Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r142-tall-174876813100717.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is PGCD-PT-D02N100, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876813100717
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 428K
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 129K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 65K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 5.6K 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 positive values
NUM_VECTOR

echo here is the order used to build the result vector(from xml file)
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-00
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-01
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-02
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-03
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-04
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-05
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-06
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-07
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-08
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-09
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-10
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-11
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-12
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-13
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-14
FORMULA_NAME PGCD-PT-D02N100-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748977090062

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PGCD-PT-D02N100
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-03 18:58:11] [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]
[2025-06-03 18:58:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 18:58:11] [INFO ] Load time of PNML (sax parser for PT used): 27 ms
[2025-06-03 18:58:11] [INFO ] Transformed 9 places.
[2025-06-03 18:58:11] [INFO ] Transformed 9 transitions.
[2025-06-03 18:58:11] [INFO ] Parsed PT model containing 9 places and 9 transitions and 42 arcs in 108 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Reduction of identical properties reduced properties to check from 16 to 8
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 1, 1, 1, 100, 100, 100] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 1, 1, 1, 100, 100, 100] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 9 rows 9 cols
[2025-06-03 18:58:11] [INFO ] Computed 4 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 1, 1, 1, 100, 100, 100] Max Struct:[303, 303, 303, 303, 303, 303, 303, 303]
RANDOM walk for 10086 steps (2 resets) in 10 ms. (916 steps per ms)
BEST_FIRST walk for 80004 steps (16 resets) in 91 ms. (869 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[139, 117, 121, 117, 139, 201, 201, 201] Max Struct:[303, 303, 303, 303, 303, 303, 303, 303]
[2025-06-03 18:58:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using 2 positive place invariants in 4 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 5 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-03 18:58:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-03 18:58:11] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:58:11] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:11] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 18:58:11] [INFO ] Added : 0 causal constraints over 0 iterations in 16 ms. Result :sat
Minimization took 19 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 18:58:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2025-06-03 18:58:11] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 18:58:11] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 20 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 18:58:11] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 18:58:11] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 18:58:11] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:11] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-03 18:58:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 18:58:12] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:12] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-03 18:58:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:12] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 14 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 18:58:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:12] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 13 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:58:12] [INFO ] Deduced a trap composed of 3 places in 39 ms of which 4 ms to minimize.
[2025-06-03 18:58:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2025-06-03 18:58:12] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-03 18:58:12] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 12 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:12] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 3 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-03 18:58:12] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:58:12] [INFO ] Deduced a trap composed of 3 places in 32 ms of which 2 ms to minimize.
[2025-06-03 18:58:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2025-06-03 18:58:12] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:12] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[139, 117, 121, 117, 139, 201, 201, 201] Max Struct:[303, 303, 303, 303, 303, 303, 303, 303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[300, 301, 299, 301, 300, 299, 297, 299] Max Struct:[303, 303, 303, 303, 303, 303, 303, 303]
Support contains 8 out of 9 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 7 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
[2025-06-03 18:58:12] [INFO ] Invariant cache hit.
[2025-06-03 18:58:12] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/18 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 18/18 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 3/9 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/9 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/18 variables, 9/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/18 variables, 3/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/18 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/18 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 18/18 variables, and 19 constraints, problems are : Problem set: 0 solved, 3 unsolved in 60 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 2/2 constraints, State Equation: 9/9 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 158ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 164ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 180 ms. Remains : 9/9 places, 9/9 transitions.
