About the Execution of ITS-Tools for ClientsAndServers-PT-N0100P0
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 28563.00 | 0.00 | 0.00 | FFTFTFTTFFFFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r030-smll-174853814100556.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)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ClientsAndServers-PT-N0100P0, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r030-smll-174853814100556
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 5.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K 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 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 100K 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 3.8K 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 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 9.2K 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 ClientsAndServers-PT-N0100P0-LTLFireability-00
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-01
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-02
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-03
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-04
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-05
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-06
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-07
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-08
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-09
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-10
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-11
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-12
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-13
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-14
FORMULA_NAME ClientsAndServers-PT-N0100P0-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749005225125
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ClientsAndServers-PT-N0100P0
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-04 02:47:07] [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]
[2025-06-04 02:47:07] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 02:47:08] [INFO ] Load time of PNML (sax parser for PT used): 84 ms
[2025-06-04 02:47:08] [INFO ] Transformed 25 places.
[2025-06-04 02:47:08] [INFO ] Transformed 18 transitions.
[2025-06-04 02:47:08] [INFO ] Parsed PT model containing 25 places and 18 transitions and 54 arcs in 291 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 28 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 20 out of 25 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 25/25 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 23 transition count 18
Applied a total of 2 rules in 30 ms. Remains 23 /25 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 23 cols
[2025-06-04 02:47:08] [INFO ] Computed 6 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:08] [INFO ] Implicit Places using invariants in 310 ms returned []
[2025-06-04 02:47:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:09] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 503 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2025-06-04 02:47:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/23 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/41 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/41 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 41/41 variables, and 29 constraints, problems are : Problem set: 0 solved, 17 unsolved in 910 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 23/23 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/22 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/22 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/22 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 1/23 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/23 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 18/41 variables, 23/29 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/41 variables, 17/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/41 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 0/41 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 41/41 variables, and 46 constraints, problems are : Problem set: 0 solved, 17 unsolved in 912 ms.
Refiners :[Positive P Invariants (semi-flows): 5/5 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 23/23 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1862ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1879ms
Starting structural reductions in LTL mode, iteration 1 : 23/25 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 2446 ms. Remains : 23/25 places, 18/18 transitions.
Support contains 20 out of 23 places after structural reductions.
[2025-06-04 02:47:11] [INFO ] Flatten gal took : 29 ms
[2025-06-04 02:47:11] [INFO ] Flatten gal took : 10 ms
[2025-06-04 02:47:11] [INFO ] Input system was already deterministic with 18 transitions.
Support contains 19 out of 23 places (down from 20) after GAL structural reductions.
Reduction of identical properties reduced properties to check from 19 to 17
RANDOM walk for 40180 steps (8 resets) in 225 ms. (177 steps per ms) remains 4/17 properties
BEST_FIRST walk for 3605 steps (0 resets) in 46 ms. (76 steps per ms) remains 0/4 properties
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(F((p0||G(F(p0))))))'
Support contains 1 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 21 transition count 12
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 14 place count 15 transition count 12
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 14 place count 15 transition count 10
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 18 place count 13 transition count 10
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 24 place count 10 transition count 7
Applied a total of 24 rules in 32 ms. Remains 10 /23 variables (removed 13) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 10 cols
[2025-06-04 02:47:12] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:12] [INFO ] Implicit Places using invariants in 55 ms returned [7, 9]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 61 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/23 places, 7/18 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 8 transition count 5
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 6 transition count 5
Applied a total of 4 rules in 1 ms. Remains 6 /8 variables (removed 2) and now considering 5/7 (removed 2) transitions.
// Phase 1: matrix 5 rows 6 cols
[2025-06-04 02:47:12] [INFO ] Computed 2 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:12] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 02:47:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:12] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 6/23 places, 5/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 181 ms. Remains : 6/23 places, 5/18 transitions.
Stuttering acceptance computed with spot in 338 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-00
Product exploration explored 100000 steps with 10101 reset in 494 ms.
Product exploration explored 100000 steps with 10031 reset in 186 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 112 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 122 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 3824 steps (1 resets) in 7 ms. (478 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 142 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 113 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (NOT p0)]
[2025-06-04 02:47:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:14] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-04 02:47:14] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2025-06-04 02:47:14] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:14] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-04 02:47:14] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-04 02:47:14] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-04 02:47:14] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 6/6 places, 5/5 transitions.
