About the Execution of ITS-Tools for ShieldPPPt-PT-050A
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 150935.00 | 0.00 | 0.00 | FFTTTTTTTTFTTTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r198-tall-174894533600927.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-050A, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894533600927
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 800K
-rw-r--r-- 1 mcc users 7.5K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K 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 3.7K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 101K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.9K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 87K 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 337K 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-050A-ReachabilityFireability-2025-00
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-01
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-02
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-03
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-04
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-05
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-06
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-07
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-08
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-09
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-10
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-11
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-12
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-13
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-14
FORMULA_NAME ShieldPPPt-PT-050A-ReachabilityFireability-2025-15
=== Now, execution of the tool begins
BK_START 1749334338824
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldPPPt-PT-050A
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-07 22:12:20] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-07 22:12:20] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-07 22:12:20] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2025-06-07 22:12:20] [INFO ] Transformed 1253 places.
[2025-06-07 22:12:20] [INFO ] Transformed 903 transitions.
[2025-06-07 22:12:20] [INFO ] Found NUPN structural information;
[2025-06-07 22:12:20] [INFO ] Parsed PT model containing 1253 places and 903 transitions and 3606 arcs in 263 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 15 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
RANDOM walk for 40000 steps (8 resets) in 2050 ms. (19 steps per ms) remains 13/16 properties
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-09 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-07 22:12:21] [INFO ] Flatten gal took : 304 ms
BEST_FIRST walk for 40004 steps (8 resets) in 736 ms. (54 steps per ms) remains 13/13 properties
[2025-06-07 22:12:21] [INFO ] Flatten gal took : 186 ms
[2025-06-07 22:12:21] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality10639010295210964040.gal : 74 ms
[2025-06-07 22:12:21] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality13364251116739075107.prop : 7 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality10639010295210964040.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality13364251116739075107.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
BEST_FIRST walk for 40004 steps (8 resets) in 1175 ms. (34 steps per ms) remains 13/13 properties
Loading property file /tmp/ReachabilityCardinality13364251116739075107.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 821 ms. (48 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 881 ms. (45 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 491 ms. (81 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 553 ms. (72 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 577 ms. (69 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40002 steps (8 resets) in 361 ms. (110 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 456 ms. (87 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 353 ms. (113 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (8 resets) in 378 ms. (105 steps per ms) remains 13/13 properties
SDD proceeding with computation,13 properties remain. new max is 4
SDD size :2 after 3
SDD proceeding with computation,13 properties remain. new max is 8
SDD size :3 after 10
SDD proceeding with computation,13 properties remain. new max is 16
SDD size :10 after 24
SDD proceeding with computation,13 properties remain. new max is 32
SDD size :24 after 49
Invariant property ShieldPPPt-PT-050A-ReachabilityFireability-2025-10 does not hold.
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-10 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,12 properties remain. new max is 32
SDD size :49 after 99
SDD proceeding with computation,12 properties remain. new max is 64
SDD size :99 after 148
Reachability property ShieldPPPt-PT-050A-ReachabilityFireability-2025-02 is true.
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
SDD proceeding with computation,11 properties remain. new max is 64
SDD size :148 after 439
SDD proceeding with computation,11 properties remain. new max is 128
SDD size :439 after 1865
SDD proceeding with computation,11 properties remain. new max is 256
SDD size :1865 after 314281
SDD proceeding with computation,11 properties remain. new max is 512
SDD size :314281 after 5.20621e+06
BEST_FIRST walk for 40004 steps (8 resets) in 636 ms. (62 steps per ms) remains 13/13 properties
SDD proceeding with computation,11 properties remain. new max is 1024
SDD size :5.20621e+06 after 1.2448e+10
SDD proceeding with computation,11 properties remain. new max is 2048
SDD size :1.2448e+10 after 3.21536e+18
BEST_FIRST walk for 40003 steps (8 resets) in 619 ms. (64 steps per ms) remains 13/13 properties
// Phase 1: matrix 902 rows 1253 cols
[2025-06-07 22:12:23] [INFO ] Computed 551 invariants in 43 ms
Reachability property ShieldPPPt-PT-050A-ReachabilityFireability-2025-12 is true.
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-12 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING
Excessive predecessor constraint size, skipping predecessor.