[2025-06-03 18:58:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[300, 301, 299, 301, 300, 299, 297, 299] Max Struct:[303, 303, 303, 303, 303, 303, 303, 303]
RANDOM walk for 1000030 steps (2 resets) in 161 ms. (6173 steps per ms)
BEST_FIRST walk for 8000008 steps (16 resets) in 2008 ms. (3982 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[300, 301, 299, 301, 300, 299, 297, 299] Max Struct:[303, 303, 303, 303, 303, 303, 303, 303]
[2025-06-03 18:58:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:58:15] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:15] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 8 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-03 18:58:15] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 14 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:15] [INFO ] Added : 0 causal constraints over 0 iterations in 2 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:15] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Added 3 Read/Feed constraints in 3 ms returned sat
[2025-06-03 18:58:15] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:15] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:15] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:15] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:15] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[300, 301, 299, 301, 300, 299, 297, 299] Max Struct:[303, 301, 303, 301, 303, 303, 303, 303]
FORMULA PGCD-PT-D02N100-UpperBounds-12 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-05 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-04 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-09 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-10 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-01 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[301, 301, 301, 299, 297, 299] Max Struct:[303, 303, 303, 303, 303, 303]
Support contains 6 out of 9 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 9/9 places, 9/9 transitions.
[2025-06-03 18:58:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[301, 301, 301, 299, 297, 299] Max Struct:[303, 303, 303, 303, 303, 303]
RANDOM walk for 1000039 steps (2 resets) in 123 ms. (8064 steps per ms)
BEST_FIRST walk for 6000005 steps (12 resets) in 1361 ms. (4405 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[301, 301, 301, 299, 297, 299] Max Struct:[303, 303, 303, 303, 303, 303]
[2025-06-03 18:58:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 2 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using state equation in 5 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using state equation in 5 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using state equation in 4 ms returned unsat
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:17] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:58:17] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:17] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:17] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:17] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:17] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:17] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-03 18:58:17] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[301, 301, 301, 299, 297, 299] Max Struct:[301, 301, 301, 303, 303, 303]
FORMULA PGCD-PT-D02N100-UpperBounds-14 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-06 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-02 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-03 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
FORMULA PGCD-PT-D02N100-UpperBounds-00 301 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[299, 297, 299] Max Struct:[303, 303, 303]
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 9/9 places, 9/9 transitions.
[2025-06-03 18:58:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[299, 297, 299] Max Struct:[303, 303, 303]
RANDOM walk for 1000100 steps (2 resets) in 117 ms. (8475 steps per ms)
BEST_FIRST walk for 3000001 steps (6 resets) in 646 ms. (4636 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[299, 297, 299] Max Struct:[303, 303, 303]
[2025-06-03 18:58:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-03 18:58:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:18] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:58:18] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:18] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:18] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using 2 positive and 2 generalized place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:18] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using 2 positive and 2 generalized place invariants in 0 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:18] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:18] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:18] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[299, 297, 299] Max Struct:[303, 303, 303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[299, 299, 299] Max Struct:[303, 303, 303]
Support contains 3 out of 9 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 9/9 places, 9/9 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 9/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 9 /9 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-03 18:58:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:58:18] [INFO ] Implicit Places using invariants in 35 ms returned [6, 7, 8]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 38 ms to find 3 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 6/9 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 40 ms. Remains : 6/9 places, 9/9 transitions.
// Phase 1: matrix 9 rows 6 cols
[2025-06-03 18:58:18] [INFO ] Computed 1 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[299, 299, 299] Max Struct:[303, 303, 303]
RANDOM walk for 1000081 steps (2 resets) in 97 ms. (10204 steps per ms)
BEST_FIRST walk for 3000003 steps (6 resets) in 556 ms. (5386 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[299, 299, 299] Max Struct:[303, 303, 303]
[2025-06-03 18:58:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:19] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:58:19] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:58:19] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
[2025-06-03 18:58:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2025-06-03 18:58:19] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 18:58:19] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:19] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Nat]Added 3 Read/Feed constraints in 2 ms returned sat
[2025-06-03 18:58:19] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:19] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2025-06-03 18:58:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:58:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:58:19] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:58:19] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:58:19] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[299, 299, 299] Max Struct:[303, 303, 303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[299, 299, 299] Max Struct:[303, 303, 303]
Support contains 3 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-03 18:58:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:58:19] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 18:58:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:58:19] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:58:19] [INFO ] Implicit Places using invariants and state equation in 17 ms returned []
Implicit Place search using SMT with State Equation took 36 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 18:58:19] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 18:58:19] [INFO ] Invariant cache hit.
[2025-06-03 18:58:19] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 36 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 43 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 85ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 125 ms. Remains : 6/6 places, 9/9 transitions.
