Execution Chart

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Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r002-tall-174853728800182.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 Anderson-PT-08, examination is ReachabilityCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r002-tall-174853728800182
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 78K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K 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 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 102K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 67K 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 3.6K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 3 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 667K May 29 14:32 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 Anderson-PT-08-ReachabilityCardinality-2024-09
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-00
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-01
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-02
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-03
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-04
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-05
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-06
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-07
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-08
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-10
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-11
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-12
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-13
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-14
FORMULA_NAME Anderson-PT-08-ReachabilityCardinality-2025-15

=== Now, execution of the tool begins

BK_START 1748543841617

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Anderson-PT-08
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityCardinality PT
Running Version 202505121319
[2025-05-29 18:37:22] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, ReachabilityCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-05-29 18:37:22] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-29 18:37:22] [INFO ] Load time of PNML (sax parser for PT used): 124 ms
[2025-05-29 18:37:22] [INFO ] Transformed 401 places.
[2025-05-29 18:37:22] [INFO ] Transformed 1328 transitions.
[2025-05-29 18:37:22] [INFO ] Found NUPN structural information;
[2025-05-29 18:37:23] [INFO ] Parsed PT model containing 401 places and 1328 transitions and 5088 arcs in 226 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityCardinality.xml in 17 ms.
Working with output stream class java.io.PrintStream
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2025-05-29 18:37:23] [INFO ] Flatten gal took : 183 ms
RANDOM walk for 40000 steps (8 resets) in 1999 ms. (20 steps per ms) remains 4/13 properties
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-15 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-14 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-12 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-08 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-05 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-03 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-00 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 40002 steps (8 resets) in 318 ms. (125 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 129 ms. (307 steps per ms) remains 4/4 properties
[2025-05-29 18:37:23] [INFO ] Flatten gal took : 173 ms
BEST_FIRST walk for 40001 steps (8 resets) in 250 ms. (159 steps per ms) remains 3/4 properties
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-11 TRUE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
[2025-05-29 18:37:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality15929539372315843334.gal : 75 ms
[2025-05-29 18:37:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11474104152188760520.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/ReachabilityCardinality15929539372315843334.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11474104152188760520.prop' '--nowitness' '--gen-order' 'FOLLOW'
// Phase 1: matrix 1328 rows 401 cols

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
[2025-05-29 18:37:24] [INFO ] Computed 19 invariants in 62 ms
[2025-05-29 18:37:24] [INFO ] State equation strengthened by 56 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
Loading property file /tmp/ReachabilityCardinality11474104152188760520.prop.
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) 0/35 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/35 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,3 properties remain. new max is 8
SDD size :3 after 8
SDD proceeding with computation,3 properties remain. new max is 16
SDD size :8 after 11
SDD proceeding with computation,3 properties remain. new max is 32
SDD size :11 after 12
SDD proceeding with computation,3 properties remain. new max is 64
SDD size :12 after 19
At refinement iteration 2 (OVERLAPS) 349/384 variables, 9/44 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 128
SDD size :19 after 55
SDD proceeding with computation,3 properties remain. new max is 256
SDD size :55 after 76
At refinement iteration 3 (INCLUDED_ONLY) 0/384 variables, 349/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 512
SDD size :76 after 391
At refinement iteration 4 (INCLUDED_ONLY) 0/384 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 1024
SDD size :391 after 841
At refinement iteration 5 (OVERLAPS) 17/401 variables, 10/403 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 2048
SDD size :841 after 4198
At refinement iteration 6 (INCLUDED_ONLY) 0/401 variables, 17/420 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/401 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 4096
SDD size :4198 after 28393
At refinement iteration 8 (OVERLAPS) 1328/1729 variables, 401/821 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1729 variables, 56/877 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/1729 variables, 0/877 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (OVERLAPS) 0/1729 variables, 0/877 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 1729/1729 variables, and 877 constraints, problems are : Problem set: 0 solved, 3 unsolved in 2670 ms.