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) 0/344 variables, 344/344 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/344 variables, 37/381 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/344 variables, 0/381 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 909/1253 variables, 514/895 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 909/1804 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1253 variables, 0/1804 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 902/2155 variables, 1253/3057 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2155 variables, 0/3057 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 0/2155 variables, 0/3057 constraints. Problems are: Problem set: 1 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2155/2155 variables, and 3057 constraints, problems are : Problem set: 1 solved, 10 unsolved in 2983 ms.
Refiners :[Domain max(s): 1253/1253 constraints, Positive P Invariants (semi-flows): 551/551 constraints, State Equation: 1253/1253 constraints, PredecessorRefiner: 11/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 10 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/344 variables, 344/344 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/344 variables, 37/381 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/344 variables, 0/381 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 909/1253 variables, 514/895 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1253 variables, 909/1804 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/1253 variables, 0/1804 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 6 (OVERLAPS) 902/2155 variables, 1253/3057 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2155 variables, 6/3063 constraints. Problems are: Problem set: 1 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/2155 variables, 0/3063 constraints. Problems are: Problem set: 1 solved, 10 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 2155/2155 variables, and 3063 constraints, problems are : Problem set: 1 solved, 10 unsolved in 5053 ms.
Refiners :[Domain max(s): 1253/1253 constraints, Positive P Invariants (semi-flows): 551/551 constraints, State Equation: 1253/1253 constraints, PredecessorRefiner: 10/7 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 8245ms problems are : Problem set: 1 solved, 10 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 344 out of 1253 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1253/1253 places, 902/902 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1252 transition count 901
Partial Free-agglomeration rule applied 128 times.
Drop transitions (Partial Free agglomeration) removed 128 transitions
Iterating global reduction 0 with 128 rules applied. Total rules applied 130 place count 1252 transition count 901
Applied a total of 130 rules in 544 ms. Remains 1252 /1253 variables (removed 1) and now considering 901/902 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 564 ms. Remains : 1252/1253 places, 901/902 transitions.
RANDOM walk for 40000 steps (8 resets) in 1360 ms. (29 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 492 ms. (81 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 705 ms. (56 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 709 ms. (56 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 508 ms. (78 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 428 ms. (93 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 468 ms. (85 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 461 ms. (86 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40002 steps (8 resets) in 582 ms. (68 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 515 ms. (77 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 692 ms. (57 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 158968 steps, run timeout after 6003 ms. (steps per millisecond=26 ) properties seen :8 out of 10
Probabilistic random walk after 158968 steps, saw 156361 distinct states, run finished after 6020 ms. (steps per millisecond=26 ) properties seen :8
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-00 FALSE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 901 rows 1252 cols
[2025-06-07 22:12:40] [INFO ] Computed 551 invariants in 6 ms
[2025-06-07 22:12:40] [INFO ] State equation strengthened by 33 read => feed constraints.
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 72/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/72 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 98/170 variables, 72/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/170 variables, 98/242 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/170 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1082/1252 variables, 479/721 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1252 variables, 1082/1803 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1252 variables, 0/1803 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 901/2153 variables, 1252/3055 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2153 variables, 33/3088 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2153 variables, 0/3088 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 11 (OVERLAPS) 0/2153 variables, 0/3088 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2153/2153 variables, and 3088 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1210 ms.
Refiners :[Domain max(s): 1252/1252 constraints, Positive P Invariants (semi-flows): 551/551 constraints, State Equation: 1252/1252 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 72/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/72 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 98/170 variables, 72/144 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/170 variables, 98/242 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/170 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 1082/1252 variables, 479/721 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1252 variables, 1082/1803 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1252 variables, 0/1803 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 901/2153 variables, 1252/3055 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2153 variables, 33/3088 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2153 variables, 1/3089 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:12:43] [INFO ] Deduced a trap along path composed of 2 places in 35 ms of which 4 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/2153 variables, 1/3090 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:12:43] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/2153 variables, 1/3091 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2153 variables, 0/3091 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 14 (OVERLAPS) 0/2153 variables, 0/3091 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2153/2153 variables, and 3091 constraints, problems are : Problem set: 0 solved, 2 unsolved in 2567 ms.
