About the Execution of ITS-Tools for SemanticWebServices-PT-S064P15
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 0.000 | 25189.00 | 0.00 | 0.00 | FTFTFTFFFFTTFFFF | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2025-input.r184-tall-174889265000867.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................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=====================================================================
Generated by BenchKit 2-5832
Executing tool itstools
Input is SemanticWebServices-PT-S064P15, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r184-tall-174889265000867
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 6.3K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.2K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 44K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 111K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 74K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.2K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 8 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 137K May 29 14:32 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of booleans
BOOL_VECTOR
echo here is the order used to build the result vector(from xml file)
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-00
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-01
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-02
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-03
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-04
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-05
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-06
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-07
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-08
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-09
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-10
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-11
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-12
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-13
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-14
FORMULA_NAME SemanticWebServices-PT-S064P15-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1749228863080
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SemanticWebServices-PT-S064P15
BK_MEMORY_CONFINEMENT=16384
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202505121319
[2025-06-06 16:54:24] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2025-06-06 16:54:24] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-06-06 16:54:24] [INFO ] Load time of PNML (sax parser for PT used): 82 ms
[2025-06-06 16:54:24] [INFO ] Transformed 118 places.
[2025-06-06 16:54:24] [INFO ] Transformed 194 transitions.
[2025-06-06 16:54:24] [INFO ] Parsed PT model containing 118 places and 194 transitions and 1007 arcs in 171 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 6 formulas.
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 2 transitions.
Ensure Unique test removed 101 transitions
Reduce redundant transitions removed 101 transitions.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-03 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 116 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 116/116 places, 91/91 transitions.
Ensure Unique test removed 32 places
Reduce places removed 33 places and 0 transitions.
Iterating post reduction 0 with 33 rules applied. Total rules applied 33 place count 83 transition count 91
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 38 place count 78 transition count 86
Iterating global reduction 1 with 5 rules applied. Total rules applied 43 place count 78 transition count 86
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 46 place count 75 transition count 83
Iterating global reduction 1 with 3 rules applied. Total rules applied 49 place count 75 transition count 83
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 50 place count 74 transition count 82
Iterating global reduction 1 with 1 rules applied. Total rules applied 51 place count 74 transition count 82
Applied a total of 51 rules in 23 ms. Remains 74 /116 variables (removed 42) and now considering 82/91 (removed 9) transitions.
[2025-06-06 16:54:24] [INFO ] Flow matrix only has 73 transitions (discarded 9 similar events)
// Phase 1: matrix 73 rows 74 cols
[2025-06-06 16:54:24] [INFO ] Computed 4 invariants in 8 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:24] [INFO ] Implicit Places using invariants in 166 ms returned []
[2025-06-06 16:54:24] [INFO ] Flow matrix only has 73 transitions (discarded 9 similar events)
[2025-06-06 16:54:24] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:24] [INFO ] State equation strengthened by 63 read => feed constraints.
[2025-06-06 16:54:24] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 294 ms to find 0 implicit places.
Running 77 sub problems to find dead transitions.
[2025-06-06 16:54:24] [INFO ] Flow matrix only has 73 transitions (discarded 9 similar events)
[2025-06-06 16:54:24] [INFO ] Invariant cache hit.
[2025-06-06 16:54:24] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 3/74 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 73/147 variables, 74/78 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 63/141 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/147 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (OVERLAPS) 0/147 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Real declared 147/147 variables, and 141 constraints, problems are : Problem set: 0 solved, 77 unsolved in 1479 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 74/74 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 77 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/71 variables, 2/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/71 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 2 (OVERLAPS) 3/74 variables, 2/4 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/74 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 4 (OVERLAPS) 73/147 variables, 74/78 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/147 variables, 63/141 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/147 variables, 77/218 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/147 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 77 unsolved
At refinement iteration 8 (OVERLAPS) 0/147 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 77 unsolved
No progress, stopping.
After SMT solving in domain Int declared 147/147 variables, and 218 constraints, problems are : Problem set: 0 solved, 77 unsolved in 1756 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 74/74 constraints, ReadFeed: 63/63 constraints, PredecessorRefiner: 77/77 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 3264ms problems are : Problem set: 0 solved, 77 unsolved
Search for dead transitions found 0 dead transitions in 3274ms
Starting structural reductions in LTL mode, iteration 1 : 74/116 places, 82/91 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3607 ms. Remains : 74/116 places, 82/91 transitions.