RANDOM walk for 40249 steps (8 resets) in 96 ms. (414 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 223 ms. (178 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 129 ms. (307 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 106 ms. (373 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 110 ms. (360 steps per ms) remains 6/6 properties
[2025-06-03 18:58:20] [INFO ] Flatten gal took : 12 ms
[2025-06-03 18:58:20] [INFO ] Flatten gal took : 2 ms
[2025-06-03 18:58:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12801253847911559250.gal : 3 ms
[2025-06-03 18:58:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4132061987951011080.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/ReachabilityCardinality12801253847911559250.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4132061987951011080.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
BEST_FIRST walk for 40003 steps (8 resets) in 110 ms. (360 steps per ms) remains 6/6 properties
Loading property file /tmp/ReachabilityCardinality4132061987951011080.prop.
SDD proceeding with computation,6 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,6 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,6 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,6 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :36 after 69
BEST_FIRST walk for 40003 steps (8 resets) in 77 ms. (512 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :69 after 64974
SDD proceeding with computation,6 properties remain. new max is 256
SDD size :64974 after 348281
SDD proceeding with computation,6 properties remain. new max is 512
SDD size :5.40213e+07 after 5.40483e+07
Interrupted probabilistic random walk after 514420 steps, run timeout after 3001 ms. (steps per millisecond=171 ) properties seen :0 out of 6
Probabilistic random walk after 514420 steps, saw 271480 distinct states, run finished after 3004 ms. (steps per millisecond=171 ) properties seen :0
[2025-06-03 18:58:23] [INFO ] Invariant cache hit.
[2025-06-03 18:58:23] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,6 properties remain. new max is 1024
SDD size :2.58862e+08 after 2.58895e+08
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:58:23] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/11 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/11 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 11 constraints, problems are : Problem set: 3 solved, 3 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/11 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 3/14 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/14 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/15 variables, 0/14 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 14 constraints, problems are : Problem set: 3 solved, 3 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 3 solved, 3 unsolved
Parikh walk visited 0 properties in 1128 ms.
Support contains 3 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
[2025-06-03 18:58:24] [INFO ] Invariant cache hit.
[2025-06-03 18:58:24] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 98ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 6/6 places, 9/9 transitions.
RANDOM walk for 40180 steps (8 resets) in 28 ms. (1385 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 76 ms. (519 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 59 ms. (666 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 52 ms. (754 steps per ms) remains 3/3 properties
SDD proceeding with computation,6 properties remain. new max is 2048
SDD size :6.8649e+08 after 6.8651e+08
Interrupted probabilistic random walk after 548850 steps, run timeout after 3001 ms. (steps per millisecond=182 ) properties seen :0 out of 3
Probabilistic random walk after 548850 steps, saw 287584 distinct states, run finished after 3001 ms. (steps per millisecond=182 ) properties seen :0
[2025-06-03 18:58:27] [INFO ] Invariant cache hit.
[2025-06-03 18:58:27] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:58:27] [INFO ] Deduced a trap composed of 3 places in 23 ms of which 1 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 11 constraints, problems are : Problem set: 0 solved, 3 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/15 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 14 constraints, problems are : Problem set: 0 solved, 3 unsolved in 50 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 1361 ms.
Support contains 3 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-03 18:58:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:58:29] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 18:58:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:58:29] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:58:29] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 18:58:29] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 18:58:29] [INFO ] Invariant cache hit.
