fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r443-smll-171701110400364
Last Updated
July 7, 2024

About the Execution of GreatSPN+red for ViralEpidemic-PT-S04D1C1A04

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
843.067 347842.00 437496.00 1360.60 FTTFTFFTFTFFFTFF normal

Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r443-smll-171701110400364.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is ViralEpidemic-PT-S04D1C1A04, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r443-smll-171701110400364
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.6M
-rw-r--r-- 1 mcc users 11K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 99K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.9K May 19 07:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 16:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.6K May 19 07:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 19:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Apr 12 04:28 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Apr 12 04:28 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.4K Apr 12 04:25 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 12 04:25 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 08:04 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 08:04 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 11 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 1.2M May 18 16:43 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-00
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-01
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-02
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-03
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-04
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-05
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-06
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-07
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-08
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-09
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-10
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-11
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-12
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-13
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-14
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717127076380

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=ViralEpidemic-PT-S04D1C1A04
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-31 03:44:38] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 03:44:38] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 03:44:38] [INFO ] Load time of PNML (sax parser for PT used): 388 ms
[2024-05-31 03:44:38] [INFO ] Transformed 2047 places.
[2024-05-31 03:44:38] [INFO ] Transformed 3069 transitions.
[2024-05-31 03:44:38] [INFO ] Found NUPN structural information;
[2024-05-31 03:44:38] [INFO ] Parsed PT model containing 2047 places and 3069 transitions and 7161 arcs in 587 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 199 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 66 out of 2047 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 2047/2047 places, 3069/3069 transitions.
Discarding 1057 places :
Symmetric choice reduction at 0 with 1057 rule applications. Total rules 1057 place count 990 transition count 1038
Iterating global reduction 0 with 1057 rules applied. Total rules applied 2114 place count 990 transition count 1038
Applied a total of 2114 rules in 374 ms. Remains 990 /2047 variables (removed 1057) and now considering 1038/3069 (removed 2031) transitions.
// Phase 1: matrix 1038 rows 990 cols
[2024-05-31 03:44:39] [INFO ] Invariants computation overflowed in 137 ms
[2024-05-31 03:44:41] [INFO ] Implicit Places using invariants in 1348 ms returned []
// Phase 1: matrix 1038 rows 990 cols
[2024-05-31 03:44:41] [INFO ] Invariants computation overflowed in 61 ms
[2024-05-31 03:44:42] [INFO ] Implicit Places using invariants and state equation in 1430 ms returned []
Implicit Place search using SMT with State Equation took 2841 ms to find 0 implicit places.
Running 1037 sub problems to find dead transitions.
// Phase 1: matrix 1038 rows 990 cols
[2024-05-31 03:44:42] [INFO ] Invariants computation overflowed in 16 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/989 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1037 unsolved
SMT process timed out in 30517ms, After SMT, problems are : Problem set: 0 solved, 1037 unsolved
Search for dead transitions found 0 dead transitions in 30569ms
Starting structural reductions in LTL mode, iteration 1 : 990/2047 places, 1038/3069 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 33827 ms. Remains : 990/2047 places, 1038/3069 transitions.
Support contains 66 out of 990 places after structural reductions.
[2024-05-31 03:45:13] [INFO ] Flatten gal took : 157 ms
[2024-05-31 03:45:13] [INFO ] Flatten gal took : 103 ms
[2024-05-31 03:45:13] [INFO ] Input system was already deterministic with 1038 transitions.
Support contains 63 out of 990 places (down from 66) after GAL structural reductions.
RANDOM walk for 40001 steps (217 resets) in 2341 ms. (17 steps per ms) remains 1/31 properties
BEST_FIRST walk for 35583 steps (8 resets) in 587 ms. (60 steps per ms) remains 0/1 properties
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-14 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 990 stabilizing places and 1038 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 990 transition count 1038
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(X((G(p0)||F(G(p1))))))))'
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 941 transition count 944
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 941 transition count 944
Applied a total of 98 rules in 195 ms. Remains 941 /990 variables (removed 49) and now considering 944/1038 (removed 94) transitions.
