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.r333-tall-171679078800604.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 greatspnxred
Input is SemanticWebServices-PT-S256P18, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r333-tall-171679078800604
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 9.7M
-rw-r--r-- 1 mcc users 8.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K May 19 07:15 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 16:28 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 19 07:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:59 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 02:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 105K Apr 12 02:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K Apr 12 02:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 60K Apr 12 02:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 19 07:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 19 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 8 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 9.2M May 18 16:43 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-00
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-01
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-02
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-03
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-04
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-05
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-06
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-07
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-08
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-09
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-10
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-11
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-12
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-13
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-14
FORMULA_NAME SemanticWebServices-PT-S256P18-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1716879287231

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SemanticWebServices-PT-S256P18
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-28 06:54:48] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-05-28 06:54:48] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-28 06:54:49] [INFO ] Load time of PNML (sax parser for PT used): 615 ms
[2024-05-28 06:54:49] [INFO ] Transformed 198 places.
[2024-05-28 06:54:49] [INFO ] Transformed 9732 transitions.
[2024-05-28 06:54:49] [INFO ] Parsed PT model containing 198 places and 9732 transitions and 78799 arcs in 826 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Deduced a syphon composed of 2 places in 19 ms
Reduce places removed 2 places and 2 transitions.
Ensure Unique test removed 4246 transitions
Reduce redundant transitions removed 4246 transitions.
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 34 out of 196 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 196/196 places, 5484/5484 transitions.
Ensure Unique test removed 49 places
Reduce places removed 51 places and 0 transitions.
Iterating post reduction 0 with 51 rules applied. Total rules applied 51 place count 145 transition count 5484
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 62 place count 134 transition count 5458
Iterating global reduction 1 with 11 rules applied. Total rules applied 73 place count 134 transition count 5458
Ensure Unique test removed 374 transitions
Reduce isomorphic transitions removed 374 transitions.
Iterating post reduction 1 with 374 rules applied. Total rules applied 447 place count 134 transition count 5084
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 453 place count 128 transition count 5078
Iterating global reduction 2 with 6 rules applied. Total rules applied 459 place count 128 transition count 5078
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 462 place count 125 transition count 5075
Iterating global reduction 2 with 3 rules applied. Total rules applied 465 place count 125 transition count 5075
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 466 place count 124 transition count 5074
Iterating global reduction 2 with 1 rules applied. Total rules applied 467 place count 124 transition count 5074
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 468 place count 123 transition count 5073
Iterating global reduction 2 with 1 rules applied. Total rules applied 469 place count 123 transition count 5073
Drop transitions (Redundant composition of simpler transitions.) removed 2304 transitions
Redundant transition composition rules discarded 2304 transitions
Iterating global reduction 2 with 2304 rules applied. Total rules applied 2773 place count 123 transition count 2769
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 2809 place count 122 transition count 2734
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 2811 place count 120 transition count 2718
Iterating global reduction 3 with 2 rules applied. Total rules applied 2813 place count 120 transition count 2718
Ensure Unique test removed 442 transitions
Reduce isomorphic transitions removed 442 transitions.
Iterating post reduction 3 with 442 rules applied. Total rules applied 3255 place count 120 transition count 2276
Applied a total of 3255 rules in 295 ms. Remains 120 /196 variables (removed 76) and now considering 2276/5484 (removed 3208) transitions.
Running 1706 sub problems to find dead transitions.
[2024-05-28 06:54:49] [INFO ] Flow matrix only has 829 transitions (discarded 1447 similar events)
Normalized transition count is 809 out of 829 initially.
// Phase 1: matrix 809 rows 120 cols
[2024-05-28 06:54:49] [INFO ] Computed 1 invariants in 19 ms
[2024-05-28 06:54:50] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 827/946 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
SMT process timed out in 29690ms, After SMT, problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 29745ms
[2024-05-28 06:55:19] [INFO ] Flow matrix only has 829 transitions (discarded 1447 similar events)
[2024-05-28 06:55:19] [INFO ] Invariant cache hit.
[2024-05-28 06:55:19] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-28 06:55:19] [INFO ] Flow matrix only has 829 transitions (discarded 1447 similar events)
[2024-05-28 06:55:19] [INFO ] Invariant cache hit.
[2024-05-28 06:55:19] [INFO ] State equation strengthened by 254 read => feed constraints.
[2024-05-28 06:55:20] [INFO ] Implicit Places using invariants and state equation in 351 ms returned []
Implicit Place search using SMT with State Equation took 418 ms to find 0 implicit places.
Running 1706 sub problems to find dead transitions.
[2024-05-28 06:55:20] [INFO ] Flow matrix only has 829 transitions (discarded 1447 similar events)
[2024-05-28 06:55:20] [INFO ] Invariant cache hit.
[2024-05-28 06:55:20] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 827/946 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 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 Real declared 946/949 variables, and 374 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30035 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/120 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 1706/1706 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1706 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 827/946 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/946 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/946 variables, 96/470 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 946/949 variables, and 470 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30036 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/120 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 96/1706 constraints, Known Traps: 0/0 constraints]
After SMT, in 69969ms problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 69990ms
Starting structural reductions in LTL mode, iteration 1 : 120/196 places, 2276/5484 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 100510 ms. Remains : 120/196 places, 2276/5484 transitions.
Support contains 34 out of 120 places after structural reductions.
[2024-05-28 06:56:30] [INFO ] Flatten gal took : 138 ms
[2024-05-28 06:56:30] [INFO ] Flatten gal took : 158 ms
[2024-05-28 06:56:31] [INFO ] Input system was already deterministic with 2276 transitions.
RANDOM walk for 19252 steps (3 resets) in 1471 ms. (13 steps per ms) remains 0/26 properties
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-02 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))||G(p1)))'
Support contains 8 out of 120 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 120/120 places, 2276/2276 transitions.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 119 transition count 2247
Applied a total of 30 rules in 14 ms. Remains 119 /120 variables (removed 1) and now considering 2247/2276 (removed 29) transitions.
Running 1706 sub problems to find dead transitions.
[2024-05-28 06:56:31] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
Normalized transition count is 780 out of 800 initially.
// Phase 1: matrix 780 rows 119 cols
[2024-05-28 06:56:31] [INFO ] Computed 1 invariants in 7 ms
[2024-05-28 06:56:32] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
SMT process timed out in 29853ms, After SMT, problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 29877ms
[2024-05-28 06:57:01] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:57:01] [INFO ] Invariant cache hit.
[2024-05-28 06:57:01] [INFO ] Implicit Places using invariants in 97 ms returned []
[2024-05-28 06:57:01] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:57:01] [INFO ] Invariant cache hit.
[2024-05-28 06:57:02] [INFO ] State equation strengthened by 254 read => feed constraints.
[2024-05-28 06:57:02] [INFO ] Implicit Places using invariants and state equation in 465 ms returned []
Implicit Place search using SMT with State Equation took 566 ms to find 0 implicit places.