[2025-06-03 18:58:29] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 118ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 119ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 169 ms. Remains : 6/6 places, 9/9 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 18:58:29] [INFO ] Flatten gal took : 2 ms
[2025-06-03 18:58:29] [INFO ] Applying decomposition
[2025-06-03 18:58:29] [INFO ] Flatten gal took : 2 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/graph968065316594498928.txt' '-o' '/tmp/graph968065316594498928.bin' '-w' '/tmp/graph968065316594498928.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph968065316594498928.bin' '-l' '-1' '-v' '-w' '/tmp/graph968065316594498928.weights' '-q' '0' '-e' '0.001'
[2025-06-03 18:58:29] [INFO ] Decomposing Gal with order
[2025-06-03 18:58:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 18:58:29] [INFO ] Flatten gal took : 27 ms
[2025-06-03 18:58:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-03 18:58:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15141111027069487009.gal : 1 ms
[2025-06-03 18:58:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9236562290744089052.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/ReachabilityCardinality15141111027069487009.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9236562290744089052.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/ReachabilityCardinality9236562290744089052.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :69 after 3434
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :3434 after 4.24321e+06
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :1.08138e+08 after 1.08908e+08
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :2.6689e+08 after 2.67729e+08
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :2.52144e+09 after 2.52316e+09
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[299, 299, 299] Max Struct:[303, 303, 303]
Starting property specific reduction for PGCD-PT-D02N100-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[100] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[100] Max Struct:[303]
Current structural bounds on expressions (Before main loop) : Max Seen:[100] Max Struct:[303]
[2025-06-03 18:59:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[100] Max Struct:[303]
RANDOM walk for 10088 steps (2 resets) in 2 ms. (3362 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201] Max Struct:[303]
[2025-06-03 18:59:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:59:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:19] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-03 18:59:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:59:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:19] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:59:19] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:19] [INFO ] [Nat]Added 3 Read/Feed constraints in 13 ms returned sat
[2025-06-03 18:59:19] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:59:19] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 15 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[296] Max Struct:[303]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:19] [INFO ] Invariant cache hit.
[2025-06-03 18:59:19] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 41 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 115ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 116 ms. Remains : 6/6 places, 9/9 transitions.
[2025-06-03 18:59:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[296] Max Struct:[303]
RANDOM walk for 1000052 steps (2 resets) in 96 ms. (10309 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 194 ms. (5128 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[296] Max Struct:[303]
[2025-06-03 18:59:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:59:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:19] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:59:19] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:59:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:20] [INFO ] [Nat]Absence check using state equation in 2 ms returned sat
[2025-06-03 18:59:20] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:20] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:59:20] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:59:20] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 7 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[296] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[296] Max Struct:[303]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-03 18:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:20] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-03 18:59:20] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:20] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:20] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 18:59:20] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:20] [INFO ] Invariant cache hit.
[2025-06-03 18:59:20] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 108ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 108ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 160 ms. Remains : 6/6 places, 9/9 transitions.
[2025-06-03 18:59:20] [INFO ] Flatten gal took : 1 ms
[2025-06-03 18:59:20] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 40262 steps (8 resets) in 19 ms. (2013 steps per ms) remains 2/2 properties
[2025-06-03 18:59:20] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9136081947093621349.gal : 1 ms
[2025-06-03 18:59:20] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5937972507903569867.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/ReachabilityCardinality9136081947093621349.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5937972507903569867.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality5937972507903569867.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 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
BEST_FIRST walk for 40003 steps (8 resets) in 129 ms. (307 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 71 ms. (555 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 64974
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :64974 after 348281
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :5.40213e+07 after 5.40483e+07
Interrupted probabilistic random walk after 3707925 steps, run timeout after 3001 ms. (steps per millisecond=1235 ) properties seen :1 out of 2
Probabilistic random walk after 3707925 steps, saw 1800580 distinct states, run finished after 3001 ms. (steps per millisecond=1235 ) properties seen :1
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
[2025-06-03 18:59:23] [INFO ] State equation strengthened by 3 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, 1 unsolved
SDD proceeding with computation,2 properties remain. new max is 1024
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD size :2.58862e+08 after 2.58895e+08
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:59:23] [INFO ] Deduced a trap composed of 3 places in 33 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 6/15 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/6 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 72ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[296] Max Struct:[303]
Ending property specific reduction for PGCD-PT-D02N100-UpperBounds-07 in 3964 ms.