Refiners :[Domain max(s): 401/401 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 401/401 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/35 variables, 35/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/35 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (OVERLAPS) 349/384 variables, 9/44 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/384 variables, 349/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/384 variables, 0/393 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (OVERLAPS) 17/401 variables, 10/403 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/401 variables, 17/420 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/401 variables, 0/420 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 1328/1729 variables, 401/821 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/1729 variables, 56/877 constraints. Problems are: Problem set: 0 solved, 3 unsolved
SDD proceeding with computation,3 properties remain. new max is 8192
SDD size :28393 after 188444
At refinement iteration 10 (INCLUDED_ONLY) 0/1729 variables, 2/879 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/1729 variables, 0/879 constraints. Problems are: Problem set: 0 solved, 3 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1729/1729 variables, and 879 constraints, problems are : Problem set: 0 solved, 3 unsolved in 5012 ms.
Refiners :[Domain max(s): 401/401 constraints, Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 401/401 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 3/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 7841ms problems are : Problem set: 0 solved, 3 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 35 out of 401 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 401/401 places, 1328/1328 transitions.
Performed 45 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 45 Pre rules applied. Total rules applied 0 place count 401 transition count 1283
Deduced a syphon composed of 45 places in 5 ms
Reduce places removed 45 places and 0 transitions.
Iterating global reduction 0 with 90 rules applied. Total rules applied 90 place count 356 transition count 1283
Discarding 97 places :
Symmetric choice reduction at 0 with 97 rule applications. Total rules 187 place count 259 transition count 514
Iterating global reduction 0 with 97 rules applied. Total rules applied 284 place count 259 transition count 514
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 298 place count 252 transition count 507
Applied a total of 298 rules in 136 ms. Remains 252 /401 variables (removed 149) and now considering 507/1328 (removed 821) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 252/401 places, 507/1328 transitions.
RANDOM walk for 40000 steps (8 resets) in 324 ms. (123 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 134 ms. (296 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40001 steps (8 resets) in 159 ms. (250 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40002 steps (8 resets) in 149 ms. (266 steps per ms) remains 2/3 properties
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-07 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
// Phase 1: matrix 507 rows 252 cols
[2025-05-29 18:37:32] [INFO ] Computed 19 invariants in 12 ms
[2025-05-29 18:37:32] [INFO ] State equation strengthened by 56 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 201/235 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 17/252 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 507/759 variables, 252/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/759 variables, 56/327 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/759 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/759 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 759/759 variables, and 327 constraints, problems are : Problem set: 0 solved, 2 unsolved in 350 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 252/252 constraints, ReadFeed: 56/56 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 201/235 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/235 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 17/252 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:32] [INFO ] Deduced a trap composed of 39 places in 137 ms of which 11 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:33] [INFO ] Deduced a trap composed of 48 places in 146 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:33] [INFO ] Deduced a trap composed of 40 places in 152 ms of which 21 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/252 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/252 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (OVERLAPS) 507/759 variables, 252/274 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/759 variables, 56/330 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/759 variables, 1/331 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/759 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 10 (OVERLAPS) 0/759 variables, 0/331 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 759/759 variables, and 331 constraints, problems are : Problem set: 0 solved, 2 unsolved in 1294 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 252/252 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1685ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 200 ms.
Support contains 34 out of 252 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 252/252 places, 507/507 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 251 transition count 506
Applied a total of 2 rules in 24 ms. Remains 251 /252 variables (removed 1) and now considering 506/507 (removed 1) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 251/252 places, 506/507 transitions.
RANDOM walk for 40000 steps (8 resets) in 163 ms. (243 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 148 ms. (268 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 207 ms. (192 steps per ms) remains 2/2 properties
Interrupted probabilistic random walk after 572039 steps, run timeout after 3001 ms. (steps per millisecond=190 ) properties seen :0 out of 2
Probabilistic random walk after 572039 steps, saw 380105 distinct states, run finished after 3005 ms. (steps per millisecond=190 ) properties seen :0
// Phase 1: matrix 506 rows 251 cols
[2025-05-29 18:37:37] [INFO ] Computed 19 invariants in 7 ms
[2025-05-29 18:37:37] [INFO ] State equation strengthened by 56 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 200/234 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 17/251 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/251 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 506/757 variables, 251/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/757 variables, 56/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/757 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/757 variables, 0/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 757/757 variables, and 326 constraints, problems are : Problem set: 0 solved, 2 unsolved in 444 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 251/251 constraints, ReadFeed: 56/56 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 75.0 s and query timeout 7500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 200/234 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/234 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 17/251 variables, 10/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/251 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 506/757 variables, 251/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/757 variables, 56/326 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/757 variables, 1/327 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/757 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/757 variables, 0/327 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 757/757 variables, and 327 constraints, problems are : Problem set: 0 solved, 2 unsolved in 804 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 10/10 constraints, State Equation: 251/251 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1270ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 266 ms.
