About the Execution of ITS-Tools for ShieldPPPt-PT-030A
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 583531.00 | 0.00 | 0.00 | FFFFFFFFFFTFFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r198-tall-174894533600892.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-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 2-5832
Executing tool itstools
Input is ShieldPPPt-PT-030A, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894533600892
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 628K
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 41K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:33 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.6K May 29 14:33 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.7K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 84K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:33 equiv_col
-rw-r--r-- 1 mcc users 5 May 29 14:33 instance
-rw-r--r-- 1 mcc users 6 May 29 14:33 iscolored
-rw-r--r-- 1 mcc users 201K May 29 14:33 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 ShieldPPPt-PT-030A-LTLFireability-00
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-01
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-02
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-03
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-04
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-05
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-06
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-07
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-08
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-09
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-10
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-11
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-12
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-13
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-14
FORMULA_NAME ShieldPPPt-PT-030A-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1749313431605
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-030A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202505121319
[2025-06-07 16:23:53] [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]
[2025-06-07 16:23:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 16:23:53] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2025-06-07 16:23:53] [INFO ] Transformed 753 places.
[2025-06-07 16:23:53] [INFO ] Transformed 543 transitions.
[2025-06-07 16:23:53] [INFO ] Found NUPN structural information;
[2025-06-07 16:23:53] [INFO ] Parsed PT model containing 753 places and 543 transitions and 2166 arcs in 226 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
FORMULA ShieldPPPt-PT-030A-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 64 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 72 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
// Phase 1: matrix 542 rows 753 cols
[2025-06-07 16:23:53] [INFO ] Computed 331 invariants in 19 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:23:54] [INFO ] Implicit Places using invariants in 615 ms returned []
[2025-06-07 16:23:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:23:54] [INFO ] Implicit Places using invariants and state equation in 692 ms returned []
Implicit Place search using SMT with State Equation took 1339 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:23:54] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30024 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30030 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60267ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60283ms
Finished structural reductions in LTL mode , in 1 iterations and 61715 ms. Remains : 753/753 places, 542/542 transitions.
Support contains 64 out of 753 places after structural reductions.
[2025-06-07 16:24:55] [INFO ] Flatten gal took : 110 ms
[2025-06-07 16:24:55] [INFO ] Flatten gal took : 55 ms
[2025-06-07 16:24:55] [INFO ] Input system was already deterministic with 542 transitions.
Support contains 61 out of 753 places (down from 64) after GAL structural reductions.
RANDOM walk for 40000 steps (8 resets) in 2138 ms. (18 steps per ms) remains 15/34 properties
BEST_FIRST walk for 4002 steps (8 resets) in 54 ms. (72 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 43 ms. (90 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 42 ms. (93 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 63 ms. (62 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 36 ms. (108 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 40 ms. (97 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 33 ms. (117 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 29 ms. (133 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 30 ms. (129 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 27 ms. (142 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4003 steps (8 resets) in 37 ms. (105 steps per ms) remains 15/15 properties
BEST_FIRST walk for 4004 steps (8 resets) in 24 ms. (160 steps per ms) remains 15/15 properties
[2025-06-07 16:24:56] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 41/68 variables, 28/55 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 41/96 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 685/753 variables, 303/399 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 685/1084 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 15 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/1295 variables, 0/1837 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (OVERLAPS) 0/1295 variables, 0/1837 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1295/1295 variables, and 1837 constraints, problems are : Problem set: 0 solved, 15 unsolved in 1400 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 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
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/27 variables, 27/27 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/27 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 2 (OVERLAPS) 41/68 variables, 28/55 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 41/96 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 5 (OVERLAPS) 685/753 variables, 303/399 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 685/1084 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 8 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1295 variables, 15/1852 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1295 variables, 0/1852 constraints. Problems are: Problem set: 0 solved, 15 unsolved
At refinement iteration 11 (OVERLAPS) 0/1295 variables, 0/1852 constraints. Problems are: Problem set: 0 solved, 15 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 1852 constraints, problems are : Problem set: 0 solved, 15 unsolved in 3265 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 15/15 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 4679ms problems are : Problem set: 0 solved, 15 unsolved
Fused 15 Parikh solutions to 11 different solutions.