// Phase 1: matrix 944 rows 941 cols
[2024-05-31 03:45:15] [INFO ] Invariants computation overflowed in 13 ms
[2024-05-31 03:45:16] [INFO ] Implicit Places using invariants in 594 ms returned []
// Phase 1: matrix 944 rows 941 cols
[2024-05-31 03:45:16] [INFO ] Invariants computation overflowed in 13 ms
[2024-05-31 03:45:17] [INFO ] Implicit Places using invariants and state equation in 1233 ms returned []
Implicit Place search using SMT with State Equation took 1836 ms to find 0 implicit places.
Running 943 sub problems to find dead transitions.
// Phase 1: matrix 944 rows 941 cols
[2024-05-31 03:45:17] [INFO ] Invariants computation overflowed in 11 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/940 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 943 unsolved
SMT process timed out in 30260ms, After SMT, problems are : Problem set: 0 solved, 943 unsolved
Search for dead transitions found 0 dead transitions in 30278ms
Starting structural reductions in LTL mode, iteration 1 : 941/990 places, 944/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32319 ms. Remains : 941/990 places, 944/1038 transitions.
Stuttering acceptance computed with spot in 386 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-01
Product exploration explored 100000 steps with 648 reset in 1366 ms.
Product exploration explored 100000 steps with 636 reset in 1459 ms.
Computed a total of 941 stabilizing places and 944 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 941 transition count 944
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (F (G (NOT p0))), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 4 factoid took 23 ms. Reduced automaton from 5 states, 7 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-01 finished in 36077 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((X(X(X(F(p1))))||p0))))'
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Graph (complete) has 618 edges and 990 vertex of which 24 are kept as prefixes of interest. Removing 966 places using SCC suffix rule.5 ms
Discarding 966 places :
Also discarding 996 output transitions
Drop transitions (Output transitions of discarded places.) removed 996 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 23 transition count 37
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 9 place count 19 transition count 27
Iterating global reduction 1 with 4 rules applied. Total rules applied 13 place count 19 transition count 27
Applied a total of 13 rules in 35 ms. Remains 19 /990 variables (removed 971) and now considering 27/1038 (removed 1011) transitions.
// Phase 1: matrix 27 rows 19 cols
[2024-05-31 03:45:51] [INFO ] Computed 0 invariants in 1 ms
[2024-05-31 03:45:51] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-31 03:45:51] [INFO ] Invariant cache hit.
[2024-05-31 03:45:51] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2024-05-31 03:45:51] [INFO ] Redundant transitions in 15 ms returned [11]
Found 1 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1 transitions
Redundant transitions reduction (with SMT) removed 1 transitions.
Running 17 sub problems to find dead transitions.
// Phase 1: matrix 26 rows 19 cols
[2024-05-31 03:45:51] [INFO ] Computed 0 invariants in 3 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 22/37 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (OVERLAPS) 4/41 variables, 2/17 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/41 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (OVERLAPS) 2/43 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/43 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (OVERLAPS) 2/45 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/45 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (OVERLAPS) 0/45 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Real declared 45/45 variables, and 19 constraints, problems are : Problem set: 0 solved, 17 unsolved in 294 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 17 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/15 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 1 (OVERLAPS) 22/37 variables, 15/15 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/37 variables, 17/32 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/37 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 4 (OVERLAPS) 4/41 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/41 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 6 (OVERLAPS) 2/43 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/43 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 8 (OVERLAPS) 2/45 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/45 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
At refinement iteration 10 (OVERLAPS) 0/45 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 17 unsolved
No progress, stopping.
After SMT solving in domain Int declared 45/45 variables, and 36 constraints, problems are : Problem set: 0 solved, 17 unsolved in 334 ms.
Refiners :[State Equation: 19/19 constraints, PredecessorRefiner: 17/17 constraints, Known Traps: 0/0 constraints]
After SMT, in 646ms problems are : Problem set: 0 solved, 17 unsolved
Search for dead transitions found 0 dead transitions in 646ms
Starting structural reductions in SI_LTL mode, iteration 1 : 19/990 places, 26/1038 transitions.
Graph (complete) has 8 edges and 19 vertex of which 18 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Applied a total of 1 rules in 2 ms. Remains 18 /19 variables (removed 1) and now considering 25/26 (removed 1) transitions.
