About the Execution of ITS-Tools for DNAwalker-PT-14ringLRLarge
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 769.300 | 313633.00 | 354348.00 | 910.90 | 2 2 2 2 2 2 2 2 2 2 1 2 2 2 2 2 | 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.r098-tall-177955695800829.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 DNAwalker-PT-14ringLRLarge, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r098-tall-177955695800829
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 624K
-rw-r--r-- 1 mcc users 7.1K Mar 6 15:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K Mar 6 15:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Mar 6 15:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Mar 6 15:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Mar 3 18:30 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Mar 15 09:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Mar 15 09:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Mar 15 09:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Mar 15 09:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Mar 6 15:58 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Mar 6 15:58 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Mar 6 15:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K Mar 6 15:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Mar 15 09:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 15 09:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 equiv_col
-rw-r--r-- 1 mcc users 14 Mar 3 18:30 instance
-rw-r--r-- 1 mcc users 6 Mar 3 18:30 iscolored
-rw-r--r-- 1 mcc users 135K 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 positive values
NUM_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-00
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-01
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-02
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-03
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-04
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-05
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-06
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-07
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-08
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-09
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-10
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-11
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-12
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-13
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-14
FORMULA_NAME DNAwalker-PT-14ringLRLarge-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1779669550062
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DNAwalker-PT-14ringLRLarge
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
UpperBounds PT
Running Version 202604301425
[2026-05-25 00:39:11] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2026-05-25 00:39:11] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2026-05-25 00:39:11] [INFO ] Load time of PNML (sax parser for PT used): 77 ms
[2026-05-25 00:39:11] [INFO ] Transformed 33 places.
[2026-05-25 00:39:11] [INFO ] Transformed 312 transitions.
[2026-05-25 00:39:11] [INFO ] Parsed PT model containing 33 places and 312 transitions and 916 arcs in 162 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Current structural bounds on expressions (Initially) : Max Seen:[1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-10548544784652695700.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-4674220446611936184.kers'
[2026-05-25 00:39:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-10548544784652695700.kers, --Pflows, --basisKERS=/tmp/petrispot-output-4674220446611936184.kers]
Normalized transition count is 310 out of 312 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 310 rows 33 cols 614 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-25 00:39:11] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 1 ms.
Exported basis to /tmp/petrispot-output-4674220446611936184.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (791 resets) in 59 ms. (166 steps per ms)
BEST_FIRST walk for 160012 steps (935 resets) in 215 ms. (740 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 00:39:11] [INFO ] Flow matrix only has 311 transitions (discarded 1 similar events)
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-2391877723159709614.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-10895058444654500076.kers'
[2026-05-25 00:39:11] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-2391877723159709614.kers, --Pflows, --basisKERS=/tmp/petrispot-output-10895058444654500076.kers]
Normalized transition count is 310 out of 311 initially.
Culled 0 columns in 0 ms.
// Phase 1: matrix 310 rows 33 cols 614 entries
Finished phase 1 with 33 SingleSign rule and 0 generalized
[2026-05-25 00:39:11] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-10895058444654500076.kers
Total runtime 1 ms.
