Execution Chart

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

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r015-oct2-177944372400025.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 Anderson-PT-10, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r015-oct2-177944372400025
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 7.3K Mar 4 18:01 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K Mar 4 18:01 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Mar 4 18:01 CTLFireability.txt
-rw-r--r-- 1 mcc users 61K Mar 4 18:01 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 07:03 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 07:03 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K Mar 15 07:03 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 07:03 LTLFireability.xml
-rw-r--r-- 1 mcc users 6.2K Mar 4 18:01 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 50K Mar 4 18:01 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 4 18:01 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K Mar 4 18:01 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 07:03 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 07:03 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 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 Anderson-PT-10-UpperBounds-00
FORMULA_NAME Anderson-PT-10-UpperBounds-01
FORMULA_NAME Anderson-PT-10-UpperBounds-02
FORMULA_NAME Anderson-PT-10-UpperBounds-03
FORMULA_NAME Anderson-PT-10-UpperBounds-04
FORMULA_NAME Anderson-PT-10-UpperBounds-05
FORMULA_NAME Anderson-PT-10-UpperBounds-06
FORMULA_NAME Anderson-PT-10-UpperBounds-07
FORMULA_NAME Anderson-PT-10-UpperBounds-08
FORMULA_NAME Anderson-PT-10-UpperBounds-09
FORMULA_NAME Anderson-PT-10-UpperBounds-10
FORMULA_NAME Anderson-PT-10-UpperBounds-11
FORMULA_NAME Anderson-PT-10-UpperBounds-12
FORMULA_NAME Anderson-PT-10-UpperBounds-13
FORMULA_NAME Anderson-PT-10-UpperBounds-14
FORMULA_NAME Anderson-PT-10-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1779685475180

Invoking MCC driver with
GOLD_TOOL=
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2026-05-25 05:04:37] [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 05:04:37] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 05:04:37] [INFO ] Load time of PNML (sax parser for PT used): 324 ms
[2026-05-25 05:04:37] [INFO ] Transformed 621 places.
[2026-05-25 05:04:37] [INFO ] Transformed 2480 transitions.
[2026-05-25 05:04:37] [INFO ] Found NUPN structural information;
[2026-05-25 05:04:37] [INFO ] Parsed PT model containing 621 places and 2480 transitions and 9560 arcs in 580 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 9 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
FORMULA Anderson-PT-10-UpperBounds-04 1 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, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 2480 rows 621 cols
[2026-05-25 05:04:38] [INFO ] Computed 23 invariants in 89 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (2 resets) in 107 ms. (92 steps per ms)
FORMULA Anderson-PT-10-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA Anderson-PT-10-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10000 steps (2 resets) in 54 ms. (181 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 05:04:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:04:38] [INFO ] [Real]Absence check using 11 positive place invariants in 62 ms returned sat
[2026-05-25 05:04:38] [INFO ] [Real]Absence check using 11 positive and 12 generalized place invariants in 112 ms returned sat
[2026-05-25 05:04:40] [INFO ] [Real]Absence check using state equation in 1320 ms returned sat
[2026-05-25 05:04:40] [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 05:04:40] [INFO ] [Nat]Absence check using 11 positive place invariants in 16 ms returned sat
[2026-05-25 05:04:40] [INFO ] [Nat]Absence check using 11 positive and 12 generalized place invariants in 18 ms returned sat
[2026-05-25 05:04:42] [INFO ] [Nat]Absence check using state equation in 1592 ms returned sat
[2026-05-25 05:04:42] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:04:42] [INFO ] [Nat]Added 90 Read/Feed constraints in 42 ms returned sat
[2026-05-25 05:04:42] [INFO ] Computed and/alt/rep : 110/120/110 causal constraints (skipped 2360 transitions) in 431 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:04:44] [INFO ] Deduced a trap composed of 68 places in 838 ms of which 65 ms to minimize.
[2026-05-25 05:04:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1030 ms
[2026-05-25 05:04:44] [INFO ] Added : 2 causal constraints over 1 iterations in 2045 ms. Result :sat
Minimization took 591 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:[0] Max Struct:[1]
Support contains 1 out of 621 places. Attempting structural reductions.
Drop transitions (Removing consumers from one bounded place p1_9_16) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 0 : 621/621 places, 2479/2479 transitions.
Performed 90 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 90 Pre rules applied. Total rules applied 0 place count 621 transition count 2389
Deduced a syphon composed of 90 places in 3 ms
Reduce places removed 90 places and 0 transitions.
Iterating global reduction 0 with 180 rules applied. Total rules applied 180 place count 531 transition count 2389
Discarding 179 places :
Symmetric choice reduction at 0 with 179 rule applications. Total rules 359 place count 352 transition count 590
Iterating global reduction 0 with 179 rules applied. Total rules applied 538 place count 352 transition count 590
Applied a total of 538 rules in 171 ms. Remains 352 /621 variables (removed 269) and now considering 590/2479 (removed 1889) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 352/621 places, 590/2479 transitions.