// Phase 1: matrix 25 rows 18 cols
[2024-05-31 03:45:52] [INFO ] Computed 0 invariants in 0 ms
[2024-05-31 03:45:52] [INFO ] Implicit Places using invariants in 25 ms returned []
[2024-05-31 03:45:52] [INFO ] Invariant cache hit.
[2024-05-31 03:45:52] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 68 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 18/990 places, 25/1038 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 836 ms. Remains : 18/990 places, 25/1038 transitions.
Stuttering acceptance computed with spot in 86 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-02
Product exploration explored 100000 steps with 6814 reset in 228 ms.
Product exploration explored 100000 steps with 6845 reset in 213 ms.
Computed a total of 18 stabilizing places and 25 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 18 transition count 25
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (F (G p0)), (F (G p1))]
False Knowledge obtained : [(X (AND p0 (NOT p1))), (X (NOT (AND p0 (NOT p1)))), (X p1), (X (NOT p1)), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT p1)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 16 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-02 finished in 1434 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 941 transition count 944
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 941 transition count 944
Applied a total of 98 rules in 50 ms. Remains 941 /990 variables (removed 49) and now considering 944/1038 (removed 94) transitions.
// Phase 1: matrix 944 rows 941 cols
[2024-05-31 03:45:52] [INFO ] Invariants computation overflowed in 11 ms
[2024-05-31 03:45:53] [INFO ] Implicit Places using invariants in 549 ms returned []
// Phase 1: matrix 944 rows 941 cols
[2024-05-31 03:45:53] [INFO ] Invariants computation overflowed in 11 ms
[2024-05-31 03:45:54] [INFO ] Implicit Places using invariants and state equation in 1383 ms returned []
Implicit Place search using SMT with State Equation took 1938 ms to find 0 implicit places.
Running 943 sub problems to find dead transitions.
// Phase 1: matrix 944 rows 941 cols
[2024-05-31 03:45:54] [INFO ] Invariants computation overflowed in 11 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/940 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 943 unsolved
SMT process timed out in 30309ms, After SMT, problems are : Problem set: 0 solved, 943 unsolved
Search for dead transitions found 0 dead transitions in 30325ms
Starting structural reductions in LTL mode, iteration 1 : 941/990 places, 944/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32316 ms. Remains : 941/990 places, 944/1038 transitions.
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-03
Entered a terminal (fully accepting) state of product in 170 steps with 0 reset in 4 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-03 finished in 32448 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((p0 U (G(p0)||p1))) U (G(X((p0 U (p1||G(p0)))))||(G(!p2)&&X((p0 U (p1||G(p0)))))))))'
Support contains 5 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 50 ms. Remains 942 /990 variables (removed 48) and now considering 943/1038 (removed 95) transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:46:25] [INFO ] Invariants computation overflowed in 10 ms
[2024-05-31 03:46:25] [INFO ] Implicit Places using invariants in 525 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:46:25] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:46:27] [INFO ] Implicit Places using invariants and state equation in 1479 ms returned []
Implicit Place search using SMT with State Equation took 2009 ms to find 0 implicit places.
Running 942 sub problems to find dead transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:46:27] [INFO ] Invariants computation overflowed in 9 ms
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/941 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 942 unsolved
SMT process timed out in 30254ms, After SMT, problems are : Problem set: 0 solved, 942 unsolved
Search for dead transitions found 0 dead transitions in 30269ms
Starting structural reductions in LTL mode, iteration 1 : 942/990 places, 943/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32334 ms. Remains : 942/990 places, 943/1038 transitions.
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) p2 (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-04
Product exploration explored 100000 steps with 1318 reset in 1231 ms.
Product exploration explored 100000 steps with 1244 reset in 1505 ms.