Support contains 34 out of 251 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 506/506 transitions.
Applied a total of 0 rules in 17 ms. Remains 251 /251 variables (removed 0) and now considering 506/506 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 251/251 places, 506/506 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 251/251 places, 506/506 transitions.
Applied a total of 0 rules in 13 ms. Remains 251 /251 variables (removed 0) and now considering 506/506 (removed 0) transitions.
[2025-05-29 18:37:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:37:39] [INFO ] Implicit Places using invariants in 288 ms returned [0]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 298 ms to find 1 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 1 : 250/251 places, 506/506 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 32 transitions
Trivial Post-agglo rules discarded 32 transitions
Performed 32 trivial Post agglomeration. Transition count delta: 32
Iterating post reduction 0 with 32 rules applied. Total rules applied 32 place count 250 transition count 474
Reduce places removed 32 places and 0 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Iterating post reduction 1 with 42 rules applied. Total rules applied 74 place count 218 transition count 464
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 2 with 10 rules applied. Total rules applied 84 place count 208 transition count 464
Free-agglomeration rule (complex) applied 12 times.
Iterating global reduction 3 with 12 rules applied. Total rules applied 96 place count 208 transition count 452
Reduce places removed 12 places and 0 transitions.
Iterating post reduction 3 with 12 rules applied. Total rules applied 108 place count 196 transition count 452
Applied a total of 108 rules in 44 ms. Remains 196 /250 variables (removed 54) and now considering 452/506 (removed 54) transitions.
// Phase 1: matrix 452 rows 196 cols
[2025-05-29 18:37:39] [INFO ] Computed 18 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:37:39] [INFO ] Implicit Places using invariants in 154 ms returned []
[2025-05-29 18:37:39] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:37:39] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-05-29 18:37:40] [INFO ] Implicit Places using invariants and state equation in 987 ms returned []
Implicit Place search using SMT with State Equation took 1145 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 196/251 places, 452/506 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 1501 ms. Remains : 196/251 places, 452/506 transitions.
RANDOM walk for 40000 steps (8 resets) in 201 ms. (198 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40001 steps (8 resets) in 72 ms. (547 steps per ms) remains 2/2 properties
BEST_FIRST walk for 40003 steps (8 resets) in 121 ms. (327 steps per ms) remains 2/2 properties
SDD proceeding with computation,3 properties remain. new max is 16384
SDD size :188444 after 5.94293e+06
Interrupted probabilistic random walk after 591307 steps, run timeout after 3001 ms. (steps per millisecond=197 ) properties seen :0 out of 2
Probabilistic random walk after 591307 steps, saw 377411 distinct states, run finished after 3001 ms. (steps per millisecond=197 ) properties seen :0
[2025-05-29 18:37:43] [INFO ] Invariant cache hit.
[2025-05-29 18:37:43] [INFO ] State equation strengthened by 56 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) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 146/180 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/180 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 16/196 variables, 9/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 452/648 variables, 196/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 56/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (OVERLAPS) 0/648 variables, 0/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Real declared 648/648 variables, and 270 constraints, problems are : Problem set: 0 solved, 2 unsolved in 221 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 196/196 constraints, ReadFeed: 56/56 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 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/34 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 1 (OVERLAPS) 146/180 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/180 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 3 (OVERLAPS) 16/196 variables, 9/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 5 (OVERLAPS) 452/648 variables, 196/214 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/648 variables, 56/270 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/648 variables, 1/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/648 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
At refinement iteration 9 (OVERLAPS) 0/648 variables, 0/271 constraints. Problems are: Problem set: 0 solved, 2 unsolved
No progress, stopping.
After SMT solving in domain Int declared 648/648 variables, and 271 constraints, problems are : Problem set: 0 solved, 2 unsolved in 574 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 196/196 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 2/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 809ms problems are : Problem set: 0 solved, 2 unsolved
Parikh walk visited 0 properties in 61 ms.
Support contains 34 out of 196 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 196/196 places, 452/452 transitions.
Applied a total of 0 rules in 8 ms. Remains 196 /196 variables (removed 0) and now considering 452/452 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 196/196 places, 452/452 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 196/196 places, 452/452 transitions.