// Phase 1: matrix 590 rows 352 cols
[2026-05-25 05:04:45] [INFO ] Computed 23 invariants in 19 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (2 resets) in 1984 ms. (503 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 990 ms. (1009 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 05:04:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:04:48] [INFO ] [Real]Absence check using 12 positive place invariants in 11 ms returned sat
[2026-05-25 05:04:48] [INFO ] [Real]Absence check using 12 positive and 11 generalized place invariants in 30 ms returned sat
[2026-05-25 05:04:48] [INFO ] [Real]Absence check using state equation in 263 ms returned sat
[2026-05-25 05:04:48] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:04:48] [INFO ] [Real]Added 90 Read/Feed constraints in 35 ms returned sat
[2026-05-25 05:04:48] [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 05:04:48] [INFO ] [Nat]Absence check using 12 positive place invariants in 21 ms returned sat
[2026-05-25 05:04:48] [INFO ] [Nat]Absence check using 12 positive and 11 generalized place invariants in 13 ms returned sat
[2026-05-25 05:04:49] [INFO ] [Nat]Absence check using state equation in 314 ms returned sat
[2026-05-25 05:04:49] [INFO ] [Nat]Added 90 Read/Feed constraints in 61 ms returned sat
[2026-05-25 05:04:49] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 560 transitions) in 83 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:04:49] [INFO ] Deduced a trap composed of 40 places in 232 ms of which 31 ms to minimize.
[2026-05-25 05:04:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 284 ms
[2026-05-25 05:04:49] [INFO ] Added : 2 causal constraints over 1 iterations in 539 ms. Result :sat
Minimization took 361 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:[0] Max Struct:[1]
Support contains 1 out of 352 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 590/590 transitions.
Applied a total of 0 rules in 35 ms. Remains 352 /352 variables (removed 0) and now considering 590/590 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 352/352 places, 590/590 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 352/352 places, 590/590 transitions.
Applied a total of 0 rules in 30 ms. Remains 352 /352 variables (removed 0) and now considering 590/590 (removed 0) transitions.
[2026-05-25 05:04:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:04:52] [INFO ] Implicit Places using invariants in 1747 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1762 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 351/352 places, 590/590 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 100 transitions
Trivial Post-agglo rules discarded 100 transitions
Performed 100 trivial Post agglomeration. Transition count delta: 100
Iterating post reduction 0 with 100 rules applied. Total rules applied 100 place count 351 transition count 490
Reduce places removed 100 places and 0 transitions.
Iterating post reduction 1 with 100 rules applied. Total rules applied 200 place count 251 transition count 490
Applied a total of 200 rules in 14 ms. Remains 251 /351 variables (removed 100) and now considering 490/590 (removed 100) transitions.
// Phase 1: matrix 490 rows 251 cols
[2026-05-25 05:04:52] [INFO ] Computed 22 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:04:52] [INFO ] Implicit Places using invariants in 324 ms returned []
[2026-05-25 05:04:52] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:04:52] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:04:53] [INFO ] Implicit Places using invariants and state equation in 1301 ms returned []
Implicit Place search using SMT with State Equation took 1657 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 251/352 places, 490/590 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 3466 ms. Remains : 251/352 places, 490/590 transitions.
[2026-05-25 05:04:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (2 resets) in 1500 ms. (666 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 732 ms. (1364 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 05:04:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:04:56] [INFO ] [Real]Absence check using 11 positive place invariants in 27 ms returned sat
[2026-05-25 05:04:56] [INFO ] [Real]Absence check using 11 positive and 11 generalized place invariants in 7 ms returned sat
[2026-05-25 05:04:56] [INFO ] [Real]Absence check using state equation in 114 ms returned sat
[2026-05-25 05:04:56] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:04:56] [INFO ] [Real]Added 90 Read/Feed constraints in 15 ms returned sat
[2026-05-25 05:04:56] [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 05:04:56] [INFO ] [Nat]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 05:04:56] [INFO ] [Nat]Absence check using 11 positive and 11 generalized place invariants in 10 ms returned sat
[2026-05-25 05:04:56] [INFO ] [Nat]Absence check using state equation in 178 ms returned sat
[2026-05-25 05:04:56] [INFO ] [Nat]Added 90 Read/Feed constraints in 42 ms returned sat
[2026-05-25 05:04:56] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 460 transitions) in 60 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:04:57] [INFO ] Deduced a trap composed of 39 places in 217 ms of which 10 ms to minimize.
[2026-05-25 05:04:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 275 ms
[2026-05-25 05:04:57] [INFO ] Added : 2 causal constraints over 2 iterations in 520 ms. Result :sat
Minimization took 392 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:[0] Max Struct:[1]
Support contains 1 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 17 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 251/251 places, 490/490 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 23 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
[2026-05-25 05:04:57] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:04:58] [INFO ] Implicit Places using invariants in 469 ms returned []
[2026-05-25 05:04:58] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:04:58] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:04:59] [INFO ] Implicit Places using invariants and state equation in 1259 ms returned []
Implicit Place search using SMT with State Equation took 1766 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:04:59] [INFO ] Redundant transitions in 24 ms returned []
Running 480 sub problems to find dead transitions.
[2026-05-25 05:04:59] [INFO ] Invariant cache hit.