Refiners :[Domain max(s): 1252/1252 constraints, Positive P Invariants (semi-flows): 551/551 constraints, State Equation: 1252/1252 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 2/2 constraints]
After SMT, in 3826ms problems are : Problem set: 0 solved, 2 unsolved
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-14 FALSE TECHNIQUES PARIKH_WALK
Parikh walk visited 1 properties in 9525 ms.
Support contains 45 out of 1252 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1252/1252 places, 901/901 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 2 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 1251 transition count 900
Partial Free-agglomeration rule applied 66 times.
Drop transitions (Partial Free agglomeration) removed 66 transitions
Iterating global reduction 0 with 66 rules applied. Total rules applied 68 place count 1251 transition count 900
Applied a total of 68 rules in 157 ms. Remains 1251 /1252 variables (removed 1) and now considering 900/901 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 157 ms. Remains : 1251/1252 places, 900/901 transitions.
RANDOM walk for 40000 steps (8 resets) in 1311 ms. (30 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 764 ms. (52 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 183962 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :0 out of 1
Probabilistic random walk after 183962 steps, saw 179561 distinct states, run finished after 3002 ms. (steps per millisecond=61 ) properties seen :0
// Phase 1: matrix 900 rows 1251 cols
[2025-06-07 22:12:57] [INFO ] Computed 551 invariants in 11 ms
[2025-06-07 22:12:57] [INFO ] State equation strengthened by 51 read => feed constraints.
Starting Z3 with timeout 75.0 s and query timeout 7500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 66/111 variables, 46/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 66/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1140/1251 variables, 505/662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1251 variables, 1140/1802 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1251 variables, 0/1802 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 900/2151 variables, 1251/3053 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2151 variables, 51/3104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2151 variables, 0/3104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/2151 variables, 0/3104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2151/2151 variables, and 3104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 720 ms.
Refiners :[Domain max(s): 1251/1251 constraints, Positive P Invariants (semi-flows): 551/551 constraints, State Equation: 1251/1251 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 1/0 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/45 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (OVERLAPS) 66/111 variables, 46/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/111 variables, 66/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 1140/1251 variables, 505/662 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1251 variables, 1140/1802 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1251 variables, 0/1802 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 900/2151 variables, 1251/3053 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/2151 variables, 51/3104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:12:59] [INFO ] Deduced a trap composed of 6 places in 246 ms of which 11 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/2151 variables, 1/3105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:12:59] [INFO ] Deduced a trap along path composed of 2 places in 123 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:12:59] [INFO ] Deduced a trap along path composed of 2 places in 64 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:12:59] [INFO ] Deduced a trap along path composed of 2 places in 78 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 95 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 74 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 79 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 67 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 71 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 47 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 45 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:00] [INFO ] Deduced a trap along path composed of 2 places in 80 ms of which 1 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/2151 variables, 11/3116 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:01] [INFO ] Deduced a trap composed of 6 places in 303 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:01] [INFO ] Deduced a trap composed of 6 places in 152 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:01] [INFO ] Deduced a trap composed of 6 places in 134 ms of which 8 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/2151 variables, 3/3119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/2151 variables, 0/3119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/2151 variables, 0/3119 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2151/2151 variables, and 3119 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3786 ms.
Refiners :[Domain max(s): 1251/1251 constraints, Positive P Invariants (semi-flows): 551/551 constraints, State Equation: 1251/1251 constraints, ReadFeed: 51/51 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 11/11 constraints]
After SMT, in 4539ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 313 ms.
Support contains 45 out of 1251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1251/1251 places, 900/900 transitions.
Applied a total of 0 rules in 33 ms. Remains 1251 /1251 variables (removed 0) and now considering 900/900 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 1251/1251 places, 900/900 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1251/1251 places, 900/900 transitions.
Applied a total of 0 rules in 30 ms. Remains 1251 /1251 variables (removed 0) and now considering 900/900 (removed 0) transitions.
[2025-06-07 22:13:02] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 22:13:04] [INFO ] Implicit Places using invariants in 1422 ms returned [1244]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 1446 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 1250/1251 places, 900/900 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 1250 transition count 898
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 1248 transition count 898
Applied a total of 4 rules in 57 ms. Remains 1248 /1250 variables (removed 2) and now considering 898/900 (removed 2) transitions.
