Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r133-smll-174876529800379.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 Murphy-PT-D4N025, examination is Liveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r133-smll-174876529800379
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 408K
-rw-r--r-- 1 mcc users 6.2K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K 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 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.8K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K 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 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 19K May 29 14:32 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

FORMULA_NAME Liveness

=== Now, execution of the tool begins

BK_START 1748894799902

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=Liveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=Murphy-PT-D4N025
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
Liveness PT
Running Version 202505121319
[2025-06-02 20:06:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, Liveness, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 1800]
[2025-06-02 20:06:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-02 20:06:42] [INFO ] Load time of PNML (sax parser for PT used): 90 ms
[2025-06-02 20:06:42] [INFO ] Transformed 30 places.
[2025-06-02 20:06:42] [INFO ] Transformed 35 transitions.
[2025-06-02 20:06:42] [INFO ] Parsed PT model containing 30 places and 35 transitions and 135 arcs in 309 ms.
Discarding 15 transitions out of 35. Remains 20
Built sparse matrix representations for Structural reductions in 10 ms.14331KB memory used
Starting structural reductions in DEADLOCK mode, iteration 0 : 30/30 places, 35/35 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 27 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
// Phase 1: matrix 35 rows 30 cols
[2025-06-02 20:06:42] [INFO ] Computed 6 invariants in 8 ms
[2025-06-02 20:06:42] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 46 constraints, problems are : Problem set: 0 solved, 20 unsolved in 1372 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 20 unsolved in 1142 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 2605ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 2634ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 2757 ms. Remains : 30/30 places, 35/35 transitions.
Starting structural reductions in DEADLOCK mode, iteration 0 : 30/30 places, 35/35 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Applied a total of 0 rules in 6 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
[2025-06-02 20:06:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 20:06:45] [INFO ] Implicit Places using invariants in 54 ms returned []
[2025-06-02 20:06:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 20:06:45] [INFO ] State equation strengthened by 10 read => feed constraints.
[2025-06-02 20:06:45] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-02 20:06:45] [INFO ] Redundant transitions in 0 ms returned []
Running 20 sub problems to find dead transitions.
[2025-06-02 20:06:45] [INFO ] Invariant cache hit.
[2025-06-02 20:06:45] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 46 constraints, problems are : Problem set: 0 solved, 20 unsolved in 696 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 20 unsolved in 1012 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1725ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 1726ms
Finished structural reductions in DEADLOCK mode , in 1 iterations and 1890 ms. Remains : 30/30 places, 35/35 transitions.
Random walk for 1250036 steps, including 0 resets, run took 1315 ms (no deadlock found). (steps per millisecond=950 )
Random directed walk for 1250013 steps, including 0 resets, run took 1016 ms (no deadlock found). (steps per millisecond=1230 )
[2025-06-02 20:06:49] [INFO ] Invariant cache hit.
Starting Z3 with timeout 300.0 s and query timeout 30000.0 ms
[2025-06-02 20:06:49] [INFO ] [Real]Absence check using 2 positive place invariants in 2 ms returned sat
[2025-06-02 20:06:49] [INFO ] [Real]Absence check using 2 positive and 4 generalized place invariants in 5 ms returned sat
[2025-06-02 20:06:49] [INFO ] [Real]Absence check using state equation in 19 ms returned unsat
Starting structural reductions in LIVENESS mode, iteration 0 : 30/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 30 /30 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Running 20 sub problems to find dead transitions.
[2025-06-02 20:06:49] [INFO ] Invariant cache hit.
[2025-06-02 20:06:49] [INFO ] State equation strengthened by 10 read => feed constraints.
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (OVERLAPS) 0/65 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Real declared 65/65 variables, and 46 constraints, problems are : Problem set: 0 solved, 20 unsolved in 467 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 20 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/20 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/20 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 2 (OVERLAPS) 5/25 variables, 2/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/25 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 4 (OVERLAPS) 35/60 variables, 25/31 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/60 variables, 10/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 7 (OVERLAPS) 5/65 variables, 5/46 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/65 variables, 20/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
At refinement iteration 10 (OVERLAPS) 0/65 variables, 0/66 constraints. Problems are: Problem set: 0 solved, 20 unsolved
No progress, stopping.
After SMT solving in domain Int declared 65/65 variables, and 66 constraints, problems are : Problem set: 0 solved, 20 unsolved in 833 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 30/30 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 20/20 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1310ms problems are : Problem set: 0 solved, 20 unsolved
Search for dead transitions found 0 dead transitions in 1312ms
[2025-06-02 20:06:50] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-02 20:06:50] [INFO ] Implicit Places using invariants in 82 ms returned [10, 11, 12, 13, 14]
Discarding 5 places :
Implicit Place search using SMT only with invariants took 88 ms to find 5 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 25/30 places, 35/35 transitions.
Applied a total of 0 rules in 1 ms. Remains 25 /25 variables (removed 0) and now considering 35/35 (removed 0) transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1404 ms. Remains : 25/30 places, 35/35 transitions.
Discarding 15 transitions out of 35. Remains 20
Initial state reduction rules removed 10 formulas.
RANDOM walk for 40046 steps (8 resets) in 694 ms. (57 steps per ms) remains 5/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 241 ms. (165 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (8 resets) in 198 ms. (201 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 226 ms. (176 steps per ms) remains 5/5 properties
[2025-06-02 20:06:51] [INFO ] Flatten gal took : 51 ms
BEST_FIRST walk for 40004 steps (8 resets) in 171 ms. (232 steps per ms) remains 5/5 properties
[2025-06-02 20:06:51] [INFO ] Flatten gal took : 20 ms
[2025-06-02 20:06:51] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2242461798597784351.gal : 10 ms
BEST_FIRST walk for 40003 steps (8 resets) in 162 ms. (245 steps per ms) remains 5/5 properties
// Phase 1: matrix 35 rows 25 cols
[2025-06-02 20:06:51] [INFO ] Computed 1 invariants in 3 ms
[2025-06-02 20:06:51] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8092895878171748475.prop : 2 ms
[2025-06-02 20:06:51] [INFO ] State equation strengthened by 10 read => feed constraints.
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/ReachabilityCardinality2242461798597784351.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8092895878171748475.prop' '--nowitness' '--gen-order' 'FOLLOW'
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms

