Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/sdalzilio/mcc2026-input.r178-oct2-177969019800038.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/sdalzilio/mcc2026-input.qcow2 backing_fmt=qcow2 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 Medical-PT-10, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r178-oct2-177969019800038
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.6M
-rw-r--r-- 1 mcc users 6.8K Mar 7 18:16 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Mar 7 18:16 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Mar 7 18:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 59K Mar 7 18:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 11:22 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 11:22 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Mar 15 11:22 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Mar 15 11:22 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Mar 7 18:16 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 116K Mar 7 18:16 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 18:16 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K Mar 7 18:16 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Mar 15 11:22 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 11:22 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 3.1M 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 Medical-PT-10-ReachabilityCardinality-2024-00
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-01
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-02
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-03
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-04
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-05
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-06
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-07
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-08
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-09
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-10
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-11
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-12
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-13
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-14
FORMULA_NAME Medical-PT-10-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779691712157

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Medical-PT-10
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-25 06:48:33] [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 06:48:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 06:48:33] [INFO ] Load time of PNML (sax parser for PT used): 299 ms
[2026-05-25 06:48:34] [INFO ] Transformed 312 places.
[2026-05-25 06:48:34] [INFO ] Transformed 5431 transitions.
[2026-05-25 06:48:34] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 457 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 18 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 242 places in 17 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-10-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-10-ReachabilityCardinality-2024-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 40004 steps (217 resets) in 1203 ms. (33 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (13 resets) in 350 ms. (113 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (38 resets) in 116 ms. (341 steps per ms) remains 3/3 properties
[2026-05-25 06:48:34] [INFO ] Flatten gal took : 126 ms
BEST_FIRST walk for 40002 steps (43 resets) in 295 ms. (135 steps per ms) remains 3/3 properties
[2026-05-25 06:48:34] [INFO ] Flatten gal took : 47 ms
[2026-05-25 06:48:34] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6006088292727514074.gal : 22 ms
[2026-05-25 06:48:34] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality219450158818373304.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/ReachabilityCardinality6006088292727514074.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality219450158818373304.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 ...327
Loading property file /tmp/ReachabilityCardinality219450158818373304.prop.
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :4 after 10
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :10 after 35
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :35 after 120
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :120 after 1012
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :1012 after 32978
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :32978 after 180554
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :180554 after 474562
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :474562 after 1.06143e+06
Interrupted probabilistic random walk after 347651 steps, run timeout after 3001 ms. (steps per millisecond=115 ) properties seen :0 out of 3
Probabilistic random walk after 347651 steps, saw 200854 distinct states, run finished after 3012 ms. (steps per millisecond=115 ) properties seen :0
[2026-05-25 06:48:37] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4116096312488220595.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-6759923984583168067.kers'
[2026-05-25 06:48:37] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4116096312488220595.kers, --Pflows, --basisKERS=/tmp/petrispot-output-6759923984583168067.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 182 rows 69 cols 762 entries
Finished phase 1 with 59 SingleSign rule and 0 generalized
[2026-05-25 06:48:37] [INFO ] Computed 10 invariants in 0 ms
Computed 10 P flows in 14 ms.
Exported basis to /tmp/petrispot-output-6759923984583168067.kers
Total runtime 14 ms.
[2026-05-25 06:48:37] [INFO ] State equation strengthened by 56 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Problem Medical-PT-10-ReachabilityCardinality-2024-04 is UNSAT
FORMULA Medical-PT-10-ReachabilityCardinality-2024-04 FALSE TECHNIQUES SMT_REFINEMENT
Problem Medical-PT-10-ReachabilityCardinality-2024-12 is UNSAT
FORMULA Medical-PT-10-ReachabilityCardinality-2024-12 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 20/30 variables, 5/5 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/30 variables, 0/5 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 142/172 variables, 30/35 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/172 variables, 41/76 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/172 variables, 0/76 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 75/247 variables, 36/112 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/247 variables, 3/115 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/247 variables, 14/129 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/247 variables, 0/129 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/250 variables, 2/131 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/250 variables, 1/132 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/250 variables, 0/132 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 1/251 variables, 2/134 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/251 variables, 1/135 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/251 variables, 0/135 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/251 variables, 0/135 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 251/251 variables, and 135 constraints, problems are : Problem set: 2 solved, 1 unsolved in 307 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 69/69 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 120/137 variables, 17/20 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 40/60 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/137 variables, 0/60 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 87/224 variables, 34/94 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/224 variables, 3/97 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/224 variables, 14/111 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/224 variables, 0/111 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/227 variables, 1/112 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 1/113 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/227 variables, 0/113 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 23/250 variables, 16/129 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/250 variables, 2/131 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/250 variables, 2/133 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/250 variables, 1/134 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/250 variables, 1/135 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/250 variables, 0/135 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 1/251 variables, 1/136 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/251 variables, 1/137 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/251 variables, 1/138 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/251 variables, 0/138 constraints. Problems are: Problem set: 2 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/251 variables, 0/138 constraints. Problems are: Problem set: 2 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 251/251 variables, and 138 constraints, problems are : Problem set: 2 solved, 1 unsolved in 398 ms.
