Execution Chart

Sorry, for this execution, no execution chart could be reported.

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r100-smll-174867008200631.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is HealthRecord-PT-12, examination is ReachabilityFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r100-smll-174867008200631
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 536K
-rw-r--r-- 1 mcc users 7.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K 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 2.3K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 21K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 123K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 85K 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 14:32 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 71K 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 HealthRecord-PT-12-ReachabilityFireability-2025-00
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-01
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-02
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-03
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-04
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-05
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-06
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-07
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-08
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-09
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-10
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-11
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-12
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-13
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-14
FORMULA_NAME HealthRecord-PT-12-ReachabilityFireability-2025-15

=== Now, execution of the tool begins

BK_START 1749003619317

Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=ReachabilityFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HealthRecord-PT-12
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
ReachabilityFireability PT
Running Version 202505121319
[2025-06-04 02:20:21] [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]
[2025-06-04 02:20:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-04 02:20:22] [INFO ] Load time of PNML (sax parser for PT used): 167 ms
[2025-06-04 02:20:22] [INFO ] Transformed 160 places.
[2025-06-04 02:20:22] [INFO ] Transformed 340 transitions.
[2025-06-04 02:20:22] [INFO ] Found NUPN structural information;
[2025-06-04 02:20:22] [INFO ] Parsed PT model containing 160 places and 340 transitions and 895 arcs in 391 ms.
Parsed 16 properties from file /home/mcc/execution/ReachabilityFireability.xml in 37 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 28 transitions
Reduce redundant transitions removed 28 transitions.
[2025-06-04 02:20:23] [INFO ] Flatten gal took : 230 ms
RANDOM walk for 40000 steps (2887 resets) in 2982 ms. (13 steps per ms) remains 10/16 properties
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-13 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-08 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-07 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-06 FALSE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-04 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-00 TRUE TECHNIQUES TOPOLOGICAL RANDOM_WALK
[2025-06-04 02:20:23] [INFO ] Flatten gal took : 173 ms
BEST_FIRST walk for 40004 steps (365 resets) in 707 ms. (56 steps per ms) remains 10/10 properties
[2025-06-04 02:20:23] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality16360049564482523917.gal : 49 ms
[2025-06-04 02:20:23] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality11727079987427003718.prop : 11 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/ReachabilityCardinality16360049564482523917.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality11727079987427003718.prop' '--nowitness' '--gen-order' 'FOLLOW'

its-reach command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202505121319/bin/its-reach-linux64 --gc-threshold 2000000 --quiet ...330
Loading property file /tmp/ReachabilityCardinality11727079987427003718.prop.
SDD proceeding with computation,10 properties remain. new max is 4
SDD size :1 after 3
SDD proceeding with computation,10 properties remain. new max is 8
SDD size :3 after 4
SDD proceeding with computation,10 properties remain. new max is 16
SDD size :4 after 13
BEST_FIRST walk for 40004 steps (229 resets) in 1209 ms. (33 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 32
SDD size :13 after 49
SDD proceeding with computation,10 properties remain. new max is 64
SDD size :49 after 2917
BEST_FIRST walk for 40004 steps (340 resets) in 246 ms. (161 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (345 resets) in 152 ms. (261 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (364 resets) in 155 ms. (256 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (375 resets) in 232 ms. (171 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (364 resets) in 95 ms. (416 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (352 resets) in 101 ms. (392 steps per ms) remains 10/10 properties
SDD proceeding with computation,10 properties remain. new max is 128
SDD size :2917 after 15553
BEST_FIRST walk for 40003 steps (357 resets) in 380 ms. (104 steps per ms) remains 9/10 properties
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-01 FALSE TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40004 steps (356 resets) in 187 ms. (212 steps per ms) remains 9/9 properties
[2025-06-04 02:20:24] [INFO ] Flow matrix only has 300 transitions (discarded 12 similar events)
// Phase 1: matrix 300 rows 160 cols
SDD proceeding with computation,10 properties remain. new max is 256
SDD size :15553 after 17497
[2025-06-04 02:20:24] [INFO ] Computed 18 invariants in 28 ms
[2025-06-04 02:20:24] [INFO ] State equation strengthened by 1 read => feed constraints.