Applied a total of 0 rules in 3 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2025-06-04 02:47:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:14] [INFO ] Implicit Places using invariants in 30 ms returned []
[2025-06-04 02:47:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:14] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 70 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 02:47:14] [INFO ] Redundant transitions in 0 ms returned []
Running 4 sub problems to find dead transitions.
[2025-06-04 02:47:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 5/11 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 0/11 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 11/11 variables, and 8 constraints, problems are : Problem set: 0 solved, 4 unsolved in 109 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 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) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 5/11 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/11 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 0/11 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 11/11 variables, and 12 constraints, problems are : Problem set: 0 solved, 4 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, State Equation: 6/6 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 219ms problems are : Problem set: 0 solved, 4 unsolved
Search for dead transitions found 0 dead transitions in 219ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 301 ms. Remains : 6/6 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 97 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 89 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4226 steps (1 resets) in 6 ms. (603 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 132 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 93 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
[2025-06-04 02:47:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-04 02:47:15] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-04 02:47:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-04 02:47:15] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-04 02:47:15] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-04 02:47:15] [INFO ] Added : 2 causal constraints over 1 iterations in 8 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 100 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10080 reset in 140 ms.
Product exploration explored 100000 steps with 10081 reset in 549 ms.
Built C files in :
/tmp/ltsmin6867396736616368388
[2025-06-04 02:47:15] [INFO ] Computing symmetric may disable matrix : 5 transitions.
[2025-06-04 02:47:16] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 02:47:16] [INFO ] Computing symmetric may enable matrix : 5 transitions.
[2025-06-04 02:47:16] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 02:47:16] [INFO ] Computing Do-Not-Accords matrix : 5 transitions.
[2025-06-04 02:47:16] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-06-04 02:47:16] [INFO ] Built C files in 45ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6867396736616368388
Running compilation step : cd /tmp/ltsmin6867396736616368388;'/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 320 ms.
Running link step : cd /tmp/ltsmin6867396736616368388;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 52 ms.
Running LTSmin : cd /tmp/ltsmin6867396736616368388;'/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/stateBased15651469068572386152.hoa' '--buchi-type=spotba'
LTSmin run took 2665 ms.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-00 FALSE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-00 finished in 7007 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&&(p1 U (p2||G(p1)))))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 21 transition count 13
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 12 place count 16 transition count 13
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 12 place count 16 transition count 12
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 14 place count 15 transition count 12
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: 4
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 22 place count 11 transition count 8
Applied a total of 22 rules in 5 ms. Remains 11 /23 variables (removed 12) and now considering 8/18 (removed 10) transitions.
// Phase 1: matrix 8 rows 11 cols
[2025-06-04 02:47:19] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:19] [INFO ] Implicit Places using invariants in 32 ms returned [6, 10]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 33 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 9/23 places, 8/18 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 9 transition count 7
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 2 rules applied. Total rules applied 3 place count 8 transition count 6
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 4 place count 7 transition count 6
Applied a total of 4 rules in 1 ms. Remains 7 /9 variables (removed 2) and now considering 6/8 (removed 2) transitions.
// Phase 1: matrix 6 rows 7 cols
[2025-06-04 02:47:19] [INFO ] Computed 2 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:19] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-04 02:47:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:19] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 7/23 places, 6/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 92 ms. Remains : 7/23 places, 6/18 transitions.
Stuttering acceptance computed with spot in 61 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2)))]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-01
Product exploration explored 100000 steps with 0 reset in 155 ms.
Stack based approach found an accepted trace after 78 steps with 0 reset with depth 79 and stack size 79 in 0 ms.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-01 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-01 finished in 330 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(p0)&&F(p1)) U X((!p2||X(p3)))))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2025-06-04 02:47:19] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:19] [INFO ] Implicit Places using invariants in 33 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 34 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 36 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 522 ms :[(AND p2 (NOT p3)), (AND p2 (NOT p3)), (AND p2 (NOT p3)), (AND (NOT p1) p2 (NOT p3)), (NOT p3), true, (AND (NOT p1) (NOT p3)), (OR (AND (NOT p0) (NOT p3)) (AND p2 (NOT p3))), (AND (NOT p1) (NOT p3) p2), (NOT p0), (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-02
Product exploration explored 100000 steps with 50000 reset in 91 ms.