[2026-05-25 00:39:11] [INFO ] [Real]Absence check using state equation in 99 ms returned sat
[2026-05-25 00:39:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:12] [INFO ] [Nat]Absence check using state equation in 551 ms returned unknown
[2026-05-25 00:39:12] [INFO ] [Real]Absence check using state equation in 57 ms returned sat
[2026-05-25 00:39:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:13] [INFO ] [Nat]Absence check using state equation in 548 ms returned unknown
[2026-05-25 00:39:13] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 00:39:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:13] [INFO ] [Nat]Absence check using state equation in 545 ms returned unknown
[2026-05-25 00:39:14] [INFO ] [Real]Absence check using state equation in 91 ms returned sat
[2026-05-25 00:39:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:14] [INFO ] [Nat]Absence check using state equation in 538 ms returned unknown
[2026-05-25 00:39:14] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:39:14] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:15] [INFO ] [Nat]Absence check using state equation in 549 ms returned unknown
[2026-05-25 00:39:15] [INFO ] [Real]Absence check using state equation in 46 ms returned sat
[2026-05-25 00:39:15] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:15] [INFO ] [Nat]Absence check using state equation in 538 ms returned unknown
[2026-05-25 00:39:15] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2026-05-25 00:39:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:16] [INFO ] [Nat]Absence check using state equation in 538 ms returned unknown
[2026-05-25 00:39:16] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 00:39:16] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:17] [INFO ] [Nat]Absence check using state equation in 543 ms returned unknown
[2026-05-25 00:39:17] [INFO ] [Real]Absence check using state equation in 47 ms returned sat
[2026-05-25 00:39:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:17] [INFO ] [Nat]Absence check using state equation in 547 ms returned unknown
[2026-05-25 00:39:17] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 00:39:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:18] [INFO ] [Nat]Absence check using state equation in 537 ms returned unknown
[2026-05-25 00:39:18] [INFO ] [Real]Absence check using state equation in 33 ms returned unsat
[2026-05-25 00:39:18] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 00:39:18] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:19] [INFO ] [Nat]Absence check using state equation in 537 ms returned unknown
[2026-05-25 00:39:19] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:39:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:19] [INFO ] [Nat]Absence check using state equation in 540 ms returned unknown
[2026-05-25 00:39:19] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 00:39:19] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:20] [INFO ] [Nat]Absence check using state equation in 546 ms returned unknown
[2026-05-25 00:39:20] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-25 00:39:20] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:21] [INFO ] [Nat]Absence check using state equation in 538 ms returned unknown
[2026-05-25 00:39:21] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2026-05-25 00:39:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:39:21] [INFO ] [Nat]Absence check using state equation in 553 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, +inf]
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL SAT_SMT RANDOM_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 15 out of 33 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 33/33 places, 312/312 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 33 transition count 304
Reduce places removed 3 places and 3 transitions.
Iterating global reduction 1 with 3 rules applied. Total rules applied 11 place count 30 transition count 301
Applied a total of 11 rules in 43 ms. Remains 30 /33 variables (removed 3) and now considering 301/312 (removed 11) transitions.
Running 277 sub problems to find dead transitions.
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4388195668474767782.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-5732990448958215861.kers'
[2026-05-25 00:39:21] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4388195668474767782.kers, --Pflows, --basisKERS=/tmp/petrispot-output-5732990448958215861.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 301 rows 30 cols 602 entries
Finished phase 1 with 30 SingleSign rule and 0 generalized
[2026-05-25 00:39:21] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-5732990448958215861.kers
Total runtime 1 ms.
[2026-05-25 00:39:21] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (OVERLAPS) 301/328 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/328 variables, 35/62 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/328 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (OVERLAPS) 3/331 variables, 3/65 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/331 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 6 (OVERLAPS) 0/331 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 277 unsolved
No progress, stopping.
After SMT solving in domain Real declared 331/331 variables, and 65 constraints, problems are : Problem set: 0 solved, 277 unsolved in 11659 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 277 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 1 (OVERLAPS) 301/328 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/328 variables, 35/62 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/328 variables, 277/339 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/328 variables, 0/339 constraints. Problems are: Problem set: 0 solved, 277 unsolved
At refinement iteration 5 (OVERLAPS) 3/331 variables, 3/342 constraints. Problems are: Problem set: 0 solved, 277 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 331/331 variables, and 342 constraints, problems are : Problem set: 0 solved, 277 unsolved in 20021 ms.
Refiners :[State Equation: 30/30 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 277/277 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31886ms problems are : Problem set: 0 solved, 277 unsolved
Search for dead transitions found 0 dead transitions in 31898ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31971 ms. Remains : 30/33 places, 301/312 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
[2026-05-25 00:39:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (94005 resets) in 3424 ms. (291 steps per ms)
BEST_FIRST walk for 15000013 steps (136495 resets) in 10588 ms. (1416 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 00:40:07] [INFO ] Invariant cache hit.