Excessive predecessor constraint size, skipping predecessor.
SDD proceeding with computation,10 properties remain. new max is 512
SDD size :17497 after 21385
SDD proceeding with computation,10 properties remain. new max is 1024
SDD size :21385 after 27217
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
SDD proceeding with computation,10 properties remain. new max is 2048
SDD size :27217 after 64801
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/114 variables, 114/114 constraints. Problems are: Problem set: 0 solved, 9 unsolved
SDD proceeding with computation,10 properties remain. new max is 4096
SDD size :64801 after 148225
At refinement iteration 1 (INCLUDED_ONLY) 0/114 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 9 unsolved
Problem HealthRecord-PT-12-ReachabilityFireability-2025-02 is UNSAT
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-02 FALSE TECHNIQUES SMT_REFINEMENT
Problem HealthRecord-PT-12-ReachabilityFireability-2025-15 is UNSAT
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-15 FALSE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 22/136 variables, 10/124 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/136 variables, 22/146 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/136 variables, 0/146 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 5 (OVERLAPS) 24/160 variables, 8/154 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/160 variables, 24/178 constraints. Problems are: Problem set: 2 solved, 7 unsolved
SDD proceeding with computation,10 properties remain. new max is 8192
SDD size :148225 after 319753
At refinement iteration 7 (INCLUDED_ONLY) 0/160 variables, 0/178 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 299/459 variables, 160/338 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/459 variables, 0/338 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 1/460 variables, 1/339 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/460 variables, 0/339 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 12 (OVERLAPS) 0/460 variables, 0/339 constraints. Problems are: Problem set: 2 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 460/460 variables, and 339 constraints, problems are : Problem set: 2 solved, 7 unsolved in 4022 ms.
Refiners :[Domain max(s): 160/160 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 160/160 constraints, ReadFeed: 1/1 constraints, PredecessorRefiner: 9/2 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 7 unsolved
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/89 variables, 89/89 constraints. Problems are: Problem set: 2 solved, 7 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/89 variables, 0/89 constraints. Problems are: Problem set: 2 solved, 7 unsolved
Problem HealthRecord-PT-12-ReachabilityFireability-2025-05 is UNSAT
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-05 TRUE TECHNIQUES SMT_REFINEMENT
At refinement iteration 2 (OVERLAPS) 29/118 variables, 10/99 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/118 variables, 29/128 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:29] [INFO ] Deduced a trap composed of 37 places in 215 ms of which 72 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:29] [INFO ] Deduced a trap composed of 38 places in 140 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:29] [INFO ] Deduced a trap composed of 38 places in 127 ms of which 17 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:30] [INFO ] Deduced a trap composed of 38 places in 110 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:30] [INFO ] Deduced a trap composed of 37 places in 101 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:30] [INFO ] Deduced a trap composed of 37 places in 149 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:30] [INFO ] Deduced a trap composed of 22 places in 65 ms of which 4 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/118 variables, 7/135 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:30] [INFO ] Deduced a trap composed of 26 places in 106 ms of which 15 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/118 variables, 1/136 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/118 variables, 0/136 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 42/160 variables, 8/144 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/160 variables, 42/186 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:31] [INFO ] Deduced a trap composed of 30 places in 188 ms of which 29 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:31] [INFO ] Deduced a trap composed of 30 places in 233 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:31] [INFO ] Deduced a trap composed of 42 places in 163 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:31] [INFO ] Deduced a trap composed of 42 places in 283 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:32] [INFO ] Deduced a trap composed of 29 places in 151 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:32] [INFO ] Deduced a trap composed of 42 places in 193 ms of which 25 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:32] [INFO ] Deduced a trap composed of 43 places in 206 ms of which 26 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:32] [INFO ] Deduced a trap composed of 26 places in 193 ms of which 27 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:32] [INFO ] Deduced a trap composed of 42 places in 186 ms of which 28 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:33] [INFO ] Deduced a trap composed of 29 places in 181 ms of which 27 ms to minimize.
At refinement iteration 9 (INCLUDED_ONLY) 0/160 variables, 10/196 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/160 variables, 0/196 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 11 (OVERLAPS) 299/459 variables, 160/356 constraints. Problems are: Problem set: 3 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/459 variables, 2/358 constraints. Problems are: Problem set: 3 solved, 6 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/460 variables, and 358 constraints, problems are : Problem set: 3 solved, 6 unsolved in 5017 ms.
