fond
Model Checking Contest 2026
16th edition, Hamburg, Germany, June 23, 2026
Execution of r130-smll-177955809100399
Last Updated
Jun 17, 2026

About the Execution of ITS-Tools for FlexibleBarrier-PT-14b

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
633.275 32061.00 88745.00 159.10 FTTFFTFFTTFTTFFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2026-input.r130-smll-177955809100399.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 FlexibleBarrier-PT-14b, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r130-smll-177955809100399
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 7.8K Mar 7 06:45 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Mar 7 06:45 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K Mar 7 06:45 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Mar 7 06:45 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Mar 3 18:30 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 15 10:13 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Mar 15 10:13 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 15 10:13 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Mar 15 10:13 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.7K Mar 7 06:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 84K Mar 7 06:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 7 06:45 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 95K Mar 7 06:45 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 10:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Mar 15 10:13 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 726K 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 FlexibleBarrier-PT-14b-ReachabilityFireability-2024-00
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-01
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-02
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-03
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-04
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-05
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-06
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-07
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-08
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-09
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-10
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-11
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-12
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-13
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-14
FORMULA_NAME FlexibleBarrier-PT-14b-ReachabilityFireability-2024-15

=== Now, execution of the tool begins

BK_START 1779904674030

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-14b
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202604301425
[2026-05-27 17:57:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-27 17:57:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-27 17:57:57] [INFO ] Load time of PNML (sax parser for PT used): 322 ms
[2026-05-27 17:57:57] [INFO ] Transformed 2678 places.
[2026-05-27 17:57:57] [INFO ] Transformed 3085 transitions.
[2026-05-27 17:57:57] [INFO ] Found NUPN structural information;
[2026-05-27 17:57:57] [INFO ] Parsed PT model containing 2678 places and 3085 transitions and 7733 arcs in 520 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 25 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (405 resets) in 3752 ms. (10 steps per ms) remains 15/16 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4003 steps (8 resets) in 131 ms. (30 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 57 ms. (69 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 43 ms. (91 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 237 ms. (16 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 176 ms. (22 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 51 ms. (76 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 130 ms. (30 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 17 ms. (222 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 37 ms. (105 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 49 ms. (80 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 67 ms. (58 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 64 ms. (61 steps per ms) remains 15/15 properties
[2026-05-27 17:57:58] [INFO ] Flatten gal took : 739 ms
[2026-05-27 17:57:59] [INFO ] Flatten gal took : 387 ms
[2026-05-27 17:57:59] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9678855169084033852.gal : 130 ms
[2026-05-27 17:57:59] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1968973913716772892.prop : 6 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality9678855169084033852.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1968973913716772892.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality1968973913716772892.prop.
Interrupted probabilistic random walk after 112551 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :0 out of 15
Probabilistic random walk after 112551 steps, saw 57876 distinct states, run finished after 3008 ms. (steps per millisecond=37 ) 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-7938615684943988063.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-16684597106699933995.kers'
[2026-05-27 17:58:01] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-7938615684943988063.kers, --Pflows, --basisKERS=/tmp/petrispot-output-16684597106699933995.kers]
Culled 0 columns in 2 ms.
// Phase 1: matrix 3085 rows 2678 cols 7733 entries
Finished phase 1 with 2662 SingleSign rule and 0 generalized
[2026-05-27 17:58:01] [INFO ] Computed 16 invariants in 19 ms
Computed 16 P flows in 20 ms.
Exported basis to /tmp/petrispot-output-16684597106699933995.kers