Applied a total of 0 rules in 8 ms. Remains 196 /196 variables (removed 0) and now considering 452/452 (removed 0) transitions.
[2025-05-29 18:37:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:37:44] [INFO ] Implicit Places using invariants in 160 ms returned []
[2025-05-29 18:37:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-05-29 18:37:44] [INFO ] State equation strengthened by 56 read => feed constraints.
[2025-05-29 18:37:45] [INFO ] Implicit Places using invariants and state equation in 1006 ms returned []
Implicit Place search using SMT with State Equation took 1172 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-05-29 18:37:45] [INFO ] Redundant transitions in 28 ms returned []
Running 444 sub problems to find dead transitions.
[2025-05-29 18:37:45] [INFO ] Invariant cache hit.
[2025-05-29 18:37:45] [INFO ] State equation strengthened by 56 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
SDD proceeding with computation,3 properties remain. new max is 32768
SDD size :5.94293e+06 after 6.63089e+06
At refinement iteration 0 (INCLUDED_ONLY) 0/196 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 444 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/196 variables, 9/18 constraints. Problems are: Problem set: 0 solved, 444 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:47] [INFO ] Deduced a trap composed of 32 places in 118 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:47] [INFO ] Deduced a trap composed of 33 places in 114 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:48] [INFO ] Deduced a trap composed of 32 places in 127 ms of which 21 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:48] [INFO ] Deduced a trap composed of 35 places in 117 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:48] [INFO ] Deduced a trap composed of 35 places in 118 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:48] [INFO ] Deduced a trap composed of 43 places in 116 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:48] [INFO ] Deduced a trap composed of 39 places in 155 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:48] [INFO ] Deduced a trap composed of 35 places in 118 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:49] [INFO ] Deduced a trap composed of 35 places in 114 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:49] [INFO ] Deduced a trap composed of 33 places in 118 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:49] [INFO ] Deduced a trap composed of 36 places in 114 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:49] [INFO ] Deduced a trap composed of 35 places in 114 ms of which 16 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:49] [INFO ] Deduced a trap composed of 33 places in 122 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:50] [INFO ] Deduced a trap composed of 33 places in 115 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:50] [INFO ] Deduced a trap composed of 40 places in 110 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:50] [INFO ] Deduced a trap composed of 36 places in 103 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:50] [INFO ] Deduced a trap composed of 32 places in 113 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:50] [INFO ] Deduced a trap composed of 39 places in 105 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:51] [INFO ] Deduced a trap composed of 40 places in 111 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:51] [INFO ] Deduced a trap composed of 36 places in 105 ms of which 18 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/196 variables, 20/38 constraints. Problems are: Problem set: 0 solved, 444 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:52] [INFO ] Deduced a trap composed of 34 places in 119 ms of which 19 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:52] [INFO ] Deduced a trap composed of 39 places in 112 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:52] [INFO ] Deduced a trap composed of 32 places in 108 ms of which 18 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:52] [INFO ] Deduced a trap composed of 35 places in 128 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:53] [INFO ] Deduced a trap composed of 35 places in 122 ms of which 17 ms to minimize.
At refinement iteration 3 (INCLUDED_ONLY) 0/196 variables, 5/43 constraints. Problems are: Problem set: 0 solved, 444 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:57] [INFO ] Deduced a trap composed of 35 places in 113 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:37:57] [INFO ] Deduced a trap composed of 38 places in 118 ms of which 13 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/196 variables, 2/45 constraints. Problems are: Problem set: 0 solved, 444 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:38:00] [INFO ] Deduced a trap composed of 45 places in 116 ms of which 15 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/196 variables, 1/46 constraints. Problems are: Problem set: 0 solved, 444 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:38:01] [INFO ] Deduced a trap composed of 39 places in 106 ms of which 15 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:38:03] [INFO ] Deduced a trap composed of 44 places in 118 ms of which 17 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/196 variables, 2/48 constraints. Problems are: Problem set: 0 solved, 444 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-05-29 18:38:06] [INFO ] Deduced a trap composed of 38 places in 137 ms of which 16 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/196 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 444 unsolved
SDD proceeding with computation,3 properties remain. new max is 65536
SDD size :6.63089e+06 after 1.17824e+07
At refinement iteration 8 (INCLUDED_ONLY) 0/196 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 444 unsolved
At refinement iteration 9 (OVERLAPS) 452/648 variables, 196/245 constraints. Problems are: Problem set: 0 solved, 444 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/648 variables, 56/301 constraints. Problems are: Problem set: 0 solved, 444 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 648/648 variables, and 301 constraints, problems are : Problem set: 0 solved, 444 unsolved in 30034 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 196/196 constraints, ReadFeed: 56/56 constraints, PredecessorRefiner: 444/444 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 444 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/196 variables, 9/9 constraints. Problems are: Problem set: 0 solved, 444 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/196 variables, 9/18 constraints. Problems are: Problem set: 0 solved, 444 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/196 variables, 31/49 constraints. Problems are: Problem set: 0 solved, 444 unsolved
SDD proceeding with computation,3 properties remain. new max is 131072
SDD size :1.17824e+07 after 1.82384e+07
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 196/648 variables, and 49 constraints, problems are : Problem set: 0 solved, 444 unsolved in 30021 ms.
