About the Execution of ITS-Tools for PGCD-PT-D04N025
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r142-tall-174876813200733.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is PGCD-PT-D04N025, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r142-tall-174876813200733
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 8.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 94K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.7K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K 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 25K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K 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 13K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 134K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K 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 9.3K 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-D04N025-UpperBounds-00
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-01
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-02
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-03
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-04
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-05
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-06
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-07
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-08
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-09
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-10
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-11
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-12
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-13
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-14
FORMULA_NAME PGCD-PT-D04N025-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1748981517762
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-D04N025
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-03 20:11:58] [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 20:11:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 20:11:59] [INFO ] Load time of PNML (sax parser for PT used): 30 ms
[2025-06-03 20:11:59] [INFO ] Transformed 15 places.
[2025-06-03 20:11:59] [INFO ] Transformed 15 transitions.
[2025-06-03 20:11:59] [INFO ] Parsed PT model containing 15 places and 15 transitions and 70 arcs in 117 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduction of identical properties reduced properties to check from 16 to 10
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 25, 1, 1, 25, 1, 1, 25, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 25, 1, 1, 25, 1, 1, 25, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
// Phase 1: matrix 15 rows 15 cols
[2025-06-03 20:11:59] [INFO ] Computed 6 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 25, 1, 1, 25, 1, 1, 25, 1] Max Struct:[130, 130, 130, 130, 130, 130, 130, 130, 130, 130]
RANDOM walk for 10000 steps (2 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 100007 steps (20 resets) in 97 ms. (1020 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[68, 84, 104, 74, 84, 104, 72, 64, 102, 72] Max Struct:[130, 130, 130, 130, 130, 130, 130, 130, 130, 130]
[2025-06-03 20:11:59] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive place invariants in 3 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 4 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2025-06-03 20:11:59] [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 20:11:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 20:11:59] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:11:59] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:11:59] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:11:59] [INFO ] Added : 0 causal constraints over 0 iterations in 15 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using state equation in 7 ms returned sat
[2025-06-03 20:11:59] [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 20:11:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 2 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Added 5 Read/Feed constraints in 3 ms returned sat
[2025-06-03 20:11:59] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:11:59] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-03 20:11:59] [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 20:11:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:11:59] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:11:59] [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 20:11:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:11:59] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive place invariants in 0 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:11:59] [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 20:11:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:11:59] [INFO ] Added : 0 causal constraints over 0 iterations in 3 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:11:59] [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 20:11:59] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:11:59] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 20:11:59] [INFO ] Deduced a trap composed of 5 places in 35 ms of which 4 ms to minimize.
[2025-06-03 20:12:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 44 ms
[2025-06-03 20:12:00] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:12:00] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 8 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:00] [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 20:12:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:12:00] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:12:00] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 10 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:00] [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 20:12:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 3 ms.
[2025-06-03 20:12:00] [INFO ] Added : 0 causal constraints over 0 iterations in 6 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:12:00] [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 20:12:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:12:00] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 6 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:00] [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 20:12:00] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 0 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:00] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:00] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:12:00] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[68, 84, 104, 74, 84, 104, 72, 64, 102, 72] Max Struct:[130, 130, 130, 130, 130, 130, 130, 130, 130, 130]
FORMULA PGCD-PT-D04N025-UpperBounds-15 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D04N025-UpperBounds-08 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D04N025-UpperBounds-06 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D04N025-UpperBounds-05 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D04N025-UpperBounds-01 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D04N025-UpperBounds-11 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D04N025-UpperBounds-12 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA PGCD-PT-D04N025-UpperBounds-03 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 7 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:12:00] [INFO ] Invariant cache hit.
[2025-06-03 20:12:00] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/30 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 30/30 variables, and 26 constraints, problems are : Problem set: 0 solved, 5 unsolved in 449 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/10 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (OVERLAPS) 5/15 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 15/30 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/30 variables, 5/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/30 variables, 5/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 0/30 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 30/30 variables, and 31 constraints, problems are : Problem set: 0 solved, 5 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 553ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 558ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 573 ms. Remains : 15/15 places, 15/15 transitions.
[2025-06-03 20:12:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
RANDOM walk for 1000021 steps (2 resets) in 247 ms. (4032 steps per ms)
BEST_FIRST walk for 5000003 steps (683 resets) in 1805 ms. (2768 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
[2025-06-03 20:12:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2025-06-03 20:12:03] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:12:03] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:03] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 9 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:12:03] [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 20:12:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:03] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:03] [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 20:12:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 8 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:03] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 16 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-03 20:12:03] [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 20:12:03] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:03] [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 20:12:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Absence check using 2 positive and 4 generalized place invariants in 1 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:03] [INFO ] [Nat]Added 5 Read/Feed constraints in 0 ms returned sat
[2025-06-03 20:12:03] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 0 ms.
