fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r147-tall-174876819600239
Last Updated
June 24, 2025

About the Execution of ITS-Tools for ParamProductionCell-PT-3

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 189046.00 0.00 0.00 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r147-tall-174876819600239.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ParamProductionCell-PT-3, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r147-tall-174876819600239
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 680K
-rw-r--r-- 1 mcc users 7.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 66K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 32K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.0K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 154K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 2 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 174K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1748809883112

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=ParamProductionCell-PT-3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-01 20:31:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-01 20:31:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-01 20:31:24] [INFO ] Load time of PNML (sax parser for PT used): 85 ms
[2025-06-01 20:31:24] [INFO ] Transformed 231 places.
[2025-06-01 20:31:24] [INFO ] Transformed 202 transitions.
[2025-06-01 20:31:24] [INFO ] Found NUPN structural information;
[2025-06-01 20:31:24] [INFO ] Parsed PT model containing 231 places and 202 transitions and 846 arcs in 169 ms.
Built sparse matrix representations for Structural reductions in 6 ms.20759KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 231/231 places, 202/202 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 31 ms. Remains 231 /231 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in DEADLOCK mode , in 1 iterations and 42 ms. Remains : 231/231 places, 202/202 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 231/231 places, 202/202 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 12 ms. Remains 231 /231 variables (removed 0) and now considering 202/202 (removed 0) transitions.
// Phase 1: matrix 202 rows 231 cols
[2025-06-01 20:31:24] [INFO ] Computed 59 invariants in 16 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:31:24] [INFO ] Implicit Places using invariants in 259 ms returned []
[2025-06-01 20:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:31:25] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-01 20:31:25] [INFO ] Implicit Places using invariants and state equation in 216 ms returned []
Implicit Place search using SMT with State Equation took 505 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:31:25] [INFO ] Redundant transitions in 6 ms returned []
Running 199 sub problems to find dead transitions.
[2025-06-01 20:31:25] [INFO ] Invariant cache hit.
[2025-06-01 20:31:25] [INFO ] State equation strengthened by 68 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 225/225 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/225 variables, 30/255 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 22/277 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:26] [INFO ] Deduced a trap composed of 5 places in 98 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:26] [INFO ] Deduced a trap composed of 7 places in 72 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:26] [INFO ] Deduced a trap composed of 7 places in 76 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:26] [INFO ] Deduced a trap composed of 20 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:26] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:26] [INFO ] Deduced a trap composed of 7 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 26 places in 73 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 27 places in 56 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 21 places in 63 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 7 places in 56 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 5 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 17 places in 68 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 27 places in 67 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:27] [INFO ] Deduced a trap composed of 9 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:28] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:28] [INFO ] Deduced a trap composed of 27 places in 65 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:28] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:28] [INFO ] Deduced a trap composed of 31 places in 50 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 20/297 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:29] [INFO ] Deduced a trap composed of 27 places in 83 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:29] [INFO ] Deduced a trap composed of 7 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:29] [INFO ] Deduced a trap composed of 31 places in 54 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:30] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:30] [INFO ] Deduced a trap composed of 38 places in 51 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:30] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:30] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:30] [INFO ] Deduced a trap composed of 8 places in 27 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:30] [INFO ] Deduced a trap composed of 6 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:30] [INFO ] Deduced a trap composed of 6 places in 28 ms of which 3 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 10/307 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:31] [INFO ] Deduced a trap composed of 9 places in 47 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:31] [INFO ] Deduced a trap composed of 35 places in 84 ms of which 4 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/225 variables, 2/309 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:33] [INFO ] Deduced a trap composed of 30 places in 63 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:33] [INFO ] Deduced a trap composed of 38 places in 49 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:36] [INFO ] Deduced a trap composed of 33 places in 53 ms of which 6 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 1/312 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/225 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 9 (OVERLAPS) 5/230 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/230 variables, 5/322 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:41] [INFO ] Deduced a trap composed of 5 places in 50 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:41] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:41] [INFO ] Deduced a trap composed of 10 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:41] [INFO ] Deduced a trap composed of 10 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:41] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:41] [INFO ] Deduced a trap composed of 7 places in 43 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:42] [INFO ] Deduced a trap composed of 11 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:42] [INFO ] Deduced a trap composed of 9 places in 44 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:43] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:43] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:43] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:43] [INFO ] Deduced a trap composed of 7 places in 41 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:43] [INFO ] Deduced a trap composed of 7 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:31:43] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 14/337 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/230 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 14 (OVERLAPS) 1/231 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/231 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/231 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 17 (OVERLAPS) 202/433 variables, 231/570 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/433 variables, 68/638 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/433 variables, and 638 constraints, problems are : Problem set: 0 solved, 199 unsolved in 30024 ms.