Refiners :[Positive P Invariants (semi-flows): 9/9 constraints, Generalized P Invariants (flows): 9/9 constraints, State Equation: 0/196 constraints, ReadFeed: 0/56 constraints, PredecessorRefiner: 0/444 constraints, Known Traps: 31/31 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 60249ms problems are : Problem set: 0 solved, 444 unsolved
Search for dead transitions found 0 dead transitions in 60253ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 61484 ms. Remains : 196/196 places, 452/452 transitions.
Attempting over-approximation, by ignoring read arcs.
Performed 53 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 53 Pre rules applied. Total rules applied 0 place count 196 transition count 399
Deduced a syphon composed of 53 places in 1 ms
Reduce places removed 53 places and 0 transitions.
Iterating global reduction 0 with 106 rules applied. Total rules applied 106 place count 143 transition count 399
Applied a total of 106 rules in 13 ms. Remains 143 /196 variables (removed 53) and now considering 399/452 (removed 53) transitions.
Running SMT prover for 2 properties.
// Phase 1: matrix 399 rows 143 cols
[2025-05-29 18:38:45] [INFO ] Computed 18 invariants in 7 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:38:46] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-05-29 18:38:46] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2025-05-29 18:38:46] [INFO ] [Nat]Absence check using 9 positive and 9 generalized place invariants in 9 ms returned sat
[2025-05-29 18:38:46] [INFO ] After 195ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
TRAPS : Iteration 0
[2025-05-29 18:38:46] [INFO ] After 271ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
[2025-05-29 18:38:46] [INFO ] After 391ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
[2025-05-29 18:38:46] [INFO ] Flatten gal took : 23 ms
[2025-05-29 18:38:46] [INFO ] Flatten gal took : 20 ms
[2025-05-29 18:38:46] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality3256869810188390030.gal : 4 ms
[2025-05-29 18:38:46] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality842831781882438102.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/ReachabilityCardinality3256869810188390030.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality842831781882438102.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 ...327
Loading property file /tmp/ReachabilityCardinality842831781882438102.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 4
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :4 after 7
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :7 after 21
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :21 after 26
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :26 after 69
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :69 after 121
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :121 after 238
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :238 after 599
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :599 after 7696
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :7696 after 180811
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :180811 after 216390
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :216390 after 349339
Reachability property Anderson-PT-08-ReachabilityCardinality-2025-02 is true.
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :349339 after 1.24478e+06
SDD proceeding with computation,1 properties remain. new max is 16384
SDD size :1.24478e+06 after 2.33638e+06
SDD proceeding with computation,1 properties remain. new max is 32768
SDD size :2.33638e+06 after 6.10896e+06
Detected timeout of ITS tools.
[2025-05-29 18:39:01] [INFO ] Flatten gal took : 44 ms
[2025-05-29 18:39:01] [INFO ] Applying decomposition
[2025-05-29 18:39:01] [INFO ] Flatten gal took : 21 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/graph18054507374946847432.txt' '-o' '/tmp/graph18054507374946847432.bin' '-w' '/tmp/graph18054507374946847432.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph18054507374946847432.bin' '-l' '-1' '-v' '-w' '/tmp/graph18054507374946847432.weights' '-q' '0' '-e' '0.001'
[2025-05-29 18:39:01] [INFO ] Decomposing Gal with order
[2025-05-29 18:39:01] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 18:39:01] [INFO ] Removed a total of 708 redundant transitions.
