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.r496-tall-171640602700132.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FlexibleBarrier-PT-20a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640602700132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 744K
-rw-r--r-- 1 mcc users 7.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.6K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:45 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:45 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.0K Apr 13 12:23 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 91K Apr 13 12:23 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.4K Apr 13 12:02 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Apr 13 12:02 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:45 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:45 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 321K May 18 16:42 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 FlexibleBarrier-PT-20a-LTLFireability-00
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-01
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-02
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-03
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-04
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-05
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-06
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-07
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-08
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-09
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-10
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-11
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-12
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-13
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-14
FORMULA_NAME FlexibleBarrier-PT-20a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717184307188

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FlexibleBarrier-PT-20a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 19:38:28] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-31 19:38:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 19:38:28] [INFO ] Load time of PNML (sax parser for PT used): 114 ms
[2024-05-31 19:38:28] [INFO ] Transformed 243 places.
[2024-05-31 19:38:28] [INFO ] Transformed 1064 transitions.
[2024-05-31 19:38:28] [INFO ] Found NUPN structural information;
[2024-05-31 19:38:28] [INFO ] Parsed PT model containing 243 places and 1064 transitions and 5317 arcs in 220 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 362 transitions
Reduce redundant transitions removed 362 transitions.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FlexibleBarrier-PT-20a-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 30 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 702/702 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 243 transition count 682
Applied a total of 20 rules in 52 ms. Remains 243 /243 variables (removed 0) and now considering 682/702 (removed 20) transitions.
// Phase 1: matrix 682 rows 243 cols
[2024-05-31 19:38:28] [INFO ] Computed 22 invariants in 20 ms
[2024-05-31 19:38:29] [INFO ] Implicit Places using invariants in 276 ms returned []
[2024-05-31 19:38:29] [INFO ] Invariant cache hit.
[2024-05-31 19:38:29] [INFO ] State equation strengthened by 481 read => feed constraints.
[2024-05-31 19:38:29] [INFO ] Implicit Places using invariants and state equation in 500 ms returned []
Implicit Place search using SMT with State Equation took 803 ms to find 0 implicit places.
Running 681 sub problems to find dead transitions.
[2024-05-31 19:38:29] [INFO ] Invariant cache hit.
[2024-05-31 19:38:29] [INFO ] State equation strengthened by 481 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 0/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 925/925 variables, and 989 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30036 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 681 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 681/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/925 variables, 0/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 925/925 variables, and 1670 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30023 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints]
After SMT, in 60845ms problems are : Problem set: 0 solved, 681 unsolved
Search for dead transitions found 0 dead transitions in 60869ms
Starting structural reductions in LTL mode, iteration 1 : 243/243 places, 682/702 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61749 ms. Remains : 243/243 places, 682/702 transitions.
Support contains 30 out of 243 places after structural reductions.
[2024-05-31 19:39:30] [INFO ] Flatten gal took : 64 ms
[2024-05-31 19:39:30] [INFO ] Flatten gal took : 39 ms
[2024-05-31 19:39:30] [INFO ] Input system was already deterministic with 682 transitions.
Reduction of identical properties reduced properties to check from 25 to 21
RANDOM walk for 5762 steps (1 resets) in 324 ms. (17 steps per ms) remains 0/21 properties
FORMULA FlexibleBarrier-PT-20a-LTLFireability-05 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 3 stabilizing places and 1 stable transitions
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(p0))))'
Support contains 2 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 6 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
[2024-05-31 19:39:31] [INFO ] Invariant cache hit.
[2024-05-31 19:39:31] [INFO ] Implicit Places using invariants in 130 ms returned [242]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 131 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 242/243 places, 682/682 transitions.
Applied a total of 0 rules in 4 ms. Remains 242 /242 variables (removed 0) and now considering 682/682 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 142 ms. Remains : 242/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 212 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-00
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-00 finished in 413 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(F(p0)))'
Support contains 3 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 195 edges and 243 vertex of which 54 / 243 are part of one of the 18 SCC in 3 ms
Free SCC test removed 36 places
Ensure Unique test removed 172 transitions
Reduce isomorphic transitions removed 172 transitions.
