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.r338-smll-178021499300452.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 FileSystem-PT-N03I10B15, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r338-smll-178021499300452
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 728K
-rw-r--r-- 1 mcc users 8.1K May 27 10:21 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K May 27 10:21 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 27 10:21 CTLFireability.txt
-rw-r--r-- 1 mcc users 39K May 27 10:21 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Jun 16 12:27 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Jun 16 12:27 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Jun 16 12:27 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Jun 16 12:27 LTLFireability.xml
-rw-r--r-- 1 mcc users 1 May 26 18:17 NewModel
-rw-r--r-- 1 mcc users 11K May 27 10:21 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 90K May 27 10:21 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.0K May 27 10:21 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 45K May 27 10:21 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Jun 16 12:28 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Jun 16 12:28 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 26 18:17 equiv_col
-rw-r--r-- 1 mcc users 10 May 26 18:17 instance
-rw-r--r-- 1 mcc users 6 May 26 18:17 iscolored
-rw-r--r-- 1 mcc users 349K Jun 10 11:57 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 FileSystem-PT-N03I10B15-LTLFireability-00
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-01
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-02
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-03
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-04
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-05
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-06
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-07
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-08
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-09
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-10
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-11
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-12
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-13
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-14
FORMULA_NAME FileSystem-PT-N03I10B15-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1781619622849

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FileSystem-PT-N03I10B15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202604301425
[2026-06-16 14:20:25] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-06-16 14:20:25] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-06-16 14:20:25] [INFO ] Load time of PNML (sax parser for PT used): 198 ms
[2026-06-16 14:20:25] [INFO ] Transformed 826 places.
[2026-06-16 14:20:25] [INFO ] Transformed 770 transitions.
[2026-06-16 14:20:25] [INFO ] Parsed PT model containing 826 places and 770 transitions and 2750 arcs in 352 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Reduce places removed 10 places and 0 transitions.
FORMULA FileSystem-PT-N03I10B15-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 57 out of 816 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 816/816 places, 770/770 transitions.
Reduce places removed 150 places and 0 transitions.
Iterating post reduction 0 with 150 rules applied. Total rules applied 150 place count 666 transition count 770
Discarding 129 places :
Symmetric choice reduction at 1 with 129 rule applications. Total rules 279 place count 537 transition count 641
Iterating global reduction 1 with 129 rules applied. Total rules applied 408 place count 537 transition count 641
Applied a total of 408 rules in 158 ms. Remains 537 /816 variables (removed 279) and now considering 641/770 (removed 129) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-5685700312758061249.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3697296716529002104.kers'
[2026-06-16 14:20:26] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-5685700312758061249.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3697296716529002104.kers]
Culling duplicate invariants (modulo rational): removing 15 columns.
Culled 15 columns in 1 ms.
// Phase 1: matrix 641 rows 522 cols 1763 entries
Finished phase 1 with 505 SingleSign rule and 0 generalized
[2026-06-16 14:20:26] [INFO ] Computed 32 invariants in 11 ms
Computed 32 P flows in 13 ms.
Exported basis to /tmp/petrispot-output-3697296716529002104.kers
Total runtime 14 ms.
[2026-06-16 14:20:27] [INFO ] Implicit Places using invariants in 968 ms returned []
[2026-06-16 14:20:27] [INFO ] Invariant cache hit.
[2026-06-16 14:20:27] [INFO ] State equation strengthened by 150 read => feed constraints.
[2026-06-16 14:20:31] [INFO ] Implicit Places using invariants and state equation in 4417 ms returned []
Implicit Place search using SMT with State Equation took 5444 ms to find 0 implicit places.
Running 631 sub problems to find dead transitions.
[2026-06-16 14:20:31] [INFO ] Invariant cache hit.