Starting property specific reduction for PGCD-PT-D02N100-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[100] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[100] Max Struct:[303]
Current structural bounds on expressions (Before main loop) : Max Seen:[100] Max Struct:[303]
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[100] Max Struct:[303]
RANDOM walk for 10085 steps (2 resets) in 3 ms. (2521 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201] Max Struct:[303]
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:59:23] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:59:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:59:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:23] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:59:23] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 0 ms returned sat
[2025-06-03 18:59:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-03 18:59:23] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 12 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[297] Max Struct:[303]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
[2025-06-03 18:59:23] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 37 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 107ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 107ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 108 ms. Remains : 6/6 places, 9/9 transitions.
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[297] Max Struct:[303]
RANDOM walk for 1000063 steps (2 resets) in 91 ms. (10870 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 195 ms. (5102 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[297] Max Struct:[303]
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:59:23] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 18:59:23] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:59:23] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:59:23] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-03 18:59:23] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2025-06-03 18:59:23] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:23] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:59:23] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:59:23] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[297] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[297] Max Struct:[303]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:23] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 18:59:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:24] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:24] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 18:59:24] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:24] [INFO ] Invariant cache hit.
[2025-06-03 18:59:24] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 35 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 85ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 85ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 133 ms. Remains : 6/6 places, 9/9 transitions.
[2025-06-03 18:59:24] [INFO ] Flatten gal took : 1 ms
RANDOM walk for 40209 steps (8 resets) in 8 ms. (4467 steps per ms) remains 2/2 properties
[2025-06-03 18:59:24] [INFO ] Flatten gal took : 9 ms
[2025-06-03 18:59:24] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1513675313942988578.gal : 1 ms
BEST_FIRST walk for 40004 steps (8 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
[2025-06-03 18:59:24] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7684321867277730857.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/ReachabilityCardinality1513675313942988578.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7684321867277730857.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7684321867277730857.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 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 64974
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :64974 after 348281
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :5.40213e+07 after 5.40483e+07
Interrupted probabilistic random walk after 3849440 steps, run timeout after 3001 ms. (steps per millisecond=1282 ) properties seen :1 out of 2
Probabilistic random walk after 3849440 steps, saw 1870732 distinct states, run finished after 3001 ms. (steps per millisecond=1282 ) properties seen :1
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
[2025-06-03 18:59:27] [INFO ] State equation strengthened by 3 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:59:27] [INFO ] Deduced a trap composed of 3 places in 24 ms of which 1 ms to minimize.
Problem MAX0 is UNSAT
After SMT solving in domain Real declared 6/15 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 0/6 constraints, ReadFeed: 0/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 56ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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:[297] Max Struct:[303]
Ending property specific reduction for PGCD-PT-D02N100-UpperBounds-08 in 3821 ms.
Starting property specific reduction for PGCD-PT-D02N100-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[100] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[100] Max Struct:[303]
Current structural bounds on expressions (Before main loop) : Max Seen:[100] Max Struct:[303]
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[100] Max Struct:[303]
RANDOM walk for 10076 steps (2 resets) in 2 ms. (3358 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 3 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201] Max Struct:[303]
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:59:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:27] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:59:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 18:59:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:27] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 18:59:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:27] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:59:27] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 18:59:27] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[299] Max Struct:[303]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
[2025-06-03 18:59:27] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 49 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 47 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 98ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 99ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 99 ms. Remains : 6/6 places, 9/9 transitions.
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[299] Max Struct:[303]
RANDOM walk for 1000097 steps (2 resets) in 93 ms. (10639 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 249 ms. (4000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[299] Max Struct:[303]
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:59:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:27] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-03 18:59:27] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 18:59:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 18:59:27] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 18:59:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:27] [INFO ] [Nat]Added 3 Read/Feed constraints in 1 ms returned sat
[2025-06-03 18:59:27] [INFO ] Computed and/alt/rep : 3/6/3 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-03 18:59:27] [INFO ] Added : 1 causal constraints over 1 iterations in 3 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[299] Max Struct:[303]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[299] Max Struct:[303]
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:27] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:27] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:27] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 18:59:27] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:27] [INFO ] Invariant cache hit.
[2025-06-03 18:59:27] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 34 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 81ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 83ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 132 ms. Remains : 6/6 places, 9/9 transitions.
