Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r207-tall-177969919800093.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool gold2025
Input is Peterson-PT-7, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r207-tall-177969919800093
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.8M
-rw-r--r-- 1 mcc users 303K Mar 8 07:08 CTLCardinality.txt
-rw-r--r-- 1 mcc users 1.2M Mar 8 07:08 CTLCardinality.xml
-rw-r--r-- 1 mcc users 183K Mar 8 07:08 CTLFireability.txt
-rw-r--r-- 1 mcc users 822K Mar 8 07:08 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 123K Mar 16 08:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 365K Mar 16 08:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 148K Mar 16 08:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 482K Mar 16 08:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 411K Mar 8 07:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 1.6M Mar 8 07:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 519K Mar 8 07:09 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 2.3M Mar 8 07:09 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 16 08:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 42K Mar 16 08:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 2 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.3M Mar 3 18:30 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME Peterson-PT-7-UpperBounds-00
FORMULA_NAME Peterson-PT-7-UpperBounds-01
FORMULA_NAME Peterson-PT-7-UpperBounds-02
FORMULA_NAME Peterson-PT-7-UpperBounds-03
FORMULA_NAME Peterson-PT-7-UpperBounds-04
FORMULA_NAME Peterson-PT-7-UpperBounds-05
FORMULA_NAME Peterson-PT-7-UpperBounds-06
FORMULA_NAME Peterson-PT-7-UpperBounds-07
FORMULA_NAME Peterson-PT-7-UpperBounds-08
FORMULA_NAME Peterson-PT-7-UpperBounds-09
FORMULA_NAME Peterson-PT-7-UpperBounds-10
FORMULA_NAME Peterson-PT-7-UpperBounds-11
FORMULA_NAME Peterson-PT-7-UpperBounds-12
FORMULA_NAME Peterson-PT-7-UpperBounds-13
FORMULA_NAME Peterson-PT-7-UpperBounds-14
FORMULA_NAME Peterson-PT-7-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779720706995

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Peterson-PT-7
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 14:51:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 14:51:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 14:51:48] [INFO ] Load time of PNML (sax parser for PT used): 169 ms
[2026-05-25 14:51:48] [INFO ] Transformed 1992 places.
[2026-05-25 14:51:48] [INFO ] Transformed 3096 transitions.
[2026-05-25 14:51:48] [INFO ] Found NUPN structural information;
[2026-05-25 14:51:48] [INFO ] Parsed PT model containing 1992 places and 3096 transitions and 9584 arcs in 275 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 14 ms.
Reduction of identical properties reduced properties to check from 16 to 15
FORMULA Peterson-PT-7-UpperBounds-00 7 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 8, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0] Max Struct:[8, 8, 448, 56, 392, 56, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA Peterson-PT-7-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-PT-7-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-PT-7-UpperBounds-07 8 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Peterson-PT-7-UpperBounds-02 8 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 448, 56, 392, 56, 1, 1, 1, 1, 1, 1]
[2026-05-25 14:51:48] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
// Phase 1: matrix 2760 rows 1992 cols
[2026-05-25 14:51:48] [INFO ] Computed 31 invariants in 47 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[8, 448, 56, 392, 56, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 208 ms. (47 steps per ms)
FORMULA Peterson-PT-7-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-7-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-7-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Peterson-PT-7-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70007 steps (14 resets) in 317 ms. (220 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 3, 7, 8, 8, 0, 0] Max Struct:[8, 448, 56, 392, 56, 1, 1]
[2026-05-25 14:51:49] [INFO ] Flow matrix only has 2760 transitions (discarded 336 similar events)
[2026-05-25 14:51:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:51:49] [INFO ] [Real]Absence check using 23 positive place invariants in 65 ms returned sat
[2026-05-25 14:51:49] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:51:50] [INFO ] [Real]Absence check using state equation in 768 ms returned sat
[2026-05-25 14:51:50] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:51:50] [INFO ] [Real]Added 497 Read/Feed constraints in 153 ms returned sat
[2026-05-25 14:51:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:51:51] [INFO ] [Nat]Absence check using 23 positive place invariants in 61 ms returned sat
[2026-05-25 14:51:51] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:51:52] [INFO ] [Nat]Absence check using state equation in 705 ms returned sat
[2026-05-25 14:51:52] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 14:51:53] [INFO ] [Nat]Added 497 Read/Feed constraints in 1032 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:51:53] [INFO ] [Real]Absence check using 23 positive place invariants in 52 ms returned sat
[2026-05-25 14:51:53] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 14:51:54] [INFO ] [Real]Absence check using state equation in 773 ms returned sat
[2026-05-25 14:51:54] [INFO ] [Real]Added 497 Read/Feed constraints in 62 ms returned sat
[2026-05-25 14:51:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:51:54] [INFO ] [Nat]Absence check using 23 positive place invariants in 58 ms returned sat
[2026-05-25 14:51:54] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 14:51:55] [INFO ] [Nat]Absence check using state equation in 803 ms returned sat
[2026-05-25 14:51:56] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 14:51:56] [INFO ] [Nat]Added 497 Read/Feed constraints in 933 ms returned sat
[2026-05-25 14:51:56] [INFO ] Computed and/alt/rep : 2640/5840/2640 causal constraints (skipped 112 transitions) in 142 ms.
[2026-05-25 14:51:58] [INFO ] Added : 20 causal constraints over 4 iterations in 1850 ms. Result :unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:51:59] [INFO ] [Real]Absence check using 23 positive place invariants in 58 ms returned sat
[2026-05-25 14:51:59] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:52:00] [INFO ] [Real]Absence check using state equation in 1196 ms returned sat
[2026-05-25 14:52:00] [INFO ] [Real]Added 497 Read/Feed constraints in 326 ms returned sat
[2026-05-25 14:52:00] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:52:01] [INFO ] [Nat]Absence check using 23 positive place invariants in 76 ms returned sat
[2026-05-25 14:52:01] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:52:02] [INFO ] [Nat]Absence check using state equation in 1133 ms returned sat
[2026-05-25 14:52:02] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 14:52:03] [INFO ] [Nat]Added 497 Read/Feed constraints in 1031 ms returned unknown
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:52:03] [INFO ] [Real]Absence check using 23 positive place invariants in 53 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:52:03] [INFO ] [Real]Absence check using 23 positive place invariants in 54 ms returned unsat
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:52:04] [INFO ] [Real]Absence check using 23 positive place invariants in 58 ms returned sat
[2026-05-25 14:52:04] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 5 ms returned sat
[2026-05-25 14:52:05] [INFO ] [Real]Absence check using state equation in 741 ms returned sat
[2026-05-25 14:52:05] [INFO ] [Real]Added 497 Read/Feed constraints in 69 ms returned sat
[2026-05-25 14:52:05] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:52:05] [INFO ] [Nat]Absence check using 23 positive place invariants in 59 ms returned sat
[2026-05-25 14:52:05] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 14:52:06] [INFO ] [Nat]Absence check using state equation in 718 ms returned sat
[2026-05-25 14:52:06] [INFO ] [Nat]Added 497 Read/Feed constraints in 70 ms returned sat
[2026-05-25 14:52:06] [INFO ] Computed and/alt/rep : 2640/5840/2640 causal constraints (skipped 112 transitions) in 125 ms.
Maximisation of solution failed !
Minimization took 0 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:52:10] [INFO ] [Real]Absence check using 23 positive place invariants in 55 ms returned sat
[2026-05-25 14:52:10] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:52:11] [INFO ] [Real]Absence check using state equation in 692 ms returned sat
[2026-05-25 14:52:11] [INFO ] [Real]Added 497 Read/Feed constraints in 83 ms returned sat
[2026-05-25 14:52:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 14:52:11] [INFO ] [Nat]Absence check using 23 positive place invariants in 55 ms returned sat
[2026-05-25 14:52:11] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:52:12] [INFO ] [Nat]Absence check using state equation in 694 ms returned sat
[2026-05-25 14:52:12] [INFO ] [Nat]Added 497 Read/Feed constraints in 78 ms returned sat
[2026-05-25 14:52:12] [INFO ] Computed and/alt/rep : 2640/5840/2640 causal constraints (skipped 112 transitions) in 123 ms.
[2026-05-25 14:52:14] [INFO ] Added : 27 causal constraints over 6 iterations in 1236 ms. Result :sat
Minimization took 751 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 3, 7, 8, 8, 0, 0] Max Struct:[8, 448, 56, 8, 8, 1, 1]
FORMULA Peterson-PT-7-UpperBounds-06 8 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Peterson-PT-7-UpperBounds-05 8 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 3, 7, 0, 0] Max Struct:[8, 448, 56, 1, 1]
Support contains 513 out of 1992 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1992/1992 places, 3096/3096 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 391 transitions
Trivial Post-agglo rules discarded 391 transitions
Performed 391 trivial Post agglomeration. Transition count delta: 391
Iterating post reduction 0 with 391 rules applied. Total rules applied 391 place count 1992 transition count 2705
Reduce places removed 391 places and 0 transitions.
Performed 392 Post agglomeration using F-continuation condition.Transition count delta: 392
Iterating post reduction 1 with 783 rules applied. Total rules applied 1174 place count 1601 transition count 2313
Reduce places removed 392 places and 0 transitions.
Iterating post reduction 2 with 392 rules applied. Total rules applied 1566 place count 1209 transition count 2313
Performed 56 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 56 Pre rules applied. Total rules applied 1566 place count 1209 transition count 2257
Deduced a syphon composed of 56 places in 2 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 1678 place count 1153 transition count 2257
Applied a total of 1678 rules in 246 ms. Remains 1153 /1992 variables (removed 839) and now considering 2257/3096 (removed 839) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 253 ms. Remains : 1153/1992 places, 2257/3096 transitions.
[2026-05-25 14:52:15] [INFO ] Flow matrix only has 1921 transitions (discarded 336 similar events)
// Phase 1: matrix 1921 rows 1153 cols
[2026-05-25 14:52:15] [INFO ] Computed 31 invariants in 15 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 3, 7, 0, 0] Max Struct:[8, 448, 56, 1, 1]
RANDOM walk for 1000000 steps (2 resets) in 8530 ms. (117 steps per ms)
BEST_FIRST walk for 4823065 steps (10 resets) in 10857 ms. (444 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 6, 7, 0, 0] Max Struct:[8, 448, 56, 1, 1]
[2026-05-25 14:52:34] [INFO ] Flow matrix only has 1921 transitions (discarded 336 similar events)
[2026-05-25 14:52:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:52:34] [INFO ] [Real]Absence check using 23 positive place invariants in 25 ms returned sat
[2026-05-25 14:52:34] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:52:35] [INFO ] [Real]Absence check using state equation in 417 ms returned sat
[2026-05-25 14:52:35] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:52:35] [INFO ] [Real]Added 497 Read/Feed constraints in 70 ms returned sat
[2026-05-25 14:52:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:52:35] [INFO ] [Nat]Absence check using 23 positive place invariants in 28 ms returned sat
[2026-05-25 14:52:35] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 14:52:35] [INFO ] [Nat]Absence check using state equation in 440 ms returned sat
[2026-05-25 14:52:36] [INFO ] [Nat]Added 497 Read/Feed constraints in 493 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:36] [INFO ] Deduced a trap composed of 13 places in 403 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:37] [INFO ] Deduced a trap composed of 13 places in 397 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:38] [INFO ] Deduced a trap composed of 15 places in 395 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:38] [INFO ] Deduced a trap composed of 13 places in 411 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:39] [INFO ] Deduced a trap composed of 29 places in 406 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:39] [INFO ] Deduced a trap composed of 31 places in 406 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:40] [INFO ] Deduced a trap composed of 29 places in 407 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:41] [INFO ] Deduced a trap composed of 13 places in 394 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:41] [INFO ] Deduced a trap composed of 43 places in 415 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:42] [INFO ] Deduced a trap composed of 45 places in 407 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:42] [INFO ] Deduced a trap composed of 43 places in 396 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:43] [INFO ] Deduced a trap composed of 29 places in 400 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:44] [INFO ] Deduced a trap composed of 29 places in 403 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:45] [INFO ] Deduced a trap composed of 13 places in 396 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:45] [INFO ] Deduced a trap composed of 29 places in 401 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:46] [INFO ] Deduced a trap composed of 57 places in 370 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:46] [INFO ] Deduced a trap composed of 57 places in 374 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:47] [INFO ] Deduced a trap composed of 59 places in 395 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:48] [INFO ] Deduced a trap composed of 13 places in 385 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:48] [INFO ] Deduced a trap composed of 29 places in 399 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:49] [INFO ] Deduced a trap composed of 43 places in 395 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:49] [INFO ] Deduced a trap composed of 43 places in 403 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:50] [INFO ] Deduced a trap composed of 71 places in 342 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:50] [INFO ] Deduced a trap composed of 71 places in 352 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:51] [INFO ] Deduced a trap composed of 73 places in 358 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:52] [INFO ] Deduced a trap composed of 29 places in 415 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:52] [INFO ] Deduced a trap composed of 43 places in 412 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:53] [INFO ] Deduced a trap composed of 57 places in 377 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:53] [INFO ] Deduced a trap composed of 87 places in 303 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:54] [INFO ] Deduced a trap composed of 85 places in 305 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:54] [INFO ] Deduced a trap composed of 85 places in 314 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:55] [INFO ] Deduced a trap composed of 71 places in 356 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:55] [INFO ] Deduced a trap composed of 15 places in 416 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:56] [INFO ] Deduced a trap composed of 15 places in 417 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:57] [INFO ] Deduced a trap composed of 15 places in 406 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:57] [INFO ] Deduced a trap composed of 17 places in 426 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:58] [INFO ] Deduced a trap composed of 15 places in 426 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:58] [INFO ] Deduced a trap composed of 15 places in 417 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:59] [INFO ] Deduced a trap composed of 34 places in 429 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:52:59] [INFO ] Deduced a trap composed of 36 places in 423 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:00] [INFO ] Deduced a trap composed of 34 places in 427 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:01] [INFO ] Deduced a trap composed of 34 places in 426 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:01] [INFO ] Deduced a trap composed of 34 places in 429 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:02] [INFO ] Deduced a trap composed of 53 places in 430 ms of which 83 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:02] [INFO ] Deduced a trap composed of 53 places in 416 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:03] [INFO ] Deduced a trap composed of 55 places in 452 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:04] [INFO ] Deduced a trap composed of 53 places in 444 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:04] [INFO ] Deduced a trap composed of 71 places in 390 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:05] [INFO ] Deduced a trap composed of 73 places in 398 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:05] [INFO ] Deduced a trap composed of 89 places in 351 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:06] [INFO ] Deduced a trap composed of 89 places in 352 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:06] [INFO ] Deduced a trap composed of 89 places in 347 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:07] [INFO ] Deduced a trap composed of 91 places in 345 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:07] [INFO ] Deduced a trap composed of 85 places in 297 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:08] [INFO ] Deduced a trap composed of 109 places in 321 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:08] [INFO ] Deduced a trap composed of 107 places in 314 ms of which 78 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:09] [INFO ] Deduced a trap composed of 107 places in 316 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:09] [INFO ] Deduced a trap composed of 107 places in 326 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:10] [INFO ] Deduced a trap composed of 99 places in 328 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:10] [INFO ] Deduced a trap composed of 95 places in 311 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:11] [INFO ] Deduced a trap composed of 95 places in 305 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:11] [INFO ] Deduced a trap composed of 95 places in 300 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:14] [INFO ] Deduced a trap composed of 31 places in 437 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:14] [INFO ] Deduced a trap composed of 47 places in 424 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:15] [INFO ] Deduced a trap composed of 47 places in 415 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:15] [INFO ] Deduced a trap composed of 51 places in 427 ms of which 84 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:16] [INFO ] Deduced a trap composed of 47 places in 418 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:17] [INFO ] Deduced a trap composed of 47 places in 408 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:18] [INFO ] Deduced a trap composed of 53 places in 418 ms of which 87 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:18] [INFO ] Deduced a trap composed of 53 places in 426 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:19] [INFO ] Deduced a trap composed of 71 places in 415 ms of which 105 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:19] [INFO ] Deduced a trap composed of 71 places in 420 ms of which 100 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:20] [INFO ] Deduced a trap composed of 89 places in 373 ms of which 93 ms to minimize.
[2026-05-25 14:53:20] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression at index 0
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:301)
at fr.lip6.move.gal.structural.smt.SMTTrapUtils.refineWithTraps(SMTTrapUtils.java:177)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:871)
at fr.lip6.move.gal.structural.smt.DeadlockTester.findStructuralMaxWithSMT(DeadlockTester.java:2254)
at fr.lip6.move.gal.application.solver.UpperBoundsSolver.applyReductions(UpperBoundsSolver.java:219)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:927)
at fr.lip6.move.gal.application.Application.start(Application.java:193)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:44)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:208)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:149)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:115)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:467)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:298)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:670)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:607)
at org.eclipse.equinox.launcher.Main.run(Main.java:1492)
at org.eclipse.equinox.launcher.Main.main(Main.java:1465)
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:53:20] [INFO ] [Real]Absence check using 23 positive place invariants in 29 ms returned sat
[2026-05-25 14:53:20] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 14:53:21] [INFO ] [Real]Absence check using state equation in 514 ms returned sat
[2026-05-25 14:53:21] [INFO ] [Real]Added 497 Read/Feed constraints in 56 ms returned sat
[2026-05-25 14:53:21] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:53:21] [INFO ] [Nat]Absence check using 23 positive place invariants in 31 ms returned sat
[2026-05-25 14:53:21] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 1 ms returned sat
[2026-05-25 14:53:22] [INFO ] [Nat]Absence check using state equation in 511 ms returned sat
[2026-05-25 14:53:22] [INFO ] [Nat]Added 497 Read/Feed constraints in 378 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:22] [INFO ] Deduced a trap composed of 15 places in 459 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:23] [INFO ] Deduced a trap composed of 13 places in 425 ms of which 21 ms to minimize.
[2026-05-25 14:53:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1140 ms
[2026-05-25 14:53:23] [INFO ] Computed and/alt/rep : 1801/5001/1801 causal constraints (skipped 112 transitions) in 96 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:30] [INFO ] Deduced a trap composed of 35 places in 442 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:31] [INFO ] Deduced a trap composed of 31 places in 444 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:31] [INFO ] Deduced a trap composed of 75 places in 429 ms of which 86 ms to minimize.
[2026-05-25 14:53:31] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1935 ms
[2026-05-25 14:53:32] [INFO ] Added : 127 causal constraints over 27 iterations in 8879 ms. Result :sat
Minimization took 1596 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:53:34] [INFO ] [Real]Absence check using 23 positive place invariants in 30 ms returned sat
[2026-05-25 14:53:34] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:53:34] [INFO ] [Real]Absence check using state equation in 542 ms returned sat
[2026-05-25 14:53:35] [INFO ] [Real]Added 497 Read/Feed constraints in 145 ms returned sat
[2026-05-25 14:53:35] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:53:35] [INFO ] [Nat]Absence check using 23 positive place invariants in 33 ms returned sat
[2026-05-25 14:53:35] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:53:35] [INFO ] [Nat]Absence check using state equation in 552 ms returned sat
[2026-05-25 14:53:36] [INFO ] [Nat]Added 497 Read/Feed constraints in 560 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:36] [INFO ] Deduced a trap composed of 11 places in 397 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:37] [INFO ] Deduced a trap composed of 13 places in 396 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:37] [INFO ] Deduced a trap composed of 11 places in 395 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:38] [INFO ] Deduced a trap composed of 11 places in 397 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:38] [INFO ] Deduced a trap composed of 11 places in 396 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:39] [INFO ] Deduced a trap composed of 11 places in 397 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:39] [INFO ] Deduced a trap composed of 11 places in 425 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:40] [INFO ] Deduced a trap composed of 11 places in 401 ms of which 20 ms to minimize.