[2025-06-03 20:12:03] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
Support contains 5 out of 15 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 15/15 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 15/15 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 15 /15 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:12:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:12:03] [INFO ] Implicit Places using invariants in 43 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 49 ms to find 5 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 10/15 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 51 ms. Remains : 10/15 places, 15/15 transitions.
// Phase 1: matrix 15 rows 10 cols
[2025-06-03 20:12:03] [INFO ] Computed 1 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
RANDOM walk for 1000035 steps (2 resets) in 154 ms. (6451 steps per ms)
BEST_FIRST walk for 5000002 steps (687 resets) in 1151 ms. (4340 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
[2025-06-03 20:12:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:12:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:12:05] [INFO ] [Real]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:12:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:05] [INFO ] Added : 0 causal constraints over 0 iterations in 4 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 20:12:05] [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 20:12:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:05] [INFO ] Added : 1 causal constraints over 1 iterations in 8 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:05] [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 20:12:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:05] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 2 ms.
[2025-06-03 20:12:05] [INFO ] Added : 0 causal constraints over 0 iterations in 5 ms. Result :sat
Minimization took 7 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:05] [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 20:12:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 20:12:05] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 2 ms to minimize.
[2025-06-03 20:12:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2025-06-03 20:12:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:05] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[129, 126, 128, 129, 128] Max Struct:[130, 130, 130, 130, 130]
FORMULA PGCD-PT-D04N025-UpperBounds-10 130 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[129, 128, 128, 128] Max Struct:[130, 130, 130, 130]
Support contains 4 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:12:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[129, 128, 128, 128] Max Struct:[130, 130, 130, 130]
RANDOM walk for 1000031 steps (2 resets) in 147 ms. (6756 steps per ms)
BEST_FIRST walk for 4000003 steps (669 resets) in 916 ms. (4362 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[129, 128, 128, 128] Max Struct:[130, 130, 130, 130]
[2025-06-03 20:12:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2025-06-03 20:12:06] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:12:06] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:06] [INFO ] Added : 0 causal constraints over 0 iterations in 10 ms. Result :sat
Minimization took 15 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:12:06] [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 20:12:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:06] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 5 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:06] [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 20:12:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:06] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2025-06-03 20:12:06] [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 20:12:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:12:06] [INFO ] [Nat]Added 5 Read/Feed constraints in 0 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 20:12:06] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 2 ms to minimize.
[2025-06-03 20:12:06] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2025-06-03 20:12:06] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:06] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[129, 128, 128, 128] Max Struct:[130, 130, 130, 130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[130, 128, 128, 128] Max Struct:[130, 130, 130, 130]
Support contains 4 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:12:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:12:07] [INFO ] Implicit Places using invariants in 24 ms returned []
[2025-06-03 20:12:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:12:07] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:12:07] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:12:07] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:12:07] [INFO ] Invariant cache hit.
[2025-06-03 20:12:07] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 56 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 144ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 145ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 204 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:12:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[130, 128, 128, 128] Max Struct:[130, 130, 130, 130]
FORMULA PGCD-PT-D04N025-UpperBounds-04 130 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PGCD-PT-D04N025-UpperBounds-00 130 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000009 steps (3 resets) in 141 ms. (7042 steps per ms)
BEST_FIRST walk for 3000002 steps (679 resets) in 697 ms. (4297 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128, 128, 128] Max Struct:[130, 130, 130]
[2025-06-03 20:12:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:08] [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 20:12:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:08] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:12:08] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:12:08] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:08] [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 20:12:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:12:08] [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 20:12:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:12:08] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:08] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Minimization took 4 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:12:08] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:12:08] [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 20:12:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:12:08] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 20:12:08] [INFO ] Deduced a trap composed of 5 places in 33 ms of which 2 ms to minimize.
[2025-06-03 20:12:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2025-06-03 20:12:08] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:12:08] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128, 128, 128] Max Struct:[130, 130, 130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128, 128, 128] Max Struct:[130, 130, 130]
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:12:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:12:08] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-03 20:12:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:12:08] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:12:08] [INFO ] Implicit Places using invariants and state equation in 24 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 20:12:08] [INFO ] Redundant transitions in 1 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:12:08] [INFO ] Invariant cache hit.
[2025-06-03 20:12:08] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 62 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 121ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 174 ms. Remains : 10/10 places, 15/15 transitions.