[2026-05-25 00:40:07] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 00:40:07] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:12] [INFO ] [Nat]Absence check using state equation in 4545 ms returned unknown
[2026-05-25 00:40:12] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2026-05-25 00:40:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:17] [INFO ] [Nat]Absence check using state equation in 4542 ms returned unknown
[2026-05-25 00:40:17] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:40:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:21] [INFO ] [Nat]Absence check using state equation in 4536 ms returned unknown
[2026-05-25 00:40:21] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 00:40:21] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:26] [INFO ] [Nat]Absence check using state equation in 4536 ms returned unknown
[2026-05-25 00:40:26] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 00:40:26] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:31] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:40:31] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 00:40:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:35] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:40:35] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 00:40:35] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:40] [INFO ] [Nat]Absence check using state equation in 4534 ms returned unknown
[2026-05-25 00:40:40] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:40:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:44] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:40:45] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 00:40:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:49] [INFO ] [Nat]Absence check using state equation in 4536 ms returned unknown
[2026-05-25 00:40:49] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 00:40:49] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:54] [INFO ] [Nat]Absence check using state equation in 4539 ms returned unknown
[2026-05-25 00:40:54] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2026-05-25 00:40:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:40:58] [INFO ] [Nat]Absence check using state equation in 4540 ms returned unknown
[2026-05-25 00:40:58] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 00:40:58] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:03] [INFO ] [Nat]Absence check using state equation in 4538 ms returned unknown
[2026-05-25 00:41:03] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 00:41:03] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:08] [INFO ] [Nat]Absence check using state equation in 4543 ms returned unknown
[2026-05-25 00:41:08] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2026-05-25 00:41:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:12] [INFO ] [Nat]Absence check using state equation in 4539 ms returned unknown
[2026-05-25 00:41:12] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:41:12] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:17] [INFO ] [Nat]Absence check using state equation in 4536 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 15 out of 30 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 301/301 transitions.
Applied a total of 0 rules in 18 ms. Remains 30 /30 variables (removed 0) and now considering 301/301 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 30/30 places, 301/301 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 30/30 places, 301/301 transitions.
Applied a total of 0 rules in 9 ms. Remains 30 /30 variables (removed 0) and now considering 301/301 (removed 0) transitions.
[2026-05-25 00:41:17] [INFO ] Invariant cache hit.
[2026-05-25 00:41:17] [INFO ] Implicit Places using invariants in 37 ms returned []
[2026-05-25 00:41:17] [INFO ] Invariant cache hit.
[2026-05-25 00:41:17] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-25 00:41:17] [INFO ] Implicit Places using invariants and state equation in 337 ms returned [23]
Discarding 1 places :
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Implicit Place search using SMT with State Equation took 383 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 29/30 places, 295/301 transitions.
Applied a total of 0 rules in 10 ms. Remains 29 /29 variables (removed 0) and now considering 295/295 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 403 ms. Remains : 29/30 places, 295/301 transitions.
findPositiveTsemiflow completed in 26 ms - Net is bounded UNSAT
Running PetriSpot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.petrispot.binaries_1.0.0.202604301425/bin/petri64' '--loadKERS=/tmp/petrispot-input-4005360132652159735.kers' '--Pflows' '--basisKERS=/tmp/petrispot-output-1682495832520517902.kers'
[2026-05-25 00:41:17] [INFO ] Running PetriSpot with arguments : [--loadKERS=/tmp/petrispot-input-4005360132652159735.kers, --Pflows, --basisKERS=/tmp/petrispot-output-1682495832520517902.kers]
Culled 0 columns in 0 ms.
// Phase 1: matrix 295 rows 29 cols 582 entries
Finished phase 1 with 29 SingleSign rule and 0 generalized
[2026-05-25 00:41:17] [INFO ] Computed 0 invariants in 0 ms
Computed 0 P flows in 0 ms.