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/ReachabilityCardinality8092895878171748475.prop.
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :6 after 36
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :36 after 90
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :90 after 3822
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :3822 after 34242
At refinement iteration 1 (OVERLAPS) 20/30 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 5/35 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (OVERLAPS) 15/50 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 128
At refinement iteration 7 (INCLUDED_ONLY) 0/50 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD size :34242 after 6.33906e+07
At refinement iteration 8 (OVERLAPS) 10/60 variables, 10/35 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/60 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 0/60 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 60/60 variables, and 36 constraints, problems are : Problem set: 0 solved, 5 unsolved in 234 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 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 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 20/30 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (OVERLAPS) 5/35 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 15/50 variables, 5/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/50 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (OVERLAPS) 10/60 variables, 10/40 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/60 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :6.33906e+07 after 1.93336e+11
At refinement iteration 11 (INCLUDED_ONLY) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (OVERLAPS) 0/60 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 60/60 variables, and 41 constraints, problems are : Problem set: 0 solved, 5 unsolved in 330 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, State Equation: 25/25 constraints, ReadFeed: 10/10 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 579ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 201 ms.
Support contains 10 out of 25 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 25/25 places, 35/35 transitions.
Graph (complete) has 70 edges and 25 vertex of which 15 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 10 output transitions
Drop transitions (Output transitions of discarded places.) removed 10 transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 15 transition count 20
Applied a total of 6 rules in 16 ms. Remains 15 /25 variables (removed 10) and now considering 20/35 (removed 15) transitions.
Running 15 sub problems to find dead transitions.
// Phase 1: matrix 20 rows 15 cols
[2025-06-02 20:06:52] [INFO ] Computed 0 invariants in 1 ms
[2025-06-02 20:06:52] [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, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 20/30 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 5/35 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/35 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 35/35 variables, and 20 constraints, problems are : Problem set: 0 solved, 15 unsolved in 275 ms.
Refiners :[State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
Starting Z3 with timeout 20.0 s and query timeout 2000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 20/30 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 5/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/30 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 5/35 variables, 5/20 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/35 variables, 15/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/35 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (OVERLAPS) 0/35 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 35/35 variables, and 35 constraints, problems are : Problem set: 0 solved, 15 unsolved in 346 ms.
Refiners :[State Equation: 15/15 constraints, ReadFeed: 5/5 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 647ms problems are : Problem set: 0 solved, 15 unsolved
Search for dead transitions found 0 dead transitions in 647ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 664 ms. Remains : 15/25 places, 20/35 transitions.
RANDOM walk for 4000002 steps (8 resets) in 9162 ms. (436 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000001 steps (8 resets) in 2863 ms. (1396 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2837 ms. (1409 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2821 ms. (1417 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 2712 ms. (1474 steps per ms) remains 5/5 properties
BEST_FIRST walk for 4000004 steps (8 resets) in 3123 ms. (1280 steps per ms) remains 5/5 properties
Probably explored full state space saw : 7776 states, properties seen :0
Probabilistic random walk after 59616 steps, saw 7776 distinct states, run finished after 195 ms. (steps per millisecond=305 ) properties seen :0
Explored full state space saw : 7776 states, properties seen :0
Exhaustive walk after 59616 steps, saw 7776 distinct states, run finished after 113 ms. (steps per millisecond=527 ) properties seen :0
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
FORMULA Liveness FALSE TECHNIQUES QUASILIVENESS_TEST
Total runtime 18044 ms.

BK_STOP 1748894820031

--------------------
content from stderr:

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

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="Murphy-PT-D4N025"
export BK_EXAMINATION="Liveness"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is Murphy-PT-D4N025, examination is Liveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r133-smll-174876529800379"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Murphy-PT-D4N025.tgz
mv Murphy-PT-D4N025 execution
cd execution
if [ "Liveness" = "ReachabilityDeadlock" ] || [ "Liveness" = "UpperBounds" ] || [ "Liveness" = "QuasiLiveness" ] || [ "Liveness" = "StableMarking" ] || [ "Liveness" = "Liveness" ] || [ "Liveness" = "OneSafe" ] || [ "Liveness" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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