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-177955740300015.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)
....................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DoubleLock-PT-p1s2, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740300015
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.7M
-rw-r--r-- 1 mcc users 4.9K Mar 6 18:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 46K Mar 6 18:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Mar 6 18:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K Mar 6 18:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 15 09:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 15 09:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 15 09:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Mar 6 18:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Mar 6 18:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Mar 6 18:10 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K 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-p1s2-ReachabilityFireability-2024-00
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-01
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-02
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-03
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-04
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-05
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-06
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-07
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-08
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-09
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-10
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-11
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-12
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-13
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-14
FORMULA_NAME DoubleLock-PT-p1s2-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779572539285

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s2
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-23 21:42:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-23 21:42:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-23 21:42:22] [INFO ] Load time of PNML (sax parser for PT used): 957 ms
[2026-05-23 21:42:22] [INFO ] Transformed 570 places.
[2026-05-23 21:42:22] [INFO ] Transformed 7600 transitions.
[2026-05-23 21:42:22] [INFO ] Parsed PT model containing 570 places and 7600 transitions and 30784 arcs in 1236 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 23 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 132 places in 30 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40011 steps (353 resets) in 3886 ms. (10 steps per ms) remains 11/15 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-06 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40004 steps (44 resets) in 545 ms. (73 steps per ms) remains 11/11 properties
BEST_FIRST walk for 40004 steps (53 resets) in 594 ms. (67 steps per ms) remains 9/11 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-14 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-12 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (51 resets) in 1209 ms. (33 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (56 resets) in 373 ms. (106 steps per ms) remains 8/9 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-04 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (55 resets) in 302 ms. (132 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (55 resets) in 326 ms. (122 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (48 resets) in 267 ms. (149 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (46 resets) in 517 ms. (77 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (49 resets) in 489 ms. (81 steps per ms) remains 8/8 properties
[2026-05-23 21:42:25] [INFO ] Flow matrix only has 5003 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-4450946959156477103.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5596178441384290528.kers'
[2026-05-23 21:42:26] [INFO ] Flatten gal took : 1703 ms
[2026-05-23 21:42:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4450946959156477103.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5596178441384290528.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 3 ms.
// Phase 1: matrix 5003 rows 437 cols 19438 entries
Finished phase 1 with 434 SingleSign rule and 0 generalized
[2026-05-23 21:42:26] [INFO ] Computed 4 invariants in 62 ms
Computed 4 P flows in 74 ms.
Exported basis to /tmp/petrispot-output-5596178441384290528.kers
Total runtime 81 ms.
[2026-05-23 21:42:26] [INFO ] Flatten gal took : 491 ms
[2026-05-23 21:42:26] [INFO ] State equation strengthened by 400 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
[2026-05-23 21:42:26] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11082635727992837535.gal : 343 ms
[2026-05-23 21:42:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14743242241646413549.prop : 6 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/ReachabilityCardinality11082635727992837535.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14743242241646413549.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 ...330
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
Problem DoubleLock-PT-p1s2-ReachabilityFireability-2024-00 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-00 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityFireability-2024-11 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-11 TRUE TECHNIQUES SMT_REFINEMENT
Problem DoubleLock-PT-p1s2-ReachabilityFireability-2024-13 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-13 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 320/432 variables, 3/3 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/432 variables, 0/3 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 1/433 variables, 1/4 constraints. Problems are: Problem set: 3 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/433 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 5 unsolved
Loading property file /tmp/ReachabilityCardinality14743242241646413549.prop.