// Phase 1: matrix 898 rows 1248 cols
[2025-06-07 22:13:04] [INFO ] Computed 550 invariants in 4 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 22:13:04] [INFO ] Implicit Places using invariants in 749 ms returned [1231, 1235]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 754 ms to find 2 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 1246/1251 places, 898/900 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 1244 transition count 896
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 1244 transition count 896
Applied a total of 4 rules in 128 ms. Remains 1244 /1246 variables (removed 2) and now considering 896/898 (removed 2) transitions.
// Phase 1: matrix 896 rows 1244 cols
[2025-06-07 22:13:05] [INFO ] Computed 548 invariants in 32 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 22:13:05] [INFO ] Implicit Places using invariants in 651 ms returned []
[2025-06-07 22:13:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 22:13:06] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-06-07 22:13:07] [INFO ] Implicit Places using invariants and state equation in 1994 ms returned []
Implicit Place search using SMT with State Equation took 2649 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 3 : 1244/1251 places, 896/900 transitions.
Finished structural reductions in REACHABILITY mode , in 3 iterations and 5065 ms. Remains : 1244/1251 places, 896/900 transitions.
RANDOM walk for 40000 steps (8 resets) in 618 ms. (64 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 275 ms. (144 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 237376 steps, run timeout after 3001 ms. (steps per millisecond=79 ) properties seen :0 out of 1
Probabilistic random walk after 237376 steps, saw 232324 distinct states, run finished after 3001 ms. (steps per millisecond=79 ) properties seen :0
[2025-06-07 22:13:10] [INFO ] Invariant cache hit.
[2025-06-07 22:13:10] [INFO ] State equation strengthened by 49 read => feed constraints.
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/111 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1133/1244 variables, 502/548 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1244 variables, 0/548 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 896/2140 variables, 1244/1792 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2140 variables, 49/1841 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/2140 variables, 0/1841 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/2140 variables, 0/1841 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 2140/2140 variables, and 1841 constraints, problems are : Problem set: 0 solved, 1 unsolved in 573 ms.
Refiners :[Positive P Invariants (semi-flows): 548/548 constraints, State Equation: 1244/1244 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 1/0 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 66/111 variables, 46/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/46 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 1133/1244 variables, 502/548 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/1244 variables, 0/548 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 896/2140 variables, 1244/1792 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/2140 variables, 49/1841 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:12] [INFO ] Deduced a trap composed of 6 places in 144 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:12] [INFO ] Deduced a trap composed of 6 places in 140 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:12] [INFO ] Deduced a trap composed of 6 places in 150 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:12] [INFO ] Deduced a trap composed of 6 places in 135 ms of which 7 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/2140 variables, 4/1845 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:13] [INFO ] Deduced a trap along path composed of 2 places in 45 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:13] [INFO ] Deduced a trap along path composed of 2 places in 42 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:13] [INFO ] Deduced a trap along path composed of 2 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:13] [INFO ] Deduced a trap along path composed of 2 places in 43 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:13] [INFO ] Deduced a trap along path composed of 2 places in 35 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:13] [INFO ] Deduced a trap along path composed of 2 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 38 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 40 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 38 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 36 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 41 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:14] [INFO ] Deduced a trap along path composed of 2 places in 33 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:15] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:15] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:15] [INFO ] Deduced a trap along path composed of 2 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:15] [INFO ] Deduced a trap along path composed of 2 places in 33 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:16] [INFO ] Deduced a trap along path composed of 2 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:16] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 0 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/2140 variables, 20/1865 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:16] [INFO ] Deduced a trap along path composed of 2 places in 32 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:16] [INFO ] Deduced a trap along path composed of 2 places in 34 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:16] [INFO ] Deduced a trap along path composed of 2 places in 38 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:16] [INFO ] Deduced a trap along path composed of 2 places in 31 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:17] [INFO ] Deduced a trap along path composed of 3 places in 30 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:17] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:17] [INFO ] Deduced a trap along path composed of 2 places in 26 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:17] [INFO ] Deduced a trap along path composed of 2 places in 42 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:18] [INFO ] Deduced a trap along path composed of 3 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:18] [INFO ] Deduced a trap along path composed of 3 places in 43 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:18] [INFO ] Deduced a trap along path composed of 2 places in 37 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:18] [INFO ] Deduced a trap along path composed of 2 places in 23 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:19] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:19] [INFO ] Deduced a trap along path composed of 2 places in 33 ms of which 0 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/2140 variables, 14/1879 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/2140 variables, 0/1879 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/2140 variables, 0/1879 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 2140/2140 variables, and 1879 constraints, problems are : Problem set: 0 solved, 1 unsolved in 8706 ms.