Support contains 34 out of 74 places after structural reductions.
[2025-06-06 16:54:28] [INFO ] Flatten gal took : 19 ms
[2025-06-06 16:54:28] [INFO ] Flatten gal took : 9 ms
[2025-06-06 16:54:28] [INFO ] Input system was already deterministic with 82 transitions.
RANDOM walk for 40000 steps (9 resets) in 895 ms. (44 steps per ms) remains 1/22 properties
BEST_FIRST walk for 40003 steps (11 resets) in 100 ms. (396 steps per ms) remains 1/1 properties
[2025-06-06 16:54:28] [INFO ] Flow matrix only has 73 transitions (discarded 9 similar events)
[2025-06-06 16:54:28] [INFO ] Invariant cache hit.
[2025-06-06 16:54:28] [INFO ] State equation strengthened by 63 read => feed constraints.
Starting Z3 with timeout 5.0 s and query timeout 500.0 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 65/69 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/69 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/74 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/74 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Problem AtomicPropp3 is UNSAT
After SMT solving in domain Real declared 147/147 variables, and 78 constraints, problems are : Problem set: 1 solved, 0 unsolved in 122 ms.
Refiners :[Generalized P Invariants (flows): 4/4 constraints, State Equation: 74/74 constraints, ReadFeed: 0/63 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 129ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-08 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 1 atomic propositions for a total of 8 simplifications.
Computed a total of 9 stabilizing places and 11 stable transitions
Graph (complete) has 225 edges and 74 vertex of which 67 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.2 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X((p0&&X(G(p1))))))'
Support contains 4 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 82
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 8 place count 66 transition count 77
Iterating global reduction 1 with 5 rules applied. Total rules applied 13 place count 66 transition count 77
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 14 place count 66 transition count 76
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 18 place count 62 transition count 72
Iterating global reduction 2 with 4 rules applied. Total rules applied 22 place count 62 transition count 72
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 59 transition count 69
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 59 transition count 69
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 56 transition count 66
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 56 transition count 66
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 35 place count 56 transition count 65
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 36 place count 55 transition count 64
Iterating global reduction 3 with 1 rules applied. Total rules applied 37 place count 55 transition count 64
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 38 place count 55 transition count 63
Applied a total of 38 rules in 14 ms. Remains 55 /74 variables (removed 19) and now considering 63/82 (removed 19) transitions.
[2025-06-06 16:54:29] [INFO ] Flow matrix only has 56 transitions (discarded 7 similar events)
// Phase 1: matrix 56 rows 55 cols
[2025-06-06 16:54:29] [INFO ] Computed 1 invariants in 1 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:29] [INFO ] Implicit Places using invariants in 26 ms returned []
[2025-06-06 16:54:29] [INFO ] Flow matrix only has 56 transitions (discarded 7 similar events)
[2025-06-06 16:54:29] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:29] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-06-06 16:54:29] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
Running 59 sub problems to find dead transitions.
[2025-06-06 16:54:29] [INFO ] Flow matrix only has 56 transitions (discarded 7 similar events)
[2025-06-06 16:54:29] [INFO ] Invariant cache hit.
[2025-06-06 16:54:29] [INFO ] State equation strengthened by 47 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 2/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (OVERLAPS) 56/111 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 47/103 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (OVERLAPS) 0/111 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 103 constraints, problems are : Problem set: 0 solved, 59 unsolved in 853 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 59 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 1 (OVERLAPS) 2/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 3 (OVERLAPS) 56/111 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 47/103 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 59/162 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 59 unsolved
At refinement iteration 7 (OVERLAPS) 0/111 variables, 0/162 constraints. Problems are: Problem set: 0 solved, 59 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 162 constraints, problems are : Problem set: 0 solved, 59 unsolved in 879 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 59/59 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1738ms problems are : Problem set: 0 solved, 59 unsolved
Search for dead transitions found 0 dead transitions in 1739ms
Starting structural reductions in LTL mode, iteration 1 : 55/74 places, 63/82 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1835 ms. Remains : 55/74 places, 63/82 transitions.