Running 1706 sub problems to find dead transitions.
[2024-05-28 06:57:02] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:57:02] [INFO ] Invariant cache hit.
[2024-05-28 06:57:02] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/918 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 918/919 variables, and 374 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 1706/1706 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1706 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/918 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 918/919 variables, and 2080 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30651 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 1706/1706 constraints, Known Traps: 0/0 constraints]
After SMT, in 70579ms problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 70598ms
Starting structural reductions in LTL mode, iteration 1 : 119/120 places, 2247/2276 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 101074 ms. Remains : 119/120 places, 2247/2276 transitions.
Stuttering acceptance computed with spot in 247 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SemanticWebServices-PT-S256P18-LTLFireability-00
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 2 ms.
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S256P18-LTLFireability-00 finished in 101411 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 10 out of 120 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 120/120 places, 2276/2276 transitions.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 119 transition count 2247
Applied a total of 30 rules in 11 ms. Remains 119 /120 variables (removed 1) and now considering 2247/2276 (removed 29) transitions.
Running 1706 sub problems to find dead transitions.
[2024-05-28 06:58:13] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:58:13] [INFO ] Invariant cache hit.
[2024-05-28 06:58:13] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
SMT process timed out in 29838ms, After SMT, problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 29876ms
[2024-05-28 06:58:43] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:58:43] [INFO ] Invariant cache hit.
[2024-05-28 06:58:43] [INFO ] Implicit Places using invariants in 99 ms returned []
[2024-05-28 06:58:43] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:58:43] [INFO ] Invariant cache hit.
[2024-05-28 06:58:43] [INFO ] State equation strengthened by 254 read => feed constraints.
[2024-05-28 06:58:43] [INFO ] Implicit Places using invariants and state equation in 462 ms returned []
Implicit Place search using SMT with State Equation took 565 ms to find 0 implicit places.
Running 1706 sub problems to find dead transitions.
[2024-05-28 06:58:43] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:58:43] [INFO ] Invariant cache hit.
[2024-05-28 06:58:43] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/918 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 918/919 variables, and 374 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30031 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 1706/1706 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1706 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/918 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 918/919 variables, and 2080 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30449 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 1706/1706 constraints, Known Traps: 0/0 constraints]
After SMT, in 69795ms problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 69810ms
Starting structural reductions in LTL mode, iteration 1 : 119/120 places, 2247/2276 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 100274 ms. Remains : 119/120 places, 2247/2276 transitions.
Stuttering acceptance computed with spot in 109 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : SemanticWebServices-PT-S256P18-LTLFireability-03
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S256P18-LTLFireability-03 finished in 100402 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(p1)||X(p2)||p0)))'
Support contains 8 out of 120 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 120/120 places, 2276/2276 transitions.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 119 transition count 2247
Applied a total of 30 rules in 10 ms. Remains 119 /120 variables (removed 1) and now considering 2247/2276 (removed 29) transitions.
Running 1706 sub problems to find dead transitions.
[2024-05-28 06:59:53] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 06:59:53] [INFO ] Invariant cache hit.
[2024-05-28 06:59:53] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
SMT process timed out in 29571ms, After SMT, problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 29606ms
[2024-05-28 07:00:23] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 07:00:23] [INFO ] Invariant cache hit.
[2024-05-28 07:00:23] [INFO ] Implicit Places using invariants in 102 ms returned []
[2024-05-28 07:00:23] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 07:00:23] [INFO ] Invariant cache hit.
[2024-05-28 07:00:23] [INFO ] State equation strengthened by 254 read => feed constraints.
[2024-05-28 07:00:23] [INFO ] Implicit Places using invariants and state equation in 449 ms returned []
Implicit Place search using SMT with State Equation took 552 ms to find 0 implicit places.
Running 1706 sub problems to find dead transitions.
[2024-05-28 07:00:23] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 07:00:23] [INFO ] Invariant cache hit.
[2024-05-28 07:00:23] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/918 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 918/919 variables, and 374 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30040 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 1706/1706 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1706 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/918 variables, 254/374 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 918/919 variables, and 2080 constraints, problems are : Problem set: 0 solved, 1706 unsolved in 30619 ms.
Refiners :[Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 254/254 constraints, PredecessorRefiner: 1706/1706 constraints, Known Traps: 0/0 constraints]
After SMT, in 70019ms problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 70038ms
Starting structural reductions in LTL mode, iteration 1 : 119/120 places, 2247/2276 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 100217 ms. Remains : 119/120 places, 2247/2276 transitions.
Stuttering acceptance computed with spot in 143 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p1)]
Running random walk in product with property : SemanticWebServices-PT-S256P18-LTLFireability-04
Stuttering criterion allowed to conclude after 28 steps with 0 reset in 4 ms.
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S256P18-LTLFireability-04 finished in 100381 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)&&F(G(p1)))))'
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 2276/2276 transitions.
Graph (complete) has 867 edges and 120 vertex of which 114 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.15 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 112 transition count 2271
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 112 transition count 2271
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 5 place count 110 transition count 2269
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 110 transition count 2269
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 10 place count 107 transition count 2266
Iterating global reduction 0 with 3 rules applied. Total rules applied 13 place count 107 transition count 2266
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 17 place count 103 transition count 2262
Iterating global reduction 0 with 4 rules applied. Total rules applied 21 place count 103 transition count 2262
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 25 place count 99 transition count 2258
Iterating global reduction 0 with 4 rules applied. Total rules applied 29 place count 99 transition count 2258
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 33 place count 95 transition count 2254
Iterating global reduction 0 with 4 rules applied. Total rules applied 37 place count 95 transition count 2254
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 39 place count 93 transition count 2252
Iterating global reduction 0 with 2 rules applied. Total rules applied 41 place count 93 transition count 2252
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 43 place count 91 transition count 2250
Iterating global reduction 0 with 2 rules applied. Total rules applied 45 place count 91 transition count 2250
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 47 place count 91 transition count 2248
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 49 place count 91 transition count 2246
Reduce places removed 1 places and 0 transitions.