Refiners :[Domain max(s): 231/231 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 199/199 constraints, Known Traps: 49/49 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 225/225 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/225 variables, 30/255 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 22/277 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 45/322 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 5 (OVERLAPS) 5/230 variables, 5/327 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 5/332 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 199 unsolved
SMT process timed out in 60130ms, After SMT, problems are : Problem set: 0 solved, 199 unsolved
Search for dead transitions found 0 dead transitions in 60140ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 60691 ms. Remains : 231/231 places, 202/202 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1848 ms (no deadlock found). (steps per millisecond=676 )
Random directed walk for 1250003 steps, including 0 resets, run took 1401 ms (no deadlock found). (steps per millisecond=892 )
[2025-06-01 20:32:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:32:28] [INFO ] [Real]Absence check using 35 positive place invariants in 194 ms returned sat
[2025-06-01 20:32:30] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 1143 ms returned sat
[2025-06-01 20:32:37] [INFO ] [Real]Absence check using state equation in 6972 ms returned sat
[2025-06-01 20:32:37] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:32:37] [INFO ] [Nat]Absence check using 35 positive place invariants in 74 ms returned sat
[2025-06-01 20:32:37] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 234 ms returned sat
[2025-06-01 20:32:42] [INFO ] [Nat]Absence check using state equation in 5276 ms returned sat
[2025-06-01 20:32:42] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-01 20:32:42] [INFO ] [Nat]Added 68 Read/Feed constraints in 148 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:43] [INFO ] Deduced a trap composed of 7 places in 108 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:43] [INFO ] Deduced a trap composed of 7 places in 75 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:43] [INFO ] Deduced a trap composed of 7 places in 85 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:43] [INFO ] Deduced a trap composed of 7 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:44] [INFO ] Deduced a trap composed of 10 places in 133 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:44] [INFO ] Deduced a trap composed of 10 places in 93 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:44] [INFO ] Deduced a trap composed of 10 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:44] [INFO ] Deduced a trap composed of 10 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:45] [INFO ] Deduced a trap composed of 11 places in 77 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:45] [INFO ] Deduced a trap composed of 21 places in 66 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:45] [INFO ] Deduced a trap composed of 7 places in 80 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:45] [INFO ] Deduced a trap composed of 21 places in 83 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:45] [INFO ] Deduced a trap composed of 7 places in 77 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:46] [INFO ] Deduced a trap composed of 27 places in 107 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:46] [INFO ] Deduced a trap composed of 7 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:46] [INFO ] Deduced a trap composed of 5 places in 54 ms of which 4 ms to minimize.
