Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994200362.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 SieveSingleMsgMbox-PT-d0m06, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994200362
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K 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 29K 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 14K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 155K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 90K 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 14:33 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 57K May 29 14:33 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-12
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-13
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-14
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-15
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-00
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-01
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-02
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-03
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-04
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-05
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-06
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-07
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-08
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-09
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-10
FORMULA_NAME SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-11

=== Now, execution of the tool begins

BK_START 1749147183396

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SieveSingleMsgMbox-PT-d0m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202505121319
[2025-06-05 18:13:04] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-05 18:13:04] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 18:13:04] [INFO ] Load time of PNML (sax parser for PT used): 66 ms
[2025-06-05 18:13:04] [INFO ] Transformed 262 places.
[2025-06-05 18:13:04] [INFO ] Transformed 73 transitions.
[2025-06-05 18:13:04] [INFO ] Parsed PT model containing 262 places and 73 transitions and 292 arcs in 151 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 10 ms.
Deduced a syphon composed of 190 places in 1 ms
Reduce places removed 190 places and 0 transitions.
Support contains 55 out of 72 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 73/73 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 70 transition count 73
Applied a total of 2 rules in 13 ms. Remains 70 /72 variables (removed 2) and now considering 73/73 (removed 0) transitions.
// Phase 1: matrix 73 rows 70 cols
[2025-06-05 18:13:04] [INFO ] Computed 5 invariants in 10 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:13:05] [INFO ] Implicit Places using invariants in 187 ms returned []
[2025-06-05 18:13:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:13:05] [INFO ] State equation strengthened by 31 read => feed constraints.
[2025-06-05 18:13:05] [INFO ] Implicit Places using invariants and state equation in 135 ms returned []
Implicit Place search using SMT with State Equation took 352 ms to find 0 implicit places.
Running 72 sub problems to find dead transitions.
[2025-06-05 18:13:05] [INFO ] Invariant cache hit.
[2025-06-05 18:13:05] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:05] [INFO ] Deduced a trap composed of 14 places in 65 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:05] [INFO ] Deduced a trap composed of 14 places in 47 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 1/70 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:06] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:06] [INFO ] Deduced a trap composed of 22 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:06] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:06] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:06] [INFO ] Deduced a trap composed of 29 places in 52 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:06] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:06] [INFO ] Deduced a trap composed of 23 places in 33 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/70 variables, 2/14 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/70 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (OVERLAPS) 73/143 variables, 70/84 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/143 variables, 31/115 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:07] [INFO ] Deduced a trap composed of 28 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:07] [INFO ] Deduced a trap composed of 21 places in 54 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:07] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:07] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 7 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/143 variables, 10/125 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:08] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 6 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/143 variables, 2/127 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/143 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 14 (OVERLAPS) 0/143 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 127 constraints, problems are : Problem set: 0 solved, 72 unsolved in 5300 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/69 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 4 (OVERLAPS) 1/70 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/70 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/70 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 7 (OVERLAPS) 73/143 variables, 70/96 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/143 variables, 31/127 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/143 variables, 72/199 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:13] [INFO ] Deduced a trap along path composed of 10 places in 33 ms of which 9 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/143 variables, 1/200 constraints. Problems are: Problem set: 0 solved, 72 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:17] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/143 variables, 1/201 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/143 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 72 unsolved
At refinement iteration 13 (OVERLAPS) 0/143 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 72 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 201 constraints, problems are : Problem set: 0 solved, 72 unsolved in 17541 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 72/72 constraints, Known Traps: 21/21 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 22925ms problems are : Problem set: 0 solved, 72 unsolved
Search for dead transitions found 0 dead transitions in 22941ms
Starting structural reductions in LTL mode, iteration 1 : 70/72 places, 73/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 23323 ms. Remains : 70/72 places, 73/73 transitions.
Support contains 55 out of 70 places after structural reductions.
[2025-06-05 18:13:28] [INFO ] Flatten gal took : 23 ms
[2025-06-05 18:13:28] [INFO ] Flatten gal took : 9 ms
[2025-06-05 18:13:28] [INFO ] Input system was already deterministic with 73 transitions.
Reduction of identical properties reduced properties to check from 51 to 47
RANDOM walk for 40000 steps (8877 resets) in 2350 ms. (17 steps per ms) remains 32/47 properties
BEST_FIRST walk for 4001 steps (185 resets) in 28 ms. (137 steps per ms) remains 31/32 properties
BEST_FIRST walk for 4003 steps (200 resets) in 23 ms. (166 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4002 steps (449 resets) in 67 ms. (58 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4002 steps (207 resets) in 94 ms. (42 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4002 steps (407 resets) in 71 ms. (55 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4003 steps (194 resets) in 12 ms. (307 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4001 steps (609 resets) in 29 ms. (133 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4002 steps (416 resets) in 32 ms. (121 steps per ms) remains 31/31 properties
BEST_FIRST walk for 4003 steps (185 resets) in 16 ms. (235 steps per ms) remains 29/31 properties
BEST_FIRST walk for 4002 steps (446 resets) in 16 ms. (235 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4001 steps (423 resets) in 16 ms. (235 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (178 resets) in 11 ms. (333 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4000 steps (800 resets) in 32 ms. (121 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (191 resets) in 10 ms. (363 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (425 resets) in 29 ms. (133 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (199 resets) in 24 ms. (160 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (206 resets) in 28 ms. (138 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (175 resets) in 25 ms. (153 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (390 resets) in 28 ms. (138 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4004 steps (244 resets) in 17 ms. (222 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (615 resets) in 25 ms. (153 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (185 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (195 resets) in 15 ms. (250 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (212 resets) in 17 ms. (222 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4001 steps (184 resets) in 16 ms. (235 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (386 resets) in 21 ms. (181 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4000 steps (420 resets) in 20 ms. (190 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4002 steps (430 resets) in 21 ms. (181 steps per ms) remains 29/29 properties
BEST_FIRST walk for 4003 steps (196 resets) in 25 ms. (153 steps per ms) remains 29/29 properties
[2025-06-05 18:13:29] [INFO ] Invariant cache hit.
[2025-06-05 18:13:29] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 1 (OVERLAPS) 25/64 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 29 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/64 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 29 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp18 is UNSAT
Problem AtomicPropp31 is UNSAT
Problem AtomicPropp33 is UNSAT
Problem AtomicPropp48 is UNSAT
At refinement iteration 3 (OVERLAPS) 3/67 variables, 3/5 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/67 variables, 0/5 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 73/140 variables, 67/72 constraints. Problems are: Problem set: 5 solved, 24 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/140 variables, 31/103 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/140 variables, 0/103 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 8 (OVERLAPS) 3/143 variables, 3/106 constraints. Problems are: Problem set: 5 solved, 24 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:29] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:29] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:29] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 6 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/143 variables, 3/109 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/143 variables, 0/109 constraints. Problems are: Problem set: 5 solved, 24 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:30] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:30] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:30] [INFO ] Deduced a trap composed of 12 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:30] [INFO ] Deduced a trap composed of 12 places in 52 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:30] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 6 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/143 variables, 5/114 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/143 variables, 0/114 constraints. Problems are: Problem set: 5 solved, 24 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:31] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:31] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:31] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:31] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 6 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/143 variables, 4/118 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/143 variables, 0/118 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 15 (OVERLAPS) 0/143 variables, 0/118 constraints. Problems are: Problem set: 5 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Real declared 143/143 variables, and 118 constraints, problems are : Problem set: 5 solved, 24 unsolved in 2675 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 29/29 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 5 solved, 24 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 1 (OVERLAPS) 30/62 variables, 2/2 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/2 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 3 (OVERLAPS) 3/65 variables, 3/5 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/65 variables, 0/5 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 5 (OVERLAPS) 72/137 variables, 65/70 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/137 variables, 30/100 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/137 variables, 6/106 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/137 variables, 0/106 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 9 (OVERLAPS) 6/143 variables, 5/111 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/143 variables, 1/112 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/143 variables, 18/130 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/143 variables, 12/142 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/143 variables, 0/142 constraints. Problems are: Problem set: 5 solved, 24 unsolved
