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.r512-smll-171654407400313.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is PhaseVariation-PT-D05CS010, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r512-smll-171654407400313
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 55K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 11K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:43 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.1K May 18 16:43 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Apr 23 07:42 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 23 07:42 LTLCardinality.xml
-rw-r--r-- 1 mcc users 3.4K May 19 07:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:44 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 11 20:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Apr 11 20:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 15K Apr 11 20:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Apr 11 20:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 23 07:42 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Apr 23 07:42 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:43 equiv_col
-rw-r--r-- 1 mcc users 9 May 18 16:43 instance
-rw-r--r-- 1 mcc users 6 May 18 16:43 iscolored
-rw-r--r-- 1 mcc users 633K 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 PhaseVariation-PT-D05CS010-CTLCardinality-2024-00
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-01
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-02
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-03
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-04
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-05
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-06
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-07
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-08
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-09
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-10
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2024-11
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2023-12
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2023-13
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2023-14
FORMULA_NAME PhaseVariation-PT-D05CS010-CTLCardinality-2023-15

=== Now, execution of the tool begins

BK_START 1717284009927

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=PhaseVariation-PT-D05CS010
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 23:20:12] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 23:20:12] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 23:20:12] [INFO ] Load time of PNML (sax parser for PT used): 312 ms
[2024-06-01 23:20:12] [INFO ] Transformed 77 places.
[2024-06-01 23:20:12] [INFO ] Transformed 677 transitions.
[2024-06-01 23:20:12] [INFO ] Parsed PT model containing 77 places and 677 transitions and 4685 arcs in 617 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 38 ms.
Deduced a syphon composed of 2 places in 6 ms
Reduce places removed 2 places and 52 transitions.
Reduce places removed 1 places and 0 transitions.
Support contains 56 out of 74 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 74/74 places, 625/625 transitions.
Drop transitions (Redundant composition of simpler transitions.) removed 188 transitions
Redundant transition composition rules discarded 188 transitions
Iterating global reduction 0 with 188 rules applied. Total rules applied 188 place count 74 transition count 437
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 189 place count 73 transition count 437
Applied a total of 189 rules in 73 ms. Remains 73 /74 variables (removed 1) and now considering 437/625 (removed 188) transitions.
Running 421 sub problems to find dead transitions.
[2024-06-01 23:20:13] [INFO ] Flow matrix only has 49 transitions (discarded 388 similar events)
// Phase 1: matrix 49 rows 73 cols
[2024-06-01 23:20:13] [INFO ] Computed 24 invariants in 14 ms
[2024-06-01 23:20:13] [INFO ] State equation strengthened by 33 read => feed constraints.
Problem TDEAD0 is UNSAT
Problem TDEAD1 is UNSAT
Problem TDEAD2 is UNSAT
Problem TDEAD3 is UNSAT
Problem TDEAD4 is UNSAT
Problem TDEAD5 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD8 is UNSAT
Problem TDEAD9 is UNSAT
Problem TDEAD10 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD15 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD18 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD20 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD26 is UNSAT
Problem TDEAD27 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD34 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD40 is UNSAT
Problem TDEAD41 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD47 is UNSAT
Problem TDEAD48 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD54 is UNSAT
Problem TDEAD55 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD61 is UNSAT
Problem TDEAD62 is UNSAT
Problem TDEAD63 is UNSAT
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 16/16 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/16 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 2 (OVERLAPS) 8/68 variables, 6/22 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/22 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 4 (OVERLAPS) 4/72 variables, 2/24 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 0/24 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 6 (OVERLAPS) 49/121 variables, 72/96 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 33/129 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 0/129 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 9 (OVERLAPS) 1/122 variables, 1/130 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/122 variables, 0/130 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 11 (OVERLAPS) 0/122 variables, 0/130 constraints. Problems are: Problem set: 64 solved, 357 unsolved
No progress, stopping.
After SMT solving in domain Real declared 122/122 variables, and 130 constraints, problems are : Problem set: 64 solved, 357 unsolved in 17060 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 73/73 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 421/421 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 64 solved, 357 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/60 variables, 16/16 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/60 variables, 0/16 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 2 (OVERLAPS) 8/68 variables, 6/22 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/68 variables, 0/22 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 4 (OVERLAPS) 4/72 variables, 2/24 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 0/24 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 6 (OVERLAPS) 49/121 variables, 72/96 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/121 variables, 33/129 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/121 variables, 356/485 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/121 variables, 0/485 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 10 (OVERLAPS) 1/122 variables, 1/486 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/122 variables, 1/487 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/122 variables, 0/487 constraints. Problems are: Problem set: 64 solved, 357 unsolved
At refinement iteration 13 (OVERLAPS) 0/122 variables, 0/487 constraints. Problems are: Problem set: 64 solved, 357 unsolved
No progress, stopping.