[2025-06-01 20:32:46] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 3456 ms
[2025-06-01 20:32:46] [INFO ] Computed and/alt/rep : 194/512/194 causal constraints (skipped 5 transitions) in 22 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:50] [INFO ] Deduced a trap composed of 20 places in 81 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:50] [INFO ] Deduced a trap composed of 21 places in 65 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:51] [INFO ] Deduced a trap composed of 27 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:51] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:52] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:52] [INFO ] Deduced a trap composed of 7 places in 66 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:52] [INFO ] Deduced a trap composed of 24 places in 73 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:53] [INFO ] Deduced a trap composed of 26 places in 78 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:53] [INFO ] Deduced a trap composed of 7 places in 62 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:53] [INFO ] Deduced a trap composed of 27 places in 76 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:53] [INFO ] Deduced a trap composed of 27 places in 89 ms of which 10 ms to minimize.
[2025-06-01 20:32:54] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 11 trap constraints in 3808 ms
[2025-06-01 20:32:54] [INFO ] Solution in real domain found non-integer solution.
Random directed walk for 500000 steps, including 0 resets, run took 551 ms (no deadlock found). (steps per millisecond=907 )
Random walk for 500000 steps, including 0 resets, run took 672 ms (no deadlock found). (steps per millisecond=744 )
Random directed walk for 500000 steps, including 0 resets, run took 549 ms (no deadlock found). (steps per millisecond=910 )
Random walk for 500000 steps, including 0 resets, run took 671 ms (no deadlock found). (steps per millisecond=745 )
Starting structural reductions in DEADLOCK mode, iteration 0 : 231/231 places, 202/202 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 8 ms. Remains 231 /231 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2025-06-01 20:32:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:56] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-01 20:32:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:32:56] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-01 20:32:56] [INFO ] Implicit Places using invariants and state equation in 180 ms returned []
Implicit Place search using SMT with State Equation took 267 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-01 20:32:56] [INFO ] Redundant transitions in 6 ms returned []
Running 199 sub problems to find dead transitions.
[2025-06-01 20:32:56] [INFO ] Invariant cache hit.
[2025-06-01 20:32:56] [INFO ] State equation strengthened by 68 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 225/225 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/225 variables, 30/255 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 22/277 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 5 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 7 places in 80 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 7 places in 60 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 20 places in 70 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 7 places in 73 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 26 places in 77 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:58] [INFO ] Deduced a trap composed of 27 places in 64 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 7 places in 69 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 5 places in 47 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 17 places in 73 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 7 places in 45 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 27 places in 77 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 24 places in 66 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 9 places in 82 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:32:59] [INFO ] Deduced a trap composed of 38 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:00] [INFO ] Deduced a trap composed of 27 places in 73 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:00] [INFO ] Deduced a trap composed of 31 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:00] [INFO ] Deduced a trap composed of 31 places in 55 ms of which 5 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 20/297 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:01] [INFO ] Deduced a trap composed of 27 places in 91 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:01] [INFO ] Deduced a trap composed of 7 places in 68 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:01] [INFO ] Deduced a trap composed of 31 places in 68 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:02] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:02] [INFO ] Deduced a trap composed of 38 places in 50 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:02] [INFO ] Deduced a trap composed of 21 places in 55 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:02] [INFO ] Deduced a trap composed of 5 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:03] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:03] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:03] [INFO ] Deduced a trap composed of 6 places in 35 ms of which 2 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 10/307 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:03] [INFO ] Deduced a trap composed of 9 places in 49 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:04] [INFO ] Deduced a trap composed of 35 places in 42 ms of which 3 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/225 variables, 2/309 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:05] [INFO ] Deduced a trap composed of 30 places in 50 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:05] [INFO ] Deduced a trap composed of 38 places in 59 ms of which 6 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/225 variables, 2/311 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:08] [INFO ] Deduced a trap composed of 33 places in 72 ms of which 9 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/225 variables, 1/312 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/225 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 9 (OVERLAPS) 5/230 variables, 5/317 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/230 variables, 5/322 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/230 variables, 1/323 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:13] [INFO ] Deduced a trap composed of 5 places in 37 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:13] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:13] [INFO ] Deduced a trap composed of 10 places in 30 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:13] [INFO ] Deduced a trap composed of 10 places in 46 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:13] [INFO ] Deduced a trap composed of 10 places in 41 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:14] [INFO ] Deduced a trap composed of 7 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:14] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:14] [INFO ] Deduced a trap composed of 9 places in 52 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:15] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:15] [INFO ] Deduced a trap composed of 7 places in 53 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:15] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:15] [INFO ] Deduced a trap composed of 7 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:15] [INFO ] Deduced a trap composed of 7 places in 42 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:33:15] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 4 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/230 variables, 14/337 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/230 variables, 0/337 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 14 (OVERLAPS) 1/231 variables, 1/338 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/231 variables, 1/339 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/231 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 17 (OVERLAPS) 202/433 variables, 231/570 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/433 variables, 68/638 constraints. Problems are: Problem set: 0 solved, 199 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/433 variables, and 638 constraints, problems are : Problem set: 0 solved, 199 unsolved in 30017 ms.