Graph (complete) has 807 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Iterating post reduction 1 with 2 rules applied. Total rules applied 51 place count 89 transition count 2245
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 88 transition count 2244
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 88 transition count 2244
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 55 place count 86 transition count 2242
Iterating global reduction 2 with 2 rules applied. Total rules applied 57 place count 86 transition count 2242
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 59 place count 84 transition count 2240
Iterating global reduction 2 with 2 rules applied. Total rules applied 61 place count 84 transition count 2240
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 84 transition count 2239
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 63 place count 83 transition count 2239
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 2238
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 2238
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 67 place count 80 transition count 2236
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 80 transition count 2236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 73 place count 76 transition count 2232
Iterating global reduction 3 with 4 rules applied. Total rules applied 77 place count 76 transition count 2232
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 82 place count 71 transition count 2227
Iterating global reduction 3 with 5 rules applied. Total rules applied 87 place count 71 transition count 2227
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 93 place count 65 transition count 2221
Iterating global reduction 3 with 6 rules applied. Total rules applied 99 place count 65 transition count 2221
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 105 place count 59 transition count 2215
Iterating global reduction 3 with 6 rules applied. Total rules applied 111 place count 59 transition count 2215
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 117 place count 59 transition count 2209
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 118 place count 59 transition count 2208
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 119 place count 58 transition count 2208
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 120 place count 58 transition count 2207
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 121 place count 57 transition count 2207
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 122 place count 57 transition count 2206
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 123 place count 56 transition count 2206
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 124 place count 56 transition count 2205
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 125 place count 55 transition count 2205
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 126 place count 54 transition count 2204
Iterating global reduction 8 with 1 rules applied. Total rules applied 127 place count 54 transition count 2204
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 128 place count 53 transition count 2203
Iterating global reduction 8 with 1 rules applied. Total rules applied 129 place count 53 transition count 2203
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 130 place count 53 transition count 2202
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 131 place count 53 transition count 2201
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 132 place count 52 transition count 2201
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 133 place count 52 transition count 2200
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 134 place count 51 transition count 2200
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 135 place count 51 transition count 2199
Applied a total of 135 rules in 2103 ms. Remains 51 /120 variables (removed 69) and now considering 2199/2276 (removed 77) transitions.
Running 1628 sub problems to find dead transitions.
[2024-05-28 07:01:36] [INFO ] Flow matrix only has 761 transitions (discarded 1438 similar events)
Normalized transition count is 741 out of 761 initially.
// Phase 1: matrix 741 rows 51 cols
[2024-05-28 07:01:36] [INFO ] Computed 0 invariants in 4 ms
[2024-05-28 07:01:36] [INFO ] State equation strengthened by 190 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 1 (OVERLAPS) 757/805 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/805 variables, 190/238 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 805/812 variables, and 238 constraints, problems are : Problem set: 0 solved, 1628 unsolved in 20038 ms.
Refiners :[State Equation: 48/51 constraints, ReadFeed: 190/190 constraints, PredecessorRefiner: 1628/1628 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1628 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 1 (OVERLAPS) 757/805 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/805 variables, 190/238 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/805 variables, 17/255 constraints. Problems are: Problem set: 0 solved, 1628 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 805/812 variables, and 255 constraints, problems are : Problem set: 0 solved, 1628 unsolved in 20036 ms.
Refiners :[State Equation: 48/51 constraints, ReadFeed: 190/190 constraints, PredecessorRefiner: 17/1628 constraints, Known Traps: 0/0 constraints]
After SMT, in 49813ms problems are : Problem set: 0 solved, 1628 unsolved
Search for dead transitions found 0 dead transitions in 49832ms
[2024-05-28 07:02:25] [INFO ] Flow matrix only has 761 transitions (discarded 1438 similar events)
[2024-05-28 07:02:25] [INFO ] Invariant cache hit.
[2024-05-28 07:02:26] [INFO ] Implicit Places using invariants in 109 ms returned []
[2024-05-28 07:02:26] [INFO ] Flow matrix only has 761 transitions (discarded 1438 similar events)
[2024-05-28 07:02:26] [INFO ] Invariant cache hit.
[2024-05-28 07:02:26] [INFO ] State equation strengthened by 190 read => feed constraints.
[2024-05-28 07:02:26] [INFO ] Implicit Places using invariants and state equation in 479 ms returned []
Implicit Place search using SMT with State Equation took 612 ms to find 0 implicit places.
[2024-05-28 07:02:31] [INFO ] Redundant transitions in 4396 ms returned [10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 279, 280, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 311, 313, 314, 315, 316, 317, 318, 319, 320, 321, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 443, 444, 445, 446, 447, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 568, 569, 570, 612, 624, 625, 628, 638, 639, 640, 650, 653, 662, 663, 666, 675, 677, 678, 688, 695, 696, 697, 698, 700, 701, 702, 708, 729, 735, 736, 737, 738, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 1038, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1069, 1070, 1072, 1079, 1080, 1081, 1082, 1083, 1084, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1140, 1141, 1142, 1143, 1144, 1145, 1161, 1162, 1163, 1164, 1165, 1166, 1173, 1176, 1184, 1185, 1186, 1187, 1188, 1200, 1211, 1212, 1213, 1214, 1215, 1216, 1217, 1218, 1219, 1220, 1231, 1233, 1235, 1238, 1242, 1257, 1262, 1263, 1264, 1265, 1266, 1267, 1268, 1269, 1270, 1271, 1277, 1278, 1280, 1281, 1283, 1285, 1287, 1289, 1291, 1294, 1307, 1309, 1311, 1314, 1318, 1322, 1323, 1324, 1325, 1326, 1328, 1329, 1330, 1332, 1333, 1334, 1336, 1337, 1339, 1341, 1348, 1349, 1351, 1352, 1354, 1356, 1358, 1360, 1362, 1365, 1368, 1369, 1370, 1371, 1372, 1374, 1376, 1377, 1378, 1380, 1381, 1382, 1384, 1385, 1387, 1389, 1391, 1392, 1393, 1394, 1395, 1397, 1398]
Found 734 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 734 transitions
Redundant transitions reduction (with SMT) removed 734 transitions.
Running 1420 sub problems to find dead transitions.
[2024-05-28 07:02:31] [INFO ] Flow matrix only has 209 transitions (discarded 1256 similar events)
// Phase 1: matrix 209 rows 51 cols
[2024-05-28 07:02:31] [INFO ] Computed 0 invariants in 1 ms
[2024-05-28 07:02:31] [INFO ] State equation strengthened by 164 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 1 (OVERLAPS) 202/247 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/247 variables, 164/209 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/247 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 4 (OVERLAPS) 10/257 variables, 5/214 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/257 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 257/260 variables, and 214 constraints, problems are : Problem set: 0 solved, 1420 unsolved in 30034 ms.
Refiners :[State Equation: 50/51 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 1420/1420 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1420 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 1 (OVERLAPS) 202/247 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/247 variables, 164/209 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/247 variables, 135/344 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/247 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 5 (OVERLAPS) 10/257 variables, 5/349 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 257/260 variables, and 1633 constraints, problems are : Problem set: 0 solved, 1420 unsolved in 30135 ms.
Refiners :[State Equation: 50/51 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 1419/1420 constraints, Known Traps: 0/0 constraints]
After SMT, in 67983ms problems are : Problem set: 0 solved, 1420 unsolved
Search for dead transitions found 0 dead transitions in 68173ms
Starting structural reductions in SI_LTL mode, iteration 1 : 51/120 places, 1465/2276 transitions.
Graph (complete) has 585 edges and 51 vertex of which 48 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.3 ms
Discarding 3 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 48 transition count 1462
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 7 place count 45 transition count 1386
Iterating global reduction 1 with 3 rules applied. Total rules applied 10 place count 45 transition count 1386
Ensure Unique test removed 203 transitions
Reduce isomorphic transitions removed 203 transitions.