At refinement iteration 14 (OVERLAPS) 0/143 variables, 0/142 constraints. Problems are: Problem set: 5 solved, 24 unsolved
No progress, stopping.
After SMT solving in domain Int declared 143/143 variables, and 142 constraints, problems are : Problem set: 5 solved, 24 unsolved in 2711 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 70/70 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 24/29 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5406ms problems are : Problem set: 5 solved, 24 unsolved
Fused 24 Parikh solutions to 21 different solutions.
Parikh walk visited 0 properties in 414 ms.
Support contains 32 out of 70 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 68 transition count 71
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 68 transition count 71
Applied a total of 4 rules in 11 ms. Remains 68 /70 variables (removed 2) and now considering 71/73 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 68/70 places, 71/73 transitions.
RANDOM walk for 40000 steps (8937 resets) in 276 ms. (144 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (199 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (211 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (430 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (383 resets) in 14 ms. (266 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (196 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4001 steps (616 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (423 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (188 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (442 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (184 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4000 steps (800 resets) in 24 ms. (160 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (191 resets) in 13 ms. (285 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4003 steps (417 resets) in 15 ms. (250 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4002 steps (176 resets) in 16 ms. (235 steps per ms) remains 24/24 properties
BEST_FIRST walk for 4004 steps (195 resets) in 13 ms. (286 steps per ms) remains 23/24 properties
BEST_FIRST walk for 4003 steps (189 resets) in 20 ms. (190 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4003 steps (418 resets) in 21 ms. (181 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4001 steps (171 resets) in 15 ms. (250 steps per ms) remains 23/23 properties
BEST_FIRST walk for 4002 steps (180 resets) in 19 ms. (200 steps per ms) remains 19/23 properties
BEST_FIRST walk for 4003 steps (189 resets) in 21 ms. (181 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4001 steps (391 resets) in 30 ms. (129 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (167 resets) in 21 ms. (181 steps per ms) remains 19/19 properties
// Phase 1: matrix 71 rows 68 cols
[2025-06-05 18:13:35] [INFO ] Computed 5 invariants in 2 ms
[2025-06-05 18:13:35] [INFO ] State equation strengthened by 30 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 23/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 8/59 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 4/63 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 70/133 variables, 63/68 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/133 variables, 29/97 constraints. Problems are: Problem set: 0 solved, 19 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/133 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (OVERLAPS) 6/139 variables, 5/102 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/139 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:36] [INFO ] Deduced a trap composed of 19 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:36] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:36] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:36] [INFO ] Deduced a trap composed of 20 places in 46 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:36] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:36] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/139 variables, 6/109 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/139 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 14 (OVERLAPS) 0/139 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Real declared 139/139 variables, and 109 constraints, problems are : Problem set: 0 solved, 19 unsolved in 1480 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 19 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/28 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 1 (OVERLAPS) 23/51 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/51 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 3 (OVERLAPS) 8/59 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 5 (OVERLAPS) 4/63 variables, 3/5 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 7 (OVERLAPS) 70/133 variables, 63/68 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/133 variables, 29/97 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/133 variables, 5/102 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/133 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 11 (OVERLAPS) 6/139 variables, 5/107 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/139 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/139 variables, 14/122 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/139 variables, 6/128 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/139 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 19 unsolved
At refinement iteration 16 (OVERLAPS) 0/139 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 19 unsolved
No progress, stopping.
After SMT solving in domain Int declared 139/139 variables, and 128 constraints, problems are : Problem set: 0 solved, 19 unsolved in 2584 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 68/68 constraints, ReadFeed: 30/30 constraints, PredecessorRefiner: 19/19 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4082ms problems are : Problem set: 0 solved, 19 unsolved
Parikh walk visited 0 properties in 423 ms.
Support contains 28 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 71/71 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 66 transition count 69
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 66 transition count 69
Applied a total of 4 rules in 5 ms. Remains 66 /68 variables (removed 2) and now considering 69/71 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 66/68 places, 69/71 transitions.
RANDOM walk for 40000 steps (8944 resets) in 270 ms. (147 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (187 resets) in 27 ms. (142 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (392 resets) in 26 ms. (148 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (194 resets) in 21 ms. (181 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (611 resets) in 22 ms. (174 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (415 resets) in 26 ms. (148 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (199 resets) in 15 ms. (250 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (400 resets) in 33 ms. (117 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (192 resets) in 18 ms. (210 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4000 steps (800 resets) in 18 ms. (210 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (189 resets) in 14 ms. (266 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (421 resets) in 14 ms. (266 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (194 resets) in 13 ms. (286 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (192 resets) in 12 ms. (307 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4004 steps (407 resets) in 11 ms. (333 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (188 resets) in 12 ms. (307 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (186 resets) in 12 ms. (307 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (189 resets) in 13 ms. (285 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4003 steps (407 resets) in 13 ms. (285 steps per ms) remains 19/19 properties
BEST_FIRST walk for 4002 steps (203 resets) in 9 ms. (400 steps per ms) remains 19/19 properties
Finished probabilistic random walk after 13040 steps, run visited all 19 properties in 53 ms. (steps per millisecond=246 )
Probabilistic random walk after 13040 steps, saw 5914 distinct states, run finished after 56 ms. (steps per millisecond=232 ) properties seen :19
Successfully simplified 5 atomic propositions for a total of 16 simplifications.
[2025-06-05 18:13:40] [INFO ] Flatten gal took : 7 ms
[2025-06-05 18:13:40] [INFO ] Flatten gal took : 6 ms
[2025-06-05 18:13:40] [INFO ] Input system was already deterministic with 73 transitions.
Support contains 48 out of 70 places (down from 49) after GAL structural reductions.
Computed a total of 10 stabilizing places and 13 stable transitions
Graph (complete) has 213 edges and 70 vertex of which 69 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 63 transition count 66
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 63 transition count 66
Applied a total of 14 rules in 3 ms. Remains 63 /70 variables (removed 7) and now considering 66/73 (removed 7) transitions.
// Phase 1: matrix 66 rows 63 cols
[2025-06-05 18:13:40] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:13:40] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-05 18:13:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:13:40] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-05 18:13:40] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
Running 65 sub problems to find dead transitions.
[2025-06-05 18:13:40] [INFO ] Invariant cache hit.
[2025-06-05 18:13:40] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:40] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:40] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:40] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:41] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:41] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 5/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:41] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:41] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (OVERLAPS) 66/129 variables, 63/75 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 28/103 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:41] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:41] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:41] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 3/106 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:42] [INFO ] Deduced a trap composed of 10 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:42] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:42] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:42] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:42] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:42] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:42] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/129 variables, 7/113 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/129 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:43] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 5 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/129 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/129 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 14 (OVERLAPS) 0/129 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 129/129 variables, and 114 constraints, problems are : Problem set: 0 solved, 65 unsolved in 4106 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (OVERLAPS) 1/63 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 13/23 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (OVERLAPS) 66/129 variables, 63/86 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 28/114 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 65/179 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:46] [INFO ] Deduced a trap along path composed of 9 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:47] [INFO ] Deduced a trap along path composed of 3 places in 23 ms of which 2 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/129 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/129 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 12 (OVERLAPS) 0/129 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 129/129 variables, and 181 constraints, problems are : Problem set: 0 solved, 65 unsolved in 11428 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 15554ms problems are : Problem set: 0 solved, 65 unsolved
Search for dead transitions found 0 dead transitions in 15555ms
Starting structural reductions in LTL mode, iteration 1 : 63/70 places, 66/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 15699 ms. Remains : 63/70 places, 66/73 transitions.
[2025-06-05 18:13:55] [INFO ] Flatten gal took : 12 ms
[2025-06-05 18:13:55] [INFO ] Flatten gal took : 4 ms
[2025-06-05 18:13:56] [INFO ] Input system was already deterministic with 66 transitions.
[2025-06-05 18:13:56] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:13:56] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:13:56] [INFO ] Time to serialize gal into /tmp/CTLFireability10976520031126914655.gal : 2 ms
[2025-06-05 18:13:56] [INFO ] Time to serialize properties into /tmp/CTLFireability1457913833857534778.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability10976520031126914655.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1457913833857534778.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,20968,0.090232,7920,2,1746,5,15165,6,0,318,9466,0