[2026-05-25 05:04:59] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 3 (OVERLAPS) 1/250 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:16] [INFO ] Deduced a trap composed of 58 places in 257 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:17] [INFO ] Deduced a trap composed of 40 places in 318 ms of which 34 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:21] [INFO ] Deduced a trap composed of 67 places in 302 ms of which 35 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/250 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 8 (OVERLAPS) 1/251 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 251/741 variables, and 25 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30056 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 480/480 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/249 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 4 (OVERLAPS) 1/250 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:39] [INFO ] Deduced a trap composed of 49 places in 292 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:39] [INFO ] Deduced a trap composed of 67 places in 304 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:39] [INFO ] Deduced a trap composed of 58 places in 177 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:40] [INFO ] Deduced a trap composed of 58 places in 173 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:40] [INFO ] Deduced a trap composed of 68 places in 239 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:41] [INFO ] Deduced a trap composed of 67 places in 261 ms of which 38 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:41] [INFO ] Deduced a trap composed of 49 places in 173 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:41] [INFO ] Deduced a trap composed of 67 places in 291 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:42] [INFO ] Deduced a trap composed of 67 places in 228 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:42] [INFO ] Deduced a trap composed of 67 places in 175 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:44] [INFO ] Deduced a trap composed of 49 places in 241 ms of which 23 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 11/35 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:48] [INFO ] Deduced a trap composed of 49 places in 269 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:51] [INFO ] Deduced a trap composed of 58 places in 231 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:51] [INFO ] Deduced a trap composed of 50 places in 267 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:52] [INFO ] Deduced a trap composed of 49 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 05:05:57] [INFO ] Deduced a trap composed of 50 places in 198 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:05:57] [INFO ] Deduced a trap composed of 50 places in 195 ms of which 23 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/250 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 250/741 variables, and 41 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/480 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60494ms problems are : Problem set: 0 solved, 480 unsolved
Search for dead transitions found 0 dead transitions in 60518ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62349 ms. Remains : 251/251 places, 490/490 transitions.
RANDOM walk for 40000 steps (8 resets) in 995 ms. (40 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 224 ms. (177 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 291 ms. (136 steps per ms) remains 2/2 properties
[2026-05-25 05:06:00] [INFO ] Flatten gal took : 141 ms
[2026-05-25 05:06:00] [INFO ] Flatten gal took : 47 ms
[2026-05-25 05:06:00] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17707802424930102456.gal : 23 ms
[2026-05-25 05:06:00] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8815362722248357606.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/ReachabilityCardinality17707802424930102456.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8815362722248357606.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/ReachabilityCardinality8815362722248357606.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 9
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :9 after 12
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :12 after 24
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :24 after 61
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :61 after 172
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :172 after 1015
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1015 after 3827
Interrupted probabilistic random walk after 356356 steps, run timeout after 3001 ms. (steps per millisecond=118 ) properties seen :0 out of 2
Probabilistic random walk after 356356 steps, saw 260696 distinct states, run finished after 3004 ms. (steps per millisecond=118 ) properties seen :0
[2026-05-25 05:06:03] [INFO ] Invariant cache hit.
[2026-05-25 05:06:03] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 741/741 variables, and 363 constraints, problems are : Problem set: 0 solved, 2 unsolved in 341 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 2/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 741/741 variables, and 365 constraints, problems are : Problem set: 0 solved, 2 unsolved in 664 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1017ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 29 ms.
Support contains 1 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 9 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 251/251 places, 490/490 transitions.
RANDOM walk for 40000 steps (8 resets) in 224 ms. (177 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 146 ms. (272 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 187 ms. (212 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3827 after 10923
Interrupted probabilistic random walk after 390829 steps, run timeout after 3001 ms. (steps per millisecond=130 ) properties seen :0 out of 2
Probabilistic random walk after 390829 steps, saw 285092 distinct states, run finished after 3001 ms. (steps per millisecond=130 ) properties seen :0
[2026-05-25 05:06:07] [INFO ] Invariant cache hit.
[2026-05-25 05:06:07] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 741/741 variables, and 363 constraints, problems are : Problem set: 0 solved, 2 unsolved in 414 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 2/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 741/741 variables, and 365 constraints, problems are : Problem set: 0 solved, 2 unsolved in 769 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1192ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 74 ms.
Support contains 1 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 9 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 251/251 places, 490/490 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 8 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
[2026-05-25 05:06:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:06:09] [INFO ] Implicit Places using invariants in 385 ms returned []
[2026-05-25 05:06:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:06:09] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:06:10] [INFO ] Implicit Places using invariants and state equation in 1403 ms returned []
Implicit Place search using SMT with State Equation took 1790 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:06:10] [INFO ] Redundant transitions in 3 ms returned []
Running 480 sub problems to find dead transitions.
[2026-05-25 05:06:10] [INFO ] Invariant cache hit.
[2026-05-25 05:06:11] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10923 after 8.78677e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8.78677e+06 after 8.93303e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :8.93303e+06 after 1.01559e+07
At refinement iteration 3 (OVERLAPS) 1/250 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:29] [INFO ] Deduced a trap composed of 58 places in 593 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:30] [INFO ] Deduced a trap composed of 40 places in 242 ms of which 23 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:34] [INFO ] Deduced a trap composed of 67 places in 559 ms of which 23 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 250/741 variables, and 24 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30031 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 480/480 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :1.01559e+07 after 1.54609e+07
At refinement iteration 3 (INCLUDED_ONLY) 0/249 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 4 (OVERLAPS) 1/250 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:50] [INFO ] Deduced a trap composed of 49 places in 305 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:50] [INFO ] Deduced a trap composed of 67 places in 193 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
Detected timeout of ITS tools.