Refiners :[Positive P Invariants (semi-flows): 10/10 constraints, State Equation: 69/69 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 1/3 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 796ms problems are : Problem set: 2 solved, 1 unsolved
Parikh walk visited 0 properties in 29 ms.
Support contains 4 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 227/227 transitions.
Graph (complete) has 347 edges and 69 vertex of which 67 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 67 transition count 224
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 64 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 63 transition count 224
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 63 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 13 place count 61 transition count 222
Applied a total of 13 rules in 58 ms. Remains 61 /69 variables (removed 8) and now considering 222/227 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 64 ms. Remains : 61/69 places, 222/227 transitions.
RANDOM walk for 40009 steps (8 resets) in 212 ms. (187 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 195 ms. (204 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1237328 steps, run timeout after 3001 ms. (steps per millisecond=412 ) properties seen :0 out of 1
Probabilistic random walk after 1237328 steps, saw 703710 distinct states, run finished after 3001 ms. (steps per millisecond=412 ) properties seen :0
[2026-05-25 06:48:41] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-15868542215873834014.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14066412527958296927.kers'
[2026-05-25 06:48:41] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-15868542215873834014.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14066412527958296927.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 176 rows 60 cols 690 entries
Finished phase 1 with 53 SingleSign rule and 0 generalized
[2026-05-25 06:48:41] [INFO ] Computed 8 invariants in 1 ms
Computed 8 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-14066412527958296927.kers
Total runtime 2 ms.
[2026-05-25 06:48:41] [INFO ] State equation strengthened by 57 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) 5/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 93/102 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 23/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 101/203 variables, 31/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/203 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/203 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/203 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 34/237 variables, 21/118 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/237 variables, 4/122 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/237 variables, 4/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/237 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/237 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 126 constraints, problems are : Problem set: 0 solved, 1 unsolved in 120 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 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) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/9 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 93/102 variables, 9/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/102 variables, 23/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/102 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 101/203 variables, 31/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/203 variables, 2/67 constraints. Problems are: Problem set: 0 solved, 1 unsolved
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :1.06143e+06 after 2.23403e+06
At refinement iteration 8 (INCLUDED_ONLY) 0/203 variables, 30/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/203 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/203 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 34/237 variables, 21/119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/237 variables, 4/123 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/237 variables, 4/127 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/237 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/237 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 0/237 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 128 constraints, problems are : Problem set: 0 solved, 1 unsolved in 175 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 312ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 18 ms.
Support contains 4 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 6 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 5 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2026-05-25 06:48:42] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-25 06:48:42] [INFO ] Invariant cache hit.
[2026-05-25 06:48:42] [INFO ] Implicit Places using invariants in 66 ms returned []
[2026-05-25 06:48:42] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-25 06:48:42] [INFO ] Invariant cache hit.
[2026-05-25 06:48:42] [INFO ] State equation strengthened by 57 read => feed constraints.
[2026-05-25 06:48:42] [INFO ] Implicit Places using invariants and state equation in 171 ms returned []
Implicit Place search using SMT with State Equation took 247 ms to find 0 implicit places.
[2026-05-25 06:48:42] [INFO ] Redundant transitions in 4 ms returned []
Running 221 sub problems to find dead transitions.
[2026-05-25 06:48:42] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2026-05-25 06:48:42] [INFO ] Invariant cache hit.