Refiners :[Domain max(s): 231/231 constraints, Positive P Invariants (semi-flows): 35/35 constraints, Generalized P Invariants (flows): 24/24 constraints, State Equation: 231/231 constraints, ReadFeed: 68/68 constraints, PredecessorRefiner: 199/199 constraints, Known Traps: 49/49 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 199 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/225 variables, 225/225 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/225 variables, 30/255 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/225 variables, 22/277 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/225 variables, 45/322 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/225 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 5 (OVERLAPS) 5/230 variables, 5/327 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/230 variables, 5/332 constraints. Problems are: Problem set: 0 solved, 199 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/230 variables, 1/333 constraints. Problems are: Problem set: 0 solved, 199 unsolved
SMT process timed out in 60097ms, After SMT, problems are : Problem set: 0 solved, 199 unsolved
Search for dead transitions found 0 dead transitions in 60099ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 60387 ms. Remains : 231/231 places, 202/202 transitions.
Random walk for 1250000 steps, including 0 resets, run took 1702 ms (no deadlock found). (steps per millisecond=734 )
Random directed walk for 1250001 steps, including 0 resets, run took 1382 ms (no deadlock found). (steps per millisecond=904 )
[2025-06-01 20:34:00] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:34:00] [INFO ] [Real]Absence check using 35 positive place invariants in 179 ms returned sat
[2025-06-01 20:34:01] [INFO ] [Real]Absence check using 35 positive and 24 generalized place invariants in 1151 ms returned sat
[2025-06-01 20:34:08] [INFO ] [Real]Absence check using state equation in 7086 ms returned sat
[2025-06-01 20:34:08] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-01 20:34:08] [INFO ] [Nat]Absence check using 35 positive place invariants in 32 ms returned sat
[2025-06-01 20:34:08] [INFO ] [Nat]Absence check using 35 positive and 24 generalized place invariants in 241 ms returned sat
[2025-06-01 20:34:14] [INFO ] [Nat]Absence check using state equation in 5334 ms returned sat
[2025-06-01 20:34:14] [INFO ] State equation strengthened by 68 read => feed constraints.
[2025-06-01 20:34:14] [INFO ] [Nat]Added 68 Read/Feed constraints in 163 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:14] [INFO ] Deduced a trap composed of 7 places in 78 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:14] [INFO ] Deduced a trap composed of 7 places in 76 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:14] [INFO ] Deduced a trap composed of 7 places in 74 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:15] [INFO ] Deduced a trap composed of 7 places in 79 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:15] [INFO ] Deduced a trap composed of 10 places in 92 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:15] [INFO ] Deduced a trap composed of 10 places in 79 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:16] [INFO ] Deduced a trap composed of 10 places in 83 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:16] [INFO ] Deduced a trap composed of 10 places in 75 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:16] [INFO ] Deduced a trap composed of 11 places in 80 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:16] [INFO ] Deduced a trap composed of 21 places in 74 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:16] [INFO ] Deduced a trap composed of 7 places in 75 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:16] [INFO ] Deduced a trap composed of 21 places in 76 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:17] [INFO ] Deduced a trap composed of 7 places in 77 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:17] [INFO ] Deduced a trap composed of 27 places in 80 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:17] [INFO ] Deduced a trap composed of 7 places in 49 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:17] [INFO ] Deduced a trap composed of 5 places in 49 ms of which 3 ms to minimize.