[2026-05-25 05:06:50] [INFO ] Flatten gal took : 66 ms
[2026-05-25 05:06:50] [INFO ] Applying decomposition
[2026-05-25 05:06:50] [INFO ] Flatten gal took : 35 ms
[2026-05-25 05:06:51] [INFO ] Deduced a trap composed of 58 places in 483 ms of which 35 ms to minimize.
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/graph8845963570093378050.txt' '-o' '/tmp/graph8845963570093378050.bin' '-w' '/tmp/graph8845963570093378050.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8845963570093378050.bin' '-l' '-1' '-v' '-w' '/tmp/graph8845963570093378050.weights' '-q' '0' '-e' '0.001'
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:51] [INFO ] Decomposing Gal with order
[2026-05-25 05:06:51] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:06:51] [INFO ] Removed a total of 877 redundant transitions.
[2026-05-25 05:06:51] [INFO ] Flatten gal took : 161 ms
[2026-05-25 05:06:51] [INFO ] Deduced a trap composed of 58 places in 270 ms of which 40 ms to minimize.
[2026-05-25 05:06:51] [INFO ] Fuse similar labels procedure discarded/fused a total of 11 labels/synchronizations in 14 ms.
[2026-05-25 05:06:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality978049065487571791.gal : 11 ms
[2026-05-25 05:06:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16775598512038512618.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/ReachabilityCardinality978049065487571791.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16775598512038512618.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality16775598512038512618.prop.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:52] [INFO ] Deduced a trap composed of 68 places in 132 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:52] [INFO ] Deduced a trap composed of 67 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 05:06:52] [INFO ] Deduced a trap composed of 49 places in 396 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:53] [INFO ] Deduced a trap composed of 67 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 05:06:53] [INFO ] Deduced a trap composed of 67 places in 193 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:55] [INFO ] Deduced a trap composed of 67 places in 1509 ms of which 52 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:06:56] [INFO ] Deduced a trap composed of 49 places in 172 ms of which 22 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 11/35 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:01] [INFO ] Deduced a trap composed of 49 places in 166 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:03] [INFO ] Deduced a trap composed of 58 places in 153 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:03] [INFO ] Deduced a trap composed of 50 places in 158 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:04] [INFO ] Deduced a trap composed of 49 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 05:07:09] [INFO ] Deduced a trap composed of 50 places in 184 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:09] [INFO ] Deduced a trap composed of 50 places in 159 ms of which 23 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/250 variables, 6/41 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 250/741 variables, and 41 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30013 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 10/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/480 constraints, Known Traps: 20/20 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60356ms problems are : Problem set: 0 solved, 480 unsolved
Search for dead transitions found 0 dead transitions in 60363ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62197 ms. Remains : 251/251 places, 490/490 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 100 Pre rules applied. Total rules applied 0 place count 251 transition count 390
Deduced a syphon composed of 100 places in 0 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 0 with 200 rules applied. Total rules applied 200 place count 151 transition count 390
Applied a total of 200 rules in 9 ms. Remains 151 /251 variables (removed 100) and now considering 390/490 (removed 100) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 390 rows 151 cols
[2026-05-25 05:07:11] [INFO ] Computed 22 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 05:07:11] [INFO ] [Real]Absence check using 11 positive place invariants in 5 ms returned sat
[2026-05-25 05:07:11] [INFO ] [Real]Absence check using 11 positive and 11 generalized place invariants in 11 ms returned sat
[2026-05-25 05:07:11] [INFO ] After 87ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 05:07:11] [INFO ] After 125ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :2
[2026-05-25 05:07:11] [INFO ] After 207ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :2
[2026-05-25 05:07:11] [INFO ] Flatten gal took : 22 ms
[2026-05-25 05:07:11] [INFO ] Flatten gal took : 19 ms
[2026-05-25 05:07:11] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16147551367195504132.gal : 10 ms
[2026-05-25 05:07:11] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2572315873083344016.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/ReachabilityCardinality16147551367195504132.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2572315873083344016.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/ReachabilityCardinality2572315873083344016.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 12
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :12 after 35
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :35 after 65
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :65 after 198
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :198 after 325
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :325 after 929
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :929 after 1858
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1858 after 3620
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3620 after 1.32889e+07
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.32889e+07 after 1.83221e+07
Detected timeout of ITS tools.
[2026-05-25 05:07:26] [INFO ] Flatten gal took : 63 ms
[2026-05-25 05:07:26] [INFO ] Applying decomposition
[2026-05-25 05:07:26] [INFO ] Flatten gal took : 18 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/graph10341197482072749828.txt' '-o' '/tmp/graph10341197482072749828.bin' '-w' '/tmp/graph10341197482072749828.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10341197482072749828.bin' '-l' '-1' '-v' '-w' '/tmp/graph10341197482072749828.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:07:26] [INFO ] Decomposing Gal with order
[2026-05-25 05:07:26] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:07:26] [INFO ] Removed a total of 720 redundant transitions.