[2026-05-25 14:53:40] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 8 trap constraints in 3908 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:53:40] [INFO ] [Real]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 14:53:40] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:53:40] [INFO ] [Real]Absence check using state equation in 427 ms returned sat
[2026-05-25 14:53:41] [INFO ] [Real]Added 497 Read/Feed constraints in 44 ms returned sat
[2026-05-25 14:53:41] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:53:41] [INFO ] [Nat]Absence check using 23 positive place invariants in 28 ms returned sat
[2026-05-25 14:53:41] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 4 ms returned sat
[2026-05-25 14:53:41] [INFO ] [Nat]Absence check using state equation in 426 ms returned sat
[2026-05-25 14:53:41] [INFO ] [Nat]Added 497 Read/Feed constraints in 46 ms returned sat
[2026-05-25 14:53:41] [INFO ] Computed and/alt/rep : 1801/5001/1801 causal constraints (skipped 112 transitions) in 99 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:51] [INFO ] Deduced a trap composed of 13 places in 419 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:51] [INFO ] Deduced a trap composed of 15 places in 408 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:52] [INFO ] Deduced a trap composed of 13 places in 416 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:53] [INFO ] Deduced a trap composed of 13 places in 402 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:53] [INFO ] Deduced a trap composed of 13 places in 421 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:54] [INFO ] Deduced a trap composed of 31 places in 422 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:55] [INFO ] Deduced a trap composed of 29 places in 415 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:55] [INFO ] Deduced a trap composed of 29 places in 424 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:56] [INFO ] Deduced a trap composed of 43 places in 418 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:57] [INFO ] Deduced a trap composed of 43 places in 411 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:57] [INFO ] Deduced a trap composed of 59 places in 381 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:53:58] [INFO ] Deduced a trap composed of 57 places in 379 ms of which 64 ms to minimize.
[2026-05-25 14:53:58] [INFO ] Trap strengthening (SAT) tested/added 13/12 trap constraints in 7981 ms
[2026-05-25 14:53:59] [INFO ] Added : 239 causal constraints over 49 iterations in 17655 ms. Result :sat
Minimization took 1196 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:54:00] [INFO ] [Real]Absence check using 23 positive place invariants in 28 ms returned sat
[2026-05-25 14:54:00] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:54:01] [INFO ] [Real]Absence check using state equation in 419 ms returned sat
[2026-05-25 14:54:01] [INFO ] [Real]Added 497 Read/Feed constraints in 45 ms returned sat
[2026-05-25 14:54:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:54:01] [INFO ] [Nat]Absence check using 23 positive place invariants in 29 ms returned sat
[2026-05-25 14:54:01] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:54:02] [INFO ] [Nat]Absence check using state equation in 421 ms returned sat
[2026-05-25 14:54:02] [INFO ] [Nat]Added 497 Read/Feed constraints in 44 ms returned sat
[2026-05-25 14:54:02] [INFO ] Computed and/alt/rep : 1801/5001/1801 causal constraints (skipped 112 transitions) in 91 ms.
[2026-05-25 14:54:02] [INFO ] Added : 14 causal constraints over 3 iterations in 469 ms. Result :sat
Minimization took 931 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 6, 7, 0, 0] Max Struct:[8, 448, 7, 1, 1]
FORMULA Peterson-PT-7-UpperBounds-04 7 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA Peterson-PT-7-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 6, 0] Max Struct:[8, 448, 1]
Support contains 457 out of 1153 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1153/1153 places, 2257/2257 transitions.
Performed 48 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 48 Pre rules applied. Total rules applied 0 place count 1153 transition count 2209
Deduced a syphon composed of 48 places in 3 ms
Reduce places removed 48 places and 0 transitions.
Iterating global reduction 0 with 96 rules applied. Total rules applied 96 place count 1105 transition count 2209
Applied a total of 96 rules in 83 ms. Remains 1105 /1153 variables (removed 48) and now considering 2209/2257 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 1105/1153 places, 2209/2257 transitions.
[2026-05-25 14:54:10] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
// Phase 1: matrix 1873 rows 1105 cols
[2026-05-25 14:54:10] [INFO ] Computed 31 invariants in 12 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 6, 0] Max Struct:[8, 448, 1]
RANDOM walk for 1000000 steps (2 resets) in 8074 ms. (123 steps per ms)
BEST_FIRST walk for 2676147 steps (6 resets) in 7433 ms. (359 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
[2026-05-25 14:54:26] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:54:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:54:26] [INFO ] [Real]Absence check using 23 positive place invariants in 28 ms returned sat
[2026-05-25 14:54:26] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:54:27] [INFO ] [Real]Absence check using state equation in 413 ms returned sat
[2026-05-25 14:54:27] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:54:27] [INFO ] [Real]Added 497 Read/Feed constraints in 71 ms returned sat
[2026-05-25 14:54:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:54:27] [INFO ] [Nat]Absence check using 23 positive place invariants in 29 ms returned sat
[2026-05-25 14:54:27] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 14:54:27] [INFO ] [Nat]Absence check using state equation in 404 ms returned sat
[2026-05-25 14:54:29] [INFO ] [Nat]Added 497 Read/Feed constraints in 1357 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:29] [INFO ] Deduced a trap composed of 13 places in 379 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:30] [INFO ] Deduced a trap composed of 15 places in 381 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:30] [INFO ] Deduced a trap composed of 13 places in 387 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:31] [INFO ] Deduced a trap composed of 29 places in 394 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:32] [INFO ] Deduced a trap composed of 27 places in 377 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:32] [INFO ] Deduced a trap composed of 27 places in 386 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:33] [INFO ] Deduced a trap composed of 13 places in 377 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:34] [INFO ] Deduced a trap composed of 13 places in 390 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:34] [INFO ] Deduced a trap composed of 41 places in 373 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:35] [INFO ] Deduced a trap composed of 39 places in 370 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:35] [INFO ] Deduced a trap composed of 39 places in 373 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:36] [INFO ] Deduced a trap composed of 27 places in 385 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:37] [INFO ] Deduced a trap composed of 27 places in 372 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:37] [INFO ] Deduced a trap composed of 13 places in 353 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:38] [INFO ] Deduced a trap composed of 53 places in 352 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:38] [INFO ] Deduced a trap composed of 51 places in 341 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:39] [INFO ] Deduced a trap composed of 51 places in 351 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:39] [INFO ] Deduced a trap composed of 39 places in 371 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:40] [INFO ] Deduced a trap composed of 13 places in 355 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:40] [INFO ] Deduced a trap composed of 27 places in 358 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:41] [INFO ] Deduced a trap composed of 63 places in 316 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:41] [INFO ] Deduced a trap composed of 63 places in 309 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:42] [INFO ] Deduced a trap composed of 65 places in 319 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:42] [INFO ] Deduced a trap composed of 27 places in 400 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:43] [INFO ] Deduced a trap composed of 39 places in 383 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:44] [INFO ] Deduced a trap composed of 51 places in 385 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:44] [INFO ] Deduced a trap composed of 57 places in 396 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:45] [INFO ] Deduced a trap composed of 51 places in 403 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:45] [INFO ] Deduced a trap composed of 51 places in 393 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:46] [INFO ] Deduced a trap composed of 69 places in 375 ms of which 77 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:46] [INFO ] Deduced a trap composed of 69 places in 367 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:47] [INFO ] Deduced a trap composed of 75 places in 378 ms of which 82 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:48] [INFO ] Deduced a trap composed of 69 places in 395 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:49] [INFO ] Deduced a trap composed of 31 places in 404 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:49] [INFO ] Deduced a trap composed of 31 places in 409 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:50] [INFO ] Deduced a trap composed of 31 places in 412 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:50] [INFO ] Deduced a trap composed of 49 places in 388 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:51] [INFO ] Deduced a trap composed of 57 places in 390 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:51] [INFO ] Deduced a trap composed of 49 places in 383 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:52] [INFO ] Deduced a trap composed of 67 places in 367 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:53] [INFO ] Deduced a trap composed of 75 places in 371 ms of which 80 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:53] [INFO ] Deduced a trap composed of 67 places in 362 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:54] [INFO ] Deduced a trap composed of 33 places in 373 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:55] [INFO ] Deduced a trap composed of 37 places in 399 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:55] [INFO ] Deduced a trap composed of 33 places in 379 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:56] [INFO ] Deduced a trap composed of 33 places in 379 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:56] [INFO ] Deduced a trap composed of 33 places in 379 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:57] [INFO ] Deduced a trap composed of 51 places in 384 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:58] [INFO ] Deduced a trap composed of 31 places in 388 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:58] [INFO ] Deduced a trap composed of 37 places in 390 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:54:59] [INFO ] Deduced a trap composed of 47 places in 383 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:00] [INFO ] Deduced a trap composed of 85 places in 325 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:00] [INFO ] Deduced a trap composed of 85 places in 321 ms of which 69 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:01] [INFO ] Deduced a trap composed of 93 places in 345 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:01] [INFO ] Deduced a trap composed of 85 places in 323 ms of which 74 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:03] [INFO ] Deduced a trap composed of 94 places in 337 ms of which 81 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:03] [INFO ] Deduced a trap composed of 87 places in 326 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:04] [INFO ] Deduced a trap composed of 87 places in 329 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:05] [INFO ] Deduced a trap composed of 13 places in 356 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:06] [INFO ] Deduced a trap composed of 27 places in 367 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:06] [INFO ] Deduced a trap composed of 39 places in 347 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:07] [INFO ] Deduced a trap composed of 106 places in 307 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:07] [INFO ] Deduced a trap composed of 106 places in 290 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:08] [INFO ] Deduced a trap composed of 111 places in 298 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:08] [INFO ] Deduced a trap composed of 106 places in 281 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:09] [INFO ] Deduced a trap composed of 103 places in 300 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:09] [INFO ] Deduced a trap composed of 111 places in 306 ms of which 75 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:10] [INFO ] Deduced a trap composed of 103 places in 300 ms of which 70 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:10] [INFO ] Deduced a trap composed of 75 places in 274 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:11] [INFO ] Deduced a trap composed of 91 places in 336 ms of which 77 ms to minimize.
[2026-05-25 14:55:12] [INFO ] Trap strengthening (SAT) tested/added 70/70 trap constraints in 43063 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:55:12] [INFO ] [Real]Absence check using 23 positive place invariants in 31 ms returned sat
[2026-05-25 14:55:12] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 3 ms returned sat
[2026-05-25 14:55:12] [INFO ] [Real]Absence check using state equation in 463 ms returned sat
[2026-05-25 14:55:13] [INFO ] [Real]Added 497 Read/Feed constraints in 145 ms returned sat
[2026-05-25 14:55:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:55:13] [INFO ] [Nat]Absence check using 23 positive place invariants in 31 ms returned sat
[2026-05-25 14:55:13] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:55:13] [INFO ] [Nat]Absence check using state equation in 467 ms returned sat
[2026-05-25 14:55:14] [INFO ] [Nat]Added 497 Read/Feed constraints in 298 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:14] [INFO ] Deduced a trap composed of 11 places in 481 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:15] [INFO ] Deduced a trap composed of 11 places in 468 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:15] [INFO ] Deduced a trap composed of 11 places in 482 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:16] [INFO ] Deduced a trap composed of 11 places in 460 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:16] [INFO ] Deduced a trap composed of 11 places in 459 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:17] [INFO ] Deduced a trap composed of 14 places in 459 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:18] [INFO ] Deduced a trap composed of 11 places in 467 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:18] [INFO ] Deduced a trap composed of 11 places in 450 ms of which 29 ms to minimize.
[2026-05-25 14:55:18] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4464 ms
[2026-05-25 14:55:18] [INFO ] Computed and/alt/rep : 1753/5289/1753 causal constraints (skipped 112 transitions) in 81 ms.
[2026-05-25 14:55:32] [INFO ] Added : 483 causal constraints over 97 iterations in 14131 ms. Result :sat
Minimization took 2794 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:55:35] [INFO ] [Real]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 14:55:35] [INFO ] [Real]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:55:36] [INFO ] [Real]Absence check using state equation in 397 ms returned sat
[2026-05-25 14:55:36] [INFO ] [Real]Added 497 Read/Feed constraints in 45 ms returned sat
[2026-05-25 14:55:36] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:55:36] [INFO ] [Nat]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 14:55:36] [INFO ] [Nat]Absence check using 23 positive and 8 generalized place invariants in 2 ms returned sat
[2026-05-25 14:55:36] [INFO ] [Nat]Absence check using state equation in 396 ms returned sat
[2026-05-25 14:55:37] [INFO ] [Nat]Added 497 Read/Feed constraints in 43 ms returned sat
[2026-05-25 14:55:37] [INFO ] Computed and/alt/rep : 1753/5289/1753 causal constraints (skipped 112 transitions) in 79 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:47] [INFO ] Deduced a trap composed of 13 places in 416 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:48] [INFO ] Deduced a trap composed of 13 places in 399 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:48] [INFO ] Deduced a trap composed of 13 places in 407 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:49] [INFO ] Deduced a trap composed of 33 places in 422 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:49] [INFO ] Deduced a trap composed of 51 places in 343 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:50] [INFO ] Deduced a trap composed of 69 places in 334 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:50] [INFO ] Deduced a trap composed of 73 places in 346 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:51] [INFO ] Deduced a trap composed of 27 places in 352 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:52] [INFO ] Deduced a trap composed of 13 places in 354 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:53] [INFO ] Deduced a trap composed of 69 places in 331 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:53] [INFO ] Deduced a trap composed of 35 places in 390 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:54] [INFO ] Deduced a trap composed of 69 places in 330 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:55:54] [INFO ] Deduced a trap composed of 87 places in 281 ms of which 49 ms to minimize.
[2026-05-25 14:55:55] [INFO ] Trap strengthening (SAT) tested/added 14/13 trap constraints in 8167 ms
[2026-05-25 14:55:57] [INFO ] Added : 316 causal constraints over 64 iterations in 20389 ms.(timeout) Result :sat
Minimization took 1237 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
Support contains 457 out of 1105 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1105/1105 places, 2209/2209 transitions.
Applied a total of 0 rules in 36 ms. Remains 1105 /1105 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36 ms. Remains : 1105/1105 places, 2209/2209 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1105/1105 places, 2209/2209 transitions.
Applied a total of 0 rules in 35 ms. Remains 1105 /1105 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
[2026-05-25 14:56:00] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:56:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:56:02] [INFO ] Implicit Places using invariants in 2132 ms returned [1089, 1090, 1091, 1092, 1093, 1102, 1103, 1104]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 2137 ms to find 8 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1097/1105 places, 2209/2209 transitions.
Applied a total of 0 rules in 30 ms. Remains 1097 /1097 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 2205 ms. Remains : 1097/1105 places, 2209/2209 transitions.
[2026-05-25 14:56:02] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
// Phase 1: matrix 1873 rows 1097 cols
[2026-05-25 14:56:02] [INFO ] Computed 23 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
RANDOM walk for 1000000 steps (2 resets) in 7889 ms. (126 steps per ms)
BEST_FIRST walk for 2751450 steps (6 resets) in 7297 ms. (377 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
[2026-05-25 14:56:17] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:56:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:56:17] [INFO ] [Real]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 14:56:18] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2026-05-25 14:56:18] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:56:18] [INFO ] [Real]Added 497 Read/Feed constraints in 65 ms returned sat
[2026-05-25 14:56:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:56:18] [INFO ] [Nat]Absence check using 23 positive place invariants in 28 ms returned sat
[2026-05-25 14:56:19] [INFO ] [Nat]Absence check using state equation in 413 ms returned sat
[2026-05-25 14:56:19] [INFO ] [Nat]Added 497 Read/Feed constraints in 590 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:20] [INFO ] Deduced a trap composed of 15 places in 386 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:20] [INFO ] Deduced a trap composed of 13 places in 382 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:21] [INFO ] Deduced a trap composed of 13 places in 375 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:21] [INFO ] Deduced a trap composed of 27 places in 380 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:22] [INFO ] Deduced a trap composed of 27 places in 383 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:22] [INFO ] Deduced a trap composed of 29 places in 380 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:23] [INFO ] Deduced a trap composed of 13 places in 380 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:24] [INFO ] Deduced a trap composed of 13 places in 383 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:24] [INFO ] Deduced a trap composed of 27 places in 385 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:25] [INFO ] Deduced a trap composed of 39 places in 366 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:25] [INFO ] Deduced a trap composed of 41 places in 366 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:26] [INFO ] Deduced a trap composed of 39 places in 373 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:26] [INFO ] Deduced a trap composed of 27 places in 375 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:27] [INFO ] Deduced a trap composed of 13 places in 378 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:28] [INFO ] Deduced a trap composed of 27 places in 383 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:28] [INFO ] Deduced a trap composed of 39 places in 378 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:29] [INFO ] Deduced a trap composed of 53 places in 352 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:29] [INFO ] Deduced a trap composed of 51 places in 345 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:30] [INFO ] Deduced a trap composed of 51 places in 351 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:30] [INFO ] Deduced a trap composed of 27 places in 385 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:31] [INFO ] Deduced a trap composed of 39 places in 364 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:32] [INFO ] Deduced a trap composed of 51 places in 359 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:32] [INFO ] Deduced a trap composed of 63 places in 320 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:33] [INFO ] Deduced a trap composed of 65 places in 306 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:33] [INFO ] Deduced a trap composed of 63 places in 309 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:34] [INFO ] Deduced a trap composed of 33 places in 395 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:35] [INFO ] Deduced a trap composed of 29 places in 388 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:35] [INFO ] Deduced a trap composed of 29 places in 374 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:36] [INFO ] Deduced a trap composed of 33 places in 395 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:37] [INFO ] Deduced a trap composed of 29 places in 377 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:37] [INFO ] Deduced a trap composed of 29 places in 388 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:38] [INFO ] Deduced a trap composed of 49 places in 384 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:38] [INFO ] Deduced a trap composed of 49 places in 383 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:39] [INFO ] Deduced a trap composed of 65 places in 360 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:39] [INFO ] Deduced a trap composed of 67 places in 360 ms of which 71 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:40] [INFO ] Deduced a trap composed of 65 places in 356 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:40] [INFO ] Deduced a trap composed of 65 places in 360 ms of which 68 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:41] [INFO ] Deduced a trap composed of 47 places in 383 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:42] [INFO ] Deduced a trap composed of 43 places in 372 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:42] [INFO ] Deduced a trap composed of 57 places in 346 ms of which 60 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:43] [INFO ] Deduced a trap composed of 61 places in 359 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:43] [INFO ] Deduced a trap composed of 57 places in 362 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:44] [INFO ] Deduced a trap composed of 57 places in 358 ms of which 63 ms to minimize.
[2026-05-25 14:56:48] [INFO ] Trap strengthening (SAT) tested/added 43/43 trap constraints in 29268 ms
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:56:49] [INFO ] [Real]Absence check using 23 positive place invariants in 29 ms returned sat
[2026-05-25 14:56:49] [INFO ] [Real]Absence check using state equation in 441 ms returned sat
[2026-05-25 14:56:49] [INFO ] [Real]Added 497 Read/Feed constraints in 168 ms returned sat
[2026-05-25 14:56:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:56:50] [INFO ] [Nat]Absence check using 23 positive place invariants in 30 ms returned sat
[2026-05-25 14:56:50] [INFO ] [Nat]Absence check using state equation in 431 ms returned sat
[2026-05-25 14:56:50] [INFO ] [Nat]Added 497 Read/Feed constraints in 315 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:51] [INFO ] Deduced a trap composed of 11 places in 468 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:51] [INFO ] Deduced a trap composed of 15 places in 466 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:52] [INFO ] Deduced a trap composed of 11 places in 456 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:53] [INFO ] Deduced a trap composed of 11 places in 455 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:53] [INFO ] Deduced a trap composed of 11 places in 460 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:54] [INFO ] Deduced a trap composed of 11 places in 451 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:54] [INFO ] Deduced a trap composed of 11 places in 470 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:56:55] [INFO ] Deduced a trap composed of 11 places in 465 ms of which 29 ms to minimize.