Refiners :[Domain max(s): 160/160 constraints, Positive P Invariants (semi-flows): 10/10 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 160/160 constraints, ReadFeed: 0/1 constraints, PredecessorRefiner: 7/2 constraints, Known Traps: 18/18 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 9324ms problems are : Problem set: 3 solved, 6 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 85 out of 160 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 160/160 places, 312/312 transitions.
Graph (complete) has 686 edges and 160 vertex of which 152 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.2 ms
Discarding 8 places :
Also discarding 8 output transitions
Drop transitions (Output transitions of discarded places.) removed 8 transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 152 transition count 299
Discarding 31 places :
Symmetric choice reduction at 1 with 31 rule applications. Total rules 37 place count 121 transition count 237
Iterating global reduction 1 with 31 rules applied. Total rules applied 68 place count 121 transition count 237
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 1 with 2 rules applied. Total rules applied 70 place count 120 transition count 236
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 72 place count 119 transition count 236
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 73 place count 119 transition count 236
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 74 place count 119 transition count 235
Applied a total of 74 rules in 79 ms. Remains 119 /160 variables (removed 41) and now considering 235/312 (removed 77) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 119/160 places, 235/312 transitions.
RANDOM walk for 40000 steps (2875 resets) in 1236 ms. (32 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (341 resets) in 282 ms. (141 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (357 resets) in 151 ms. (263 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (375 resets) in 324 ms. (123 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (357 resets) in 65 ms. (606 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (357 resets) in 65 ms. (606 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (362 resets) in 273 ms. (146 steps per ms) remains 6/6 properties
SDD proceeding with computation,10 properties remain. new max is 16384
SDD size :319753 after 1.2907e+06
Interrupted probabilistic random walk after 788745 steps, run timeout after 3001 ms. (steps per millisecond=262 ) properties seen :2 out of 6
Probabilistic random walk after 788745 steps, saw 112462 distinct states, run finished after 3008 ms. (steps per millisecond=262 ) properties seen :2
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-14 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-03 TRUE TECHNIQUES TOPOLOGICAL PROBABILISTIC_WALK
// Phase 1: matrix 235 rows 119 cols
[2025-06-04 02:20:37] [INFO ] Computed 10 invariants in 7 ms
[2025-06-04 02:20:37] [INFO ] State equation strengthened by 2 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) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 41/85 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 34/119 variables, 8/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/119 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 235/354 variables, 119/129 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/354 variables, 2/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/354 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/354 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 354/354 variables, and 131 constraints, problems are : Problem set: 0 solved, 4 unsolved in 427 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 119/119 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 45.0 s and query timeout 4500.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 41/85 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:38] [INFO ] Deduced a trap composed of 33 places in 88 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:38] [INFO ] Deduced a trap composed of 18 places in 65 ms of which 5 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:38] [INFO ] Deduced a trap composed of 33 places in 87 ms of which 8 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:38] [INFO ] Deduced a trap composed of 33 places in 87 ms of which 7 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:38] [INFO ] Deduced a trap composed of 34 places in 105 ms of which 8 ms to minimize.
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 5/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (OVERLAPS) 34/119 variables, 8/15 constraints. Problems are: Problem set: 0 solved, 4 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:39] [INFO ] Deduced a trap composed of 19 places in 174 ms of which 22 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:39] [INFO ] Deduced a trap composed of 28 places in 111 ms of which 14 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:39] [INFO ] Deduced a trap composed of 33 places in 175 ms of which 12 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:39] [INFO ] Deduced a trap composed of 33 places in 96 ms of which 7 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/119 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/119 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 235/354 variables, 119/138 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/354 variables, 2/140 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/354 variables, 3/143 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/354 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/354 variables, 0/143 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 354/354 variables, and 143 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2594 ms.