Stuttering acceptance computed with spot in 267 ms :[true, (OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-00
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 1 ms.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-00 finished in 2162 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 4 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Graph (complete) has 225 edges and 74 vertex of which 68 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 2 output transitions
Drop transitions (Output transitions of discarded places.) removed 2 transitions
Ensure Unique test removed 2 places
Reduce places removed 3 places and 1 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 7 place count 59 transition count 73
Iterating global reduction 0 with 6 rules applied. Total rules applied 13 place count 59 transition count 73
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 14 place count 59 transition count 72
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 20 place count 53 transition count 66
Iterating global reduction 1 with 6 rules applied. Total rules applied 26 place count 53 transition count 66
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 31 place count 48 transition count 61
Iterating global reduction 1 with 5 rules applied. Total rules applied 36 place count 48 transition count 61
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 41 place count 43 transition count 56
Iterating global reduction 1 with 5 rules applied. Total rules applied 46 place count 43 transition count 56
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 47 place count 43 transition count 55
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 50 place count 40 transition count 52
Iterating global reduction 2 with 3 rules applied. Total rules applied 53 place count 40 transition count 52
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 55 place count 38 transition count 50
Iterating global reduction 2 with 2 rules applied. Total rules applied 57 place count 38 transition count 50
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 59 place count 38 transition count 48
Applied a total of 59 rules in 21 ms. Remains 38 /74 variables (removed 36) and now considering 48/82 (removed 34) transitions.
[2025-06-06 16:54:31] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
// Phase 1: matrix 42 rows 38 cols
[2025-06-06 16:54:31] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:31] [INFO ] Implicit Places using invariants in 18 ms returned []
[2025-06-06 16:54:31] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
[2025-06-06 16:54:31] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:31] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-06 16:54:31] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 16:54:31] [INFO ] Redundant transitions in 1 ms returned []
Running 36 sub problems to find dead transitions.
[2025-06-06 16:54:31] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
[2025-06-06 16:54:31] [INFO ] Invariant cache hit.
[2025-06-06 16:54:31] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 40/76 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 27/63 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 1/77 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 1/78 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/80 variables, and 65 constraints, problems are : Problem set: 0 solved, 36 unsolved in 610 ms.
Refiners :[State Equation: 37/38 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 40/76 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 27/63 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 28/91 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (OVERLAPS) 1/77 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (OVERLAPS) 1/78 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 9 (OVERLAPS) 1/79 variables, 8/101 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 11 (OVERLAPS) 1/80 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/80 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 13 (OVERLAPS) 0/80 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 102 constraints, problems are : Problem set: 0 solved, 36 unsolved in 931 ms.
Refiners :[State Equation: 38/38 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1548ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 1549ms
Starting structural reductions in SI_LTL mode, iteration 1 : 38/74 places, 48/82 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1628 ms. Remains : 38/74 places, 48/82 transitions.
Stuttering acceptance computed with spot in 27 ms :[(NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-02
Product exploration explored 100000 steps with 0 reset in 194 ms.
Product exploration explored 100000 steps with 0 reset in 318 ms.
Computed a total of 5 stabilizing places and 7 stable transitions
Graph (complete) has 85 edges and 38 vertex of which 37 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 5 stabilizing places and 7 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 63 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
RANDOM walk for 17002 steps (5 resets) in 75 ms. (223 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 95 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Support contains 4 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 48/48 transitions.
Applied a total of 0 rules in 3 ms. Remains 38 /38 variables (removed 0) and now considering 48/48 (removed 0) transitions.
[2025-06-06 16:54:33] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
[2025-06-06 16:54:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:33] [INFO ] Implicit Places using invariants in 27 ms returned []
[2025-06-06 16:54:33] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
[2025-06-06 16:54:33] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:33] [INFO ] State equation strengthened by 28 read => feed constraints.
[2025-06-06 16:54:33] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 16:54:33] [INFO ] Redundant transitions in 1 ms returned []
Running 36 sub problems to find dead transitions.
[2025-06-06 16:54:33] [INFO ] Flow matrix only has 42 transitions (discarded 6 similar events)
[2025-06-06 16:54:33] [INFO ] Invariant cache hit.
[2025-06-06 16:54:33] [INFO ] State equation strengthened by 28 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 40/76 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 27/63 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 0/63 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (OVERLAPS) 1/77 variables, 1/64 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/64 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (OVERLAPS) 1/78 variables, 1/65 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/80 variables, and 65 constraints, problems are : Problem set: 0 solved, 36 unsolved in 596 ms.