[2026-05-25 05:07:26] [INFO ] Flatten gal took : 42 ms
[2026-05-25 05:07:26] [INFO ] Fuse similar labels procedure discarded/fused a total of 38 labels/synchronizations in 9 ms.
[2026-05-25 05:07:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8359241423308317529.gal : 4 ms
[2026-05-25 05:07:26] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1029834813064059063.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/ReachabilityCardinality8359241423308317529.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1029834813064059063.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality1029834813064059063.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.02214e+08,10.5406,258292,31124,78,510478,420,852,385568,88,896,0
Total reachable state count : 202214083

Verifying 2 reachability properties.
Reachability property MAX0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,4,10.6228,258292,59,58,510478,420,852,385568,90,896,0
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,4,10.6337,258292,59,58,510478,420,855,385568,91,896,0
Over-approximation ignoring read arcs solved 0 properties in 26228 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Starting property specific reduction for Anderson-PT-10-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
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]
// Phase 1: matrix 490 rows 251 cols
[2026-05-25 05:07:37] [INFO ] Computed 22 invariants in 4 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 10000 steps (2 resets) in 12 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 05:07:37] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2026-05-25 05:07:37] [INFO ] [Real]Absence check using 11 positive place invariants in 17 ms returned sat
[2026-05-25 05:07:37] [INFO ] [Real]Absence check using 11 positive and 11 generalized place invariants in 13 ms returned sat
[2026-05-25 05:07:38] [INFO ] [Real]Absence check using state equation in 350 ms returned sat
[2026-05-25 05:07:38] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:07:38] [INFO ] [Real]Added 90 Read/Feed constraints in 30 ms returned sat
[2026-05-25 05:07:38] [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 05:07:38] [INFO ] [Nat]Absence check using 11 positive place invariants in 28 ms returned sat
[2026-05-25 05:07:38] [INFO ] [Nat]Absence check using 11 positive and 11 generalized place invariants in 14 ms returned sat
[2026-05-25 05:07:38] [INFO ] [Nat]Absence check using state equation in 311 ms returned sat
[2026-05-25 05:07:38] [INFO ] [Nat]Added 90 Read/Feed constraints in 42 ms returned sat
[2026-05-25 05:07:38] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 460 transitions) in 62 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:40] [INFO ] Deduced a trap composed of 39 places in 1393 ms of which 24 ms to minimize.
[2026-05-25 05:07:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 1450 ms
[2026-05-25 05:07:40] [INFO ] Added : 2 causal constraints over 2 iterations in 1654 ms. Result :sat
Minimization took 434 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:[0] Max Struct:[1]
Support contains 1 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 14 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 251/251 places, 490/490 transitions.
[2026-05-25 05:07:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[1]
RANDOM walk for 1000000 steps (2 resets) in 1370 ms. (729 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 693 ms. (1440 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[1]
[2026-05-25 05:07:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2026-05-25 05:07:43] [INFO ] [Real]Absence check using 11 positive place invariants in 6 ms returned sat
[2026-05-25 05:07:43] [INFO ] [Real]Absence check using 11 positive and 11 generalized place invariants in 22 ms returned sat
[2026-05-25 05:07:43] [INFO ] [Real]Absence check using state equation in 184 ms returned sat
[2026-05-25 05:07:43] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:07:43] [INFO ] [Real]Added 90 Read/Feed constraints in 13 ms returned sat
[2026-05-25 05:07:43] [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 05:07:43] [INFO ] [Nat]Absence check using 11 positive place invariants in 12 ms returned sat
[2026-05-25 05:07:43] [INFO ] [Nat]Absence check using 11 positive and 11 generalized place invariants in 21 ms returned sat
[2026-05-25 05:07:43] [INFO ] [Nat]Absence check using state equation in 196 ms returned sat
[2026-05-25 05:07:43] [INFO ] [Nat]Added 90 Read/Feed constraints in 59 ms returned sat
[2026-05-25 05:07:43] [INFO ] Computed and/alt/rep : 20/30/20 causal constraints (skipped 460 transitions) in 52 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:44] [INFO ] Deduced a trap composed of 39 places in 237 ms of which 10 ms to minimize.
[2026-05-25 05:07:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 284 ms
[2026-05-25 05:07:44] [INFO ] Added : 2 causal constraints over 2 iterations in 520 ms. Result :sat
Minimization took 372 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:[0] Max Struct:[1]
Support contains 1 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 7 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 251/251 places, 490/490 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 7 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
[2026-05-25 05:07:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:45] [INFO ] Implicit Places using invariants in 401 ms returned []
[2026-05-25 05:07:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:07:45] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:07:46] [INFO ] Implicit Places using invariants and state equation in 1639 ms returned []
Implicit Place search using SMT with State Equation took 2048 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:07:46] [INFO ] Redundant transitions in 6 ms returned []
Running 480 sub problems to find dead transitions.
[2026-05-25 05:07:46] [INFO ] Invariant cache hit.
