About the Execution of ITS-Tools for ShieldRVt-PT-010B
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 98957.00 | 0.00 | 0.00 | TFTFTTFTTFTTFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r212-tall-174901994000271.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)
..................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is ShieldRVt-PT-010B, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r212-tall-174901994000271
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 560K
-rw-r--r-- 1 mcc users 7.7K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 86K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K 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 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 100K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 72K 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 119K 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 ShieldRVt-PT-010B-ReachabilityFireability-2025-00
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-01
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-02
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-03
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-04
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-05
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-06
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-07
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-08
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-09
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-10
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-11
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-12
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-13
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-14
FORMULA_NAME ShieldRVt-PT-010B-ReachabilityFireability-2025-15
=== Now, execution of the tool begins
BK_START 1749106403109
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ShieldRVt-PT-010B
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-05 06:53:24] [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]
[2025-06-05 06:53:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-05 06:53:24] [INFO ] Load time of PNML (sax parser for PT used): 95 ms
[2025-06-05 06:53:24] [INFO ] Transformed 503 places.
[2025-06-05 06:53:24] [INFO ] Transformed 503 transitions.
[2025-06-05 06:53:24] [INFO ] Found NUPN structural information;
[2025-06-05 06:53:24] [INFO ] Parsed PT model containing 503 places and 503 transitions and 1186 arcs in 187 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 13 ms.
Working with output stream class java.io.PrintStream
RANDOM walk for 40000 steps (10 resets) in 1246 ms. (32 steps per ms) remains 4/16 properties
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-15 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-14 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-12 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-11 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-10 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-09 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-05 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-05 06:53:25] [INFO ] Flatten gal took : 123 ms
BEST_FIRST walk for 40004 steps (8 resets) in 379 ms. (105 steps per ms) remains 4/4 properties
[2025-06-05 06:53:25] [INFO ] Flatten gal took : 80 ms
[2025-06-05 06:53:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7774390795512688214.gal : 63 ms
[2025-06-05 06:53:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality2904513357802674097.prop : 8 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/ReachabilityCardinality7774390795512688214.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality2904513357802674097.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
BEST_FIRST walk for 40001 steps (8 resets) in 830 ms. (48 steps per ms) remains 4/4 properties
Loading property file /tmp/ReachabilityCardinality2904513357802674097.prop.
BEST_FIRST walk for 40002 steps (8 resets) in 193 ms. (206 steps per ms) remains 3/4 properties
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-03 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 183 ms. (217 steps per ms) remains 3/3 properties
// Phase 1: matrix 503 rows 503 cols
[2025-06-05 06:53:25] [INFO ] Computed 41 invariants in 15 ms
SDD proceeding with computation,4 properties remain. new max is 4
SDD size :1 after 5
SDD proceeding with computation,4 properties remain. new max is 8
SDD size :5 after 10
SDD proceeding with computation,4 properties remain. new max is 16
SDD size :10 after 23
SDD proceeding with computation,4 properties remain. new max is 32
SDD size :23 after 150
SDD proceeding with computation,4 properties remain. new max is 64
SDD size :150 after 5049
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,4 properties remain. new max is 128
SDD size :5049 after 9.17323e+06
SDD proceeding with computation,4 properties remain. new max is 256
SDD size :9.17323e+06 after 4.18727e+14
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,4 properties remain. new max is 512
SDD size :4.18727e+14 after 1.15655e+23
SDD proceeding with computation,4 properties remain. new max is 1024
SDD size :1.15655e+23 after 1.15655e+23
SDD proceeding with computation,4 properties remain. new max is 2048
SDD size :1.15655e+23 after 1.15655e+23
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/84 variables, 84/84 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/84 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,4 properties remain. new max is 4096
SDD size :1.15655e+23 after 1.15655e+23
Problem ShieldRVt-PT-010B-ReachabilityFireability-2025-13 is UNSAT
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-13 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 419/503 variables, 41/125 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 419/544 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/503 variables, 0/544 constraints. Problems are: Problem set: 1 solved, 2 unsolved
SDD proceeding with computation,4 properties remain. new max is 8192
SDD size :1.15655e+23 after 1.15655e+23
At refinement iteration 5 (OVERLAPS) 503/1006 variables, 503/1047 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/1006 variables, 0/1047 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (OVERLAPS) 0/1006 variables, 0/1047 constraints. Problems are: Problem set: 1 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1006/1006 variables, and 1047 constraints, problems are : Problem set: 1 solved, 2 unsolved in 700 ms.
