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-177955740400198.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 Echo-PT-d04r03, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r114-smll-177955740400198
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 5.4K Mar 7 05:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 53K Mar 7 05:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Mar 7 05:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 73K Mar 7 05:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 5.9K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Mar 15 09:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Mar 15 09:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Mar 15 09:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 09:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Mar 7 05:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 215K Mar 7 05:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.8K Mar 7 05:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Mar 7 05:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 09:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 530K 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 Echo-PT-d04r03-ReachabilityCardinality-2024-00
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-01
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-02
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-03
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-04
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-05
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-06
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-07
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-08
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-09
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-10
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-11
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-12
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-13
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-14
FORMULA_NAME Echo-PT-d04r03-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779741938271

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Echo-PT-d04r03
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-25 20:45:40] [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]
[2026-05-25 20:45:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 20:45:40] [INFO ] Load time of PNML (sax parser for PT used): 283 ms
[2026-05-25 20:45:40] [INFO ] Transformed 1019 places.
[2026-05-25 20:45:40] [INFO ] Transformed 850 transitions.
[2026-05-25 20:45:40] [INFO ] Found NUPN structural information;
[2026-05-25 20:45:40] [INFO ] Parsed PT model containing 1019 places and 850 transitions and 6340 arcs in 446 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 37 ms.
Working with output stream class java.io.PrintStream
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40000 steps (244 resets) in 3827 ms. (10 steps per ms) remains 2/14 properties
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-13 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-02 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2026-05-25 20:45:42] [INFO ] Flatten gal took : 556 ms
BEST_FIRST walk for 40004 steps (8 resets) in 1627 ms. (24 steps per ms) remains 2/2 properties
[2026-05-25 20:45:42] [INFO ] Flatten gal took : 361 ms
BEST_FIRST walk for 40004 steps (8 resets) in 875 ms. (45 steps per ms) remains 1/2 properties
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-25 20:45:42] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2907929440653983301.gal : 109 ms
[2026-05-25 20:45:42] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3129823852824913218.prop : 7 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/ReachabilityCardinality2907929440653983301.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3129823852824913218.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
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5329366055949870504.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13889189207996486500.kers'
[2026-05-25 20:45:42] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5329366055949870504.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13889189207996486500.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 850 rows 1019 cols 6340 entries
Finished phase 1 with 2 SingleSign rule and 504 generalized
[2026-05-25 20:45:42] [INFO ] Computed 513 invariants in 22 ms
Computed 513 P flows in 23 ms.
Exported basis to /tmp/petrispot-output-13889189207996486500.kers
Total runtime 25 ms.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality3129823852824913218.prop.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 77/129 variables, 16/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 77/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 39/168 variables, 12/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/168 variables, 39/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/168 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 13
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :13 after 56
At refinement iteration 8 (OVERLAPS) 666/834 variables, 314/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :56 after 328
At refinement iteration 9 (INCLUDED_ONLY) 0/834 variables, 666/1176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :328 after 363
At refinement iteration 10 (INCLUDED_ONLY) 0/834 variables, 0/1176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 35/869 variables, 32/1208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :363 after 427
At refinement iteration 12 (INCLUDED_ONLY) 0/869 variables, 35/1243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/869 variables, 0/1243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/874 variables, 1/1244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/874 variables, 5/1249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/874 variables, 0/1249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 145/1019 variables, 138/1387 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1019 variables, 145/1532 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1019 variables, 0/1532 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :427 after 1400
At refinement iteration 20 (OVERLAPS) 850/1869 variables, 1019/2551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/1869 variables, 0/2551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/1869 variables, 0/2551 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1869/1869 variables, and 2551 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3907 ms.
Refiners :[Domain max(s): 1019/1019 constraints, Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 452/452 constraints, State Equation: 1019/1019 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) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 77/129 variables, 16/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 77/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 39/168 variables, 12/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/168 variables, 39/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/168 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 666/834 variables, 314/510 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/834 variables, 666/1176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :1400 after 3901