Refiners :[State Equation: 37/38 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 36 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/36 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 1 (OVERLAPS) 40/76 variables, 36/36 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 27/63 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/76 variables, 28/91 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/76 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 5 (OVERLAPS) 1/77 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 7 (OVERLAPS) 1/78 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 9 (OVERLAPS) 1/79 variables, 8/101 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 11 (OVERLAPS) 1/80 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/80 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 36 unsolved
At refinement iteration 13 (OVERLAPS) 0/80 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 36 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 102 constraints, problems are : Problem set: 0 solved, 36 unsolved in 817 ms.
Refiners :[State Equation: 38/38 constraints, ReadFeed: 28/28 constraints, PredecessorRefiner: 36/36 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1418ms problems are : Problem set: 0 solved, 36 unsolved
Search for dead transitions found 0 dead transitions in 1418ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 1495 ms. Remains : 38/38 places, 48/48 transitions.
Computed a total of 5 stabilizing places and 7 stable transitions
Graph (complete) has 85 edges and 38 vertex of which 37 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Computed a total of 5 stabilizing places and 7 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 70 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
RANDOM walk for 36881 steps (9 resets) in 154 ms. (237 steps per ms) remains 0/1 properties
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 89 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Stuttering criterion allowed to conclude after 199 steps with 0 reset in 1 ms.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-02 finished in 4371 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((p1 U (p2||G(p1)))))))'
Support contains 4 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 82
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 9 place count 65 transition count 76
Iterating global reduction 1 with 6 rules applied. Total rules applied 15 place count 65 transition count 76
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 16 place count 65 transition count 75
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 21 place count 60 transition count 70
Iterating global reduction 2 with 5 rules applied. Total rules applied 26 place count 60 transition count 70
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 29 place count 57 transition count 67
Iterating global reduction 2 with 3 rules applied. Total rules applied 32 place count 57 transition count 67
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 33 place count 56 transition count 66
Iterating global reduction 2 with 1 rules applied. Total rules applied 34 place count 56 transition count 66
Applied a total of 34 rules in 15 ms. Remains 56 /74 variables (removed 18) and now considering 66/82 (removed 16) transitions.
[2025-06-06 16:54:35] [INFO ] Flow matrix only has 57 transitions (discarded 9 similar events)
// Phase 1: matrix 57 rows 56 cols
[2025-06-06 16:54:35] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:35] [INFO ] Implicit Places using invariants in 22 ms returned []
[2025-06-06 16:54:35] [INFO ] Flow matrix only has 57 transitions (discarded 9 similar events)
[2025-06-06 16:54:35] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:35] [INFO ] State equation strengthened by 48 read => feed constraints.
[2025-06-06 16:54:35] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 67 ms to find 0 implicit places.
Running 62 sub problems to find dead transitions.
[2025-06-06 16:54:35] [INFO ] Flow matrix only has 57 transitions (discarded 9 similar events)
[2025-06-06 16:54:35] [INFO ] Invariant cache hit.
[2025-06-06 16:54:35] [INFO ] State equation strengthened by 48 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (OVERLAPS) 2/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 57/113 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 48/105 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (OVERLAPS) 0/113 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Real declared 113/113 variables, and 105 constraints, problems are : Problem set: 0 solved, 62 unsolved in 904 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 62 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/54 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 1 (OVERLAPS) 2/56 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/56 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 3 (OVERLAPS) 57/113 variables, 56/57 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/113 variables, 48/105 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/113 variables, 62/167 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/113 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 62 unsolved
At refinement iteration 7 (OVERLAPS) 0/113 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 62 unsolved
No progress, stopping.
After SMT solving in domain Int declared 113/113 variables, and 167 constraints, problems are : Problem set: 0 solved, 62 unsolved in 945 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 56/56 constraints, ReadFeed: 48/48 constraints, PredecessorRefiner: 62/62 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1857ms problems are : Problem set: 0 solved, 62 unsolved
Search for dead transitions found 0 dead transitions in 1858ms
Starting structural reductions in LTL mode, iteration 1 : 56/74 places, 66/82 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1940 ms. Remains : 56/74 places, 66/82 transitions.
Stuttering acceptance computed with spot in 103 ms :[true, (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-05
Product exploration explored 100000 steps with 50000 reset in 101 ms.
Product exploration explored 100000 steps with 50000 reset in 102 ms.