Total runtime 23 ms.
Excessive predecessor constraint size, skipping predecessor.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/322 variables, 322/322 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/322 variables, 0/322 constraints. Problems are: Problem set: 0 solved, 15 unsolved
Problem FlexibleBarrier-PT-14b-ReachabilityFireability-2024-03 is UNSAT
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-03 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 2356/2678 variables, 16/338 constraints. Problems are: Problem set: 1 solved, 14 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/2678 variables, 2356/2694 constraints. Problems are: Problem set: 1 solved, 14 unsolved
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :5 after 10
At refinement iteration 4 (INCLUDED_ONLY) 0/2678 variables, 0/2694 constraints. Problems are: Problem set: 1 solved, 14 unsolved
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :10 after 20
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :20 after 50
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :50 after 1310
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :1310 after 46705
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :46705 after 6.05142e+07
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :6.05142e+07 after 1.01641e+14
SMT process timed out in 5329ms, After SMT, problems are : Problem set: 1 solved, 14 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 285 out of 2678 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 2678/2678 places, 3085/3085 transitions.
Reachability property FlexibleBarrier-PT-14b-ReachabilityFireability-2024-12 is true.
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,14 properties remain. new max is 512
SDD size :1.01641e+14 after 6.65797e+21
Drop transitions (Trivial Post-Agglo cleanup.) removed 346 transitions
Trivial Post-agglo rules discarded 346 transitions
Performed 346 trivial Post agglomeration. Transition count delta: 346
Iterating post reduction 0 with 346 rules applied. Total rules applied 346 place count 2678 transition count 2739
Reduce places removed 346 places and 0 transitions.
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Iterating post reduction 1 with 402 rules applied. Total rules applied 748 place count 2332 transition count 2683
Reduce places removed 56 places and 0 transitions.
Iterating post reduction 2 with 56 rules applied. Total rules applied 804 place count 2276 transition count 2683
Performed 332 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 332 Pre rules applied. Total rules applied 804 place count 2276 transition count 2351
Deduced a syphon composed of 332 places in 3 ms
Reduce places removed 332 places and 0 transitions.
Iterating global reduction 3 with 664 rules applied. Total rules applied 1468 place count 1944 transition count 2351
Discarding 913 places :
Symmetric choice reduction at 3 with 913 rule applications. Total rules 2381 place count 1031 transition count 1438
Iterating global reduction 3 with 913 rules applied. Total rules applied 3294 place count 1031 transition count 1438
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 3295 place count 1031 transition count 1437
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 2 Pre rules applied. Total rules applied 3295 place count 1031 transition count 1435
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 3299 place count 1029 transition count 1435
Discarding 87 places :
Symmetric choice reduction at 4 with 87 rule applications. Total rules 3386 place count 942 transition count 1348
Iterating global reduction 4 with 87 rules applied. Total rules applied 3473 place count 942 transition count 1348
Ensure Unique test removed 62 transitions
Reduce isomorphic transitions removed 62 transitions.
Iterating post reduction 4 with 62 rules applied. Total rules applied 3535 place count 942 transition count 1286
Performed 97 Post agglomeration using F-continuation condition.Transition count delta: 97
Deduced a syphon composed of 97 places in 1 ms
Reduce places removed 97 places and 0 transitions.
Iterating global reduction 5 with 194 rules applied. Total rules applied 3729 place count 845 transition count 1189
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 5 with 14 rules applied. Total rules applied 3743 place count 838 transition count 1189
Free-agglomeration rule applied 21 times.
Iterating global reduction 5 with 21 rules applied. Total rules applied 3764 place count 838 transition count 1168
Reduce places removed 21 places and 0 transitions.
Iterating post reduction 5 with 21 rules applied. Total rules applied 3785 place count 817 transition count 1168
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 6 with 4 rules applied. Total rules applied 3789 place count 817 transition count 1164
Partial Free-agglomeration rule applied 15 times.
Drop transitions (Partial Free agglomeration) removed 15 transitions
Iterating global reduction 6 with 15 rules applied. Total rules applied 3804 place count 817 transition count 1164
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 6 with 1 rules applied. Total rules applied 3805 place count 816 transition count 1163
Applied a total of 3805 rules in 1493 ms. Remains 816 /2678 variables (removed 1862) and now considering 1163/3085 (removed 1922) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1524 ms. Remains : 816/2678 places, 1163/3085 transitions.