[2026-05-25 14:56:55] [INFO ] Trap strengthening (SAT) tested/added 9/8 trap constraints in 4508 ms
[2026-05-25 14:56:55] [INFO ] Computed and/alt/rep : 1753/5289/1753 causal constraints (skipped 112 transitions) in 79 ms.
[2026-05-25 14:56:59] [INFO ] Added : 155 causal constraints over 31 iterations in 4016 ms. Result :sat
Minimization took 2003 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:57:01] [INFO ] [Real]Absence check using 23 positive place invariants in 25 ms returned sat
[2026-05-25 14:57:02] [INFO ] [Real]Absence check using state equation in 399 ms returned sat
[2026-05-25 14:57:02] [INFO ] [Real]Added 497 Read/Feed constraints in 40 ms returned sat
[2026-05-25 14:57:02] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 14:57:02] [INFO ] [Nat]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 14:57:02] [INFO ] [Nat]Absence check using state equation in 390 ms returned sat
[2026-05-25 14:57:02] [INFO ] [Nat]Added 497 Read/Feed constraints in 50 ms returned sat
[2026-05-25 14:57:02] [INFO ] Computed and/alt/rep : 1753/5289/1753 causal constraints (skipped 112 transitions) in 90 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:16] [INFO ] Deduced a trap composed of 13 places in 410 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:17] [INFO ] Deduced a trap composed of 15 places in 414 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:17] [INFO ] Deduced a trap composed of 13 places in 407 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:18] [INFO ] Deduced a trap composed of 13 places in 407 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:19] [INFO ] Deduced a trap composed of 13 places in 412 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:20] [INFO ] Deduced a trap composed of 27 places in 407 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:21] [INFO ] Deduced a trap composed of 27 places in 409 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:21] [INFO ] Deduced a trap composed of 29 places in 416 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:22] [INFO ] Deduced a trap composed of 27 places in 406 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:23] [INFO ] Deduced a trap composed of 27 places in 410 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:23] [INFO ] Deduced a trap composed of 27 places in 421 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:24] [INFO ] Deduced a trap composed of 27 places in 407 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:25] [INFO ] Deduced a trap composed of 27 places in 404 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:26] [INFO ] Deduced a trap composed of 41 places in 387 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:26] [INFO ] Deduced a trap composed of 39 places in 390 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:27] [INFO ] Deduced a trap composed of 39 places in 394 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:28] [INFO ] Deduced a trap composed of 51 places in 335 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:28] [INFO ] Deduced a trap composed of 51 places in 332 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:29] [INFO ] Deduced a trap composed of 53 places in 336 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:30] [INFO ] Deduced a trap composed of 51 places in 336 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:31] [INFO ] Deduced a trap composed of 63 places in 290 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:31] [INFO ] Deduced a trap composed of 63 places in 299 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:32] [INFO ] Deduced a trap composed of 63 places in 299 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:32] [INFO ] Deduced a trap composed of 39 places in 385 ms of which 58 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:33] [INFO ] Deduced a trap composed of 63 places in 293 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:34] [INFO ] Deduced a trap composed of 75 places in 283 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:34] [INFO ] Deduced a trap composed of 75 places in 278 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:35] [INFO ] Deduced a trap composed of 75 places in 280 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:35] [INFO ] Deduced a trap composed of 75 places in 279 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:57:36] [INFO ] Deduced a trap composed of 77 places in 263 ms of which 42 ms to minimize.
[2026-05-25 14:57:36] [INFO ] Trap strengthening (SAT) tested/added 31/30 trap constraints in 20541 ms
[2026-05-25 14:57:37] [INFO ] Added : 297 causal constraints over 60 iterations in 34229 ms.(timeout) Result :sat
Minimization took 1903 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
Support contains 457 out of 1097 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Applied a total of 0 rules in 29 ms. Remains 1097 /1097 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 1097/1097 places, 2209/2209 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Applied a total of 0 rules in 27 ms. Remains 1097 /1097 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
[2026-05-25 14:57:44] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:57:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:57:46] [INFO ] Implicit Places using invariants in 1882 ms returned []
[2026-05-25 14:57:46] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:57:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 14:57:46] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 14:58:03] [INFO ] Implicit Places using invariants and state equation in 17389 ms returned []
Implicit Place search using SMT with State Equation took 19272 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 14:58:03] [INFO ] Redundant transitions in 107 ms returned []
Running 2201 sub problems to find dead transitions.
[2026-05-25 14:58:03] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:58:03] [INFO ] Invariant cache hit.
[2026-05-25 14:58:03] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 1.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 1.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 1.0)
(s77 1.0)
(s78 1.0)
(s79 1.0)
(s80 1.0)
(s81 1.0)
(s82 1.0)
(s83 1.0)
(s84 1.0)
(s85 1.0)
(s86 1.0)
(s87 1.0)
(s88 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
(s151 1.0)
(s152 1.0)
(s153 1.0)
(s154 1.0)
(s155 1.0)
(s156 1.0)
(s157 1.0)
(s158 1.0)
(s159 1.0)
(s160 1.0)
(s161 1.0)
(s162 1.0)
(s163 1.0)
(s164 1.0)
(s165 1.0)
(s166 1.0)
(s167 1.0)
(s168 1.0)
(s169 1.0)
(s170 1.0)
(s171 1.0)
(s172 1.0)
(s173 1.0)
(s174 1.0)
(s175 1.0)
(s176 1.0)
(s177 1.0)
(s178 1.0)
(s179 1.0)
(s180 1.0)
(s181 1.0)
(s182 1.0)
(s183 1.0)
(s184 1.0)
(s185 1.0)
(s186 1.0)
(s187 1.0)
(s188 1.0)
(s189 1.0)
(s190 1.0)
(s191 1.0)
(s192 1.0)
(s193 1.0)
(s194 1.0)
(s195 1.0)
(s196 1.0)
(s197 1.0)
(s198 1.0)
(s199 1.0)
(s200 1.0)
(s201 1.0)
(s202 1.0)
(s203 1.0)
(s204 1.0)
(s205 1.0)
(s206 1.0)
(s207 1.0)
(s208 1.0)
(s209 1.0)
(s210 1.0)
(s211 1.0)
(s212 1.0)
(s213 1.0)
(s214 1.0)
(s215 1.0)
(s216 1.0)
(s217 1.0)
(s218 1.0)
(s219 1.0)
(s220 1.0)
(s221 1.0)
(s222 1.0)
(s223 1.0)
(s224 1.0)
(s225 1.0)
(s226 1.0)
(s227 1.0)
(s228 1.0)
(s229 1.0)
(s230 1.0)
(s231 1.0)
(s232 1.0)
(s233 1.0)
(s234 1.0)
(s235 1.0)
(s236 1.0)
(s237 1.0)
(s238 1.0)
(s239 1.0)
(s240 1.0)
(s241 1.0)
(s242 1.0)
(s243 1.0)
(s244 1.0)
(s245 1.0)
(s246 1.0)
(s247 1.0)
(s248 1.0)
(s249 1.0)
(s250 1.0)
(s251 1.0)
(s252 1.0)
(s253 1.0)
(s254 1.0)
(s255 1.0)
(s256 1.0)
(s257 1.0)
(s258 1.0)
(s259 1.0)
(s260 1.0)
(s261 1.0)
(s262 1.0)
(s263 1.0)
(s264 1.0)
(s265 1.0)
(s266 1.0)
(s267 1.0)
(s268 1.0)
(s269 1.0)
(s270 1.0)
(s271 1.0)
(s272 1.0)
(s273 1.0)
(s274 1.0)
(s275 1.0)
(s276 1.0)
(s277 1.0)
(s278 1.0)
(s279 1.0)
(s280 1.0)
(s281 1.0)
(s282 1.0)
(s283 1.0)
(s284 1.0)
(s285 timeout
1.0)
(s286 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1097 variables, 1097/1097 constraints. Problems are: Problem set: 0 solved, 2201 unsolved
SMT process timed out in 30744ms, After SMT, problems are : Problem set: 0 solved, 2201 unsolved
Search for dead transitions found 0 dead transitions in 30763ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50199 ms. Remains : 1097/1097 places, 2209/2209 transitions.
RANDOM walk for 40000 steps (8 resets) in 1394 ms. (28 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 249 ms. (160 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 177 ms. (224 steps per ms) remains 6/6 properties
[2026-05-25 14:58:34] [INFO ] Flatten gal took : 216 ms
BEST_FIRST walk for 40004 steps (8 resets) in 646 ms. (61 steps per ms) remains 6/6 properties
[2026-05-25 14:58:35] [INFO ] Flatten gal took : 169 ms
[2026-05-25 14:58:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16961822037746332187.gal : 70 ms
[2026-05-25 14:58:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13996712397556381897.prop : 3 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/ReachabilityCardinality16961822037746332187.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13996712397556381897.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 ...330
BEST_FIRST walk for 40004 steps (8 resets) in 660 ms. (60 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 168 ms. (236 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality13996712397556381897.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :9 after 23
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :23 after 24
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :24 after 49
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :49 after 88
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :88 after 267
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :267 after 369
SDD proceeding with computation,6 properties remain. new max is 4096
SDD size :369 after 996
Interrupted probabilistic random walk after 223605 steps, run timeout after 3001 ms. (steps per millisecond=74 ) properties seen :0 out of 6
Probabilistic random walk after 223605 steps, saw 58143 distinct states, run finished after 3004 ms. (steps per millisecond=74 ) properties seen :0
[2026-05-25 14:58:38] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:58:38] [INFO ] Invariant cache hit.
[2026-05-25 14:58:38] [INFO ] State equation strengthened by 497 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 457/457 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem MAX1 is UNSAT
At refinement iteration 2 (OVERLAPS) 576/1033 variables, 8/465 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1033 variables, 576/1041 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1033 variables, 0/1041 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 8/1041 variables, 8/1049 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1041 variables, 8/1057 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1041 variables, 0/1057 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1873/2914 variables, 1041/2098 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 8192
SDD size :996 after 4381
At refinement iteration 9 (INCLUDED_ONLY) 0/2914 variables, 497/2595 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2914 variables, 0/2595 constraints. Problems are: Problem set: 1 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 56/2970 variables, 56/2651 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 16384
SDD size :4381 after 8009
At refinement iteration 12 (INCLUDED_ONLY) 0/2970 variables, 56/2707 constraints. Problems are: Problem set: 1 solved, 5 unsolved
SMT process timed out in 5028ms, After SMT, problems are : Problem set: 1 solved, 5 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 457 out of 1097 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Applied a total of 0 rules in 38 ms. Remains 1097 /1097 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 38 ms. Remains : 1097/1097 places, 2209/2209 transitions.
RANDOM walk for 40000 steps (8 resets) in 966 ms. (41 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 87 ms. (454 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 80 ms. (493 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 395 ms. (101 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 86 ms. (459 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 98 ms. (404 steps per ms) remains 5/5 properties
Interrupted probabilistic random walk after 308727 steps, run timeout after 3001 ms. (steps per millisecond=102 ) properties seen :0 out of 5
Probabilistic random walk after 308727 steps, saw 67660 distinct states, run finished after 3001 ms. (steps per millisecond=102 ) properties seen :0
[2026-05-25 14:58:46] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:58:46] [INFO ] Invariant cache hit.
[2026-05-25 14:58:46] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 457/457 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 576/1033 variables, 8/465 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1033 variables, 576/1041 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1033 variables, 0/1041 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (OVERLAPS) 8/1041 variables, 8/1049 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1041 variables, 8/1057 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1041 variables, 0/1057 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 1873/2914 variables, 1041/2098 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2914 variables, 497/2595 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2914 variables, 0/2595 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 56/2970 variables, 56/2651 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2970 variables, 56/2707 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2970 variables, 7/2714 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2970 variables, 0/2714 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 32768
SDD size :8009 after 32828
At refinement iteration 15 (OVERLAPS) 0/2970 variables, 0/2714 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2970/2970 variables, and 2714 constraints, problems are : Problem set: 0 solved, 5 unsolved in 6779 ms.
Refiners :[Domain max(s): 1097/1097 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1097/1097 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 457/457 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 576/1033 variables, 8/465 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1033 variables, 576/1041 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:58:54] [INFO ] Deduced a trap composed of 62 places in 473 ms of which 88 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:58:54] [INFO ] Deduced a trap composed of 118 places in 403 ms of which 125 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:58:55] [INFO ] Deduced a trap composed of 132 places in 347 ms of which 125 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:58:55] [INFO ] Deduced a trap composed of 147 places in 260 ms of which 86 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:58:55] [INFO ] Deduced a trap composed of 161 places in 181 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:58:55] [INFO ] Deduced a trap composed of 202 places in 119 ms of which 22 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1033 variables, 6/1047 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1033 variables, 0/1047 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 8/1041 variables, 8/1055 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1041 variables, 8/1063 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1041 variables, 0/1063 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 1873/2914 variables, 1041/2104 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2914 variables, 497/2601 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2914 variables, 4/2605 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:05] [INFO ] Deduced a trap composed of 90 places in 227 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:05] [INFO ] Deduced a trap composed of 230 places in 125 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:06] [INFO ] Deduced a trap composed of 104 places in 382 ms of which 109 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:06] [INFO ] Deduced a trap composed of 146 places in 345 ms of which 125 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:07] [INFO ] Deduced a trap composed of 174 places in 282 ms of which 106 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:07] [INFO ] Deduced a trap composed of 216 places in 127 ms of which 22 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/2914 variables, 6/2611 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:08] [INFO ] Deduced a trap composed of 146 places in 167 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:09] [INFO ] Deduced a trap composed of 160 places in 279 ms of which 90 ms to minimize.
At refinement iteration 13 (INCLUDED_ONLY) 0/2914 variables, 2/2613 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,6 properties remain. new max is 65536
SDD size :32828 after 62438
At refinement iteration 14 (INCLUDED_ONLY) 0/2914 variables, 0/2613 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 56/2970 variables, 56/2669 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2970 variables, 56/2725 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/2970 variables, 7/2732 constraints. Problems are: Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:15] [INFO ] Deduced a trap composed of 11 places in 410 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:15] [INFO ] Deduced a trap composed of 11 places in 391 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:16] [INFO ] Deduced a trap composed of 11 places in 391 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:17] [INFO ] Deduced a trap composed of 13 places in 388 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:17] [INFO ] Deduced a trap composed of 11 places in 390 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:18] [INFO ] Deduced a trap composed of 11 places in 397 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:18] [INFO ] Deduced a trap composed of 11 places in 386 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:19] [INFO ] Deduced a trap composed of 11 places in 408 ms of which 27 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:20] [INFO ] Deduced a trap composed of 19 places in 393 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:20] [INFO ] Deduced a trap composed of 17 places in 393 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:21] [INFO ] Deduced a trap composed of 17 places in 390 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:21] [INFO ] Deduced a trap composed of 17 places in 395 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:22] [INFO ] Deduced a trap composed of 17 places in 391 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:23] [INFO ] Deduced a trap composed of 35 places in 392 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:23] [INFO ] Deduced a trap composed of 35 places in 405 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:24] [INFO ] Deduced a trap composed of 35 places in 398 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:24] [INFO ] Deduced a trap composed of 37 places in 406 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:25] [INFO ] Deduced a trap composed of 55 places in 387 ms of which 67 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-25 14:59:25] [INFO ] Flatten gal took : 69 ms
[2026-05-25 14:59:25] [INFO ] Applying decomposition
[2026-05-25 14:59:25] [INFO ] Flatten gal took : 60 ms
[2026-05-25 14:59:25] [INFO ] Deduced a trap composed of 53 places in 460 ms of which 89 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph13852441934643408604.txt' '-o' '/tmp/graph13852441934643408604.bin' '-w' '/tmp/graph13852441934643408604.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph13852441934643408604.bin' '-l' '-1' '-v' '-w' '/tmp/graph13852441934643408604.weights' '-q' '0' '-e' '0.001'
[2026-05-25 14:59:25] [INFO ] Decomposing Gal with order
[2026-05-25 14:59:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 14:59:26] [INFO ] Deduced a trap composed of 53 places in 491 ms of which 61 ms to minimize.
Problem MAX0 is UNSAT
[2026-05-25 14:59:26] [INFO ] Removed a total of 2496 redundant transitions.
[2026-05-25 14:59:26] [INFO ] Flatten gal took : 877 ms
[2026-05-25 14:59:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 319 labels/synchronizations in 72 ms.
At refinement iteration 18 (INCLUDED_ONLY) 0/2970 variables, 20/2752 constraints. Problems are: Problem set: 1 solved, 4 unsolved
[2026-05-25 14:59:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8254598506746947154.gal : 30 ms
[2026-05-25 14:59:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5417302642444811711.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/ReachabilityCardinality8254598506746947154.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5417302642444811711.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/ReachabilityCardinality5417302642444811711.prop.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:28] [INFO ] Deduced a trap composed of 21 places in 446 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:28] [INFO ] Deduced a trap composed of 21 places in 430 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :4 after 14
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :14 after 15
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :15 after 27
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :27 after 30
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :30 after 32
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :32 after 111
[2026-05-25 14:59:29] [INFO ] Deduced a trap composed of 21 places in 439 ms of which 40 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :111 after 232
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :232 after 378
[2026-05-25 14:59:30] [INFO ] Deduced a trap composed of 23 places in 441 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:30] [INFO ] Deduced a trap composed of 21 places in 439 ms of which 39 ms to minimize.
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :378 after 1409
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:31] [INFO ] Deduced a trap composed of 21 places in 419 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1409 after 1936
[2026-05-25 14:59:31] [INFO ] Deduced a trap composed of 21 places in 431 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:32] [INFO ] Deduced a trap composed of 31 places in 403 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:32] [INFO ] Deduced a trap composed of 29 places in 393 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:33] [INFO ] Deduced a trap composed of 29 places in 389 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:33] [INFO ] Deduced a trap composed of 29 places in 397 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,4 properties remain. new max is 16384
SDD size :1936 after 4667
[2026-05-25 14:59:34] [INFO ] Deduced a trap composed of 29 places in 395 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:34] [INFO ] Deduced a trap composed of 29 places in 399 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:35] [INFO ] Deduced a trap composed of 29 places in 394 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:35] [INFO ] Deduced a trap composed of 37 places in 366 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:36] [INFO ] Deduced a trap composed of 37 places in 361 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:36] [INFO ] Deduced a trap composed of 37 places in 365 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:37] [INFO ] Deduced a trap composed of 37 places in 365 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:37] [INFO ] Deduced a trap composed of 39 places in 371 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:38] [INFO ] Deduced a trap composed of 47 places in 321 ms of which 50 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/2970 variables, 20/2772 constraints. Problems are: Problem set: 1 solved, 4 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2970/2970 variables, and 2772 constraints, problems are : Problem set: 1 solved, 4 unsolved in 45011 ms.
Refiners :[Domain max(s): 1097/1097 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1097/1097 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 5/4 constraints, Known Traps: 54/54 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 51819ms problems are : Problem set: 1 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 457 out of 1097 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Applied a total of 0 rules in 46 ms. Remains 1097 /1097 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 46 ms. Remains : 1097/1097 places, 2209/2209 transitions.
RANDOM walk for 40000 steps (8 resets) in 599 ms. (66 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 346 ms. (115 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 4/4 properties
SDD proceeding with computation,4 properties remain. new max is 32768
SDD size :4667 after 56383
Interrupted probabilistic random walk after 331236 steps, run timeout after 3001 ms. (steps per millisecond=110 ) properties seen :0 out of 4
Probabilistic random walk after 331236 steps, saw 69835 distinct states, run finished after 3001 ms. (steps per millisecond=110 ) properties seen :0
[2026-05-25 14:59:42] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 14:59:42] [INFO ] Invariant cache hit.