Converting to forward existential form...Done !
original formula: E(EF(AX((E(((s1>=1)&&(l70>=1)) U ((s3>=1)&&(l0>=1))) + (A(((s1>=1)&&(l90>=1)) U ((s1>=1)&&(l78>=1))) * EF(((s1>=1)&&(l126>=1))))))) U !(A...188
=> equivalent forward existential formula: [FwdG(FwdU(EY(FwdU(Init,E(TRUE U !(EX(!((E(((s1>=1)&&(l70>=1)) U ((s3>=1)&&(l0>=1))) + (!((E(!(((s1>=1)&&(l78>=1...324
Reverse transition relation is NOT exact ! Due to transitions t8, t19, t44, t48, t49, t50, t51, t52, t53, t54, t55, t57, t58, t59, t60, t61, t63, t65, Int...249
Hit Full ! (commute/partial/dont) 63/0/3
(forward)formula 0,1,1.01284,44836,1,0,404,211891,180,176,2243,145703,501
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 64 transition count 67
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 64 transition count 67
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 63 transition count 66
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 62 transition count 65
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 17 place count 62 transition count 64
Applied a total of 17 rules in 11 ms. Remains 62 /70 variables (removed 8) and now considering 64/73 (removed 9) transitions.
// Phase 1: matrix 64 rows 62 cols
[2025-06-05 18:13:57] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:13:57] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-05 18:13:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:13:57] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:13:57] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 137 ms to find 0 implicit places.
Running 63 sub problems to find dead transitions.
[2025-06-05 18:13:57] [INFO ] Invariant cache hit.
[2025-06-05 18:13:57] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/62 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:57] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:57] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:57] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:57] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:57] [INFO ] Deduced a trap composed of 21 places in 42 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:57] [INFO ] Deduced a trap composed of 21 places in 25 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 64/126 variables, 62/73 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/126 variables, 25/98 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:58] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/126 variables, 11/109 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/126 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:59] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:59] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:59] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:13:59] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 6 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/126 variables, 4/113 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:00] [INFO ] Deduced a trap composed of 20 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:00] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/126 variables, 2/115 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/126 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:00] [INFO ] Deduced a trap along path composed of 3 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:00] [INFO ] Deduced a trap along path composed of 15 places in 25 ms of which 1 ms to minimize.
At refinement iteration 14 (OVERLAPS) 0/126 variables, 2/117 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:01] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:01] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:01] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 3 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/126 variables, 3/120 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/126 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 17 (OVERLAPS) 0/126 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 126/126 variables, and 120 constraints, problems are : Problem set: 0 solved, 63 unsolved in 5627 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 2/2 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 1/62 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 24/31 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 64/126 variables, 62/93 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/126 variables, 25/118 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/126 variables, 63/181 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/126 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/126 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/126 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 126/126 variables, and 183 constraints, problems are : Problem set: 0 solved, 63 unsolved in 6648 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 26/26 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 12296ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 12298ms
Starting structural reductions in LTL mode, iteration 1 : 62/70 places, 64/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12446 ms. Remains : 62/70 places, 64/73 transitions.
[2025-06-05 18:14:09] [INFO ] Flatten gal took : 4 ms
[2025-06-05 18:14:09] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:09] [INFO ] Input system was already deterministic with 64 transitions.
[2025-06-05 18:14:09] [INFO ] Flatten gal took : 10 ms
[2025-06-05 18:14:09] [INFO ] Flatten gal took : 4 ms
[2025-06-05 18:14:09] [INFO ] Time to serialize gal into /tmp/CTLFireability16606139123323165214.gal : 1 ms
[2025-06-05 18:14:09] [INFO ] Time to serialize properties into /tmp/CTLFireability15339667504127971088.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16606139123323165214.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability15339667504127971088.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.189543,12716,2,2255,5,34180,6,0,312,18309,0


Converting to forward existential form...Done !
original formula: E(AG(((p13>=1)&&(l0>=1))) U AX(E(!(((s1>=1)&&(l234>=1))) U ((EG(((s1>=1)&&(l29>=1))) * AX(((p11>=1)&&(l0>=1)))) * ((!((s3>=1)&&(l0>=1)))&...205
=> equivalent forward existential formula: [(FwdU(Init,!(E(TRUE U !(((p13>=1)&&(l0>=1)))))) * !(EX(!(E(!(((s1>=1)&&(l234>=1))) U ((EG(((s1>=1)&&(l29>=1))) ...275
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t57, t58, t59, t61, t63, In...250
(forward)formula 0,0,0.735941,31120,1,0,227,134034,169,87,2088,83119,268
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 63 transition count 66
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 61 transition count 64
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 61 transition count 63
Applied a total of 19 rules in 19 ms. Remains 61 /70 variables (removed 9) and now considering 63/73 (removed 10) transitions.
// Phase 1: matrix 63 rows 61 cols
[2025-06-05 18:14:10] [INFO ] Computed 5 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:10] [INFO ] Implicit Places using invariants in 50 ms returned []
[2025-06-05 18:14:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:10] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:14:10] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:14:10] [INFO ] Redundant transitions in 1 ms returned []
Running 62 sub problems to find dead transitions.
[2025-06-05 18:14:10] [INFO ] Invariant cache hit.
[2025-06-05 18:14:10] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 1/61 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:10] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:10] [INFO ] Deduced a trap composed of 20 places in 25 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:11] [INFO ] Deduced a trap composed of 20 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:11] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 63/124 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/124 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:11] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:11] [INFO ] Deduced a trap composed of 21 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:11] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:11] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:11] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 7 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 5/100 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:12] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/124 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/124 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (OVERLAPS) 0/124 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 101 constraints, problems are : Problem set: 0 solved, 62 unsolved in 2852 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 10/10 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 9/15 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:13] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/61 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (OVERLAPS) 63/124 variables, 61/77 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 25/102 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 62/164 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:15] [INFO ] Deduced a trap along path composed of 4 places in 17 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:16] [INFO ] Deduced a trap along path composed of 3 places in 14 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/124 variables, 2/166 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/124 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 13 (OVERLAPS) 0/124 variables, 0/166 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 166 constraints, problems are : Problem set: 0 solved, 62 unsolved in 7871 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 10740ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 10740ms
Starting structural reductions in SI_CTL mode, iteration 1 : 61/70 places, 63/73 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 10909 ms. Remains : 61/70 places, 63/73 transitions.
[2025-06-05 18:14:21] [INFO ] Flatten gal took : 9 ms
[2025-06-05 18:14:21] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:21] [INFO ] Input system was already deterministic with 63 transitions.
[2025-06-05 18:14:21] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:21] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:21] [INFO ] Time to serialize gal into /tmp/CTLFireability16943319358725558615.gal : 0 ms
[2025-06-05 18:14:21] [INFO ] Time to serialize properties into /tmp/CTLFireability5362019387134321373.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16943319358725558615.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5362019387134321373.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.143506,10916,2,1875,5,30767,6,0,307,16941,0