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 0 with 120 rules applied. Total rules applied 121 place count 147 transition count 450
Drop transitions (Redundant composition of simpler transitions.) removed 223 transitions
Redundant transition composition rules discarded 223 transitions
Iterating global reduction 0 with 223 rules applied. Total rules applied 344 place count 147 transition count 227
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 345 place count 147 transition count 227
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 346 place count 146 transition count 226
Iterating global reduction 0 with 1 rules applied. Total rules applied 347 place count 146 transition count 226
Applied a total of 347 rules in 92 ms. Remains 146 /243 variables (removed 97) and now considering 226/682 (removed 456) transitions.
[2024-05-31 19:39:31] [INFO ] Flow matrix only has 189 transitions (discarded 37 similar events)
// Phase 1: matrix 189 rows 146 cols
[2024-05-31 19:39:31] [INFO ] Computed 22 invariants in 3 ms
[2024-05-31 19:39:31] [INFO ] Implicit Places using invariants in 104 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 105 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 145/243 places, 226/682 transitions.
Graph (trivial) has 198 edges and 145 vertex of which 54 / 145 are part of one of the 18 SCC in 1 ms
Free SCC test removed 36 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 109 transition count 134
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 89 transition count 134
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 89 transition count 114
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 69 transition count 114
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 125 place count 47 transition count 92
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 145 place count 47 transition count 72
Applied a total of 145 rules in 18 ms. Remains 47 /145 variables (removed 98) and now considering 72/226 (removed 154) transitions.
[2024-05-31 19:39:31] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
// Phase 1: matrix 51 rows 47 cols
[2024-05-31 19:39:31] [INFO ] Computed 21 invariants in 0 ms
[2024-05-31 19:39:31] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-31 19:39:31] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
[2024-05-31 19:39:31] [INFO ] Invariant cache hit.
[2024-05-31 19:39:31] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-31 19:39:31] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 47/243 places, 72/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 290 ms. Remains : 47/243 places, 72/682 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-01
Stuttering criterion allowed to conclude after 92 steps with 0 reset in 2 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-01 finished in 382 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)))'
Support contains 3 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 195 edges and 243 vertex of which 54 / 243 are part of one of the 18 SCC in 1 ms
Free SCC test removed 36 places
Ensure Unique test removed 172 transitions
Reduce isomorphic transitions removed 172 transitions.
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 0 with 120 rules applied. Total rules applied 121 place count 147 transition count 450
Drop transitions (Redundant composition of simpler transitions.) removed 223 transitions
Redundant transition composition rules discarded 223 transitions
Iterating global reduction 0 with 223 rules applied. Total rules applied 344 place count 147 transition count 227
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 345 place count 147 transition count 227
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 346 place count 146 transition count 226
Iterating global reduction 0 with 1 rules applied. Total rules applied 347 place count 146 transition count 226
Applied a total of 347 rules in 45 ms. Remains 146 /243 variables (removed 97) and now considering 226/682 (removed 456) transitions.
[2024-05-31 19:39:32] [INFO ] Flow matrix only has 189 transitions (discarded 37 similar events)
// Phase 1: matrix 189 rows 146 cols
[2024-05-31 19:39:32] [INFO ] Computed 22 invariants in 3 ms
[2024-05-31 19:39:32] [INFO ] Implicit Places using invariants in 104 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 105 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 145/243 places, 226/682 transitions.
Graph (trivial) has 198 edges and 145 vertex of which 54 / 145 are part of one of the 18 SCC in 1 ms
Free SCC test removed 36 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 109 transition count 134
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 89 transition count 134
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 89 transition count 114
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 69 transition count 114
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 125 place count 47 transition count 92
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 145 place count 47 transition count 72
Applied a total of 145 rules in 8 ms. Remains 47 /145 variables (removed 98) and now considering 72/226 (removed 154) transitions.
[2024-05-31 19:39:32] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
// Phase 1: matrix 51 rows 47 cols
[2024-05-31 19:39:32] [INFO ] Computed 21 invariants in 0 ms
[2024-05-31 19:39:32] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-31 19:39:32] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
[2024-05-31 19:39:32] [INFO ] Invariant cache hit.