Refiners :[Positive P Invariants (semi-flows): 2/2 constraints, Generalized P Invariants (flows): 8/8 constraints, State Equation: 119/119 constraints, ReadFeed: 2/2 constraints, PredecessorRefiner: 4/3 constraints, Known Traps: 9/9 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3056ms problems are : Problem set: 0 solved, 4 unsolved
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-11 TRUE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-09 TRUE TECHNIQUES PARIKH_WALK
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-12 TRUE TECHNIQUES PARIKH_WALK
Parikh walk visited 3 properties in 620 ms.
Support contains 32 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 235/235 transitions.
Graph (trivial) has 80 edges and 119 vertex of which 4 / 119 are part of one of the 2 SCC in 4 ms
Free SCC test removed 2 places
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Graph (complete) has 483 edges and 117 vertex of which 115 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Drop transitions (Trivial Post-Agglo cleanup.) removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 3 place count 115 transition count 230
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 1 with 4 rules applied. Total rules applied 7 place count 114 transition count 227
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 3 rules applied. Total rules applied 10 place count 112 transition count 226
Discarding 32 places :
Symmetric choice reduction at 3 with 32 rule applications. Total rules 42 place count 80 transition count 162
Iterating global reduction 3 with 32 rules applied. Total rules applied 74 place count 80 transition count 162
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 77 place count 77 transition count 156
Iterating global reduction 3 with 3 rules applied. Total rules applied 80 place count 77 transition count 156
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -23
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 3 with 8 rules applied. Total rules applied 88 place count 73 transition count 179
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 89 place count 73 transition count 179
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 90 place count 73 transition count 178
Partial Free-agglomeration rule applied 1 times.
Drop transitions (Partial Free agglomeration) removed 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 91 place count 73 transition count 178
Applied a total of 91 rules in 84 ms. Remains 73 /119 variables (removed 46) and now considering 178/235 (removed 57) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 85 ms. Remains : 73/119 places, 178/235 transitions.
RANDOM walk for 40000 steps (5154 resets) in 1124 ms. (35 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (806 resets) in 211 ms. (188 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1894875 steps, run timeout after 3001 ms. (steps per millisecond=631 ) properties seen :0 out of 1
Probabilistic random walk after 1894875 steps, saw 255940 distinct states, run finished after 3001 ms. (steps per millisecond=631 ) properties seen :0
[2025-06-04 02:20:44] [INFO ] Flow matrix only has 173 transitions (discarded 5 similar events)
// Phase 1: matrix 173 rows 73 cols
[2025-06-04 02:20:44] [INFO ] Computed 8 invariants in 2 ms
[2025-06-04 02:20:44] [INFO ] State equation strengthened by 13 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) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 41/73 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 173/246 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 13/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:45] [INFO ] Deduced a trap composed of 17 places in 90 ms of which 9 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:45] [INFO ] Deduced a trap composed of 24 places in 86 ms of which 9 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/246 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 461 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 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) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 41/73 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 173/246 variables, 73/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 13/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:45] [INFO ] Deduced a trap composed of 19 places in 126 ms of which 13 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 1/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/246 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 400 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 880ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 25 ms.
Support contains 32 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 178/178 transitions.
Applied a total of 0 rules in 13 ms. Remains 73 /73 variables (removed 0) and now considering 178/178 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 73/73 places, 178/178 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 178/178 transitions.
Applied a total of 0 rules in 13 ms. Remains 73 /73 variables (removed 0) and now considering 178/178 (removed 0) transitions.
[2025-06-04 02:20:45] [INFO ] Flow matrix only has 173 transitions (discarded 5 similar events)
[2025-06-04 02:20:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:20:45] [INFO ] Implicit Places using invariants in 79 ms returned []
[2025-06-04 02:20:45] [INFO ] Flow matrix only has 173 transitions (discarded 5 similar events)
[2025-06-04 02:20:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:20:46] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-04 02:20:46] [INFO ] Implicit Places using invariants and state equation in 199 ms returned []
Implicit Place search using SMT with State Equation took 296 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 02:20:46] [INFO ] Redundant transitions in 11 ms returned []
Running 162 sub problems to find dead transitions.
[2025-06-04 02:20:46] [INFO ] Flow matrix only has 173 transitions (discarded 5 similar events)
[2025-06-04 02:20:46] [INFO ] Invariant cache hit.