Exported basis to /tmp/petrispot-output-1682495832520517902.kers
Total runtime 1 ms.
Current structural bounds on expressions (after invariants) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (83152 resets) in 3285 ms. (304 steps per ms)
BEST_FIRST walk for 15000012 steps (133415 resets) in 10489 ms. (1429 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2026-05-25 00:41:31] [INFO ] Invariant cache hit.
[2026-05-25 00:41:31] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 00:41:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:36] [INFO ] [Nat]Absence check using state equation in 4536 ms returned unknown
[2026-05-25 00:41:36] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-25 00:41:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:40] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:41:40] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2026-05-25 00:41:40] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:45] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:41:45] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 00:41:45] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:50] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:41:50] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:41:50] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:54] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:41:54] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2026-05-25 00:41:54] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:41:59] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:41:59] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2026-05-25 00:41:59] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:04] [INFO ] [Nat]Absence check using state equation in 4532 ms returned unknown
[2026-05-25 00:42:04] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 00:42:04] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:08] [INFO ] [Nat]Absence check using state equation in 4532 ms returned unknown
[2026-05-25 00:42:08] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2026-05-25 00:42:08] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:13] [INFO ] [Nat]Absence check using state equation in 4536 ms returned unknown
[2026-05-25 00:42:13] [INFO ] [Real]Absence check using state equation in 44 ms returned sat
[2026-05-25 00:42:13] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:17] [INFO ] [Nat]Absence check using state equation in 4534 ms returned unknown
[2026-05-25 00:42:17] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:42:17] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:22] [INFO ] [Nat]Absence check using state equation in 4543 ms returned unknown
[2026-05-25 00:42:22] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2026-05-25 00:42:22] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:27] [INFO ] [Nat]Absence check using state equation in 4535 ms returned unknown
[2026-05-25 00:42:27] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2026-05-25 00:42:27] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:31] [INFO ] [Nat]Absence check using state equation in 4537 ms returned unknown
[2026-05-25 00:42:31] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2026-05-25 00:42:31] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:36] [INFO ] [Nat]Absence check using state equation in 4533 ms returned unknown
[2026-05-25 00:42:36] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2026-05-25 00:42:36] [INFO ] Solution in real domain found non-integer solution.
[2026-05-25 00:42:41] [INFO ] [Nat]Absence check using state equation in 4539 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 15 out of 29 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29/29 places, 295/295 transitions.
Applied a total of 0 rules in 12 ms. Remains 29 /29 variables (removed 0) and now considering 295/295 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 29/29 places, 295/295 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29/29 places, 295/295 transitions.
Applied a total of 0 rules in 5 ms. Remains 29 /29 variables (removed 0) and now considering 295/295 (removed 0) transitions.
[2026-05-25 00:42:41] [INFO ] Invariant cache hit.
[2026-05-25 00:42:41] [INFO ] Implicit Places using invariants in 25 ms returned []
[2026-05-25 00:42:41] [INFO ] Invariant cache hit.
[2026-05-25 00:42:41] [INFO ] State equation strengthened by 35 read => feed constraints.
[2026-05-25 00:42:41] [INFO ] Implicit Places using invariants and state equation in 460 ms returned []
Implicit Place search using SMT with State Equation took 487 ms to find 0 implicit places.
[2026-05-25 00:42:41] [INFO ] Redundant transitions in 23 ms returned []
Running 272 sub problems to find dead transitions.
[2026-05-25 00:42:41] [INFO ] Invariant cache hit.