Refiners :[Domain max(s): 503/503 constraints, Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 503/503 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/55 variables, 55/55 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/55 variables, 0/55 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 2 (OVERLAPS) 448/503 variables, 41/96 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/503 variables, 448/544 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:26] [INFO ] Deduced a trap composed of 20 places in 161 ms of which 24 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:26] [INFO ] Deduced a trap composed of 18 places in 122 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:26] [INFO ] Deduced a trap composed of 20 places in 163 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:27] [INFO ] Deduced a trap composed of 21 places in 130 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:27] [INFO ] Deduced a trap composed of 22 places in 140 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:27] [INFO ] Deduced a trap composed of 24 places in 147 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:27] [INFO ] Deduced a trap composed of 22 places in 116 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:27] [INFO ] Deduced a trap composed of 24 places in 142 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:27] [INFO ] Deduced a trap composed of 26 places in 127 ms of which 23 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:27] [INFO ] Deduced a trap composed of 25 places in 110 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 27 places in 124 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 26 places in 123 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 27 places in 116 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 25 places in 110 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 27 places in 114 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 29 places in 104 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 29 places in 80 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 28 places in 108 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:28] [INFO ] Deduced a trap composed of 26 places in 96 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 13 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/503 variables, 20/564 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 27 places in 105 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 28 places in 125 ms of which 20 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 30 places in 102 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 30 places in 102 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 30 places in 96 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 23 places in 75 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 32 places in 57 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:29] [INFO ] Deduced a trap composed of 19 places in 78 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/503 variables, 8/572 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:30] [INFO ] Deduced a trap composed of 25 places in 92 ms of which 13 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:30] [INFO ] Deduced a trap composed of 25 places in 125 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:30] [INFO ] Deduced a trap composed of 21 places in 67 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:30] [INFO ] Deduced a trap composed of 22 places in 67 ms of which 5 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/503 variables, 4/576 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/503 variables, 0/576 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 503/1006 variables, 503/1079 constraints. Problems are: Problem set: 1 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1006 variables, 1/1080 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:30] [INFO ] Deduced a trap composed of 27 places in 71 ms of which 6 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:30] [INFO ] Deduced a trap composed of 20 places in 63 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:31] [INFO ] Deduced a trap composed of 33 places in 85 ms of which 8 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/1006 variables, 3/1083 constraints. Problems are: Problem set: 1 solved, 2 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1006/1006 variables, and 1083 constraints, problems are : Problem set: 1 solved, 2 unsolved in 5022 ms.
Refiners :[Domain max(s): 503/503 constraints, Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 503/503 constraints, PredecessorRefiner: 2/2 constraints, Known Traps: 35/35 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 5816ms problems are : Problem set: 1 solved, 2 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 55 out of 503 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 503/503 places, 503/503 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 112 transitions
Trivial Post-agglo rules discarded 112 transitions
Performed 112 trivial Post agglomeration. Transition count delta: 112
Iterating post reduction 0 with 112 rules applied. Total rules applied 112 place count 503 transition count 391
Reduce places removed 112 places and 0 transitions.
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Iterating post reduction 1 with 127 rules applied. Total rules applied 239 place count 391 transition count 376
Reduce places removed 15 places and 0 transitions.
Iterating post reduction 2 with 15 rules applied. Total rules applied 254 place count 376 transition count 376
Performed 43 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 43 Pre rules applied. Total rules applied 254 place count 376 transition count 333
Deduced a syphon composed of 43 places in 1 ms
Reduce places removed 43 places and 0 transitions.