Iterating post reduction 1 with 203 rules applied. Total rules applied 213 place count 45 transition count 1183
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 214 place count 44 transition count 1131
Iterating global reduction 2 with 1 rules applied. Total rules applied 215 place count 44 transition count 1131
Ensure Unique test removed 101 transitions
Reduce isomorphic transitions removed 101 transitions.
Iterating post reduction 2 with 101 rules applied. Total rules applied 316 place count 44 transition count 1030
Applied a total of 316 rules in 75 ms. Remains 44 /51 variables (removed 7) and now considering 1030/1465 (removed 435) transitions.
[2024-05-28 07:03:39] [INFO ] Flow matrix only has 185 transitions (discarded 845 similar events)
// Phase 1: matrix 185 rows 44 cols
[2024-05-28 07:03:39] [INFO ] Computed 0 invariants in 1 ms
[2024-05-28 07:03:39] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-28 07:03:39] [INFO ] Flow matrix only has 185 transitions (discarded 845 similar events)
[2024-05-28 07:03:39] [INFO ] Invariant cache hit.
[2024-05-28 07:03:39] [INFO ] State equation strengthened by 147 read => feed constraints.
[2024-05-28 07:03:39] [INFO ] Implicit Places using invariants and state equation in 185 ms returned []
Implicit Place search using SMT with State Equation took 280 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 44/120 places, 1030/2276 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 125506 ms. Remains : 44/120 places, 1030/2276 transitions.
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SemanticWebServices-PT-S256P18-LTLFireability-05
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S256P18-LTLFireability-05 finished in 125669 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)&&F(p1))))'
Support contains 7 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 2276/2276 transitions.
Graph (complete) has 867 edges and 120 vertex of which 114 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.2 ms
Discarding 6 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 112 transition count 2271
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 112 transition count 2271
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 5 place count 110 transition count 2269
Iterating global reduction 0 with 2 rules applied. Total rules applied 7 place count 110 transition count 2269
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 10 place count 107 transition count 2266
Iterating global reduction 0 with 3 rules applied. Total rules applied 13 place count 107 transition count 2266
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 17 place count 103 transition count 2262
Iterating global reduction 0 with 4 rules applied. Total rules applied 21 place count 103 transition count 2262
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 25 place count 99 transition count 2258
Iterating global reduction 0 with 4 rules applied. Total rules applied 29 place count 99 transition count 2258
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 33 place count 95 transition count 2254
Iterating global reduction 0 with 4 rules applied. Total rules applied 37 place count 95 transition count 2254
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 39 place count 93 transition count 2252
Iterating global reduction 0 with 2 rules applied. Total rules applied 41 place count 93 transition count 2252
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 43 place count 91 transition count 2250
Iterating global reduction 0 with 2 rules applied. Total rules applied 45 place count 91 transition count 2250
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 47 place count 91 transition count 2248
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 1 with 2 rules applied. Total rules applied 49 place count 91 transition count 2246
Reduce places removed 1 places and 0 transitions.
Graph (complete) has 807 edges and 90 vertex of which 89 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Iterating post reduction 1 with 2 rules applied. Total rules applied 51 place count 89 transition count 2245
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 88 transition count 2244
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 88 transition count 2244
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 55 place count 86 transition count 2242
Iterating global reduction 2 with 2 rules applied. Total rules applied 57 place count 86 transition count 2242
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 59 place count 84 transition count 2240
Iterating global reduction 2 with 2 rules applied. Total rules applied 61 place count 84 transition count 2240
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 62 place count 84 transition count 2239
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 63 place count 83 transition count 2239
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 2238
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 2238
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 67 place count 80 transition count 2236
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 80 transition count 2236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 73 place count 76 transition count 2232
Iterating global reduction 3 with 4 rules applied. Total rules applied 77 place count 76 transition count 2232
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 82 place count 71 transition count 2227
Iterating global reduction 3 with 5 rules applied. Total rules applied 87 place count 71 transition count 2227
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 93 place count 65 transition count 2221
Iterating global reduction 3 with 6 rules applied. Total rules applied 99 place count 65 transition count 2221
Discarding 6 places :
Symmetric choice reduction at 3 with 6 rule applications. Total rules 105 place count 59 transition count 2215
Iterating global reduction 3 with 6 rules applied. Total rules applied 111 place count 59 transition count 2215
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 117 place count 59 transition count 2209
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 118 place count 59 transition count 2208
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 119 place count 58 transition count 2208
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 120 place count 58 transition count 2207
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 121 place count 57 transition count 2207
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 122 place count 57 transition count 2206
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 123 place count 56 transition count 2206
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 124 place count 56 transition count 2205
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 125 place count 55 transition count 2205
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 126 place count 54 transition count 2204
Iterating global reduction 8 with 1 rules applied. Total rules applied 127 place count 54 transition count 2204
Discarding 1 places :
Symmetric choice reduction at 8 with 1 rule applications. Total rules 128 place count 53 transition count 2203
Iterating global reduction 8 with 1 rules applied. Total rules applied 129 place count 53 transition count 2203
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 130 place count 53 transition count 2202
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 131 place count 53 transition count 2201
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 132 place count 52 transition count 2201
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 133 place count 52 transition count 2200
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 134 place count 51 transition count 2200
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 135 place count 51 transition count 2199
Applied a total of 135 rules in 1707 ms. Remains 51 /120 variables (removed 69) and now considering 2199/2276 (removed 77) transitions.
Running 1628 sub problems to find dead transitions.
[2024-05-28 07:03:41] [INFO ] Flow matrix only has 761 transitions (discarded 1438 similar events)
Normalized transition count is 741 out of 761 initially.
// Phase 1: matrix 741 rows 51 cols
[2024-05-28 07:03:41] [INFO ] Computed 0 invariants in 5 ms
[2024-05-28 07:03:41] [INFO ] State equation strengthened by 190 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 1 (OVERLAPS) 757/805 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/805 variables, 190/238 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/805 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
SMT process timed out in 30216ms, After SMT, problems are : Problem set: 0 solved, 1628 unsolved
Search for dead transitions found 0 dead transitions in 30231ms
[2024-05-28 07:04:11] [INFO ] Flow matrix only has 761 transitions (discarded 1438 similar events)
[2024-05-28 07:04:11] [INFO ] Invariant cache hit.
[2024-05-28 07:04:11] [INFO ] Implicit Places using invariants in 82 ms returned []
[2024-05-28 07:04:11] [INFO ] Flow matrix only has 761 transitions (discarded 1438 similar events)
[2024-05-28 07:04:11] [INFO ] Invariant cache hit.
[2024-05-28 07:04:11] [INFO ] State equation strengthened by 190 read => feed constraints.
[2024-05-28 07:04:12] [INFO ] Implicit Places using invariants and state equation in 427 ms returned []
Implicit Place search using SMT with State Equation took 512 ms to find 0 implicit places.
