About the Execution of ITS-Tools for SharedMemory-COL-000010
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 229924.00 | 0.00 | 0.00 | TFFFTFTFTFFFFTFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r198-tall-174894532100100.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 SharedMemory-COL-000010, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r198-tall-174894532100100
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 468K
-rw-r--r-- 1 mcc users 9.1K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 93K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.4K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:32 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 29 14:32 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K 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 96K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 71K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 29 14:32 equiv_pt
-rw-r--r-- 1 mcc users 7 May 29 14:32 instance
-rw-r--r-- 1 mcc users 5 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 12K 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 SharedMemory-COL-000010-LTLFireability-00
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-01
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-02
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-03
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-04
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-05
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-06
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-07
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-08
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-09
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-10
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-11
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-12
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-13
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-14
FORMULA_NAME SharedMemory-COL-000010-LTLFireability-15
=== Now, execution of the tool begins
BK_START 1748972300055
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SharedMemory-COL-000010
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is COL
LTLFireability COL
Running Version 202505121319
[2025-06-03 17:38:21] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-03 17:38:21] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-03 17:38:21] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2025-06-03 17:38:21] [WARNING] Using fallBack plugin, rng conformance not checked
[2025-06-03 17:38:21] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 522 ms
[2025-06-03 17:38:21] [INFO ] Imported 6 HL places and 5 HL transitions for a total of 141 PT places and 320.0 transition bindings in 17 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
[2025-06-03 17:38:22] [INFO ] Built PT skeleton of HLPN with 6 places and 5 transitions 16 arcs in 5 ms.
[2025-06-03 17:38:22] [INFO ] Skeletonized 14 HLPN properties in 2 ms. Removed 2 properties that had guard overlaps.
Initial state reduction rules removed 2 formulas.
FORMULA SharedMemory-COL-000010-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000010-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Remains 1 properties that can be checked using skeleton over-approximation.
Computed a total of 0 stabilizing places and 0 stable transitions
RANDOM walk for 228 steps (0 resets) in 11 ms. (19 steps per ms) remains 0/2 properties
[2025-06-03 17:38:22] [INFO ] Flatten gal took : 26 ms
[2025-06-03 17:38:22] [INFO ] Flatten gal took : 2 ms
Domain [P(10), P(10)] of place Ext_Mem_Acc breaks symmetries in sort P
[2025-06-03 17:38:22] [INFO ] Unfolded HLPN to a Petri net with 141 places and 220 transitions 840 arcs in 27 ms.
[2025-06-03 17:38:22] [INFO ] Unfolded 14 HLPN properties in 1 ms.
Initial state reduction rules removed 3 formulas.
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 10 transitions.
FORMULA SharedMemory-COL-000010-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000010-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SharedMemory-COL-000010-LTLFireability-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 131 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 19 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
// Phase 1: matrix 210 rows 131 cols
[2025-06-03 17:38:22] [INFO ] Computed 21 invariants in 21 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:38:22] [INFO ] Implicit Places using invariants in 197 ms returned []
[2025-06-03 17:38:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:38:22] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 366 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:38:22] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 8015 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 11878 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20169ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 20186ms
Finished structural reductions in LTL mode , in 1 iterations and 20582 ms. Remains : 131/131 places, 210/210 transitions.
Support contains 131 out of 131 places after structural reductions.
[2025-06-03 17:38:43] [INFO ] Flatten gal took : 32 ms
[2025-06-03 17:38:43] [INFO ] Flatten gal took : 28 ms
[2025-06-03 17:38:43] [INFO ] Input system was already deterministic with 210 transitions.