Computed a total of 942 stabilizing places and 943 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 942 transition count 943
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X (NOT (OR (AND p0 p2) (AND p1 p2)))), (X (NOT (AND (NOT p0) (NOT p1) p2))), (X (NOT (AND p0 (NOT p1)))), (X (OR (AND p0 (NOT p2)) (AND p1 (NOT p2)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p0) (NOT p1) (NOT p2))))), (X (X (NOT (OR (AND p0 p2) (AND p1 p2))))), (X (X (NOT (AND (NOT p0) (NOT p1) p2)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (OR (AND p0 (NOT p2)) (AND p1 (NOT p2))))), (X (X p0)), (X (X p1)), (F (G p0)), (F (G (NOT p2))), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 20 factoid took 21 ms. Reduced automaton from 3 states, 14 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-04 finished in 35657 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((!p0||F(p1)) U p2)))'
Support contains 6 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 46 places :
Symmetric choice reduction at 0 with 46 rule applications. Total rules 46 place count 944 transition count 946
Iterating global reduction 0 with 46 rules applied. Total rules applied 92 place count 944 transition count 946
Applied a total of 92 rules in 44 ms. Remains 944 /990 variables (removed 46) and now considering 946/1038 (removed 92) transitions.
// Phase 1: matrix 946 rows 944 cols
[2024-05-31 03:47:00] [INFO ] Invariants computation overflowed in 10 ms
[2024-05-31 03:47:01] [INFO ] Implicit Places using invariants in 700 ms returned []
// Phase 1: matrix 946 rows 944 cols
[2024-05-31 03:47:01] [INFO ] Invariants computation overflowed in 10 ms
[2024-05-31 03:47:02] [INFO ] Implicit Places using invariants and state equation in 1205 ms returned []
Implicit Place search using SMT with State Equation took 1917 ms to find 0 implicit places.
Running 945 sub problems to find dead transitions.
// Phase 1: matrix 946 rows 944 cols
[2024-05-31 03:47:02] [INFO ] Invariants computation overflowed in 12 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/943 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 945 unsolved
SMT process timed out in 30187ms, After SMT, problems are : Problem set: 0 solved, 945 unsolved
Search for dead transitions found 0 dead transitions in 30199ms
Starting structural reductions in LTL mode, iteration 1 : 944/990 places, 946/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32164 ms. Remains : 944/990 places, 946/1038 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p2), (NOT p2), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-05
Stuttering criterion allowed to conclude after 260 steps with 1 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-05 finished in 32378 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((!(!(F(p0)||p1) U p2) U X((X(p3) U p4)))))'
Support contains 9 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 46 places :
Symmetric choice reduction at 0 with 46 rule applications. Total rules 46 place count 944 transition count 951
Iterating global reduction 0 with 46 rules applied. Total rules applied 92 place count 944 transition count 951
Applied a total of 92 rules in 56 ms. Remains 944 /990 variables (removed 46) and now considering 951/1038 (removed 87) transitions.
// Phase 1: matrix 951 rows 944 cols
[2024-05-31 03:47:33] [INFO ] Invariants computation overflowed in 13 ms
[2024-05-31 03:47:33] [INFO ] Implicit Places using invariants in 684 ms returned []
// Phase 1: matrix 951 rows 944 cols
[2024-05-31 03:47:33] [INFO ] Invariants computation overflowed in 10 ms
[2024-05-31 03:47:35] [INFO ] Implicit Places using invariants and state equation in 1298 ms returned []
Implicit Place search using SMT with State Equation took 1993 ms to find 0 implicit places.
Running 950 sub problems to find dead transitions.
// Phase 1: matrix 951 rows 944 cols
[2024-05-31 03:47:35] [INFO ] Invariants computation overflowed in 10 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/943 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 950 unsolved
SMT process timed out in 30196ms, After SMT, problems are : Problem set: 0 solved, 950 unsolved
Search for dead transitions found 0 dead transitions in 30211ms
Starting structural reductions in LTL mode, iteration 1 : 944/990 places, 951/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32276 ms. Remains : 944/990 places, 951/1038 transitions.
Stuttering acceptance computed with spot in 547 ms :[(NOT p4), (NOT p4), (NOT p4), (NOT p4), (AND (NOT p0) p2 (NOT p4)), (OR (NOT p3) (NOT p4)), true, (AND (NOT p0) p2 (NOT p3)), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p4))), (NOT p0), (AND (NOT p0) p2)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-06
Stuttering criterion allowed to conclude after 207 steps with 1 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-06 finished in 32864 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U F((((p0 U p1) U (X(X(p2))&&X(p1)))||p1))))'
Support contains 2 out of 990 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Graph (complete) has 618 edges and 990 vertex of which 43 are kept as prefixes of interest. Removing 947 places using SCC suffix rule.3 ms
Discarding 947 places :
Also discarding 961 output transitions
Drop transitions (Output transitions of discarded places.) removed 961 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 42 transition count 70
Discarding 9 places :
Symmetric choice reduction at 1 with 9 rule applications. Total rules 16 place count 33 transition count 48
Iterating global reduction 1 with 9 rules applied. Total rules applied 25 place count 33 transition count 48
Applied a total of 25 rules in 10 ms. Remains 33 /990 variables (removed 957) and now considering 48/1038 (removed 990) transitions.