Finished Parikh walk after 33988 steps, including 37 resets, run visited all 15 properties in 463 ms. (steps per millisecond=73 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 15 properties in 473 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-09 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ShieldPPPt-PT-030A-LTLFireability-01 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA ShieldPPPt-PT-030A-LTLFireability-12 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 1 stabilizing places and 1 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!p0&&((X(!p0) U ((X(!p0)&&G(p1))||X(G(!p0)))) U (G((X(!p0) U ((X(!p0)&&G(p1))||X(G(!p0)))))||(X(!p2)&&(X(!p0) U ((X(!p0)&&G(p1))||X(G(!p0))))))))))'
Support contains 5 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 37 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
[2025-06-07 16:25:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:25:02] [INFO ] Implicit Places using invariants in 388 ms returned []
[2025-06-07 16:25:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:25:03] [INFO ] Implicit Places using invariants and state equation in 748 ms returned []
Implicit Place search using SMT with State Equation took 1139 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:25:03] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30015 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30030 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60166ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60169ms
Finished structural reductions in LTL mode , in 1 iterations and 61362 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 423 ms :[true, p0, (NOT p1), (AND (NOT p1) p0), p0, p0, p0, p0, p0]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-00
Product exploration explored 100000 steps with 0 reset in 670 ms.
Product exploration explored 100000 steps with 0 reset in 792 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 12 factoid took 127 ms. Reduced automaton from 9 states, 27 edges and 3 AP (stutter sensitive) to 8 states, 16 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 300 ms :[true, (NOT p1), (AND (NOT p1) p0), p0, p0, p0, p0, p0]
RANDOM walk for 40000 steps (8 resets) in 540 ms. (73 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 344 ms. (115 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 234 ms. (170 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 406 ms. (98 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 249 ms. (160 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 204 ms. (195 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 258 ms. (154 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 313109 steps, run timeout after 3001 ms. (steps per millisecond=104 ) properties seen :5 out of 6
Probabilistic random walk after 313109 steps, saw 304617 distinct states, run finished after 3007 ms. (steps per millisecond=104 ) properties seen :5
[2025-06-07 16:26:09] [INFO ] Invariant cache hit.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 6/10 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 743/753 variables, 327/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 743/1084 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1295 variables, 0/1837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/1295 variables, 0/1837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1295/1295 variables, and 1837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 360 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/4 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 6/10 variables, 4/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/10 variables, 6/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/10 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 743/753 variables, 327/341 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/753 variables, 743/1084 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1295 variables, 1/1838 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1295 variables, 0/1838 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/1295 variables, 0/1838 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 1838 constraints, problems are : Problem set: 0 solved, 1 unsolved in 508 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 879ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 771 steps, including 0 resets, run visited all 1 properties in 14 ms. (steps per millisecond=55 )
Parikh walk visited 1 properties in 15 ms.
Knowledge obtained : [(AND (NOT p1) (NOT p0) p2), (X (AND (NOT p0) (NOT p1))), (X (NOT p0)), (X (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) p1 p2)))), (X (X (AND (NOT p0) (NOT p1) (NOT p2)))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT p1)))]
False Knowledge obtained : [(F p0), (F p1), (F (NOT (OR p0 (NOT p1)))), (F (NOT (OR (NOT p0) p1))), (F (NOT (AND (NOT p0) (NOT p1)))), (F (NOT (OR (NOT p0) (NOT p1))))]
Property proved to be false thanks to negative knowledge :(F (NOT (OR (NOT p0) p1)))
Knowledge based reduction with 12 factoid took 238 ms. Reduced automaton from 8 states, 16 edges and 2 AP (stutter sensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-030A-LTLFireability-00 FALSE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-030A-LTLFireability-00 finished in 68655 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(((!p0 U (p1||G(!p0)))&&(!p2 U (p3||G(!p2))))))))'
Support contains 7 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 20 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
[2025-06-07 16:26:10] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:26:11] [INFO ] Implicit Places using invariants in 355 ms returned []
[2025-06-07 16:26:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:26:11] [INFO ] Implicit Places using invariants and state equation in 628 ms returned []
Implicit Place search using SMT with State Equation took 985 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:26:11] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30018 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30019 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60138ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60142ms
Finished structural reductions in LTL mode , in 1 iterations and 61150 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 142 ms :[true, (OR (AND p0 (NOT p1)) (AND p2 (NOT p3))), (OR (AND p0 (NOT p1)) (AND p2 (NOT p3))), (OR (AND p0 (NOT p1)) (AND p2 (NOT p3)))]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-02
Entered a terminal (fully accepting) state of product in 28 steps with 0 reset in 1 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-02 finished in 61316 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||X((p1||F(G(p2)))))))'
Support contains 6 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 16 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
[2025-06-07 16:27:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:27:12] [INFO ] Implicit Places using invariants in 370 ms returned []
[2025-06-07 16:27:12] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:27:13] [INFO ] Implicit Places using invariants and state equation in 611 ms returned []
Implicit Place search using SMT with State Equation took 982 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:27:13] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30018 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30023 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60127ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60129ms
Finished structural reductions in LTL mode , in 1 iterations and 61129 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2))]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-03
Product exploration explored 100000 steps with 1902 reset in 679 ms.