RANDOM walk for 40040 steps (8 resets) in 186 ms. (214 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (10 resets) in 226 ms. (176 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (10 resets) in 206 ms. (193 steps per ms) remains 6/6 properties
[2025-06-03 20:12:08] [INFO ] Flatten gal took : 31 ms
[2025-06-03 20:12:08] [INFO ] Flatten gal took : 2 ms
BEST_FIRST walk for 40004 steps (11 resets) in 228 ms. (174 steps per ms) remains 6/6 properties
[2025-06-03 20:12:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality18014344419136071709.gal : 7 ms
[2025-06-03 20:12:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2662531478698679395.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/ReachabilityCardinality18014344419136071709.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2662531478698679395.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality2662531478698679395.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 1651
BEST_FIRST walk for 40004 steps (10 resets) in 203 ms. (196 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 64
SDD size :1651 after 6479
BEST_FIRST walk for 40003 steps (10 resets) in 107 ms. (370 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 97 ms. (408 steps per ms) remains 6/6 properties
SDD proceeding with computation,6 properties remain. new max is 128
SDD size :6479 after 2.44742e+06
Interrupted probabilistic random walk after 368163 steps, run timeout after 3001 ms. (steps per millisecond=122 ) properties seen :0 out of 6
Probabilistic random walk after 368163 steps, saw 218580 distinct states, run finished after 3005 ms. (steps per millisecond=122 ) properties seen :0
[2025-06-03 20:12:11] [INFO ] Invariant cache hit.
[2025-06-03 20:12:11] [INFO ] State equation strengthened by 5 read => feed constraints.
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: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 7/10 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 20:12:11] [INFO ] Deduced a trap composed of 5 places in 29 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
Problem MAX1 is UNSAT
Problem MAX2 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/17 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/17 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 17 constraints, problems are : Problem set: 3 solved, 3 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 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) 7/10 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 3/20 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/20 constraints. Problems are: Problem set: 3 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/20 constraints. Problems are: Problem set: 3 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 20 constraints, problems are : Problem set: 3 solved, 3 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/6 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 141ms problems are : Problem set: 3 solved, 3 unsolved
Parikh walk visited 0 properties in 518 ms.
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:12:12] [INFO ] Invariant cache hit.
[2025-06-03 20:12:12] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 53 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 117ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 118 ms. Remains : 10/10 places, 15/15 transitions.
RANDOM walk for 40052 steps (8 resets) in 56 ms. (702 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (9 resets) in 77 ms. (512 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (10 resets) in 81 ms. (487 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (9 resets) in 76 ms. (519 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 646274 steps, run timeout after 3001 ms. (steps per millisecond=215 ) properties seen :0 out of 3
Probabilistic random walk after 646274 steps, saw 375145 distinct states, run finished after 3001 ms. (steps per millisecond=215 ) properties seen :0
[2025-06-03 20:12:15] [INFO ] Invariant cache hit.
[2025-06-03 20:12:15] [INFO ] State equation strengthened by 5 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) 7/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 3 unsolved in 44 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 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 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) 7/10 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 20:12:15] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 3/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 20 constraints, problems are : Problem set: 0 solved, 3 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 164ms problems are : Problem set: 0 solved, 3 unsolved
Parikh walk visited 0 properties in 513 ms.
Support contains 3 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:12:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:12:16] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 20:12:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:12:16] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:12:16] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:12:16] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:12:16] [INFO ] Invariant cache hit.
[2025-06-03 20:12:16] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 117ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 117ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 10/10 places, 15/15 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 20:12:16] [INFO ] Flatten gal took : 3 ms
[2025-06-03 20:12:16] [INFO ] Applying decomposition
[2025-06-03 20:12:16] [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/graph1122128046610015829.txt' '-o' '/tmp/graph1122128046610015829.bin' '-w' '/tmp/graph1122128046610015829.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1122128046610015829.bin' '-l' '-1' '-v' '-w' '/tmp/graph1122128046610015829.weights' '-q' '0' '-e' '0.001'
[2025-06-03 20:12:16] [INFO ] Decomposing Gal with order
[2025-06-03 20:12:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 20:12:16] [INFO ] Flatten gal took : 31 ms
[2025-06-03 20:12:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-03 20:12:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7878252886035654987.gal : 2 ms
[2025-06-03 20:12:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2796445811337992171.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/ReachabilityCardinality7878252886035654987.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2796445811337992171.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality2796445811337992171.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 286
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :286 after 32695
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :32695 after 9.10046e+07
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :8.8882e+10 after 8.94272e+10
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :8.94272e+10 after 8.94272e+10
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :8.94272e+10 after 8.94272e+10
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :8.94272e+10 after 9.54143e+10
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :9.54143e+10 after 9.54143e+10
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :1.72463e+11 after 1.80827e+11
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128, 128, 128] Max Struct:[130, 130, 130]
Starting property specific reduction for PGCD-PT-D04N025-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[130]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[130]
[2025-06-03 20:13:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[130]
RANDOM walk for 10025 steps (2 resets) in 2 ms. (3341 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[102] Max Struct:[130]
[2025-06-03 20:13:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:13:06] [INFO ] [Real]Absence check using 1 positive place invariants in 11 ms returned sat
[2025-06-03 20:13:06] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2025-06-03 20:13:06] [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 20:13:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:13:06] [INFO ] [Nat]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:13:06] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:13:06] [INFO ] [Nat]Added 5 Read/Feed constraints in 3 ms returned sat
[2025-06-03 20:13:07] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:13:07] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 5 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[102] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:13:07] [INFO ] Invariant cache hit.