[2026-05-25 00:42:41] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (OVERLAPS) 295/321 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/321 variables, 35/61 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/321 variables, 0/61 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (OVERLAPS) 3/324 variables, 3/64 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/324 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (OVERLAPS) 0/324 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 324/324 variables, and 64 constraints, problems are : Problem set: 0 solved, 272 unsolved in 10850 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/26 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (OVERLAPS) 295/321 variables, 26/26 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/321 variables, 35/61 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/321 variables, 272/333 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/321 variables, 0/333 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (OVERLAPS) 3/324 variables, 3/336 constraints. Problems are: Problem set: 0 solved, 272 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 324/324 variables, and 336 constraints, problems are : Problem set: 0 solved, 272 unsolved in 30023 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 40982ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 40984ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41509 ms. Remains : 29/29 places, 295/295 transitions.
findPositiveTsemiflow completed in 17 ms - Net is bounded UNSAT
RANDOM walk for 40000 steps (3355 resets) in 1439 ms. (27 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (27 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (120 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (28 resets) in 13 ms. (285 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (31 resets) in 16 ms. (235 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (29 resets) in 13 ms. (285 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (26 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4002 steps (26 resets) in 14 ms. (266 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (33 resets) in 13 ms. (286 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (24 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 10 ms. (364 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (26 resets) in 11 ms. (333 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (27 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 12 ms. (308 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 12 ms. (308 steps per ms) remains 15/15 properties
[2026-05-25 00:43:23] [INFO ] Flatten gal took : 87 ms
[2026-05-25 00:43:23] [INFO ] Flatten gal took : 25 ms
[2026-05-25 00:43:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality864627425969026376.gal : 11 ms
[2026-05-25 00:43:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality1222587192107172341.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/ReachabilityCardinality864627425969026376.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality1222587192107172341.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202604301425/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...327
Loading property file /tmp/ReachabilityCardinality1222587192107172341.prop.
SDD proceeding with computation,15 properties remain. new max is 4
SDD size :1 after 21
SDD proceeding with computation,15 properties remain. new max is 8
SDD size :21 after 45
SDD proceeding with computation,15 properties remain. new max is 16
SDD size :45 after 119
SDD proceeding with computation,15 properties remain. new max is 32
SDD size :119 after 385
SDD proceeding with computation,15 properties remain. new max is 64
SDD size :385 after 770
SDD proceeding with computation,15 properties remain. new max is 128
SDD size :770 after 1950
SDD proceeding with computation,15 properties remain. new max is 256
SDD size :1950 after 10657
SDD proceeding with computation,15 properties remain. new max is 512
SDD size :10657 after 93506
SDD proceeding with computation,15 properties remain. new max is 1024
SDD size :93506 after 251632
SDD proceeding with computation,15 properties remain. new max is 2048
SDD size :251632 after 819210
SDD proceeding with computation,15 properties remain. new max is 4096
SDD size :819210 after 1.60413e+06
SDD proceeding with computation,15 properties remain. new max is 8192
SDD size :1.60413e+06 after 3.88134e+06
SDD proceeding with computation,15 properties remain. new max is 16384
SDD size :3.88134e+06 after 1.65684e+07
SDD proceeding with computation,15 properties remain. new max is 32768
SDD size :1.65684e+07 after 7.68636e+07
Interrupted probabilistic random walk after 550773 steps, run timeout after 3001 ms. (steps per millisecond=183 ) properties seen :0 out of 15
Probabilistic random walk after 550773 steps, saw 117170 distinct states, run finished after 3005 ms. (steps per millisecond=183 ) properties seen :0
[2026-05-25 00:43:26] [INFO ] Invariant cache hit.
[2026-05-25 00:43:26] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 239/254 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 35/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 70/324 variables, 14/64 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/324 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/324 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 324/324 variables, and 64 constraints, problems are : Problem set: 0 solved, 15 unsolved in 650 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 239/254 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 35/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 15 unsolved
SDD proceeding with computation,15 properties remain. new max is 65536
SDD size :3.75387e+08 after 4.4256e+08
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 324/324 variables, and 65 constraints, problems are : Problem set: 0 solved, 15 unsolved in 5022 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5677ms problems are : Problem set: 0 solved, 15 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 15 out of 29 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 29/29 places, 295/295 transitions.