[2025-06-01 20:34:17] [INFO ] Trap strengthening (SAT) tested/added 17/16 trap constraints in 3285 ms
[2025-06-01 20:34:17] [INFO ] Computed and/alt/rep : 194/512/194 causal constraints (skipped 5 transitions) in 12 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:21] [INFO ] Deduced a trap composed of 20 places in 72 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:21] [INFO ] Deduced a trap composed of 21 places in 60 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:22] [INFO ] Deduced a trap composed of 27 places in 69 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:23] [INFO ] Deduced a trap composed of 7 places in 177 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:23] [INFO ] Deduced a trap composed of 21 places in 58 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:23] [INFO ] Deduced a trap composed of 7 places in 48 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:24] [INFO ] Deduced a trap composed of 24 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:24] [INFO ] Deduced a trap composed of 26 places in 70 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:24] [INFO ] Deduced a trap composed of 7 places in 64 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:24] [INFO ] Deduced a trap composed of 27 places in 66 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-01 20:34:25] [INFO ] Deduced a trap composed of 27 places in 72 ms of which 10 ms to minimize.
[2025-06-01 20:34:25] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 11 trap constraints in 3954 ms
[2025-06-01 20:34:25] [INFO ] Solution in real domain found non-integer solution.
Random directed walk for 500000 steps, including 0 resets, run took 590 ms (no deadlock found). (steps per millisecond=847 )
Random walk for 500000 steps, including 0 resets, run took 690 ms (no deadlock found). (steps per millisecond=724 )
Random directed walk for 500000 steps, including 0 resets, run took 547 ms (no deadlock found). (steps per millisecond=914 )
Random walk for 500000 steps, including 0 resets, run took 688 ms (no deadlock found). (steps per millisecond=726 )
[2025-06-01 20:34:28] [INFO ] Flatten gal took : 107 ms
Starting structural reductions in LIVENESS mode, iteration 0 : 231/231 places, 202/202 transitions.
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 14 Pre rules applied. Total rules applied 0 place count 231 transition count 188
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 0 with 28 rules applied. Total rules applied 28 place count 217 transition count 188
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 64 place count 199 transition count 170
Applied a total of 64 rules in 21 ms. Remains 199 /231 variables (removed 32) and now considering 170/202 (removed 32) transitions.
// Phase 1: matrix 170 rows 199 cols
[2025-06-01 20:34:28] [INFO ] Computed 59 invariants in 12 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:28] [INFO ] Implicit Places using invariants in 565 ms returned [15, 16, 17, 18, 22, 28, 31, 32, 35, 36, 40, 41, 51, 54, 55, 61, 64, 65, 77, 78, 80, 93, 94, 96, 98, 99, 137, 138, 140, 142, 143, 168, 169, 172, 173, 178, 179, 181, 190]
[2025-06-01 20:34:28] [INFO ] Actually due to overlaps returned [80, 78, 77, 35, 40, 54, 64, 93, 94, 96, 137, 138, 140, 172, 173, 181, 17, 18, 22, 28, 36, 41, 55, 65, 178, 179, 190, 98, 99, 142, 143, 168, 169]
Discarding 33 places :
Implicit Place search using SMT only with invariants took 572 ms to find 33 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 166/231 places, 170/202 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 166 transition count 151
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 38 place count 147 transition count 151
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 38 place count 147 transition count 147
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 46 place count 143 transition count 147
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 2 with 98 rules applied. Total rules applied 144 place count 94 transition count 98
Applied a total of 144 rules in 9 ms. Remains 94 /166 variables (removed 72) and now considering 98/170 (removed 72) transitions.