SDD proceeding with computation,8 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,8 properties remain. new max is 8
SDD size :12 after 90
SDD proceeding with computation,8 properties remain. new max is 16
SDD size :90 after 880
SDD proceeding with computation,8 properties remain. new max is 32
SDD size :880 after 5757
SDD proceeding with computation,8 properties remain. new max is 64
SDD size :5757 after 46973
At refinement iteration 5 (OVERLAPS) 5003/5436 variables, 433/437 constraints. Problems are: Problem set: 3 solved, 5 unsolved
SDD proceeding with computation,8 properties remain. new max is 128
SDD size :46973 after 499422
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5436/5441 variables, and 837 constraints, problems are : Problem set: 3 solved, 5 unsolved in 5049 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/438 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 8/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/66 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 5 unsolved
SDD proceeding with computation,8 properties remain. new max is 256
SDD size :499422 after 1.02691e+06
At refinement iteration 1 (OVERLAPS) 361/427 variables, 3/3 constraints. Problems are: Problem set: 3 solved, 5 unsolved
SDD proceeding with computation,8 properties remain. new max is 512
SDD size :1.02691e+06 after 1.60956e+06
SDD proceeding with computation,8 properties remain. new max is 1024
SDD size :1.60956e+06 after 3.8095e+06
Problem DoubleLock-PT-p1s2-ReachabilityFireability-2024-01 is UNSAT
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-01 TRUE TECHNIQUES SMT_REFINEMENT
SMT process timed out in 11600ms, After SMT, problems are : Problem set: 4 solved, 4 unsolved
Fused 4 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 43 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7344/7344 transitions.
Graph (complete) has 12357 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.28 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 56 transitions
Reduce isomorphic transitions removed 56 transitions.
Iterating post reduction 0 with 56 rules applied. Total rules applied 57 place count 434 transition count 7288
Applied a total of 57 rules in 578 ms. Remains 434 /438 variables (removed 4) and now considering 7288/7344 (removed 56) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 589 ms. Remains : 434/438 places, 7288/7344 transitions.
RANDOM walk for 40003 steps (345 resets) in 582 ms. (68 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (53 resets) in 328 ms. (121 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (57 resets) in 192 ms. (207 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (55 resets) in 200 ms. (199 steps per ms) remains 3/4 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (49 resets) in 135 ms. (294 steps per ms) remains 3/3 properties
[2026-05-23 21:42:38] [INFO ] Flow matrix only has 4947 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-7225060814184199979.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10391842465383842973.kers'
[2026-05-23 21:42:38] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7225060814184199979.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10391842465383842973.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4947 rows 434 cols 18942 entries
Finished phase 1 with 431 SingleSign rule and 1 generalized
[2026-05-23 21:42:38] [INFO ] Computed 2 invariants in 30 ms
Computed 2 P flows in 30 ms.
Exported basis to /tmp/petrispot-output-10391842465383842973.kers
Total runtime 35 ms.
[2026-05-23 21:42:38] [INFO ] State equation strengthened by 400 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 8/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 129/178 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,8 properties remain. new max is 2048
SDD size :3.8095e+06 after 7.6463e+06
At refinement iteration 5 (OVERLAPS) 4448/4626 variables, 178/180 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4626 variables, 166/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4626 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,8 properties remain. new max is 4096
SDD size :7.6463e+06 after 1.14644e+07
SDD proceeding with computation,8 properties remain. new max is 8192
SDD size :1.14644e+07 after 1.47334e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5381/5381 variables, and 602 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45016 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 166/400 constraints, PredecessorRefiner: 3/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 8/49 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/49 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 129/178 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/178 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 4448/4626 variables, 178/180 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4626 variables, 166/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4626 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,8 properties remain. new max is 16384
SDD size :1.47334e+07 after 1.77347e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5381/5381 variables, and 602 constraints, problems are : Problem set: 0 solved, 3 unsolved in 45023 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 166/400 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 90171ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 41 out of 434 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 7288/7288 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 57 transitions
Reduce isomorphic transitions removed 57 transitions.
Iterating post reduction 0 with 57 rules applied. Total rules applied 57 place count 434 transition count 7231
Applied a total of 57 rules in 312 ms. Remains 434 /434 variables (removed 0) and now considering 7231/7288 (removed 57) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 318 ms. Remains : 434/434 places, 7231/7288 transitions.
RANDOM walk for 40006 steps (342 resets) in 622 ms. (64 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (50 resets) in 227 ms. (175 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (53 resets) in 186 ms. (213 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (46 resets) in 141 ms. (281 steps per ms) remains 2/3 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-10 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-23 21:44:09] [INFO ] Flow matrix only has 4890 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-3399189047219840041.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15612789832084855577.kers'
[2026-05-23 21:44:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-3399189047219840041.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15612789832084855577.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4890 rows 434 cols 18828 entries
Finished phase 1 with 431 SingleSign rule and 1 generalized
[2026-05-23 21:44:09] [INFO ] Computed 2 invariants in 26 ms
Computed 2 P flows in 26 ms.