Stack based approach found an accepted trace after 45 steps with 2 reset with depth 9 and stack size 9 in 1 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-03 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-03 finished in 61898 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 4 out of 753 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 751 transition count 540
Applied a total of 4 rules in 49 ms. Remains 751 /753 variables (removed 2) and now considering 540/542 (removed 2) transitions.
// Phase 1: matrix 540 rows 751 cols
[2025-06-07 16:28:14] [INFO ] Computed 331 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:28:14] [INFO ] Implicit Places using invariants in 523 ms returned [744]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 525 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 750/753 places, 540/542 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 750 transition count 538
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 748 transition count 538
Applied a total of 4 rules in 29 ms. Remains 748 /750 variables (removed 2) and now considering 538/540 (removed 2) transitions.
// Phase 1: matrix 538 rows 748 cols
[2025-06-07 16:28:14] [INFO ] Computed 330 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:28:14] [INFO ] Implicit Places using invariants in 342 ms returned [731, 735]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 344 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 746/753 places, 538/542 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 744 transition count 536
Applied a total of 4 rules in 31 ms. Remains 744 /746 variables (removed 2) and now considering 536/538 (removed 2) transitions.
// Phase 1: matrix 536 rows 744 cols
[2025-06-07 16:28:15] [INFO ] Computed 328 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:28:15] [INFO ] Implicit Places using invariants in 377 ms returned []
[2025-06-07 16:28:15] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:28:15] [INFO ] Implicit Places using invariants and state equation in 603 ms returned []
Implicit Place search using SMT with State Equation took 981 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 744/753 places, 536/542 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 1960 ms. Remains : 744/753 places, 536/542 transitions.
Stuttering acceptance computed with spot in 60 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-04
Product exploration explored 100000 steps with 591 reset in 508 ms.
Stack based approach found an accepted trace after 52 steps with 0 reset with depth 53 and stack size 53 in 1 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-04 finished in 2547 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(p0) U X(p1))&&F(!p0)&&F(p2)))'
Support contains 5 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 10 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
// Phase 1: matrix 542 rows 753 cols
[2025-06-07 16:28:16] [INFO ] Computed 331 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:28:16] [INFO ] Implicit Places using invariants in 349 ms returned []
[2025-06-07 16:28:16] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:28:17] [INFO ] Implicit Places using invariants and state equation in 624 ms returned []
Implicit Place search using SMT with State Equation took 978 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:28:17] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30021 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30020 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60129ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60130ms
Finished structural reductions in LTL mode , in 1 iterations and 61121 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 217 ms :[(OR (NOT p2) (NOT p1) p0), p0, (NOT p2), (AND (NOT p0) (NOT p1)), (NOT p1), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-05
Product exploration explored 100000 steps with 6 reset in 545 ms.
Stack based approach found an accepted trace after 6 steps with 0 reset with depth 7 and stack size 7 in 0 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-05 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-05 finished in 61912 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U X(p1))||(p2 U p3))))'
Support contains 6 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 11 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
[2025-06-07 16:29:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:29:18] [INFO ] Implicit Places using invariants in 385 ms returned []
[2025-06-07 16:29:18] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:29:19] [INFO ] Implicit Places using invariants and state equation in 626 ms returned []
Implicit Place search using SMT with State Equation took 1015 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:29:19] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30017 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30019 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60119ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60120ms
Finished structural reductions in LTL mode , in 1 iterations and 61147 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 271 ms :[true, (AND (NOT p1) (NOT p3)), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p3)), (NOT p3), (AND (NOT p1) (NOT p3)), (AND (NOT p1) (NOT p3))]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-06
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-06 finished in 61441 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(G(p0))&&F(p1))))'
Support contains 4 out of 753 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 751 transition count 540
Applied a total of 4 rules in 36 ms. Remains 751 /753 variables (removed 2) and now considering 540/542 (removed 2) transitions.
// Phase 1: matrix 540 rows 751 cols
[2025-06-07 16:30:19] [INFO ] Computed 331 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:30:20] [INFO ] Implicit Places using invariants in 391 ms returned [744]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 392 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 750/753 places, 540/542 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 750 transition count 538
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 748 transition count 538
Applied a total of 4 rules in 22 ms. Remains 748 /750 variables (removed 2) and now considering 538/540 (removed 2) transitions.