Refiners :[Positive P Invariants (semi-flows): 548/548 constraints, State Equation: 1244/1244 constraints, ReadFeed: 49/49 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 34/34 constraints]
After SMT, in 9295ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1000 ms.
Support contains 45 out of 1244 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1244/1244 places, 896/896 transitions.
Applied a total of 0 rules in 52 ms. Remains 1244 /1244 variables (removed 0) and now considering 896/896 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 52 ms. Remains : 1244/1244 places, 896/896 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1244/1244 places, 896/896 transitions.
Applied a total of 0 rules in 79 ms. Remains 1244 /1244 variables (removed 0) and now considering 896/896 (removed 0) transitions.
[2025-06-07 22:13:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 22:13:21] [INFO ] Implicit Places using invariants in 597 ms returned []
[2025-06-07 22:13:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-07 22:13:22] [INFO ] State equation strengthened by 49 read => feed constraints.
[2025-06-07 22:13:23] [INFO ] Implicit Places using invariants and state equation in 2068 ms returned []
Implicit Place search using SMT with State Equation took 2686 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-07 22:13:24] [INFO ] Redundant transitions in 61 ms returned []
Running 895 sub problems to find dead transitions.
[2025-06-07 22:13:24] [INFO ] Invariant cache hit.
[2025-06-07 22:13:24] [INFO ] State equation strengthened by 49 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/1243 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 895 unsolved
SMT process timed out in 30481ms, After SMT, problems are : Problem set: 0 solved, 895 unsolved
Search for dead transitions found 0 dead transitions in 30497ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33354 ms. Remains : 1244/1244 places, 896/896 transitions.
Attempting over-approximation, by ignoring read arcs.
Partial Free-agglomeration rule applied 47 times.
Drop transitions (Partial Free agglomeration) removed 47 transitions
Iterating global reduction 0 with 47 rules applied. Total rules applied 47 place count 1244 transition count 896
Drop transitions (Redundant composition of simpler transitions.) removed 47 transitions
Redundant transition composition rules discarded 47 transitions
Iterating global reduction 0 with 47 rules applied. Total rules applied 94 place count 1244 transition count 849
Applied a total of 94 rules in 111 ms. Remains 1244 /1244 variables (removed 0) and now considering 849/896 (removed 47) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 849 rows 1244 cols
[2025-06-07 22:13:54] [INFO ] Computed 548 invariants in 3 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 22:13:54] [INFO ] After 137ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-07 22:13:55] [INFO ] [Nat]Absence check using 548 positive place invariants in 93 ms returned sat
[2025-06-07 22:13:55] [INFO ] After 368ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:55] [INFO ] Deduced a trap composed of 6 places in 96 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-07 22:13:55] [INFO ] Deduced a trap composed of 6 places in 78 ms of which 5 ms to minimize.
[2025-06-07 22:13:55] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 285 ms
TRAPS : Iteration 1
[2025-06-07 22:13:55] [INFO ] After 776ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-07 22:13:55] [INFO ] After 1109ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-07 22:13:56] [INFO ] Flatten gal took : 69 ms
[2025-06-07 22:13:56] [INFO ] Flatten gal took : 73 ms
[2025-06-07 22:13:56] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality6099480789396220635.gal : 11 ms
[2025-06-07 22:13:56] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2070050025117773872.prop : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality6099480789396220635.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2070050025117773872.prop' '--nowitness' '--gen-order' 'FOLLOW'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...328
Loading property file /tmp/ReachabilityCardinality2070050025117773872.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :2 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 14
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :14 after 27
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :27 after 53
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :53 after 102
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :102 after 459
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :459 after 59025
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :59025 after 652352
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :652352 after 1.26643e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.26643e+07 after 6.89459e+09
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :6.89459e+09 after 1.67462e+13
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :1.67462e+13 after 5.33793e+16
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :5.33793e+16 after 7.02597e+20
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :7.02597e+20 after 6.78308e+27
Detected timeout of ITS tools.