Product exploration explored 100000 steps with 50000 reset in 104 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) (NOT p1) (NOT p2) (NOT p3)), (X (NOT p2)), (X (NOT (AND (NOT p0) p2))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND p0 p2))), (X (NOT (AND p0 (NOT p1) p2))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p3))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (NOT (AND p0 p2 (NOT p3))))), (X (X (NOT (AND p0 (NOT p1) p2 (NOT p3))))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND (NOT p1) p2 (NOT p3))))), (X (X (AND (NOT p1) (NOT p3)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 18 factoid took 27 ms. Reduced automaton from 11 states, 19 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-02 finished in 811 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((X(p1)&&p0))) U (G(p2)&&X(p3)))))'
Support contains 4 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2025-06-04 02:47:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:20] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-04 02:47:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:20] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2025-06-04 02:47:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 490 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1040ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1040ms
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1149 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 474 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-03
Product exploration explored 100000 steps with 4037 reset in 179 ms.
Product exploration explored 100000 steps with 3994 reset in 208 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) (NOT p0) (NOT p1) (NOT p3)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (NOT p2)), (X (X (NOT p3))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT p0))), (X (X (NOT p2))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 17 factoid took 162 ms. Reduced automaton from 7 states, 25 edges and 4 AP (stutter sensitive) to 7 states, 25 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 418 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
Reduction of identical properties reduced properties to check from 12 to 9
RANDOM walk for 40174 steps (8 resets) in 43 ms. (913 steps per ms) remains 2/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 304 ms. (131 steps per ms) remains 1/2 properties
[2025-06-04 02:47:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
Problem apf0 is UNSAT
After SMT solving in domain Real declared 2/39 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 20 ms.
Refiners :[Positive P Invariants (semi-flows): 0/4 constraints, State Equation: 0/21 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1) (NOT p3)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND (NOT p2) p0))), (X (NOT p0)), (X (NOT p2)), (X (X (NOT p3))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p2) p0)))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT p0))), (X (X (NOT p2))), (X (X (NOT p1))), (G (OR (NOT p0) p2))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) (NOT p3)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F p0), (F (NOT (OR (NOT p0) p1))), (F (NOT (OR (NOT p0) p3))), (F (NOT (OR (NOT p2) p3))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p3)))), (F p3), (F p1), (F p2)]
Knowledge based reduction with 18 factoid took 591 ms. Reduced automaton from 7 states, 25 edges and 4 AP (stutter sensitive) to 7 states, 23 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 445 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
Stuttering acceptance computed with spot in 459 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
[2025-06-04 02:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:24] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 02:47:24] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2025-06-04 02:47:24] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 6 ms.
[2025-06-04 02:47:24] [INFO ] Added : 1 causal constraints over 1 iterations in 20 ms. Result :sat
Could not prove EG (NOT p2)
[2025-06-04 02:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:24] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 02:47:24] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-04 02:47:24] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:24] [INFO ] [Nat]Absence check using 4 positive place invariants in 4 ms returned sat
[2025-06-04 02:47:24] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2025-06-04 02:47:24] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-04 02:47:24] [INFO ] Added : 14 causal constraints over 3 iterations in 31 ms. Result :sat
Could not prove EG (NOT p3)
Support contains 4 out of 21 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
[2025-06-04 02:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:24] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-04 02:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:24] [INFO ] Implicit Places using invariants and state equation in 64 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Running 17 sub problems to find dead transitions.