Converting to forward existential form...Done !
original formula: EF(!(A(AF(((p14>=1)&&(l65>=1))) U (((p16>=1)&&(l0>=1))||(!((p20>=1)&&(l0>=1)))))))
=> equivalent forward existential formula: ([FwdG((FwdU(FwdU(Init,TRUE),!((((p16>=1)&&(l0>=1))||(!((p20>=1)&&(l0>=1)))))) * !((((p16>=1)&&(l0>=1))||(!((p20...293
Hit Full ! (commute/partial/dont) 42/2/21
Hit Full ! (commute/partial/dont) 59/0/4
(forward)formula 0,1,0.394243,19996,1,0,59,69734,28,6,1690,42624,57
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 61 transition count 64
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 59 transition count 61
Applied a total of 23 rules in 14 ms. Remains 59 /70 variables (removed 11) and now considering 61/73 (removed 12) transitions.
// Phase 1: matrix 61 rows 59 cols
[2025-06-05 18:14:21] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:21] [INFO ] Implicit Places using invariants in 40 ms returned []
[2025-06-05 18:14:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:21] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:14:21] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:14:21] [INFO ] Redundant transitions in 0 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:14:21] [INFO ] Invariant cache hit.
[2025-06-05 18:14:21] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:22] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:22] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:22] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:22] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:22] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:22] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:23] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3072 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:26] [INFO ] Deduced a trap along path composed of 14 places in 22 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7829 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 10915ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 10915ms
Starting structural reductions in SI_CTL mode, iteration 1 : 59/70 places, 61/73 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 11068 ms. Remains : 59/70 places, 61/73 transitions.
[2025-06-05 18:14:32] [INFO ] Flatten gal took : 7 ms
[2025-06-05 18:14:32] [INFO ] Flatten gal took : 4 ms
[2025-06-05 18:14:32] [INFO ] Input system was already deterministic with 61 transitions.
[2025-06-05 18:14:32] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:32] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:32] [INFO ] Time to serialize gal into /tmp/CTLFireability12487028986034940240.gal : 0 ms
[2025-06-05 18:14:32] [INFO ] Time to serialize properties into /tmp/CTLFireability17248084947360594944.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12487028986034940240.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17248084947360594944.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.106172,9100,2,1685,5,20895,6,0,297,12216,0


Converting to forward existential form...Done !
original formula: AF(((s1>=1)&&(l235>=1)))
=> equivalent forward existential formula: [FwdG(Init,!(((s1>=1)&&(l235>=1))))] = FALSE
Hit Full ! (commute/partial/dont) 2/0/59
(forward)formula 0,0,0.648003,31844,1,0,55,120267,20,3,1553,78837,53
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-03 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 62 transition count 65
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 60 transition count 62
Applied a total of 21 rules in 15 ms. Remains 60 /70 variables (removed 10) and now considering 62/73 (removed 11) transitions.
// Phase 1: matrix 62 rows 60 cols
[2025-06-05 18:14:33] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:33] [INFO ] Implicit Places using invariants in 41 ms returned []
[2025-06-05 18:14:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:33] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:14:33] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:14:33] [INFO ] Redundant transitions in 1 ms returned []
Running 61 sub problems to find dead transitions.
[2025-06-05 18:14:33] [INFO ] Invariant cache hit.
[2025-06-05 18:14:33] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:33] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:34] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:34] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:34] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 3/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:34] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (OVERLAPS) 62/122 variables, 60/70 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:34] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 21 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:35] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 9/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 104 constraints, problems are : Problem set: 0 solved, 61 unsolved in 2655 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 14/14 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:36] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:36] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 2/21 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (OVERLAPS) 62/122 variables, 60/81 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 25/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 61/167 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:38] [INFO ] Deduced a trap along path composed of 4 places in 19 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 1/168 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/168 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:42] [INFO ] Deduced a trap along path composed of 14 places in 25 ms of which 0 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/122 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/122 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 15 (OVERLAPS) 0/122 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 169 constraints, problems are : Problem set: 0 solved, 61 unsolved in 11906 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 14576ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 14577ms
Starting structural reductions in SI_CTL mode, iteration 1 : 60/70 places, 62/73 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 14730 ms. Remains : 60/70 places, 62/73 transitions.
[2025-06-05 18:14:48] [INFO ] Flatten gal took : 8 ms
[2025-06-05 18:14:48] [INFO ] Flatten gal took : 4 ms
[2025-06-05 18:14:48] [INFO ] Input system was already deterministic with 62 transitions.
[2025-06-05 18:14:48] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:48] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:48] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3244437094223726567.gal : 0 ms
[2025-06-05 18:14:48] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1373564942499183946.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality3244437094223726567.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1373564942499183946.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1373564942499183946.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 37
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :37 after 124
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :124 after 175
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :175 after 281
RANDOM walk for 40000 steps (8967 resets) in 241 ms. (165 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :281 after 1533
BEST_FIRST walk for 40003 steps (4108 resets) in 91 ms. (434 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1533 after 4197
Finished probabilistic random walk after 1299 steps, run visited all 1 properties in 8 ms. (steps per millisecond=162 )
Probabilistic random walk after 1299 steps, saw 655 distinct states, run finished after 9 ms. (steps per millisecond=144 ) properties seen :1
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 62 transition count 65
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 60 transition count 62
Applied a total of 21 rules in 5 ms. Remains 60 /70 variables (removed 10) and now considering 62/73 (removed 11) transitions.
// Phase 1: matrix 62 rows 60 cols
[2025-06-05 18:14:48] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:48] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-05 18:14:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:14:48] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:14:48] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 147 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 18:14:48] [INFO ] Invariant cache hit.
[2025-06-05 18:14:48] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:48] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:48] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:48] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/69 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 25/94 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 20 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 18 places in 42 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:49] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 5 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 7/101 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (OVERLAPS) 0/122 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 101 constraints, problems are : Problem set: 0 solved, 61 unsolved in 2395 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 7/16 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (OVERLAPS) 62/122 variables, 60/76 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 25/101 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 61/162 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:14:52] [INFO ] Deduced a trap along path composed of 4 places in 23 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 1/163 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 163 constraints, problems are : Problem set: 0 solved, 61 unsolved in 8077 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 10493ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 10495ms
Starting structural reductions in LTL mode, iteration 1 : 60/70 places, 62/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10647 ms. Remains : 60/70 places, 62/73 transitions.
[2025-06-05 18:14:58] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:58] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:58] [INFO ] Input system was already deterministic with 62 transitions.
[2025-06-05 18:14:58] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:58] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:14:58] [INFO ] Time to serialize gal into /tmp/CTLFireability14481872789073932970.gal : 1 ms
[2025-06-05 18:14:58] [INFO ] Time to serialize properties into /tmp/CTLFireability629463105528457858.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14481872789073932970.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability629463105528457858.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.109464,9108,2,1921,5,21342,6,0,302,13336,0