Applied a total of 0 rules in 5 ms. Remains 29 /29 variables (removed 0) and now considering 295/295 (removed 0) transitions.
Skipped dead transition search.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 29/29 places, 295/295 transitions.
RANDOM walk for 40000 steps (3329 resets) in 839 ms. (47 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (25 resets) in 9 ms. (400 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (120 resets) in 9 ms. (400 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (25 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (27 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (26 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (25 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (30 resets) in 19 ms. (200 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (24 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (29 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (26 resets) in 7 ms. (500 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (28 resets) in 21 ms. (182 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (31 resets) in 11 ms. (333 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (27 resets) in 6 ms. (572 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (36 resets) in 8 ms. (444 steps per ms) remains 15/15 properties
Interrupted probabilistic random walk after 564934 steps, run timeout after 3001 ms. (steps per millisecond=188 ) properties seen :0 out of 15
Probabilistic random walk after 564934 steps, saw 120029 distinct states, run finished after 3001 ms. (steps per millisecond=188 ) properties seen :0
[2026-05-25 00:43:35] [INFO ] Invariant cache hit.
[2026-05-25 00:43:35] [INFO ] State equation strengthened by 35 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 239/254 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 35/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 0/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (OVERLAPS) 70/324 variables, 14/64 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/324 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (OVERLAPS) 0/324 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 324/324 variables, and 64 constraints, problems are : Problem set: 0 solved, 15 unsolved in 546 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 15 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (OVERLAPS) 239/254 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/254 variables, 35/50 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 1/51 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/51 constraints. Problems are: Problem set: 0 solved, 15 unsolved
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,6.02972e+08,13.1594,284208,2,17390,21,1.02803e+06,21,0,468,1.40144e+06,0
Total reachable state count : 602971725
Verifying 15 reachability properties.
Invariant property MIN0 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
MIN0,0,13.1614,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN1 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
MIN1,0,13.1665,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN2 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
MIN2,0,13.1754,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN3 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
MIN3,0,13.1766,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN4 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
MIN4,0,13.1771,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN5 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
MIN5,0,13.179,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN6 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
MIN6,0,13.1804,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN7 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
MIN7,0,13.1889,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN8 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
MIN8,0,13.1914,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN9 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
MIN9,0,13.1916,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN10 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
MIN10,0,13.1962,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN11 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
MIN11,0,13.1964,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN12 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
MIN12,0,13.2029,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN13 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
MIN13,0,13.2076,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
Invariant property MIN14 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
MIN14,0,13.2134,284208,1,0,21,1.02803e+06,21,0,469,1.40144e+06,0
After SMT solving in domain Int declared 324/324 variables, and 65 constraints, problems are : Problem set: 15 solved, 0 unsolved in 45013 ms.
Refiners :[State Equation: 29/29 constraints, ReadFeed: 35/35 constraints, PredecessorRefiner: 1/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 45562ms problems are : Problem set: 15 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-00 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-01 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-02 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-03 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-04 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-05 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-06 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-07 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-08 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-09 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-11 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-12 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-13 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-14 2 TECHNIQUES REACHABILITY_MIN
FORMULA DNAwalker-PT-14ringLRLarge-UpperBounds-15 2 TECHNIQUES REACHABILITY_MIN
Current structural bounds on expressions (after reachability check) : Max Seen:[] Max Struct:[]
[2026-05-25 00:44:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[] Max Struct:[]
RANDOM walk for 1000000 steps (83088 resets) in 2841 ms. (351 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
All properties solved without resorting to model-checking.
Total runtime 312409 ms.
BK_STOP 1779669863695
--------------------
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
+ [[ UpperBounds = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution UpperBounds -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 UpperBounds -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="DNAwalker-PT-14ringLRLarge"
export BK_EXAMINATION="UpperBounds"
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 DNAwalker-PT-14ringLRLarge, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r098-tall-177955695800829"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DNAwalker-PT-14ringLRLarge.tgz
mv DNAwalker-PT-14ringLRLarge execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.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 '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;