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.r082-smll-177946993600214.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2026-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5973
Executing tool itstools
Input is DBSingleClientW-PT-d2m06, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r082-smll-177946993600214
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.1M
-rw-r--r-- 1 mcc users 9.5K Mar 6 18:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 109K Mar 6 18:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 18:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Mar 6 18:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 15 08:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K Mar 15 08:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 08:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 08:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Mar 6 18:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Mar 6 18:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.4K Mar 6 18:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Mar 6 18:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 08:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 08:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 1.6M 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 DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-00
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-01
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-02
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-03
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-04
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-05
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-06
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-07
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-08
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-09
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-10
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-11
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-12
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-13
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-14
FORMULA_NAME DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-15

=== Now, execution of the tool begins

BK_START 1779605382417

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DBSingleClientW-PT-d2m06
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202604301425
[2026-05-24 06:49:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-24 06:49:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-24 06:49:45] [INFO ] Load time of PNML (sax parser for PT used): 491 ms
[2026-05-24 06:49:45] [INFO ] Transformed 4763 places.
[2026-05-24 06:49:45] [INFO ] Transformed 2478 transitions.
[2026-05-24 06:49:45] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 749 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 60 ms.
Working with output stream class java.io.PrintStream
Deduced a syphon composed of 3580 places in 27 ms
Reduce places removed 3580 places and 0 transitions.
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2026-05-24 06:49:47] [INFO ] Flatten gal took : 871 ms
[2026-05-24 06:49:47] [INFO ] Flatten gal took : 198 ms
RANDOM walk for 40000 steps (9137 resets) in 6371 ms. (6 steps per ms) remains 5/5 properties
[2026-05-24 06:49:47] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7614126005174783152.gal : 277 ms
[2026-05-24 06:49:47] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1508042813638936602.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/ReachabilityCardinality7614126005174783152.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1508042813638936602.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
BEST_FIRST walk for 40002 steps (3719 resets) in 1524 ms. (26 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (3852 resets) in 1021 ms. (39 steps per ms) remains 5/5 properties
Loading property file /tmp/ReachabilityCardinality1508042813638936602.prop.
BEST_FIRST walk for 40004 steps (3723 resets) in 928 ms. (43 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3712 resets) in 787 ms. (50 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40002 steps (3695 resets) in 923 ms. (43 steps per ms) remains 5/5 properties
SDD proceeding with computation,5 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,5 properties remain. new max is 8
SDD size :5 after 24
SDD proceeding with computation,5 properties remain. new max is 16
SDD size :24 after 66
SDD proceeding with computation,5 properties remain. new max is 32
SDD size :66 after 108
Interrupted probabilistic random walk after 359147 steps, run timeout after 9001 ms. (steps per millisecond=39 ) properties seen :1 out of 5
Probabilistic random walk after 359147 steps, saw 151370 distinct states, run finished after 9019 ms. (steps per millisecond=39 ) properties seen :1
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-00 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
SDD proceeding with computation,5 properties remain. new max is 64
SDD size :108 after 150
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-11313665510828674247.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4184149155983843113.kers'
[2026-05-24 06:49:58] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-11313665510828674247.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4184149155983843113.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 2478 rows 1183 cols 6734 entries
Finished phase 1 with 736 SingleSign rule and 441 generalized
[2026-05-24 06:49:58] [INFO ] Computed 6 invariants in 39 ms
Computed 6 P flows in 40 ms.
Exported basis to /tmp/petrispot-output-4184149155983843113.kers
Total runtime 44 ms.
[2026-05-24 06:49:58] [INFO ] State equation strengthened by 1588 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Problem DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-15 is UNSAT
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 1 (OVERLAPS) 446/450 variables, 1/1 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,5 properties remain. new max is 128
SDD size :150 after 192