Converting to forward existential form...Done !
original formula: AX(AF((((s1>=1)&&(l202>=1)) * (A(((s1>=1)&&(l234>=1)) U ((p13>=1)&&(l0>=1))) + ((s2>=1)&&(l128>=1))))))
=> equivalent forward existential formula: [FwdG(EY(Init),!((((s1>=1)&&(l202>=1)) * (!((E(!(((p13>=1)&&(l0>=1))) U (!(((s1>=1)&&(l234>=1))) * !(((p13>=1)&&...233
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t57, t59, t61, Intersection...240
(forward)formula 0,0,1.23435,54428,1,0,637,282699,155,273,2037,169556,818
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-05 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in SI_CTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 63 transition count 66
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 62 transition count 65
Applied a total of 16 rules in 10 ms. Remains 62 /70 variables (removed 8) and now considering 65/73 (removed 8) transitions.
// Phase 1: matrix 65 rows 62 cols
[2025-06-05 18:15:00] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:00] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-05 18:15:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:00] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 18:15:00] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:15:00] [INFO ] Redundant transitions in 1 ms returned []
Running 64 sub problems to find dead transitions.
[2025-06-05 18:15:00] [INFO ] Invariant cache hit.
[2025-06-05 18:15:00] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 1/62 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:00] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:00] [INFO ] Deduced a trap composed of 20 places in 25 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:01] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:01] [INFO ] Deduced a trap composed of 12 places in 40 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:01] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:01] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/62 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/62 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (OVERLAPS) 65/127 variables, 62/73 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/127 variables, 26/99 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:02] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:02] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:02] [INFO ] Deduced a trap composed of 20 places in 31 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:02] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:02] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:02] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/127 variables, 6/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/127 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 20 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 20 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 21 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 21 places in 31 ms of which 3 ms to minimize.
At refinement iteration 13 (OVERLAPS) 0/127 variables, 9/114 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:03] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 2 ms to minimize.
At refinement iteration 14 (INCLUDED_ONLY) 0/127 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:04] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:04] [INFO ] Deduced a trap composed of 20 places in 36 ms of which 2 ms to minimize.
At refinement iteration 15 (INCLUDED_ONLY) 0/127 variables, 2/117 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/127 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 17 (OVERLAPS) 0/127 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 127/127 variables, and 117 constraints, problems are : Problem set: 0 solved, 64 unsolved in 4919 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (OVERLAPS) 1/62 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 22/29 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 65/127 variables, 62/91 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/127 variables, 26/117 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/127 variables, 64/181 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:07] [INFO ] Deduced a trap along path composed of 4 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:08] [INFO ] Deduced a trap along path composed of 3 places in 20 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/127 variables, 2/183 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/127 variables, 0/183 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:14] [INFO ] Deduced a trap along path composed of 9 places in 16 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/127 variables, 1/184 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/127 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 14 (OVERLAPS) 0/127 variables, 0/184 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 127/127 variables, and 184 constraints, problems are : Problem set: 0 solved, 64 unsolved in 17729 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 24/24 constraints, Known Traps Along Path: 3/3 constraints]
After SMT, in 22663ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 22663ms
Starting structural reductions in SI_CTL mode, iteration 1 : 62/70 places, 65/73 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 22850 ms. Remains : 62/70 places, 65/73 transitions.
[2025-06-05 18:15:23] [INFO ] Flatten gal took : 9 ms
[2025-06-05 18:15:23] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:23] [INFO ] Input system was already deterministic with 65 transitions.
[2025-06-05 18:15:23] [INFO ] Flatten gal took : 5 ms
[2025-06-05 18:15:23] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:23] [INFO ] Time to serialize gal into /tmp/CTLFireability14974764556423559930.gal : 0 ms
[2025-06-05 18:15:23] [INFO ] Time to serialize properties into /tmp/CTLFireability2817320605129218265.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14974764556423559930.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2817320605129218265.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19805,0.117863,9276,2,2036,5,20534,6,0,313,13274,0


Converting to forward existential form...Done !
original formula: (EF(((s1>=1)&&(l41>=1))) * EG(((!(E(((s1>=1)&&(l0>=1)) U ((s5>=1)&&(l33>=1)))) + EG(((p17<1)||(l0<1)))) + ((((E(((p11>=1)&&(l0>=1)) U ((s...315
=> equivalent forward existential formula: [FwdG((Init * E(TRUE U ((s1>=1)&&(l41>=1)))),((!(E(((s1>=1)&&(l0>=1)) U ((s5>=1)&&(l33>=1)))) + EG(((p17<1)||(l0...364
Reverse transition relation is NOT exact ! Due to transitions t42, t46, t47, t48, t49, t50, t51, t52, t54, t55, t56, t57, t58, t59, t60, t62, t64, Interse...245
(forward)formula 0,1,1.22169,48624,1,0,422,229752,178,183,2137,156281,518
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 61 transition count 64
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 61 transition count 64
Applied a total of 18 rules in 6 ms. Remains 61 /70 variables (removed 9) and now considering 64/73 (removed 9) transitions.
// Phase 1: matrix 64 rows 61 cols
[2025-06-05 18:15:24] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:24] [INFO ] Implicit Places using invariants in 59 ms returned []
[2025-06-05 18:15:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:24] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 18:15:24] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
Running 63 sub problems to find dead transitions.
[2025-06-05 18:15:24] [INFO ] Invariant cache hit.
[2025-06-05 18:15:24] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (OVERLAPS) 1/61 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 12 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/61 variables, 8/13 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 64/125 variables, 61/75 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 26/101 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:25] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:26] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:26] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:26] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:26] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:26] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:26] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/125 variables, 7/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/125 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (OVERLAPS) 0/125 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Real declared 125/125 variables, and 108 constraints, problems are : Problem set: 0 solved, 63 unsolved in 2666 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 6/10 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 7 (OVERLAPS) 64/125 variables, 61/82 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/125 variables, 26/108 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/125 variables, 63/171 constraints. Problems are: Problem set: 0 solved, 63 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:30] [INFO ] Deduced a trap along path composed of 4 places in 20 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:30] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/125 variables, 2/173 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/125 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 63 unsolved
At refinement iteration 12 (OVERLAPS) 0/125 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 63 unsolved
No progress, stopping.
After SMT solving in domain Int declared 125/125 variables, and 173 constraints, problems are : Problem set: 0 solved, 63 unsolved in 9849 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 63/63 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 12530ms problems are : Problem set: 0 solved, 63 unsolved
Search for dead transitions found 0 dead transitions in 12530ms
Starting structural reductions in LTL mode, iteration 1 : 61/70 places, 64/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 12707 ms. Remains : 61/70 places, 64/73 transitions.
[2025-06-05 18:15:37] [INFO ] Flatten gal took : 9 ms
[2025-06-05 18:15:37] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:37] [INFO ] Input system was already deterministic with 64 transitions.
[2025-06-05 18:15:37] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:37] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:15:37] [INFO ] Time to serialize gal into /tmp/CTLFireability14167389278817925010.gal : 1 ms
[2025-06-05 18:15:37] [INFO ] Time to serialize properties into /tmp/CTLFireability1504290110590497741.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14167389278817925010.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1504290110590497741.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19961,0.113624,9128,2,1837,5,20833,6,0,308,13434,0


Converting to forward existential form...Done !
original formula: AF((((s0>=1)&&(l0>=1)) * ((AG(EX(((s6>=1)&&(l0>=1)))) + ((s1>=1)&&(l205>=1))) + ((s1>=1)&&(l202>=1)))))
=> equivalent forward existential formula: [FwdG(Init,!((((s0>=1)&&(l0>=1)) * ((!(E(TRUE U !(EX(((s6>=1)&&(l0>=1)))))) + ((s1>=1)&&(l205>=1))) + ((s1>=1)&&...178
Reverse transition relation is NOT exact ! Due to transitions t42, t46, t47, t48, t49, t50, t51, t52, t53, t55, t56, t57, t58, t59, t61, t63, Intersection...240
(forward)formula 0,0,0.538787,24596,1,0,165,87825,156,65,2108,63288,195
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 61 transition count 64
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 59 transition count 61
Applied a total of 23 rules in 10 ms. Remains 59 /70 variables (removed 11) and now considering 61/73 (removed 12) transitions.
// Phase 1: matrix 61 rows 59 cols
[2025-06-05 18:15:37] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:37] [INFO ] Implicit Places using invariants in 43 ms returned []
[2025-06-05 18:15:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:37] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:15:37] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-05 18:15:37] [INFO ] Invariant cache hit.
[2025-06-05 18:15:37] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:38] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:38] [INFO ] Deduced a trap composed of 18 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:38] [INFO ] Deduced a trap composed of 18 places in 24 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:38] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:38] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:38] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 18 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 10 places in 43 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:39] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 3055 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:42] [INFO ] Deduced a trap along path composed of 14 places in 23 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7966 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11036ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11037ms
Starting structural reductions in LTL mode, iteration 1 : 59/70 places, 61/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 11195 ms. Remains : 59/70 places, 61/73 transitions.
[2025-06-05 18:15:48] [INFO ] Flatten gal took : 6 ms
[2025-06-05 18:15:48] [INFO ] Flatten gal took : 5 ms
[2025-06-05 18:15:48] [INFO ] Input system was already deterministic with 61 transitions.
[2025-06-05 18:15:48] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:48] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:15:48] [INFO ] Time to serialize gal into /tmp/CTLFireability12816243411148650367.gal : 0 ms
[2025-06-05 18:15:48] [INFO ] Time to serialize properties into /tmp/CTLFireability16508178879040015253.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12816243411148650367.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16508178879040015253.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.113149,9100,2,1685,5,20895,6,0,297,12216,0