[2025-06-04 02:20:46] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 1 (OVERLAPS) 1/73 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 3 (OVERLAPS) 173/246 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 162 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 13/94 constraints. Problems are: Problem set: 0 solved, 162 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:49] [INFO ] Deduced a trap composed of 34 places in 110 ms of which 16 ms to minimize.
Problem TDEAD177 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 1/95 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 0/95 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 7 (OVERLAPS) 0/246 variables, 0/95 constraints. Problems are: Problem set: 1 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 95 constraints, problems are : Problem set: 1 solved, 161 unsolved in 9003 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 162/162 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 1 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 0/0 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 1 (OVERLAPS) 1/73 variables, 8/8 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 1/9 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 0/9 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 4 (OVERLAPS) 173/246 variables, 73/82 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 13/95 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 161/256 constraints. Problems are: Problem set: 1 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:20:59] [INFO ] Deduced a trap composed of 36 places in 84 ms of which 4 ms to minimize.
SDD proceeding with computation,10 properties remain. new max is 32768
SDD size :1.2907e+06 after 5.06378e+06
At refinement iteration 7 (INCLUDED_ONLY) 0/246 variables, 1/257 constraints. Problems are: Problem set: 1 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:21:01] [INFO ] Deduced a trap composed of 16 places in 98 ms of which 3 ms to minimize.
At refinement iteration 8 (INCLUDED_ONLY) 0/246 variables, 1/258 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/246 variables, 0/258 constraints. Problems are: Problem set: 1 solved, 161 unsolved
At refinement iteration 10 (OVERLAPS) 0/246 variables, 0/258 constraints. Problems are: Problem set: 1 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 258 constraints, problems are : Problem set: 1 solved, 161 unsolved in 21897 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 161/162 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 31104ms problems are : Problem set: 1 solved, 161 unsolved
Search for dead transitions found 1 dead transitions in 31109ms
Found 1 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 1 transitions
Dead transitions reduction (with SMT) removed 1 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 73/73 places, 177/178 transitions.
Applied a total of 0 rules in 9 ms. Remains 73 /73 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 02:21:17] [INFO ] Redundant transitions in 7 ms returned []
Finished structural reductions in REACHABILITY mode , in 2 iterations and 31469 ms. Remains : 73/73 places, 177/178 transitions.
RANDOM walk for 40000 steps (5184 resets) in 121 ms. (327 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (787 resets) in 114 ms. (347 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2288861 steps, run timeout after 3001 ms. (steps per millisecond=762 ) properties seen :0 out of 1
Probabilistic random walk after 2288861 steps, saw 307362 distinct states, run finished after 3001 ms. (steps per millisecond=762 ) properties seen :0
[2025-06-04 02:21:20] [INFO ] Flow matrix only has 172 transitions (discarded 5 similar events)
// Phase 1: matrix 172 rows 73 cols
[2025-06-04 02:21:20] [INFO ] Computed 8 invariants in 1 ms
[2025-06-04 02:21:20] [INFO ] State equation strengthened by 13 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) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 41/73 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 172/245 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 13/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:21:20] [INFO ] Deduced a trap composed of 17 places in 76 ms of which 8 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/245 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 0/245 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 245/245 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 254 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 1/1 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 90.0 s and query timeout 9000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/32 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 41/73 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/73 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 172/245 variables, 73/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/245 variables, 13/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:21:20] [INFO ] Deduced a trap composed of 24 places in 96 ms of which 11 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/245 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 0/245 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 245/245 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 312 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 1/0 constraints, Known Traps: 2/2 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 576ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 35 ms.
Support contains 32 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 177/177 transitions.
Applied a total of 0 rules in 11 ms. Remains 73 /73 variables (removed 0) and now considering 177/177 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 73/73 places, 177/177 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 177/177 transitions.
Applied a total of 0 rules in 14 ms. Remains 73 /73 variables (removed 0) and now considering 177/177 (removed 0) transitions.
[2025-06-04 02:21:21] [INFO ] Flow matrix only has 172 transitions (discarded 5 similar events)
[2025-06-04 02:21:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:21:21] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-04 02:21:21] [INFO ] Flow matrix only has 172 transitions (discarded 5 similar events)
[2025-06-04 02:21:21] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-04 02:21:21] [INFO ] State equation strengthened by 13 read => feed constraints.