[2026-05-25 05:07:46] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 3 (OVERLAPS) 1/250 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:07:59] [INFO ] Deduced a trap composed of 58 places in 287 ms of which 31 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:00] [INFO ] Deduced a trap composed of 40 places in 250 ms of which 20 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:03] [INFO ] Deduced a trap composed of 67 places in 203 ms of which 37 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/250 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 8 (OVERLAPS) 1/251 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:12] [INFO ] Deduced a trap composed of 39 places in 309 ms of which 33 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:08:13] [INFO ] Deduced a trap composed of 40 places in 259 ms of which 23 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/251 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 251/741 variables, and 27 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30014 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 480/480 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/249 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 4 (OVERLAPS) 1/250 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 7 (OVERLAPS) 1/251 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/251 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 251/741 variables, and 27 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30015 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/480 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60194ms problems are : Problem set: 0 solved, 480 unsolved
Search for dead transitions found 0 dead transitions in 60195ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62298 ms. Remains : 251/251 places, 490/490 transitions.
[2026-05-25 05:08:46] [INFO ] Flatten gal took : 37 ms
RANDOM walk for 40000 steps (8 resets) in 185 ms. (215 steps per ms) remains 2/2 properties
[2026-05-25 05:08:47] [INFO ] Flatten gal took : 30 ms
[2026-05-25 05:08:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15428841097231590744.gal : 4 ms
[2026-05-25 05:08:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5279891431005051379.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/ReachabilityCardinality15428841097231590744.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5279891431005051379.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (8 resets) in 76 ms. (519 steps per ms) remains 2/2 properties

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
BEST_FIRST walk for 40002 steps (8 resets) in 131 ms. (303 steps per ms) remains 2/2 properties
Loading property file /tmp/ReachabilityCardinality5279891431005051379.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :3 after 6
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :6 after 9
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :9 after 12
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :12 after 24
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :24 after 61
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :61 after 172
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :172 after 1015
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1015 after 3827
Interrupted probabilistic random walk after 583474 steps, run timeout after 3001 ms. (steps per millisecond=194 ) properties seen :0 out of 2
Probabilistic random walk after 583474 steps, saw 421866 distinct states, run finished after 3001 ms. (steps per millisecond=194 ) properties seen :0
[2026-05-25 05:08:50] [INFO ] Invariant cache hit.
[2026-05-25 05:08:50] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 741/741 variables, and 363 constraints, problems are : Problem set: 0 solved, 2 unsolved in 341 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 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) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 2/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 741/741 variables, and 365 constraints, problems are : Problem set: 0 solved, 2 unsolved in 717 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1084ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 23 ms.
Support contains 1 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 17 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 251/251 places, 490/490 transitions.
RANDOM walk for 40000 steps (8 resets) in 138 ms. (287 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 73 ms. (540 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3827 after 10923
Interrupted probabilistic random walk after 346890 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 2
Probabilistic random walk after 346890 steps, saw 253743 distinct states, run finished after 3001 ms. (steps per millisecond=115 ) properties seen :0
[2026-05-25 05:08:54] [INFO ] Invariant cache hit.
[2026-05-25 05:08:54] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/741 variables, 0/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 741/741 variables, and 363 constraints, problems are : Problem set: 0 solved, 2 unsolved in 437 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 221/222 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/222 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 9/231 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/231 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 20/251 variables, 11/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/251 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 490/741 variables, 251/273 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/741 variables, 90/363 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/741 variables, 2/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/741 variables, 0/365 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 741/741 variables, and 365 constraints, problems are : Problem set: 0 solved, 2 unsolved in 486 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 251/251 constraints, ReadFeed: 90/90 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 931ms problems are : Problem set: 0 solved, 2 unsolved
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 53 ms.
Support contains 1 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 18 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 251/251 places, 490/490 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 490/490 transitions.
Applied a total of 0 rules in 8 ms. Remains 251 /251 variables (removed 0) and now considering 490/490 (removed 0) transitions.
[2026-05-25 05:08:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:08:56] [INFO ] Implicit Places using invariants in 818 ms returned []
[2026-05-25 05:08:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2026-05-25 05:08:56] [INFO ] State equation strengthened by 90 read => feed constraints.
[2026-05-25 05:08:58] [INFO ] Implicit Places using invariants and state equation in 2620 ms returned []
Implicit Place search using SMT with State Equation took 3440 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2026-05-25 05:08:58] [INFO ] Redundant transitions in 6 ms returned []
Running 480 sub problems to find dead transitions.
[2026-05-25 05:08:58] [INFO ] Invariant cache hit.
[2026-05-25 05:08:58] [INFO ] State equation strengthened by 90 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :10923 after 8.78677e+06
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 3 (OVERLAPS) 1/250 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 480 unsolved
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :8.78677e+06 after 8.93303e+06
At refinement iteration 4 (INCLUDED_ONLY) 0/250 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:09:13] [INFO ] Deduced a trap composed of 58 places in 157 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:09:14] [INFO ] Deduced a trap composed of 40 places in 167 ms of which 19 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:09:17] [INFO ] Deduced a trap composed of 67 places in 204 ms of which 24 ms to minimize.