[2025-06-03 20:13:07] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 197ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 198ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:13:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[130]
RANDOM walk for 1000033 steps (2 resets) in 174 ms. (5714 steps per ms)
BEST_FIRST walk for 1000000 steps (216 resets) in 240 ms. (4149 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[130]
[2025-06-03 20:13:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:13:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:13:07] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2025-06-03 20:13:07] [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 20:13:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:13:07] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2025-06-03 20:13:07] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:13:07] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:13:07] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:13:07] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:13:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:13:07] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-03 20:13:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:13:07] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:13:07] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:13:07] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:13:07] [INFO ] Invariant cache hit.
[2025-06-03 20:13:07] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 116 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 187ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 308 ms. Remains : 10/10 places, 15/15 transitions.
RANDOM walk for 40041 steps (8 resets) in 13 ms. (2860 steps per ms) remains 2/2 properties
[2025-06-03 20:13:08] [INFO ] Flatten gal took : 2 ms
[2025-06-03 20:13:08] [INFO ] Flatten gal took : 1 ms
[2025-06-03 20:13:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality8890750332756902670.gal : 7 ms
[2025-06-03 20:13:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6689481558316752822.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/ReachabilityCardinality8890750332756902670.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6689481558316752822.prop' '--nowitness' '--gen-order' 'FOLLOW'
BEST_FIRST walk for 40004 steps (9 resets) in 30 ms. (1290 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 ...328
Loading property file /tmp/ReachabilityCardinality6689481558316752822.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 1651
BEST_FIRST walk for 40004 steps (8 resets) in 39 ms. (1000 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1651 after 6479
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :6479 after 2.44742e+06
Interrupted probabilistic random walk after 722020 steps, run timeout after 3001 ms. (steps per millisecond=240 ) properties seen :0 out of 2
Probabilistic random walk after 722020 steps, saw 417704 distinct states, run finished after 3002 ms. (steps per millisecond=240 ) properties seen :0
[2025-06-03 20:13:11] [INFO ] Invariant cache hit.
[2025-06-03 20:13:11] [INFO ] State equation strengthened by 5 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) 9/10 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
[2025-06-03 20:13:11] [INFO ] Deduced a trap composed of 5 places in 69 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 17 constraints, problems are : Problem set: 1 solved, 1 unsolved in 365 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 1/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 18 constraints, problems are : Problem set: 1 solved, 1 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 447ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:13:11] [INFO ] Invariant cache hit.
[2025-06-03 20:13:11] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 242 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 134 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 401ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 401ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 403 ms. Remains : 10/10 places, 15/15 transitions.
RANDOM walk for 40038 steps (8 resets) in 11 ms. (3336 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 19 ms. (2000 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3167402 steps, run timeout after 3001 ms. (steps per millisecond=1055 ) properties seen :0 out of 1
Probabilistic random walk after 3167402 steps, saw 1779879 distinct states, run finished after 3001 ms. (steps per millisecond=1055 ) properties seen :0
[2025-06-03 20:13:15] [INFO ] Invariant cache hit.
[2025-06-03 20:13:15] [INFO ] State equation strengthened by 5 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 1 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 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 20:13:15] [INFO ] Deduced a trap composed of 5 places in 61 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 18 constraints, problems are : Problem set: 0 solved, 1 unsolved in 140 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 231ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 9 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:13:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:13:15] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-03 20:13:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:13:15] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:13:15] [INFO ] Implicit Places using invariants and state equation in 433 ms returned []
Implicit Place search using SMT with State Equation took 496 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:13:15] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:13:15] [INFO ] Invariant cache hit.