[2024-05-31 19:39:32] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-31 19:39:32] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 47/243 places, 72/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 233 ms. Remains : 47/243 places, 72/682 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-02 finished in 295 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(p0)||X(X(G(p1)))))'
Support contains 5 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 8 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
// Phase 1: matrix 682 rows 243 cols
[2024-05-31 19:39:32] [INFO ] Computed 22 invariants in 5 ms
[2024-05-31 19:39:32] [INFO ] Implicit Places using invariants in 200 ms returned [241]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 203 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 242/243 places, 682/682 transitions.
Applied a total of 0 rules in 3 ms. Remains 242 /242 variables (removed 0) and now considering 682/682 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 215 ms. Remains : 242/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 121 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-04
Product exploration explored 100000 steps with 302 reset in 859 ms.
Stack based approach found an accepted trace after 41 steps with 0 reset with depth 42 and stack size 42 in 1 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-04 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-04 finished in 1217 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((F(p0)&&(G(p2)||p1)))||X((p3||G(p0)))))'
Support contains 7 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 6 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
[2024-05-31 19:39:33] [INFO ] Invariant cache hit.
[2024-05-31 19:39:33] [INFO ] Implicit Places using invariants in 91 ms returned []
[2024-05-31 19:39:33] [INFO ] Invariant cache hit.
[2024-05-31 19:39:33] [INFO ] State equation strengthened by 481 read => feed constraints.
[2024-05-31 19:39:34] [INFO ] Implicit Places using invariants and state equation in 407 ms returned []
Implicit Place search using SMT with State Equation took 500 ms to find 0 implicit places.
Running 681 sub problems to find dead transitions.
[2024-05-31 19:39:34] [INFO ] Invariant cache hit.
[2024-05-31 19:39:34] [INFO ] State equation strengthened by 481 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 0/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 925/925 variables, and 989 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30019 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 681 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 681/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/925 variables, 0/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 925/925 variables, and 1670 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30029 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints]
After SMT, in 60602ms problems are : Problem set: 0 solved, 681 unsolved
Search for dead transitions found 0 dead transitions in 60615ms
Finished structural reductions in LTL mode , in 1 iterations and 61128 ms. Remains : 243/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 469 ms :[(AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p3)), (AND (NOT p0) (NOT p2) (NOT p3)), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2))), (NOT p0), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-06
Product exploration explored 100000 steps with 2510 reset in 858 ms.
Stack based approach found an accepted trace after 124 steps with 6 reset with depth 4 and stack size 4 in 2 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-06 finished in 62492 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(F(p1)) U p2))||p0))))'
Support contains 4 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 4 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
[2024-05-31 19:40:36] [INFO ] Invariant cache hit.
[2024-05-31 19:40:36] [INFO ] Implicit Places using invariants in 120 ms returned [242]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 122 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 242/243 places, 682/682 transitions.
Applied a total of 0 rules in 2 ms. Remains 242 /242 variables (removed 0) and now considering 682/682 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 130 ms. Remains : 242/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 103 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2)), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-08
Product exploration explored 100000 steps with 50000 reset in 1501 ms.
Product exploration explored 100000 steps with 50000 reset in 1520 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p0 (NOT p2)), (X p0), (X (X (NOT p2)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (AND (NOT p0) (NOT p2))))), (X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 3 factoid took 16 ms. Reduced automaton from 3 states, 3 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-20a-LTLFireability-08 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-08 finished in 3304 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)||G((p1&&(p2 U p3))))))'
Support contains 8 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 182 edges and 243 vertex of which 39 / 243 are part of one of the 13 SCC in 1 ms
Free SCC test removed 26 places
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 92 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 0 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 0 with 118 rules applied. Total rules applied 119 place count 158 transition count 531
Drop transitions (Redundant composition of simpler transitions.) removed 253 transitions
Redundant transition composition rules discarded 253 transitions
Iterating global reduction 0 with 253 rules applied. Total rules applied 372 place count 158 transition count 278
Partial Post-agglomeration rule applied 4 times.
Drop transitions (Partial Post agglomeration) removed 4 transitions
Iterating global reduction 0 with 4 rules applied. Total rules applied 376 place count 158 transition count 278
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 380 place count 154 transition count 274
Iterating global reduction 0 with 4 rules applied. Total rules applied 384 place count 154 transition count 274
Applied a total of 384 rules in 39 ms. Remains 154 /243 variables (removed 89) and now considering 274/682 (removed 408) transitions.