[2026-05-25 14:59:42] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 457/457 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 576/1033 variables, 8/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1033 variables, 576/1041 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1033 variables, 0/1041 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 8/1041 variables, 8/1049 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1041 variables, 8/1057 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:42] [INFO ] Deduced a trap composed of 62 places in 467 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:43] [INFO ] Deduced a trap composed of 118 places in 258 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:43] [INFO ] Deduced a trap composed of 202 places in 120 ms of which 21 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/1041 variables, 3/1060 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1041 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1873/2914 variables, 1041/2101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2914 variables, 497/2598 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2914 variables, 0/2598 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 56/2970 variables, 56/2654 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2970 variables, 56/2710 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2970 variables, 7/2717 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2970 variables, 0/2717 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 0/2970 variables, 0/2717 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2970/2970 variables, and 2717 constraints, problems are : Problem set: 0 solved, 4 unsolved in 4890 ms.
Refiners :[Domain max(s): 1097/1097 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1097/1097 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/457 variables, 457/457 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/457 variables, 0/457 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (OVERLAPS) 576/1033 variables, 8/465 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1033 variables, 576/1041 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1033 variables, 3/1044 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1033 variables, 0/1044 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 8/1041 variables, 8/1052 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1041 variables, 8/1060 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1041 variables, 0/1060 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 1873/2914 variables, 1041/2101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2914 variables, 497/2598 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2914 variables, 3/2601 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:50] [INFO ] Deduced a trap composed of 90 places in 378 ms of which 90 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:51] [INFO ] Deduced a trap composed of 132 places in 259 ms of which 79 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:51] [INFO ] Deduced a trap composed of 174 places in 205 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:51] [INFO ] Deduced a trap composed of 188 places in 125 ms of which 20 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/2914 variables, 4/2605 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2914 variables, 0/2605 constraints. Problems are: Problem set: 0 solved, 4 unsolved
SDD proceeding with computation,4 properties remain. new max is 65536
SDD size :56383 after 201580
At refinement iteration 14 (OVERLAPS) 56/2970 variables, 56/2661 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2970 variables, 56/2717 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/2970 variables, 7/2724 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:57] [INFO ] Deduced a trap composed of 11 places in 442 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:58] [INFO ] Deduced a trap composed of 13 places in 446 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:58] [INFO ] Deduced a trap composed of 11 places in 437 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 14:59:59] [INFO ] Deduced a trap composed of 11 places in 441 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:00] [INFO ] Deduced a trap composed of 11 places in 440 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:00] [INFO ] Deduced a trap composed of 11 places in 453 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:01] [INFO ] Deduced a trap composed of 11 places in 444 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:02] [INFO ] Deduced a trap composed of 11 places in 441 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:02] [INFO ] Deduced a trap composed of 21 places in 425 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:03] [INFO ] Deduced a trap composed of 23 places in 434 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:04] [INFO ] Deduced a trap composed of 21 places in 432 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:04] [INFO ] Deduced a trap composed of 21 places in 427 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:05] [INFO ] Deduced a trap composed of 21 places in 425 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:05] [INFO ] Deduced a trap composed of 21 places in 441 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:06] [INFO ] Deduced a trap composed of 21 places in 439 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:07] [INFO ] Deduced a trap composed of 29 places in 415 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:07] [INFO ] Deduced a trap composed of 31 places in 403 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:08] [INFO ] Deduced a trap composed of 29 places in 402 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:09] [INFO ] Deduced a trap composed of 29 places in 397 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:09] [INFO ] Deduced a trap composed of 29 places in 405 ms of which 45 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/2970 variables, 20/2744 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:11] [INFO ] Deduced a trap composed of 29 places in 396 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:12] [INFO ] Deduced a trap composed of 37 places in 361 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:12] [INFO ] Deduced a trap composed of 37 places in 355 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:13] [INFO ] Deduced a trap composed of 39 places in 359 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:14] [INFO ] Deduced a trap composed of 37 places in 358 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:14] [INFO ] Deduced a trap composed of 45 places in 315 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:15] [INFO ] Deduced a trap composed of 47 places in 313 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:15] [INFO ] Deduced a trap composed of 45 places in 304 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:16] [INFO ] Deduced a trap composed of 45 places in 300 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:16] [INFO ] Deduced a trap composed of 53 places in 259 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:17] [INFO ] Deduced a trap composed of 53 places in 272 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-25 15:00:17] [INFO ] Deduced a trap composed of 55 places in 271 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:18] [INFO ] Deduced a trap composed of 53 places in 265 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:18] [INFO ] Deduced a trap composed of 45 places in 299 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:19] [INFO ] Deduced a trap composed of 29 places in 315 ms of which 37 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:20] [INFO ] Deduced a trap composed of 21 places in 324 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:20] [INFO ] Deduced a trap composed of 37 places in 315 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:21] [INFO ] Deduced a trap composed of 37 places in 307 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:21] [INFO ] Deduced a trap composed of 61 places in 212 ms of which 35 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:22] [INFO ] Deduced a trap composed of 61 places in 217 ms of which 37 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/2970 variables, 20/2764 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:24] [INFO ] Deduced a trap composed of 53 places in 280 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:24] [INFO ] Deduced a trap composed of 63 places in 200 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:25] [INFO ] Deduced a trap composed of 61 places in 210 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:26] [INFO ] Deduced a trap composed of 45 places in 299 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:27] [INFO ] Deduced a trap composed of 53 places in 268 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:28] [INFO ] Deduced a trap composed of 61 places in 219 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:29] [INFO ] Deduced a trap composed of 99 places in 229 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:29] [INFO ] Deduced a trap composed of 99 places in 234 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:29] [INFO ] Deduced a trap composed of 103 places in 236 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:30] [INFO ] Deduced a trap composed of 99 places in 234 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:30] [INFO ] Deduced a trap composed of 99 places in 214 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:31] [INFO ] Deduced a trap composed of 85 places in 227 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:31] [INFO ] Deduced a trap composed of 89 places in 227 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:32] [INFO ] Deduced a trap composed of 85 places in 213 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:32] [INFO ] Deduced a trap composed of 85 places in 234 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:32] [INFO ] Deduced a trap composed of 85 places in 228 ms of which 48 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:33] [INFO ] Deduced a trap composed of 51 places in 246 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:33] [INFO ] Deduced a trap composed of 51 places in 250 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:34] [INFO ] Deduced a trap composed of 51 places in 251 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:34] [INFO ] Deduced a trap composed of 63 places in 205 ms of which 40 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/2970 variables, 20/2784 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:36] [INFO ] Deduced a trap composed of 63 places in 282 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:37] [INFO ] Deduced a trap composed of 63 places in 288 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:38] [INFO ] Deduced a trap composed of 67 places in 280 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:38] [INFO ] Deduced a trap composed of 63 places in 282 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:39] [INFO ] Deduced a trap composed of 63 places in 276 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:40] [INFO ] Deduced a trap composed of 43 places in 352 ms of which 55 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:40] [INFO ] Deduced a trap composed of 43 places in 345 ms of which 56 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:41] [INFO ] Deduced a trap composed of 47 places in 349 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:41] [INFO ] Deduced a trap composed of 43 places in 349 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:42] [INFO ] Deduced a trap composed of 57 places in 313 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:42] [INFO ] Deduced a trap composed of 53 places in 314 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:43] [INFO ] Deduced a trap composed of 53 places in 304 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:43] [INFO ] Deduced a trap composed of 53 places in 309 ms of which 49 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:44] [INFO ] Deduced a trap composed of 53 places in 321 ms of which 51 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:45] [INFO ] Deduced a trap composed of 33 places in 325 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:45] [INFO ] Deduced a trap composed of 33 places in 327 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:46] [INFO ] Deduced a trap composed of 37 places in 330 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:46] [INFO ] Deduced a trap composed of 33 places in 333 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:47] [INFO ] Deduced a trap composed of 33 places in 331 ms of which 41 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:47] [INFO ] Deduced a trap composed of 33 places in 332 ms of which 42 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/2970 variables, 20/2804 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:50] [INFO ] Deduced a trap composed of 27 places in 336 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:51] [INFO ] Deduced a trap composed of 27 places in 338 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:51] [INFO ] Deduced a trap composed of 29 places in 335 ms of which 40 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:52] [INFO ] Deduced a trap composed of 27 places in 327 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:52] [INFO ] Deduced a trap composed of 39 places in 299 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:53] [INFO ] Deduced a trap composed of 39 places in 299 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:53] [INFO ] Deduced a trap composed of 39 places in 305 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:54] [INFO ] Deduced a trap composed of 41 places in 302 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:54] [INFO ] Deduced a trap composed of 39 places in 309 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:55] [INFO ] Deduced a trap composed of 39 places in 320 ms of which 50 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:55] [INFO ] Deduced a trap composed of 51 places in 256 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:55] [INFO ] Deduced a trap composed of 51 places in 254 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:00:56] [INFO ] Deduced a trap composed of 53 places in 257 ms of which 48 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2970/2970 variables, and 2817 constraints, problems are : Problem set: 0 solved, 4 unsolved in 75020 ms.
Refiners :[Domain max(s): 1097/1097 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1097/1097 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 100/100 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79936ms problems are : Problem set: 0 solved, 4 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 457 out of 1097 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Applied a total of 0 rules in 29 ms. Remains 1097 /1097 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 1097/1097 places, 2209/2209 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Applied a total of 0 rules in 24 ms. Remains 1097 /1097 variables (removed 0) and now considering 2209/2209 (removed 0) transitions.
[2026-05-25 15:01:02] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 15:01:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:01:04] [INFO ] Implicit Places using invariants in 1870 ms returned []
[2026-05-25 15:01:04] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 15:01:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:01:04] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:01:21] [INFO ] Implicit Places using invariants and state equation in 17325 ms returned []
Implicit Place search using SMT with State Equation took 19200 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 15:01:21] [INFO ] Redundant transitions in 110 ms returned []
Running 2201 sub problems to find dead transitions.
[2026-05-25 15:01:21] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 15:01:21] [INFO ] Invariant cache hit.
[2026-05-25 15:01:21] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1097 variables, 1097/1097 constraints. Problems are: Problem set: 0 solved, 2201 unsolved
SMT process timed out in 30560ms, After SMT, problems are : Problem set: 0 solved, 2201 unsolved
Search for dead transitions found 0 dead transitions in 30567ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49916 ms. Remains : 1097/1097 places, 2209/2209 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1, 7, 0] Max Struct:[8, 448, 1]
Starting property specific reduction for Peterson-PT-7-UpperBounds-01
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[8]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[8]
[2026-05-25 15:01:52] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 15:01:52] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[8]
RANDOM walk for 10000 steps (2 resets) in 23 ms. (416 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-25 15:01:52] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 15:01:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 15:01:52] [INFO ] [Real]Absence check using 23 positive place invariants in 25 ms returned sat
[2026-05-25 15:01:52] [INFO ] [Real]Absence check using state equation in 395 ms returned sat
[2026-05-25 15:01:52] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:01:52] [INFO ] [Real]Added 497 Read/Feed constraints in 68 ms returned sat
[2026-05-25 15:01:52] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 15:01:52] [INFO ] [Nat]Absence check using 23 positive place invariants in 28 ms returned sat
[2026-05-25 15:01:53] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2026-05-25 15:01:53] [INFO ] SMT solver returned unknown. Retrying;
[2026-05-25 15:01:54] [INFO ] [Nat]Added 497 Read/Feed constraints in 648 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:01:54] [INFO ] Deduced a trap composed of 15 places in 391 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:01:55] [INFO ] Deduced a trap composed of 13 places in 374 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:01:55] [INFO ] Deduced a trap composed of 13 places in 386 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:01:56] [INFO ] Deduced a trap composed of 27 places in 382 ms of which 42 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:01:56] [INFO ] Deduced a trap composed of 27 places in 384 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:01:57] [INFO ] Deduced a trap composed of 29 places in 375 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:01:57] [INFO ] Deduced a trap composed of 13 places in 386 ms of which 30 ms to minimize.
[2026-05-25 15:01:57] [INFO ] Trap strengthening (SAT) tested/added 7/7 trap constraints in 3770 ms
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 8 out of 1097 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 106 transitions
Trivial Post-agglo rules discarded 106 transitions
Performed 106 trivial Post agglomeration. Transition count delta: 106
Iterating post reduction 0 with 106 rules applied. Total rules applied 106 place count 1097 transition count 2103
Reduce places removed 106 places and 0 transitions.
Iterating post reduction 1 with 106 rules applied. Total rules applied 212 place count 991 transition count 2103
Performed 343 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 343 Pre rules applied. Total rules applied 212 place count 991 transition count 1760
Deduced a syphon composed of 343 places in 1 ms
Reduce places removed 343 places and 0 transitions.
Iterating global reduction 2 with 686 rules applied. Total rules applied 898 place count 648 transition count 1760
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 2 with 112 rules applied. Total rules applied 1010 place count 592 transition count 1704
Applied a total of 1010 rules in 123 ms. Remains 592 /1097 variables (removed 505) and now considering 1704/2209 (removed 505) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 124 ms. Remains : 592/1097 places, 1704/2209 transitions.
[2026-05-25 15:01:57] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
// Phase 1: matrix 1368 rows 592 cols
[2026-05-25 15:01:57] [INFO ] Computed 23 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[8]
RANDOM walk for 1000000 steps (2 resets) in 2079 ms. (480 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 608 ms. (1642 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[8]
[2026-05-25 15:02:00] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:02:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:02:00] [INFO ] [Real]Absence check using 23 positive place invariants in 13 ms returned sat
[2026-05-25 15:02:01] [INFO ] [Real]Absence check using state equation in 235 ms returned sat
[2026-05-25 15:02:01] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:02:01] [INFO ] [Real]Added 497 Read/Feed constraints in 51 ms returned sat
[2026-05-25 15:02:01] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:02:01] [INFO ] [Nat]Absence check using 23 positive place invariants in 15 ms returned sat
[2026-05-25 15:02:01] [INFO ] [Nat]Absence check using state equation in 240 ms returned sat
[2026-05-25 15:02:01] [INFO ] [Nat]Added 497 Read/Feed constraints in 183 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:01] [INFO ] Deduced a trap composed of 11 places in 214 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:02] [INFO ] Deduced a trap composed of 11 places in 202 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:02] [INFO ] Deduced a trap composed of 11 places in 209 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:02] [INFO ] Deduced a trap composed of 19 places in 206 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:02] [INFO ] Deduced a trap composed of 19 places in 206 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:03] [INFO ] Deduced a trap composed of 14 places in 206 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:03] [INFO ] Deduced a trap composed of 12 places in 211 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:03] [INFO ] Deduced a trap composed of 20 places in 208 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:04] [INFO ] Deduced a trap composed of 21 places in 209 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:04] [INFO ] Deduced a trap composed of 23 places in 210 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:04] [INFO ] Deduced a trap composed of 12 places in 203 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:05] [INFO ] Deduced a trap composed of 14 places in 203 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:05] [INFO ] Deduced a trap composed of 11 places in 205 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:05] [INFO ] Deduced a trap composed of 20 places in 205 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:05] [INFO ] Deduced a trap composed of 23 places in 205 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:06] [INFO ] Deduced a trap composed of 32 places in 200 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:06] [INFO ] Deduced a trap composed of 29 places in 196 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:06] [INFO ] Deduced a trap composed of 29 places in 195 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:07] [INFO ] Deduced a trap composed of 25 places in 196 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:07] [INFO ] Deduced a trap composed of 30 places in 195 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:07] [INFO ] Deduced a trap composed of 32 places in 198 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:08] [INFO ] Deduced a trap composed of 12 places in 210 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:09] [INFO ] Deduced a trap composed of 21 places in 202 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:09] [INFO ] Deduced a trap composed of 14 places in 208 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:09] [INFO ] Deduced a trap composed of 14 places in 207 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:10] [INFO ] Deduced a trap composed of 23 places in 206 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:10] [INFO ] Deduced a trap composed of 23 places in 205 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:10] [INFO ] Deduced a trap composed of 13 places in 200 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:11] [INFO ] Deduced a trap composed of 22 places in 208 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:11] [INFO ] Deduced a trap composed of 20 places in 208 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:12] [INFO ] Deduced a trap composed of 32 places in 201 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:12] [INFO ] Deduced a trap composed of 32 places in 204 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:13] [INFO ] Deduced a trap composed of 29 places in 201 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:13] [INFO ] Deduced a trap composed of 25 places in 192 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:13] [INFO ] Deduced a trap composed of 31 places in 201 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:14] [INFO ] Deduced a trap composed of 29 places in 196 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:14] [INFO ] Deduced a trap composed of 30 places in 204 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:14] [INFO ] Deduced a trap composed of 31 places in 197 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:16] [INFO ] Deduced a trap composed of 37 places in 184 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:16] [INFO ] Deduced a trap composed of 39 places in 191 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:16] [INFO ] Deduced a trap composed of 37 places in 181 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:17] [INFO ] Deduced a trap composed of 37 places in 182 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:17] [INFO ] Deduced a trap composed of 41 places in 198 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:17] [INFO ] Deduced a trap composed of 40 places in 193 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:17] [INFO ] Deduced a trap composed of 40 places in 198 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:18] [INFO ] Deduced a trap composed of 41 places in 191 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:18] [INFO ] Deduced a trap composed of 38 places in 185 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:18] [INFO ] Deduced a trap composed of 41 places in 195 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:19] [INFO ] Deduced a trap composed of 38 places in 185 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:19] [INFO ] Deduced a trap composed of 31 places in 182 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:19] [INFO ] Deduced a trap composed of 31 places in 183 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:20] [INFO ] Deduced a trap composed of 39 places in 187 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:21] [INFO ] Deduced a trap composed of 39 places in 189 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:21] [INFO ] Deduced a trap composed of 41 places in 195 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:24] [INFO ] Deduced a trap composed of 22 places in 211 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:24] [INFO ] Deduced a trap composed of 13 places in 209 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:24] [INFO ] Deduced a trap composed of 23 places in 207 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:24] [INFO ] Deduced a trap composed of 32 places in 197 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:25] [INFO ] Deduced a trap composed of 31 places in 200 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:25] [INFO ] Deduced a trap composed of 13 places in 201 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:25] [INFO ] Deduced a trap composed of 31 places in 200 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:26] [INFO ] Deduced a trap composed of 31 places in 197 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:26] [INFO ] Deduced a trap composed of 13 places in 201 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:27] [INFO ] Deduced a trap composed of 27 places in 193 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:27] [INFO ] Deduced a trap composed of 38 places in 191 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:27] [INFO ] Deduced a trap composed of 35 places in 186 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:28] [INFO ] Deduced a trap composed of 34 places in 185 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:28] [INFO ] Deduced a trap composed of 40 places in 188 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:28] [INFO ] Deduced a trap composed of 41 places in 184 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:31] [INFO ] Deduced a trap composed of 40 places in 190 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:32] [INFO ] Deduced a trap composed of 40 places in 189 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:34] [INFO ] Deduced a trap composed of 30 places in 196 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:35] [INFO ] Deduced a trap composed of 38 places in 184 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:35] [INFO ] Deduced a trap composed of 50 places in 177 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:35] [INFO ] Deduced a trap composed of 47 places in 171 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:36] [INFO ] Deduced a trap composed of 47 places in 172 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:36] [INFO ] Deduced a trap composed of 47 places in 173 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:36] [INFO ] Deduced a trap composed of 47 places in 172 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:37] [INFO ] Deduced a trap composed of 37 places in 167 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:37] [INFO ] Deduced a trap composed of 50 places in 171 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:37] [INFO ] Deduced a trap composed of 48 places in 174 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:38] [INFO ] Deduced a trap composed of 48 places in 172 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:38] [INFO ] Deduced a trap composed of 48 places in 175 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:39] [INFO ] Deduced a trap composed of 50 places in 176 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:40] [INFO ] Deduced a trap composed of 49 places in 170 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:40] [INFO ] Deduced a trap composed of 49 places in 171 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:40] [INFO ] Deduced a trap composed of 42 places in 167 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:42] [INFO ] Deduced a trap composed of 38 places in 190 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:42] [INFO ] Deduced a trap composed of 30 places in 208 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:43] [INFO ] Deduced a trap composed of 37 places in 186 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:44] [INFO ] Deduced a trap composed of 45 places in 178 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:02:44] [INFO ] Deduced a trap composed of 46 places in 168 ms of which 25 ms to minimize.