At refinement iteration 10 (INCLUDED_ONLY) 0/834 variables, 0/1176 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 35/869 variables, 32/1208 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/869 variables, 35/1243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/869 variables, 0/1243 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 5/874 variables, 1/1244 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/874 variables, 5/1249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/874 variables, 0/1249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 145/1019 variables, 138/1387 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/1019 variables, 145/1532 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/1019 variables, 5/1537 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1019/1869 variables, and 1537 constraints, problems are : Problem set: 0 solved, 1 unsolved in 5008 ms.
Refiners :[Domain max(s): 1019/1019 constraints, Positive P Invariants (semi-flows): 61/61 constraints, Generalized P Invariants (flows): 452/452 constraints, State Equation: 0/1019 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 5/5 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9130ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 52 out of 1019 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1019/1019 places, 850/850 transitions.
Graph (complete) has 4450 edges and 1019 vertex of which 942 are kept as prefixes of interest. Removing 77 places using SCC suffix rule.10 ms
Discarding 77 places :
Also discarding 0 output transitions
Partial Free-agglomeration rule applied 5 times.
Drop transitions (Partial Free agglomeration) removed 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 6 place count 942 transition count 850
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 0 with 1 rules applied. Total rules applied 7 place count 941 transition count 849
Applied a total of 7 rules in 362 ms. Remains 941 /1019 variables (removed 78) and now considering 849/850 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 381 ms. Remains : 941/1019 places, 849/850 transitions.
RANDOM walk for 40000 steps (252 resets) in 1558 ms. (25 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 737 ms. (54 steps per ms) remains 1/1 properties
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :3901 after 17053
Interrupted probabilistic random walk after 394846 steps, run timeout after 3001 ms. (steps per millisecond=131 ) properties seen :0 out of 1
Probabilistic random walk after 394846 steps, saw 70913 distinct states, run finished after 3008 ms. (steps per millisecond=131 ) properties seen :0
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-8949345752894430343.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3666134052383008235.kers'
[2026-05-25 20:45:55] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-8949345752894430343.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3666134052383008235.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 849 rows 941 cols 5960 entries
Finished phase 1 with 344 SingleSign rule and 161 generalized
[2026-05-25 20:45:56] [INFO ] Computed 436 invariants in 620 ms
Computed 436 P flows in 621 ms.
Exported basis to /tmp/petrispot-output-3666134052383008235.kers
Total runtime 626 ms.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 69/121 variables, 19/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 69/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 812/933 variables, 409/549 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/933 variables, 812/1361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/933 variables, 0/1361 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 8/941 variables, 8/1369 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/941 variables, 8/1377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :17053 after 29803
At refinement iteration 10 (INCLUDED_ONLY) 0/941 variables, 0/1377 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 849/1790 variables, 941/2318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/1790 variables, 0/2318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/1790 variables, 0/2318 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1790/1790 variables, and 2318 constraints, problems are : Problem set: 0 solved, 1 unsolved in 12544 ms.
Refiners :[Domain max(s): 941/941 constraints, Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 417/417 constraints, State Equation: 941/941 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) 0/52 variables, 52/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 69/121 variables, 19/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/121 variables, 69/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/121 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 812/933 variables, 409/549 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :29803 after 276650
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 933/1790 variables, and 1361 constraints, problems are : Problem set: 0 solved, 1 unsolved in 45026 ms.
Refiners :[Domain max(s): 933/941 constraints, Positive P Invariants (semi-flows): 19/19 constraints, Generalized P Invariants (flows): 409/417 constraints, State Equation: 0/941 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 58324ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 52 out of 941 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 941/941 places, 849/849 transitions.
Applied a total of 0 rules in 80 ms. Remains 941 /941 variables (removed 0) and now considering 849/849 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80 ms. Remains : 941/941 places, 849/849 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 941/941 places, 849/849 transitions.
Applied a total of 0 rules in 55 ms. Remains 941 /941 variables (removed 0) and now considering 849/849 (removed 0) transitions.
[2026-05-25 20:46:54] [INFO ] Invariant cache hit.
[2026-05-25 20:47:26] [INFO ] Performed 80/941 implicitness test of which 2 returned IMPLICIT in 30 seconds.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :276650 after 1.29373e+06
[2026-05-25 20:47:57] [INFO ] Performed 209/941 implicitness test of which 5 returned IMPLICIT in 60 seconds.
[2026-05-25 20:48:40] [INFO ] Performed 339/941 implicitness test of which 8 returned IMPLICIT in 104 seconds.
[2026-05-25 20:49:10] [INFO ] Performed 756/941 implicitness test of which 9 returned IMPLICIT in 134 seconds.
[2026-05-25 20:49:22] [INFO ] Implicit Places using invariants in 147855 ms returned [21, 71, 163, 197, 209, 224, 237, 271, 363]
Discarding 9 places :
Implicit Place search using SMT only with invariants took 147881 ms to find 9 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 932/941 places, 849/849 transitions.
Applied a total of 0 rules in 57 ms. Remains 932 /932 variables (removed 0) and now considering 849/849 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 147996 ms. Remains : 932/941 places, 849/849 transitions.
RANDOM walk for 40000 steps (252 resets) in 1008 ms. (39 steps per ms) remains 1/1 properties
BEST_FIRST walk for 36116 steps (7 resets) in 499 ms. (72 steps per ms) remains 0/1 properties
FORMULA Echo-PT-d04r03-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 222964 ms.

BK_STOP 1779742163149

--------------------
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="Echo-PT-d04r03"
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 Echo-PT-d04r03, 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-177955740400198"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Echo-PT-d04r03.tgz
mv Echo-PT-d04r03 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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;