[2024-05-31 19:40:39] [INFO ] Flow matrix only has 242 transitions (discarded 32 similar events)
// Phase 1: matrix 242 rows 154 cols
[2024-05-31 19:40:39] [INFO ] Computed 22 invariants in 1 ms
[2024-05-31 19:40:39] [INFO ] Implicit Places using invariants in 100 ms returned [153]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 102 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 153/243 places, 274/682 transitions.
Graph (trivial) has 194 edges and 153 vertex of which 39 / 153 are part of one of the 13 SCC in 0 ms
Free SCC test removed 26 places
Ensure Unique test removed 52 transitions
Reduce isomorphic transitions removed 52 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 127 transition count 202
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 107 transition count 202
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 107 transition count 182
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 87 transition count 182
Performed 27 Post agglomeration using F-continuation condition.Transition count delta: 27
Deduced a syphon composed of 27 places in 0 ms
Reduce places removed 27 places and 0 transitions.
Iterating global reduction 2 with 54 rules applied. Total rules applied 135 place count 60 transition count 155
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 155 place count 60 transition count 135
Applied a total of 155 rules in 14 ms. Remains 60 /153 variables (removed 93) and now considering 135/274 (removed 139) transitions.
[2024-05-31 19:40:39] [INFO ] Flow matrix only has 109 transitions (discarded 26 similar events)
// Phase 1: matrix 109 rows 60 cols
[2024-05-31 19:40:39] [INFO ] Computed 21 invariants in 1 ms
[2024-05-31 19:40:39] [INFO ] Implicit Places using invariants in 32 ms returned []
[2024-05-31 19:40:39] [INFO ] Flow matrix only has 109 transitions (discarded 26 similar events)
[2024-05-31 19:40:39] [INFO ] Invariant cache hit.
[2024-05-31 19:40:39] [INFO ] State equation strengthened by 63 read => feed constraints.
[2024-05-31 19:40:39] [INFO ] Implicit Places using invariants and state equation in 58 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 60/243 places, 135/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 248 ms. Remains : 60/243 places, 135/682 transitions.
Stuttering acceptance computed with spot in 88 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p3))), (AND (NOT p0) (NOT p3))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-09
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-09 finished in 357 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((F(p0)&&X(p1)))))'
Support contains 5 out of 243 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Applied a total of 0 rules in 3 ms. Remains 243 /243 variables (removed 0) and now considering 682/682 (removed 0) transitions.
// Phase 1: matrix 682 rows 243 cols
[2024-05-31 19:40:39] [INFO ] Computed 22 invariants in 2 ms
[2024-05-31 19:40:39] [INFO ] Implicit Places using invariants in 84 ms returned []
[2024-05-31 19:40:39] [INFO ] Invariant cache hit.
[2024-05-31 19:40:39] [INFO ] State equation strengthened by 481 read => feed constraints.
[2024-05-31 19:40:40] [INFO ] Implicit Places using invariants and state equation in 417 ms returned []
Implicit Place search using SMT with State Equation took 503 ms to find 0 implicit places.
Running 681 sub problems to find dead transitions.
[2024-05-31 19:40:40] [INFO ] Invariant cache hit.
[2024-05-31 19:40:40] [INFO ] State equation strengthened by 481 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 0/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 925/925 variables, and 989 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30019 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 681 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/242 variables, 242/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/242 variables, 0/242 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 2 (OVERLAPS) 1/243 variables, 22/264 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/243 variables, 1/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/243 variables, 0/265 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 5 (OVERLAPS) 682/925 variables, 243/508 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/925 variables, 481/989 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/925 variables, 681/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/925 variables, 0/1670 constraints. Problems are: Problem set: 0 solved, 681 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 925/925 variables, and 1670 constraints, problems are : Problem set: 0 solved, 681 unsolved in 30026 ms.