[2024-05-28 07:04:15] [INFO ] Redundant transitions in 3586 ms returned [10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 279, 280, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 311, 313, 314, 315, 316, 317, 318, 319, 320, 321, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 443, 444, 445, 446, 447, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 486, 487, 488, 489, 490, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 521, 522, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 536, 537, 538, 539, 540, 541, 542, 543, 544, 545, 546, 547, 548, 549, 552, 553, 554, 555, 556, 557, 558, 559, 560, 561, 562, 563, 564, 568, 569, 570, 612, 624, 625, 628, 638, 639, 640, 650, 653, 662, 663, 666, 675, 677, 678, 688, 695, 696, 697, 698, 700, 701, 702, 708, 729, 735, 736, 737, 738, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 1038, 1040, 1041, 1042, 1043, 1044, 1045, 1046, 1047, 1048, 1049, 1050, 1051, 1052, 1053, 1054, 1055, 1056, 1057, 1058, 1059, 1060, 1061, 1062, 1063, 1064, 1065, 1066, 1067, 1068, 1069, 1070, 1072, 1079, 1080, 1081, 1082, 1083, 1084, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1133, 1134, 1135, 1136, 1137, 1138, 1139, 1140, 1141, 1142, 1143, 1144, 1145, 1161, 1162, 1163, 1164, 1165, 1166, 1173, 1176, 1184, 1185, 1186, 1187, 1188, 1200, 1211, 1212, 1213, 1214, 1215, 1216, 1217, 1218, 1219, 1220, 1231, 1233, 1235, 1238, 1242, 1257, 1262, 1263, 1264, 1265, 1266, 1267, 1268, 1269, 1270, 1271, 1277, 1278, 1280, 1281, 1283, 1285, 1287, 1289, 1291, 1294, 1307, 1309, 1311, 1314, 1318, 1322, 1323, 1324, 1325, 1326, 1328, 1329, 1330, 1332, 1333, 1334, 1336, 1337, 1339, 1341, 1348, 1349, 1351, 1352, 1354, 1356, 1358, 1360, 1362, 1365, 1368, 1369, 1370, 1371, 1372, 1374, 1376, 1377, 1378, 1380, 1381, 1382, 1384, 1385, 1387, 1389, 1391, 1392, 1393, 1394, 1395, 1397, 1398]
Found 734 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 734 transitions
Redundant transitions reduction (with SMT) removed 734 transitions.
Running 1420 sub problems to find dead transitions.
[2024-05-28 07:04:15] [INFO ] Flow matrix only has 209 transitions (discarded 1256 similar events)
// Phase 1: matrix 209 rows 51 cols
[2024-05-28 07:04:15] [INFO ] Computed 0 invariants in 3 ms
[2024-05-28 07:04:15] [INFO ] State equation strengthened by 164 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 1 (OVERLAPS) 202/247 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/247 variables, 164/209 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/247 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 4 (OVERLAPS) 10/257 variables, 5/214 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/257 variables, 0/214 constraints. Problems are: Problem set: 0 solved, 1420 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 Real declared 257/260 variables, and 214 constraints, problems are : Problem set: 0 solved, 1420 unsolved in 30034 ms.
Refiners :[State Equation: 50/51 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 1420/1420 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1420 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 1 (OVERLAPS) 202/247 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/247 variables, 164/209 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/247 variables, 135/344 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/247 variables, 0/344 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 5 (OVERLAPS) 10/257 variables, 5/349 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/257 variables, 1284/1633 constraints. Problems are: Problem set: 0 solved, 1420 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 257/260 variables, and 1633 constraints, problems are : Problem set: 0 solved, 1420 unsolved in 30040 ms.
Refiners :[State Equation: 50/51 constraints, ReadFeed: 164/164 constraints, PredecessorRefiner: 1419/1420 constraints, Known Traps: 0/0 constraints]
After SMT, in 66600ms problems are : Problem set: 0 solved, 1420 unsolved
Search for dead transitions found 0 dead transitions in 66612ms
Starting structural reductions in SI_LTL mode, iteration 1 : 51/120 places, 1465/2276 transitions.
Graph (complete) has 585 edges and 51 vertex of which 48 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 48 transition count 1462
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 5 place count 47 transition count 1458
Iterating global reduction 1 with 1 rules applied. Total rules applied 6 place count 47 transition count 1458
Ensure Unique test removed 101 transitions
Reduce isomorphic transitions removed 101 transitions.
Iterating post reduction 1 with 101 rules applied. Total rules applied 107 place count 47 transition count 1357
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 108 place count 46 transition count 1305
Iterating global reduction 2 with 1 rules applied. Total rules applied 109 place count 46 transition count 1305
Ensure Unique test removed 101 transitions
Reduce isomorphic transitions removed 101 transitions.
Iterating post reduction 2 with 101 rules applied. Total rules applied 210 place count 46 transition count 1204
Applied a total of 210 rules in 94 ms. Remains 46 /51 variables (removed 5) and now considering 1204/1465 (removed 261) transitions.
[2024-05-28 07:05:22] [INFO ] Flow matrix only has 192 transitions (discarded 1012 similar events)
// Phase 1: matrix 192 rows 46 cols
[2024-05-28 07:05:22] [INFO ] Computed 0 invariants in 1 ms
[2024-05-28 07:05:22] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-28 07:05:22] [INFO ] Flow matrix only has 192 transitions (discarded 1012 similar events)
[2024-05-28 07:05:22] [INFO ] Invariant cache hit.
[2024-05-28 07:05:22] [INFO ] State equation strengthened by 152 read => feed constraints.
[2024-05-28 07:05:22] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 269 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 46/120 places, 1204/2276 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 103031 ms. Remains : 46/120 places, 1204/2276 transitions.
Stuttering acceptance computed with spot in 133 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : SemanticWebServices-PT-S256P18-LTLFireability-06
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S256P18-LTLFireability-06 finished in 103181 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(p1)&&p0)))'
Support contains 6 out of 120 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 120/120 places, 2276/2276 transitions.
Graph (complete) has 867 edges and 120 vertex of which 113 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.2 ms
Discarding 7 places :
Also discarding 3 output transitions
Drop transitions (Output transitions of discarded places.) removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 29 rules applied. Total rules applied 30 place count 112 transition count 2243
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 111 transition count 2242
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 111 transition count 2242
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 34 place count 109 transition count 2240
Iterating global reduction 1 with 2 rules applied. Total rules applied 36 place count 109 transition count 2240
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 39 place count 106 transition count 2237
Iterating global reduction 1 with 3 rules applied. Total rules applied 42 place count 106 transition count 2237
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 46 place count 102 transition count 2233
Iterating global reduction 1 with 4 rules applied. Total rules applied 50 place count 102 transition count 2233
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 54 place count 98 transition count 2229
Iterating global reduction 1 with 4 rules applied. Total rules applied 58 place count 98 transition count 2229
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 62 place count 94 transition count 2225
Iterating global reduction 1 with 4 rules applied. Total rules applied 66 place count 94 transition count 2225
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 68 place count 92 transition count 2223
Iterating global reduction 1 with 2 rules applied. Total rules applied 70 place count 92 transition count 2223
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 72 place count 90 transition count 2221
Iterating global reduction 1 with 2 rules applied. Total rules applied 74 place count 90 transition count 2221
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 76 place count 90 transition count 2219
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 2 with 2 rules applied. Total rules applied 78 place count 90 transition count 2217
Reduce places removed 1 places and 0 transitions.