[2025-06-04 02:47:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 0/39 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 39/39 variables, and 25 constraints, problems are : Problem set: 0 solved, 17 unsolved in 485 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (OVERLAPS) 1/21 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/21 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 18/39 variables, 21/25 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/39 variables, 17/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 0/39 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 39/39 variables, and 42 constraints, problems are : Problem set: 0 solved, 17 unsolved in 518 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 21/21 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1022ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 1022ms
Finished structural reductions in LTL mode , in 1 iterations and 1132 ms. Remains : 21/21 places, 18/18 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 (NOT p2) (NOT p0) (NOT p1) (NOT p3)), (X (NOT p2)), (X (X (NOT p3))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT p2)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 178 ms. Reduced automaton from 7 states, 23 edges and 4 AP (stutter sensitive) to 7 states, 23 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 460 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
Reduction of identical properties reduced properties to check from 10 to 8
RANDOM walk for 40180 steps (8 resets) in 33 ms. (1181 steps per ms) remains 1/8 properties
BEST_FIRST walk for 2737 steps (0 resets) in 13 ms. (195 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1) (NOT p3)), (X (NOT p2)), (X (X (NOT p3))), (X (X (AND (NOT p0) (NOT p3)))), (X (X (NOT p0))), (X (X (NOT (AND p0 (NOT p3))))), (X (X (NOT (AND p2 (NOT p3))))), (X (X (AND (NOT p2) (NOT p3)))), (X (X (NOT p2)))]
False Knowledge obtained : [(F (NOT (OR (NOT p0) p3))), (F (NOT (AND (NOT p3) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F p3), (F p0), (F (NOT (AND (NOT p0) (NOT p3)))), (F p1), (F p2), (F (NOT (OR p3 (NOT p2))))]
Knowledge based reduction with 9 factoid took 559 ms. Reduced automaton from 7 states, 23 edges and 4 AP (stutter sensitive) to 7 states, 23 edges and 4 AP (stutter sensitive).
Stuttering acceptance computed with spot in 449 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
Stuttering acceptance computed with spot in 448 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
[2025-06-04 02:47:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:28] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 02:47:28] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2025-06-04 02:47:28] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-04 02:47:28] [INFO ] Added : 1 causal constraints over 1 iterations in 13 ms. Result :sat
Could not prove EG (NOT p2)
[2025-06-04 02:47:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:28] [INFO ] [Real]Absence check using 4 positive place invariants in 3 ms returned sat
[2025-06-04 02:47:28] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2025-06-04 02:47:28] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 15.0 s and query timeout 1500.0 ms
[2025-06-04 02:47:28] [INFO ] [Nat]Absence check using 4 positive place invariants in 2 ms returned sat
[2025-06-04 02:47:28] [INFO ] [Nat]Absence check using state equation in 17 ms returned sat
[2025-06-04 02:47:28] [INFO ] Computed and/alt/rep : 17/17/17 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-04 02:47:28] [INFO ] Added : 14 causal constraints over 3 iterations in 27 ms. Result :sat
Could not prove EG (NOT p3)
Stuttering acceptance computed with spot in 488 ms :[(OR (NOT p2) (NOT p3)), (OR (NOT p2) (NOT p3)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p2), (NOT p3)]
Product exploration explored 100000 steps with 4033 reset in 175 ms.
Stack based approach found an accepted trace after 12898 steps with 505 reset with depth 53 and stack size 53 in 32 ms.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-03 finished in 8843 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(((!p0||X(p1)) U (G((!p0||X(p1)))||(p2&&(!p0||X(p1))))))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2025-06-04 02:47:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:29] [INFO ] Implicit Places using invariants in 47 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 49 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 57 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 164 ms :[(AND p0 (NOT p1)), (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 146 ms.
Product exploration explored 100000 steps with 50000 reset in 208 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 p0) p1), (X (NOT p0)), (X p2), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT p0))), (X (X p2)), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to conjunction of knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 148 ms. Reduced automaton from 3 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-04 finished in 751 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 X((!p0||F(!p1)||X(X(G(!p2))))))))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 18
Applied a total of 1 rules in 1 ms. Remains 22 /23 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2025-06-04 02:47:29] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:29] [INFO ] Implicit Places using invariants in 48 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 50 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 52 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 558 ms :[(AND p0 p1 p2), (AND p0 p1 p2), (AND p1 p0 p2), (AND p1 p2), (AND p1 (NOT p0) p2), (AND p1 p2), (AND p0 p1 p2), (AND p1 (NOT p0) p2), p1, (AND p1 (NOT p0) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-06
Product exploration explored 100000 steps with 33333 reset in 81 ms.
Product exploration explored 100000 steps with 33333 reset in 118 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) (NOT p1) (NOT p2)), (X (NOT p0)), (X (X (NOT p2))), (X (X (NOT (AND p0 p1)))), (X (X (NOT (AND p0 p1 (NOT p2))))), (X (X (NOT (AND p0 p1 p2)))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 22 ms. Reduced automaton from 10 states, 17 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-06 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-06 finished in 881 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)&&F(G(p1)))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 22 transition count 13
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 11 place count 17 transition count 13
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 11 place count 17 transition count 11
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 15 place count 15 transition count 11
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 19 place count 13 transition count 9
Applied a total of 19 rules in 5 ms. Remains 13 /23 variables (removed 10) and now considering 9/18 (removed 9) transitions.