Refiners :[Domain max(s): 243/243 constraints, Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 243/243 constraints, ReadFeed: 481/481 constraints, PredecessorRefiner: 681/681 constraints, Known Traps: 0/0 constraints]
After SMT, in 60609ms problems are : Problem set: 0 solved, 681 unsolved
Search for dead transitions found 0 dead transitions in 60622ms
Finished structural reductions in LTL mode , in 1 iterations and 61132 ms. Remains : 243/243 places, 682/682 transitions.
Stuttering acceptance computed with spot in 141 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-11
Product exploration explored 100000 steps with 222 reset in 615 ms.
Stack based approach found an accepted trace after 157 steps with 0 reset with depth 158 and stack size 158 in 3 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-11 finished in 61906 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(F((G(p1)||p0))))'
Support contains 5 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 191 edges and 243 vertex of which 51 / 243 are part of one of the 17 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 154 transitions
Reduce isomorphic transitions removed 154 transitions.
Performed 59 Post agglomeration using F-continuation condition.Transition count delta: 59
Deduced a syphon composed of 59 places in 0 ms
Reduce places removed 59 places and 0 transitions.
Iterating global reduction 0 with 118 rules applied. Total rules applied 119 place count 150 transition count 469
Drop transitions (Redundant composition of simpler transitions.) removed 219 transitions
Redundant transition composition rules discarded 219 transitions
Iterating global reduction 0 with 219 rules applied. Total rules applied 338 place count 150 transition count 250
Partial Post-agglomeration rule applied 2 times.
Drop transitions (Partial Post agglomeration) removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 340 place count 150 transition count 250
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 342 place count 148 transition count 248
Iterating global reduction 0 with 2 rules applied. Total rules applied 344 place count 148 transition count 248
Applied a total of 344 rules in 44 ms. Remains 148 /243 variables (removed 95) and now considering 248/682 (removed 434) transitions.
[2024-05-31 19:41:41] [INFO ] Flow matrix only has 197 transitions (discarded 51 similar events)
// Phase 1: matrix 197 rows 148 cols
[2024-05-31 19:41:41] [INFO ] Computed 22 invariants in 2 ms
[2024-05-31 19:41:41] [INFO ] Implicit Places using invariants in 108 ms returned [147]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 109 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 147/243 places, 248/682 transitions.
Graph (trivial) has 196 edges and 147 vertex of which 51 / 147 are part of one of the 17 SCC in 0 ms
Free SCC test removed 34 places
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 113 transition count 160
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 93 transition count 160
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 93 transition count 140
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 73 transition count 140
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 127 place count 50 transition count 117
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 147 place count 50 transition count 97
Applied a total of 147 rules in 7 ms. Remains 50 /147 variables (removed 97) and now considering 97/248 (removed 151) transitions.
[2024-05-31 19:41:41] [INFO ] Flow matrix only has 60 transitions (discarded 37 similar events)
// Phase 1: matrix 60 rows 50 cols
[2024-05-31 19:41:41] [INFO ] Computed 21 invariants in 0 ms
[2024-05-31 19:41:41] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-31 19:41:41] [INFO ] Flow matrix only has 60 transitions (discarded 37 similar events)
[2024-05-31 19:41:41] [INFO ] Invariant cache hit.
[2024-05-31 19:41:41] [INFO ] State equation strengthened by 28 read => feed constraints.
[2024-05-31 19:41:41] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 50/243 places, 97/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 234 ms. Remains : 50/243 places, 97/682 transitions.
Stuttering acceptance computed with spot in 79 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-13
Product exploration explored 100000 steps with 0 reset in 281 ms.
Product exploration explored 100000 steps with 0 reset in 276 ms.
Computed a total of 2 stabilizing places and 1 stable transitions
Computed a total of 2 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1)))]
Knowledge based reduction with 6 factoid took 209 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 2 states, 4 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 68 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
RANDOM walk for 40000 steps (8 resets) in 735 ms. (54 steps per ms) remains 1/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
[2024-05-31 19:41:42] [INFO ] Flow matrix only has 60 transitions (discarded 37 similar events)
[2024-05-31 19:41:42] [INFO ] Invariant cache hit.
[2024-05-31 19:41:42] [INFO ] State equation strengthened by 28 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 11/16 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/16 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 34/50 variables, 17/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/50 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 59/109 variables, 50/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 27/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/109 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/110 variables, 1/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/110 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 0/110 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 110/110 variables, and 99 constraints, problems are : Problem set: 0 solved, 1 unsolved in 45 ms.