At refinement iteration 2 (INCLUDED_ONLY) 0/450 variables, 0/1 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 7/457 variables, 1/2 constraints. Problems are: Problem set: 1 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/2 constraints. Problems are: Problem set: 1 solved, 3 unsolved
SDD proceeding with computation,5 properties remain. new max is 256
SDD size :192 after 258
Problem DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-03 is UNSAT
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
Problem DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-11 is UNSAT
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-11 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 5 (OVERLAPS) 726/1183 variables, 4/6 constraints. Problems are: Problem set: 3 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/1183 variables, 0/6 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,5 properties remain. new max is 512
SDD size :258 after 322
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 3661/3661 variables, and 1189 constraints, problems are : Problem set: 3 solved, 1 unsolved in 2540 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 4/4 constraints, State Equation: 1183/1183 constraints, ReadFeed: 0/1588 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 3 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 1036/1037 variables, 3/3 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/1037 variables, 1/4 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/1037 variables, 0/4 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 93/1130 variables, 2/6 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1130 variables, 0/6 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 53/1183 variables, 1/7 constraints. Problems are: Problem set: 3 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1183 variables, 0/7 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SDD proceeding with computation,5 properties remain. new max is 1024
SDD size :322 after 1474
At refinement iteration 8 (OVERLAPS) 2478/3661 variables, 1183/1190 constraints. Problems are: Problem set: 3 solved, 1 unsolved
SMT process timed out in 8293ms, After SMT, problems are : Problem set: 3 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 1183 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1183/1183 places, 2478/2478 transitions.
Graph (complete) has 4476 edges and 1183 vertex of which 1136 are kept as prefixes of interest. Removing 47 places using SCC suffix rule.16 ms
Discarding 47 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 18 transitions
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 217 transitions.
Iterating post reduction 0 with 217 rules applied. Total rules applied 218 place count 1136 transition count 2261
Discarding 390 places :
Symmetric choice reduction at 1 with 390 rule applications. Total rules 608 place count 746 transition count 1207
Iterating global reduction 1 with 390 rules applied. Total rules applied 998 place count 746 transition count 1207
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 1007 place count 746 transition count 1198
Discarding 315 places :
Symmetric choice reduction at 2 with 315 rule applications. Total rules 1322 place count 431 transition count 883
Iterating global reduction 2 with 315 rules applied. Total rules applied 1637 place count 431 transition count 883
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1649 place count 431 transition count 871
Discarding 241 places :
Symmetric choice reduction at 3 with 241 rule applications. Total rules 1890 place count 190 transition count 528
Iterating global reduction 3 with 241 rules applied. Total rules applied 2131 place count 190 transition count 528
Ensure Unique test removed 213 transitions
Reduce isomorphic transitions removed 213 transitions.
Iterating post reduction 3 with 213 rules applied. Total rules applied 2344 place count 190 transition count 315
Discarding 24 places :
Symmetric choice reduction at 4 with 24 rule applications. Total rules 2368 place count 166 transition count 280
Iterating global reduction 4 with 24 rules applied. Total rules applied 2392 place count 166 transition count 280
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 2398 place count 166 transition count 274
Discarding 16 places :
Symmetric choice reduction at 5 with 16 rule applications. Total rules 2414 place count 150 transition count 258
Iterating global reduction 5 with 16 rules applied. Total rules applied 2430 place count 150 transition count 258
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 2434 place count 150 transition count 254
Discarding 13 places :
Symmetric choice reduction at 6 with 13 rule applications. Total rules 2447 place count 137 transition count 241
Iterating global reduction 6 with 13 rules applied. Total rules applied 2460 place count 137 transition count 241
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 2473 place count 137 transition count 228
Discarding 8 places :
Symmetric choice reduction at 7 with 8 rule applications. Total rules 2481 place count 129 transition count 184
Iterating global reduction 7 with 8 rules applied. Total rules applied 2489 place count 129 transition count 184
Applied a total of 2489 rules in 547 ms. Remains 129 /1183 variables (removed 1054) and now considering 184/2478 (removed 2294) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 562 ms. Remains : 129/1183 places, 184/2478 transitions.
RANDOM walk for 40000 steps (9219 resets) in 266 ms. (149 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (3819 resets) in 92 ms. (430 steps per ms) remains 1/1 properties
SDD proceeding with computation,5 properties remain. new max is 2048
SDD size :1474 after 3066
Interrupted probabilistic random walk after 1817311 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1817311 steps, saw 729494 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) 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-6887985446494877223.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-14370460058058684031.kers'