After SMT solving in domain Int declared 122/122 variables, and 487 constraints, problems are : Problem set: 64 solved, 357 unsolved in 16808 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 73/73 constraints, ReadFeed: 33/33 constraints, PredecessorRefiner: 357/421 constraints, Known Traps: 0/0 constraints]
After SMT, in 34418ms problems are : Problem set: 64 solved, 357 unsolved
Search for dead transitions found 64 dead transitions in 34489ms
Found 64 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 64 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 64 transitions.
[2024-06-01 23:20:47] [INFO ] Flow matrix only has 49 transitions (discarded 324 similar events)
// Phase 1: matrix 49 rows 73 cols
[2024-06-01 23:20:47] [INFO ] Computed 24 invariants in 3 ms
[2024-06-01 23:20:47] [INFO ] Implicit Places using invariants in 111 ms returned []
[2024-06-01 23:20:47] [INFO ] Flow matrix only has 49 transitions (discarded 324 similar events)
[2024-06-01 23:20:47] [INFO ] Invariant cache hit.
[2024-06-01 23:20:47] [INFO ] State equation strengthened by 33 read => feed constraints.
[2024-06-01 23:20:47] [INFO ] Implicit Places using invariants and state equation in 119 ms returned []
Implicit Place search using SMT with State Equation took 236 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 73/74 places, 373/625 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 72 transition count 363
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 72 transition count 363
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 12 place count 72 transition count 353
Applied a total of 12 rules in 13 ms. Remains 72 /73 variables (removed 1) and now considering 353/373 (removed 20) transitions.
[2024-06-01 23:20:48] [INFO ] Flow matrix only has 48 transitions (discarded 305 similar events)
// Phase 1: matrix 48 rows 72 cols
[2024-06-01 23:20:48] [INFO ] Computed 24 invariants in 1 ms
[2024-06-01 23:20:48] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-01 23:20:48] [INFO ] Flow matrix only has 48 transitions (discarded 305 similar events)
[2024-06-01 23:20:48] [INFO ] Invariant cache hit.
[2024-06-01 23:20:48] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-06-01 23:20:48] [INFO ] Implicit Places using invariants and state equation in 165 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
Starting structural reductions in LTL mode, iteration 2 : 72/74 places, 353/625 transitions.
Finished structural reductions in LTL mode , in 2 iterations and 35165 ms. Remains : 72/74 places, 353/625 transitions.
Support contains 56 out of 72 places after structural reductions.
[2024-06-01 23:20:48] [INFO ] Flatten gal took : 134 ms
[2024-06-01 23:20:48] [INFO ] Flatten gal took : 68 ms
[2024-06-01 23:20:49] [INFO ] Input system was already deterministic with 353 transitions.
RANDOM walk for 40000 steps (1955 resets) in 3089 ms. (12 steps per ms) remains 13/62 properties
BEST_FIRST walk for 40004 steps (102 resets) in 157 ms. (253 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (92 resets) in 177 ms. (224 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (100 resets) in 144 ms. (275 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (102 resets) in 182 ms. (218 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (99 resets) in 106 ms. (373 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40003 steps (101 resets) in 92 ms. (430 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (98 resets) in 100 ms. (396 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (168 resets) in 95 ms. (416 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (94 resets) in 82 ms. (481 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (98 resets) in 77 ms. (512 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (97 resets) in 77 ms. (512 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (102 resets) in 71 ms. (555 steps per ms) remains 13/13 properties
BEST_FIRST walk for 40004 steps (102 resets) in 98 ms. (404 steps per ms) remains 13/13 properties
[2024-06-01 23:20:50] [INFO ] Flow matrix only has 48 transitions (discarded 305 similar events)
[2024-06-01 23:20:50] [INFO ] Invariant cache hit.