Computed a total of 8 stabilizing places and 9 stable transitions
Graph (complete) has 118 edges and 56 vertex of which 50 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Computed a total of 8 stabilizing places and 9 stable transitions
Knowledge obtained : [(AND p0 p2 p1), (X p0), (X (X p2)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X p1)), (X (X (NOT (AND (NOT p2) p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 6 factoid took 13 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-05 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-05 finished in 2275 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((G(p0)||X(F(p1))) U ((p1 U p2) U G(p2))))'
Support contains 3 out of 74 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Graph (complete) has 225 edges and 74 vertex of which 67 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Ensure Unique test removed 2 places
Reduce places removed 3 places and 1 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 59 transition count 73
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 59 transition count 73
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 12 place count 59 transition count 72
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 17 place count 54 transition count 67
Iterating global reduction 1 with 5 rules applied. Total rules applied 22 place count 54 transition count 67
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 26 place count 50 transition count 63
Iterating global reduction 1 with 4 rules applied. Total rules applied 30 place count 50 transition count 63
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 34 place count 46 transition count 59
Iterating global reduction 1 with 4 rules applied. Total rules applied 38 place count 46 transition count 59
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 40 place count 44 transition count 57
Iterating global reduction 1 with 2 rules applied. Total rules applied 42 place count 44 transition count 57
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 43 place count 43 transition count 56
Iterating global reduction 1 with 1 rules applied. Total rules applied 44 place count 43 transition count 56
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 45 place count 43 transition count 55
Applied a total of 45 rules in 20 ms. Remains 43 /74 variables (removed 31) and now considering 55/82 (removed 27) transitions.
[2025-06-06 16:54:37] [INFO ] Flow matrix only has 46 transitions (discarded 9 similar events)
// Phase 1: matrix 46 rows 43 cols
[2025-06-06 16:54:37] [INFO ] Computed 0 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:38] [INFO ] Implicit Places using invariants in 28 ms returned []
[2025-06-06 16:54:38] [INFO ] Flow matrix only has 46 transitions (discarded 9 similar events)
[2025-06-06 16:54:38] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:38] [INFO ] State equation strengthened by 31 read => feed constraints.
[2025-06-06 16:54:38] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
Starting Z3 with timeout 200.0 s and query timeout 20000.0 ms
[2025-06-06 16:54:38] [INFO ] Redundant transitions in 1 ms returned []
Running 41 sub problems to find dead transitions.
[2025-06-06 16:54:38] [INFO ] Flow matrix only has 46 transitions (discarded 9 similar events)
[2025-06-06 16:54:38] [INFO ] Invariant cache hit.
[2025-06-06 16:54:38] [INFO ] State equation strengthened by 31 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 44/85 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 30/71 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 0/71 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (OVERLAPS) 1/86 variables, 1/72 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/86 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (OVERLAPS) 1/87 variables, 1/73 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (OVERLAPS) 0/87 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/89 variables, and 73 constraints, problems are : Problem set: 0 solved, 41 unsolved in 772 ms.
Refiners :[State Equation: 42/43 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 41 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 1 (OVERLAPS) 44/85 variables, 41/41 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/85 variables, 30/71 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/85 variables, 31/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/85 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 5 (OVERLAPS) 1/86 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 7 (OVERLAPS) 1/87 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/87 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 9 (OVERLAPS) 1/88 variables, 10/114 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/88 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 11 (OVERLAPS) 1/89 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/89 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 41 unsolved
At refinement iteration 13 (OVERLAPS) 0/89 variables, 0/115 constraints. Problems are: Problem set: 0 solved, 41 unsolved
No progress, stopping.
After SMT solving in domain Int declared 89/89 variables, and 115 constraints, problems are : Problem set: 0 solved, 41 unsolved in 966 ms.
Refiners :[State Equation: 43/43 constraints, ReadFeed: 31/31 constraints, PredecessorRefiner: 41/41 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1742ms problems are : Problem set: 0 solved, 41 unsolved
Search for dead transitions found 0 dead transitions in 1742ms
Starting structural reductions in SI_LTL mode, iteration 1 : 43/74 places, 55/82 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1830 ms. Remains : 43/74 places, 55/82 transitions.