Iterating global reduction 3 with 86 rules applied. Total rules applied 340 place count 333 transition count 333
Discarding 56 places :
Symmetric choice reduction at 3 with 56 rule applications. Total rules 396 place count 277 transition count 277
Iterating global reduction 3 with 56 rules applied. Total rules applied 452 place count 277 transition count 277
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 21 Pre rules applied. Total rules applied 452 place count 277 transition count 256
Deduced a syphon composed of 21 places in 1 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 3 with 42 rules applied. Total rules applied 494 place count 256 transition count 256
Performed 69 Post agglomeration using F-continuation condition.Transition count delta: 69
Deduced a syphon composed of 69 places in 1 ms
Reduce places removed 69 places and 0 transitions.
Iterating global reduction 3 with 138 rules applied. Total rules applied 632 place count 187 transition count 187
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: -9
Deduced a syphon composed of 18 places in 1 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 668 place count 169 transition count 196
Free-agglomeration rule applied 4 times.
Iterating global reduction 3 with 4 rules applied. Total rules applied 672 place count 169 transition count 192
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 3 with 4 rules applied. Total rules applied 676 place count 165 transition count 192
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 677 place count 165 transition count 191
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 678 place count 165 transition count 191
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 679 place count 165 transition count 191
Applied a total of 679 rules in 124 ms. Remains 165 /503 variables (removed 338) and now considering 191/503 (removed 312) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 165/503 places, 191/503 transitions.
RANDOM walk for 40000 steps (9 resets) in 489 ms. (81 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 126 ms. (314 steps per ms) remains 1/2 properties
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40003 steps (8 resets) in 155 ms. (256 steps per ms) remains 1/1 properties
// Phase 1: matrix 191 rows 165 cols
[2025-06-05 06:53:31] [INFO ] Computed 41 invariants in 2 ms
[2025-06-05 06:53:31] [INFO ] State equation strengthened by 40 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) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 119/158 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 7/165 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/165 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 191/356 variables, 165/206 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/356 variables, 40/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/356 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/356 variables, 0/246 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 356/356 variables, and 246 constraints, problems are : Problem set: 0 solved, 1 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 165/165 constraints, ReadFeed: 40/40 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 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 119/158 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:31] [INFO ] Deduced a trap composed of 8 places in 33 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:31] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:31] [INFO ] Deduced a trap composed of 10 places in 38 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/158 variables, 3/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/158 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 7/165 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/165 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 191/356 variables, 165/209 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/356 variables, 40/249 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:32] [INFO ] Deduced a trap composed of 7 places in 44 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:32] [INFO ] Deduced a trap composed of 8 places in 41 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:32] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/356 variables, 3/252 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:32] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:32] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:32] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:32] [INFO ] Deduced a trap along path composed of 3 places in 16 ms of which 1 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/356 variables, 4/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/356 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 0/356 variables, 0/256 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 356/356 variables, and 256 constraints, problems are : Problem set: 0 solved, 1 unsolved in 711 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 165/165 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 6/6 constraints, Known Traps Along Path: 4/4 constraints]
After SMT, in 835ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 53 ms.
Support contains 39 out of 165 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 165/165 places, 191/191 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 7 rules applied. Total rules applied 7 place count 165 transition count 184
Reduce places removed 7 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 8 rules applied. Total rules applied 15 place count 158 transition count 183
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 16 place count 157 transition count 183
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 16 place count 157 transition count 182
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 18 place count 156 transition count 182
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 19 place count 155 transition count 181
Iterating global reduction 3 with 1 rules applied. Total rules applied 20 place count 155 transition count 181
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 1 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 3 with 20 rules applied. Total rules applied 40 place count 145 transition count 171
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 48 place count 141 transition count 174
Applied a total of 48 rules in 21 ms. Remains 141 /165 variables (removed 24) and now considering 174/191 (removed 17) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 141/165 places, 174/191 transitions.