Exported basis to /tmp/petrispot-output-15612789832084855577.kers
Total runtime 31 ms.
[2026-05-23 21:44:09] [INFO ] State equation strengthened by 400 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 129/177 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4444/4621 variables, 177/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4621 variables, 164/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4621 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 703/5324 variables, 257/600 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5324 variables, 236/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5324 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/5324 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5324/5324 variables, and 836 constraints, problems are : Problem set: 0 solved, 2 unsolved in 6271 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/40 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 8/48 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/48 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 129/177 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/177 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 4444/4621 variables, 177/179 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4621 variables, 164/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4621 variables, 0/343 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 703/5324 variables, 257/600 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5324 variables, 236/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5324 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/5324 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5324/5324 variables, and 836 constraints, problems are : Problem set: 0 solved, 2 unsolved in 15706 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 2/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 22080ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 1115 ms.
Support contains 40 out of 434 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 7231/7231 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 434 transition count 7229
Applied a total of 2 rules in 264 ms. Remains 434 /434 variables (removed 0) and now considering 7229/7231 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 265 ms. Remains : 434/434 places, 7229/7231 transitions.
RANDOM walk for 40005 steps (344 resets) in 485 ms. (82 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40004 steps (50 resets) in 259 ms. (153 steps per ms) remains 1/2 properties
FORMULA DoubleLock-PT-p1s2-ReachabilityFireability-2024-03 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (56 resets) in 139 ms. (285 steps per ms) remains 1/1 properties
[2026-05-23 21:44:33] [INFO ] Flow matrix only has 4888 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-7041748392410867014.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6754378513345573660.kers'
[2026-05-23 21:44:33] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7041748392410867014.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6754378513345573660.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4888 rows 434 cols 18824 entries
Finished phase 1 with 431 SingleSign rule and 1 generalized
[2026-05-23 21:44:33] [INFO ] Computed 2 invariants in 29 ms
Computed 2 P flows in 29 ms.
Exported basis to /tmp/petrispot-output-6754378513345573660.kers
Total runtime 36 ms.
[2026-05-23 21:44:33] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 146/163 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3964/4127 variables, 163/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/4127 variables, 15/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4127 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5322/5322 variables, and 451 constraints, problems are : Problem set: 0 solved, 1 unsolved in 10500 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 15/400 constraints, PredecessorRefiner: 1/0 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 146/163 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3964/4127 variables, 163/165 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4127 variables, 15/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4127 variables, 0/180 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5322/5322 variables, and 451 constraints, problems are : Problem set: 0 solved, 1 unsolved in 13221 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 434/434 constraints, ReadFeed: 15/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 23826ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1 ms.
Support contains 4 out of 434 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 434/434 places, 7229/7229 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 434 transition count 7218
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 433 transition count 7090
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 433 transition count 7090
Applied a total of 13 rules in 534 ms. Remains 433 /434 variables (removed 1) and now considering 7090/7229 (removed 139) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 539 ms. Remains : 433/434 places, 7090/7229 transitions.
RANDOM walk for 40008 steps (347 resets) in 383 ms. (104 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (53 resets) in 145 ms. (274 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 126745 steps, run timeout after 3001 ms. (steps per millisecond=42 ) properties seen :0 out of 1
Probabilistic random walk after 126745 steps, saw 98796 distinct states, run finished after 3009 ms. (steps per millisecond=42 ) properties seen :0
[2026-05-23 21:45:00] [INFO ] Flow matrix only has 4749 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-1902249334370589105.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-15421979691126879612.kers'
[2026-05-23 21:45:00] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-1902249334370589105.kers, --Pflows, --basisKERS=/tmp/petrispot-output-15421979691126879612.kers]
Culled 0 columns in 3 ms.
// Phase 1: matrix 4749 rows 433 cols 18418 entries
Finished phase 1 with 430 SingleSign rule and 1 generalized
[2026-05-23 21:45:00] [INFO ] Computed 2 invariants in 28 ms
Computed 2 P flows in 29 ms.
Exported basis to /tmp/petrispot-output-15421979691126879612.kers
Total runtime 34 ms.