[2025-06-03 20:13:15] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 636 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 707ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 708ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1219 ms. Remains : 10/10 places, 15/15 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 20:13:16] [INFO ] Flatten gal took : 1 ms
[2025-06-03 20:13:16] [INFO ] Applying decomposition
[2025-06-03 20:13:16] [INFO ] Flatten gal took : 6 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/graph1772004614802998889.txt' '-o' '/tmp/graph1772004614802998889.bin' '-w' '/tmp/graph1772004614802998889.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph1772004614802998889.bin' '-l' '-1' '-v' '-w' '/tmp/graph1772004614802998889.weights' '-q' '0' '-e' '0.001'
[2025-06-03 20:13:16] [INFO ] Decomposing Gal with order
[2025-06-03 20:13:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 20:13:16] [INFO ] Flatten gal took : 2 ms
[2025-06-03 20:13:16] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-03 20:13:16] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15701268998023024241.gal : 0 ms
[2025-06-03 20:13:16] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14783203729106904642.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/ReachabilityCardinality15701268998023024241.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14783203729106904642.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 ...309
Loading property file /tmp/ReachabilityCardinality14783203729106904642.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 286
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :286 after 39234
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :39234 after 2.6145e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8.8882e+10 after 8.8882e+10
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :8.8882e+10 after 8.8882e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :8.8882e+10 after 8.8882e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :8.8882e+10 after 8.8882e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :8.8882e+10 after 8.8882e+10
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.71432e+11 after 1.79763e+11
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128] Max Struct:[130]
Ending property specific reduction for PGCD-PT-D04N025-UpperBounds-02 in 59796 ms.
Starting property specific reduction for PGCD-PT-D04N025-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[130]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[130]
[2025-06-03 20:14:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[130]
RANDOM walk for 10000 steps (2 resets) in 2 ms. (3333 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 4 ms. (2000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[102] Max Struct:[130]
[2025-06-03 20:14:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:14:06] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:14:06] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2025-06-03 20:14:06] [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 20:14:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:14:06] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:14:06] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:14:06] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:14:06] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 4 ms.
[2025-06-03 20:14:06] [INFO ] Added : 1 causal constraints over 1 iterations in 7 ms. Result :sat
Minimization took 8 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[102] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[125] Max Struct:[130]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:14:06] [INFO ] Invariant cache hit.
[2025-06-03 20:14:06] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 57 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 175ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 175ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 176 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:14:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[125] Max Struct:[130]
RANDOM walk for 1000021 steps (2 resets) in 132 ms. (7518 steps per ms)
BEST_FIRST walk for 1000001 steps (227 resets) in 282 ms. (3533 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[125] Max Struct:[130]
[2025-06-03 20:14:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:14:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:14:07] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:14:07] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:14:07] [INFO ] [Real]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:14:07] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:14:07] [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 20:14:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:14:07] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 20:14:07] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
[2025-06-03 20:14:07] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:14:07] [INFO ] Added : 1 causal constraints over 1 iterations in 16 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[125] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 2 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:14:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:14:07] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-03 20:14:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:14:07] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:14:07] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 81 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:14:07] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:14:07] [INFO ] Invariant cache hit.
[2025-06-03 20:14:07] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 114 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 220ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 220ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 306 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:14:07] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[130]
RANDOM walk for 1000055 steps (2 resets) in 166 ms. (5988 steps per ms)
BEST_FIRST walk for 1000001 steps (235 resets) in 225 ms. (4424 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[130]
[2025-06-03 20:14:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:14:08] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:14:08] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:14:08] [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 20:14:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2025-06-03 20:14:08] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2025-06-03 20:14:08] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:14:08] [INFO ] [Nat]Added 5 Read/Feed constraints in 2 ms returned sat
[2025-06-03 20:14:08] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:14:08] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 4 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:14:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:14:08] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 20:14:08] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:14:08] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:14:08] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:14:08] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:14:08] [INFO ] Invariant cache hit.
[2025-06-03 20:14:08] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 163ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 226 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:14:08] [INFO ] Flatten gal took : 1 ms
[2025-06-03 20:14:08] [INFO ] Flatten gal took : 2 ms
RANDOM walk for 40036 steps (8 resets) in 16 ms. (2355 steps per ms) remains 2/2 properties
[2025-06-03 20:14:08] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12625045259881102087.gal : 0 ms
[2025-06-03 20:14:08] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality6124378443769357585.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/ReachabilityCardinality12625045259881102087.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality6124378443769357585.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...329
Loading property file /tmp/ReachabilityCardinality6124378443769357585.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 1651
BEST_FIRST walk for 40003 steps (9 resets) in 36 ms. (1081 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1651 after 6479
BEST_FIRST walk for 40002 steps (10 resets) in 19 ms. (2000 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :6479 after 2.44742e+06
Interrupted probabilistic random walk after 978686 steps, run timeout after 3001 ms. (steps per millisecond=326 ) properties seen :0 out of 2
Probabilistic random walk after 978686 steps, saw 564165 distinct states, run finished after 3001 ms. (steps per millisecond=326 ) properties seen :0
[2025-06-03 20:14:11] [INFO ] Invariant cache hit.