// Phase 1: matrix 538 rows 748 cols
[2025-06-07 16:30:20] [INFO ] Computed 330 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:30:20] [INFO ] Implicit Places using invariants in 380 ms returned [731, 735]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 381 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 746/753 places, 538/542 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 744 transition count 536
Applied a total of 4 rules in 23 ms. Remains 744 /746 variables (removed 2) and now considering 536/538 (removed 2) transitions.
// Phase 1: matrix 536 rows 744 cols
[2025-06-07 16:30:20] [INFO ] Computed 328 invariants in 6 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:30:21] [INFO ] Implicit Places using invariants in 386 ms returned []
[2025-06-07 16:30:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:30:21] [INFO ] Implicit Places using invariants and state equation in 608 ms returned []
Implicit Place search using SMT with State Equation took 995 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 744/753 places, 536/542 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 1849 ms. Remains : 744/753 places, 536/542 transitions.
Stuttering acceptance computed with spot in 108 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-07
Product exploration explored 100000 steps with 9 reset in 542 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-07 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-07 finished in 2514 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U X(X(X((G(p1) U p2))))) U X(p3)))'
Support contains 6 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 13 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
// Phase 1: matrix 542 rows 753 cols
[2025-06-07 16:30:22] [INFO ] Computed 331 invariants in 3 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:30:22] [INFO ] Implicit Places using invariants in 385 ms returned []
[2025-06-07 16:30:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:30:23] [INFO ] Implicit Places using invariants and state equation in 684 ms returned []
Implicit Place search using SMT with State Equation took 1071 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:30:23] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30018 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30025 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60132ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60134ms
Finished structural reductions in LTL mode , in 1 iterations and 61219 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 454 ms :[(NOT p3), (AND (NOT p2) (NOT p3)), (NOT p3), (AND (NOT p2) (NOT p3)), (NOT p2), (NOT p2), true, (NOT p1), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2)]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-08
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-08 finished in 61709 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((X(p0) U G((p1||F(!p0)))) U X(p2)))'
Support contains 5 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 10 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
[2025-06-07 16:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:31:24] [INFO ] Implicit Places using invariants in 350 ms returned []
[2025-06-07 16:31:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:31:25] [INFO ] Implicit Places using invariants and state equation in 635 ms returned []
Implicit Place search using SMT with State Equation took 987 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:31:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30019 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30027 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60127ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60128ms
Finished structural reductions in LTL mode , in 1 iterations and 61127 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 234 ms :[(NOT p2), (NOT p2), (AND p0 (NOT p1)), p0, (AND p0 (NOT p1)), (AND p0 (NOT p1))]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-10
Product exploration explored 100000 steps with 50000 reset in 1762 ms.
Product exploration explored 100000 steps with 50000 reset in 1803 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X p2), (X (NOT (AND (NOT p1) p0 (NOT p2)))), (X (NOT (AND (NOT p0) (NOT p2)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT (AND p1 p0)))), (X (X p2)), (X (X (NOT (AND (NOT p1) p0 (NOT p2))))), (X (X (NOT (AND (NOT p1) p0)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X (NOT p0))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 13 factoid took 20 ms. Reduced automaton from 6 states, 13 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ShieldPPPt-PT-030A-LTLFireability-10 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ShieldPPPt-PT-030A-LTLFireability-10 finished in 64974 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 753 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 3 place count 750 transition count 540
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 3 place count 750 transition count 538
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 7 place count 748 transition count 538
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 747 transition count 537
Applied a total of 9 rules in 42 ms. Remains 747 /753 variables (removed 6) and now considering 537/542 (removed 5) transitions.
// Phase 1: matrix 537 rows 747 cols
[2025-06-07 16:32:29] [INFO ] Computed 330 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:32:29] [INFO ] Implicit Places using invariants in 352 ms returned [730, 734]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 353 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 745/753 places, 537/542 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 743 transition count 535
Applied a total of 4 rules in 18 ms. Remains 743 /745 variables (removed 2) and now considering 535/537 (removed 2) transitions.
// Phase 1: matrix 535 rows 743 cols
[2025-06-07 16:32:29] [INFO ] Computed 328 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:32:29] [INFO ] Implicit Places using invariants in 357 ms returned []
[2025-06-07 16:32:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:32:30] [INFO ] Implicit Places using invariants and state equation in 570 ms returned []
Implicit Place search using SMT with State Equation took 929 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 743/753 places, 535/542 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1342 ms. Remains : 743/753 places, 535/542 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-11
Product exploration explored 100000 steps with 0 reset in 506 ms.