Refiners :[Positive P Invariants (semi-flows): 21/21 constraints, State Equation: 50/50 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem apf1 is UNSAT
After SMT solving in domain Int declared 16/110 variables, and 4 constraints, problems are : Problem set: 1 solved, 0 unsolved in 18 ms.
Refiners :[Positive P Invariants (semi-flows): 4/21 constraints, State Equation: 0/50 constraints, ReadFeed: 0/28 constraints, PredecessorRefiner: 0/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 67ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 p0), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X p1), (X (X (NOT (AND (NOT p1) (NOT p0))))), (G (OR p0 p1))]
False Knowledge obtained : [(X (X (AND p1 (NOT p0)))), (X (X (NOT (AND p1 (NOT p0))))), (X (X p0)), (X (X (NOT p0))), (X (X p1)), (X (X (NOT p1))), (F (NOT p1)), (F (NOT (OR p0 (NOT p1)))), (F (NOT p0))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 7 factoid took 10 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA FlexibleBarrier-PT-20a-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-13 finished in 1500 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(F(p0)))'
Support contains 3 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 195 edges and 243 vertex of which 54 / 243 are part of one of the 18 SCC in 0 ms
Free SCC test removed 36 places
Ensure Unique test removed 172 transitions
Reduce isomorphic transitions removed 172 transitions.
Performed 60 Post agglomeration using F-continuation condition.Transition count delta: 60
Deduced a syphon composed of 60 places in 0 ms
Reduce places removed 60 places and 0 transitions.
Iterating global reduction 0 with 120 rules applied. Total rules applied 121 place count 147 transition count 450
Drop transitions (Redundant composition of simpler transitions.) removed 223 transitions
Redundant transition composition rules discarded 223 transitions
Iterating global reduction 0 with 223 rules applied. Total rules applied 344 place count 147 transition count 227
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 345 place count 147 transition count 227
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 346 place count 146 transition count 226
Iterating global reduction 0 with 1 rules applied. Total rules applied 347 place count 146 transition count 226
Applied a total of 347 rules in 24 ms. Remains 146 /243 variables (removed 97) and now considering 226/682 (removed 456) transitions.
[2024-05-31 19:41:43] [INFO ] Flow matrix only has 189 transitions (discarded 37 similar events)
// Phase 1: matrix 189 rows 146 cols
[2024-05-31 19:41:43] [INFO ] Computed 22 invariants in 1 ms
[2024-05-31 19:41:43] [INFO ] Implicit Places using invariants in 108 ms returned [145]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 109 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 145/243 places, 226/682 transitions.
Graph (trivial) has 198 edges and 145 vertex of which 54 / 145 are part of one of the 18 SCC in 1 ms
Free SCC test removed 36 places
Ensure Unique test removed 72 transitions
Reduce isomorphic transitions removed 72 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 109 transition count 134
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 89 transition count 134
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 89 transition count 114
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 69 transition count 114
Performed 22 Post agglomeration using F-continuation condition.Transition count delta: 22
Deduced a syphon composed of 22 places in 0 ms
Reduce places removed 22 places and 0 transitions.
Iterating global reduction 2 with 44 rules applied. Total rules applied 125 place count 47 transition count 92
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 145 place count 47 transition count 72
Applied a total of 145 rules in 18 ms. Remains 47 /145 variables (removed 98) and now considering 72/226 (removed 154) transitions.
[2024-05-31 19:41:43] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
// Phase 1: matrix 51 rows 47 cols
[2024-05-31 19:41:43] [INFO ] Computed 21 invariants in 1 ms
[2024-05-31 19:41:43] [INFO ] Implicit Places using invariants in 30 ms returned []
[2024-05-31 19:41:43] [INFO ] Flow matrix only has 51 transitions (discarded 21 similar events)
[2024-05-31 19:41:43] [INFO ] Invariant cache hit.
[2024-05-31 19:41:43] [INFO ] State equation strengthened by 23 read => feed constraints.
[2024-05-31 19:41:43] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 47/243 places, 72/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 225 ms. Remains : 47/243 places, 72/682 transitions.