[2026-05-25 15:02:46] [INFO ] Trap strengthening (SAT) tested/added 92/92 trap constraints in 44474 ms
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[8]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[8]
Support contains 8 out of 592 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 81 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 81 ms. Remains : 592/592 places, 1704/1704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 107 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
[2026-05-25 15:02:46] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:02:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:02:47] [INFO ] Implicit Places using invariants in 758 ms returned []
[2026-05-25 15:02:47] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:02:47] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:02:47] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:02:51] [INFO ] Implicit Places using invariants and state equation in 4819 ms returned []
Implicit Place search using SMT with State Equation took 5578 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 15:02:51] [INFO ] Redundant transitions in 28 ms returned []
Running 1696 sub problems to find dead transitions.
[2026-05-25 15:02:51] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:02:51] [INFO ] Invariant cache hit.
[2026-05-25 15:02:51] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/592 variables, 592/592 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/592 variables, 23/615 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:07] [INFO ] Deduced a trap composed of 11 places in 241 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:07] [INFO ] Deduced a trap composed of 19 places in 231 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:08] [INFO ] Deduced a trap composed of 21 places in 226 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:08] [INFO ] Deduced a trap composed of 22 places in 227 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:08] [INFO ] Deduced a trap composed of 22 places in 215 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:08] [INFO ] Deduced a trap composed of 32 places in 208 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:08] [INFO ] Deduced a trap composed of 34 places in 205 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:09] [INFO ] Deduced a trap composed of 33 places in 199 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:09] [INFO ] Deduced a trap composed of 40 places in 210 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:09] [INFO ] Deduced a trap composed of 43 places in 170 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:09] [INFO ] Deduced a trap composed of 31 places in 186 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:10] [INFO ] Deduced a trap composed of 41 places in 145 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:10] [INFO ] Deduced a trap composed of 23 places in 196 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:10] [INFO ] Deduced a trap composed of 24 places in 198 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:10] [INFO ] Deduced a trap composed of 25 places in 193 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:10] [INFO ] Deduced a trap composed of 28 places in 192 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:11] [INFO ] Deduced a trap composed of 30 places in 187 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:11] [INFO ] Deduced a trap composed of 19 places in 199 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:11] [INFO ] Deduced a trap composed of 19 places in 203 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:11] [INFO ] Deduced a trap composed of 19 places in 203 ms of which 25 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/592 variables, 20/635 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:13] [INFO ] Deduced a trap composed of 11 places in 237 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:13] [INFO ] Deduced a trap composed of 11 places in 243 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:13] [INFO ] Deduced a trap composed of 11 places in 231 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:14] [INFO ] Deduced a trap composed of 11 places in 235 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:14] [INFO ] Deduced a trap composed of 11 places in 233 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:14] [INFO ] Deduced a trap composed of 11 places in 244 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:14] [INFO ] Deduced a trap composed of 11 places in 241 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:15] [INFO ] Deduced a trap composed of 19 places in 226 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:15] [INFO ] Deduced a trap composed of 25 places in 223 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:15] [INFO ] Deduced a trap composed of 30 places in 211 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:15] [INFO ] Deduced a trap composed of 30 places in 197 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:15] [INFO ] Deduced a trap composed of 34 places in 206 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:16] [INFO ] Deduced a trap composed of 44 places in 172 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:16] [INFO ] Deduced a trap composed of 43 places in 167 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:16] [INFO ] Deduced a trap composed of 43 places in 168 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:16] [INFO ] Deduced a trap composed of 43 places in 170 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:16] [INFO ] Deduced a trap composed of 52 places in 170 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:17] [INFO ] Deduced a trap composed of 19 places in 214 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:17] [INFO ] Deduced a trap composed of 19 places in 222 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:17] [INFO ] Deduced a trap composed of 19 places in 229 ms of which 26 ms to minimize.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 3 (INCLUDED_ONLY) 0/592 variables, 20/655 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 592/1960 variables, and 655 constraints, problems are : Problem set: 0 solved, 1696 unsolved in 30033 ms.
Refiners :[Domain max(s): 592/592 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/592 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 1696/1696 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/592 variables, 592/592 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/592 variables, 23/615 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/592 variables, 40/655 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:25] [INFO ] Deduced a trap composed of 37 places in 220 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:26] [INFO ] Deduced a trap composed of 52 places in 181 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:26] [INFO ] Deduced a trap composed of 52 places in 174 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:26] [INFO ] Deduced a trap composed of 52 places in 177 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:26] [INFO ] Deduced a trap composed of 52 places in 177 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:26] [INFO ] Deduced a trap composed of 53 places in 172 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:27] [INFO ] Deduced a trap composed of 52 places in 173 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:27] [INFO ] Deduced a trap composed of 61 places in 171 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:27] [INFO ] Deduced a trap composed of 70 places in 178 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:27] [INFO ] Deduced a trap composed of 70 places in 177 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:27] [INFO ] Deduced a trap composed of 70 places in 176 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:28] [INFO ] Deduced a trap composed of 71 places in 180 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:28] [INFO ] Deduced a trap composed of 70 places in 173 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:28] [INFO ] Deduced a trap composed of 70 places in 173 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:28] [INFO ] Deduced a trap composed of 70 places in 180 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:28] [INFO ] Deduced a trap composed of 43 places in 137 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:29] [INFO ] Deduced a trap composed of 42 places in 124 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:29] [INFO ] Deduced a trap composed of 42 places in 130 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:29] [INFO ] Deduced a trap composed of 43 places in 125 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:29] [INFO ] Deduced a trap composed of 42 places in 128 ms of which 11 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/592 variables, 20/675 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:31] [INFO ] Deduced a trap composed of 32 places in 222 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:32] [INFO ] Deduced a trap composed of 43 places in 182 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:32] [INFO ] Deduced a trap composed of 40 places in 183 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:32] [INFO ] Deduced a trap composed of 41 places in 180 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:32] [INFO ] Deduced a trap composed of 41 places in 194 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:32] [INFO ] Deduced a trap composed of 61 places in 171 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:33] [INFO ] Deduced a trap composed of 61 places in 171 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:33] [INFO ] Deduced a trap composed of 72 places in 169 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:33] [INFO ] Deduced a trap composed of 29 places in 217 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:33] [INFO ] Deduced a trap composed of 38 places in 199 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:33] [INFO ] Deduced a trap composed of 55 places in 181 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:34] [INFO ] Deduced a trap composed of 86 places in 151 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:34] [INFO ] Deduced a trap composed of 61 places in 146 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:34] [INFO ] Deduced a trap composed of 61 places in 148 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:34] [INFO ] Deduced a trap composed of 62 places in 152 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:34] [INFO ] Deduced a trap composed of 61 places in 151 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:34] [INFO ] Deduced a trap composed of 12 places in 189 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:35] [INFO ] Deduced a trap composed of 12 places in 196 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:35] [INFO ] Deduced a trap composed of 12 places in 187 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:35] [INFO ] Deduced a trap composed of 12 places in 198 ms of which 17 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/592 variables, 20/695 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:38] [INFO ] Deduced a trap composed of 40 places in 152 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:38] [INFO ] Deduced a trap composed of 41 places in 156 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:38] [INFO ] Deduced a trap composed of 42 places in 148 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:39] [INFO ] Deduced a trap composed of 42 places in 148 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:39] [INFO ] Deduced a trap composed of 27 places in 208 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:39] [INFO ] Deduced a trap composed of 31 places in 203 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:39] [INFO ] Deduced a trap composed of 25 places in 205 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:40] [INFO ] Deduced a trap composed of 27 places in 207 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:40] [INFO ] Deduced a trap composed of 31 places in 195 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:40] [INFO ] Deduced a trap composed of 27 places in 202 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:40] [INFO ] Deduced a trap composed of 31 places in 197 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:41] [INFO ] Deduced a trap composed of 25 places in 204 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:41] [INFO ] Deduced a trap composed of 21 places in 191 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:42] [INFO ] Deduced a trap composed of 22 places in 191 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:42] [INFO ] Deduced a trap composed of 22 places in 184 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:42] [INFO ] Deduced a trap composed of 23 places in 217 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:42] [INFO ] Deduced a trap composed of 23 places in 208 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:42] [INFO ] Deduced a trap composed of 24 places in 213 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:43] [INFO ] Deduced a trap composed of 33 places in 192 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:43] [INFO ] Deduced a trap composed of 33 places in 188 ms of which 24 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/592 variables, 20/715 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:46] [INFO ] Deduced a trap composed of 27 places in 211 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:47] [INFO ] Deduced a trap composed of 35 places in 210 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:47] [INFO ] Deduced a trap composed of 52 places in 153 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:48] [INFO ] Deduced a trap composed of 28 places in 211 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:48] [INFO ] Deduced a trap composed of 33 places in 175 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:49] [INFO ] Deduced a trap composed of 34 places in 183 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:49] [INFO ] Deduced a trap composed of 34 places in 178 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:49] [INFO ] Deduced a trap composed of 33 places in 177 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:49] [INFO ] Deduced a trap composed of 33 places in 178 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:49] [INFO ] Deduced a trap composed of 20 places in 190 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:50] [INFO ] Deduced a trap composed of 34 places in 164 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:50] [INFO ] Deduced a trap composed of 29 places in 174 ms of which 18 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 592/1960 variables, and 727 constraints, problems are : Problem set: 0 solved, 1696 unsolved in 30036 ms.
Refiners :[Domain max(s): 592/592 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/592 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 0/1696 constraints, Known Traps: 112/112 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60421ms problems are : Problem set: 0 solved, 1696 unsolved
Search for dead transitions found 0 dead transitions in 60426ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66145 ms. Remains : 592/592 places, 1704/1704 transitions.
RANDOM walk for 40000 steps (8 resets) in 215 ms. (185 steps per ms) remains 2/2 properties
[2026-05-25 15:03:52] [INFO ] Flatten gal took : 73 ms
BEST_FIRST walk for 40004 steps (8 resets) in 91 ms. (434 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 58 ms. (678 steps per ms) remains 2/2 properties
[2026-05-25 15:03:52] [INFO ] Flatten gal took : 80 ms
[2026-05-25 15:03:52] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality542184772750440549.gal : 9 ms
[2026-05-25 15:03:52] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16857721845925912218.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality542184772750440549.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16857721845925912218.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/ReachabilityCardinality16857721845925912218.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 13
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :13 after 20
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :20 after 27
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :27 after 32
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :32 after 99
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :99 after 121
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :121 after 283
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :283 after 382
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :382 after 1622
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1622 after 2576
Interrupted probabilistic random walk after 639990 steps, run timeout after 3001 ms. (steps per millisecond=213 ) properties seen :0 out of 2
Probabilistic random walk after 639990 steps, saw 88159 distinct states, run finished after 3001 ms. (steps per millisecond=213 ) properties seen :0
[2026-05-25 15:03:55] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:03:55] [INFO ] Invariant cache hit.
[2026-05-25 15:03:55] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 520/528 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/528 variables, 520/536 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/536 variables, 8/544 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 8/552 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1368/1904 variables, 536/1088 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1904 variables, 497/1585 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1904 variables, 0/1585 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 56/1960 variables, 56/1641 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/1960 variables, 56/1697 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1960 variables, 7/1704 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1960 variables, 0/1704 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 15 (OVERLAPS) 0/1960 variables, 0/1704 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1960/1960 variables, and 1704 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1277 ms.
Refiners :[Domain max(s): 592/592 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 592/592 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 520/528 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/528 variables, 520/536 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 8/536 variables, 8/544 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 8/552 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 1368/1904 variables, 536/1088 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1904 variables, 497/1585 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1904 variables, 2/1587 constraints. Problems are: Problem set: 0 solved, 2 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :2576 after 7200
At refinement iteration 11 (INCLUDED_ONLY) 0/1904 variables, 0/1587 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 12 (OVERLAPS) 56/1960 variables, 56/1643 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1960 variables, 56/1699 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1960 variables, 7/1706 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:58] [INFO ] Deduced a trap composed of 11 places in 212 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:58] [INFO ] Deduced a trap composed of 11 places in 220 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:59] [INFO ] Deduced a trap composed of 11 places in 214 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:59] [INFO ] Deduced a trap composed of 11 places in 207 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:59] [INFO ] Deduced a trap composed of 11 places in 211 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:03:59] [INFO ] Deduced a trap composed of 11 places in 219 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:00] [INFO ] Deduced a trap composed of 11 places in 212 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:00] [INFO ] Deduced a trap composed of 11 places in 211 ms of which 18 ms to minimize.
Problem MAX0 is UNSAT
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:01] [INFO ] Deduced a trap composed of 12 places in 207 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:01] [INFO ] Deduced a trap composed of 15 places in 199 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:01] [INFO ] Deduced a trap composed of 20 places in 205 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:01] [INFO ] Deduced a trap composed of 24 places in 209 ms of which 24 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1960/1960 variables, and 1718 constraints, problems are : Problem set: 1 solved, 1 unsolved in 5009 ms.
Refiners :[Domain max(s): 592/592 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 592/592 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 6316ms problems are : Problem set: 1 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 592 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 28 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 592/592 places, 1704/1704 transitions.
RANDOM walk for 40000 steps (8 resets) in 137 ms. (289 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 749547 steps, run timeout after 3001 ms. (steps per millisecond=249 ) properties seen :0 out of 1
Probabilistic random walk after 749547 steps, saw 100146 distinct states, run finished after 3001 ms. (steps per millisecond=249 ) properties seen :0
[2026-05-25 15:04:04] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:04:04] [INFO ] Invariant cache hit.
[2026-05-25 15:04:04] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 520/528 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/528 variables, 520/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 0/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/536 variables, 8/544 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/536 variables, 8/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 0/552 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1368/1904 variables, 536/1088 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1904 variables, 497/1585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1904 variables, 0/1585 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 56/1960 variables, 56/1641 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1960 variables, 56/1697 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/1960 variables, 7/1704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1960 variables, 0/1704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/1960 variables, 0/1704 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1960/1960 variables, and 1704 constraints, problems are : Problem set: 0 solved, 1 unsolved in 605 ms.
Refiners :[Domain max(s): 592/592 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 592/592 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/8 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 520/528 variables, 8/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/528 variables, 520/536 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:05] [INFO ] Deduced a trap composed of 97 places in 76 ms of which 7 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/528 variables, 1/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/528 variables, 0/537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/536 variables, 8/545 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/536 variables, 8/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/536 variables, 0/553 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1368/1904 variables, 536/1089 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1904 variables, 497/1586 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1904 variables, 1/1587 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1904 variables, 0/1587 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 56/1960 variables, 56/1643 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/1960 variables, 56/1699 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/1960 variables, 7/1706 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :7200 after 16545
[2026-05-25 15:04:06] [INFO ] Deduced a trap composed of 16 places in 214 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:06] [INFO ] Deduced a trap composed of 11 places in 213 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:07] [INFO ] Deduced a trap composed of 11 places in 214 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:07] [INFO ] Deduced a trap composed of 20 places in 201 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:07] [INFO ] Deduced a trap composed of 25 places in 202 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:08] [INFO ] Deduced a trap composed of 20 places in 204 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:08] [INFO ] Deduced a trap composed of 11 places in 205 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:08] [INFO ] Deduced a trap composed of 29 places in 202 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:09] [INFO ] Deduced a trap composed of 34 places in 201 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:09] [INFO ] Deduced a trap composed of 29 places in 195 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:09] [INFO ] Deduced a trap composed of 20 places in 201 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:09] [INFO ] Deduced a trap composed of 15 places in 212 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:10] [INFO ] Deduced a trap composed of 24 places in 214 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:10] [INFO ] Deduced a trap composed of 33 places in 203 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:10] [INFO ] Deduced a trap composed of 16 places in 218 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:11] [INFO ] Deduced a trap composed of 16 places in 209 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:11] [INFO ] Deduced a trap composed of 25 places in 211 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:11] [INFO ] Deduced a trap composed of 25 places in 216 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:12] [INFO ] Deduced a trap composed of 34 places in 209 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:12] [INFO ] Deduced a trap composed of 34 places in 201 ms of which 27 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/1960 variables, 20/1726 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:12] [INFO ] Deduced a trap composed of 16 places in 204 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:12] [INFO ] Deduced a trap composed of 25 places in 211 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:13] [INFO ] Deduced a trap composed of 35 places in 201 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:13] [INFO ] Deduced a trap composed of 35 places in 203 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:14] [INFO ] Deduced a trap composed of 26 places in 212 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:14] [INFO ] Deduced a trap composed of 34 places in 200 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:14] [INFO ] Deduced a trap composed of 35 places in 202 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:15] [INFO ] Deduced a trap composed of 26 places in 204 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:15] [INFO ] Deduced a trap composed of 29 places in 188 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:15] [INFO ] Deduced a trap composed of 35 places in 201 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:16] [INFO ] Deduced a trap composed of 11 places in 211 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:16] [INFO ] Deduced a trap composed of 19 places in 198 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:16] [INFO ] Deduced a trap composed of 43 places in 189 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:17] [INFO ] Deduced a trap composed of 44 places in 207 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:17] [INFO ] Deduced a trap composed of 44 places in 193 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:17] [INFO ] Deduced a trap composed of 43 places in 189 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:17] [INFO ] Deduced a trap composed of 19 places in 218 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:18] [INFO ] Deduced a trap composed of 34 places in 218 ms of which 34 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:18] [INFO ] Deduced a trap composed of 43 places in 194 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:18] [INFO ] Deduced a trap composed of 15 places in 199 ms of which 18 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/1960 variables, 20/1746 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD size :16545 after 73802
[2026-05-25 15:04:19] [INFO ] Deduced a trap composed of 24 places in 197 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:19] [INFO ] Deduced a trap composed of 25 places in 201 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:19] [INFO ] Deduced a trap composed of 38 places in 198 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:20] [INFO ] Deduced a trap composed of 38 places in 189 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:20] [INFO ] Deduced a trap composed of 44 places in 196 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:20] [INFO ] Deduced a trap composed of 29 places in 199 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:20] [INFO ] Deduced a trap composed of 38 places in 191 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:21] [INFO ] Deduced a trap composed of 38 places in 191 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:21] [INFO ] Deduced a trap composed of 42 places in 197 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:22] [INFO ] Deduced a trap composed of 25 places in 197 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:22] [INFO ] Deduced a trap composed of 31 places in 186 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:22] [INFO ] Deduced a trap composed of 11 places in 196 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:23] [INFO ] Deduced a trap composed of 20 places in 211 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:23] [INFO ] Deduced a trap composed of 27 places in 207 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:23] [INFO ] Deduced a trap composed of 38 places in 189 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:24] [INFO ] Deduced a trap composed of 29 places in 201 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:24] [INFO ] Deduced a trap composed of 47 places in 177 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:24] [INFO ] Deduced a trap composed of 53 places in 170 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:24] [INFO ] Deduced a trap composed of 47 places in 174 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:25] [INFO ] Deduced a trap composed of 47 places in 178 ms of which 24 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/1960 variables, 20/1766 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:25] [INFO ] Deduced a trap composed of 47 places in 172 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:25] [INFO ] Deduced a trap composed of 47 places in 171 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:26] [INFO ] Deduced a trap composed of 20 places in 184 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:26] [INFO ] Deduced a trap composed of 52 places in 180 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:26] [INFO ] Deduced a trap composed of 51 places in 174 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:27] [INFO ] Deduced a trap composed of 37 places in 167 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:27] [INFO ] Deduced a trap composed of 21 places in 191 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:27] [INFO ] Deduced a trap composed of 28 places in 193 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:28] [INFO ] Deduced a trap composed of 35 places in 171 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:28] [INFO ] Deduced a trap composed of 42 places in 171 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:28] [INFO ] Deduced a trap composed of 11 places in 193 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:29] [INFO ] Deduced a trap composed of 19 places in 193 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:29] [INFO ] Deduced a trap composed of 20 places in 203 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:29] [INFO ] Deduced a trap composed of 29 places in 196 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:29] [INFO ] Deduced a trap composed of 38 places in 206 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:30] [INFO ] Deduced a trap composed of 47 places in 173 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:30] [INFO ] Deduced a trap composed of 56 places in 152 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:30] [INFO ] Deduced a trap composed of 62 places in 157 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:30] [INFO ] Deduced a trap composed of 56 places in 155 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:31] [INFO ] Deduced a trap composed of 56 places in 148 ms of which 24 ms to minimize.
