About the Execution of ITS-Tools for DoubleLock-PT-p1s3
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16149.888 | 3600000.00 | 5485280.00 | 24554.80 | TTTF?TFFTFFTTFTF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).

Trace from the execution
Formatting '/data/fkordon/mcc2026-input.r114-smll-177955740300022.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-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 2-5973
Executing tool itstools
Input is DoubleLock-PT-p1s3, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740300022
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 7.3K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 42K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Mar 15 09:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 09:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 09:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 09:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 52K Mar 6 18:10 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 5 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.4M Mar 3 18:30 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-00
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-01
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-02
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-03
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-04
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-05
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-06
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-07
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-08
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-09
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-10
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-11
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-12
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-13
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-14
FORMULA_NAME DoubleLock-PT-p1s3-ReachabilityCardinality-2024-15
=== Now, execution of the tool begins
BK_START 1779586564317
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s3
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 01:36:06] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 01:36:06] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 01:36:07] [INFO ] Load time of PNML (sax parser for PT used): 977 ms
[2026-05-24 01:36:07] [INFO ] Transformed 570 places.
[2026-05-24 01:36:08] [INFO ] Transformed 7568 transitions.
[2026-05-24 01:36:08] [INFO ] Parsed PT model containing 570 places and 7568 transitions and 30656 arcs in 1369 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 33 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 132 places in 32 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40008 steps (380 resets) in 3425 ms. (11 steps per ms) remains 7/8 properties
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (57 resets) in 337 ms. (118 steps per ms) remains 6/7 properties
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (59 resets) in 966 ms. (41 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (55 resets) in 377 ms. (105 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (54 resets) in 512 ms. (77 steps per ms) remains 5/6 properties
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (56 resets) in 354 ms. (112 steps per ms) remains 4/5 properties
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (55 resets) in 276 ms. (144 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (39 resets) in 970 ms. (41 steps per ms) remains 4/4 properties
[2026-05-24 01:36:11] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7128106650724609175.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4978656303151651339.kers'
[2026-05-24 01:36:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7128106650724609175.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4978656303151651339.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 5 ms.
// Phase 1: matrix 4971 rows 437 cols 19310 entries
Finished phase 1 with 434 SingleSign rule and 0 generalized
[2026-05-24 01:36:11] [INFO ] Computed 4 invariants in 36 ms
Computed 4 P flows in 40 ms.
Exported basis to /tmp/petrispot-output-4978656303151651339.kers
Total runtime 50 ms.
[2026-05-24 01:36:11] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
[2026-05-24 01:36:12] [INFO ] Flatten gal took : 1437 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem DoubleLock-PT-p1s3-ReachabilityCardinality-2024-03 is UNSAT
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s3-ReachabilityCardinality-2024-12 is UNSAT
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s3-ReachabilityCardinality-2024-13 is UNSAT
FORMULA DoubleLock-PT-p1s3-ReachabilityCardinality-2024-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 362/423 variables, 3/3 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/423 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1/424 variables, 1/4 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/424 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 1 unsolved
[2026-05-24 01:36:12] [INFO ] Flatten gal took : 441 ms
[2026-05-24 01:36:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9420893911905957131.gal : 285 ms
[2026-05-24 01:36:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7009819466573758095.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9420893911905957131.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7009819466573758095.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality7009819466573758095.prop.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5389/5409 variables, and 428 constraints, problems are : Problem set: 3 solved, 1 unsolved in 3201 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 424/438 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 4/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 256/257 variables, 1/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/257 variables, 0/1 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4944/5201 variables, 258/259 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5201 variables, 130/389 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5201 variables, 1/390 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 90
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :880 after 5757
At refinement iteration 6 (INCLUDED_ONLY) 0/5201 variables, 0/390 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :5757 after 30816
At refinement iteration 7 (OVERLAPS) 147/5348 variables, 2/392 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :30816 after 484979
At refinement iteration 8 (INCLUDED_ONLY) 0/5348 variables, 130/522 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :484979 after 1.0931e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.0931e+06 after 1.71182e+06
At refinement iteration 9 (INCLUDED_ONLY) 0/5348 variables, 0/522 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/5349 variables, 1/523 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5349 variables, 1/524 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5349 variables, 0/524 constraints. Problems are: Problem set: 3 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5409/5409 variables, and 572 constraints, problems are : Problem set: 3 solved, 1 unsolved in 5006 ms.
Refiners :[Positive P Invariants (semi-flows): 2/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 438/438 constraints, ReadFeed: 130/400 constraints, PredecessorRefiner: 1/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8822ms problems are : Problem set: 3 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7312/7312 transitions.