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :8.93303e+06 after 1.01559e+07
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/250 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 8 (OVERLAPS) 1/251 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:09:27] [INFO ] Deduced a trap composed of 39 places in 178 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2026-05-25 05:09:28] [INFO ] Deduced a trap composed of 40 places in 377 ms of which 18 ms to minimize.
Error getting values : (error "ParserException while parsing response: ((s0 0.0)
(s1 0.0)
(s2 0.0)
(s3 0.0)
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(s5 0.0)
(s6 0.0)
(s7 1.0)
(s8 0.0)
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(s10 1.0)
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(s12 0.0)
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(s34 0.0)
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(s39 0.0)
(s40 0.0)
(s41 0.0)
(s42 0.0)
(s43 0.0)
(s44 0.0)
(s45 0.0)
(s46 (/ 3.0 5.0))
(s47 0.0)
(s48 0.0)
(s49 0.0)
(s50 0.0)
(s51 0.0)
(s52 0.0)
(s53 0.0)
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(s57 0.0)
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(s60 0.0)
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(s62 0.0)
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(s64 0.0)
(s65 0.0)
(s66 0.0)
(s67 0.0)
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(s69 0.0)
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(s71 0.0)
(s72 0.0)
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(s74 0.0)
(s75 0.0)
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(s78 0.0)
(s79 0.0)
(s80 0.0)
(s81 0.0)
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(s85 0.0)
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(s87 0.0)
(s88 0.0)
(s89 0.0)
(s90 0.0)
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(s96 0.0)
(s97 0.0)
(s98 0.0)
(s99 0.0)
(s100 0.0)
(s101 0.0)
(s102 (/ 1.0 5.0))
(s103 0.0)
(s104 0.0)
(s105 (/ 1.0 5.0))
(s106 0.0)
(s107 0.0)
(s108 0.0)
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(s110 0.0)
(s111 0.0)
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(s114 0.0)
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(s116 0.0)
(s117 1.0)
(s118 0.0)
(s119 0.0)
(s120 0.0)
(s121 (/ 1.0 5.0))
(s122 0.0)
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(s124 0.0)
(s125 0.0)
(s126 (/ 3.0 5.0))
(s127 0.0)
(s128 0.0)
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(s132 0.0)
(s133 0.0)
(s134 0.0)
(s135 0.0)
(s136 0.0)
(s137 (/ 1.0 5.0))
(s138 0.0)
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(s141 0.0)
(s142 0.0)
(s143 0.0)
(s144 1.0)
(s145 0.0)timeout

org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 251/741 variables, and 27 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30022 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 480/480 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 480 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/249 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/249 variables, 5/14 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/249 variables, 3/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/249 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 4 (OVERLAPS) 1/250 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/250 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Detected timeout of ITS tools.
[2026-05-25 05:09:37] [INFO ] Flatten gal took : 53 ms
[2026-05-25 05:09:37] [INFO ] Applying decomposition
[2026-05-25 05:09:37] [INFO ] Flatten gal took : 22 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/graph5739337528864146535.txt' '-o' '/tmp/graph5739337528864146535.bin' '-w' '/tmp/graph5739337528864146535.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph5739337528864146535.bin' '-l' '-1' '-v' '-w' '/tmp/graph5739337528864146535.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:09:37] [INFO ] Decomposing Gal with order
[2026-05-25 05:09:37] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:09:37] [INFO ] Removed a total of 942 redundant transitions.
[2026-05-25 05:09:37] [INFO ] Flatten gal took : 39 ms
[2026-05-25 05:09:37] [INFO ] Fuse similar labels procedure discarded/fused a total of 32 labels/synchronizations in 12 ms.
[2026-05-25 05:09:37] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11183277502982404032.gal : 5 ms
[2026-05-25 05:09:37] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4296428430952830377.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/ReachabilityCardinality11183277502982404032.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4296428430952830377.prop' '--nowitness'

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 ...308
Loading property file /tmp/ReachabilityCardinality4296428430952830377.prop.
At refinement iteration 6 (INCLUDED_ONLY) 0/250 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 7 (OVERLAPS) 1/251 variables, 1/25 constraints. Problems are: Problem set: 0 solved, 480 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/251 variables, 2/27 constraints. Problems are: Problem set: 0 solved, 480 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 251/741 variables, and 27 constraints, problems are : Problem set: 0 solved, 480 unsolved in 30044 ms.
Refiners :[Positive P Invariants (semi-flows): 11/11 constraints, Generalized P Invariants (flows): 11/11 constraints, State Equation: 0/251 constraints, ReadFeed: 0/90 constraints, PredecessorRefiner: 0/480 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60203ms problems are : Problem set: 0 solved, 480 unsolved
Search for dead transitions found 0 dead transitions in 60207ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 63671 ms. Remains : 251/251 places, 490/490 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 100 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 100 Pre rules applied. Total rules applied 0 place count 251 transition count 390
Deduced a syphon composed of 100 places in 1 ms
Reduce places removed 100 places and 0 transitions.