[2025-05-29 18:39:01] [INFO ] Flatten gal took : 85 ms
[2025-05-29 18:39:01] [INFO ] Fuse similar labels procedure discarded/fused a total of 160 labels/synchronizations in 18 ms.
[2025-05-29 18:39:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality2604758074299632843.gal : 5 ms
[2025-05-29 18:39:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4665897406993936976.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/ReachabilityCardinality2604758074299632843.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4665897406993936976.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/ReachabilityCardinality4665897406993936976.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 16
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :16 after 96
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :96 after 115
Reachability property Anderson-PT-08-ReachabilityCardinality-2024-09 is true.
Found states matching all0 target predicate
Will report total states built up to this point. Computation was interrupted after 17 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,6252,0.104658,7700,883,260,4880,925,786,6131,190,5299,0
Total reachable state count : 6252

Verifying 1 reachability properties.
Reachability property Anderson-PT-08-ReachabilityCardinality-2024-09 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
Anderson-PT-08-ReachabilityCardinality-2024-09,1,0.119961,7956,57,37,4880,925,891,6131,215,5299,0
Over-approximation ignoring read arcs solved 0 properties in 16072 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-05-29 18:39:02] [INFO ] Flatten gal took : 49 ms
[2025-05-29 18:39:02] [INFO ] Applying decomposition
[2025-05-29 18:39:02] [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/graph234186137364082397.txt' '-o' '/tmp/graph234186137364082397.bin' '-w' '/tmp/graph234186137364082397.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph234186137364082397.bin' '-l' '-1' '-v' '-w' '/tmp/graph234186137364082397.weights' '-q' '0' '-e' '0.001'
[2025-05-29 18:39:02] [INFO ] Decomposing Gal with order
[2025-05-29 18:39:02] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 18:39:02] [INFO ] Removed a total of 1874 redundant transitions.
[2025-05-29 18:39:02] [INFO ] Flatten gal took : 173 ms
[2025-05-29 18:39:02] [INFO ] Fuse similar labels procedure discarded/fused a total of 425 labels/synchronizations in 32 ms.
[2025-05-29 18:39:02] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality7982646938377349986.gal : 8 ms
[2025-05-29 18:39:02] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality4723800932271178980.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/ReachabilityCardinality7982646938377349986.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality4723800932271178980.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/ReachabilityCardinality4723800932271178980.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 2
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :2 after 2
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :2 after 2
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :2 after 2
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :2 after 8
SDD proceeding with computation,2 properties remain. new max is 128
SDD size :8 after 54
SDD proceeding with computation,2 properties remain. new max is 256
SDD size :54 after 72
SDD proceeding with computation,2 properties remain. new max is 512
SDD size :72 after 1094
SDD proceeding with computation,2 properties remain. new max is 1024
SDD size :1094 after 4371
SDD proceeding with computation,2 properties remain. new max is 2048
SDD size :4371 after 7782
SDD proceeding with computation,2 properties remain. new max is 4096
SDD size :7782 after 64521
SDD proceeding with computation,2 properties remain. new max is 8192
SDD size :64521 after 90091
SDD proceeding with computation,2 properties remain. new max is 16384
SDD size :90091 after 281015
SDD proceeding with computation,2 properties remain. new max is 32768
SDD size :281015 after 538098
SDD proceeding with computation,2 properties remain. new max is 65536
SDD size :538098 after 605004
Detected timeout of ITS tools.
[2025-05-29 19:09:23] [INFO ] Flatten gal took : 303 ms
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin3095164337578969325
[2025-05-29 19:09:24] [INFO ] Applying decomposition
[2025-05-29 19:09:24] [INFO ] Computing symmetric may disable matrix : 452 transitions.
[2025-05-29 19:09:24] [INFO ] Flatten gal took : 126 ms
[2025-05-29 19:09:24] [INFO ] Computation of Complete disable matrix. took 26 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-29 19:09:24] [INFO ] Computing symmetric may enable matrix : 452 transitions.
[2025-05-29 19:09:24] [INFO ] Computation of Complete enable matrix. took 8 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-29 19:09:24] [INFO ] Computing Do-Not-Accords matrix : 452 transitions.