// Phase 1: matrix 48 rows 33 cols
[2024-05-31 03:48:06] [INFO ] Computed 0 invariants in 0 ms
[2024-05-31 03:48:06] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-31 03:48:06] [INFO ] Invariant cache hit.
[2024-05-31 03:48:06] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2024-05-31 03:48:06] [INFO ] Redundant transitions in 17 ms returned [6, 22, 30, 37]
Found 4 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 4 transitions
Redundant transitions reduction (with SMT) removed 4 transitions.
Running 33 sub problems to find dead transitions.
// Phase 1: matrix 44 rows 33 cols
[2024-05-31 03:48:06] [INFO ] Computed 0 invariants in 0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 40/69 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (OVERLAPS) 4/73 variables, 2/31 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/73 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (OVERLAPS) 2/75 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (OVERLAPS) 0/75 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Real declared 75/77 variables, and 32 constraints, problems are : Problem set: 0 solved, 33 unsolved in 519 ms.
Refiners :[State Equation: 32/33 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 33 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/29 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 1 (OVERLAPS) 40/69 variables, 29/29 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 33/62 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/69 variables, 0/62 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 4 (OVERLAPS) 4/73 variables, 2/64 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/73 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 6 (OVERLAPS) 2/75 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 33 unsolved
At refinement iteration 8 (OVERLAPS) 0/75 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 33 unsolved
No progress, stopping.
After SMT solving in domain Int declared 75/77 variables, and 65 constraints, problems are : Problem set: 0 solved, 33 unsolved in 545 ms.
Refiners :[State Equation: 32/33 constraints, PredecessorRefiner: 33/33 constraints, Known Traps: 0/0 constraints]
After SMT, in 1071ms problems are : Problem set: 0 solved, 33 unsolved
Search for dead transitions found 0 dead transitions in 1071ms
Starting structural reductions in SI_LTL mode, iteration 1 : 33/990 places, 44/1038 transitions.
Graph (complete) has 17 edges and 33 vertex of which 29 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 3 ms. Remains 29 /33 variables (removed 4) and now considering 40/44 (removed 4) transitions.
// Phase 1: matrix 40 rows 29 cols
[2024-05-31 03:48:07] [INFO ] Computed 0 invariants in 0 ms
[2024-05-31 03:48:07] [INFO ] Implicit Places using invariants in 31 ms returned []
[2024-05-31 03:48:07] [INFO ] Invariant cache hit.
[2024-05-31 03:48:07] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 80 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 29/990 places, 40/1038 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1266 ms. Remains : 29/990 places, 40/1038 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-08
Stuttering criterion allowed to conclude after 23 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-08 finished in 1326 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((G(F(p0))||G(p1)))))'
Support contains 5 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 54 ms. Remains 942 /990 variables (removed 48) and now considering 943/1038 (removed 95) transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:48:07] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:48:07] [INFO ] Implicit Places using invariants in 552 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:48:08] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:48:09] [INFO ] Implicit Places using invariants and state equation in 1306 ms returned []
Implicit Place search using SMT with State Equation took 1864 ms to find 0 implicit places.
Running 942 sub problems to find dead transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:48:09] [INFO ] Invariants computation overflowed in 9 ms
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
At refinement iteration 0 (INCLUDED_ONLY) 0/941 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 942 unsolved
SMT process timed out in 30184ms, After SMT, problems are : Problem set: 0 solved, 942 unsolved
Search for dead transitions found 0 dead transitions in 30195ms
Starting structural reductions in LTL mode, iteration 1 : 942/990 places, 943/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32117 ms. Remains : 942/990 places, 943/1038 transitions.
Stuttering acceptance computed with spot in 210 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-09
Product exploration explored 100000 steps with 656 reset in 1155 ms.