Converting to forward existential form...Done !
original formula: AX(FALSE)
=> equivalent forward existential formula: [(EY(Init) * !(FALSE))] = FALSE
(forward)formula 0,0,0.11399,9100,1,0,6,20895,7,1,399,12216,1
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 63 transition count 66
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 62 transition count 65
Applied a total of 16 rules in 2 ms. Remains 62 /70 variables (removed 8) and now considering 65/73 (removed 8) transitions.
// Phase 1: matrix 65 rows 62 cols
[2025-06-05 18:15:48] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:49] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-05 18:15:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:15:49] [INFO ] State equation strengthened by 27 read => feed constraints.
[2025-06-05 18:15:49] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
Running 64 sub problems to find dead transitions.
[2025-06-05 18:15:49] [INFO ] Invariant cache hit.
[2025-06-05 18:15:49] [INFO ] State equation strengthened by 27 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (OVERLAPS) 1/62 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:49] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:49] [INFO ] Deduced a trap composed of 11 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:49] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:49] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:49] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:49] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/62 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (OVERLAPS) 65/127 variables, 62/73 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/127 variables, 27/100 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:50] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 2 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/127 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/127 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:51] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:51] [INFO ] Deduced a trap composed of 19 places in 31 ms of which 5 ms to minimize.
At refinement iteration 10 (OVERLAPS) 0/127 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:51] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:51] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 2 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/127 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/127 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 13 (OVERLAPS) 0/127 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Real declared 127/127 variables, and 105 constraints, problems are : Problem set: 0 solved, 64 unsolved in 3265 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/61 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 4 (OVERLAPS) 1/62 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/62 variables, 9/16 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/62 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 7 (OVERLAPS) 65/127 variables, 62/78 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/127 variables, 27/105 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/127 variables, 64/169 constraints. Problems are: Problem set: 0 solved, 64 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:15:54] [INFO ] Deduced a trap along path composed of 4 places in 18 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/127 variables, 1/170 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/127 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 64 unsolved
At refinement iteration 12 (OVERLAPS) 0/127 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 64 unsolved
No progress, stopping.
After SMT solving in domain Int declared 127/127 variables, and 170 constraints, problems are : Problem set: 0 solved, 64 unsolved in 7497 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 62/62 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 64/64 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 10777ms problems are : Problem set: 0 solved, 64 unsolved
Search for dead transitions found 0 dead transitions in 10777ms
Starting structural reductions in LTL mode, iteration 1 : 62/70 places, 65/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10934 ms. Remains : 62/70 places, 65/73 transitions.
[2025-06-05 18:15:59] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:59] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:59] [INFO ] Input system was already deterministic with 65 transitions.
[2025-06-05 18:15:59] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:15:59] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:15:59] [INFO ] Time to serialize gal into /tmp/CTLFireability16466453975419494004.gal : 1 ms
[2025-06-05 18:15:59] [INFO ] Time to serialize properties into /tmp/CTLFireability6593251225832321551.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16466453975419494004.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6593251225832321551.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,24495,0.119867,9232,2,1899,5,20977,6,0,313,13283,0


Converting to forward existential form...Done !
original formula: A((AF(!(AF(!(((s1>=1)&&(l206>=1)))))) + ((p11>=1)&&(l0>=1))) U AX(A(((!(((s1>=1)&&(l3>=1))||((s1>=1)&&(l202>=1))))||(((s1>=1)&&(l234>=1))...268
=> equivalent forward existential formula: [((Init * !(EG(!(!(EX(!(!((E(!((!(EG(!(((s1>=1)&&(l204>=1))))) * (!(E(TRUE U !(((s1>=1)&&(l202>=1))))) + EX(((s1...1488
Reverse transition relation is NOT exact ! Due to transitions t32, t43, t47, t48, t49, t50, t51, t52, t53, t55, t56, t57, t58, t59, t60, t62, t64, Interse...245
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,0,1.80313,68752,1,0,987,374510,179,586,2153,287705,1255
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 63 transition count 66
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 63 transition count 66
Applied a total of 14 rules in 3 ms. Remains 63 /70 variables (removed 7) and now considering 66/73 (removed 7) transitions.
// Phase 1: matrix 66 rows 63 cols
[2025-06-05 18:16:01] [INFO ] Computed 5 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:01] [INFO ] Implicit Places using invariants in 39 ms returned []
[2025-06-05 18:16:01] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:01] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-05 18:16:01] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
Running 65 sub problems to find dead transitions.
[2025-06-05 18:16:01] [INFO ] Invariant cache hit.
[2025-06-05 18:16:01] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (OVERLAPS) 1/63 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/63 variables, 3/8 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:02] [INFO ] Deduced a trap composed of 19 places in 36 ms of which 2 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/63 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (OVERLAPS) 66/129 variables, 63/74 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 28/102 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/129 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 27 places in 33 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 18 places in 38 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:03] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:04] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 5 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/129 variables, 5/107 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:04] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 5 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/129 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/129 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 14 (OVERLAPS) 0/129 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Real declared 129/129 variables, and 108 constraints, problems are : Problem set: 0 solved, 65 unsolved in 3368 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/62 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/62 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/62 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/62 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 4 (OVERLAPS) 1/63 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/63 variables, 11/17 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/63 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 7 (OVERLAPS) 66/129 variables, 63/80 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/129 variables, 28/108 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/129 variables, 65/173 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:07] [INFO ] Deduced a trap along path composed of 3 places in 22 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/129 variables, 1/174 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/129 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 65 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:11] [INFO ] Deduced a trap along path composed of 9 places in 19 ms of which 0 ms to minimize.
At refinement iteration 12 (OVERLAPS) 0/129 variables, 1/175 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/129 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 65 unsolved
At refinement iteration 14 (OVERLAPS) 0/129 variables, 0/175 constraints. Problems are: Problem set: 0 solved, 65 unsolved
No progress, stopping.
After SMT solving in domain Int declared 129/129 variables, and 175 constraints, problems are : Problem set: 0 solved, 65 unsolved in 14751 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 63/63 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 65/65 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 18139ms problems are : Problem set: 0 solved, 65 unsolved
Search for dead transitions found 0 dead transitions in 18139ms
Starting structural reductions in LTL mode, iteration 1 : 63/70 places, 66/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 18292 ms. Remains : 63/70 places, 66/73 transitions.
[2025-06-05 18:16:20] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:16:20] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:16:20] [INFO ] Input system was already deterministic with 66 transitions.
[2025-06-05 18:16:20] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:16:20] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:16:20] [INFO ] Time to serialize gal into /tmp/CTLFireability7383655672682679704.gal : 1 ms
[2025-06-05 18:16:20] [INFO ] Time to serialize properties into /tmp/CTLFireability7446749782696873948.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability7383655672682679704.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7446749782696873948.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19969,0.135137,10432,2,2066,5,23346,6,0,318,15429,0