Iterating global reduction 0 with 200 rules applied. Total rules applied 200 place count 151 transition count 390
Applied a total of 200 rules in 15 ms. Remains 151 /251 variables (removed 100) and now considering 390/490 (removed 100) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 390 rows 151 cols
[2026-05-25 05:09:59] [INFO ] Computed 22 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2026-05-25 05:09:59] [INFO ] [Real]Absence check using 11 positive place invariants in 9 ms returned sat
[2026-05-25 05:09:59] [INFO ] [Real]Absence check using 11 positive and 11 generalized place invariants in 23 ms returned sat
[2026-05-25 05:09:59] [INFO ] After 126ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2026-05-25 05:09:59] [INFO ] After 179ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :2
[2026-05-25 05:09:59] [INFO ] After 308ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :2
[2026-05-25 05:09:59] [INFO ] Flatten gal took : 28 ms
[2026-05-25 05:09:59] [INFO ] Flatten gal took : 25 ms
[2026-05-25 05:09:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11414831988411195035.gal : 3 ms
[2026-05-25 05:09:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3233195672187907344.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/ReachabilityCardinality11414831988411195035.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3233195672187907344.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/ReachabilityCardinality3233195672187907344.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 12
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :12 after 35
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :35 after 65
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :65 after 198
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :198 after 325
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :325 after 929
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :929 after 1858
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1858 after 3620
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :3620 after 1.32889e+07
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :1.32889e+07 after 1.83221e+07
Detected timeout of ITS tools.
[2026-05-25 05:10:14] [INFO ] Flatten gal took : 18 ms
[2026-05-25 05:10:14] [INFO ] Applying decomposition
[2026-05-25 05:10:14] [INFO ] Flatten gal took : 13 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/graph1255722433724529109.txt' '-o' '/tmp/graph1255722433724529109.bin' '-w' '/tmp/graph1255722433724529109.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1255722433724529109.bin' '-l' '-1' '-v' '-w' '/tmp/graph1255722433724529109.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:10:14] [INFO ] Decomposing Gal with order
[2026-05-25 05:10:14] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:10:14] [INFO ] Removed a total of 750 redundant transitions.
[2026-05-25 05:10:14] [INFO ] Flatten gal took : 26 ms
[2026-05-25 05:10:14] [INFO ] Fuse similar labels procedure discarded/fused a total of 17 labels/synchronizations in 6 ms.
[2026-05-25 05:10:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2624836777535961076.gal : 3 ms
[2026-05-25 05:10:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8262511896823972793.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/ReachabilityCardinality2624836777535961076.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8262511896823972793.prop' '--nowitness'

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 ...307
Loading property file /tmp/ReachabilityCardinality8262511896823972793.prop.
Detected timeout of ITS tools.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.02214e+08,13.9457,317324,21161,78,593146,453,875,546940,81,1131,0
Total reachable state count : 202214083

Verifying 2 reachability properties.
Reachability property MAX0 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MAX0,1.66937e+06,13.9949,317324,4552,64,593146,453,875,546940,83,1131,0
Invariant property MIN0 does not hold.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
MIN0,1.66937e+06,14.0069,317324,4552,64,593146,453,877,546940,84,1131,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 29635 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[0] Max Struct:[1]
Ending property specific reduction for Anderson-PT-10-UpperBounds-12 in 171046 ms.
[2026-05-25 05:10:28] [INFO ] Flatten gal took : 13 ms
[2026-05-25 05:10:28] [INFO ] Applying decomposition
[2026-05-25 05:10:28] [INFO ] Flatten gal took : 14 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/graph10444894117149728370.txt' '-o' '/tmp/graph10444894117149728370.bin' '-w' '/tmp/graph10444894117149728370.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph10444894117149728370.bin' '-l' '-1' '-v' '-w' '/tmp/graph10444894117149728370.weights' '-q' '0' '-e' '0.001'
[2026-05-25 05:10:28] [INFO ] Decomposing Gal with order
[2026-05-25 05:10:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-25 05:10:28] [INFO ] Removed a total of 872 redundant transitions.
[2026-05-25 05:10:28] [INFO ] Flatten gal took : 31 ms
[2026-05-25 05:10:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 30 labels/synchronizations in 9 ms.
[2026-05-25 05:10:28] [INFO ] Time to serialize gal into /tmp/UpperBounds6223866080387090633.gal : 4 ms
[2026-05-25 05:10:28] [INFO ] Time to serialize properties into /tmp/UpperBounds13794052070544484508.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/UpperBounds6223866080387090633.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds13794052070544484508.prop' '--nowitness'

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 ...284
Loading property file /tmp/UpperBounds13794052070544484508.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,3.92591e+08,54.4641,820256,75754,272,1.60654e+06,1194,1278,893462,131,5193,0
Total reachable state count : 392591318

Verifying 1 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 1
Bounds property Anderson-PT-10-UpperBounds-12 :0 <= i3.i1.u9.p1_9_16 <= 1
FORMULA Anderson-PT-10-UpperBounds-12 1 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-10-UpperBounds-12,0,83.347,824992,1,0,1.60654e+06,19868,1497,2.97228e+06,153,506060,6844
Total runtime 435132 ms.

BK_STOP 1779685912408

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination 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="Anderson-PT-10"
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 Anderson-PT-10, 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 r015-oct2-177944372400025"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-10.tgz
mv Anderson-PT-10 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 ;