Reduction of identical properties reduced properties to check from 11 to 7
RANDOM walk for 81 steps (0 resets) in 8 ms. (9 steps per ms) remains 0/7 properties
FORMULA SharedMemory-COL-000010-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F((!p0 U (p1||G(!p0)))) U X(X(p2))))'
Support contains 10 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 10 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:38:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:38:43] [INFO ] Implicit Places using invariants in 62 ms returned []
[2025-06-03 17:38:43] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:38:44] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:38:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7346 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12205 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19697ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 19699ms
Finished structural reductions in LTL mode , in 1 iterations and 19896 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 463 ms :[(NOT p2), (AND (NOT p1) (NOT p2) p0), (NOT p2), (AND (NOT p1) (NOT p2) p0), (AND (NOT p1) (NOT p2) p0), (NOT p2), (AND (NOT p1) p0)]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-00
Product exploration explored 100000 steps with 33333 reset in 257 ms.
Product exploration explored 100000 steps with 33333 reset in 220 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) p2 p0), (X (NOT p1)), (X (X p2)), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 5 factoid took 17 ms. Reduced automaton from 7 states, 11 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SharedMemory-COL-000010-LTLFireability-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SharedMemory-COL-000010-LTLFireability-00 finished in 20936 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)&&X((X(G(p0))||(X(p0)&&F(p2)))))))'
Support contains 121 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 1 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:39:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:39:04] [INFO ] Implicit Places using invariants in 37 ms returned []
[2025-06-03 17:39:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:39:04] [INFO ] Implicit Places using invariants and state equation in 84 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:39:04] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7317 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12289 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19727ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 19727ms
Finished structural reductions in LTL mode , in 1 iterations and 19854 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 361 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1), (NOT p0), (NOT p0), (AND (NOT p2) (NOT p0)), (NOT p2)]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-01
Entered a terminal (fully accepting) state of product in 14 steps with 3 reset in 1 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-01 finished in 20239 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(!p0)&&F((G(F(!p0))||(X(!p0)&&F(p1))))))'
Support contains 100 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:39:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:39:25] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-03 17:39:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:39:25] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 197 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:39:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7472 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12841 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20412ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 20414ms
Finished structural reductions in LTL mode , in 1 iterations and 20615 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 170 ms :[p0, p0, (AND (NOT p1) p0), (AND (NOT p1) p0), true]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-02
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-02 finished in 20811 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(p0)&&X(p1))))'
Support contains 31 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 5 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:39:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:39:45] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-03 17:39:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:39:45] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 132 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:39:45] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7501 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12219 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19827ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 19828ms
Finished structural reductions in LTL mode , in 1 iterations and 19965 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 183 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-03
Entered a terminal (fully accepting) state of product in 37 steps with 0 reset in 2 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-03 finished in 20168 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((p0||X(X(X(G(!p1)))))))'
Support contains 110 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 1 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:40:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:40:05] [INFO ] Implicit Places using invariants in 48 ms returned []
[2025-06-03 17:40:05] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:40:06] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:40:06] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7169 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12235 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19514ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 19515ms
Finished structural reductions in LTL mode , in 1 iterations and 19681 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 215 ms :[true, (AND p1 (NOT p0)), p1, p1, p1]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-07
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 1 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-07 finished in 19917 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((F(p0)&&(F(p1) U !p2)))))'
Support contains 120 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 4 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:40:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:40:25] [INFO ] Implicit Places using invariants in 55 ms returned []
[2025-06-03 17:40:25] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:40:26] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:40:26] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7500 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12081 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19677ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 19678ms
Finished structural reductions in LTL mode , in 1 iterations and 19842 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 313 ms :[(OR (NOT p0) p2), (OR (NOT p0) p2), (OR (NOT p0) p2), (NOT p0), (NOT p1), p2]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-09
Product exploration explored 100000 steps with 16849 reset in 572 ms.