RANDOM walk for 40000 steps (11 resets) in 174 ms. (228 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 128 ms. (310 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1312981 steps, run timeout after 3001 ms. (steps per millisecond=437 ) properties seen :0 out of 1
Probabilistic random walk after 1312981 steps, saw 741684 distinct states, run finished after 3007 ms. (steps per millisecond=436 ) properties seen :0
// Phase 1: matrix 174 rows 141 cols
[2025-06-05 06:53:35] [INFO ] Computed 41 invariants in 2 ms
[2025-06-05 06:53:35] [INFO ] State equation strengthened by 52 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) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 98/137 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4/141 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/141 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 174/315 variables, 141/182 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 52/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/315 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/315 variables, 0/234 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 234 constraints, problems are : Problem set: 0 solved, 1 unsolved in 110 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 141/141 constraints, ReadFeed: 52/52 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) 0/39 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 98/137 variables, 39/39 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:35] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:35] [INFO ] Deduced a trap composed of 9 places in 39 ms of which 3 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/137 variables, 2/41 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:35] [INFO ] Deduced a trap composed of 10 places in 28 ms of which 1 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/137 variables, 1/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/137 variables, 0/42 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 4/141 variables, 2/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/141 variables, 0/44 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 174/315 variables, 141/185 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 52/237 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:36] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 2 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/315 variables, 1/238 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:36] [INFO ] Deduced a trap along path composed of 2 places in 24 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/315 variables, 1/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/315 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 0/315 variables, 0/239 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 315/315 variables, and 239 constraints, problems are : Problem set: 0 solved, 1 unsolved in 474 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 141/141 constraints, ReadFeed: 52/52 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 4/4 constraints, Known Traps Along Path: 1/1 constraints]
After SMT, in 606ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 36 ms.
Support contains 39 out of 141 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 141/141 places, 174/174 transitions.
Applied a total of 0 rules in 6 ms. Remains 141 /141 variables (removed 0) and now considering 174/174 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 141/141 places, 174/174 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 141/141 places, 174/174 transitions.
Applied a total of 0 rules in 4 ms. Remains 141 /141 variables (removed 0) and now considering 174/174 (removed 0) transitions.
[2025-06-05 06:53:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:53:36] [INFO ] Implicit Places using invariants in 66 ms returned []
[2025-06-05 06:53:36] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-05 06:53:36] [INFO ] State equation strengthened by 52 read => feed constraints.
[2025-06-05 06:53:36] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-05 06:53:36] [INFO ] Redundant transitions in 6 ms returned []
Running 173 sub problems to find dead transitions.
[2025-06-05 06:53:36] [INFO ] Invariant cache hit.
[2025-06-05 06:53:36] [INFO ] State equation strengthened by 52 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/140 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 1/141 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:37] [INFO ] Deduced a trap composed of 9 places in 31 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:37] [INFO ] Deduced a trap composed of 12 places in 26 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:37] [INFO ] Deduced a trap composed of 12 places in 24 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:37] [INFO ] Deduced a trap composed of 8 places in 32 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:38] [INFO ] Deduced a trap composed of 8 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:38] [INFO ] Deduced a trap composed of 8 places in 34 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:38] [INFO ] Deduced a trap composed of 12 places in 36 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:38] [INFO ] Deduced a trap composed of 8 places in 51 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:38] [INFO ] Deduced a trap composed of 9 places in 40 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:38] [INFO ] Deduced a trap composed of 10 places in 29 ms of which 2 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:38] [INFO ] Deduced a trap composed of 6 places in 22 ms of which 2 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (OVERLAPS) 174/315 variables, 141/193 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/315 variables, 52/245 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 7 (OVERLAPS) 0/315 variables, 0/245 constraints. Problems are: Problem set: 0 solved, 173 unsolved
No progress, stopping.
After SMT solving in domain Real declared 315/315 variables, and 245 constraints, problems are : Problem set: 0 solved, 173 unsolved in 5745 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 141/141 constraints, ReadFeed: 52/52 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 11/11 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/140 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 1 (OVERLAPS) 1/141 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/141 variables, 11/52 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/141 variables, 0/52 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 4 (OVERLAPS) 174/315 variables, 141/193 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/315 variables, 52/245 constraints. Problems are: Problem set: 0 solved, 173 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/315 variables, 173/418 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:44] [INFO ] Deduced a trap composed of 10 places in 45 ms of which 3 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/315 variables, 1/419 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:46] [INFO ] Deduced a trap composed of 8 places in 49 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/315 variables, 1/420 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:48] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 3 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/315 variables, 1/421 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:50] [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
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 2 places in 16 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 2 places in 17 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 2 places in 50 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 2 places in 31 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 4 places in 23 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 2 places in 21 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 2 places in 22 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 3 places in 25 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [INFO ] Deduced a trap along path composed of 3 places in 18 ms of which 0 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:51] [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
[2025-06-05 06:53:52] [INFO ] Deduced a trap along path composed of 2 places in 19 ms of which 1 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:52] [INFO ] Deduced a trap along path composed of 3 places in 21 ms of which 3 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:53] [INFO ] Deduced a trap along path composed of 2 places in 16 ms of which 1 ms to minimize.