// Phase 1: matrix 9 rows 13 cols
[2025-06-04 02:47:30] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:30] [INFO ] Implicit Places using invariants in 41 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 43 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 12/23 places, 9/18 transitions.
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 0 with 2 rules applied. Total rules applied 2 place count 12 transition count 7
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 4 place count 10 transition count 7
Applied a total of 4 rules in 2 ms. Remains 10 /12 variables (removed 2) and now considering 7/9 (removed 2) transitions.
// Phase 1: matrix 7 rows 10 cols
[2025-06-04 02:47:30] [INFO ] Computed 4 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:30] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-04 02:47:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:30] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 10/23 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 135 ms. Remains : 10/23 places, 7/18 transitions.
Stuttering acceptance computed with spot in 156 ms :[(OR (NOT p1) p0), p0, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-08
Product exploration explored 100000 steps with 0 reset in 106 ms.
Stack based approach found an accepted trace after 10 steps with 0 reset with depth 11 and stack size 11 in 0 ms.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-08 FALSE TECHNIQUES STACK_TEST
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-08 finished in 417 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(((p0||X(X(X((!p1&&G(F(p0))))))) U !p2)))'
Support contains 5 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 18
Applied a total of 1 rules in 1 ms. Remains 22 /23 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2025-06-04 02:47:31] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:31] [INFO ] Implicit Places using invariants in 33 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 278 ms :[p2, (OR (NOT p0) p1), p2, (OR (NOT p0) p1), (OR (NOT p0) p1), true, (NOT p0), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-09
Entered a terminal (fully accepting) state of product in 879 steps with 5 reset in 2 ms.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-09 finished in 343 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(p1))))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 22 transition count 18
Applied a total of 1 rules in 1 ms. Remains 22 /23 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 22 cols
[2025-06-04 02:47:31] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:31] [INFO ] Implicit Places using invariants in 35 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 36 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/23 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 21/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 257 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 288 ms.
Product exploration explored 100000 steps with 0 reset in 457 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 p1) p0), (X p0), (X (X (NOT p1))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 6 factoid took 126 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 63 ms :[true, (NOT p0)]
RANDOM walk for 3205 steps (0 resets) in 7 ms. (400 steps per ms) remains 0/1 properties
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X (NOT p1))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Property proved to be false thanks to negative knowledge :(F (NOT p0))
Knowledge based reduction with 6 factoid took 166 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-11 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-11 finished in 1430 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(p1)&&F(G(p2))))&&p0)))'
Support contains 3 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 21 cols
[2025-06-04 02:47:32] [INFO ] Computed 4 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:32] [INFO ] Implicit Places using invariants in 44 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 49 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 309 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p0) (NOT p1) (NOT p2)), true, (NOT p1), (NOT p2), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-12
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-12 finished in 388 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 U p1)))))'
Support contains 2 out of 23 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 23/23 places, 18/18 transitions.
Discarding 2 places :
Implicit places reduction removed 2 places
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 21 transition count 18
Applied a total of 2 rules in 1 ms. Remains 21 /23 variables (removed 2) and now considering 18/18 (removed 0) transitions.
[2025-06-04 02:47:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:47:33] [INFO ] Implicit Places using invariants in 49 ms returned [14]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 20/23 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 20 /20 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 55 ms. Remains : 20/23 places, 18/18 transitions.
Stuttering acceptance computed with spot in 225 ms :[(NOT p1), (NOT p1), (NOT p1), true, (NOT p1)]
Running random walk in product with property : ClientsAndServers-PT-N0100P0-LTLFireability-15
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ClientsAndServers-PT-N0100P0-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ClientsAndServers-PT-N0100P0-LTLFireability-15 finished in 301 ms.
All properties solved by simple procedures.
Total runtime 25705 ms.
BK_STOP 1749005253688
--------------------
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="ClientsAndServers-PT-N0100P0"
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 ClientsAndServers-PT-N0100P0, 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 r030-smll-174853814100556"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ClientsAndServers-PT-N0100P0.tgz
mv ClientsAndServers-PT-N0100P0 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 '
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 ;