[2026-06-16 14:20:31] [INFO ] State equation strengthened by 150 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/526 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 631 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/526 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 631 unsolved
At refinement iteration 2 (OVERLAPS) 11/537 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 631 unsolved
SMT process timed out in 30636ms, After SMT, problems are : Problem set: 0 solved, 631 unsolved
Search for dead transitions found 0 dead transitions in 30672ms
Starting structural reductions in LTL mode, iteration 1 : 537/816 places, 641/770 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 36344 ms. Remains : 537/816 places, 641/770 transitions.
Starting structural reductions in LTL mode, iteration 0 : 537/537 places, 641/641 transitions.
Applied a total of 0 rules in 46 ms. Remains 537 /537 variables (removed 0) and now considering 641/641 (removed 0) transitions.
[2026-06-16 14:21:02] [INFO ] Invariant cache hit.
[2026-06-16 14:21:02] [INFO ] Implicit Places using invariants in 541 ms returned []
[2026-06-16 14:21:02] [INFO ] Invariant cache hit.
[2026-06-16 14:21:03] [INFO ] State equation strengthened by 150 read => feed constraints.
[2026-06-16 14:21:06] [INFO ] Implicit Places using invariants and state equation in 3589 ms returned []
Implicit Place search using SMT with State Equation took 4133 ms to find 0 implicit places.
Skipped dead transition search.
Finished structural reductions in LTL mode , in 1 iterations and 4184 ms. Remains : 537/537 places, 641/641 transitions.
Support contains 57 out of 537 places after structural reductions.
[2026-06-16 14:21:06] [INFO ] Flatten gal took : 174 ms
[2026-06-16 14:21:06] [INFO ] Flatten gal took : 92 ms
[2026-06-16 14:21:07] [INFO ] Input system was already deterministic with 641 transitions.
Reduction of identical properties reduced properties to check from 37 to 35
RANDOM walk for 40000 steps (784 resets) in 2256 ms. (17 steps per ms) remains 32/35 properties
BEST_FIRST walk for 4003 steps (16 resets) in 49 ms. (80 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (16 resets) in 50 ms. (78 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (15 resets) in 48 ms. (81 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (15 resets) in 63 ms. (62 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (15 resets) in 55 ms. (71 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 48 ms. (81 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 30 ms. (129 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 27 ms. (143 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (15 resets) in 47 ms. (83 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 18 ms. (210 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 25 ms. (154 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (16 resets) in 21 ms. (181 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 21 ms. (182 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 22 ms. (174 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (16 resets) in 15 ms. (250 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 24 ms. (160 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 21 ms. (182 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 21 ms. (182 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 19 ms. (200 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 18 ms. (210 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (16 resets) in 21 ms. (181 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (16 resets) in 16 ms. (235 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4003 steps (16 resets) in 16 ms. (235 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 25 ms. (154 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (16 resets) in 21 ms. (181 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 18 ms. (210 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 19 ms. (200 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (15 resets) in 17 ms. (222 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (16 resets) in 21 ms. (181 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (15 resets) in 18 ms. (210 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4002 steps (16 resets) in 22 ms. (174 steps per ms) remains 32/32 properties
BEST_FIRST walk for 4004 steps (16 resets) in 27 ms. (143 steps per ms) remains 32/32 properties
Interrupted probabilistic random walk after 235128 steps, run timeout after 3001 ms. (steps per millisecond=78 ) properties seen :0 out of 32
Probabilistic random walk after 235128 steps, saw 55518 distinct states, run finished after 3007 ms. (steps per millisecond=78 ) properties seen :0
[2026-06-16 14:21:11] [INFO ] Invariant cache hit.