[2025-06-03 20:14:11] [INFO ] State equation strengthened by 5 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) 9/10 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
[2025-06-03 20:14:11] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 17 constraints, problems are : Problem set: 1 solved, 1 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 1/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 18 constraints, problems are : Problem set: 1 solved, 1 unsolved in 33 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 104ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:14:11] [INFO ] Invariant cache hit.
[2025-06-03 20:14:11] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 123ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 123ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 123 ms. Remains : 10/10 places, 15/15 transitions.
RANDOM walk for 40042 steps (8 resets) in 20 ms. (1906 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (10 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2889603 steps, run timeout after 3001 ms. (steps per millisecond=962 ) properties seen :0 out of 1
Probabilistic random walk after 2889603 steps, saw 1629362 distinct states, run finished after 3001 ms. (steps per millisecond=962 ) properties seen :0
[2025-06-03 20:14:14] [INFO ] Invariant cache hit.
[2025-06-03 20:14:14] [INFO ] State equation strengthened by 5 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 1 unsolved in 32 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 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 20:14:14] [INFO ] Deduced a trap composed of 5 places in 27 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 18 constraints, problems are : Problem set: 0 solved, 1 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 96ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 17 ms.
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:14:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:14:14] [INFO ] Implicit Places using invariants in 20 ms returned []
[2025-06-03 20:14:14] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:14:14] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:14:14] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:14:14] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:14:14] [INFO ] Invariant cache hit.
[2025-06-03 20:14:14] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 46 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 55 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 103ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 103ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 151 ms. Remains : 10/10 places, 15/15 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 20:14:15] [INFO ] Flatten gal took : 3 ms
[2025-06-03 20:14:15] [INFO ] Applying decomposition
[2025-06-03 20:14:15] [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/graph12016233967913672683.txt' '-o' '/tmp/graph12016233967913672683.bin' '-w' '/tmp/graph12016233967913672683.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph12016233967913672683.bin' '-l' '-1' '-v' '-w' '/tmp/graph12016233967913672683.weights' '-q' '0' '-e' '0.001'
[2025-06-03 20:14:15] [INFO ] Decomposing Gal with order
[2025-06-03 20:14:15] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 20:14:15] [INFO ] Flatten gal took : 2 ms
[2025-06-03 20:14:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2025-06-03 20:14:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality189407139662206433.gal : 0 ms
[2025-06-03 20:14:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16770837062514491727.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/ReachabilityCardinality189407139662206433.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16770837062514491727.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality16770837062514491727.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 286
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :286 after 12844
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :12844 after 2.45816e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :5.42892e+10 after 5.61409e+10
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5.61409e+10 after 5.61409e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :5.61409e+10 after 5.61409e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :5.61409e+10 after 5.62622e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.12616e+11 after 1.15197e+11
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128] Max Struct:[130]
Ending property specific reduction for PGCD-PT-D04N025-UpperBounds-07 in 58491 ms.
Starting property specific reduction for PGCD-PT-D04N025-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[25] Max Struct:[130]
Current structural bounds on expressions (Before main loop) : Max Seen:[25] Max Struct:[130]
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[130]
RANDOM walk for 10023 steps (2 resets) in 6 ms. (1431 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[102] Max Struct:[130]
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-03 20:15:05] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2025-06-03 20:15:05] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2025-06-03 20:15:05] [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 20:15:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2025-06-03 20:15:05] [INFO ] [Nat]Absence check using state equation in 8 ms returned sat
[2025-06-03 20:15:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:15:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 20:15:05] [INFO ] Deduced a trap composed of 5 places in 26 ms of which 2 ms to minimize.
[2025-06-03 20:15:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 28 ms
[2025-06-03 20:15:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:15:05] [INFO ] Added : 1 causal constraints over 1 iterations in 4 ms. Result :sat
Minimization took 6 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[102] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
[2025-06-03 20:15:05] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 54 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 121ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 122ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 122 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[130]
RANDOM walk for 1000000 steps (2 resets) in 135 ms. (7352 steps per ms)
BEST_FIRST walk for 1000001 steps (231 resets) in 321 ms. (3105 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[130]
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-03 20:15:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:15:05] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2025-06-03 20:15:05] [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 20:15:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2025-06-03 20:15:05] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2025-06-03 20:15:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:15:05] [INFO ] [Nat]Added 5 Read/Feed constraints in 1 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-03 20:15:05] [INFO ] Deduced a trap composed of 5 places in 31 ms of which 2 ms to minimize.
[2025-06-03 20:15:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 36 ms
[2025-06-03 20:15:05] [INFO ] Computed and/alt/rep : 5/10/5 causal constraints (skipped 0 transitions) in 1 ms.