At refinement iteration 10 (INCLUDED_ONLY) 0/315 variables, 15/436 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:53:57] [INFO ] Deduced a trap composed of 14 places in 61 ms of which 3 ms to minimize.
At refinement iteration 11 (INCLUDED_ONLY) 0/315 variables, 1/437 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:54:05] [INFO ] Deduced a trap along path composed of 3 places in 27 ms of which 0 ms to minimize.
At refinement iteration 12 (INCLUDED_ONLY) 0/315 variables, 1/438 constraints. Problems are: Problem set: 0 solved, 173 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:54:11] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 2 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 315/315 variables, and 439 constraints, problems are : Problem set: 0 solved, 173 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 41/41 constraints, State Equation: 141/141 constraints, ReadFeed: 52/52 constraints, PredecessorRefiner: 173/173 constraints, Known Traps: 16/16 constraints, Known Traps Along Path: 16/16 constraints]
After SMT, in 35805ms problems are : Problem set: 0 solved, 173 unsolved
Search for dead transitions found 0 dead transitions in 35806ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 36053 ms. Remains : 141/141 places, 174/174 transitions.
Attempting over-approximation, by ignoring read arcs.
Graph (trivial) has 17 edges and 141 vertex of which 2 / 141 are part of one of the 1 SCC in 1 ms
Free SCC test removed 1 places
Drop transitions (Empty/Sink Transition effects.) removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 4 transitions
Redundant transition composition rules discarded 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 5 place count 140 transition count 168
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 140 transition count 168
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 140 transition count 167
Applied a total of 8 rules in 21 ms. Remains 140 /141 variables (removed 1) and now considering 167/174 (removed 7) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 167 rows 140 cols
[2025-06-05 06:54:12] [INFO ] Computed 41 invariants in 1 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-05 06:54:12] [INFO ] After 48ms 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
[2025-06-05 06:54:12] [INFO ] [Nat]Absence check using 41 positive place invariants in 6 ms returned sat
[2025-06-05 06:54:12] [INFO ] After 51ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2025-06-05 06:54:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2025-06-05 06:54:12] [INFO ] After 19ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:54:14] [INFO ] Deduced a trap composed of 8 places in 1458 ms of which 32 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:54:14] [INFO ] Deduced a trap composed of 8 places in 70 ms of which 4 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-05 06:54:14] [INFO ] Deduced a trap composed of 10 places in 49 ms of which 2 ms to minimize.
[2025-06-05 06:54:14] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 1621 ms
TRAPS : Iteration 1
[2025-06-05 06:54:14] [INFO ] After 1675ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-05 06:54:14] [INFO ] After 1831ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-05 06:54:14] [INFO ] Flatten gal took : 45 ms
[2025-06-05 06:54:14] [INFO ] Flatten gal took : 31 ms
[2025-06-05 06:54:14] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7397025189018904785.gal : 2 ms
[2025-06-05 06:54:14] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality3063766557992762452.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/ReachabilityCardinality7397025189018904785.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality3063766557992762452.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/ReachabilityCardinality3063766557992762452.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :2 after 5
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :5 after 9
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :9 after 25
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :25 after 779
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :779 after 90911
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :90911 after 5.82675e+06
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :5.82675e+06 after 5.84109e+06
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :5.84109e+06 after 6.38231e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :6.38231e+06 after 1.40187e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.40187e+07 after 6.48728e+07
Detected timeout of ITS tools.