[2026-06-16 14:21:11] [INFO ] State equation strengthened by 150 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/53 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 32 unsolved
At refinement iteration 2 (OVERLAPS) 480/533 variables, 24/28 constraints. Problems are: Problem set: 0 solved, 32 unsolved
Problem AtomicPropp0 is UNSAT
Problem AtomicPropp2 is UNSAT
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp4 is UNSAT
Problem AtomicPropp5 is UNSAT
Problem AtomicPropp6 is UNSAT
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp9 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp11 is UNSAT
Problem AtomicPropp12 is UNSAT
Problem AtomicPropp14 is UNSAT
Problem AtomicPropp15 is UNSAT
Problem AtomicPropp16 is UNSAT
Problem AtomicPropp17 is UNSAT
Problem AtomicPropp19 is UNSAT
Problem AtomicPropp20 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp26 is UNSAT
Problem AtomicPropp27 is UNSAT
Problem AtomicPropp28 is UNSAT
Problem AtomicPropp29 is UNSAT
Problem AtomicPropp31 is UNSAT
Problem AtomicPropp32 is UNSAT
Problem AtomicPropp33 is UNSAT
Problem AtomicPropp34 is UNSAT
Problem AtomicPropp35 is UNSAT
Problem AtomicPropp36 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/533 variables, 12/40 constraints. Problems are: Problem set: 29 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/533 variables, 0/40 constraints. Problems are: Problem set: 29 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 4/537 variables, 4/44 constraints. Problems are: Problem set: 29 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/537 variables, 0/44 constraints. Problems are: Problem set: 29 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 641/1178 variables, 537/581 constraints. Problems are: Problem set: 29 solved, 3 unsolved
Problem AtomicPropp7 is UNSAT
Problem AtomicPropp22 is UNSAT
At refinement iteration 8 (INCLUDED_ONLY) 0/1178 variables, 150/731 constraints. Problems are: Problem set: 31 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1178 variables, 0/731 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1178 variables, 0/731 constraints. Problems are: Problem set: 31 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1178/1178 variables, and 731 constraints, problems are : Problem set: 31 solved, 1 unsolved in 4302 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 537/537 constraints, ReadFeed: 150/150 constraints, PredecessorRefiner: 32/32 constraints, Known Traps: 12/12 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 31 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 482/483 variables, 2/2 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/483 variables, 0/2 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 39/522 variables, 15/17 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/522 variables, 12/29 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/522 variables, 1/30 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/522 variables, 0/30 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 15/537 variables, 15/45 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/537 variables, 0/45 constraints. Problems are: Problem set: 31 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 641/1178 variables, 537/582 constraints. Problems are: Problem set: 31 solved, 1 unsolved
Problem AtomicPropp25 is UNSAT
After SMT solving in domain Int declared 1178/1178 variables, and 732 constraints, problems are : Problem set: 32 solved, 0 unsolved in 1143 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 537/537 constraints, ReadFeed: 150/150 constraints, PredecessorRefiner: 0/32 constraints, Known Traps: 13/13 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5475ms problems are : Problem set: 32 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 34 atomic propositions for a total of 13 simplifications.
Initial state reduction rules removed 2 formulas.
FORMULA FileSystem-PT-N03I10B15-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FileSystem-PT-N03I10B15-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 72 stabilizing places and 191 stable transitions
FORMULA FileSystem-PT-N03I10B15-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 2 out of 537 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 537/537 places, 641/641 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 537 transition count 631
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 20 place count 527 transition count 631
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 26 place count 521 transition count 625
Iterating global reduction 2 with 6 rules applied. Total rules applied 32 place count 521 transition count 625
Performed 150 Post agglomeration using F-continuation condition.Transition count delta: 150
Deduced a syphon composed of 150 places in 1 ms
Reduce places removed 150 places and 0 transitions.
Iterating global reduction 2 with 300 rules applied. Total rules applied 332 place count 371 transition count 475
Applied a total of 332 rules in 326 ms. Remains 371 /537 variables (removed 166) and now considering 475/641 (removed 166) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2044466747999076564.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3282391884693540031.kers'
[2026-06-16 14:21:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2044466747999076564.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3282391884693540031.kers]
Culling duplicate invariants (modulo rational): removing 15 columns.
Culled 15 columns in 0 ms.
// Phase 1: matrix 475 rows 356 cols 1425 entries
Finished phase 1 with 339 SingleSign rule and 0 generalized
[2026-06-16 14:21:17] [INFO ] Computed 32 invariants in 3 ms
Computed 32 P flows in 3 ms.