Product exploration explored 100000 steps with 653 reset in 1411 ms.
Computed a total of 942 stabilizing places and 943 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 942 transition count 943
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p1) p0), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X p0)), (X (X (NOT p1))), (F (G (NOT p1))), (F (G p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 20 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-09 finished in 35332 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F((X(X(G(p1)))&&p0))))'
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 51 ms. Remains 942 /990 variables (removed 48) and now considering 943/1038 (removed 95) transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:48:42] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:48:43] [INFO ] Implicit Places using invariants in 677 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:48:43] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:48:44] [INFO ] Implicit Places using invariants and state equation in 1368 ms returned []
Implicit Place search using SMT with State Equation took 2049 ms to find 0 implicit places.
Running 942 sub problems to find dead transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:48:44] [INFO ] Invariants computation overflowed in 9 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/941 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 942 unsolved
SMT process timed out in 30185ms, After SMT, problems are : Problem set: 0 solved, 942 unsolved
Search for dead transitions found 0 dead transitions in 30195ms
Starting structural reductions in LTL mode, iteration 1 : 942/990 places, 943/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32298 ms. Remains : 942/990 places, 943/1038 transitions.
Stuttering acceptance computed with spot in 207 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p1), (NOT p1), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-10
Stuttering criterion allowed to conclude after 161 steps with 0 reset in 2 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-10 finished in 32528 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((X(X(p0)) U p1)))'
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 52 ms. Remains 942 /990 variables (removed 48) and now considering 943/1038 (removed 95) transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:49:15] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:49:15] [INFO ] Implicit Places using invariants in 696 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:49:16] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:49:17] [INFO ] Implicit Places using invariants and state equation in 1341 ms returned []
Implicit Place search using SMT with State Equation took 2045 ms to find 0 implicit places.
Running 942 sub problems to find dead transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:49:17] [INFO ] Invariants computation overflowed in 9 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/941 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 942 unsolved
SMT process timed out in 30179ms, After SMT, problems are : Problem set: 0 solved, 942 unsolved
Search for dead transitions found 0 dead transitions in 30189ms
Starting structural reductions in LTL mode, iteration 1 : 942/990 places, 943/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32292 ms. Remains : 942/990 places, 943/1038 transitions.
Stuttering acceptance computed with spot in 143 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (NOT p0), true]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-11
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-11 finished in 32455 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G((p0 U p1))))'
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Graph (complete) has 618 edges and 990 vertex of which 27 are kept as prefixes of interest. Removing 963 places using SCC suffix rule.3 ms
Discarding 963 places :
Also discarding 990 output transitions
Drop transitions (Output transitions of discarded places.) removed 990 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 26 transition count 45
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 8 place count 21 transition count 32
Iterating global reduction 1 with 5 rules applied. Total rules applied 13 place count 21 transition count 32
Applied a total of 13 rules in 9 ms. Remains 21 /990 variables (removed 969) and now considering 32/1038 (removed 1006) transitions.
// Phase 1: matrix 32 rows 21 cols
[2024-05-31 03:49:47] [INFO ] Computed 0 invariants in 0 ms
[2024-05-31 03:49:47] [INFO ] Implicit Places using invariants in 27 ms returned []
[2024-05-31 03:49:47] [INFO ] Invariant cache hit.
[2024-05-31 03:49:47] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
[2024-05-31 03:49:47] [INFO ] Redundant transitions in 17 ms returned [2, 6, 10, 14]
Found 4 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 4 transitions
Redundant transitions reduction (with SMT) removed 4 transitions.
Running 21 sub problems to find dead transitions.
// Phase 1: matrix 28 rows 21 cols
[2024-05-31 03:49:47] [INFO ] Computed 0 invariants in 1 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 25/43 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (OVERLAPS) 2/45 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (OVERLAPS) 2/47 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/47 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (OVERLAPS) 0/47 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Real declared 47/49 variables, and 20 constraints, problems are : Problem set: 0 solved, 21 unsolved in 281 ms.