[2024-06-01 23:20:50] [INFO ] State equation strengthened by 32 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/17 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 13 unsolved
Problem AtomicPropp8 is UNSAT
Problem AtomicPropp10 is UNSAT
Problem AtomicPropp22 is UNSAT
Problem AtomicPropp23 is UNSAT
Problem AtomicPropp24 is UNSAT
Problem AtomicPropp29 is UNSAT
Problem AtomicPropp37 is UNSAT
Problem AtomicPropp39 is UNSAT
Problem AtomicPropp44 is UNSAT
Problem AtomicPropp49 is UNSAT
Problem AtomicPropp52 is UNSAT
Problem AtomicPropp61 is UNSAT
At refinement iteration 1 (OVERLAPS) 37/54 variables, 15/15 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/54 variables, 0/15 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 17/71 variables, 9/24 constraints. Problems are: Problem set: 12 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 0/24 constraints. Problems are: Problem set: 12 solved, 1 unsolved
Problem AtomicPropp38 is UNSAT
After SMT solving in domain Real declared 118/120 variables, and 95 constraints, problems are : Problem set: 13 solved, 0 unsolved in 165 ms.
Refiners :[Positive P Invariants (semi-flows): 24/24 constraints, State Equation: 71/72 constraints, ReadFeed: 0/32 constraints, PredecessorRefiner: 13/13 constraints, Known Traps: 0/0 constraints]
After SMT, in 187ms problems are : Problem set: 13 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Successfully simplified 13 atomic propositions for a total of 16 simplifications.
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-2024-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 23:20:50] [INFO ] Initial state reduction rules for CTL removed 1 formulas.
[2024-06-01 23:20:50] [INFO ] Flatten gal took : 35 ms
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-2024-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 23:20:50] [INFO ] Flatten gal took : 33 ms
[2024-06-01 23:20:50] [INFO ] Input system was already deterministic with 353 transitions.
Support contains 43 out of 72 places (down from 46) after GAL structural reductions.
Computed a total of 72 stabilizing places and 353 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 72 transition count 353
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
AF dead knowledge conclusive for 2 formulas.
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-2024-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PhaseVariation-PT-D05CS010-CTLCardinality-2024-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 67 transition count 350
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 28 place count 47 transition count 195
Iterating global reduction 1 with 20 rules applied. Total rules applied 48 place count 47 transition count 195
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 136 place count 47 transition count 107
Applied a total of 136 rules in 9 ms. Remains 47 /72 variables (removed 25) and now considering 107/353 (removed 246) transitions.
Running 100 sub problems to find dead transitions.
[2024-06-01 23:20:50] [INFO ] Flow matrix only has 25 transitions (discarded 82 similar events)
// Phase 1: matrix 25 rows 47 cols
[2024-06-01 23:20:50] [INFO ] Computed 22 invariants in 2 ms
[2024-06-01 23:20:50] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (OVERLAPS) 0/72 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 87 constraints, problems are : Problem set: 0 solved, 100 unsolved in 2276 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 100 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 100/187 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 100 unsolved
At refinement iteration 8 (OVERLAPS) 0/72 variables, 0/187 constraints. Problems are: Problem set: 0 solved, 100 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 187 constraints, problems are : Problem set: 0 solved, 100 unsolved in 2383 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 100/100 constraints, Known Traps: 0/0 constraints]
After SMT, in 4691ms problems are : Problem set: 0 solved, 100 unsolved
Search for dead transitions found 0 dead transitions in 4693ms
Finished structural reductions in LTL mode , in 1 iterations and 4703 ms. Remains : 47/72 places, 107/353 transitions.
[2024-06-01 23:20:55] [INFO ] Flatten gal took : 13 ms
[2024-06-01 23:20:55] [INFO ] Flatten gal took : 13 ms
[2024-06-01 23:20:55] [INFO ] Input system was already deterministic with 107 transitions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 67 transition count 350
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 25 place count 50 transition count 230
Iterating global reduction 1 with 17 rules applied. Total rules applied 42 place count 50 transition count 230
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Iterating post reduction 1 with 75 rules applied. Total rules applied 117 place count 50 transition count 155
Applied a total of 117 rules in 11 ms. Remains 50 /72 variables (removed 22) and now considering 155/353 (removed 198) transitions.
Running 149 sub problems to find dead transitions.
[2024-06-01 23:20:55] [INFO ] Flow matrix only has 28 transitions (discarded 127 similar events)
// Phase 1: matrix 28 rows 50 cols
[2024-06-01 23:20:55] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:20:55] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 6/50 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (OVERLAPS) 28/78 variables, 50/72 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 22/94 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (OVERLAPS) 0/78 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 94 constraints, problems are : Problem set: 0 solved, 149 unsolved in 4070 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 50/50 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 149 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 2 (OVERLAPS) 6/50 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 4 (OVERLAPS) 28/78 variables, 50/72 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 22/94 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 149/243 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 149 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/243 constraints. Problems are: Problem set: 0 solved, 149 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 243 constraints, problems are : Problem set: 0 solved, 149 unsolved in 3747 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 50/50 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 149/149 constraints, Known Traps: 0/0 constraints]
After SMT, in 7871ms problems are : Problem set: 0 solved, 149 unsolved
Search for dead transitions found 0 dead transitions in 7875ms
Finished structural reductions in LTL mode , in 1 iterations and 7888 ms. Remains : 50/72 places, 155/353 transitions.