[2025-06-04 02:21:21] [INFO ] Implicit Places using invariants and state equation in 174 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-04 02:21:21] [INFO ] Redundant transitions in 3 ms returned []
Running 161 sub problems to find dead transitions.
[2025-06-04 02:21:21] [INFO ] Flow matrix only has 172 transitions (discarded 5 similar events)
[2025-06-04 02:21:21] [INFO ] Invariant cache hit.
[2025-06-04 02:21:21] [INFO ] State equation strengthened by 13 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (OVERLAPS) 1/73 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (OVERLAPS) 172/245 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 13/94 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/245 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (OVERLAPS) 0/245 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 161 unsolved
No progress, stopping.
After SMT solving in domain Real declared 245/245 variables, and 94 constraints, problems are : Problem set: 0 solved, 161 unsolved in 9665 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/72 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 1 (OVERLAPS) 1/73 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/73 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 3 (OVERLAPS) 172/245 variables, 73/81 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/245 variables, 13/94 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/245 variables, 161/255 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/245 variables, 0/255 constraints. Problems are: Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:21:40] [INFO ] Deduced a trap composed of 34 places in 90 ms of which 10 ms to minimize.
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:21:41] [INFO ] Deduced a trap composed of 16 places in 61 ms of which 5 ms to minimize.
At refinement iteration 7 (OVERLAPS) 0/245 variables, 2/257 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/245 variables, 0/257 constraints. Problems are: Problem set: 0 solved, 161 unsolved
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:21:49] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 5 ms to minimize.
At refinement iteration 9 (OVERLAPS) 0/245 variables, 1/258 constraints. Problems are: Problem set: 0 solved, 161 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/245 variables, 0/258 constraints. Problems are: Problem set: 0 solved, 161 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 245/245 variables, and 258 constraints, problems are : Problem set: 0 solved, 161 unsolved in 30033 ms.
Refiners :[Generalized P Invariants (flows): 8/8 constraints, State Equation: 73/73 constraints, ReadFeed: 13/13 constraints, PredecessorRefiner: 161/161 constraints, Known Traps: 3/3 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 39804ms problems are : Problem set: 0 solved, 161 unsolved
Search for dead transitions found 0 dead transitions in 39810ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40079 ms. Remains : 73/73 places, 177/177 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 5 place count 73 transition count 172
Applied a total of 5 rules in 11 ms. Remains 73 /73 variables (removed 0) and now considering 172/177 (removed 5) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 172 rows 73 cols
[2025-06-04 02:22:01] [INFO ] Computed 8 invariants in 2 ms
Starting Z3 with timeout 450.0 s and query timeout 45000.0 ms
[2025-06-04 02:22:01] [INFO ] After 40ms 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
[2025-06-04 02:22:01] [INFO ] [Nat]Absence check using 0 positive and 8 generalized place invariants in 6 ms returned sat
[2025-06-04 02:22:01] [INFO ] After 78ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:22:01] [INFO ] Deduced a trap composed of 24 places in 96 ms of which 10 ms to minimize.
[2025-06-04 02:22:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 114 ms
TRAPS : Iteration 1
Starting Z3 with timeout 120.0 s and query timeout 12000.0 ms
[2025-06-04 02:22:01] [INFO ] Deduced a trap composed of 35 places in 81 ms of which 5 ms to minimize.
[2025-06-04 02:22:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 97 ms
TRAPS : Iteration 2
[2025-06-04 02:22:01] [INFO ] After 334ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2025-06-04 02:22:01] [INFO ] After 401ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
[2025-06-04 02:22:01] [INFO ] Flatten gal took : 45 ms
[2025-06-04 02:22:01] [INFO ] Flatten gal took : 29 ms
[2025-06-04 02:22:01] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality644456518625294876.gal : 19 ms
[2025-06-04 02:22:01] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality9774546299334385654.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/ReachabilityCardinality644456518625294876.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality9774546299334385654.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/ReachabilityCardinality9774546299334385654.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 20
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :20 after 24
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :24 after 31
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :31 after 97
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :97 after 373
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :373 after 497
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :497 after 4161
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :4161 after 13041
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :13041 after 33129
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :33129 after 194265
SDD proceeding with computation,1 properties remain. new max is 4096
SDD size :194265 after 353782
SDD proceeding with computation,1 properties remain. new max is 8192
SDD size :353782 after 1.15036e+06
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,2.37658e+06,7.66507,141020,2,13693,17,358709,7,0,523,688214,0
Total reachable state count : 2376584

Verifying 1 reachability properties.