[2025-06-03 20:15:05] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Minimization took 3 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128] Max Struct:[130]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[130]
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:15:05] [INFO ] Implicit Places using invariants in 21 ms returned []
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:15:05] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:15:05] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:15:05] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:15:05] [INFO ] Invariant cache hit.
[2025-06-03 20:15:05] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 131ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 131ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 186 ms. Remains : 10/10 places, 15/15 transitions.
[2025-06-03 20:15:06] [INFO ] Flatten gal took : 2 ms
[2025-06-03 20:15:06] [INFO ] Flatten gal took : 1 ms
[2025-06-03 20:15:06] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10306933449150977702.gal : 3 ms
[2025-06-03 20:15:06] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9860924436563807818.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/ReachabilityCardinality10306933449150977702.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9860924436563807818.prop' '--nowitness' '--gen-order' 'FOLLOW'
RANDOM walk for 40078 steps (8 resets) in 19 ms. (2003 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/ReachabilityCardinality9860924436563807818.prop.
BEST_FIRST walk for 40003 steps (11 resets) in 20 ms. (1904 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :10 after 19
BEST_FIRST walk for 40003 steps (8 resets) in 23 ms. (1666 steps per ms) remains 2/2 properties
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :19 after 1651
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :1651 after 6479
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :6479 after 2.44742e+06
Interrupted probabilistic random walk after 1157742 steps, run timeout after 3001 ms. (steps per millisecond=385 ) properties seen :0 out of 2
Probabilistic random walk after 1157742 steps, saw 670416 distinct states, run finished after 3001 ms. (steps per millisecond=385 ) properties seen :0
[2025-06-03 20:15:09] [INFO ] Invariant cache hit.
[2025-06-03 20:15:09] [INFO ] State equation strengthened by 5 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) 9/10 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
[2025-06-03 20:15:09] [INFO ] Deduced a trap composed of 5 places in 41 ms of which 2 ms to minimize.
Problem MAX0 is UNSAT
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 17 constraints, problems are : Problem set: 1 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 1/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/18 constraints. Problems are: Problem set: 1 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 18 constraints, problems are : Problem set: 1 solved, 1 unsolved in 42 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 142ms problems are : Problem set: 1 solved, 1 unsolved
Parikh walk visited 0 properties in 19 ms.
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Running 5 sub problems to find dead transitions.
[2025-06-03 20:15:09] [INFO ] Invariant cache hit.
[2025-06-03 20:15:09] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 183ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 184ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 10/10 places, 15/15 transitions.
RANDOM walk for 40047 steps (8 resets) in 10 ms. (3640 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (9 resets) in 18 ms. (2105 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 3080410 steps, run timeout after 3001 ms. (steps per millisecond=1026 ) properties seen :0 out of 1
Probabilistic random walk after 3080410 steps, saw 1733257 distinct states, run finished after 3001 ms. (steps per millisecond=1026 ) properties seen :0
[2025-06-03 20:15:12] [INFO ] Invariant cache hit.
[2025-06-03 20:15:12] [INFO ] State equation strengthened by 5 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) 9/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 1 unsolved in 64 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 9/10 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 20:15:12] [INFO ] Deduced a trap composed of 5 places in 32 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 15/25 variables, 10/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/25 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 18 constraints, problems are : Problem set: 0 solved, 1 unsolved in 146 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 223ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 21 ms.
Support contains 1 out of 10 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 0 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 0 ms. Remains : 10/10 places, 15/15 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 10/10 places, 15/15 transitions.
Applied a total of 0 rules in 1 ms. Remains 10 /10 variables (removed 0) and now considering 15/15 (removed 0) transitions.
[2025-06-03 20:15:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:15:12] [INFO ] Implicit Places using invariants in 17 ms returned []
[2025-06-03 20:15:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 20:15:12] [INFO ] State equation strengthened by 5 read => feed constraints.
[2025-06-03 20:15:12] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 20:15:12] [INFO ] Redundant transitions in 0 ms returned []
Running 5 sub problems to find dead transitions.
[2025-06-03 20:15:12] [INFO ] Invariant cache hit.