Stuttering acceptance computed with spot in 158 ms :[(NOT p2), (NOT p1), (AND (NOT p1) (NOT p2) p0), (AND (NOT p1) p2 (NOT p0))]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-09
Stuttering criterion allowed to conclude after 113 steps with 38 reset in 1 ms.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-09 finished in 2006 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||G((p1||F(p2)||X(X(X(F(!p0)))))))))'
Support contains 5 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 82
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 8 place count 66 transition count 77
Iterating global reduction 1 with 5 rules applied. Total rules applied 13 place count 66 transition count 77
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 14 place count 66 transition count 76
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 18 place count 62 transition count 72
Iterating global reduction 2 with 4 rules applied. Total rules applied 22 place count 62 transition count 72
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 26 place count 58 transition count 68
Iterating global reduction 2 with 4 rules applied. Total rules applied 30 place count 58 transition count 68
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 33 place count 55 transition count 65
Iterating global reduction 2 with 3 rules applied. Total rules applied 36 place count 55 transition count 65
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 37 place count 55 transition count 64
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 38 place count 54 transition count 63
Iterating global reduction 3 with 1 rules applied. Total rules applied 39 place count 54 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 40 place count 54 transition count 62
Applied a total of 40 rules in 12 ms. Remains 54 /74 variables (removed 20) and now considering 62/82 (removed 20) transitions.
[2025-06-06 16:54:39] [INFO ] Flow matrix only has 55 transitions (discarded 7 similar events)
// Phase 1: matrix 55 rows 54 cols
[2025-06-06 16:54:39] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:40] [INFO ] Implicit Places using invariants in 23 ms returned []
[2025-06-06 16:54:40] [INFO ] Flow matrix only has 55 transitions (discarded 7 similar events)
[2025-06-06 16:54:40] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:40] [INFO ] State equation strengthened by 46 read => feed constraints.
[2025-06-06 16:54:40] [INFO ] Implicit Places using invariants and state equation in 39 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
Running 58 sub problems to find dead transitions.
[2025-06-06 16:54:40] [INFO ] Flow matrix only has 55 transitions (discarded 7 similar events)
[2025-06-06 16:54:40] [INFO ] Invariant cache hit.
[2025-06-06 16:54:40] [INFO ] State equation strengthened by 46 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 2/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 55/109 variables, 54/55 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 46/101 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 0/109 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 109/109 variables, and 101 constraints, problems are : Problem set: 0 solved, 58 unsolved in 789 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 2/54 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 55/109 variables, 54/55 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/109 variables, 46/101 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/109 variables, 58/159 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/109 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (OVERLAPS) 0/109 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 109/109 variables, and 159 constraints, problems are : Problem set: 0 solved, 58 unsolved in 844 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 54/54 constraints, ReadFeed: 46/46 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1642ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1644ms
Starting structural reductions in LTL mode, iteration 1 : 54/74 places, 62/82 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1731 ms. Remains : 54/74 places, 62/82 transitions.
Stuttering acceptance computed with spot in 227 ms :[false, false, (AND (NOT p1) (NOT p2) p0), (AND p0 (NOT p2)), (AND (NOT p2) p0), (AND p0 (NOT p2))]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-11
Product exploration explored 100000 steps with 50000 reset in 55 ms.
Product exploration explored 100000 steps with 50000 reset in 67 ms.
Computed a total of 8 stabilizing places and 9 stable transitions
Graph (complete) has 112 edges and 54 vertex of which 48 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.10 ms
Computed a total of 8 stabilizing places and 9 stable transitions
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1) (NOT p2)))), (X p0), (X p1), (X (X (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 11 ms. Reduced automaton from 6 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-11 finished in 2125 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0)) U G(p1)))'
Support contains 3 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 82
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 8 place count 66 transition count 77
Iterating global reduction 1 with 5 rules applied. Total rules applied 13 place count 66 transition count 77
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 18 place count 61 transition count 72
Iterating global reduction 1 with 5 rules applied. Total rules applied 23 place count 61 transition count 72
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 27 place count 57 transition count 68
Iterating global reduction 1 with 4 rules applied. Total rules applied 31 place count 57 transition count 68
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 34 place count 54 transition count 65
Iterating global reduction 1 with 3 rules applied. Total rules applied 37 place count 54 transition count 65
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 38 place count 54 transition count 64
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 53 transition count 63
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 53 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 41 place count 53 transition count 62
Applied a total of 41 rules in 5 ms. Remains 53 /74 variables (removed 21) and now considering 62/82 (removed 20) transitions.
[2025-06-06 16:54:42] [INFO ] Flow matrix only has 55 transitions (discarded 7 similar events)
// Phase 1: matrix 55 rows 53 cols
[2025-06-06 16:54:42] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:42] [INFO ] Implicit Places using invariants in 281 ms returned []
[2025-06-06 16:54:42] [INFO ] Flow matrix only has 55 transitions (discarded 7 similar events)
[2025-06-06 16:54:42] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:42] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-06 16:54:42] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 326 ms to find 0 implicit places.