Refiners :[State Equation: 20/21 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 21 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/18 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 1 (OVERLAPS) 25/43 variables, 18/18 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/43 variables, 21/39 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/43 variables, 0/39 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 4 (OVERLAPS) 2/45 variables, 1/40 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/45 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 6 (OVERLAPS) 2/47 variables, 1/41 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/47 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 21 unsolved
At refinement iteration 8 (OVERLAPS) 0/47 variables, 0/41 constraints. Problems are: Problem set: 0 solved, 21 unsolved
No progress, stopping.
After SMT solving in domain Int declared 47/49 variables, and 41 constraints, problems are : Problem set: 0 solved, 21 unsolved in 343 ms.
Refiners :[State Equation: 20/21 constraints, PredecessorRefiner: 21/21 constraints, Known Traps: 0/0 constraints]
After SMT, in 630ms problems are : Problem set: 0 solved, 21 unsolved
Search for dead transitions found 0 dead transitions in 630ms
Starting structural reductions in SI_LTL mode, iteration 1 : 21/990 places, 28/1038 transitions.
Graph (complete) has 11 edges and 21 vertex of which 17 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.1 ms
Discarding 4 places :
Also discarding 4 output transitions
Drop transitions (Output transitions of discarded places.) removed 4 transitions
Applied a total of 1 rules in 2 ms. Remains 17 /21 variables (removed 4) and now considering 24/28 (removed 4) transitions.
// Phase 1: matrix 24 rows 17 cols
[2024-05-31 03:49:48] [INFO ] Computed 0 invariants in 0 ms
[2024-05-31 03:49:48] [INFO ] Implicit Places using invariants in 20 ms returned []
[2024-05-31 03:49:48] [INFO ] Invariant cache hit.
[2024-05-31 03:49:48] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/990 places, 24/1038 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 785 ms. Remains : 17/990 places, 24/1038 transitions.
Stuttering acceptance computed with spot in 85 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-12
Stuttering criterion allowed to conclude after 8 steps with 0 reset in 0 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-12 finished in 885 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0||X(p1))) U X(!p0)))'
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 990/990 places, 1038/1038 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 50 ms. Remains 942 /990 variables (removed 48) and now considering 943/1038 (removed 95) transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:49:48] [INFO ] Invariants computation overflowed in 8 ms
[2024-05-31 03:49:49] [INFO ] Implicit Places using invariants in 712 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:49:49] [INFO ] Invariants computation overflowed in 9 ms
[2024-05-31 03:49:50] [INFO ] Implicit Places using invariants and state equation in 1354 ms returned []
Implicit Place search using SMT with State Equation took 2072 ms to find 0 implicit places.
Running 942 sub problems to find dead transitions.
// Phase 1: matrix 943 rows 942 cols
[2024-05-31 03:49:50] [INFO ] Invariants computation overflowed in 8 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/941 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 942 unsolved
SMT process timed out in 30185ms, After SMT, problems are : Problem set: 0 solved, 942 unsolved
Search for dead transitions found 0 dead transitions in 30201ms
Starting structural reductions in LTL mode, iteration 1 : 942/990 places, 943/1038 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32328 ms. Remains : 942/990 places, 943/1038 transitions.
Stuttering acceptance computed with spot in 222 ms :[p0, (AND p0 (NOT p1)), p0, true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-LTLFireability-13
Product exploration explored 100000 steps with 50000 reset in 1042 ms.
Product exploration explored 100000 steps with 50000 reset in 1245 ms.
Computed a total of 942 stabilizing places and 943 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 942 transition count 943
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (NOT (AND p0 (NOT p1)))), (X (NOT p0)), (X (NOT p1)), (X (X (NOT p0))), (F (G (NOT p0))), (F (G (NOT p1)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 18 ms. Reduced automaton from 6 states, 9 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA ViralEpidemic-PT-S04D1C1A04-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property ViralEpidemic-PT-S04D1C1A04-LTLFireability-13 finished in 35280 ms.
All properties solved by simple procedures.
Total runtime 345747 ms.
ITS solved all properties within timeout

BK_STOP 1717127424222

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML

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="ViralEpidemic-PT-S04D1C1A04"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
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 2-5568"
echo " Executing tool greatspnxred"
echo " Input is ViralEpidemic-PT-S04D1C1A04, 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 r443-smll-171701110400364"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S04D1C1A04.tgz
mv ViralEpidemic-PT-S04D1C1A04 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.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;