Exported basis to /tmp/petrispot-output-3282391884693540031.kers
Total runtime 4 ms.
[2026-06-16 14:21:17] [INFO ] Implicit Places using invariants in 416 ms returned []
[2026-06-16 14:21:17] [INFO ] Invariant cache hit.
[2026-06-16 14:21:18] [INFO ] State equation strengthened by 150 read => feed constraints.
[2026-06-16 14:21:21] [INFO ] Implicit Places using invariants and state equation in 3974 ms returned []
Implicit Place search using SMT with State Equation took 4393 ms to find 0 implicit places.
[2026-06-16 14:21:21] [INFO ] Redundant transitions in 46 ms returned []
Running 465 sub problems to find dead transitions.
[2026-06-16 14:21:21] [INFO ] Invariant cache hit.
[2026-06-16 14:21:21] [INFO ] State equation strengthened by 150 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/360 variables, 30/30 constraints. Problems are: Problem set: 0 solved, 465 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/360 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 465 unsolved
At refinement iteration 2 (OVERLAPS) 11/371 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 465 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
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Problem TDEAD48 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
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Problem TDEAD240 is UNSAT
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Problem TDEAD242 is UNSAT
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Problem TDEAD245 is UNSAT
Problem TDEAD246 is UNSAT
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Problem TDEAD248 is UNSAT
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Problem TDEAD250 is UNSAT
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Problem TDEAD252 is UNSAT
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Problem TDEAD280 is UNSAT
Problem TDEAD281 is UNSAT
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Problem TDEAD294 is UNSAT
Problem TDEAD295 is UNSAT
Problem TDEAD296 is UNSAT
Problem TDEAD297 is UNSAT
Problem TDEAD299 is UNSAT
Problem TDEAD325 is UNSAT
Problem TDEAD326 is UNSAT
Problem TDEAD327 is UNSAT
Problem TDEAD328 is UNSAT
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Problem TDEAD350 is UNSAT
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Problem TDEAD359 is UNSAT
Problem TDEAD360 is UNSAT
Problem TDEAD361 is UNSAT
Problem TDEAD362 is UNSAT
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Problem TDEAD365 is UNSAT
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Problem TDEAD368 is UNSAT
Problem TDEAD369 is UNSAT
Problem TDEAD370 is UNSAT
Problem TDEAD371 is UNSAT
Problem TDEAD372 is UNSAT
Problem TDEAD373 is UNSAT
Problem TDEAD374 is UNSAT
Problem TDEAD375 is UNSAT
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Problem TDEAD386 is UNSAT
Problem TDEAD387 is UNSAT
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Problem TDEAD390 is UNSAT
Problem TDEAD391 is UNSAT
Problem TDEAD392 is UNSAT
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Problem TDEAD394 is UNSAT
Problem TDEAD395 is UNSAT
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Problem TDEAD397 is UNSAT
Problem TDEAD398 is UNSAT
Problem TDEAD399 is UNSAT
Problem TDEAD400 is UNSAT
Problem TDEAD401 is UNSAT
Problem TDEAD402 is UNSAT
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Problem TDEAD405 is UNSAT
Problem TDEAD406 is UNSAT
Problem TDEAD407 is UNSAT
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Problem TDEAD409 is UNSAT
Problem TDEAD410 is UNSAT
Problem TDEAD411 is UNSAT
Problem TDEAD412 is UNSAT
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Problem TDEAD414 is UNSAT
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Problem TDEAD416 is UNSAT
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Problem TDEAD418 is UNSAT
Problem TDEAD419 is UNSAT
Problem TDEAD420 is UNSAT
Problem TDEAD421 is UNSAT
Problem TDEAD422 is UNSAT
Problem TDEAD423 is UNSAT
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Problem TDEAD425 is UNSAT
Problem TDEAD426 is UNSAT
Problem TDEAD427 is UNSAT
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Problem TDEAD429 is UNSAT
Problem TDEAD430 is UNSAT
Problem TDEAD431 is UNSAT