[2026-05-25 06:48:42] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 127 constraints, problems are : Problem set: 0 solved, 221 unsolved in 8070 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 221 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD88 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 221/348 constraints. Problems are: Problem set: 43 solved, 178 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 3/351 constraints. Problems are: Problem set: 43 solved, 178 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 1/352 constraints. Problems are: Problem set: 43 solved, 178 unsolved
Problem TDEAD64 is UNSAT
Problem TDEAD89 is UNSAT
Problem TDEAD112 is UNSAT
Problem TDEAD113 is UNSAT
Problem TDEAD120 is UNSAT
Problem TDEAD141 is UNSAT
Problem TDEAD148 is UNSAT
Problem TDEAD198 is UNSAT
Problem TDEAD200 is UNSAT
Problem TDEAD201 is UNSAT
Problem TDEAD202 is UNSAT
Problem TDEAD92 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 5/357 constraints. Problems are: Problem set: 55 solved, 166 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/237 variables, 1/358 constraints. Problems are: Problem set: 55 solved, 166 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/237 variables, 1/359 constraints. Problems are: Problem set: 55 solved, 166 unsolved
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :2.23403e+06 after 4.57809e+06
At refinement iteration 11 (INCLUDED_ONLY) 0/237 variables, 1/360 constraints. Problems are: Problem set: 55 solved, 166 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 237/237 variables, and 360 constraints, problems are : Problem set: 55 solved, 166 unsolved in 30028 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 8/8 constraints, Known Traps Along Path: 5/5 constraints]
After SMT, in 38210ms problems are : Problem set: 55 solved, 166 unsolved
Search for dead transitions found 55 dead transitions in 38214ms
Found 55 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 55 transitions
Dead transitions reduction (with SMT) removed 55 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/61 places, 167/222 transitions.
Reduce places removed 10 places and 58 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 51 transition count 109
Reduce places removed 7 places and 31 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 17 place count 44 transition count 78
Reduce places removed 2 places and 10 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 19 place count 42 transition count 68
Reduce places removed 3 places and 11 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 22 place count 39 transition count 57
Reduce places removed 1 places and 4 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 23 place count 38 transition count 53
Deduced a syphon composed of 1 places in 0 ms
Applied a total of 23 rules in 5 ms. Remains 38 /61 variables (removed 23) and now considering 53/167 (removed 114) transitions.
[2026-05-25 06:49:20] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13871311584798651387.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-11674870201836736367.kers'
[2026-05-25 06:49:20] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13871311584798651387.kers, --Pflows, --basisKERS=/tmp/petrispot-output-11674870201836736367.kers]
Culling trivial invariants: removing 1 columns.
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 4 columns in 0 ms.
// Phase 1: matrix 47 rows 34 cols 153 entries
Finished phase 1 with 29 SingleSign rule and 0 generalized
[2026-05-25 06:49:20] [INFO ] Computed 9 invariants in 0 ms
Computed 9 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-11674870201836736367.kers
Total runtime 0 ms.
[2026-05-25 06:49:20] [INFO ] Implicit Places using invariants in 70 ms returned []
[2026-05-25 06:49:20] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
[2026-05-25 06:49:20] [INFO ] Invariant cache hit.
[2026-05-25 06:49:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2026-05-25 06:49:20] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 38/61 places, 53/222 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 38694 ms. Remains : 38/61 places, 53/222 transitions.
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
RANDOM walk for 40021 steps (8 resets) in 49 ms. (800 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1981083 steps, run timeout after 3001 ms. (steps per millisecond=660 ) properties seen :0 out of 1
Probabilistic random walk after 1981083 steps, saw 1149963 distinct states, run finished after 3001 ms. (steps per millisecond=660 ) properties seen :0
[2026-05-25 06:49:23] [INFO ] Flow matrix only has 47 transitions (discarded 6 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-7215337370965262900.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18344180307095030911.kers'
[2026-05-25 06:49:23] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7215337370965262900.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18344180307095030911.kers]
Culling duplicate invariants (modulo rational): removing 3 columns.
Culled 3 columns in 0 ms.
// Phase 1: matrix 47 rows 34 cols 153 entries
Finished phase 1 with 29 SingleSign rule and 0 generalized
[2026-05-25 06:49:23] [INFO ] Computed 8 invariants in 0 ms
Computed 8 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-18344180307095030911.kers
Total runtime 0 ms.
[2026-05-25 06:49:23] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/2 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem Medical-PT-10-ReachabilityCardinality-2024-01 is UNSAT
FORMULA Medical-PT-10-ReachabilityCardinality-2024-01 FALSE TECHNIQUES SMT_REFINEMENT
After SMT solving in domain Real declared 5/84 variables, and 2 constraints, problems are : Problem set: 1 solved, 0 unsolved in 25 ms.
Refiners :[Positive P Invariants (semi-flows): 2/8 constraints, State Equation: 0/37 constraints, ReadFeed: 0/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 36ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
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 50485 ms.

BK_STOP 1779691764103

--------------------
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="Medical-PT-10"
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 Medical-PT-10, 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 r178-oct2-177969019800038"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-10.tgz
mv Medical-PT-10 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 ;