[2026-05-24 06:50:09] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-6887985446494877223.kers, --Pflows, --basisKERS=/tmp/petrispot-output-14370460058058684031.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 184 rows 129 cols 609 entries
Finished phase 1 with 124 SingleSign rule and 3 generalized
[2026-05-24 06:50:09] [INFO ] Computed 2 invariants in 1 ms
Computed 2 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-14370460058058684031.kers
Total runtime 2 ms.
[2026-05-24 06:50:09] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/31 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 134/165 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/165 variables, 16/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/165 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 69/234 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/234 variables, 51/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/234 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 11/245 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/245 variables, 4/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/245 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 68/313 variables, 51/147 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/313 variables, 42/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/313 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 0/313 variables, 0/189 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 313/313 variables, and 189 constraints, problems are : Problem set: 0 solved, 1 unsolved in 301 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 8/9 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 22/31 variables, 7/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/31 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 134/165 variables, 15/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/165 variables, 16/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/165 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/165 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 69/234 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/234 variables, 51/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/234 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 11/245 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/245 variables, 4/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/245 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 68/313 variables, 51/148 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/313 variables, 42/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/313 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/313 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 313/313 variables, and 190 constraints, problems are : Problem set: 0 solved, 1 unsolved in 390 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 711ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 53 ms.
Support contains 1 out of 129 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 184/184 transitions.
Applied a total of 0 rules in 34 ms. Remains 129 /129 variables (removed 0) and now considering 184/184 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 129/129 places, 184/184 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 129/129 places, 184/184 transitions.
Applied a total of 0 rules in 24 ms. Remains 129 /129 variables (removed 0) and now considering 184/184 (removed 0) transitions.
[2026-05-24 06:50:10] [INFO ] Invariant cache hit.
[2026-05-24 06:50:10] [INFO ] Implicit Places using invariants in 146 ms returned []
[2026-05-24 06:50:10] [INFO ] Invariant cache hit.
[2026-05-24 06:50:11] [INFO ] State equation strengthened by 58 read => feed constraints.
[2026-05-24 06:50:11] [INFO ] Implicit Places using invariants and state equation in 1051 ms returned []
Implicit Place search using SMT with State Equation took 1213 ms to find 0 implicit places.
[2026-05-24 06:50:12] [INFO ] Redundant transitions in 13 ms returned []
Running 183 sub problems to find dead transitions.
[2026-05-24 06:50:12] [INFO ] Invariant cache hit.
[2026-05-24 06:50:12] [INFO ] State equation strengthened by 58 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (OVERLAPS) 1/129 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/129 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 4 (OVERLAPS) 184/313 variables, 129/131 constraints. Problems are: Problem set: 0 solved, 183 unsolved
SDD proceeding with computation,5 properties remain. new max is 4096
SDD size :3066 after 7400
At refinement iteration 5 (INCLUDED_ONLY) 0/313 variables, 58/189 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 1/190 constraints. Problems are: Problem set: 0 solved, 183 unsolved
SDD proceeding with computation,5 properties remain. new max is 8192
SDD size :7400 after 31134
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 0/190 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 313/313 variables, and 190 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30042 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 183 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/128 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/128 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/128 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 3 (OVERLAPS) 1/129 variables, 1/3 constraints. Problems are: Problem set: 0 solved, 183 unsolved
SDD proceeding with computation,5 properties remain. new max is 16384
SDD size :31134 after 158934
At refinement iteration 4 (INCLUDED_ONLY) 0/129 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 5 (OVERLAPS) 184/313 variables, 129/132 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/313 variables, 58/190 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/313 variables, 183/373 constraints. Problems are: Problem set: 0 solved, 183 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/313 variables, 0/373 constraints. Problems are: Problem set: 0 solved, 183 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 313/313 variables, and 373 constraints, problems are : Problem set: 0 solved, 183 unsolved in 30020 ms.