At refinement iteration 19 (INCLUDED_ONLY) 0/1960 variables, 20/1786 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:31] [INFO ] Deduced a trap composed of 56 places in 159 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:31] [INFO ] Deduced a trap composed of 56 places in 150 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:32] [INFO ] Deduced a trap composed of 56 places in 158 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:32] [INFO ] Deduced a trap composed of 61 places in 153 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:33] [INFO ] Deduced a trap composed of 23 places in 197 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:33] [INFO ] Deduced a trap composed of 50 places in 163 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:34] [INFO ] Deduced a trap composed of 59 places in 147 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:34] [INFO ] Deduced a trap composed of 60 places in 155 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:35] [INFO ] Deduced a trap composed of 43 places in 143 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:36] [INFO ] Deduced a trap composed of 49 places in 167 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:36] [INFO ] Deduced a trap composed of 19 places in 210 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:37] [INFO ] Deduced a trap composed of 25 places in 193 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:37] [INFO ] Deduced a trap composed of 27 places in 196 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:37] [INFO ] Deduced a trap composed of 34 places in 194 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:38] [INFO ] Deduced a trap composed of 41 places in 181 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:38] [INFO ] Deduced a trap composed of 48 places in 157 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:38] [INFO ] Deduced a trap composed of 29 places in 181 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:38] [INFO ] Deduced a trap composed of 38 places in 182 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:39] [INFO ] Deduced a trap composed of 47 places in 170 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:39] [INFO ] Deduced a trap composed of 56 places in 147 ms of which 23 ms to minimize.
At refinement iteration 20 (INCLUDED_ONLY) 0/1960 variables, 20/1806 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:39] [INFO ] Deduced a trap composed of 71 places in 123 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:39] [INFO ] Deduced a trap composed of 65 places in 121 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:40] [INFO ] Deduced a trap composed of 65 places in 126 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:40] [INFO ] Deduced a trap composed of 65 places in 123 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:40] [INFO ] Deduced a trap composed of 65 places in 123 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:40] [INFO ] Deduced a trap composed of 65 places in 139 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:41] [INFO ] Deduced a trap composed of 65 places in 131 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:41] [INFO ] Deduced a trap composed of 65 places in 122 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:41] [INFO ] Deduced a trap composed of 70 places in 124 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:42] [INFO ] Deduced a trap composed of 49 places in 118 ms of which 14 ms to minimize.
Detected timeout of ITS tools.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:42] [INFO ] Flatten gal took : 43 ms
[2026-05-25 15:04:42] [INFO ] Applying decomposition
[2026-05-25 15:04:42] [INFO ] Flatten gal took : 43 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph12036010656874852014.txt' '-o' '/tmp/graph12036010656874852014.bin' '-w' '/tmp/graph12036010656874852014.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12036010656874852014.bin' '-l' '-1' '-v' '-w' '/tmp/graph12036010656874852014.weights' '-q' '0' '-e' '0.001'
[2026-05-25 15:04:42] [INFO ] Decomposing Gal with order
[2026-05-25 15:04:42] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:04:42] [INFO ] Deduced a trap composed of 68 places in 184 ms of which 16 ms to minimize.
[2026-05-25 15:04:42] [INFO ] Removed a total of 2596 redundant transitions.
[2026-05-25 15:04:43] [INFO ] Flatten gal took : 91 ms
[2026-05-25 15:04:43] [INFO ] Fuse similar labels procedure discarded/fused a total of 454 labels/synchronizations in 46 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:43] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality13339838622456286089.gal : 11 ms
[2026-05-25 15:04:43] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8276277584859314187.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality13339838622456286089.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8276277584859314187.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 ...329
[2026-05-25 15:04:43] [INFO ] Deduced a trap composed of 11 places in 112 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Loading property file /tmp/ReachabilityCardinality8276277584859314187.prop.
[2026-05-25 15:04:43] [INFO ] Deduced a trap composed of 20 places in 94 ms of which 10 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :4 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 10
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :10 after 25
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :25 after 33
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :33 after 36
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :36 after 97
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :97 after 339
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :339 after 1114
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1114 after 3533
[2026-05-25 15:04:45] [INFO ] Deduced a trap composed of 39 places in 174 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:45] [INFO ] Deduced a trap composed of 47 places in 169 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:45] [INFO ] Deduced a trap composed of 55 places in 142 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:45] [INFO ] Deduced a trap composed of 63 places in 119 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:46] [INFO ] Deduced a trap composed of 56 places in 118 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:47] [INFO ] Deduced a trap composed of 69 places in 126 ms of which 18 ms to minimize.
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :3533 after 27865
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:49] [INFO ] Deduced a trap composed of 23 places in 215 ms of which 27 ms to minimize.
At refinement iteration 21 (INCLUDED_ONLY) 0/1960 variables, 20/1826 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:50] [INFO ] Deduced a trap composed of 22 places in 212 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:50] [INFO ] Deduced a trap composed of 22 places in 213 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:04:50] [INFO ] Deduced a trap composed of 22 places in 219 ms of which 27 ms to minimize.
SMT process timed out in 45680ms, After SMT, problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 8 out of 592 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 33 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 592/592 places, 1704/1704 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 592/592 places, 1704/1704 transitions.
Applied a total of 0 rules in 21 ms. Remains 592 /592 variables (removed 0) and now considering 1704/1704 (removed 0) transitions.
[2026-05-25 15:04:50] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:04:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:04:51] [INFO ] Implicit Places using invariants in 758 ms returned []
[2026-05-25 15:04:51] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:04:51] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:04:51] [INFO ] State equation strengthened by 497 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :27865 after 45720
[2026-05-25 15:04:56] [INFO ] Implicit Places using invariants and state equation in 4723 ms returned []
Implicit Place search using SMT with State Equation took 5482 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 15:04:56] [INFO ] Redundant transitions in 21 ms returned []
Running 1696 sub problems to find dead transitions.
[2026-05-25 15:04:56] [INFO ] Flow matrix only has 1368 transitions (discarded 336 similar events)
[2026-05-25 15:04:56] [INFO ] Invariant cache hit.
[2026-05-25 15:04:56] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :45720 after 200825
At refinement iteration 0 (INCLUDED_ONLY) 0/592 variables, 592/592 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/592 variables, 23/615 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:11] [INFO ] Deduced a trap composed of 11 places in 222 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:12] [INFO ] Deduced a trap composed of 19 places in 233 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:12] [INFO ] Deduced a trap composed of 21 places in 220 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:12] [INFO ] Deduced a trap composed of 22 places in 221 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:12] [INFO ] Deduced a trap composed of 22 places in 212 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:13] [INFO ] Deduced a trap composed of 32 places in 207 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:13] [INFO ] Deduced a trap composed of 34 places in 207 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:13] [INFO ] Deduced a trap composed of 33 places in 200 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:13] [INFO ] Deduced a trap composed of 40 places in 210 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:13] [INFO ] Deduced a trap composed of 43 places in 172 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:14] [INFO ] Deduced a trap composed of 31 places in 181 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:14] [INFO ] Deduced a trap composed of 41 places in 152 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:14] [INFO ] Deduced a trap composed of 23 places in 192 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:14] [INFO ] Deduced a trap composed of 24 places in 190 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:14] [INFO ] Deduced a trap composed of 25 places in 191 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:15] [INFO ] Deduced a trap composed of 28 places in 197 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:15] [INFO ] Deduced a trap composed of 30 places in 189 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:15] [INFO ] Deduced a trap composed of 19 places in 197 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:15] [INFO ] Deduced a trap composed of 19 places in 194 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:16] [INFO ] Deduced a trap composed of 19 places in 198 ms of which 26 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/592 variables, 20/635 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:17] [INFO ] Deduced a trap composed of 11 places in 240 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:17] [INFO ] Deduced a trap composed of 11 places in 230 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:18] [INFO ] Deduced a trap composed of 11 places in 244 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:18] [INFO ] Deduced a trap composed of 11 places in 230 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:18] [INFO ] Deduced a trap composed of 11 places in 233 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:18] [INFO ] Deduced a trap composed of 11 places in 231 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:19] [INFO ] Deduced a trap composed of 11 places in 229 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:19] [INFO ] Deduced a trap composed of 19 places in 223 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:19] [INFO ] Deduced a trap composed of 25 places in 216 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:19] [INFO ] Deduced a trap composed of 30 places in 202 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:19] [INFO ] Deduced a trap composed of 30 places in 194 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:20] [INFO ] Deduced a trap composed of 34 places in 193 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:20] [INFO ] Deduced a trap composed of 44 places in 167 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:20] [INFO ] Deduced a trap composed of 43 places in 172 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:20] [INFO ] Deduced a trap composed of 43 places in 166 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:20] [INFO ] Deduced a trap composed of 43 places in 164 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:21] [INFO ] Deduced a trap composed of 52 places in 168 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:21] [INFO ] Deduced a trap composed of 19 places in 212 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:21] [INFO ] Deduced a trap composed of 19 places in 210 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:21] [INFO ] Deduced a trap composed of 19 places in 213 ms of which 25 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/592 variables, 20/655 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 592/1960 variables, and 655 constraints, problems are : Problem set: 0 solved, 1696 unsolved in 30041 ms.
Refiners :[Domain max(s): 592/592 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 0/592 constraints, ReadFeed: 0/497 constraints, PredecessorRefiner: 1696/1696 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/592 variables, 592/592 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/592 variables, 23/615 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :200825 after 941919
At refinement iteration 2 (INCLUDED_ONLY) 0/592 variables, 40/655 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:30] [INFO ] Deduced a trap composed of 37 places in 204 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:30] [INFO ] Deduced a trap composed of 52 places in 167 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:30] [INFO ] Deduced a trap composed of 52 places in 180 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:30] [INFO ] Deduced a trap composed of 52 places in 168 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:30] [INFO ] Deduced a trap composed of 52 places in 163 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:31] [INFO ] Deduced a trap composed of 53 places in 171 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:31] [INFO ] Deduced a trap composed of 52 places in 167 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:31] [INFO ] Deduced a trap composed of 61 places in 172 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:31] [INFO ] Deduced a trap composed of 70 places in 168 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:31] [INFO ] Deduced a trap composed of 70 places in 170 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:31] [INFO ] Deduced a trap composed of 70 places in 174 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:32] [INFO ] Deduced a trap composed of 71 places in 172 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:32] [INFO ] Deduced a trap composed of 70 places in 174 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:32] [INFO ] Deduced a trap composed of 70 places in 177 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:32] [INFO ] Deduced a trap composed of 70 places in 172 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:32] [INFO ] Deduced a trap composed of 43 places in 130 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:33] [INFO ] Deduced a trap composed of 42 places in 125 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:33] [INFO ] Deduced a trap composed of 42 places in 124 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-25 15:05:33] [INFO ] Deduced a trap composed of 43 places in 128 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:33] [INFO ] Deduced a trap composed of 42 places in 124 ms of which 10 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/592 variables, 20/675 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:35] [INFO ] Deduced a trap composed of 32 places in 224 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:36] [INFO ] Deduced a trap composed of 43 places in 179 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:36] [INFO ] Deduced a trap composed of 40 places in 176 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:36] [INFO ] Deduced a trap composed of 41 places in 176 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:36] [INFO ] Deduced a trap composed of 41 places in 185 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:36] [INFO ] Deduced a trap composed of 61 places in 167 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:37] [INFO ] Deduced a trap composed of 61 places in 185 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:37] [INFO ] Deduced a trap composed of 72 places in 163 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:37] [INFO ] Deduced a trap composed of 29 places in 223 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:37] [INFO ] Deduced a trap composed of 38 places in 196 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:37] [INFO ] Deduced a trap composed of 55 places in 181 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:38] [INFO ] Deduced a trap composed of 86 places in 146 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:38] [INFO ] Deduced a trap composed of 61 places in 147 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:38] [INFO ] Deduced a trap composed of 61 places in 154 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:38] [INFO ] Deduced a trap composed of 62 places in 146 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:38] [INFO ] Deduced a trap composed of 61 places in 152 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:39] [INFO ] Deduced a trap composed of 12 places in 195 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:39] [INFO ] Deduced a trap composed of 12 places in 188 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:39] [INFO ] Deduced a trap composed of 12 places in 200 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:39] [INFO ] Deduced a trap composed of 12 places in 192 ms of which 16 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/592 variables, 20/695 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:42] [INFO ] Deduced a trap composed of 40 places in 152 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:42] [INFO ] Deduced a trap composed of 41 places in 154 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:42] [INFO ] Deduced a trap composed of 42 places in 148 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:43] [INFO ] Deduced a trap composed of 42 places in 151 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:43] [INFO ] Deduced a trap composed of 27 places in 208 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:43] [INFO ] Deduced a trap composed of 31 places in 200 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:44] [INFO ] Deduced a trap composed of 25 places in 204 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:44] [INFO ] Deduced a trap composed of 27 places in 199 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:44] [INFO ] Deduced a trap composed of 31 places in 204 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:44] [INFO ] Deduced a trap composed of 27 places in 207 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:45] [INFO ] Deduced a trap composed of 31 places in 214 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:45] [INFO ] Deduced a trap composed of 25 places in 202 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:45] [INFO ] Deduced a trap composed of 21 places in 190 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:46] [INFO ] Deduced a trap composed of 22 places in 199 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:46] [INFO ] Deduced a trap composed of 22 places in 183 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:46] [INFO ] Deduced a trap composed of 23 places in 208 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:46] [INFO ] Deduced a trap composed of 23 places in 201 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:47] [INFO ] Deduced a trap composed of 24 places in 210 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:47] [INFO ] Deduced a trap composed of 33 places in 189 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:47] [INFO ] Deduced a trap composed of 33 places in 191 ms of which 25 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/592 variables, 20/715 constraints. Problems are: Problem set: 0 solved, 1696 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:50] [INFO ] Deduced a trap composed of 27 places in 215 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:51] [INFO ] Deduced a trap composed of 35 places in 207 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:51] [INFO ] Deduced a trap composed of 52 places in 149 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:52] [INFO ] Deduced a trap composed of 28 places in 217 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:52] [INFO ] Deduced a trap composed of 33 places in 176 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:52] [INFO ] Deduced a trap composed of 34 places in 180 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:53] [INFO ] Deduced a trap composed of 34 places in 172 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:53] [INFO ] Deduced a trap composed of 33 places in 173 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:53] [INFO ] Deduced a trap composed of 33 places in 175 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:53] [INFO ] Deduced a trap composed of 20 places in 198 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:53] [INFO ] Deduced a trap composed of 34 places in 157 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:54] [INFO ] Deduced a trap composed of 29 places in 168 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:56] [INFO ] Deduced a trap composed of 52 places in 171 ms of which 21 ms to minimize.
SMT process timed out in 60406ms, After SMT, problems are : Problem set: 0 solved, 1696 unsolved
Search for dead transitions found 0 dead transitions in 60410ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 65947 ms. Remains : 592/592 places, 1704/1704 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1] Max Struct:[8]
Ending property specific reduction for Peterson-PT-7-UpperBounds-01 in 244579 ms.
Starting property specific reduction for Peterson-PT-7-UpperBounds-03
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0] Max Struct:[448]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[448]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[448]
[2026-05-25 15:05:56] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
// Phase 1: matrix 1873 rows 1097 cols
[2026-05-25 15:05:56] [INFO ] Computed 23 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[448]
RANDOM walk for 10000 steps (2 resets) in 75 ms. (131 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 69 ms. (142 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[448]
[2026-05-25 15:05:56] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 15:05:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 15:05:56] [INFO ] [Real]Absence check using 23 positive place invariants in 27 ms returned sat
[2026-05-25 15:05:57] [INFO ] [Real]Absence check using state equation in 443 ms returned sat
[2026-05-25 15:05:57] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:05:57] [INFO ] [Real]Added 497 Read/Feed constraints in 65 ms returned sat
[2026-05-25 15:05:57] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 15:05:57] [INFO ] [Nat]Absence check using 23 positive place invariants in 28 ms returned sat
[2026-05-25 15:05:58] [INFO ] [Nat]Absence check using state equation in 405 ms returned sat
[2026-05-25 15:05:58] [INFO ] [Nat]Added 497 Read/Feed constraints in 301 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:05:58] [INFO ] Deduced a trap composed of 13 places in 421 ms of which 18 ms to minimize.
[2026-05-25 15:05:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 561 ms
[2026-05-25 15:05:59] [INFO ] Computed and/alt/rep : 1753/5289/1753 causal constraints (skipped 112 transitions) in 87 ms.
[2026-05-25 15:05:59] [INFO ] Added : 5 causal constraints over 1 iterations in 835 ms. Result :sat
Minimization took 691 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[448]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[448]
Support contains 448 out of 1097 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2209/2209 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 1097 transition count 2208
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 1096 transition count 2208
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 8 Pre rules applied. Total rules applied 2 place count 1096 transition count 2200
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 2 with 16 rules applied. Total rules applied 18 place count 1088 transition count 2200
Applied a total of 18 rules in 52 ms. Remains 1088 /1097 variables (removed 9) and now considering 2200/2209 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 53 ms. Remains : 1088/1097 places, 2200/2209 transitions.
[2026-05-25 15:06:00] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
// Phase 1: matrix 1864 rows 1088 cols
[2026-05-25 15:06:00] [INFO ] Computed 23 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[448]
RANDOM walk for 1000000 steps (2 resets) in 7068 ms. (141 steps per ms)
BEST_FIRST walk for 711821 steps (2 resets) in 5001 ms. (142 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[448]
[2026-05-25 15:06:12] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:06:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:06:12] [INFO ] [Real]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 15:06:13] [INFO ] [Real]Absence check using state equation in 450 ms returned sat
[2026-05-25 15:06:13] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:06:13] [INFO ] [Real]Added 497 Read/Feed constraints in 60 ms returned sat
[2026-05-25 15:06:13] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:06:13] [INFO ] [Nat]Absence check using 23 positive place invariants in 27 ms returned sat
[2026-05-25 15:06:14] [INFO ] [Nat]Absence check using state equation in 467 ms returned sat
[2026-05-25 15:06:14] [INFO ] [Nat]Added 497 Read/Feed constraints in 368 ms returned sat
[2026-05-25 15:06:14] [INFO ] Computed and/alt/rep : 1744/5280/1744 causal constraints (skipped 112 transitions) in 80 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:06:17] [INFO ] Deduced a trap composed of 27 places in 375 ms of which 33 ms to minimize.
[2026-05-25 15:06:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 819 ms
[2026-05-25 15:06:18] [INFO ] Added : 57 causal constraints over 12 iterations in 4267 ms. Result :sat
Minimization took 1574 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[448]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[448]
Support contains 448 out of 1088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 22 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 1088/1088 places, 2200/2200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 22 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
[2026-05-25 15:06:21] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:06:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:06:23] [INFO ] Implicit Places using invariants in 1846 ms returned []
[2026-05-25 15:06:23] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:06:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:06:23] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:06:39] [INFO ] Implicit Places using invariants and state equation in 16621 ms returned []
Implicit Place search using SMT with State Equation took 18473 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 15:06:39] [INFO ] Redundant transitions in 31 ms returned []
Running 2192 sub problems to find dead transitions.
