p1, p1, p1, p1, p1, p1, p1, p1, p1, p1, p1, true, p1, p1, p1]
Running random walk in product with property : ServersAndClients-PT-100020-LTLCardinality-09
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA ServersAndClients-PT-100020-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ServersAndClients-PT-100020-LTLCardinality-09 finished in 697 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)))'
Support contains 2 out of 92 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 92/92 places, 185/185 transitions.
Graph (trivial) has 134 edges and 92 vertex of which 69 / 92 are part of one of the 1 SCC in 1 ms
Free SCC test removed 68 places
Ensure Unique test removed 152 transitions
Reduce isomorphic transitions removed 152 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 12 transitions
Trivial Post-agglo rules discarded 12 transitions
Performed 12 trivial Post agglomeration. Transition count delta: 12
Iterating post reduction 0 with 12 rules applied. Total rules applied 13 place count 24 transition count 21
Reduce places removed 13 places and 0 transitions.
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Graph (trivial) has 6 edges and 10 vertex of which 3 / 10 are part of one of the 1 SCC in 1 ms
Free SCC test removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 1 with 26 rules applied. Total rules applied 39 place count 8 transition count 10
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 46 place count 5 transition count 6
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 46 place count 5 transition count 5
Deduced a syphon composed of 1 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 3 transition count 5
Applied a total of 49 rules in 3 ms. Remains 3 /92 variables (removed 89) and now considering 5/185 (removed 180) transitions.
// Phase 1: matrix 5 rows 3 cols
[2025-06-03 13:58:52] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:52] [INFO ] Implicit Places using invariants in 19 ms returned []
[2025-06-03 13:58:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:52] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:58:52] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-03 13:58:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 39 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 75ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 75ms
Starting structural reductions in SI_LTL mode, iteration 1 : 3/92 places, 5/185 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 118 ms. Remains : 3/92 places, 5/185 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-100020-LTLCardinality-10
Product exploration explored 100000 steps with 9136 reset in 55 ms.
Product exploration explored 100000 steps with 9038 reset in 59 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 : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 148 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 6 steps (0 resets) in 6 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 171 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 3 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 3/3 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 3 /3 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2025-06-03 13:58:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:53] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 13:58:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:53] [INFO ] Implicit Places using invariants and state equation in 15 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 13:58:53] [INFO ] Redundant transitions in 0 ms returned []
Running 2 sub problems to find dead transitions.
[2025-06-03 13:58:53] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 0/7 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 7/8 variables, and 4 constraints, problems are : Problem set: 0 solved, 2 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 1/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 4/7 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/7 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 0/7 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 7/8 variables, and 6 constraints, problems are : Problem set: 0 solved, 2 unsolved in 51 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 96ms problems are : Problem set: 0 solved, 2 unsolved
Search for dead transitions found 0 dead transitions in 96ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 138 ms. Remains : 3/3 places, 5/5 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 : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 1 factoid took 163 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 69 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 8 steps (0 resets) in 4 ms. (1 steps per ms) remains 0/1 properties
Knowledge obtained : [p0]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (X (NOT p0))), (X (X p0)), (F (NOT p0))]
Knowledge based reduction with 1 factoid took 197 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 71 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 9112 reset in 79 ms.
Product exploration explored 100000 steps with 9004 reset in 51 ms.
Built C files in :
/tmp/ltsmin12012521833772200172
[2025-06-03 13:58:54] [INFO ] Computing symmetric may disable matrix : 5 transitions.
[2025-06-03 13:58:54] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 13:58:54] [INFO ] Computing symmetric may enable matrix : 5 transitions.
[2025-06-03 13:58:54] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 13:58:54] [INFO ] Computing Do-Not-Accords matrix : 5 transitions.
[2025-06-03 13:58:54] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-03 13:58:54] [INFO ] Built C files in 12ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12012521833772200172
Running compilation step : cd /tmp/ltsmin12012521833772200172;'/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 277 ms.