Refiners :[Generalized P Invariants (flows): 2/2 constraints, State Equation: 129/129 constraints, ReadFeed: 58/58 constraints, PredecessorRefiner: 183/183 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60708ms problems are : Problem set: 0 solved, 183 unsolved
Search for dead transitions found 0 dead transitions in 60722ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 62018 ms. Remains : 129/129 places, 184/184 transitions.
Attempting over-approximation, by ignoring read arcs.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 3 transitions
Trivial Post-agglo rules discarded 3 transitions
Performed 3 trivial Post agglomeration. Transition count delta: 3
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 129 transition count 173
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 14 place count 126 transition count 173
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 14 place count 126 transition count 161
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 38 place count 114 transition count 161
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 113 transition count 160
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 113 transition count 160
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 41 place count 112 transition count 159
Iterating global reduction 2 with 1 rules applied. Total rules applied 42 place count 112 transition count 159
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 46 place count 110 transition count 157
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -22
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 108 transition count 179
Free-agglomeration rule applied 4 times.
Iterating global reduction 2 with 4 rules applied. Total rules applied 54 place count 108 transition count 175
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 58 place count 104 transition count 175
Partial Free-agglomeration rule applied 7 times.
Drop transitions (Partial Free agglomeration) removed 7 transitions
Iterating global reduction 3 with 7 rules applied. Total rules applied 65 place count 104 transition count 175
Applied a total of 65 rules in 70 ms. Remains 104 /129 variables (removed 25) and now considering 175/184 (removed 9) 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-4169419600378197229.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-18376203598846419822.kers'
[2026-05-24 06:51:12] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4169419600378197229.kers, --Pflows, --basisKERS=/tmp/petrispot-output-18376203598846419822.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 175 rows 104 cols 679 entries
Finished phase 1 with 96 SingleSign rule and 3 generalized
[2026-05-24 06:51:12] [INFO ] Computed 5 invariants in 2 ms
Computed 5 P flows in 2 ms.
Exported basis to /tmp/petrispot-output-18376203598846419822.kers
Total runtime 3 ms.
[2026-05-24 06:51:12] [INFO ] [Real]Absence check using 4 positive place invariants in 5 ms returned sat
[2026-05-24 06:51:12] [INFO ] [Real]Absence check using 4 positive and 1 generalized place invariants in 1 ms returned sat
[2026-05-24 06:51:13] [INFO ] After 214ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2026-05-24 06:51:13] [INFO ] [Nat]Absence check using 4 positive place invariants in 3 ms returned sat
[2026-05-24 06:51:13] [INFO ] [Nat]Absence check using 4 positive and 1 generalized place invariants in 2 ms returned sat
[2026-05-24 06:51:13] [INFO ] After 111ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2026-05-24 06:51:13] [INFO ] After 135ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2026-05-24 06:51:13] [INFO ] After 206ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2026-05-24 06:51:13] [INFO ] Flatten gal took : 15 ms
[2026-05-24 06:51:13] [INFO ] Flatten gal took : 14 ms
[2026-05-24 06:51:13] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7558206641033234234.gal : 5 ms
[2026-05-24 06:51:13] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality10572662105958040515.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/ReachabilityCardinality7558206641033234234.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality10572662105958040515.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 ...329
Loading property file /tmp/ReachabilityCardinality10572662105958040515.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 12
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :12 after 22
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :22 after 42
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :42 after 53
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :53 after 111
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :111 after 196
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :196 after 455
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :455 after 869
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :869 after 1524
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1524 after 4329
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :4329 after 11890
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :11890 after 58536
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
petri\_inst\_inst,240624,4.32651,93676,2,22224,17,232133,7,0,594,294628,0
Total reachable state count : 240624

Verifying 1 reachability properties.
Invariant property DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-09 is true.

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-09,0,4.32892,93676,1,0,17,232133,7,0,595,294628,0
FORMULA DBSingleClientW-PT-d2m06-ReachabilityCardinality-2024-09 TRUE TECHNIQUES OVER_APPROXIMATION
Over-approximation ignoring read arcs solved -1 properties in 4949 ms.
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 93358 ms.

BK_STOP 1779605477948

--------------------
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
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
+ 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="DBSingleClientW-PT-d2m06"
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 DBSingleClientW-PT-d2m06, 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 r082-smll-177946993600214"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m06.tgz
mv DBSingleClientW-PT-d2m06 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 ;