RANDOM walk for 40000 steps (927 resets) in 1784 ms. (22 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (42 resets) in 307 ms. (129 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (42 resets) in 126 ms. (314 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (39 resets) in 125 ms. (317 steps per ms) remains 12/13 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-02 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (8 resets) in 173 ms. (229 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (42 resets) in 101 ms. (392 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 277 ms. (143 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (39 resets) in 207 ms. (192 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (38 resets) in 115 ms. (344 steps per ms) remains 11/12 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-09 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (35 resets) in 194 ms. (205 steps per ms) remains 9/11 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-14 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-10 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (43 resets) in 101 ms. (392 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 9/9 properties
BEST_FIRST walk for 40004 steps (40 resets) in 319 ms. (125 steps per ms) remains 8/9 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-15 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2026-05-27 17:58:10] [INFO ] Flow matrix only has 1153 transitions (discarded 10 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-13787798907877069010.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-13461013557645863820.kers'
[2026-05-27 17:58:10] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-13787798907877069010.kers, --Pflows, --basisKERS=/tmp/petrispot-output-13461013557645863820.kers]
Culled 0 columns in 1 ms.
// Phase 1: matrix 1153 rows 816 cols 3640 entries
Finished phase 1 with 800 SingleSign rule and 0 generalized
[2026-05-27 17:58:10] [INFO ] Computed 16 invariants in 7 ms
Computed 16 P flows in 16 ms.
Exported basis to /tmp/petrispot-output-13461013557645863820.kers
Total runtime 18 ms.
[2026-05-27 17:58:10] [INFO ] State equation strengthened by 1 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 660/816 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/816 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 1153/1969 variables, 816/832 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1969 variables, 1/833 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1969 variables, 0/833 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 0/1969 variables, 0/833 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1969/1969 variables, and 833 constraints, problems are : Problem set: 0 solved, 8 unsolved in 4210 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 816/816 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/156 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 660/816 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/816 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/816 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/816 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (OVERLAPS) 1153/1969 variables, 816/838 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1969 variables, 1/839 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1969 variables, 3/842 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1969 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 0/1969 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1969/1969 variables, and 842 constraints, problems are : Problem set: 0 solved, 8 unsolved in 8402 ms.
Refiners :[Positive P Invariants (semi-flows): 16/16 constraints, State Equation: 816/816 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 8/3 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 12730ms problems are : Problem set: 0 solved, 8 unsolved
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-00 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-01 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-04 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-05 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-07 FALSE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-13 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 7 properties in 2653 ms.
Support contains 35 out of 816 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 816/816 places, 1163/1163 transitions.
Graph (trivial) has 517 edges and 816 vertex of which 43 / 816 are part of one of the 13 SCC in 4 ms
Free SCC test removed 30 places
Drop transitions (Empty/Sink Transition effects.) removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 43 transitions
Trivial Post-agglo rules discarded 43 transitions
Performed 43 trivial Post agglomeration. Transition count delta: 43
Iterating post reduction 0 with 43 rules applied. Total rules applied 44 place count 786 transition count 1077
Reduce places removed 43 places and 0 transitions.
Iterating post reduction 1 with 43 rules applied. Total rules applied 87 place count 743 transition count 1077
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 87 place count 743 transition count 1061
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 119 place count 727 transition count 1061
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 130 place count 727 transition count 1050
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 130 place count 727 transition count 1049
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 132 place count 726 transition count 1049
Discarding 136 places :
Symmetric choice reduction at 3 with 136 rule applications. Total rules 268 place count 590 transition count 913
Iterating global reduction 3 with 136 rules applied. Total rules applied 404 place count 590 transition count 913
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 3 with 14 rules applied. Total rules applied 418 place count 590 transition count 899