Graph (complete) has 12297 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.42 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 434 transition count 7184
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.71182e+06 after 3.92694e+06
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 433 transition count 7056
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 433 transition count 7056
Applied a total of 131 rules in 888 ms. Remains 433 /438 variables (removed 5) and now considering 7056/7312 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 907 ms. Remains : 433/438 places, 7056/7312 transitions.
RANDOM walk for 40013 steps (370 resets) in 909 ms. (43 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (52 resets) in 294 ms. (135 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 98590 steps, run timeout after 3001 ms. (steps per millisecond=32 ) properties seen :0 out of 1
Probabilistic random walk after 98590 steps, saw 77337 distinct states, run finished after 3013 ms. (steps per millisecond=32 ) properties seen :0
[2026-05-24 01:36:24] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17197053689358898162.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-2541077513622107916.kers'
[2026-05-24 01:36:24] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17197053689358898162.kers, --Pflows, --basisKERS=/tmp/petrispot-output-2541077513622107916.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4715 rows 433 cols 18286 entries
Finished phase 1 with 430 SingleSign rule and 0 generalized
[2026-05-24 01:36:24] [INFO ] Computed 3 invariants in 27 ms
Computed 3 P flows in 28 ms.
Exported basis to /tmp/petrispot-output-2541077513622107916.kers
Total runtime 33 ms.
[2026-05-24 01:36:24] [INFO ] State equation strengthened by 400 read => feed constraints.
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) 256/257 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/257 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.92694e+06 after 7.65897e+06
At refinement iteration 3 (OVERLAPS) 4688/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 145/5090 variables, 2/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5090 variables, 129/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5090 variables, 0/520 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 58/5148 variables, 45/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 270/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3878 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 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
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) 256/257 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/257 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4688/4945 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4945 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4945 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4945 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 145/5090 variables, 2/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5090 variables, 129/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5090 variables, 0/521 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 58/5148 variables, 45/566 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/567 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :7.65897e+06 after 1.18338e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10516 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14515ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 9 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 357 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 357 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 532 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2026-05-24 01:36:40] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 01:36:40] [INFO ] Invariant cache hit.
[2026-05-24 01:36:42] [INFO ] Implicit Places using invariants in 2658 ms returned []
[2026-05-24 01:36:42] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 01:36:42] [INFO ] Invariant cache hit.
[2026-05-24 01:36:44] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.18338e+07 after 1.5692e+07
[2026-05-24 01:37:14] [INFO ] Performed 38/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.5692e+07 after 1.90513e+07
[2026-05-24 01:37:48] [INFO ] Performed 68/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2026-05-24 01:38:18] [INFO ] Performed 371/433 implicitness test of which 0 returned IMPLICIT in 93 seconds.
[2026-05-24 01:38:48] [INFO ] Performed 421/433 implicitness test of which 0 returned IMPLICIT in 123 seconds.
[2026-05-24 01:38:48] [INFO ] Timeout of Implicit test with SMT after 123 seconds.
[2026-05-24 01:38:48] [INFO ] Implicit Places using invariants and state equation in 125668 ms returned []
Implicit Place search using SMT with State Equation took 128347 ms to find 0 implicit places.
[2026-05-24 01:38:49] [INFO ] Redundant transitions in 1375 ms returned []
Running 7054 sub problems to find dead transitions.
[2026-05-24 01:38:49] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2026-05-24 01:38:49] [INFO ] Invariant cache hit.
[2026-05-24 01:38:50] [INFO ] State equation strengthened by 400 read => feed constraints.
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :1.90513e+07 after 1.99497e+07
Error getting values : (error "Timeout of Z3 solver reached")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30445 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30167 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 79341ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 79409ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 209745 ms. Remains : 433/433 places, 7056/7056 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 2341 transitions
Reduce isomorphic transitions removed 2341 transitions.
Iterating post reduction 0 with 2341 rules applied. Total rules applied 2341 place count 433 transition count 4715
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 11 Pre rules applied. Total rules applied 2341 place count 433 transition count 4704
Deduced a syphon composed of 11 places in 2 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 2363 place count 422 transition count 4704
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 2 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 1 with 6 rules applied. Total rules applied 2369 place count 419 transition count 4701
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2370 place count 418 transition count 4573
Iterating global reduction 1 with 1 rules applied. Total rules applied 2371 place count 418 transition count 4573
Applied a total of 2371 rules in 327 ms. Remains 418 /433 variables (removed 15) and now considering 4573/7056 (removed 2483) transitions.
Running SMT prover for 1 properties.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8929186013500906991.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1732662761962860478.kers'
[2026-05-24 01:40:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8929186013500906991.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1732662761962860478.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4573 rows 418 cols 17746 entries
Finished phase 1 with 415 SingleSign rule and 0 generalized
[2026-05-24 01:40:09] [INFO ] Computed 3 invariants in 34 ms
Computed 3 P flows in 35 ms.