Running 57 sub problems to find dead transitions.
[2025-06-06 16:54:42] [INFO ] Flow matrix only has 55 transitions (discarded 7 similar events)
[2025-06-06 16:54:42] [INFO ] Invariant cache hit.
[2025-06-06 16:54:42] [INFO ] State equation strengthened by 45 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 2/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 55/108 variables, 53/54 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 45/99 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (OVERLAPS) 0/108 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Real declared 108/108 variables, and 99 constraints, problems are : Problem set: 0 solved, 57 unsolved in 787 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 57 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 1 (OVERLAPS) 2/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 3 (OVERLAPS) 55/108 variables, 53/54 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/108 variables, 45/99 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/108 variables, 57/156 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/108 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 57 unsolved
At refinement iteration 7 (OVERLAPS) 0/108 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 57 unsolved
No progress, stopping.
After SMT solving in domain Int declared 108/108 variables, and 156 constraints, problems are : Problem set: 0 solved, 57 unsolved in 853 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 57/57 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1655ms problems are : Problem set: 0 solved, 57 unsolved
Search for dead transitions found 0 dead transitions in 1655ms
Starting structural reductions in LTL mode, iteration 1 : 53/74 places, 62/82 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1987 ms. Remains : 53/74 places, 62/82 transitions.
Stuttering acceptance computed with spot in 177 ms :[(NOT p1), (NOT p0), (AND (NOT p1) (NOT p0)), true, (AND (NOT p1) p0)]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-12
Entered a terminal (fully accepting) state of product in 28 steps with 7 reset in 0 ms.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-12 finished in 2180 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)||G(p1))))'
Support contains 3 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 82
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 9 place count 65 transition count 76
Iterating global reduction 1 with 6 rules applied. Total rules applied 15 place count 65 transition count 76
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 16 place count 65 transition count 75
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 20 place count 61 transition count 71
Iterating global reduction 2 with 4 rules applied. Total rules applied 24 place count 61 transition count 71
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 27 place count 58 transition count 68
Iterating global reduction 2 with 3 rules applied. Total rules applied 30 place count 58 transition count 68
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 56 transition count 66
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 56 transition count 66
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 35 place count 55 transition count 65
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 55 transition count 65
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 37 place count 55 transition count 64
Applied a total of 37 rules in 9 ms. Remains 55 /74 variables (removed 19) and now considering 64/82 (removed 18) transitions.
[2025-06-06 16:54:44] [INFO ] Flow matrix only has 56 transitions (discarded 8 similar events)
// Phase 1: matrix 56 rows 55 cols
[2025-06-06 16:54:44] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:44] [INFO ] Implicit Places using invariants in 33 ms returned []
[2025-06-06 16:54:44] [INFO ] Flow matrix only has 56 transitions (discarded 8 similar events)
[2025-06-06 16:54:44] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:44] [INFO ] State equation strengthened by 47 read => feed constraints.
[2025-06-06 16:54:44] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
Running 60 sub problems to find dead transitions.
[2025-06-06 16:54:44] [INFO ] Flow matrix only has 56 transitions (discarded 8 similar events)
[2025-06-06 16:54:44] [INFO ] Invariant cache hit.
[2025-06-06 16:54:44] [INFO ] State equation strengthened by 47 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 2/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 56/111 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 47/103 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (OVERLAPS) 0/111 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Real declared 111/111 variables, and 103 constraints, problems are : Problem set: 0 solved, 60 unsolved in 795 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 60 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/53 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 1 (OVERLAPS) 2/55 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/55 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 3 (OVERLAPS) 56/111 variables, 55/56 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 47/103 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 60/163 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 60 unsolved
At refinement iteration 7 (OVERLAPS) 0/111 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 60 unsolved
No progress, stopping.
After SMT solving in domain Int declared 111/111 variables, and 163 constraints, problems are : Problem set: 0 solved, 60 unsolved in 906 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 55/55 constraints, ReadFeed: 47/47 constraints, PredecessorRefiner: 60/60 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1706ms problems are : Problem set: 0 solved, 60 unsolved
Search for dead transitions found 0 dead transitions in 1707ms
Starting structural reductions in LTL mode, iteration 1 : 55/74 places, 64/82 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1793 ms. Remains : 55/74 places, 64/82 transitions.
Stuttering acceptance computed with spot in 104 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-14
Product exploration explored 100000 steps with 0 reset in 144 ms.