[2025-06-03 18:59:27] [INFO ] Flatten gal took : 1 ms
[2025-06-03 18:59:27] [INFO ] Flatten gal took : 1 ms
[2025-06-03 18:59:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3416045538954141441.gal : 0 ms
[2025-06-03 18:59:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13488614726920383006.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/ReachabilityCardinality3416045538954141441.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13488614726920383006.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40160 steps (8 resets) in 17 ms. (2231 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
Loading property file /tmp/ReachabilityCardinality13488614726920383006.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 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :36 after 69
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40002 steps (8 resets) in 24 ms. (1600 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 64974
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :64974 after 348281
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :5.40213e+07 after 5.40483e+07
Interrupted probabilistic random walk after 1632879 steps, run timeout after 3001 ms. (steps per millisecond=544 ) properties seen :0 out of 2
Probabilistic random walk after 1632879 steps, saw 828263 distinct states, run finished after 3001 ms. (steps per millisecond=544 ) properties seen :0
[2025-06-03 18:59:30] [INFO ] Invariant cache hit.
[2025-06-03 18:59:30] [INFO ] State equation strengthened by 3 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :2.58862e+08 after 2.58895e+08
[2025-06-03 18:59:31] [INFO ] Deduced a trap composed of 3 places in 29 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 11 constraints, problems are : Problem set: 1 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/11 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/15 variables, 0/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 12 constraints, problems are : Problem set: 1 solved, 1 unsolved in 109 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 182ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 20 ms.
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:31] [INFO ] Invariant cache hit.
[2025-06-03 18:59:31] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 135ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 136ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 136 ms. Remains : 6/6 places, 9/9 transitions.
RANDOM walk for 40201 steps (8 resets) in 8 ms. (4466 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 13 ms. (2857 steps per ms) remains 1/1 properties
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :6.8649e+08 after 6.8651e+08
Interrupted probabilistic random walk after 4092827 steps, run timeout after 3001 ms. (steps per millisecond=1363 ) properties seen :0 out of 1
Probabilistic random walk after 4092827 steps, saw 1985617 distinct states, run finished after 3001 ms. (steps per millisecond=1363 ) properties seen :0
[2025-06-03 18:59:34] [INFO ] Invariant cache hit.
[2025-06-03 18:59:34] [INFO ] State equation strengthened by 3 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, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 18:59:34] [INFO ] Deduced a trap composed of 3 places in 22 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 1/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 11 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/6 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 9/15 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/15 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 12 constraints, problems are : Problem set: 0 solved, 1 unsolved in 29 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 115ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 186 ms.
Support contains 1 out of 6 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 6/6 places, 9/9 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 6/6 places, 9/9 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 9/9 (removed 0) transitions.
[2025-06-03 18:59:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:34] [INFO ] Implicit Places using invariants in 15 ms returned []
[2025-06-03 18:59:34] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 18:59:34] [INFO ] State equation strengthened by 3 read => feed constraints.
[2025-06-03 18:59:34] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 40 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 18:59:34] [INFO ] Redundant transitions in 0 ms returned []
Running 3 sub problems to find dead transitions.
[2025-06-03 18:59:34] [INFO ] Invariant cache hit.