Problem TDEAD432 is UNSAT
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Problem TDEAD435 is UNSAT
Problem TDEAD436 is UNSAT
Problem TDEAD437 is UNSAT
Problem TDEAD438 is UNSAT
Problem TDEAD439 is UNSAT
Problem TDEAD440 is UNSAT
Problem TDEAD441 is UNSAT
Problem TDEAD442 is UNSAT
Problem TDEAD443 is UNSAT
Problem TDEAD444 is UNSAT
Problem TDEAD445 is UNSAT
Problem TDEAD446 is UNSAT
Problem TDEAD447 is UNSAT
Problem TDEAD448 is UNSAT
Problem TDEAD449 is UNSAT
Problem TDEAD450 is UNSAT
Problem TDEAD451 is UNSAT
Problem TDEAD452 is UNSAT
Problem TDEAD453 is UNSAT
Problem TDEAD454 is UNSAT
Problem TDEAD455 is UNSAT
Problem TDEAD456 is UNSAT
Problem TDEAD457 is UNSAT
Problem TDEAD458 is UNSAT
Problem TDEAD459 is UNSAT
Problem TDEAD460 is UNSAT
Problem TDEAD461 is UNSAT
Problem TDEAD462 is UNSAT
Problem TDEAD463 is UNSAT
Problem TDEAD464 is UNSAT
Problem TDEAD465 is UNSAT
Problem TDEAD466 is UNSAT
Problem TDEAD467 is UNSAT
Problem TDEAD468 is UNSAT
Problem TDEAD469 is UNSAT
Problem TDEAD470 is UNSAT
Problem TDEAD471 is UNSAT
Problem TDEAD472 is UNSAT
Problem TDEAD473 is UNSAT
Problem TDEAD474 is UNSAT
Problem TDEAD311 is UNSAT
Problem TDEAD313 is UNSAT
At refinement iteration 3 (INCLUDED_ONLY) 0/371 variables, 15/47 constraints. Problems are: Problem set: 432 solved, 33 unsolved
Problem TDEAD305 is UNSAT
Problem TDEAD307 is UNSAT
Problem TDEAD309 is UNSAT
At refinement iteration 4 (INCLUDED_ONLY) 0/371 variables, 3/50 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/371 variables, 0/50 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 6 (OVERLAPS) 475/846 variables, 371/421 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/846 variables, 150/571 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/846 variables, 0/571 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 0/846 variables, 0/571 constraints. Problems are: Problem set: 435 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Real declared 846/846 variables, and 571 constraints, problems are : Problem set: 435 solved, 30 unsolved in 28667 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 371/371 constraints, ReadFeed: 150/150 constraints, PredecessorRefiner: 465/465 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 435 solved, 30 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/50 variables, 0/0 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 1 (OVERLAPS) 311/361 variables, 22/22 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/361 variables, 13/35 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/361 variables, 0/35 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 4 (OVERLAPS) 10/371 variables, 10/45 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/371 variables, 5/50 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/371 variables, 2/52 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/371 variables, 2/54 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/371 variables, 0/54 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 9 (OVERLAPS) 475/846 variables, 371/425 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/846 variables, 150/575 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/846 variables, 30/605 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/846 variables, 0/605 constraints. Problems are: Problem set: 435 solved, 30 unsolved
At refinement iteration 13 (OVERLAPS) 0/846 variables, 0/605 constraints. Problems are: Problem set: 435 solved, 30 unsolved
No progress, stopping.
After SMT solving in domain Int declared 846/846 variables, and 605 constraints, problems are : Problem set: 435 solved, 30 unsolved in 16131 ms.
Refiners :[Positive P Invariants (semi-flows): 32/32 constraints, State Equation: 371/371 constraints, ReadFeed: 150/150 constraints, PredecessorRefiner: 30/465 constraints, Known Traps: 22/22 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 44966ms problems are : Problem set: 435 solved, 30 unsolved
Search for dead transitions found 435 dead transitions in 44971ms
Found 435 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 435 transitions
Dead transitions reduction (with SMT) removed 435 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 371/537 places, 40/641 transitions.