Graph (complete) has 800 edges and 89 vertex of which 88 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions (Output transitions of discarded places.) removed 1 transitions
Iterating post reduction 2 with 2 rules applied. Total rules applied 80 place count 88 transition count 2216
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 81 place count 87 transition count 2215
Iterating global reduction 3 with 1 rules applied. Total rules applied 82 place count 87 transition count 2215
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 84 place count 85 transition count 2213
Iterating global reduction 3 with 2 rules applied. Total rules applied 86 place count 85 transition count 2213
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 88 place count 83 transition count 2211
Iterating global reduction 3 with 2 rules applied. Total rules applied 90 place count 83 transition count 2211
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 91 place count 83 transition count 2210
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 92 place count 82 transition count 2210
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 93 place count 81 transition count 2209
Iterating global reduction 4 with 1 rules applied. Total rules applied 94 place count 81 transition count 2209
Discarding 2 places :
Symmetric choice reduction at 4 with 2 rule applications. Total rules 96 place count 79 transition count 2207
Iterating global reduction 4 with 2 rules applied. Total rules applied 98 place count 79 transition count 2207
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 102 place count 75 transition count 2203
Iterating global reduction 4 with 4 rules applied. Total rules applied 106 place count 75 transition count 2203
Discarding 5 places :
Symmetric choice reduction at 4 with 5 rule applications. Total rules 111 place count 70 transition count 2198
Iterating global reduction 4 with 5 rules applied. Total rules applied 116 place count 70 transition count 2198
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 122 place count 64 transition count 2192
Iterating global reduction 4 with 6 rules applied. Total rules applied 128 place count 64 transition count 2192
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 134 place count 58 transition count 2186
Iterating global reduction 4 with 6 rules applied. Total rules applied 140 place count 58 transition count 2186
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 146 place count 58 transition count 2180
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 147 place count 58 transition count 2179
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 148 place count 57 transition count 2179
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 149 place count 57 transition count 2178
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 6 with 1 rules applied. Total rules applied 150 place count 56 transition count 2178
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 7 with 1 rules applied. Total rules applied 151 place count 56 transition count 2177
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 152 place count 55 transition count 2177
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 8 with 1 rules applied. Total rules applied 153 place count 55 transition count 2176
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 154 place count 54 transition count 2176
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 155 place count 53 transition count 2175
Iterating global reduction 9 with 1 rules applied. Total rules applied 156 place count 53 transition count 2175
Discarding 1 places :
Symmetric choice reduction at 9 with 1 rule applications. Total rules 157 place count 52 transition count 2174
Iterating global reduction 9 with 1 rules applied. Total rules applied 158 place count 52 transition count 2174
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 9 with 1 rules applied. Total rules applied 159 place count 52 transition count 2173
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 10 with 1 rules applied. Total rules applied 160 place count 52 transition count 2172
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 10 with 1 rules applied. Total rules applied 161 place count 51 transition count 2172
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 11 with 1 rules applied. Total rules applied 162 place count 51 transition count 2171
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 11 with 1 rules applied. Total rules applied 163 place count 50 transition count 2171
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 12 with 1 rules applied. Total rules applied 164 place count 50 transition count 2170
Applied a total of 164 rules in 1676 ms. Remains 50 /120 variables (removed 70) and now considering 2170/2276 (removed 106) transitions.
Running 1628 sub problems to find dead transitions.
[2024-05-28 07:05:24] [INFO ] Flow matrix only has 732 transitions (discarded 1438 similar events)
Normalized transition count is 712 out of 732 initially.
// Phase 1: matrix 712 rows 50 cols
[2024-05-28 07:05:24] [INFO ] Computed 0 invariants in 6 ms
[2024-05-28 07:05:24] [INFO ] State equation strengthened by 190 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/48 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 1 (OVERLAPS) 729/777 variables, 48/48 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/777 variables, 190/238 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/777 variables, 0/238 constraints. Problems are: Problem set: 0 solved, 1628 unsolved
SMT process timed out in 30479ms, After SMT, problems are : Problem set: 0 solved, 1628 unsolved
Search for dead transitions found 0 dead transitions in 30495ms
[2024-05-28 07:05:55] [INFO ] Flow matrix only has 732 transitions (discarded 1438 similar events)
[2024-05-28 07:05:55] [INFO ] Invariant cache hit.
[2024-05-28 07:05:55] [INFO ] Implicit Places using invariants in 116 ms returned []
[2024-05-28 07:05:55] [INFO ] Flow matrix only has 732 transitions (discarded 1438 similar events)
[2024-05-28 07:05:55] [INFO ] Invariant cache hit.
[2024-05-28 07:05:55] [INFO ] State equation strengthened by 190 read => feed constraints.
[2024-05-28 07:05:55] [INFO ] Implicit Places using invariants and state equation in 429 ms returned []
Implicit Place search using SMT with State Equation took 556 ms to find 0 implicit places.