Converting to forward existential form...Done !
original formula: (AF(((((s1>=1)&&(l236>=1))||((s9>=1)&&(l89>=1)))&&((s1<1)||(l234<1)))) * AX(((((((((s1<1)||(l86<1))||((s1<1)||(l30<1)))||((s1>=1)&&(l42>=...305
=> equivalent forward existential formula: ([FwdG(Init,!(((((s1>=1)&&(l236>=1))||((s9>=1)&&(l89>=1)))&&((s1<1)||(l234<1)))))] = FALSE * (([(((EY(Init) * !(...469
Reverse transition relation is NOT exact ! Due to transitions t1, t6, t7, t10, t24, t44, t48, t49, t50, t51, t52, t53, t54, t55, t57, t58, t59, t60, t61, t...262
Hit Full ! (commute/partial/dont) 2/0/64
(forward)formula 0,0,0.592206,27964,1,0,196,101766,174,77,2202,78248,211
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 63 transition count 66
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 63 transition count 66
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 62 transition count 65
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 61 transition count 64
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 61 transition count 63
Applied a total of 19 rules in 9 ms. Remains 61 /70 variables (removed 9) and now considering 63/73 (removed 10) transitions.
// Phase 1: matrix 63 rows 61 cols
[2025-06-05 18:16:20] [INFO ] Computed 5 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:20] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-05 18:16:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:20] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 18:16:20] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 185 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-05 18:16:20] [INFO ] Invariant cache hit.
[2025-06-05 18:16:20] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 19 places in 27 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 19 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:21] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 5/13 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 63/124 variables, 61/74 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 26/100 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 28 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 20 places in 34 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 20 places in 32 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:22] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 7/107 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:23] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 5 ms to minimize.
At refinement iteration 11 (OVERLAPS) 0/124 variables, 1/108 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/124 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 13 (OVERLAPS) 0/124 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 124/124 variables, and 108 constraints, problems are : Problem set: 0 solved, 62 unsolved in 3504 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/60 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (OVERLAPS) 1/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/61 variables, 12/21 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/61 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 63/124 variables, 61/82 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/124 variables, 26/108 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/124 variables, 62/170 constraints. Problems are: Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:26] [INFO ] Deduced a trap along path composed of 4 places in 24 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:26] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/124 variables, 2/172 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/124 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 12 (OVERLAPS) 0/124 variables, 0/172 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 124/124 variables, and 172 constraints, problems are : Problem set: 0 solved, 62 unsolved in 7096 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 61/61 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 10611ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 10611ms
Starting structural reductions in LTL mode, iteration 1 : 61/70 places, 63/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 10807 ms. Remains : 61/70 places, 63/73 transitions.
[2025-06-05 18:16:31] [INFO ] Flatten gal took : 9 ms
[2025-06-05 18:16:31] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:16:31] [INFO ] Input system was already deterministic with 63 transitions.
[2025-06-05 18:16:31] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:16:31] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:16:31] [INFO ] Time to serialize gal into /tmp/CTLFireability11594172292726919525.gal : 0 ms
[2025-06-05 18:16:31] [INFO ] Time to serialize properties into /tmp/CTLFireability13212147045580088105.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability11594172292726919525.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13212147045580088105.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19189,0.114639,9248,2,1862,5,21246,6,0,307,13220,0


Converting to forward existential form...Done !
original formula: EX((EF(AG(((s1<1)||(l21<1)))) + ((p13>=1)&&(l0>=1))))
=> equivalent forward existential formula: ([(FwdU(EY(Init),TRUE) * !(E(TRUE U !(((s1<1)||(l21<1))))))] != FALSE + [(EY(Init) * ((p13>=1)&&(l0>=1)))] != FA...159
Reverse transition relation is NOT exact ! Due to transitions t1, t6, t21, t41, t45, t46, t47, t48, t49, t50, t51, t53, t54, t55, t56, t57, t58, t60, t62, ...253
(forward)formula 0,1,0.347364,18464,1,0,126,56720,149,62,2093,34669,142
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2025-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 61 transition count 64
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 59 transition count 61
Applied a total of 23 rules in 13 ms. Remains 59 /70 variables (removed 11) and now considering 61/73 (removed 12) transitions.
// Phase 1: matrix 61 rows 59 cols
[2025-06-05 18:16:31] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:31] [INFO ] Implicit Places using invariants in 36 ms returned []
[2025-06-05 18:16:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:31] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:16:32] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 134 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:16:32] [INFO ] Redundant transitions in 1 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:16:32] [INFO ] Invariant cache hit.
[2025-06-05 18:16:32] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:32] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:32] [INFO ] Deduced a trap composed of 18 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:32] [INFO ] Deduced a trap composed of 18 places in 31 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:32] [INFO ] Deduced a trap composed of 18 places in 36 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:32] [INFO ] Deduced a trap composed of 18 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:32] [INFO ] Deduced a trap composed of 18 places in 23 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 19 places in 32 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 19 places in 35 ms of which 4 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:33] [INFO ] Deduced a trap composed of 10 places in 39 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2978 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:37] [INFO ] Deduced a trap along path composed of 14 places in 25 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7910 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 10899ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 10899ms
Starting structural reductions in SI_CTL mode, iteration 1 : 59/70 places, 61/73 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 11052 ms. Remains : 59/70 places, 61/73 transitions.
[2025-06-05 18:16:42] [INFO ] Flatten gal took : 8 ms
[2025-06-05 18:16:42] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:16:42] [INFO ] Input system was already deterministic with 61 transitions.
[2025-06-05 18:16:42] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:16:42] [INFO ] Flatten gal took : 3 ms
[2025-06-05 18:16:42] [INFO ] Time to serialize gal into /tmp/CTLFireability16242041709957532053.gal : 1 ms
[2025-06-05 18:16:42] [INFO ] Time to serialize properties into /tmp/CTLFireability962462538773869183.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability16242041709957532053.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability962462538773869183.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.110755,9092,2,1685,5,20895,6,0,297,12216,0


Converting to forward existential form...Done !
original formula: EF((AF((((s1<1)||(l62<1)) * EG(((s1<1)||(l66<1))))) * ((s1<1)||(l126<1))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * ((s1<1)||(l126<1))) * !(EG(!((((s1<1)||(l62<1)) * EG(((s1<1)||(l66<1))))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t40, t44, t45, t46, t47, t48, t49, t50, t52, t53, t54, t55, t56, t58, t60, Intersection with...235
Using saturation style SCC detection
(forward)formula 0,1,1.03233,45680,1,0,660,249471,152,279,1995,151824,799
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 61 transition count 64
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 21 place count 59 transition count 62
Iterating global reduction 0 with 1 rules applied. Total rules applied 22 place count 59 transition count 62
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 23 place count 59 transition count 61
Applied a total of 23 rules in 12 ms. Remains 59 /70 variables (removed 11) and now considering 61/73 (removed 12) transitions.
[2025-06-05 18:16:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:44] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-05 18:16:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:44] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:16:44] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:16:44] [INFO ] Redundant transitions in 1 ms returned []
Running 60 sub problems to find dead transitions.
[2025-06-05 18:16:44] [INFO ] Invariant cache hit.
[2025-06-05 18:16:44] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 1/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:44] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:44] [INFO ] Deduced a trap composed of 18 places in 25 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:44] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:44] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/59 variables, 4/9 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:44] [INFO ] Deduced a trap composed of 18 places in 35 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:44] [INFO ] Deduced a trap composed of 18 places in 32 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/70 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/95 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 19 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 18 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 8 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 7/102 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:45] [INFO ] Deduced a trap composed of 10 places in 42 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:46] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 4 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 120/120 variables, and 104 constraints, problems are : Problem set: 0 solved, 60 unsolved in 2998 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/58 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/58 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (OVERLAPS) 1/59 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/59 variables, 12/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/59 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 61/120 variables, 59/79 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/120 variables, 25/104 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/120 variables, 60/164 constraints. Problems are: Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:49] [INFO ] Deduced a trap along path composed of 14 places in 18 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/120 variables, 1/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 12 (OVERLAPS) 0/120 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 120/120 variables, and 165 constraints, problems are : Problem set: 0 solved, 60 unsolved in 7999 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 59/59 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 15/15 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 11009ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 11009ms
Starting structural reductions in SI_CTL mode, iteration 1 : 59/70 places, 61/73 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 11159 ms. Remains : 59/70 places, 61/73 transitions.
[2025-06-05 18:16:55] [INFO ] Flatten gal took : 12 ms
[2025-06-05 18:16:55] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:16:55] [INFO ] Input system was already deterministic with 61 transitions.
[2025-06-05 18:16:55] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:16:55] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:16:55] [INFO ] Time to serialize gal into /tmp/CTLFireability9508639782547482136.gal : 0 ms
[2025-06-05 18:16:55] [INFO ] Time to serialize properties into /tmp/CTLFireability6171298155085233737.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9508639782547482136.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability6171298155085233737.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.11304,8972,2,1685,5,20895,6,0,297,12216,0