// Phase 1: matrix 98 rows 94 cols
[2025-06-01 20:34:28] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:29] [INFO ] Implicit Places using invariants in 188 ms returned [15, 16, 23, 24, 33, 38]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 189 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 88/231 places, 98/202 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 85 transition count 95
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 84 transition count 94
Applied a total of 8 rules in 13 ms. Remains 84 /88 variables (removed 4) and now considering 94/98 (removed 4) transitions.
// Phase 1: matrix 94 rows 84 cols
[2025-06-01 20:34:29] [INFO ] Computed 20 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:29] [INFO ] Implicit Places using invariants in 152 ms returned []
[2025-06-01 20:34:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:29] [INFO ] State equation strengthened by 67 read => feed constraints.
[2025-06-01 20:34:29] [INFO ] Implicit Places using invariants and state equation in 237 ms returned []
Implicit Place search using SMT with State Equation took 398 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 84/231 places, 94/202 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 1203 ms. Remains : 84/231 places, 94/202 transitions.
Initial state reduction rules removed 2 formulas.
[2025-06-01 20:34:29] [INFO ] Flatten gal took : 9 ms
[2025-06-01 20:34:29] [INFO ] Flatten gal took : 7 ms
[2025-06-01 20:34:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality938271526564457484.gal : 28 ms
RANDOM walk for 3169 steps (0 resets) in 130 ms. (24 steps per ms) remains 0/92 properties
[2025-06-01 20:34:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12547795137728972095.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/ReachabilityCardinality938271526564457484.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12547795137728972095.prop' '--nowitness' '--gen-order' 'FOLLOW'

ITS runner timed out or was interrupted.
its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
ITS tools runner thread asked to quit. Dying gracefully.
Able to resolve query QuasiLiveness after proving 94 properties.
Starting structural reductions in LIVENESS mode, iteration 0 : 231/231 places, 202/202 transitions.
Performed 14 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 14 Pre rules applied. Total rules applied 0 place count 231 transition count 188
Deduced a syphon composed of 14 places in 11 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 0 with 28 rules applied. Total rules applied 28 place count 217 transition count 188
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 0 with 36 rules applied. Total rules applied 64 place count 199 transition count 170
Applied a total of 64 rules in 18 ms. Remains 199 /231 variables (removed 32) and now considering 170/202 (removed 32) transitions.
// Phase 1: matrix 170 rows 199 cols
[2025-06-01 20:34:29] [INFO ] Computed 59 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:30] [INFO ] Implicit Places using invariants in 539 ms returned [15, 16, 17, 18, 22, 28, 31, 32, 35, 36, 40, 41, 51, 54, 55, 61, 64, 65, 77, 78, 80, 93, 94, 96, 98, 99, 137, 138, 140, 142, 143, 168, 169, 172, 173, 178, 179, 181, 190]
[2025-06-01 20:34:30] [INFO ] Actually due to overlaps returned [80, 78, 77, 35, 40, 54, 64, 93, 94, 96, 137, 138, 140, 172, 173, 181, 17, 18, 22, 28, 36, 41, 55, 65, 178, 179, 190, 98, 99, 142, 143, 168, 169]
Discarding 33 places :
Implicit Place search using SMT only with invariants took 549 ms to find 33 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 166/231 places, 170/202 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 19 transitions
Trivial Post-agglo rules discarded 19 transitions
Performed 19 trivial Post agglomeration. Transition count delta: 19
Iterating post reduction 0 with 19 rules applied. Total rules applied 19 place count 166 transition count 151
Reduce places removed 19 places and 0 transitions.
Iterating post reduction 1 with 19 rules applied. Total rules applied 38 place count 147 transition count 151
Performed 4 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 4 Pre rules applied. Total rules applied 38 place count 147 transition count 147
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 8 rules applied. Total rules applied 46 place count 143 transition count 147
Performed 49 Post agglomeration using F-continuation condition.Transition count delta: 49
Deduced a syphon composed of 49 places in 0 ms
Reduce places removed 49 places and 0 transitions.