[2025-06-07 22:14:11] [INFO ] Flatten gal took : 56 ms
[2025-06-07 22:14:11] [INFO ] Applying decomposition
[2025-06-07 22:14:11] [INFO ] Flatten gal took : 48 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph8963562154601110264.txt' '-o' '/tmp/graph8963562154601110264.bin' '-w' '/tmp/graph8963562154601110264.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph8963562154601110264.bin' '-l' '-1' '-v' '-w' '/tmp/graph8963562154601110264.weights' '-q' '0' '-e' '0.001'
[2025-06-07 22:14:11] [INFO ] Decomposing Gal with order
[2025-06-07 22:14:11] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 22:14:11] [INFO ] Removed a total of 291 redundant transitions.
[2025-06-07 22:14:11] [INFO ] Flatten gal took : 158 ms
[2025-06-07 22:14:12] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 142 ms.
[2025-06-07 22:14:12] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality4183712147516613632.gal : 20 ms
[2025-06-07 22:14:12] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality8396890050455581870.prop : 5 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality4183712147516613632.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality8396890050455581870.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...307
Loading property file /tmp/ReachabilityCardinality8396890050455581870.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1.11249e+07 after 1.11249e+07
Detected timeout of ITS tools.
Over-approximation ignoring read arcs solved 0 properties in 32609 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-07 22:14:27] [INFO ] Flatten gal took : 42 ms
[2025-06-07 22:14:27] [INFO ] Applying decomposition
[2025-06-07 22:14:27] [INFO ] Flatten gal took : 63 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/convert-linux64' '-i' '/tmp/graph14356715372192764151.txt' '-o' '/tmp/graph14356715372192764151.bin' '-w' '/tmp/graph14356715372192764151.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph14356715372192764151.bin' '-l' '-1' '-v' '-w' '/tmp/graph14356715372192764151.weights' '-q' '0' '-e' '0.001'
[2025-06-07 22:14:27] [INFO ] Decomposing Gal with order
[2025-06-07 22:14:27] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-07 22:14:27] [INFO ] Removed a total of 150 redundant transitions.
[2025-06-07 22:14:27] [INFO ] Flatten gal took : 53 ms
[2025-06-07 22:14:27] [INFO ] Fuse similar labels procedure discarded/fused a total of 30 labels/synchronizations in 84 ms.
[2025-06-07 22:14:27] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality11510813036992950509.gal : 10 ms
[2025-06-07 22:14:27] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality18198414777266052565.prop : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/ReachabilityCardinality11510813036992950509.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality18198414777266052565.prop' '--nowitness'
its-reach command run as :
/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...309
Loading property file /tmp/ReachabilityCardinality18198414777266052565.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 10
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :10 after 10
Reachability property ShieldPPPt-PT-050A-ReachabilityFireability-2025-06 is true.
FORMULA ShieldPPPt-PT-050A-ReachabilityFireability-2025-06 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 9 fixpoint passes
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\_mod\_flat,8.54397e+177,21.8312,602032,1252,35,1.26851e+06,240,1190,2.84883e+06,33,988,0
Total reachable state count : 8.543965045538266165110892352503964265997e+177
Verifying 1 reachability properties.
Reachability property ShieldPPPt-PT-050A-ReachabilityFireability-2025-06 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
ShieldPPPt-PT-050A-ReachabilityFireability-2025-06,3.63378e+170,21.9016,602032,381,34,1.26851e+06,240,1415,2.84883e+06,52,988,0
ITS tools runner thread asked to quit. Dying gracefully.
All properties solved without resorting to model-checking.
Total runtime 149586 ms.
BK_STOP 1749334489759
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ ReachabilityFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination ReachabilityFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="ShieldPPPt-PT-050A"
export BK_EXAMINATION="ReachabilityFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is ShieldPPPt-PT-050A, examination is ReachabilityFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r198-tall-174894533600927"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldPPPt-PT-050A.tgz
mv ShieldPPPt-PT-050A execution
cd execution
if [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "UpperBounds" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] || [ "ReachabilityFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "ReachabilityFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "ReachabilityFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityFireability" = "ReachabilityDeadlock" ] || [ "ReachabilityFireability" = "QuasiLiveness" ] || [ "ReachabilityFireability" = "StableMarking" ] || [ "ReachabilityFireability" = "Liveness" ] || [ "ReachabilityFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;