Graph (complete) has 100 edges and 371 vertex of which 61 are kept as prefixes of interest. Removing 310 places using SCC suffix rule.2 ms
Discarding 310 places :
Also discarding 0 output transitions
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 20 Pre rules applied. Total rules applied 1 place count 61 transition count 20
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 30 places and 0 transitions.
Iterating global reduction 0 with 50 rules applied. Total rules applied 51 place count 31 transition count 20
Applied a total of 51 rules in 16 ms. Remains 31 /371 variables (removed 340) and now considering 20/40 (removed 20) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-767571589630023368.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-3871554309176151092.kers'
[2026-06-16 14:22:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-767571589630023368.kers, --Pflows, --basisKERS=/tmp/petrispot-output-3871554309176151092.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 20 rows 31 cols 60 entries
Finished phase 1 with 10 SingleSign rule and 10 generalized
[2026-06-16 14:22:06] [INFO ] Computed 11 invariants in 0 ms
Computed 11 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-3871554309176151092.kers
Total runtime 1 ms.
[2026-06-16 14:22:06] [INFO ] Implicit Places using invariants in 88 ms returned [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
Discarding 10 places :
Implicit Place search using SMT only with invariants took 91 ms to find 10 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/537 places, 20/641 transitions.
Discarding 9 places :
Symmetric choice reduction at 0 with 9 rule applications. Total rules 9 place count 12 transition count 11
Iterating global reduction 0 with 9 rules applied. Total rules applied 18 place count 12 transition count 11
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 26 place count 4 transition count 3
Iterating global reduction 0 with 8 rules applied. Total rules applied 34 place count 4 transition count 3
Applied a total of 34 rules in 4 ms. Remains 4 /21 variables (removed 17) and now considering 3/20 (removed 17) transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-17383832498870318516.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-8169930494290857943.kers'
[2026-06-16 14:22:06] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-17383832498870318516.kers, --Pflows, --basisKERS=/tmp/petrispot-output-8169930494290857943.kers]
Culling duplicate invariants (modulo rational): removing 1 columns.
Culled 1 columns in 0 ms.
// Phase 1: matrix 3 rows 3 cols 5 entries
Finished phase 1 with 3 SingleSign rule and 0 generalized
[2026-06-16 14:22:06] [INFO ] Computed 1 invariants in 0 ms
Computed 1 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-8169930494290857943.kers
Total runtime 0 ms.
[2026-06-16 14:22:06] [INFO ] Implicit Places using invariants in 23 ms returned []
[2026-06-16 14:22:06] [INFO ] Invariant cache hit.
[2026-06-16 14:22:06] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 4/537 places, 3/641 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 49916 ms. Remains : 4/537 places, 3/641 transitions.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202604301425/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Stuttering acceptance computed with spot in 389 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FileSystem-PT-N03I10B15-LTLFireability-13
Product exploration explored 100000 steps with 11037 reset in 579 ms.
Product exploration explored 100000 steps with 11061 reset in 266 ms.
Computed a total of 4 stabilizing places and 3 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 4 transition count 3
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Property proved to be true by K+ with min(!phi)
Knowledge based reduction with 2 factoid took 24 ms. Proved property starting from automaton with 2 states, 3 edges and 1 AP (stutter insensitive
Knowledge-based reduction took 66 ms.
FORMULA FileSystem-PT-N03I10B15-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FileSystem-PT-N03I10B15-LTLFireability-13 finished in 51341 ms.
All properties solved by simple procedures.
Total runtime 103183 ms.

BK_STOP 1781619728673

--------------------
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
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -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 LTLFireability -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="FileSystem-PT-N03I10B15"
export BK_EXAMINATION="LTLFireability"
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 FileSystem-PT-N03I10B15, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r338-smll-178021499300452"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FileSystem-PT-N03I10B15.tgz
mv FileSystem-PT-N03I10B15 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;