Iterating global reduction 2 with 98 rules applied. Total rules applied 144 place count 94 transition count 98
Applied a total of 144 rules in 7 ms. Remains 94 /166 variables (removed 72) and now considering 98/170 (removed 72) transitions.
// Phase 1: matrix 98 rows 94 cols
[2025-06-01 20:34:30] [INFO ] Computed 26 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:30] [INFO ] Implicit Places using invariants in 217 ms returned [15, 16, 23, 24, 33, 38]
Discarding 6 places :
Implicit Place search using SMT only with invariants took 219 ms to find 6 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 88/231 places, 98/202 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 85 transition count 95
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 8 place count 84 transition count 94
Applied a total of 8 rules in 18 ms. Remains 84 /88 variables (removed 4) and now considering 94/98 (removed 4) transitions.
// Phase 1: matrix 94 rows 84 cols
[2025-06-01 20:34:30] [INFO ] Computed 20 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:30] [INFO ] Implicit Places using invariants in 84 ms returned []
[2025-06-01 20:34:30] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-01 20:34:30] [INFO ] State equation strengthened by 67 read => feed constraints.
[2025-06-01 20:34:30] [INFO ] Implicit Places using invariants and state equation in 212 ms returned []
Implicit Place search using SMT with State Equation took 322 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 3 : 84/231 places, 94/202 transitions.
Finished structural reductions in LIVENESS mode , in 3 iterations and 1134 ms. Remains : 84/231 places, 94/202 transitions.
Net is quasi-live, checking if it is reversible to establish liveness.
[2025-06-01 20:34:30] [INFO ] Flatten gal took : 8 ms
[2025-06-01 20:34:31] [INFO ] Flatten gal took : 18 ms
[2025-06-01 20:34:31] [INFO ] Time to serialize gal into /tmp/CTLFireability13395378250805031117.gal : 3 ms
[2025-06-01 20:34:31] [INFO ] Time to serialize properties into /tmp/CTLFireability4263457030071355091.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13395378250805031117.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability4263457030071355091.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,36112,0.138015,6364,2,1900,5,11137,6,0,433,9315,0


Converting to forward existential form...Done !
original formula: AG(EF(((((((((ch_DC_full==1)&&(ch_DC_free==0))&&((ch_CF_free==0)&&(ch_CF_full==1)))&&(((ch_A1P_free==1)&&(ch_TA1_full==0))&&((ch_A2D_full...1917
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U ((((((((ch_DC_full==1)&&(ch_DC_free==0))&&((ch_CF_free==0)&&(ch_CF_full==1)))&&((...1977
Reverse transition relation is NOT exact ! Due to transitions deposit_belt_lock_input_area.deposit_belt_lock_output_area.DB_trans_Pstart, feed_belt_lock_in...1645
(forward)formula 0,1,1.0633,39004,1,0,289,212706,209,162,2811,141527,361
Formula is TRUE !

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

Able to resolve query Liveness after proving 1 properties.
FORMULA Liveness TRUE TECHNIQUES RANDOM_WALK DECISION_DIAGRAMS TOPOLOGICAL QUASI_LIVE_REVERSIBLE INITIAL_STATE
Total runtime 187788 ms.

BK_STOP 1748810072158

--------------------
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
+ [[ Liveness = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination Liveness -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 1800

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="ParamProductionCell-PT-3"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ParamProductionCell-PT-3, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r147-tall-174876819600239"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ParamProductionCell-PT-3.tgz
mv ParamProductionCell-PT-3 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "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 [ "Liveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "Liveness" != "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 "Liveness.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 '' Liveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] ; then
echo "FORMULA_NAME Liveness"
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 ;