Stuttering criterion allowed to conclude after 189 steps with 5 reset in 1 ms.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-14 finished in 2057 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202505121319/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((p0&&X(X(G(p1)))))))'
Support contains 3 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 82/82 transitions.
Ensure Unique test removed 2 places
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 3 place count 71 transition count 82
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 9 place count 65 transition count 76
Iterating global reduction 1 with 6 rules applied. Total rules applied 15 place count 65 transition count 76
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 16 place count 65 transition count 75
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 21 place count 60 transition count 70
Iterating global reduction 2 with 5 rules applied. Total rules applied 26 place count 60 transition count 70
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 30 place count 56 transition count 66
Iterating global reduction 2 with 4 rules applied. Total rules applied 34 place count 56 transition count 66
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 54 transition count 64
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 54 transition count 64
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 53 transition count 63
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 53 transition count 63
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 41 place count 53 transition count 62
Applied a total of 41 rules in 6 ms. Remains 53 /74 variables (removed 21) and now considering 62/82 (removed 20) transitions.
[2025-06-06 16:54:46] [INFO ] Flow matrix only has 54 transitions (discarded 8 similar events)
// Phase 1: matrix 54 rows 53 cols
[2025-06-06 16:54:46] [INFO ] Computed 1 invariants in 0 ms
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:46] [INFO ] Implicit Places using invariants in 25 ms returned []
[2025-06-06 16:54:46] [INFO ] Flow matrix only has 54 transitions (discarded 8 similar events)
[2025-06-06 16:54:46] [INFO ] Invariant cache hit.
Starting Z3 with timeout 160.0 s and query timeout 16000.0 ms
[2025-06-06 16:54:46] [INFO ] State equation strengthened by 45 read => feed constraints.
[2025-06-06 16:54:46] [INFO ] Implicit Places using invariants and state equation in 37 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Running 58 sub problems to find dead transitions.
[2025-06-06 16:54:46] [INFO ] Flow matrix only has 54 transitions (discarded 8 similar events)
[2025-06-06 16:54:46] [INFO ] Invariant cache hit.
[2025-06-06 16:54:46] [INFO ] State equation strengthened by 45 read => feed constraints.
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 2/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 54/107 variables, 53/54 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 45/99 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (OVERLAPS) 0/107 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Real declared 107/107 variables, and 99 constraints, problems are : Problem set: 0 solved, 58 unsolved in 785 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 58 unsolved
Starting Z3 with timeout 30.0 s and query timeout 3000.0 ms
At refinement iteration 0 (INCLUDED_ONLY) 0/51 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 1 (OVERLAPS) 2/53 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/53 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 3 (OVERLAPS) 54/107 variables, 53/54 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/107 variables, 45/99 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/107 variables, 58/157 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/107 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 58 unsolved
At refinement iteration 7 (OVERLAPS) 0/107 variables, 0/157 constraints. Problems are: Problem set: 0 solved, 58 unsolved
No progress, stopping.
After SMT solving in domain Int declared 107/107 variables, and 157 constraints, problems are : Problem set: 0 solved, 58 unsolved in 835 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 53/53 constraints, ReadFeed: 45/45 constraints, PredecessorRefiner: 58/58 constraints, Known Traps: 0/0 constraints, Known Traps Along Path: 0/0 constraints]
After SMT, in 1624ms problems are : Problem set: 0 solved, 58 unsolved
Search for dead transitions found 0 dead transitions in 1624ms
Starting structural reductions in LTL mode, iteration 1 : 53/74 places, 62/82 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1694 ms. Remains : 53/74 places, 62/82 transitions.
Stuttering acceptance computed with spot in 176 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : SemanticWebServices-PT-S064P15-LTLCardinality-15
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA SemanticWebServices-PT-S064P15-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S064P15-LTLCardinality-15 finished in 1890 ms.
All properties solved by simple procedures.
Total runtime 23913 ms.
BK_STOP 1749228888269
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202505121319.jar
+ VERSION=202505121319
+ echo 'Running Version 202505121319'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
Sequence of Actions to be Executed by the VM
This is useful if one wants to reexecute the tool in the VM from the submitted image disk.
set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SemanticWebServices-PT-S064P15"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5832"
echo " Executing tool itstools"
echo " Input is SemanticWebServices-PT-S064P15, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r184-tall-174889265000867"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S064P15.tgz
mv SemanticWebServices-PT-S064P15 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;