fond
Model Checking Contest 2025
15th edition, Paris, France, June 24, 2025
Execution of r128-smll-174876524000125
Last Updated
June 24, 2025

About the Execution of ITS-Tools for MedleyA-PT-04

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
0.000 18101.00 0.00 0.00 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r128-smll-174876524000125.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is MedleyA-PT-04, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r128-smll-174876524000125
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 8.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K 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 2.1K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K 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 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 28K 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 MedleyA-PT-04-UpperBounds-00
FORMULA_NAME MedleyA-PT-04-UpperBounds-01
FORMULA_NAME MedleyA-PT-04-UpperBounds-02
FORMULA_NAME MedleyA-PT-04-UpperBounds-03
FORMULA_NAME MedleyA-PT-04-UpperBounds-04
FORMULA_NAME MedleyA-PT-04-UpperBounds-05
FORMULA_NAME MedleyA-PT-04-UpperBounds-06
FORMULA_NAME MedleyA-PT-04-UpperBounds-07
FORMULA_NAME MedleyA-PT-04-UpperBounds-08
FORMULA_NAME MedleyA-PT-04-UpperBounds-09
FORMULA_NAME MedleyA-PT-04-UpperBounds-10
FORMULA_NAME MedleyA-PT-04-UpperBounds-11
FORMULA_NAME MedleyA-PT-04-UpperBounds-12
FORMULA_NAME MedleyA-PT-04-UpperBounds-13
FORMULA_NAME MedleyA-PT-04-UpperBounds-14
FORMULA_NAME MedleyA-PT-04-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1748844225476