Reachability property HealthRecord-PT-12-ReachabilityFireability-2025-10 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
HealthRecord-PT-12-ReachabilityFireability-2025-10,48,7.68116,141020,2,191,17,358709,7,0,578,688214,0
Over-approximation ignoring read arcs solved 0 properties in 8342 ms.
ITS runner timed out or was interrupted.
ITS tools runner thread asked to quit. Dying gracefully.
[2025-06-04 02:22:09] [INFO ] Flatten gal took : 37 ms
[2025-06-04 02:22:09] [INFO ] Applying decomposition
[2025-06-04 02:22:09] [INFO ] Flatten gal took : 32 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/graph15962981704430768414.txt' '-o' '/tmp/graph15962981704430768414.bin' '-w' '/tmp/graph15962981704430768414.weights'
Built communities with : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202505121319/bin/louvain-linux64' '/tmp/graph15962981704430768414.bin' '-l' '-1' '-v' '-w' '/tmp/graph15962981704430768414.weights' '-q' '0' '-e' '0.001'
[2025-06-04 02:22:09] [INFO ] Decomposing Gal with order
[2025-06-04 02:22:09] [INFO ] Rewriting arrays to variables to allow decomposition.
[2025-06-04 02:22:09] [INFO ] Removed a total of 50 redundant transitions.
[2025-06-04 02:22:10] [INFO ] Flatten gal took : 138 ms
[2025-06-04 02:22:10] [INFO ] Fuse similar labels procedure discarded/fused a total of 10 labels/synchronizations in 12 ms.
[2025-06-04 02:22:10] [INFO ] Time to serialize gal into /tmp/ReachabilityCardinality9685588176961813957.gal : 10 ms
[2025-06-04 02:22:10] [INFO ] Time to serialize properties into /tmp/ReachabilityCardinality12978867972601938108.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/ReachabilityCardinality9685588176961813957.gal' '-t' 'CGAL' '-reachable-file' '/tmp/ReachabilityCardinality12978867972601938108.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/ReachabilityCardinality12978867972601938108.prop.
SDD proceeding with computation,1 properties remain. new max is 4
SDD size :1 after 6
SDD proceeding with computation,1 properties remain. new max is 8
SDD size :6 after 25
SDD proceeding with computation,1 properties remain. new max is 16
SDD size :25 after 8785
SDD proceeding with computation,1 properties remain. new max is 32
SDD size :8785 after 144829
SDD proceeding with computation,1 properties remain. new max is 64
SDD size :144829 after 223561
SDD proceeding with computation,1 properties remain. new max is 128
SDD size :223561 after 393157
SDD proceeding with computation,1 properties remain. new max is 256
SDD size :393157 after 610633
SDD proceeding with computation,1 properties remain. new max is 512
SDD size :610633 after 2.80428e+06
SDD proceeding with computation,1 properties remain. new max is 1024
SDD size :2.80428e+06 after 1.77614e+07
SDD proceeding with computation,1 properties remain. new max is 2048
SDD size :1.77614e+07 after 1.88141e+08
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,1.83934e+09,12.1909,264188,2015,2524,399905,60894,461,827961,410,1.12312e+06,0
Total reachable state count : 1839343024

Verifying 1 reachability properties.
Reachability property HealthRecord-PT-12-ReachabilityFireability-2025-10 is true.
FORMULA HealthRecord-PT-12-ReachabilityFireability-2025-10 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
HealthRecord-PT-12-ReachabilityFireability-2025-10,1080,12.244,264188,31,134,399905,60894,532,827961,431,1.12312e+06,415
All properties solved without resorting to model-checking.
Total runtime 120401 ms.

BK_STOP 1749003742407

--------------------
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="HealthRecord-PT-12"
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 HealthRecord-PT-12, 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 r100-smll-174867008200631"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-12.tgz
mv HealthRecord-PT-12 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 '' ReachabilityFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;