[2026-05-23 21:45:00] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 145/162 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3836/3998 variables, 162/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/3998 variables, 15/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3998 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1184/5182 variables, 271/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5182 variables, 385/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5182 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/5182 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5182/5182 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3355 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 145/162 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/162 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 3836/3998 variables, 162/164 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/3998 variables, 15/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/3998 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1184/5182 variables, 271/450 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,8 properties remain. new max is 32768
SDD size :1.77347e+07 after 1.8527e+07
At refinement iteration 9 (INCLUDED_ONLY) 0/5182 variables, 385/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5182 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/5182 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5182/5182 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 11136 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 14574ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 185 ms.
Support contains 4 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7090/7090 transitions.
Applied a total of 0 rules in 262 ms. Remains 433 /433 variables (removed 0) and now considering 7090/7090 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 262 ms. Remains : 433/433 places, 7090/7090 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7090/7090 transitions.
Applied a total of 0 rules in 234 ms. Remains 433 /433 variables (removed 0) and now considering 7090/7090 (removed 0) transitions.
[2026-05-23 21:45:15] [INFO ] Flow matrix only has 4749 transitions (discarded 2341 similar events)
[2026-05-23 21:45:15] [INFO ] Invariant cache hit.
[2026-05-23 21:45:16] [INFO ] Implicit Places using invariants in 896 ms returned []
[2026-05-23 21:45:16] [INFO ] Flow matrix only has 4749 transitions (discarded 2341 similar events)
[2026-05-23 21:45:16] [INFO ] Invariant cache hit.
[2026-05-23 21:45:18] [INFO ] State equation strengthened by 400 read => feed constraints.
[2026-05-23 21:45:50] [INFO ] Performed 37/433 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2026-05-23 21:46:20] [INFO ] Performed 296/433 implicitness test of which 0 returned IMPLICIT in 62 seconds.
[2026-05-23 21:46:51] [INFO ] Performed 417/433 implicitness test of which 0 returned IMPLICIT in 92 seconds.
[2026-05-23 21:47:10] [INFO ] Implicit Places using invariants and state equation in 113729 ms returned []
Implicit Place search using SMT with State Equation took 114650 ms to find 0 implicit places.
[2026-05-23 21:47:11] [INFO ] Redundant transitions in 932 ms returned []
Running 7088 sub problems to find dead transitions.
[2026-05-23 21:47:11] [INFO ] Flow matrix only has 4749 transitions (discarded 2341 similar events)
[2026-05-23 21:47:11] [INFO ] Invariant cache hit.
[2026-05-23 21:47:11] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7088 unsolved
SMT process timed out in 47776ms, After SMT, problems are : Problem set: 0 solved, 7088 unsolved
Search for dead transitions found 0 dead transitions in 47810ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 163736 ms. Remains : 433/433 places, 7090/7090 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 4749
Performed 8 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 8 Pre rules applied. Total rules applied 2341 place count 433 transition count 4741
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 2357 place count 425 transition count 4741
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 2363 place count 422 transition count 4738
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 2364 place count 421 transition count 4610
Iterating global reduction 1 with 1 rules applied. Total rules applied 2365 place count 421 transition count 4610
Free-agglomeration rule applied 2 times.
Iterating global reduction 1 with 2 rules applied. Total rules applied 2367 place count 421 transition count 4608
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 2369 place count 419 transition count 4608
Applied a total of 2369 rules in 378 ms. Remains 419 /433 variables (removed 14) and now considering 4608/7090 (removed 2482) 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-4771322550160961406.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14668032733332129746.kers'
[2026-05-23 21:47:59] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4771322550160961406.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14668032733332129746.kers]
Culled 0 columns in 7 ms.
// Phase 1: matrix 4608 rows 419 cols 17880 entries
Finished phase 1 with 416 SingleSign rule and 1 generalized
[2026-05-23 21:47:59] [INFO ] Computed 2 invariants in 47 ms
Computed 2 P flows in 50 ms.
Exported basis to /tmp/petrispot-output-14668032733332129746.kers
Total runtime 54 ms.