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=MedleyA-PT-04
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202505121319
[2025-06-02 06:03:47] [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]
[2025-06-02 06:03:47] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 06:03:47] [INFO ] Load time of PNML (sax parser for PT used): 118 ms
[2025-06-02 06:03:47] [INFO ] Transformed 115 places.
[2025-06-02 06:03:47] [INFO ] Transformed 107 transitions.
[2025-06-02 06:03:47] [INFO ] Found NUPN structural information;
[2025-06-02 06:03:47] [INFO ] Parsed PT model containing 115 places and 107 transitions and 300 arcs in 280 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 21 ms.
Current structural bounds on expressions (Initiallly, because the net is safe) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
// Phase 1: matrix 107 rows 115 cols
[2025-06-02 06:03:47] [INFO ] Computed 9 invariants in 22 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
RANDOM walk for 10000 steps (285 resets) in 61 ms. (161 steps per ms)
FORMULA MedleyA-PT-04-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA MedleyA-PT-04-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 30002 steps (226 resets) in 82 ms. (361 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2025-06-02 06:03:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:03:48] [INFO ] [Real]Absence check using 9 positive place invariants in 17 ms returned sat
[2025-06-02 06:03:48] [INFO ] [Real]Absence check using state equation in 146 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:49] [INFO ] Deduced a trap composed of 11 places in 200 ms of which 26 ms to minimize.
[2025-06-02 06:03:49] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:03:49] [INFO ] [Nat]Absence check using 9 positive place invariants in 12 ms returned sat
[2025-06-02 06:03:49] [INFO ] [Nat]Absence check using state equation in 107 ms returned sat
[2025-06-02 06:03:49] [INFO ] Computed and/alt/rep : 104/183/104 causal constraints (skipped 2 transitions) in 19 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:49] [INFO ] Deduced a trap composed of 17 places in 58 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:49] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:49] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 5 ms to minimize.
[2025-06-02 06:03:49] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 210 ms
[2025-06-02 06:03:50] [INFO ] Added : 99 causal constraints over 21 iterations in 632 ms. Result :sat
Minimization took 75 ms.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:03:50] [INFO ] [Real]Absence check using 9 positive place invariants in 7 ms returned sat
[2025-06-02 06:03:50] [INFO ] [Real]Absence check using state equation in 94 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:50] [INFO ] Deduced a trap composed of 11 places in 87 ms of which 9 ms to minimize.
[2025-06-02 06:03:50] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
[2025-06-02 06:03:50] [INFO ] [Nat]Absence check using 9 positive place invariants in 9 ms returned sat
[2025-06-02 06:03:50] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2025-06-02 06:03:50] [INFO ] Computed and/alt/rep : 104/183/104 causal constraints (skipped 2 transitions) in 14 ms.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:50] [INFO ] Deduced a trap composed of 20 places in 53 ms of which 4 ms to minimize.
[2025-06-02 06:03:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 86 ms
[2025-06-02 06:03:50] [INFO ] Added : 95 causal constraints over 20 iterations in 457 ms. Result :sat
Minimization took 125 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 115 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 115/115 places, 107/107 transitions.
Graph (complete) has 207 edges and 115 vertex of which 114 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 24 transitions
Trivial Post-agglo rules discarded 24 transitions
Performed 24 trivial Post agglomeration. Transition count delta: 24
Iterating post reduction 0 with 24 rules applied. Total rules applied 25 place count 114 transition count 83
Reduce places removed 24 places and 0 transitions.
Iterating post reduction 1 with 24 rules applied. Total rules applied 49 place count 90 transition count 83
Performed 6 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 6 Pre rules applied. Total rules applied 49 place count 90 transition count 77
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 2 with 12 rules applied. Total rules applied 61 place count 84 transition count 77
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 68 place count 77 transition count 70
Iterating global reduction 2 with 7 rules applied. Total rules applied 75 place count 77 transition count 70
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 75 place count 77 transition count 69
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 77 place count 76 transition count 69
Performed 21 Post agglomeration using F-continuation condition.Transition count delta: 21
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 119 place count 55 transition count 48
Free-agglomeration rule applied 1 times.
Iterating global reduction 2 with 1 rules applied. Total rules applied 120 place count 55 transition count 47
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 121 place count 54 transition count 47
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 3 with 1 rules applied. Total rules applied 122 place count 53 transition count 46
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 123 place count 52 transition count 46
Free-agglomeration rule applied 1 times.
Iterating global reduction 4 with 1 rules applied. Total rules applied 124 place count 52 transition count 45
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 125 place count 51 transition count 45
Applied a total of 125 rules in 131 ms. Remains 51 /115 variables (removed 64) and now considering 45/107 (removed 62) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 148 ms. Remains : 51/115 places, 45/107 transitions.
// Phase 1: matrix 45 rows 51 cols
[2025-06-02 06:03:51] [INFO ] Computed 7 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0] Max Struct:[1, 1]
RANDOM walk for 1000000 steps (109197 resets) in 1211 ms. (825 steps per ms)
BEST_FIRST walk for 2000002 steps (103974 resets) in 1121 ms. (1782 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0] Max Struct:[1, 1]
[2025-06-02 06:03:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:03:54] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 06:03:54] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:54] [INFO ] Deduced a trap composed of 4 places in 55 ms of which 3 ms to minimize.
[2025-06-02 06:03:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:03:54] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2025-06-02 06:03:54] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:54] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:54] [INFO ] Deduced a trap composed of 4 places in 64 ms of which 5 ms to minimize.
[2025-06-02 06:03:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 137 ms
[2025-06-02 06:03:54] [INFO ] Computed and/alt/rep : 42/59/42 causal constraints (skipped 2 transitions) in 17 ms.
[2025-06-02 06:03:54] [INFO ] Added : 37 causal constraints over 8 iterations in 93 ms. Result :sat
Minimization took 28 ms.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:03:54] [INFO ] [Real]Absence check using 7 positive place invariants in 5 ms returned sat
[2025-06-02 06:03:54] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:54] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 4 ms to minimize.