[2025-05-29 19:09:24] [INFO ] Computation of Completed DNA matrix. took 24 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2025-05-29 19:09:24] [INFO ] Built C files in 756ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin3095164337578969325
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/graph3885937957978066286.txt' '-o' '/tmp/graph3885937957978066286.bin' '-w' '/tmp/graph3885937957978066286.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph3885937957978066286.bin' '-l' '-1' '-v' '-w' '/tmp/graph3885937957978066286.weights' '-q' '0' '-e' '0.001'
Running compilation step : cd /tmp/ltsmin3095164337578969325;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/limit_time.pl' '360' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
[2025-05-29 19:09:24] [INFO ] Decomposing Gal with order
[2025-05-29 19:09:24] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-05-29 19:09:25] [INFO ] Removed a total of 694 redundant transitions.
[2025-05-29 19:09:25] [INFO ] Flatten gal took : 135 ms
[2025-05-29 19:09:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 158 labels/synchronizations in 67 ms.
[2025-05-29 19:09:25] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality1485689273777450918.gal : 12 ms
[2025-05-29 19:09:25] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality14586317168266496883.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/ReachabilityCardinality1485689273777450918.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality14586317168266496883.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 ...308
Loading property file /tmp/ReachabilityCardinality14586317168266496883.prop.
SDD proceeding with computation,2 properties remain. new max is 4
SDD size :1 after 911
SDD proceeding with computation,2 properties remain. new max is 8
SDD size :911 after 947
SDD proceeding with computation,2 properties remain. new max is 16
SDD size :947 after 947
SDD proceeding with computation,2 properties remain. new max is 32
SDD size :947 after 989
SDD proceeding with computation,2 properties remain. new max is 64
SDD size :989 after 11286
Compilation finished in 1218 ms.
Running link step : cd /tmp/ltsmin3095164337578969325;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 51 ms.
Running LTSmin : cd /tmp/ltsmin3095164337578969325;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'AndersonPT08ReachabilityCardinality202502==true'
Reachability property Anderson-PT-08-ReachabilityCardinality-2025-02 is true.
FORMULA Anderson-PT-08-ReachabilityCardinality-2025-02 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :11286 after 1.00228e+06
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :1.00228e+06 after 3.19411e+06
LTSmin run took 68227 ms.
Found Violation
Running LTSmin : cd /tmp/ltsmin3095164337578969325;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202505121319/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '-i' 'AndersonPT08ReachabilityCardinality202409==true'
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :1.32135e+07 after 1.7621e+07
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,1.76945e+07,38.0176,296628,19965,579,573293,3969,1143,407052,305,51471,0
Total reachable state count : 17694490

Verifying 2 reachability properties.
Reachability property Anderson-PT-08-ReachabilityCardinality-2025-02 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
Anderson-PT-08-ReachabilityCardinality-2025-02,6,38.1787,296628,73,47,573293,3969,1180,407052,317,51471,38087
Reachability property Anderson-PT-08-ReachabilityCardinality-2024-09 does not hold.
FORMULA Anderson-PT-08-ReachabilityCardinality-2024-09 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL COLLATERAL_PROCESSING USE_NUPN
No reachable states exhibit your property : Anderson-PT-08-ReachabilityCardinality-2024-09

Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
Anderson-PT-08-ReachabilityCardinality-2024-09,0,38.6569,296628,1,0,573293,3969,1222,407052,325,51471,183872
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Total runtime 2008048 ms.

BK_STOP 1748545851052

--------------------
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
+ [[ ReachabilityCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution ReachabilityCardinality -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 ReachabilityCardinality -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="Anderson-PT-08"
export BK_EXAMINATION="ReachabilityCardinality"
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 Anderson-PT-08, examination is ReachabilityCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r002-tall-174853728800182"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Anderson-PT-08.tgz
mv Anderson-PT-08 execution
cd execution
if [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "UpperBounds" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] || [ "ReachabilityCardinality" = "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 [ "ReachabilityCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "ReachabilityCardinality" != "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 "ReachabilityCardinality.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 '' ReachabilityCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "ReachabilityCardinality" = "ReachabilityDeadlock" ] || [ "ReachabilityCardinality" = "QuasiLiveness" ] || [ "ReachabilityCardinality" = "StableMarking" ] || [ "ReachabilityCardinality" = "Liveness" ] || [ "ReachabilityCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME ReachabilityCardinality"
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 ;