Running link step : cd /tmp/ltsmin12012521833772200172;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 45 ms.
Running LTSmin : cd /tmp/ltsmin12012521833772200172;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased4180656495258152314.hoa' '--buchi-type=spotba'
LTSmin run took 153 ms.
FORMULA ServersAndClients-PT-100020-LTLCardinality-10 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ServersAndClients-PT-100020-LTLCardinality-10 finished in 2324 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((F(p0)&&F(G(p1)))) U (p1 U p2))))'
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 92/92 places, 185/185 transitions.
Discarding 31 places :
Symmetric choice reduction at 0 with 31 rule applications. Total rules 31 place count 61 transition count 154
Iterating global reduction 0 with 31 rules applied. Total rules applied 62 place count 61 transition count 154
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 0 with 28 rules applied. Total rules applied 90 place count 61 transition count 126
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 117 place count 34 transition count 74
Iterating global reduction 1 with 27 rules applied. Total rules applied 144 place count 34 transition count 74
Ensure Unique test removed 25 transitions
Reduce isomorphic transitions removed 25 transitions.
Iterating post reduction 1 with 25 rules applied. Total rules applied 169 place count 34 transition count 49
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 170 place count 33 transition count 47
Iterating global reduction 2 with 1 rules applied. Total rules applied 171 place count 33 transition count 47
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 172 place count 33 transition count 46
Applied a total of 172 rules in 4 ms. Remains 33 /92 variables (removed 59) and now considering 46/185 (removed 139) transitions.
// Phase 1: matrix 46 rows 33 cols
[2025-06-03 13:58:55] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:55] [INFO ] Implicit Places using invariants in 43 ms returned [0, 1, 2, 25]
Discarding 4 places :
Implicit Place search using SMT only with invariants took 44 ms to find 4 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 29/92 places, 46/185 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 20 transition count 37
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 20 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 26 place count 20 transition count 29
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 29 place count 17 transition count 26
Iterating global reduction 1 with 3 rules applied. Total rules applied 32 place count 17 transition count 26
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 35 place count 14 transition count 23
Iterating global reduction 1 with 3 rules applied. Total rules applied 38 place count 14 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 41 place count 14 transition count 20
Applied a total of 41 rules in 1 ms. Remains 14 /29 variables (removed 15) and now considering 20/46 (removed 26) transitions.
// Phase 1: matrix 20 rows 14 cols
[2025-06-03 13:58:55] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:55] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-03 13:58:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 13:58:55] [INFO ] Implicit Places using invariants and state equation in 20 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 : 14/92 places, 20/185 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 89 ms. Remains : 14/92 places, 20/185 transitions.
Stuttering acceptance computed with spot in 184 ms :[(NOT p2), (NOT p2), (NOT p0), (NOT p1), (NOT p0)]
Running random walk in product with property : ServersAndClients-PT-100020-LTLCardinality-13
Product exploration explored 100000 steps with 50000 reset in 70 ms.
Product exploration explored 100000 steps with 50000 reset in 72 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 p2 (NOT p1) (NOT p0)), (X (NOT (AND (NOT p2) (NOT p1) (NOT p0)))), (X (NOT (AND (NOT p2) (NOT p1)))), (X p2), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND (NOT p2) (NOT p1) (NOT p0))))), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p2)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 10 factoid took 16 ms. Reduced automaton from 5 states, 10 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ServersAndClients-PT-100020-LTLCardinality-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ServersAndClients-PT-100020-LTLCardinality-13 finished in 452 ms.
All properties solved by simple procedures.
Total runtime 37608 ms.

BK_STOP 1748959135739

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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 LTLCardinality -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-100020"
export BK_EXAMINATION="LTLCardinality"
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-100020, examination is LTLCardinality"
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-174894531900003"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ServersAndClients-PT-100020.tgz
mv ServersAndClients-PT-100020 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;