Stack based approach found an accepted trace after 256 steps with 0 reset with depth 257 and stack size 257 in 2 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-11 finished in 1891 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(F(p0))))'
Support contains 3 out of 753 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Applied a total of 0 rules in 7 ms. Remains 753 /753 variables (removed 0) and now considering 542/542 (removed 0) transitions.
// Phase 1: matrix 542 rows 753 cols
[2025-06-07 16:32:31] [INFO ] Computed 331 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:32:31] [INFO ] Implicit Places using invariants in 363 ms returned []
[2025-06-07 16:32:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:32:32] [INFO ] Implicit Places using invariants and state equation in 627 ms returned []
Implicit Place search using SMT with State Equation took 1006 ms to find 0 implicit places.
Running 541 sub problems to find dead transitions.
[2025-06-07 16:32:32] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 753/1295 variables, and 1084 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30017 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 0/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 541 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/752 variables, 752/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/752 variables, 0/752 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 2 (OVERLAPS) 1/753 variables, 331/1083 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/753 variables, 1/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/753 variables, 0/1084 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 5 (OVERLAPS) 542/1295 variables, 753/1837 constraints. Problems are: Problem set: 0 solved, 541 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1295 variables, 541/2378 constraints. Problems are: Problem set: 0 solved, 541 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1295/1295 variables, and 2378 constraints, problems are : Problem set: 0 solved, 541 unsolved in 30021 ms.
Refiners :[Domain max(s): 753/753 constraints, Positive P Invariants (semi-flows): 331/331 constraints, State Equation: 753/753 constraints, PredecessorRefiner: 541/541 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60129ms problems are : Problem set: 0 solved, 541 unsolved
Search for dead transitions found 0 dead transitions in 60130ms
Finished structural reductions in LTL mode , in 1 iterations and 61144 ms. Remains : 753/753 places, 542/542 transitions.
Stuttering acceptance computed with spot in 105 ms :[(NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-13
Product exploration explored 100000 steps with 5 reset in 494 ms.
Stack based approach found an accepted trace after 58 steps with 0 reset with depth 59 and stack size 59 in 0 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-13 finished in 61764 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 2 out of 753 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 753/753 places, 542/542 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 751 transition count 540
Applied a total of 4 rules in 24 ms. Remains 751 /753 variables (removed 2) and now considering 540/542 (removed 2) transitions.
// Phase 1: matrix 540 rows 751 cols
[2025-06-07 16:33:32] [INFO ] Computed 331 invariants in 5 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:33:33] [INFO ] Implicit Places using invariants in 365 ms returned [744]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 366 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 750/753 places, 540/542 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 0 place count 750 transition count 538
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 748 transition count 538
Applied a total of 4 rules in 16 ms. Remains 748 /750 variables (removed 2) and now considering 538/540 (removed 2) transitions.
// Phase 1: matrix 538 rows 748 cols
[2025-06-07 16:33:33] [INFO ] Computed 330 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:33:33] [INFO ] Implicit Places using invariants in 367 ms returned [731, 735]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 368 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 746/753 places, 538/542 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 744 transition count 536
Applied a total of 4 rules in 17 ms. Remains 744 /746 variables (removed 2) and now considering 536/538 (removed 2) transitions.
// Phase 1: matrix 536 rows 744 cols
[2025-06-07 16:33:33] [INFO ] Computed 328 invariants in 2 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:33:33] [INFO ] Implicit Places using invariants in 349 ms returned []
[2025-06-07 16:33:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 16:33:34] [INFO ] Implicit Places using invariants and state equation in 613 ms returned []
Implicit Place search using SMT with State Equation took 964 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 3 : 744/753 places, 536/542 transitions.
Finished structural reductions in SI_LTL mode , in 3 iterations and 1755 ms. Remains : 744/753 places, 536/542 transitions.
Stuttering acceptance computed with spot in 26 ms :[(NOT p0)]
Running random walk in product with property : ShieldPPPt-PT-030A-LTLFireability-15
Product exploration explored 100000 steps with 0 reset in 497 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA ShieldPPPt-PT-030A-LTLFireability-15 FALSE TECHNIQUES STACK_TEST
Treatment of property ShieldPPPt-PT-030A-LTLFireability-15 finished in 2298 ms.
All properties solved by simple procedures.
Total runtime 581963 ms.
BK_STOP 1749314015136
--------------------
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_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /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="ShieldPPPt-PT-030A"
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 2-5832"
echo " Executing tool itstools"
echo " Input is ShieldPPPt-PT-030A, 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 r198-tall-174894533600892"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-030A.tgz
mv ShieldPPPt-PT-030A 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 '
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 ;