[2025-06-05 06:54:29] [INFO ] Flatten gal took : 15 ms
[2025-06-05 06:54:29] [INFO ] Applying decomposition
[2025-06-05 06:54:29] [INFO ] Flatten gal took : 9 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/graph11796523158761737795.txt' '-o' '/tmp/graph11796523158761737795.bin' '-w' '/tmp/graph11796523158761737795.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11796523158761737795.bin' '-l' '-1' '-v' '-w' '/tmp/graph11796523158761737795.weights' '-q' '0' '-e' '0.001'
[2025-06-05 06:54:29] [INFO ] Decomposing Gal with order
[2025-06-05 06:54:29] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 06:54:29] [INFO ] Removed a total of 135 redundant transitions.
[2025-06-05 06:54:29] [INFO ] Flatten gal took : 46 ms
[2025-06-05 06:54:29] [INFO ] Fuse similar labels procedure discarded/fused a total of 18 labels/synchronizations in 12 ms.
[2025-06-05 06:54:29] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality12216767494574778546.gal : 4 ms
[2025-06-05 06:54:29] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality16166600995603837299.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/ReachabilityCardinality12216767494574778546.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality16166600995603837299.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/ReachabilityCardinality16166600995603837299.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 37
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :145 after 56017
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :1.17818e+08 after 1.11273e+10
Invariant property ShieldRVt-PT-010B-ReachabilityFireability-2025-02 does not hold.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 33 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,2.46364e+17,4.0739,73760,1109,27,115260,301,543,475283,56,1295,0
Total reachable state count : 246364100632757593
Verifying 1 reachability properties.
Invariant property ShieldRVt-PT-010B-ReachabilityFireability-2025-02 does not hold.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVt-PT-010B-ReachabilityFireability-2025-02,3.64717e+12,5.91917,73760,323,24,115260,301,718,475283,71,1295,0
ITS tools runner thread asked to quit. Dying gracefully.
Over-approximation ignoring read arcs solved 0 properties in 23223 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-05 06:54:35] [INFO ] Flatten gal took : 22 ms
[2025-06-05 06:54:35] [INFO ] Applying decomposition
[2025-06-05 06:54:35] [INFO ] Flatten gal took : 16 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/graph11693512278579194878.txt' '-o' '/tmp/graph11693512278579194878.bin' '-w' '/tmp/graph11693512278579194878.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph11693512278579194878.bin' '-l' '-1' '-v' '-w' '/tmp/graph11693512278579194878.weights' '-q' '0' '-e' '0.001'
[2025-06-05 06:54:35] [INFO ] Decomposing Gal with order
[2025-06-05 06:54:35] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-05 06:54:35] [INFO ] Removed a total of 60 redundant transitions.
[2025-06-05 06:54:35] [INFO ] Flatten gal took : 35 ms
[2025-06-05 06:54:35] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 3 ms.
[2025-06-05 06:54:35] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16485995444594495139.gal : 8 ms
[2025-06-05 06:54:35] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14255945420712591623.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/ReachabilityCardinality16485995444594495139.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14255945420712591623.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/ReachabilityCardinality14255945420712591623.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 1
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :1 after 2.94883e+08
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :2.94883e+08 after 3.82269e+21
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :2.52883e+23 after 9.25538e+23
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,1.49538e+39,25.988,368484,2175,31,450821,288,800,1.74289e+06,47,818,0
Total reachable state count : 1495381402060066975375470811456806584320
Verifying 1 reachability properties.
Invariant property ShieldRVt-PT-010B-ReachabilityFireability-2025-02 is true.
FORMULA ShieldRVt-PT-010B-ReachabilityFireability-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
ShieldRVt-PT-010B-ReachabilityFireability-2025-02,0,26.1152,368484,1,0,450821,288,858,1.74289e+06,55,818,13036
All properties solved without resorting to model-checking.
Total runtime 97700 ms.
BK_STOP 1749106502066
--------------------
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="ShieldRVt-PT-010B"
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 ShieldRVt-PT-010B, 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 r212-tall-174901994000271"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ShieldRVt-PT-010B.tgz
mv ShieldRVt-PT-010B 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 ;