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-14 finished in 301 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||F(p1)))))'
Support contains 4 out of 243 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 243/243 places, 682/682 transitions.
Graph (trivial) has 193 edges and 243 vertex of which 51 / 243 are part of one of the 17 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 170 transitions
Reduce isomorphic transitions removed 170 transitions.
Performed 61 Post agglomeration using F-continuation condition.Transition count delta: 61
Deduced a syphon composed of 61 places in 1 ms
Reduce places removed 61 places and 0 transitions.
Iterating global reduction 0 with 122 rules applied. Total rules applied 123 place count 148 transition count 451
Drop transitions (Redundant composition of simpler transitions.) removed 221 transitions
Redundant transition composition rules discarded 221 transitions
Iterating global reduction 0 with 221 rules applied. Total rules applied 344 place count 148 transition count 230
Partial Post-agglomeration rule applied 1 times.
Drop transitions (Partial Post agglomeration) removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 345 place count 148 transition count 230
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 346 place count 147 transition count 229
Iterating global reduction 0 with 1 rules applied. Total rules applied 347 place count 147 transition count 229
Applied a total of 347 rules in 25 ms. Remains 147 /243 variables (removed 96) and now considering 229/682 (removed 453) transitions.
[2024-05-31 19:41:43] [INFO ] Flow matrix only has 193 transitions (discarded 36 similar events)
// Phase 1: matrix 193 rows 147 cols
[2024-05-31 19:41:43] [INFO ] Computed 22 invariants in 1 ms
[2024-05-31 19:41:43] [INFO ] Implicit Places using invariants in 105 ms returned [146]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 106 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 146/243 places, 229/682 transitions.
Graph (trivial) has 196 edges and 146 vertex of which 51 / 146 are part of one of the 17 SCC in 0 ms
Free SCC test removed 34 places
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 20 transitions
Trivial Post-agglo rules discarded 20 transitions
Performed 20 trivial Post agglomeration. Transition count delta: 20
Iterating post reduction 0 with 20 rules applied. Total rules applied 21 place count 112 transition count 141
Reduce places removed 20 places and 0 transitions.
Iterating post reduction 1 with 20 rules applied. Total rules applied 41 place count 92 transition count 141
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 41 place count 92 transition count 121
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 81 place count 72 transition count 121
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: 23
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 2 with 46 rules applied. Total rules applied 127 place count 49 transition count 98
Drop transitions (Redundant composition of simpler transitions.) removed 20 transitions
Redundant transition composition rules discarded 20 transitions
Iterating global reduction 2 with 20 rules applied. Total rules applied 147 place count 49 transition count 78
Applied a total of 147 rules in 4 ms. Remains 49 /146 variables (removed 97) and now considering 78/229 (removed 151) transitions.
[2024-05-31 19:41:43] [INFO ] Flow matrix only has 56 transitions (discarded 22 similar events)
// Phase 1: matrix 56 rows 49 cols
[2024-05-31 19:41:43] [INFO ] Computed 21 invariants in 0 ms
[2024-05-31 19:41:43] [INFO ] Implicit Places using invariants in 26 ms returned []
[2024-05-31 19:41:43] [INFO ] Flow matrix only has 56 transitions (discarded 22 similar events)
[2024-05-31 19:41:43] [INFO ] Invariant cache hit.
[2024-05-31 19:41:43] [INFO ] State equation strengthened by 25 read => feed constraints.
[2024-05-31 19:41:43] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 71 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 49/243 places, 78/682 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 206 ms. Remains : 49/243 places, 78/682 transitions.
Stuttering acceptance computed with spot in 78 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : FlexibleBarrier-PT-20a-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA FlexibleBarrier-PT-20a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property FlexibleBarrier-PT-20a-LTLFireability-15 finished in 301 ms.
All properties solved by simple procedures.
Total runtime 195365 ms.
ITS solved all properties within timeout

BK_STOP 1717184503732

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ 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="FlexibleBarrier-PT-20a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
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 ltsminxred"
echo " Input is FlexibleBarrier-PT-20a, 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 r496-tall-171640602700132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FlexibleBarrier-PT-20a.tgz
mv FlexibleBarrier-PT-20a 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 ;