[2025-06-03 20:15:12] [INFO ] State equation strengthened by 5 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 0/25 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 25/25 variables, and 16 constraints, problems are : Problem set: 0 solved, 5 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 5/10 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/10 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 15/25 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/25 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/25 variables, 5/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 0/25 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 25/25 variables, and 21 constraints, problems are : Problem set: 0 solved, 5 unsolved in 61 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 10/10 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 5 unsolved
Search for dead transitions found 0 dead transitions in 135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 250 ms. Remains : 10/10 places, 15/15 transitions.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-03 20:15:13] [INFO ] Flatten gal took : 2 ms
[2025-06-03 20:15:13] [INFO ] Applying decomposition
[2025-06-03 20:15:13] [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/graph2894289570324128156.txt' '-o' '/tmp/graph2894289570324128156.bin' '-w' '/tmp/graph2894289570324128156.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph2894289570324128156.bin' '-l' '-1' '-v' '-w' '/tmp/graph2894289570324128156.weights' '-q' '0' '-e' '0.001'
[2025-06-03 20:15:13] [INFO ] Decomposing Gal with order
[2025-06-03 20:15:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 20:15:13] [INFO ] Flatten gal took : 3 ms
[2025-06-03 20:15:13] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-03 20:15:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12326861168665003510.gal : 0 ms
[2025-06-03 20:15:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13109057295686647292.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/ReachabilityCardinality12326861168665003510.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13109057295686647292.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 ...309
Loading property file /tmp/ReachabilityCardinality13109057295686647292.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 286
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :286 after 39234
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :39234 after 2.61605e+08
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :8.8882e+10 after 9.54432e+10
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :9.54432e+10 after 9.54939e+10
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :9.54939e+10 after 9.54939e+10
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :9.54939e+10 after 9.54939e+10
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :9.54939e+10 after 9.55086e+10
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.72463e+11 after 1.81051e+11
Detected timeout of ITS tools.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128] Max Struct:[130]
Ending property specific reduction for PGCD-PT-D04N025-UpperBounds-14 in 57982 ms.
[2025-06-03 20:16:03] [INFO ] Flatten gal took : 2 ms
[2025-06-03 20:16:03] [INFO ] Applying decomposition
[2025-06-03 20:16:03] [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/graph7653152475948450365.txt' '-o' '/tmp/graph7653152475948450365.bin' '-w' '/tmp/graph7653152475948450365.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph7653152475948450365.bin' '-l' '-1' '-v' '-w' '/tmp/graph7653152475948450365.weights' '-q' '0' '-e' '0.001'
[2025-06-03 20:16:03] [INFO ] Decomposing Gal with order
[2025-06-03 20:16:03] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-03 20:16:03] [INFO ] Flatten gal took : 1 ms
[2025-06-03 20:16:03] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2025-06-03 20:16:03] [INFO ] Time to serialize gal into /tmp/UpperBounds3430476388143813934.gal : 0 ms
[2025-06-03 20:16:03] [INFO ] Time to serialize properties into /tmp/UpperBounds14711791117039349041.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/UpperBounds3430476388143813934.gal' '-t' 'CGAL' '-reachable-file' '/tmp/UpperBounds14711791117039349041.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...284
Loading property file /tmp/UpperBounds14711791117039349041.prop.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst\_mod\_flat,2.57364e+12,779.976,1909928,1340,450,1.24936e+06,820407,41,5.2789e+06,19,2.1069e+06,0
Total reachable state count : 2573637642576
Verifying 3 reachability properties.
Min sum of variable value : 0
Maximum sum along a path : 128
Bounds property PGCD-PT-D04N025-UpperBounds-02 :0 <= i1.u2.p1_2 <= 128
FORMULA PGCD-PT-D04N025-UpperBounds-02 128 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-D04N025-UpperBounds-02,0,824.969,1910056,1,0,1.24936e+06,931157,68,5.2789e+06,155,2.43536e+06,1692
Min sum of variable value : 0
Maximum sum along a path : 128
Bounds property PGCD-PT-D04N025-UpperBounds-07 :0 <= i0.u0.p1_4 <= 128
FORMULA PGCD-PT-D04N025-UpperBounds-09 128 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
FORMULA PGCD-PT-D04N025-UpperBounds-13 128 TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
FORMULA PGCD-PT-D04N025-UpperBounds-07 128 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-D04N025-UpperBounds-07,0,826.35,1910952,1,0,1.24936e+06,1.03196e+06,78,5.2789e+06,155,2.81071e+06,2399
Min sum of variable value : 0
Maximum sum along a path : 128
Bounds property PGCD-PT-D04N025-UpperBounds-14 :0 <= i1.u1.p1_1 <= 128
FORMULA PGCD-PT-D04N025-UpperBounds-14 128 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-D04N025-UpperBounds-14,0,834.06,1910952,1,0,1.24936e+06,1.0394e+06,84,5.2789e+06,155,2.83454e+06,3168
ITS tools runner thread asked to quit. Dying gracefully.
Total runtime 1078988 ms.
BK_STOP 1748982598007
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="PGCD-PT-D04N025"
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-D04N025, 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-174876813200733"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PGCD-PT-D04N025.tgz
mv PGCD-PT-D04N025 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 '
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 ;