[2025-06-03 18:59:34] [INFO ] State equation strengthened by 3 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/15 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 15/15 variables, and 10 constraints, problems are : Problem set: 0 solved, 3 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 3/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 9/15 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 3/10 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/15 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/15 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 15/15 variables, and 13 constraints, problems are : Problem set: 0 solved, 3 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 6/6 constraints, ReadFeed: 3/3 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 125ms problems are : Problem set: 0 solved, 3 unsolved
Search for dead transitions found 0 dead transitions in 125ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 169 ms. Remains : 6/6 places, 9/9 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 18:59:34] [INFO ] Flatten gal took : 1 ms
[2025-06-03 18:59:34] [INFO ] Applying decomposition
[2025-06-03 18:59:34] [INFO ] Flatten gal took : 1 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/graph12064488300224670770.txt' '-o' '/tmp/graph12064488300224670770.bin' '-w' '/tmp/graph12064488300224670770.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12064488300224670770.bin' '-l' '-1' '-v' '-w' '/tmp/graph12064488300224670770.weights' '-q' '0' '-e' '0.001'
[2025-06-03 18:59:34] [INFO ] Decomposing Gal with order
[2025-06-03 18:59:34] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 18:59:34] [INFO ] Flatten gal took : 1 ms
[2025-06-03 18:59:34] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-03 18:59:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality17777022212716223333.gal : 0 ms
[2025-06-03 18:59:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8077130540919258204.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/ReachabilityCardinality17777022212716223333.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8077130540919258204.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/ReachabilityCardinality8077130540919258204.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :10 after 19
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :19 after 36
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :36 after 69
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :69 after 3434
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :3434 after 4.24321e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.08138e+08 after 1.08908e+08
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.08908e+08 after 1.08908e+08
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :2.67621e+08 after 2.68488e+08
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2.52224e+09 after 2.52324e+09
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[299] Max Struct:[303]
Ending property specific reduction for PGCD-PT-D02N100-UpperBounds-15 in 57675 ms.
[2025-06-03 19:00:24] [INFO ] Flatten gal took : 2 ms
[2025-06-03 19:00:24] [INFO ] Applying decomposition
[2025-06-03 19:00:24] [INFO ] Flatten gal took : 1 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/graph9910244726320051589.txt' '-o' '/tmp/graph9910244726320051589.bin' '-w' '/tmp/graph9910244726320051589.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph9910244726320051589.bin' '-l' '-1' '-v' '-w' '/tmp/graph9910244726320051589.weights' '-q' '0' '-e' '0.001'
[2025-06-03 19:00:24] [INFO ] Decomposing Gal with order
[2025-06-03 19:00:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 19:00:24] [INFO ] Flatten gal took : 1 ms
[2025-06-03 19:00:24] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-03 19:00:24] [INFO ] Time to serialize gal into /tmp/UpperBounds7783068735382265258.gal : 0 ms
[2025-06-03 19:00:24] [INFO ] Time to serialize properties into /tmp/UpperBounds8680291520985084309.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/UpperBounds7783068735382265258.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds8680291520985084309.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 ...283
Loading property file /tmp/UpperBounds8680291520985084309.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,5.58817e+09,504.734,1333664,1639,1046,236916,140543,26,419306,19,456062,0
Total reachable state count : 5588167526

Verifying 3 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 299
Bounds property PGCD-PT-D02N100-UpperBounds-07 :0 <= u2.p1_3 <= 299
FORMULA PGCD-PT-D02N100-UpperBounds-11 299 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
FORMULA PGCD-PT-D02N100-UpperBounds-13 299 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
FORMULA PGCD-PT-D02N100-UpperBounds-07 299 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
PGCD-PT-D02N100-UpperBounds-07,0,634.103,2850204,1,0,2.17372e+06,1.95088e+06,44,3.64819e+06,326,4.39966e+06,1661
Min sum of variable value : 0
Maximum sum along a path : 299
Bounds property PGCD-PT-D02N100-UpperBounds-08 :0 <= u0.p1_1 <= 299
FORMULA PGCD-PT-D02N100-UpperBounds-08 299 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
PGCD-PT-D02N100-UpperBounds-08,0,659.799,2852892,1,0,2.17372e+06,1.95088e+06,37,3.64819e+06,325,4.39966e+06,23
Min sum of variable value : 0
Maximum sum along a path : 299
Bounds property PGCD-PT-D02N100-UpperBounds-15 :0 <= u1.p1_2 <= 299
FORMULA PGCD-PT-D02N100-UpperBounds-15 299 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
PGCD-PT-D02N100-UpperBounds-15,0,662.157,2852892,1,0,2.17372e+06,1.95088e+06,44,3.64819e+06,325,4.39966e+06,774
Total runtime 796456 ms.

BK_STOP 1748977887761

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PGCD-PT-D02N100"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is PGCD-PT-D02N100, 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 r142-tall-174876813100717"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D02N100.tgz
mv PGCD-PT-D02N100 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 ;