Stack based approach found an accepted trace after 137 steps with 24 reset with depth 6 and stack size 6 in 1 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-09 finished in 20759 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(((!p1||F(p2))&&p0))))'
Support contains 30 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 6 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:40:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:40:46] [INFO ] Implicit Places using invariants in 47 ms returned []
[2025-06-03 17:40:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:40:46] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:40:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7540 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12610 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20248ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 20249ms
Finished structural reductions in LTL mode , in 1 iterations and 20395 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 185 ms :[(NOT p2), (OR (NOT p0) (AND p1 (NOT p2))), (OR (NOT p0) (AND p1 (NOT p2))), true, (OR (NOT p0) (AND p1 (NOT p2)))]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-10
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-10 finished in 20604 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!p0)))'
Support contains 10 out of 131 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 23 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:41:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:41:07] [INFO ] Implicit Places using invariants in 58 ms returned []
[2025-06-03 17:41:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:41:07] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:41:07] [INFO ] Redundant transitions in 7 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-03 17:41:07] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7546 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12489 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20158ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 20159ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 20372 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 82 ms :[p0, p0]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-11
Product exploration explored 100000 steps with 3320 reset in 328 ms.
Stack based approach found an accepted trace after 31 steps with 1 reset with depth 20 and stack size 20 in 1 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-11 finished in 20806 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(F((!p1||G(p2))))||p0)))'
Support contains 31 out of 131 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 8 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:41:28] [INFO ] Implicit Places using invariants in 45 ms returned []
[2025-06-03 17:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:41:28] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 130 ms to find 0 implicit places.
Running 190 sub problems to find dead transitions.
[2025-06-03 17:41:28] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7647 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12086 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 19828ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 19830ms
Finished structural reductions in LTL mode , in 1 iterations and 19969 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p0) p1 (NOT p2)), (AND (NOT p0) p1 (NOT p2)), (AND p1 (NOT p2))]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 136 ms.
Product exploration explored 100000 steps with 50000 reset in 152 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) p2), (X p0), (X (X p2)), (X (X (NOT (AND p1 (NOT p2)))))]
False Knowledge obtained : [(X (X (AND p1 p2))), (X (X (NOT (AND p1 p2)))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 18 ms. Reduced automaton from 3 states, 4 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SharedMemory-COL-000010-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SharedMemory-COL-000010-LTLFireability-13 finished in 20446 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(!p1)))))'
Support contains 100 out of 131 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 131/131 places, 210/210 transitions.
Applied a total of 0 rules in 12 ms. Remains 131 /131 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2025-06-03 17:41:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:41:48] [INFO ] Implicit Places using invariants in 63 ms returned []
[2025-06-03 17:41:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-03 17:41:48] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-03 17:41:48] [INFO ] Redundant transitions in 11 ms returned []
Running 190 sub problems to find dead transitions.
[2025-06-03 17:41:48] [INFO ] Invariant cache hit.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/341 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 341/341 variables, and 152 constraints, problems are : Problem set: 0 solved, 190 unsolved in 7565 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/121 variables, 11/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/121 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 10/131 variables, 10/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/131 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (OVERLAPS) 210/341 variables, 131/152 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/341 variables, 190/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/341 variables, 0/342 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 341/341 variables, and 342 constraints, problems are : Problem set: 0 solved, 190 unsolved in 12510 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 131/131 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 20174ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 20174ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 20374 ms. Remains : 131/131 places, 210/210 transitions.
Stuttering acceptance computed with spot in 131 ms :[(OR (NOT p0) p1), (NOT p0), p1]
Running random walk in product with property : SharedMemory-COL-000010-LTLFireability-14
Product exploration explored 100000 steps with 0 reset in 942 ms.
Stack based approach found an accepted trace after 241 steps with 0 reset with depth 242 and stack size 223 in 2 ms.
FORMULA SharedMemory-COL-000010-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property SharedMemory-COL-000010-LTLFireability-14 finished in 21465 ms.
All properties solved by simple procedures.
Total runtime 228641 ms.
BK_STOP 1748972529979
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SharedMemory-COL-000010"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is SharedMemory-COL-000010, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r198-tall-174894532100100"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SharedMemory-COL-000010.tgz
mv SharedMemory-COL-000010 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;