Discarding 12 places :
Symmetric choice reduction at 4 with 12 rule applications. Total rules 430 place count 578 transition count 887
Iterating global reduction 4 with 12 rules applied. Total rules applied 442 place count 578 transition count 887
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 4 with 10 rules applied. Total rules applied 452 place count 578 transition count 877
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 1 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 5 with 76 rules applied. Total rules applied 528 place count 540 transition count 839
Drop transitions (Empty/Sink Transition effects.) removed 3 transitions
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 5 with 4 rules applied. Total rules applied 532 place count 540 transition count 835
Discarding 58 places :
Symmetric choice reduction at 6 with 58 rule applications. Total rules 590 place count 482 transition count 777
Iterating global reduction 6 with 58 rules applied. Total rules applied 648 place count 482 transition count 777
Ensure Unique test removed 53 transitions
Reduce isomorphic transitions removed 53 transitions.
Iterating post reduction 6 with 53 rules applied. Total rules applied 701 place count 482 transition count 724
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 7 with 6 rules applied. Total rules applied 707 place count 479 transition count 721
Discarding 8 places :
Symmetric choice reduction at 7 with 8 rule applications. Total rules 715 place count 471 transition count 713
Iterating global reduction 7 with 8 rules applied. Total rules applied 723 place count 471 transition count 713
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 7 with 7 rules applied. Total rules applied 730 place count 471 transition count 706
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 8 with 6 rules applied. Total rules applied 736 place count 471 transition count 700
Free-agglomeration rule applied 178 times.
Iterating global reduction 8 with 178 rules applied. Total rules applied 914 place count 471 transition count 522
Reduce places removed 179 places and 0 transitions.
Graph (trivial) has 70 edges and 292 vertex of which 26 / 292 are part of one of the 13 SCC in 1 ms
Free SCC test removed 13 places
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 8 with 181 rules applied. Total rules applied 1095 place count 279 transition count 521
Reduce places removed 1 places and 0 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 9 with 27 rules applied. Total rules applied 1122 place count 278 transition count 495
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 10 with 12 Pre rules applied. Total rules applied 1122 place count 278 transition count 483
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 10 with 24 rules applied. Total rules applied 1146 place count 266 transition count 483
Discarding 18 places :
Symmetric choice reduction at 10 with 18 rule applications. Total rules 1164 place count 248 transition count 465
Iterating global reduction 10 with 18 rules applied. Total rules applied 1182 place count 248 transition count 465
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 10 with 18 rules applied. Total rules applied 1200 place count 248 transition count 447
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 11 with 28 rules applied. Total rules applied 1228 place count 234 transition count 433
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 11 with 2 rules applied. Total rules applied 1230 place count 233 transition count 433
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 11 with 2 rules applied. Total rules applied 1232 place count 233 transition count 431
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 12 with 20 rules applied. Total rules applied 1252 place count 233 transition count 411
Free-agglomeration rule applied 13 times.
Iterating global reduction 12 with 13 rules applied. Total rules applied 1265 place count 233 transition count 398
Reduce places removed 14 places and 0 transitions.
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 12 with 26 rules applied. Total rules applied 1291 place count 219 transition count 386
Drop transitions (Redundant composition of simpler transitions.) removed 14 transitions
Redundant transition composition rules discarded 14 transitions
Iterating global reduction 13 with 14 rules applied. Total rules applied 1305 place count 219 transition count 372
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 13 with 2 rules applied. Total rules applied 1307 place count 218 transition count 371
Applied a total of 1307 rules in 445 ms. Remains 218 /816 variables (removed 598) and now considering 371/1163 (removed 792) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 446 ms. Remains : 218/816 places, 371/1163 transitions.
RANDOM walk for 38735 steps (2488 resets) in 413 ms. (93 steps per ms) remains 0/1 properties
FORMULA FlexibleBarrier-PT-14b-ReachabilityFireability-2024-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_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 29505 ms.

BK_STOP 1779904706091

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202604301425.jar
+ VERSION=202604301425
+ echo 'Running Version 202604301425'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FlexibleBarrier-PT-14b"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5973"
echo " Executing tool itstools"
echo " Input is FlexibleBarrier-PT-14b, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r130-smll-177955809100399"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-14b.tgz
mv FlexibleBarrier-PT-14b execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;