[2026-05-25 15:06:39] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:06:39] [INFO ] Invariant cache hit.
[2026-05-25 15:06:39] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1088 variables, 1088/1088 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
SMT process timed out in 30523ms, After SMT, problems are : Problem set: 0 solved, 2192 unsolved
Search for dead transitions found 0 dead transitions in 30526ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49065 ms. Remains : 1088/1088 places, 2200/2200 transitions.
[2026-05-25 15:07:10] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:07:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[448]
RANDOM walk for 1000000 steps (2 resets) in 7020 ms. (142 steps per ms)
BEST_FIRST walk for 720803 steps (2 resets) in 5001 ms. (144 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[448]
[2026-05-25 15:07:22] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:07:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:07:22] [INFO ] [Real]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 15:07:22] [INFO ] [Real]Absence check using state equation in 448 ms returned sat
[2026-05-25 15:07:22] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:07:22] [INFO ] [Real]Added 497 Read/Feed constraints in 58 ms returned sat
[2026-05-25 15:07:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:07:23] [INFO ] [Nat]Absence check using 23 positive place invariants in 29 ms returned sat
[2026-05-25 15:07:23] [INFO ] [Nat]Absence check using state equation in 475 ms returned sat
[2026-05-25 15:07:24] [INFO ] [Nat]Added 497 Read/Feed constraints in 372 ms returned sat
[2026-05-25 15:07:24] [INFO ] Computed and/alt/rep : 1744/5280/1744 causal constraints (skipped 112 transitions) in 77 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:07:27] [INFO ] Deduced a trap composed of 27 places in 396 ms of which 32 ms to minimize.
[2026-05-25 15:07:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 846 ms
[2026-05-25 15:07:28] [INFO ] Added : 57 causal constraints over 12 iterations in 4272 ms. Result :sat
Minimization took 1587 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[448]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[448]
Support contains 448 out of 1088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 22 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 1088/1088 places, 2200/2200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 21 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
[2026-05-25 15:07:30] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:07:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:07:32] [INFO ] Implicit Places using invariants in 1897 ms returned []
[2026-05-25 15:07:32] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:07:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:07:33] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:07:49] [INFO ] Implicit Places using invariants and state equation in 16628 ms returned []
Implicit Place search using SMT with State Equation took 18527 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 15:07:49] [INFO ] Redundant transitions in 36 ms returned []
Running 2192 sub problems to find dead transitions.
[2026-05-25 15:07:49] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:07:49] [INFO ] Invariant cache hit.
[2026-05-25 15:07:49] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
Error getting values : (error "ParserException while parsing response: ((s0 1.0)
(s1 1.0)
(s2 1.0)
(s3 1.0)
(s4 1.0)
(s5 1.0)
(s6 1.0)
(s7 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 1.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 1.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 1.0)
(s77 1.0)
(s78 1.0)
(s79 1.0)
(s80 1.0)
(s81 1.0)
(s82 1.0)
(s83 1.0)
(s84 1.0)
(s85 1.0)
(s86 1.0)
(s87 1.0)
(s88 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
(s151 1.0)
(s152 1.0)
(s153 1.0)
(s154 1.0)
(s155 1.0)
(s156 1.0)
(s157 1.0)
(s158 1.0)
(s159 1.0)
(s160 1.0)
(s161 1.0)
(s162 1.0)
(s163 1.0)
(s164 1.0)
(s165 1.0)
(s166 1.0)
(s167 1.0)
(s168 1.0)
(s169 1.0)
(s170 1.0)
(s171 1.0)
(s172 1.0)
(s173 1.0)
(s174 1.0)
(s175 1.0)
(s176 1.0)
(s177 1.0)
(s178 1.0)
(s179 1.0)
(s180 1.0)
(s181 1.0)
(s182 1.0)
(s183 1.0)
(s184 1.0)
(s185 1.0)
(s186 1.0)
(s187 1.0)
(s188 1.0)
(s189 1.0)
(s190 1.0)
(s191 1.0)
(s192 1.0)
(s193 1.0)
(s194 1.0)
(s195 1.0)
(s196 1.0)
(s197 1.0)
(s198 1.0)
(s199 1.0)
(s200 1.0)
(s201 1.0)
(s202 1.0)
(s203 1.0)
(s204 1.0)
(s205 1.0)
(s206 1.0)
(s207 1.0)
(s208 1.0)
(s209 1.0)
(s210 1.0)
(s211 1.0)
(s212 1.0)
(s213 1.0)
(s214 1.0)
(s215 1.0)
(s216 1.0)
(s217 1.0)
(s218 1.0)
(s219 1.0)
(s220 1.0)
(s221 1.0)
(s222 1.0)
(s223 1.0)
(s224 1.0)
(s225 1.0)
(s226 1.0)
(s227 1.0)
(s228 1.0)
timeout
(s229 org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1088 variables, 1088/1088 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
SMT process timed out in 30525ms, After SMT, problems are : Problem set: 0 solved, 2192 unsolved
Search for dead transitions found 0 dead transitions in 30528ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49125 ms. Remains : 1088/1088 places, 2200/2200 transitions.
[2026-05-25 15:08:19] [INFO ] Flatten gal took : 54 ms
[2026-05-25 15:08:20] [INFO ] Flatten gal took : 62 ms
[2026-05-25 15:08:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8738358539996202.gal : 17 ms
[2026-05-25 15:08:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4071033248956740704.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/ReachabilityCardinality8738358539996202.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4071033248956740704.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 ...325
RANDOM walk for 40000 steps (8 resets) in 1053 ms. (37 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 395 ms. (101 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality4071033248956740704.prop.
BEST_FIRST walk for 40004 steps (8 resets) in 503 ms. (79 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :8 after 9
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :9 after 23
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :23 after 24
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :24 after 49
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :49 after 88
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :88 after 267
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :267 after 377
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :377 after 1004
Interrupted probabilistic random walk after 329067 steps, run timeout after 3001 ms. (steps per millisecond=109 ) properties seen :0 out of 2
Probabilistic random walk after 329067 steps, saw 62962 distinct states, run finished after 3001 ms. (steps per millisecond=109 ) properties seen :0
[2026-05-25 15:08:23] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:08:23] [INFO ] Invariant cache hit.
[2026-05-25 15:08:23] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/448 variables, 448/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/448 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Problem MAX0 is UNSAT
At refinement iteration 2 (OVERLAPS) 576/1024 variables, 8/456 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1024 variables, 576/1032 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:24] [INFO ] Deduced a trap composed of 60 places in 441 ms of which 85 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:24] [INFO ] Deduced a trap composed of 74 places in 413 ms of which 88 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1024 variables, 2/1034 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1024 variables, 0/1034 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 8/1032 variables, 8/1042 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1032 variables, 8/1050 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1032 variables, 0/1050 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1864/2896 variables, 1032/2082 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2896 variables, 497/2579 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/2896 variables, 0/2579 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 56/2952 variables, 56/2635 constraints. Problems are: Problem set: 1 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :1004 after 4343
At refinement iteration 13 (INCLUDED_ONLY) 0/2952 variables, 56/2691 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2952 variables, 7/2698 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2952 variables, 0/2698 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/2952 variables, 0/2698 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2952/2952 variables, and 2698 constraints, problems are : Problem set: 1 solved, 1 unsolved in 2281 ms.
Refiners :[Domain max(s): 1088/1088 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1088/1088 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/448 variables, 448/448 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/448 variables, 0/448 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 576/1024 variables, 8/456 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1024 variables, 576/1032 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1024 variables, 2/1034 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1024 variables, 0/1034 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/1032 variables, 8/1042 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1032 variables, 8/1050 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1032 variables, 0/1050 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1864/2896 variables, 1032/2082 constraints. Problems are: Problem set: 1 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2896/2952 variables, and 2579 constraints, problems are : Problem set: 1 solved, 1 unsolved in 1162 ms.
Refiners :[Domain max(s): 1032/1088 constraints, Positive P Invariants (semi-flows): 16/23 constraints, State Equation: 1032/1088 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3457ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 138 ms.
Support contains 448 out of 1088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 49 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 1088/1088 places, 2200/2200 transitions.
RANDOM walk for 40000 steps (8 resets) in 512 ms. (77 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 372 ms. (107 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :4343 after 7997
Interrupted probabilistic random walk after 441144 steps, run timeout after 3001 ms. (steps per millisecond=146 ) properties seen :0 out of 1
Probabilistic random walk after 441144 steps, saw 75314 distinct states, run finished after 3001 ms. (steps per millisecond=146 ) properties seen :0
[2026-05-25 15:08:30] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:08:30] [INFO ] Invariant cache hit.
[2026-05-25 15:08:30] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/448 variables, 448/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/448 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 576/1024 variables, 8/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1024 variables, 576/1032 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1024 variables, 0/1032 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/1032 variables, 8/1040 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1032 variables, 8/1048 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1032 variables, 0/1048 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1864/2896 variables, 1032/2080 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2896 variables, 497/2577 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2896 variables, 0/2577 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 56/2952 variables, 56/2633 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2952 variables, 56/2689 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2952 variables, 7/2696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2952 variables, 0/2696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 0/2952 variables, 0/2696 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2952/2952 variables, and 2696 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2115 ms.
Refiners :[Domain max(s): 1088/1088 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1088/1088 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/448 variables, 448/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/448 variables, 0/448 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 576/1024 variables, 8/456 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1024 variables, 576/1032 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:33] [INFO ] Deduced a trap composed of 60 places in 394 ms of which 76 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:33] [INFO ] Deduced a trap composed of 74 places in 404 ms of which 91 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/1024 variables, 2/1034 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1024 variables, 0/1034 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/1032 variables, 8/1042 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1032 variables, 8/1050 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1032 variables, 0/1050 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 1864/2896 variables, 1032/2082 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2896 variables, 497/2579 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:34] [INFO ] Deduced a trap composed of 186 places in 111 ms of which 20 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/2896 variables, 1/2580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/2896 variables, 0/2580 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 56/2952 variables, 56/2636 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/2952 variables, 56/2692 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/2952 variables, 7/2699 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:35] [INFO ] Deduced a trap composed of 27 places in 405 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:36] [INFO ] Deduced a trap composed of 27 places in 396 ms of which 44 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:36] [INFO ] Deduced a trap composed of 27 places in 394 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:37] [INFO ] Deduced a trap composed of 27 places in 401 ms of which 47 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :7997 after 31752
[2026-05-25 15:08:37] [INFO ] Deduced a trap composed of 27 places in 403 ms of which 43 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:38] [INFO ] Deduced a trap composed of 29 places in 404 ms of which 45 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:38] [INFO ] Deduced a trap composed of 13 places in 433 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:39] [INFO ] Deduced a trap composed of 11 places in 420 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:39] [INFO ] Deduced a trap composed of 11 places in 420 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:40] [INFO ] Deduced a trap composed of 11 places in 419 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:41] [INFO ] Deduced a trap composed of 11 places in 426 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:41] [INFO ] Deduced a trap composed of 11 places in 414 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:42] [INFO ] Deduced a trap composed of 11 places in 415 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:42] [INFO ] Deduced a trap composed of 39 places in 388 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:43] [INFO ] Deduced a trap composed of 39 places in 377 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:43] [INFO ] Deduced a trap composed of 39 places in 383 ms of which 53 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:44] [INFO ] Deduced a trap composed of 39 places in 378 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:44] [INFO ] Deduced a trap composed of 41 places in 389 ms of which 57 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:45] [INFO ] Deduced a trap composed of 39 places in 379 ms of which 54 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:45] [INFO ] Deduced a trap composed of 51 places in 397 ms of which 63 ms to minimize.
At refinement iteration 16 (INCLUDED_ONLY) 0/2952 variables, 20/2719 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:46] [INFO ] Deduced a trap composed of 51 places in 386 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:46] [INFO ] Deduced a trap composed of 53 places in 405 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:47] [INFO ] Deduced a trap composed of 51 places in 390 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:47] [INFO ] Deduced a trap composed of 51 places in 396 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:48] [INFO ] Deduced a trap composed of 51 places in 389 ms of which 64 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:48] [INFO ] Deduced a trap composed of 63 places in 346 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:49] [INFO ] Deduced a trap composed of 63 places in 342 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:49] [INFO ] Deduced a trap composed of 65 places in 346 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:50] [INFO ] Deduced a trap composed of 63 places in 347 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:50] [INFO ] Deduced a trap composed of 63 places in 348 ms of which 61 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:51] [INFO ] Deduced a trap composed of 63 places in 350 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:51] [INFO ] Deduced a trap composed of 85 places in 300 ms of which 62 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:52] [INFO ] Deduced a trap composed of 85 places in 294 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:52] [INFO ] Deduced a trap composed of 85 places in 300 ms of which 65 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:53] [INFO ] Deduced a trap composed of 89 places in 300 ms of which 66 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:53] [INFO ] Deduced a trap composed of 85 places in 294 ms of which 59 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:53] [INFO ] Deduced a trap composed of 85 places in 301 ms of which 63 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:54] [INFO ] Deduced a trap composed of 121 places in 209 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:54] [INFO ] Deduced a trap composed of 121 places in 229 ms of which 46 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:55] [INFO ] Deduced a trap composed of 121 places in 238 ms of which 46 ms to minimize.
At refinement iteration 17 (INCLUDED_ONLY) 0/2952 variables, 20/2739 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:08:55] [INFO ] Deduced a trap composed of 121 places in 234 ms of which 47 ms to minimize.
At refinement iteration 18 (INCLUDED_ONLY) 0/2952 variables, 1/2740 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :31752 after 61942
At refinement iteration 19 (INCLUDED_ONLY) 0/2952 variables, 0/2740 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/2952 variables, 0/2740 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2952/2952 variables, and 2740 constraints, problems are : Problem set: 0 solved, 1 unsolved in 24347 ms.
Refiners :[Domain max(s): 1088/1088 constraints, Positive P Invariants (semi-flows): 23/23 constraints, State Equation: 1088/1088 constraints, ReadFeed: 497/497 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 44/44 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 26473ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 189 ms.
Support contains 448 out of 1088 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 47 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 47 ms. Remains : 1088/1088 places, 2200/2200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1088/1088 places, 2200/2200 transitions.
Applied a total of 0 rules in 22 ms. Remains 1088 /1088 variables (removed 0) and now considering 2200/2200 (removed 0) transitions.
[2026-05-25 15:08:57] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:08:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:08:58] [INFO ] Implicit Places using invariants in 1785 ms returned []
[2026-05-25 15:08:58] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:08:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:08:59] [INFO ] State equation strengthened by 497 read => feed constraints.
Detected timeout of ITS tools.
[2026-05-25 15:09:10] [INFO ] Flatten gal took : 46 ms
[2026-05-25 15:09:10] [INFO ] Applying decomposition
[2026-05-25 15:09:10] [INFO ] Flatten gal took : 45 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph15641023785432561055.txt' '-o' '/tmp/graph15641023785432561055.bin' '-w' '/tmp/graph15641023785432561055.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15641023785432561055.bin' '-l' '-1' '-v' '-w' '/tmp/graph15641023785432561055.weights' '-q' '0' '-e' '0.001'
[2026-05-25 15:09:10] [INFO ] Decomposing Gal with order
[2026-05-25 15:09:10] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:09:11] [INFO ] Removed a total of 2496 redundant transitions.
[2026-05-25 15:09:11] [INFO ] Flatten gal took : 534 ms
[2026-05-25 15:09:11] [INFO ] Fuse similar labels procedure discarded/fused a total of 400 labels/synchronizations in 67 ms.
[2026-05-25 15:09:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality14389934175832256079.gal : 33 ms
[2026-05-25 15:09:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16884036523313088280.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality14389934175832256079.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16884036523313088280.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 ...330
Loading property file /tmp/ReachabilityCardinality16884036523313088280.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :4 after 10
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :10 after 14
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :14 after 21
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :21 after 31
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :31 after 32
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :32 after 222
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :222 after 352
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :352 after 1313
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1313 after 4789
[2026-05-25 15:09:15] [INFO ] Implicit Places using invariants and state equation in 16753 ms returned []
Implicit Place search using SMT with State Equation took 18541 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 15:09:15] [INFO ] Redundant transitions in 29 ms returned []
Running 2192 sub problems to find dead transitions.
[2026-05-25 15:09:15] [INFO ] Flow matrix only has 1864 transitions (discarded 336 similar events)
[2026-05-25 15:09:15] [INFO ] Invariant cache hit.
[2026-05-25 15:09:15] [INFO ] State equation strengthened by 497 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :4789 after 10595
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :10595 after 14445
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :14445 after 27777
SDD proceeding with computation,1 properties remain. new max is 65536
SDD size :27777 after 68448
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/1088 variables, 1088/1088 constraints. Problems are: Problem set: 0 solved, 2192 unsolved
SMT process timed out in 30521ms, After SMT, problems are : Problem set: 0 solved, 2192 unsolved
Search for dead transitions found 0 dead transitions in 30524ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49127 ms. Remains : 1088/1088 places, 2200/2200 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 896 edges and 1088 vertex of which 98 / 1088 are part of one of the 49 SCC in 6 ms
Free SCC test removed 49 places
Drop transitions (Empty/Sink Transition effects.) removed 98 transitions
Ensure Unique test removed 336 transitions
Reduce isomorphic transitions removed 434 transitions.
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -83
Deduced a syphon composed of 15 places in 1 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 0 with 38 rules applied. Total rules applied 39 place count 1016 transition count 1849
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 0 with 16 rules applied. Total rules applied 55 place count 1008 transition count 1841
Graph (trivial) has 504 edges and 1008 vertex of which 105 / 1008 are part of one of the 8 SCC in 1 ms
Free SCC test removed 97 places
Iterating global reduction 0 with 1 rules applied. Total rules applied 56 place count 911 transition count 1841
Drop transitions (Empty/Sink Transition effects.) removed 105 transitions
Reduce isomorphic transitions removed 105 transitions.
Iterating post reduction 0 with 105 rules applied. Total rules applied 161 place count 911 transition count 1736
Drop transitions (Redundant composition of simpler transitions.) removed 140 transitions
Redundant transition composition rules discarded 140 transitions
Iterating global reduction 1 with 140 rules applied. Total rules applied 301 place count 911 transition count 1596
Graph (complete) has 1652 edges and 911 vertex of which 855 are kept as prefixes of interest. Removing 56 places using SCC suffix rule.1 ms
Discarding 56 places :
Also discarding 0 output transitions
Iterating post reduction 1 with 1 rules applied. Total rules applied 302 place count 855 transition count 1596
Drop transitions (Empty/Sink Transition effects.) removed 392 transitions
Reduce isomorphic transitions removed 392 transitions.
Iterating post reduction 2 with 392 rules applied. Total rules applied 694 place count 855 transition count 1204
Free-agglomeration rule (complex) applied 7 times.
Iterating global reduction 3 with 7 rules applied. Total rules applied 701 place count 855 transition count 1197
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 708 place count 848 transition count 1197
Partial Post-agglomeration rule applied 294 times.