[2024-05-28 07:05:59] [INFO ] Redundant transitions in 3749 ms returned [4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 109, 110, 111, 112, 113, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 157, 158, 159, 160, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 174, 175, 176, 177, 178, 179, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 199, 200, 201, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 267, 268, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 298, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 344, 345, 346, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 420, 421, 422, 423, 424, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 471, 473, 474, 475, 476, 477, 478, 479, 480, 481, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, 510, 511, 512, 513, 514, 515, 516, 517, 518, 519, 520, 523, 524, 525, 526, 527, 528, 529, 530, 531, 532, 533, 534, 535, 539, 540, 541, 583, 595, 596, 599, 609, 610, 611, 621, 624, 633, 634, 637, 646, 648, 649, 659, 666, 667, 668, 669, 671, 672, 673, 679, 700, 706, 707, 708, 709, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 721, 1009, 1011, 1012, 1013, 1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, 1024, 1025, 1026, 1027, 1028, 1029, 1030, 1031, 1032, 1033, 1034, 1035, 1036, 1037, 1038, 1039, 1040, 1041, 1043, 1050, 1051, 1052, 1053, 1054, 1055, 1071, 1072, 1073, 1074, 1075, 1076, 1077, 1078, 1079, 1080, 1081, 1082, 1083, 1104, 1105, 1106, 1107, 1108, 1109, 1110, 1111, 1112, 1113, 1114, 1115, 1116, 1132, 1133, 1134, 1135, 1136, 1137, 1144, 1147, 1155, 1156, 1157, 1158, 1159, 1171, 1182, 1183, 1184, 1185, 1186, 1187, 1188, 1189, 1190, 1191, 1202, 1204, 1206, 1209, 1213, 1228, 1233, 1234, 1235, 1236, 1237, 1238, 1239, 1240, 1241, 1242, 1248, 1249, 1251, 1252, 1254, 1256, 1258, 1260, 1262, 1265, 1278, 1280, 1282, 1285, 1289, 1293, 1294, 1295, 1296, 1297, 1299, 1300, 1301, 1303, 1304, 1305, 1307, 1308, 1310, 1312, 1319, 1320, 1322, 1323, 1325, 1327, 1329, 1331, 1333, 1336, 1339, 1340, 1341, 1342, 1343, 1345, 1347, 1348, 1349, 1351, 1352, 1353, 1355, 1356, 1358, 1360, 1362, 1363, 1364, 1365, 1366, 1368, 1369, 1375, 1376, 1377, 1384, 1385, 1386, 1387, 1388, 1389, 1390, 1391, 1392, 1393, 1394, 1395, 1396, 1397, 1398, 1404, 1405, 1406, 1413, 1414, 1415, 1418, 1419, 1420, 1421, 1422, 1423, 1424, 1425, 1426, 1427, 1428, 1429, 1430, 1431, 1432, 1433, 1434, 1435, 1436, 1437, 1438, 1439, 1440, 1441, 1442, 1451, 1452, 1453, 1454, 1455, 1456, 1457, 1458, 1459, 1460, 1461, 1462, 1463, 1464, 1465, 1466, 1467, 1468, 1481, 1482, 1483, 1484, 1485, 1486, 1487, 1488, 1489, 1490, 1491, 1492, 1493, 1494, 1495, 1496, 1497, 1498, 1499, 1500, 1501, 1508, 1509, 1510, 1511, 1512, 1513, 1514, 1515, 1516, 1517, 1518, 1519, 1520, 1521, 1522, 1523, 1524, 1525, 1526, 1527, 1528, 1529, 1535, 1536, 1537, 1538, 1539, 1540, 1541, 1542, 1543, 1544, 1545, 1546, 1547, 1548, 1549, 1550, 1551, 1552, 1553, 1554, 1555, 1556, 1557, 1558, 1559, 1560, 1561, 1562, 1563, 1564, 1565, 1566, 1567, 1568, 1569, 1570, 1571, 1572, 1573, 1574, 1584, 1585, 1586, 1587, 1588, 1589, 1590, 1591, 1592, 1593, 1594, 1595, 1596, 1597, 1598, 1599, 1600, 1601, 1602, 1603, 1604, 1605, 1606, 1607, 1608, 1609, 1610, 1611, 1612, 1613, 1614, 1615, 1616, 1617, 1618, 1619, 1620, 1621, 1622, 1623, 1624, 1625, 1626, 1627, 1628, 1629, 1630, 1631, 1632, 1633, 1634, 1635, 1636, 1637, 1638, 1652, 1653, 1654, 1655, 1656, 1657, 1658, 1659, 1660, 1661, 1662, 1663, 1664, 1665, 1666, 1667, 1668, 1669, 1670, 1671, 1672, 1673, 1674, 1675, 1676, 1677, 1678, 1679, 1681, 1682, 1683, 1684, 1685, 1686, 1687, 1688, 1689, 1690, 1691, 1692, 1693, 1694, 1695, 1696, 1697, 1698, 1699, 1700, 1701, 1702, 1703, 1704, 1705, 1706, 1707, 1708, 1709, 1710, 1711, 1712, 1713, 1714, 1715, 1716, 1717, 1718, 1719, 1720, 1721, 1722, 1723, 1724, 1727, 1728, 1729, 1730, 1731, 1732, 1733, 1734, 1735, 1736, 1737, 1738, 1739, 1740, 1741, 1742, 1743, 1744, 1745, 1746, 1747, 1748, 1749, 1750, 1751, 1752, 1753, 1754, 1755, 1756, 1757, 1758, 1759, 1760, 1761, 1762, 1763, 1764, 1765, 1766, 1767, 1768, 1769, 1770, 1771, 1772, 1773, 1774, 1775, 1776, 1777, 1778, 1779, 1780, 1781, 1782, 1783, 1784, 1785, 1786, 1787, 1788, 1789, 1790, 1791, 1792, 1793, 1794, 1795, 1809, 1810, 1811, 1812, 1813, 1814, 1815, 1816, 1817, 1818, 1819, 1820, 1821, 1822, 1823, 1824, 1825, 1826, 1827, 1828, 1829, 1830, 1831, 1832, 1833, 1834, 1835, 1836, 1837, 1838, 1839, 1840, 1841, 1842, 1843, 1844, 1845, 1846, 1847, 1848, 1849, 1850, 1851, 1852, 1853, 1854, 1855, 1856, 1857, 1858, 1859, 1860, 1861, 1862, 1863, 1864, 1865, 1866, 1867, 1868, 1869, 1870, 1871, 1872, 1873, 1874, 1875, 1876, 1877, 1878, 1879, 1880, 1881, 1882, 1883, 1884, 1885, 1886, 1887, 1888, 1889, 1890, 1891, 1892, 1893, 1894, 1895, 1896, 1897, 1898, 1899, 1900, 1901, 1902, 1903, 1904, 1905, 1906, 1907, 1908, 1909, 1910, 1911, 1912, 1913, 1914, 1915, 1916, 1917, 1918, 1919, 1920, 1921, 1922, 1923, 1924, 1925, 1926, 1927, 1928, 1929, 1930, 1931, 1932, 1933, 1934, 1935, 1936, 1937, 1938, 1945, 1946, 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975, 1976, 1977, 1978, 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026, 2027, 2028, 2029, 2030, 2031, 2032, 2033, 2034, 2035, 2036, 2037, 2038, 2039, 2040, 2041, 2042, 2043, 2044, 2045, 2046, 2047, 2048, 2049, 2050, 2051, 2053, 2054, 2055, 2056, 2057, 2058, 2059, 2060, 2061, 2062, 2063, 2064, 2065, 2066, 2067, 2068, 2069, 2070, 2071, 2072, 2073, 2074, 2075, 2076, 2077, 2078, 2079, 2080, 2081, 2082, 2083, 2084, 2085, 2086, 2087, 2088, 2089, 2090, 2091, 2092, 2093, 2094, 2095, 2096, 2097, 2098, 2099, 2100, 2101, 2102, 2103, 2104, 2105, 2106, 2107, 2108, 2109, 2110, 2111, 2112, 2113, 2114, 2115, 2116, 2117, 2118, 2119, 2120, 2121, 2122, 2123, 2124, 2125, 2126, 2127, 2128, 2129, 2130, 2131, 2132, 2133, 2134, 2135, 2136, 2137, 2138, 2139, 2140, 2141, 2142, 2143, 2144, 2145, 2146, 2147, 2148, 2149, 2150, 2151, 2152, 2153, 2154, 2155, 2156, 2157, 2158, 2159, 2160, 2161, 2162, 2163, 2164, 2165, 2166, 2167, 2168, 2169]
Found 1406 redundant transitions using SMT.