[2026-05-23 21:47:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-23 21:48:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 21:48:01] [INFO ] After 1759ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-23 21:48:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2026-05-23 21:48:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-23 21:48:04] [INFO ] After 2645ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-23 21:48:08] [INFO ] After 6353ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-23 21:48:11] [INFO ] After 10277ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 12518 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2026-05-23 21:48:12] [INFO ] Flatten gal took : 327 ms
[2026-05-23 21:48:12] [INFO ] Applying decomposition
[2026-05-23 21:48:12] [INFO ] Flatten gal took : 295 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/graph15904634830309052707.txt' '-o' '/tmp/graph15904634830309052707.bin' '-w' '/tmp/graph15904634830309052707.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph15904634830309052707.bin' '-l' '-1' '-v' '-w' '/tmp/graph15904634830309052707.weights' '-q' '0' '-e' '0.001'
[2026-05-23 21:48:13] [INFO ] Decomposing Gal with order
[2026-05-23 21:48:13] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 21:48:14] [INFO ] Removed a total of 17779 redundant transitions.
[2026-05-23 21:48:15] [INFO ] Flatten gal took : 808 ms
[2026-05-23 21:48:15] [INFO ] Fuse similar labels procedure discarded/fused a total of 1088 labels/synchronizations in 551 ms.
[2026-05-23 21:48:15] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2592566884472374847.gal : 46 ms
[2026-05-23 21:48:15] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality7901399821900983732.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/ReachabilityCardinality2592566884472374847.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality7901399821900983732.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/ReachabilityCardinality7901399821900983732.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1789
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1789 after 1789
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1789 after 1789
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1789 after 16041
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :16041 after 16257
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :16257 after 16257
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :16257 after 82068
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :82068 after 82716
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :82716 after 321983
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :321983 after 2.43105e+06
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :2.43105e+06 after 8.02174e+06
Detected timeout of ITS tools.
[2026-05-23 22:18:16] [INFO ] Flatten gal took : 166 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin12321879010570522425
[2026-05-23 22:18:16] [INFO ] Too many transitions (7090) to apply POR reductions. Disabling POR matrices.
[2026-05-23 22:18:16] [INFO ] Applying decomposition
[2026-05-23 22:18:16] [INFO ] Built C files in 156ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12321879010570522425
Running compilation step : cd /tmp/ltsmin12321879010570522425;'/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'
[2026-05-23 22:18:16] [INFO ] Flatten gal took : 177 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/graph10521741525016555472.txt' '-o' '/tmp/graph10521741525016555472.bin' '-w' '/tmp/graph10521741525016555472.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202604301425/bin/louvain-linux64' '/tmp/graph10521741525016555472.bin' '-l' '-1' '-v' '-w' '/tmp/graph10521741525016555472.weights' '-q' '0' '-e' '0.001'
[2026-05-23 22:18:17] [INFO ] Decomposing Gal with order
[2026-05-23 22:18:17] [INFO ] Rewriting arrays to variables to allow decomposition.
[2026-05-23 22:18:18] [INFO ] Removed a total of 17401 redundant transitions.
[2026-05-23 22:18:18] [INFO ] Flatten gal took : 396 ms
[2026-05-23 22:18:18] [INFO ] Fuse similar labels procedure discarded/fused a total of 792 labels/synchronizations in 284 ms.
[2026-05-23 22:18:18] [INFO ] Time to serialize gal into /tmp/ReachabilityFireability6722987740322361329.gal : 42 ms
[2026-05-23 22:18:18] [INFO ] Time to serialize properties into /tmp/ReachabilityFireability6370086226153840428.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/ReachabilityFireability6722987740322361329.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityFireability6370086226153840428.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/ReachabilityFireability6370086226153840428.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :1 after 137
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :137 after 425
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :425 after 425
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :425 after 2871
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :2871 after 12675
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :12675 after 96125
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :96125 after 800919
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :800919 after 2.39257e+06
Compilation finished in 43785 ms.
Running link step : cd /tmp/ltsmin12321879010570522425;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 102 ms.
Running LTSmin : cd /tmp/ltsmin12321879010570522425;'/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' 'DoubleLockPTp1s2ReachabilityFireability202407==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
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -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 ReachabilityFireability -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-p1s2"
export BK_EXAMINATION="ReachabilityFireability"
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-p1s2, examination is ReachabilityFireability"
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-177955740300015"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s2.tgz
mv DoubleLock-PT-p1s2 execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "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 [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "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 "ReachabilityFireability.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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
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 ;