Drop transitions (Partial Post agglomeration) removed 294 transitions
Iterating global reduction 4 with 294 rules applied. Total rules applied 1002 place count 848 transition count 1197
Applied a total of 1002 rules in 254 ms. Remains 848 /1088 variables (removed 240) and now considering 1197/2200 (removed 1003) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 1197 rows 848 cols
[2026-05-25 15:09:46] [INFO ] Computed 8 invariants in 4 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 15:09:46] [INFO ] After 121ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 15:09:46] [INFO ] [Nat]Absence check using 8 positive place invariants in 11 ms returned sat
[2026-05-25 15:09:47] [INFO ] After 303ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-25 15:09:47] [INFO ] After 360ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-25 15:09:47] [INFO ] After 552ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-25 15:09:47] [INFO ] Flatten gal took : 15 ms
[2026-05-25 15:09:47] [INFO ] Flatten gal took : 16 ms
[2026-05-25 15:09:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1824532128815467155.gal : 4 ms
[2026-05-25 15:09:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality17304190549261516747.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/ReachabilityCardinality1824532128815467155.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality17304190549261516747.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 ...329
Loading property file /tmp/ReachabilityCardinality17304190549261516747.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7 after 9
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :9 after 16
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :16 after 22
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :22 after 35
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :35 after 61
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :61 after 2332
SDD proceeding with computation,1 properties remain. new max is 131072
SDD size :68448 after 698962
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2332 after 820228
Detected timeout of ITS tools.
Detected timeout of ITS tools.
[2026-05-25 15:10:02] [INFO ] Flatten gal took : 15 ms
[2026-05-25 15:10:02] [INFO ] Applying decomposition
[2026-05-25 15:10:02] [INFO ] Flatten gal took : 15 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph1747427551043115620.txt' '-o' '/tmp/graph1747427551043115620.bin' '-w' '/tmp/graph1747427551043115620.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1747427551043115620.bin' '-l' '-1' '-v' '-w' '/tmp/graph1747427551043115620.weights' '-q' '0' '-e' '0.001'
[2026-05-25 15:10:02] [INFO ] Decomposing Gal with order
[2026-05-25 15:10:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:10:02] [INFO ] Removed a total of 307 redundant transitions.
[2026-05-25 15:10:02] [INFO ] Flatten gal took : 280 ms
[2026-05-25 15:10:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 106 labels/synchronizations in 5 ms.
[2026-05-25 15:10:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12506222489832723473.gal : 5 ms
[2026-05-25 15:10:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6674470208427807023.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality12506222489832723473.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6674470208427807023.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 ...329
Loading property file /tmp/ReachabilityCardinality6674470208427807023.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 7
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :7 after 8
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :8 after 15
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :15 after 22
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :22 after 33
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :33 after 59
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :59 after 1908
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1908 after 741576
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 31715 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[6] Max Struct:[448]
Ending property specific reduction for Peterson-PT-7-UpperBounds-03 in 261303 ms.
Starting property specific reduction for Peterson-PT-7-UpperBounds-14
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[1]
[2026-05-25 15:10:17] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
// Phase 1: matrix 1873 rows 1097 cols
[2026-05-25 15:10:17] [INFO ] Computed 23 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 10000 steps (2 resets) in 28 ms. (344 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 15:10:17] [INFO ] Flow matrix only has 1873 transitions (discarded 336 similar events)
[2026-05-25 15:10:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 15:10:18] [INFO ] [Real]Absence check using 23 positive place invariants in 25 ms returned sat
[2026-05-25 15:10:18] [INFO ] [Real]Absence check using state equation in 398 ms returned sat
[2026-05-25 15:10:18] [INFO ] State equation strengthened by 497 read => feed constraints.
[2026-05-25 15:10:18] [INFO ] [Real]Added 497 Read/Feed constraints in 41 ms returned sat
[2026-05-25 15:10:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 15:10:18] [INFO ] [Nat]Absence check using 23 positive place invariants in 26 ms returned sat
[2026-05-25 15:10:19] [INFO ] [Nat]Absence check using state equation in 394 ms returned sat
[2026-05-25 15:10:19] [INFO ] [Nat]Added 497 Read/Feed constraints in 51 ms returned sat
[2026-05-25 15:10:19] [INFO ] Computed and/alt/rep : 1753/5289/1753 causal constraints (skipped 112 transitions) in 77 ms.
[2026-05-25 15:10:23] [INFO ] Added : 115 causal constraints over 23 iterations in 4319 ms. Result :unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[1]
Support contains 1 out of 1097 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place TestAlone_2_4_5) removed 2 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 1097/1097 places, 2207/2207 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 105 transitions
Trivial Post-agglo rules discarded 105 transitions
Performed 105 trivial Post agglomeration. Transition count delta: 105
Iterating post reduction 0 with 106 rules applied. Total rules applied 106 place count 1096 transition count 2101
Reduce places removed 106 places and 2 transitions.
Iterating post reduction 1 with 106 rules applied. Total rules applied 212 place count 990 transition count 2099
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 213 place count 989 transition count 2098
Reduce places removed 1 places and 2 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 214 place count 988 transition count 2096
Reduce places removed 1 places and 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 215 place count 987 transition count 2095
Performed 349 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 5 with 349 Pre rules applied. Total rules applied 215 place count 987 transition count 1746
Deduced a syphon composed of 349 places in 0 ms
Reduce places removed 349 places and 0 transitions.
Iterating global reduction 5 with 698 rules applied. Total rules applied 913 place count 638 transition count 1746
Performed 55 Post agglomeration using F-continuation condition.Transition count delta: 55
Deduced a syphon composed of 55 places in 0 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 5 with 110 rules applied. Total rules applied 1023 place count 583 transition count 1691
Applied a total of 1023 rules in 94 ms. Remains 583 /1097 variables (removed 514) and now considering 1691/2207 (removed 516) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 94 ms. Remains : 583/1097 places, 1691/2207 transitions.
[2026-05-25 15:10:23] [INFO ] Flow matrix only has 1355 transitions (discarded 336 similar events)
// Phase 1: matrix 1355 rows 583 cols
[2026-05-25 15:10:23] [INFO ] Computed 23 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (2 resets) in 1980 ms. (504 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 541 ms. (1845 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 15:10:26] [INFO ] Flow matrix only has 1355 transitions (discarded 336 similar events)
[2026-05-25 15:10:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:10:26] [INFO ] [Real]Absence check using 23 positive place invariants in 12 ms returned sat
[2026-05-25 15:10:26] [INFO ] [Real]Absence check using state equation in 230 ms returned sat
[2026-05-25 15:10:26] [INFO ] State equation strengthened by 494 read => feed constraints.
[2026-05-25 15:10:26] [INFO ] [Real]Added 494 Read/Feed constraints in 36 ms returned sat
[2026-05-25 15:10:26] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 15:10:26] [INFO ] [Nat]Absence check using 23 positive place invariants in 13 ms returned sat
[2026-05-25 15:10:27] [INFO ] [Nat]Absence check using state equation in 234 ms returned sat
[2026-05-25 15:10:27] [INFO ] [Nat]Added 494 Read/Feed constraints in 45 ms returned sat
[2026-05-25 15:10:27] [INFO ] Computed and/alt/rep : 1235/4760/1235 causal constraints (skipped 112 transitions) in 58 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:29] [INFO ] Deduced a trap composed of 12 places in 213 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:29] [INFO ] Deduced a trap composed of 11 places in 212 ms of which 17 ms to minimize.
[2026-05-25 15:10:29] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 660 ms
[2026-05-25 15:10:29] [INFO ] Added : 93 causal constraints over 20 iterations in 2601 ms. Result :sat
Minimization took 403 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[1]
Support contains 1 out of 583 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 583/583 places, 1691/1691 transitions.
Applied a total of 0 rules in 27 ms. Remains 583 /583 variables (removed 0) and now considering 1691/1691 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 27 ms. Remains : 583/583 places, 1691/1691 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 583/583 places, 1691/1691 transitions.
Applied a total of 0 rules in 20 ms. Remains 583 /583 variables (removed 0) and now considering 1691/1691 (removed 0) transitions.
[2026-05-25 15:10:30] [INFO ] Flow matrix only has 1355 transitions (discarded 336 similar events)
[2026-05-25 15:10:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:10:31] [INFO ] Implicit Places using invariants in 775 ms returned []
[2026-05-25 15:10:31] [INFO ] Flow matrix only has 1355 transitions (discarded 336 similar events)
[2026-05-25 15:10:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 15:10:31] [INFO ] State equation strengthened by 494 read => feed constraints.
[2026-05-25 15:10:36] [INFO ] Implicit Places using invariants and state equation in 5040 ms returned []
Implicit Place search using SMT with State Equation took 5817 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 15:10:36] [INFO ] Redundant transitions in 26 ms returned []
Running 1683 sub problems to find dead transitions.
[2026-05-25 15:10:36] [INFO ] Flow matrix only has 1355 transitions (discarded 336 similar events)
[2026-05-25 15:10:36] [INFO ] Invariant cache hit.
[2026-05-25 15:10:36] [INFO ] State equation strengthened by 494 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/582 variables, 582/582 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/582 variables, 22/604 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:51] [INFO ] Deduced a trap composed of 11 places in 206 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:51] [INFO ] Deduced a trap composed of 12 places in 207 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:51] [INFO ] Deduced a trap composed of 14 places in 196 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:52] [INFO ] Deduced a trap composed of 22 places in 205 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:52] [INFO ] Deduced a trap composed of 23 places in 193 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:52] [INFO ] Deduced a trap composed of 33 places in 190 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:52] [INFO ] Deduced a trap composed of 43 places in 160 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:52] [INFO ] Deduced a trap composed of 20 places in 171 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:53] [INFO ] Deduced a trap composed of 21 places in 175 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:53] [INFO ] Deduced a trap composed of 21 places in 173 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:53] [INFO ] Deduced a trap composed of 21 places in 175 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:53] [INFO ] Deduced a trap composed of 42 places in 145 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:53] [INFO ] Deduced a trap composed of 11 places in 195 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:54] [INFO ] Deduced a trap composed of 11 places in 196 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:54] [INFO ] Deduced a trap composed of 11 places in 193 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:54] [INFO ] Deduced a trap composed of 11 places in 197 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:54] [INFO ] Deduced a trap composed of 11 places in 189 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:54] [INFO ] Deduced a trap composed of 25 places in 197 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:55] [INFO ] Deduced a trap composed of 38 places in 128 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:56] [INFO ] Deduced a trap composed of 29 places in 156 ms of which 22 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/582 variables, 20/624 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:57] [INFO ] Deduced a trap composed of 31 places in 192 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:57] [INFO ] Deduced a trap composed of 37 places in 182 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:57] [INFO ] Deduced a trap composed of 38 places in 156 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:57] [INFO ] Deduced a trap composed of 43 places in 148 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:58] [INFO ] Deduced a trap composed of 25 places in 200 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:58] [INFO ] Deduced a trap composed of 45 places in 135 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:58] [INFO ] Deduced a trap composed of 41 places in 128 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:59] [INFO ] Deduced a trap composed of 31 places in 160 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:10:59] [INFO ] Deduced a trap composed of 32 places in 157 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:00] [INFO ] Deduced a trap composed of 33 places in 145 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:01] [INFO ] Deduced a trap composed of 11 places in 175 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:01] [INFO ] Deduced a trap composed of 24 places in 169 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:01] [INFO ] Deduced a trap composed of 25 places in 177 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:02] [INFO ] Deduced a trap composed of 51 places in 157 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:02] [INFO ] Deduced a trap composed of 51 places in 160 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:02] [INFO ] Deduced a trap composed of 51 places in 159 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:03] [INFO ] Deduced a trap composed of 70 places in 154 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:03] [INFO ] Deduced a trap composed of 44 places in 134 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:03] [INFO ] Deduced a trap composed of 42 places in 150 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:03] [INFO ] Deduced a trap composed of 52 places in 145 ms of which 26 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/582 variables, 20/644 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 582/1938 variables, and 644 constraints, problems are : Problem set: 0 solved, 1683 unsolved in 30026 ms.
Refiners :[Domain max(s): 582/583 constraints, Positive P Invariants (semi-flows): 22/23 constraints, State Equation: 0/583 constraints, ReadFeed: 0/494 constraints, PredecessorRefiner: 1683/1683 constraints, Known Traps: 40/40 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1683 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/582 variables, 582/582 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/582 variables, 22/604 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/582 variables, 40/644 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:09] [INFO ] Deduced a trap composed of 19 places in 196 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:09] [INFO ] Deduced a trap composed of 19 places in 198 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:10] [INFO ] Deduced a trap composed of 31 places in 194 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:10] [INFO ] Deduced a trap composed of 31 places in 186 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:10] [INFO ] Deduced a trap composed of 31 places in 183 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:10] [INFO ] Deduced a trap composed of 37 places in 182 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:10] [INFO ] Deduced a trap composed of 37 places in 178 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:10] [INFO ] Deduced a trap composed of 43 places in 148 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:11] [INFO ] Deduced a trap composed of 43 places in 148 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:11] [INFO ] Deduced a trap composed of 43 places in 149 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:11] [INFO ] Deduced a trap composed of 46 places in 151 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:11] [INFO ] Deduced a trap composed of 70 places in 138 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:11] [INFO ] Deduced a trap composed of 70 places in 127 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:11] [INFO ] Deduced a trap composed of 81 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:12] [INFO ] Deduced a trap composed of 38 places in 156 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:12] [INFO ] Deduced a trap composed of 38 places in 152 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:12] [INFO ] Deduced a trap composed of 42 places in 150 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:12] [INFO ] Deduced a trap composed of 52 places in 102 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:12] [INFO ] Deduced a trap composed of 60 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:12] [INFO ] Deduced a trap composed of 43 places in 131 ms of which 22 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/582 variables, 20/664 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:14] [INFO ] Deduced a trap composed of 37 places in 145 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:15] [INFO ] Deduced a trap composed of 88 places in 103 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:15] [INFO ] Deduced a trap composed of 67 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:15] [INFO ] Deduced a trap composed of 52 places in 112 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:15] [INFO ] Deduced a trap composed of 74 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:15] [INFO ] Deduced a trap composed of 47 places in 90 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:16] [INFO ] Deduced a trap composed of 19 places in 159 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:18] [INFO ] Deduced a trap composed of 23 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:18] [INFO ] Deduced a trap composed of 22 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:18] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:18] [INFO ] Deduced a trap composed of 51 places in 113 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:18] [INFO ] Deduced a trap composed of 68 places in 100 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:19] [INFO ] Deduced a trap composed of 25 places in 111 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:19] [INFO ] Deduced a trap composed of 43 places in 177 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:19] [INFO ] Deduced a trap composed of 57 places in 169 ms of which 36 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:20] [INFO ] Deduced a trap composed of 59 places in 151 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:20] [INFO ] Deduced a trap composed of 60 places in 120 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:20] [INFO ] Deduced a trap composed of 70 places in 74 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:20] [INFO ] Deduced a trap composed of 69 places in 76 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:20] [INFO ] Deduced a trap composed of 67 places in 69 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/582 variables, 20/684 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:23] [INFO ] Deduced a trap composed of 29 places in 181 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:23] [INFO ] Deduced a trap composed of 29 places in 159 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:23] [INFO ] Deduced a trap composed of 61 places in 110 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:23] [INFO ] Deduced a trap composed of 32 places in 156 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:23] [INFO ] Deduced a trap composed of 60 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:24] [INFO ] Deduced a trap composed of 30 places in 165 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:26] [INFO ] Deduced a trap composed of 69 places in 153 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:26] [INFO ] Deduced a trap composed of 23 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:26] [INFO ] Deduced a trap composed of 24 places in 54 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:27] [INFO ] Deduced a trap composed of 58 places in 92 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:27] [INFO ] Deduced a trap composed of 43 places in 113 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:27] [INFO ] Deduced a trap composed of 25 places in 98 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:27] [INFO ] Deduced a trap composed of 25 places in 99 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:28] [INFO ] Deduced a trap composed of 53 places in 185 ms of which 39 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:28] [INFO ] Deduced a trap composed of 56 places in 160 ms of which 30 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:28] [INFO ] Deduced a trap composed of 69 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:29] [INFO ] Deduced a trap composed of 53 places in 148 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:29] [INFO ] Deduced a trap composed of 56 places in 129 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:29] [INFO ] Deduced a trap composed of 58 places in 162 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:29] [INFO ] Deduced a trap composed of 60 places in 146 ms of which 31 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/582 variables, 20/704 constraints. Problems are: Problem set: 0 solved, 1683 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:32] [INFO ] Deduced a trap composed of 31 places in 158 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:33] [INFO ] Deduced a trap composed of 61 places in 115 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:33] [INFO ] Deduced a trap composed of 61 places in 115 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:33] [INFO ] Deduced a trap composed of 60 places in 92 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:33] [INFO ] Deduced a trap composed of 60 places in 101 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:36] [INFO ] Deduced a trap composed of 15 places in 161 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 15:11:36] [INFO ] Deduced a trap composed of 16 places in 154 ms of which 16 ms to minimize.
SMT process timed out in 60447ms, After SMT, problems are : Problem set: 0 solved, 1683 unsolved
Search for dead transitions found 0 dead transitions in 60450ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 66326 ms. Remains : 583/583 places, 1691/1691 transitions.
[2026-05-25 15:11:36] [INFO ] Flow matrix only has 1355 transitions (discarded 336 similar events)
[2026-05-25 15:11:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1] Max Struct:[1]
FORMULA Peterson-PT-7-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 1882 ms. (531 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 7 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
[2026-05-25 15:11:38] [INFO ] Flatten gal took : 48 ms
[2026-05-25 15:11:38] [INFO ] Flatten gal took : 36 ms
[2026-05-25 15:11:38] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4515150996171175395.gal : 7 ms
[2026-05-25 15:11:38] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality15305392444149964826.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4515150996171175395.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality15305392444149964826.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
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 ...329
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for Peterson-PT-7-UpperBounds-14 in 80807 ms.
[2026-05-25 15:11:38] [INFO ] Flatten gal took : 43 ms
[2026-05-25 15:11:38] [INFO ] Applying decomposition
[2026-05-25 15:11:38] [INFO ] Flatten gal took : 41 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph2748444917730476518.txt' '-o' '/tmp/graph2748444917730476518.bin' '-w' '/tmp/graph2748444917730476518.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2748444917730476518.bin' '-l' '-1' '-v' '-w' '/tmp/graph2748444917730476518.weights' '-q' '0' '-e' '0.001'
[2026-05-25 15:11:38] [INFO ] Decomposing Gal with order
[2026-05-25 15:11:38] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:11:39] [INFO ] Removed a total of 3174 redundant transitions.
[2026-05-25 15:11:39] [INFO ] Flatten gal took : 78 ms
[2026-05-25 15:11:39] [INFO ] Fuse similar labels procedure discarded/fused a total of 87 labels/synchronizations in 27 ms.
[2026-05-25 15:11:39] [INFO ] Time to serialize gal into /tmp/UpperBounds10190471580438691167.gal : 12 ms
[2026-05-25 15:11:39] [INFO ] Time to serialize properties into /tmp/UpperBounds2111378161283016852.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/UpperBounds10190471580438691167.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds2111378161283016852.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 ...305
Loading property file /tmp/UpperBounds2111378161283016852.prop.
Detected timeout of ITS tools.
[2026-05-25 15:38:36] [INFO ] Applying decomposition
[2026-05-25 15:38:36] [INFO ] Flatten gal took : 111 ms
[2026-05-25 15:38:37] [INFO ] Decomposing Gal with order
[2026-05-25 15:38:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 15:38:37] [INFO ] Removed a total of 2070 redundant transitions.
[2026-05-25 15:38:37] [INFO ] Flatten gal took : 288 ms
[2026-05-25 15:38:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 994 labels/synchronizations in 60 ms.
[2026-05-25 15:38:37] [INFO ] Time to serialize gal into /tmp/UpperBounds14420135176665902284.gal : 21 ms
[2026-05-25 15:38:37] [INFO ] Time to serialize properties into /tmp/UpperBounds13801402271734245228.prop : 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-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/UpperBounds14420135176665902284.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13801402271734245228.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 ...306
Loading property file /tmp/UpperBounds13801402271734245228.prop.

BK_TIME_CONFINEMENT_REACHED

--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -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="Peterson-PT-7"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="gold2025"
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 2-5973"
echo " Executing tool gold2025"
echo " Input is Peterson-PT-7, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r207-tall-177969919800093"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Peterson-PT-7.tgz
mv Peterson-PT-7 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;