Drop transitions (Redundant Transitions using SMT with State Equation) removed 1406 transitions
Redundant transitions reduction (with SMT) removed 1406 transitions.
Running 720 sub problems to find dead transitions.
[2024-05-28 07:05:59] [INFO ] Flow matrix only has 173 transitions (discarded 591 similar events)
// Phase 1: matrix 173 rows 50 cols
[2024-05-28 07:05:59] [INFO ] Computed 0 invariants in 2 ms
[2024-05-28 07:05:59] [INFO ] State equation strengthened by 129 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 1 (OVERLAPS) 167/212 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 129/174 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 0/174 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 4 (OVERLAPS) 6/218 variables, 3/177 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/218 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 6 (OVERLAPS) 0/218 variables, 0/177 constraints. Problems are: Problem set: 0 solved, 720 unsolved
No progress, stopping.
After SMT solving in domain Real declared 218/223 variables, and 177 constraints, problems are : Problem set: 0 solved, 720 unsolved in 17439 ms.
Refiners :[State Equation: 48/50 constraints, ReadFeed: 129/129 constraints, PredecessorRefiner: 720/720 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 720 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/45 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 1 (OVERLAPS) 167/212 variables, 45/45 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/212 variables, 129/174 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/212 variables, 135/309 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/212 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 5 (OVERLAPS) 6/218 variables, 3/312 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/218 variables, 584/896 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/218 variables, 0/896 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 8 (OVERLAPS) 1/219 variables, 1/897 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/219 variables, 0/897 constraints. Problems are: Problem set: 0 solved, 720 unsolved
At refinement iteration 10 (OVERLAPS) 1/220 variables, 1/898 constraints. Problems are: Problem set: 0 solved, 720 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 220/223 variables, and 898 constraints, problems are : Problem set: 0 solved, 720 unsolved in 30025 ms.
Refiners :[State Equation: 49/50 constraints, ReadFeed: 129/129 constraints, PredecessorRefiner: 720/720 constraints, Known Traps: 0/0 constraints]
After SMT, in 48608ms problems are : Problem set: 0 solved, 720 unsolved
Search for dead transitions found 0 dead transitions in 48614ms
Starting structural reductions in SI_LTL mode, iteration 1 : 50/120 places, 764/2276 transitions.
Graph (complete) has 541 edges and 50 vertex of which 47 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 4 place count 47 transition count 761
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 6 place count 45 transition count 725
Iterating global reduction 1 with 2 rules applied. Total rules applied 8 place count 45 transition count 725
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 10 place count 45 transition count 723
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 11 place count 44 transition count 671
Iterating global reduction 2 with 1 rules applied. Total rules applied 12 place count 44 transition count 671
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 13 place count 44 transition count 670
Applied a total of 13 rules in 27 ms. Remains 44 /50 variables (removed 6) and now considering 670/764 (removed 94) transitions.
[2024-05-28 07:06:48] [INFO ] Flow matrix only has 165 transitions (discarded 505 similar events)
// Phase 1: matrix 165 rows 44 cols
[2024-05-28 07:06:48] [INFO ] Computed 0 invariants in 0 ms
[2024-05-28 07:06:48] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-28 07:06:48] [INFO ] Flow matrix only has 165 transitions (discarded 505 similar events)
[2024-05-28 07:06:48] [INFO ] Invariant cache hit.
[2024-05-28 07:06:48] [INFO ] State equation strengthened by 127 read => feed constraints.
[2024-05-28 07:06:48] [INFO ] Implicit Places using invariants and state equation in 173 ms returned []
Implicit Place search using SMT with State Equation took 266 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 44/120 places, 670/2276 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 85407 ms. Remains : 44/120 places, 670/2276 transitions.
Stuttering acceptance computed with spot in 92 ms :[(OR (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : SemanticWebServices-PT-S256P18-LTLFireability-07
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 1 ms.
FORMULA SemanticWebServices-PT-S256P18-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SemanticWebServices-PT-S256P18-LTLFireability-07 finished in 85514 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(!p0))) U X(p1))||G(p2)))'
Support contains 9 out of 120 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 120/120 places, 2276/2276 transitions.
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 29 transitions
Reduce isomorphic transitions removed 29 transitions.
Iterating post reduction 0 with 30 rules applied. Total rules applied 30 place count 119 transition count 2247
Applied a total of 30 rules in 7 ms. Remains 119 /120 variables (removed 1) and now considering 2247/2276 (removed 29) transitions.
Running 1706 sub problems to find dead transitions.
[2024-05-28 07:06:48] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
Normalized transition count is 780 out of 800 initially.
// Phase 1: matrix 780 rows 119 cols
[2024-05-28 07:06:48] [INFO ] Computed 1 invariants in 3 ms
[2024-05-28 07:06:48] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/119 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 3 (OVERLAPS) 799/918 variables, 119/120 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
SMT process timed out in 31052ms, After SMT, problems are : Problem set: 0 solved, 1706 unsolved
Search for dead transitions found 0 dead transitions in 31066ms
[2024-05-28 07:07:19] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 07:07:19] [INFO ] Invariant cache hit.
[2024-05-28 07:07:19] [INFO ] Implicit Places using invariants in 84 ms returned []
[2024-05-28 07:07:19] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 07:07:19] [INFO ] Invariant cache hit.
[2024-05-28 07:07:19] [INFO ] State equation strengthened by 254 read => feed constraints.
[2024-05-28 07:07:20] [INFO ] Implicit Places using invariants and state equation in 432 ms returned []
Implicit Place search using SMT with State Equation took 564 ms to find 0 implicit places.
Running 1706 sub problems to find dead transitions.
[2024-05-28 07:07:20] [INFO ] Flow matrix only has 800 transitions (discarded 1447 similar events)
[2024-05-28 07:07:20] [INFO ] Invariant cache hit.
[2024-05-28 07:07:20] [INFO ] State equation strengthened by 254 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/117 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
At refinement iteration 1 (OVERLAPS) 2/119 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1706 unsolved
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running SemanticWebServices-PT-S256P18

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 198
TRANSITIONS: 9732
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.393s, Sys 0.024s]


SAVING FILE /home/mcc/execution/model (.net / .def) ...
EXPORT TIME: [User 0.033s, Sys 0.007s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 884
MODEL NAME: /home/mcc/execution/model
198 places, 9732 transitions.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
Creating all event NSFs..
Split: SplitSubtract
Start RS construction.
CANNOT_COMPUTE
EXITCODE: 87
----------------------------------------------------------------------

BK_STOP 1716881404610

--------------------
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
MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

MEDDLY ERROR: Insufficient memory

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-S256P18"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is SemanticWebServices-PT-S256P18, 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 r333-tall-171679078800604"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SemanticWebServices-PT-S256P18.tgz
mv SemanticWebServices-PT-S256P18 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 ;