[2025-06-02 06:03:54] [INFO ] Solution in real domain found non-integer solution.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
[2025-06-02 06:03:54] [INFO ] [Nat]Absence check using 7 positive place invariants in 4 ms returned sat
[2025-06-02 06:03:54] [INFO ] [Nat]Absence check using state equation in 44 ms returned sat
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:54] [INFO ] Deduced a trap composed of 4 places in 45 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:54] [INFO ] Deduced a trap composed of 4 places in 44 ms of which 2 ms to minimize.
[2025-06-02 06:03:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2025-06-02 06:03:54] [INFO ] Computed and/alt/rep : 42/59/42 causal constraints (skipped 2 transitions) in 6 ms.
[2025-06-02 06:03:54] [INFO ] Added : 33 causal constraints over 7 iterations in 70 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0] Max Struct:[1, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0] Max Struct:[1, 1]
Support contains 2 out of 51 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 51/51 places, 45/45 transitions.
Applied a total of 0 rules in 5 ms. Remains 51 /51 variables (removed 0) and now considering 45/45 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 51/51 places, 45/45 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 51/51 places, 45/45 transitions.
Applied a total of 0 rules in 5 ms. Remains 51 /51 variables (removed 0) and now considering 45/45 (removed 0) transitions.
[2025-06-02 06:03:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:03:55] [INFO ] Implicit Places using invariants in 91 ms returned []
[2025-06-02 06:03:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 06:03:55] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 06:03:55] [INFO ] Redundant transitions in 1 ms returned []
Running 44 sub problems to find dead transitions.
[2025-06-02 06:03:55] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:55] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:55] [INFO ] Deduced a trap composed of 6 places in 38 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:55] [INFO ] Deduced a trap composed of 4 places in 57 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:55] [INFO ] Deduced a trap composed of 4 places in 54 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-02 06:03:56] [INFO ] Deduced a trap composed of 4 places in 64 ms of which 4 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 45/95 variables, 50/62 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (OVERLAPS) 1/96 variables, 1/63 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/96 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (OVERLAPS) 0/96 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Real declared 96/96 variables, and 63 constraints, problems are : Problem set: 0 solved, 44 unsolved in 2654 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 44 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/50 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/50 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 3 (OVERLAPS) 45/95 variables, 50/62 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/95 variables, 44/106 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/95 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 6 (OVERLAPS) 1/96 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/96 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 44 unsolved
At refinement iteration 8 (OVERLAPS) 0/96 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 44 unsolved
No progress, stopping.
After SMT solving in domain Int declared 96/96 variables, and 107 constraints, problems are : Problem set: 0 solved, 44 unsolved in 4423 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 51/51 constraints, PredecessorRefiner: 44/44 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7176ms problems are : Problem set: 0 solved, 44 unsolved
Search for dead transitions found 0 dead transitions in 7188ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7440 ms. Remains : 51/51 places, 45/45 transitions.
RANDOM walk for 40000 steps (4350 resets) in 1207 ms. (33 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (2029 resets) in 610 ms. (65 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40002 steps (2128 resets) in 371 ms. (107 steps per ms) remains 4/4 properties
[2025-06-02 06:04:03] [INFO ] Flatten gal took : 115 ms
BEST_FIRST walk for 40001 steps (2079 resets) in 277 ms. (143 steps per ms) remains 4/4 properties
[2025-06-02 06:04:03] [INFO ] Flatten gal took : 44 ms
BEST_FIRST walk for 40002 steps (2088 resets) in 193 ms. (206 steps per ms) remains 4/4 properties
[2025-06-02 06:04:03] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7367758167513887832.gal : 18 ms
[2025-06-02 06:04:03] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4763489899042227240.prop : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality7367758167513887832.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4763489899042227240.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Finished probabilistic random walk after 2039 steps, run visited all 4 properties in 49 ms. (steps per millisecond=41 )
Probabilistic random walk after 2039 steps, saw 970 distinct states, run finished after 61 ms. (steps per millisecond=33 ) properties seen :4
ITS runner timed out or was interrupted.
Loading property file /tmp/ReachabilityCardinality4763489899042227240.prop.
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :7 after 15
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :15 after 102
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :164 after 419
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :601 after 1984
SDD proceeding with computation,4 properties remain. new max is 128
ITS tools runner thread asked to quit. Dying gracefully.
java.io.IOException: Stream closed
at java.base/java.io.BufferedInputStream.ensureOpen(BufferedInputStream.java:206)
at java.base/java.io.BufferedInputStream.implRead(BufferedInputStream.java:411)
at java.base/java.io.BufferedInputStream.read(BufferedInputStream.java:405)
at java.base/sun.nio.cs.StreamDecoder.readBytes(StreamDecoder.java:350)
at java.base/sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:393)
at java.base/sun.nio.cs.StreamDecoder.lockedRead(StreamDecoder.java:217)
at java.base/sun.nio.cs.StreamDecoder.read(StreamDecoder.java:171)
at java.base/java.io.InputStreamReader.read(InputStreamReader.java:188)
at java.base/java.io.BufferedReader.fill(BufferedReader.java:160)
at java.base/java.io.BufferedReader.implReadLine(BufferedReader.java:370)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:347)
at java.base/java.io.BufferedReader.readLine(BufferedReader.java:436)
at fr.lip6.move.gal.application.runner.its.ITSRunner$ITSInterpreter.run(ITSRunner.java:211)
at java.base/java.lang.Thread.run(Thread.java:1583)
FORMULA MedleyA-PT-04-UpperBounds-05 1 TECHNIQUES REACHABILITY_MAX
FORMULA MedleyA-PT-04-UpperBounds-03 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 2 queries.) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 15952 ms.

BK_STOP 1748844243577

--------------------
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="MedleyA-PT-04"
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 MedleyA-PT-04, 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 r128-smll-174876524000125"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/MedleyA-PT-04.tgz
mv MedleyA-PT-04 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;