Exported basis to /tmp/petrispot-output-1732662761962860478.kers
Total runtime 41 ms.
[2026-05-24 01:40:09] [INFO ] [Real]Absence check using 3 positive place invariants in 8 ms returned sat
[2026-05-24 01:40:09] [INFO ] After 118ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 01:40:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 8 ms returned sat
[2026-05-24 01:40:13] [INFO ] After 3309ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 01:40:13] [INFO ] After 3948ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 01:40:14] [INFO ] After 4956ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 5489 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-24 01:40:15] [INFO ] Flatten gal took : 366 ms
[2026-05-24 01:40:15] [INFO ] Applying decomposition
[2026-05-24 01:40:15] [INFO ] Flatten gal took : 316 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph17286571691811098530.txt' '-o' '/tmp/graph17286571691811098530.bin' '-w' '/tmp/graph17286571691811098530.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph17286571691811098530.bin' '-l' '-1' '-v' '-w' '/tmp/graph17286571691811098530.weights' '-q' '0' '-e' '0.001'
[2026-05-24 01:40:16] [INFO ] Decomposing Gal with order
[2026-05-24 01:40:16] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 01:40:18] [INFO ] Removed a total of 17938 redundant transitions.
[2026-05-24 01:40:18] [INFO ] Flatten gal took : 814 ms
[2026-05-24 01:40:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 909 labels/synchronizations in 434 ms.
[2026-05-24 01:40:18] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2449929588982594794.gal : 56 ms
[2026-05-24 01:40:18] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality5963091111311905183.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2449929588982594794.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality5963091111311905183.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality5963091111311905183.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 7
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :7 after 142
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :142 after 156
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :156 after 942
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :942 after 24896
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :24896 after 532522
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :532522 after 1.09237e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1.09237e+06 after 1.10687e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :1.10687e+06 after 1.11222e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.11222e+06 after 1.39044e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :1.39044e+06 after 2.40857e+06
Detected timeout of ITS tools.
[2026-05-24 02:10:23] [INFO ] Flatten gal took : 2412 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin11474245906157198866
[2026-05-24 02:10:24] [INFO ] Too many transitions (7056) to apply POR reductions. Disabling POR matrices.
[2026-05-24 02:10:25] [INFO ] Applying decomposition
[2026-05-24 02:10:26] [INFO ] Built C files in 2019ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin11474245906157198866
Running compilation step : cd /tmp/ltsmin11474245906157198866;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/limit_time.pl' '720' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2026-05-24 02:10:28] [INFO ] Flatten gal took : 2711 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/convert-linux64' '-i' '/tmp/graph12226380596227767365.txt' '-o' '/tmp/graph12226380596227767365.bin' '-w' '/tmp/graph12226380596227767365.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph12226380596227767365.bin' '-l' '-1' '-v' '-w' '/tmp/graph12226380596227767365.weights' '-q' '0' '-e' '0.001'
[2026-05-24 02:10:35] [INFO ] Decomposing Gal with order
[2026-05-24 02:10:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-24 02:10:35] [INFO ] Removed a total of 17303 redundant transitions.
[2026-05-24 02:10:35] [INFO ] Flatten gal took : 431 ms
[2026-05-24 02:10:36] [INFO ] Fuse similar labels procedure discarded/fused a total of 923 labels/synchronizations in 309 ms.
[2026-05-24 02:10:36] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2696297685179135026.gal : 36 ms
[2026-05-24 02:10:36] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality615371976969384649.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality2696297685179135026.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality615371976969384649.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...306
Loading property file /tmp/ReachabilityCardinality615371976969384649.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 249
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :249 after 249
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :249 after 3794
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :3794 after 3986
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :3986 after 59525
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :59525 after 300884
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :300884 after 834315
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :834315 after 983262
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :983262 after 3.8929e+06
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :3.8929e+06 after 1.91546e+07
Compilation finished in 49234 ms.
Running link step : cd /tmp/ltsmin11474245906157198866;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 173 ms.
Running LTSmin : cd /tmp/ltsmin11474245906157198866;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202604301425/bin/pins2lts-seq-linux64' './gal.so' '-p' '--pins-guards' '--when' '-i' 'DoubleLockPTp1s3ReachabilityCardinality202404==true'
BK_TIME_CONFINEMENT_REACHED
--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityCardinality -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="DoubleLock-PT-p1s3"
export BK_EXAMINATION="ReachabilityCardinality"
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 2-5973"
echo " Executing tool itstools"
echo " Input is DoubleLock-PT-p1s3, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r114-smll-177955740300022"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s3.tgz
mv DoubleLock-PT-p1s3 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;