Converting to forward existential form...Done !
original formula: AG(AF(((s1>=1)&&(l20>=1))))
=> equivalent forward existential formula: [FwdG(FwdU(Init,TRUE),!(((s1>=1)&&(l20>=1))))] = FALSE
Hit Full ! (commute/partial/dont) 2/0/59
(forward)formula 0,0,0.323512,16012,1,0,54,53075,20,3,1553,34654,53
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

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

Starting structural reductions in SI_CTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 62 transition count 65
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 60 transition count 62
Applied a total of 21 rules in 15 ms. Remains 60 /70 variables (removed 10) and now considering 62/73 (removed 11) transitions.
// Phase 1: matrix 62 rows 60 cols
[2025-06-05 18:16:55] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:55] [INFO ] Implicit Places using invariants in 44 ms returned []
[2025-06-05 18:16:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:16:55] [INFO ] State equation strengthened by 25 read => feed constraints.
[2025-06-05 18:16:55] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 18:16:55] [INFO ] Redundant transitions in 1 ms returned []
Running 61 sub problems to find dead transitions.
[2025-06-05 18:16:55] [INFO ] Invariant cache hit.
[2025-06-05 18:16:55] [INFO ] State equation strengthened by 25 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:55] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 11 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 19 places in 29 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 19 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 19 places in 28 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 6/12 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (OVERLAPS) 62/122 variables, 60/72 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 25/97 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:56] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap composed of 19 places in 37 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap composed of 20 places in 39 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap composed of 20 places in 40 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap composed of 20 places in 42 ms of which 5 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 7/104 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap composed of 11 places in 46 ms of which 5 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:57] [INFO ] Deduced a trap composed of 19 places in 34 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 13 (OVERLAPS) 0/122 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 106 constraints, problems are : Problem set: 0 solved, 61 unsolved in 3312 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 5/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 11/21 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:16:59] [INFO ] Deduced a trap composed of 19 places in 30 ms of which 3 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 1/22 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/60 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (OVERLAPS) 62/122 variables, 60/82 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 25/107 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 61/168 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:01] [INFO ] Deduced a trap along path composed of 3 places in 29 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:01] [INFO ] Deduced a trap along path composed of 9 places in 21 ms of which 0 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 2/170 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 13 (OVERLAPS) 0/122 variables, 0/170 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 170 constraints, problems are : Problem set: 0 solved, 61 unsolved in 7006 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 17/17 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 10329ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 10330ms
Starting structural reductions in SI_CTL mode, iteration 1 : 60/70 places, 62/73 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 10493 ms. Remains : 60/70 places, 62/73 transitions.
[2025-06-05 18:17:05] [INFO ] Flatten gal took : 8 ms
[2025-06-05 18:17:06] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:17:06] [INFO ] Input system was already deterministic with 62 transitions.
[2025-06-05 18:17:06] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:17:06] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:17:06] [INFO ] Time to serialize gal into /tmp/CTLFireability2686496244295687018.gal : 1 ms
[2025-06-05 18:17:06] [INFO ] Time to serialize properties into /tmp/CTLFireability5497007340183857680.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability2686496244295687018.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5497007340183857680.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19185,0.129786,9868,2,1757,5,25764,6,0,302,14593,0


Converting to forward existential form...Done !
original formula: EG(((p19<1)||(l0<1)))
=> equivalent forward existential formula: [FwdG(Init,((p19<1)||(l0<1)))] != FALSE
Hit Full ! (commute/partial/dont) 43/0/19
(forward)formula 0,1,0.661609,29284,1,0,55,108386,19,3,1573,74950,53
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-14 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 70/70 places, 73/73 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 62 transition count 65
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 62 transition count 65
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 61 transition count 64
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 61 transition count 64
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 19 place count 60 transition count 63
Iterating global reduction 0 with 1 rules applied. Total rules applied 20 place count 60 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 21 place count 60 transition count 62
Applied a total of 21 rules in 2 ms. Remains 60 /70 variables (removed 10) and now considering 62/73 (removed 11) transitions.
// Phase 1: matrix 62 rows 60 cols
[2025-06-05 18:17:06] [INFO ] Computed 5 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:06] [INFO ] Implicit Places using invariants in 42 ms returned []
[2025-06-05 18:17:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 18:17:06] [INFO ] State equation strengthened by 26 read => feed constraints.
[2025-06-05 18:17:06] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
Running 61 sub problems to find dead transitions.
[2025-06-05 18:17:06] [INFO ] Invariant cache hit.
[2025-06-05 18:17:06] [INFO ] State equation strengthened by 26 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (OVERLAPS) 1/60 variables, 1/5 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 10 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 10 places in 31 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 26 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 27 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:07] [INFO ] Deduced a trap composed of 18 places in 30 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/60 variables, 6/11 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (OVERLAPS) 62/122 variables, 60/71 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/122 variables, 26/97 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (OVERLAPS) 0/122 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 97 constraints, problems are : Problem set: 0 solved, 61 unsolved in 2060 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/59 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/59 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/59 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/59 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 4 (OVERLAPS) 1/60 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 7 (OVERLAPS) 62/122 variables, 60/71 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/122 variables, 26/97 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/122 variables, 61/158 constraints. Problems are: Problem set: 0 solved, 61 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 18:17:10] [INFO ] Deduced a trap along path composed of 4 places in 22 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 61 unsolved
At refinement iteration 12 (OVERLAPS) 0/122 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 61 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 159 constraints, problems are : Problem set: 0 solved, 61 unsolved in 6352 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 3/3 constraints, State Equation: 60/60 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 61/61 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 8423ms problems are : Problem set: 0 solved, 61 unsolved
Search for dead transitions found 0 dead transitions in 8423ms
Starting structural reductions in LTL mode, iteration 1 : 60/70 places, 62/73 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 8549 ms. Remains : 60/70 places, 62/73 transitions.
[2025-06-05 18:17:15] [INFO ] Flatten gal took : 9 ms
[2025-06-05 18:17:15] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:17:15] [INFO ] Input system was already deterministic with 62 transitions.
[2025-06-05 18:17:15] [INFO ] Flatten gal took : 2 ms
[2025-06-05 18:17:15] [INFO ] Flatten gal took : 1 ms
[2025-06-05 18:17:15] [INFO ] Time to serialize gal into /tmp/CTLFireability6723528633083576732.gal : 0 ms
[2025-06-05 18:17:15] [INFO ] Time to serialize properties into /tmp/CTLFireability11846800309757944197.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability6723528633083576732.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11846800309757944197.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,19191,0.086428,8212,2,1825,5,16754,6,0,302,11015,0


Converting to forward existential form...Done !
original formula: EF((EX(((s1>=1)&&(l66>=1))) * AG(((s1<1)||(l30<1)))))
=> equivalent forward existential formula: [((FwdU(Init,TRUE) * EX(((s1>=1)&&(l66>=1)))) * !(E(TRUE U !(((s1<1)||(l30<1))))))] != FALSE
Reverse transition relation is NOT exact ! Due to transitions t1, t7, t10, t41, t45, t46, t47, t48, t49, t50, t51, t53, t54, t55, t56, t57, t59, t61, Inte...248
(forward)formula 0,1,0.45555,23692,1,0,156,102235,147,78,1993,64941,177
FORMULA SieveSingleMsgMbox-PT-d0m06-CTLFireability-2023-15 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

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

[2025-06-05 18:17:15] [INFO ] Flatten gal took : 7 ms
[2025-06-05 18:17:15] [INFO ] Flatten gal took : 2 ms
Total runtime 251169 ms.

BK_STOP 1749147435778

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

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

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SieveSingleMsgMbox-PT-d0m06"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is SieveSingleMsgMbox-PT-d0m06, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r212-tall-174901994200362"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SieveSingleMsgMbox-PT-d0m06.tgz
mv SieveSingleMsgMbox-PT-d0m06 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "CTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;