[2024-06-01 23:21:03] [INFO ] Flatten gal took : 18 ms
[2024-06-01 23:21:03] [INFO ] Flatten gal took : 17 ms
[2024-06-01 23:21:03] [INFO ] Input system was already deterministic with 155 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Graph (complete) has 775 edges and 72 vertex of which 67 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.8 ms
Discarding 5 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 67 transition count 350
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 21 place count 50 transition count 226
Iterating global reduction 1 with 17 rules applied. Total rules applied 38 place count 50 transition count 226
Ensure Unique test removed 81 transitions
Reduce isomorphic transitions removed 81 transitions.
Iterating post reduction 1 with 81 rules applied. Total rules applied 119 place count 50 transition count 145
Applied a total of 119 rules in 69 ms. Remains 50 /72 variables (removed 22) and now considering 145/353 (removed 208) transitions.
Running 139 sub problems to find dead transitions.
[2024-06-01 23:21:03] [INFO ] Flow matrix only has 28 transitions (discarded 117 similar events)
// Phase 1: matrix 28 rows 50 cols
[2024-06-01 23:21:03] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:03] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 2 (OVERLAPS) 6/50 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 4 (OVERLAPS) 28/78 variables, 50/72 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 22/94 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 7 (OVERLAPS) 0/78 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 139 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 94 constraints, problems are : Problem set: 0 solved, 139 unsolved in 3995 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 50/50 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 139/139 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 139 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/44 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/44 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 2 (OVERLAPS) 6/50 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 4 (OVERLAPS) 28/78 variables, 50/72 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/78 variables, 22/94 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/78 variables, 139/233 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/78 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 139 unsolved
At refinement iteration 8 (OVERLAPS) 0/78 variables, 0/233 constraints. Problems are: Problem set: 0 solved, 139 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 233 constraints, problems are : Problem set: 0 solved, 139 unsolved in 3507 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 50/50 constraints, ReadFeed: 22/22 constraints, PredecessorRefiner: 139/139 constraints, Known Traps: 0/0 constraints]
After SMT, in 7546ms problems are : Problem set: 0 solved, 139 unsolved
Search for dead transitions found 0 dead transitions in 7549ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 7619 ms. Remains : 50/72 places, 145/353 transitions.
[2024-06-01 23:21:11] [INFO ] Flatten gal took : 14 ms
[2024-06-01 23:21:11] [INFO ] Flatten gal took : 15 ms
[2024-06-01 23:21:11] [INFO ] Input system was already deterministic with 145 transitions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 67 transition count 350
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 26 place count 49 transition count 214
Iterating global reduction 1 with 18 rules applied. Total rules applied 44 place count 49 transition count 214
Ensure Unique test removed 87 transitions
Reduce isomorphic transitions removed 87 transitions.
Iterating post reduction 1 with 87 rules applied. Total rules applied 131 place count 49 transition count 127
Applied a total of 131 rules in 10 ms. Remains 49 /72 variables (removed 23) and now considering 127/353 (removed 226) transitions.
Running 119 sub problems to find dead transitions.
[2024-06-01 23:21:11] [INFO ] Flow matrix only has 27 transitions (discarded 100 similar events)
// Phase 1: matrix 27 rows 49 cols
[2024-06-01 23:21:11] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:11] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (OVERLAPS) 6/49 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (OVERLAPS) 27/76 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 19/90 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (OVERLAPS) 0/76 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 90 constraints, problems are : Problem set: 0 solved, 119 unsolved in 3068 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 49/49 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 119 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/43 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/43 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 2 (OVERLAPS) 6/49 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 4 (OVERLAPS) 27/76 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 19/90 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 119/209 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 119 unsolved
At refinement iteration 8 (OVERLAPS) 0/76 variables, 0/209 constraints. Problems are: Problem set: 0 solved, 119 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 209 constraints, problems are : Problem set: 0 solved, 119 unsolved in 2828 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 49/49 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 119/119 constraints, Known Traps: 0/0 constraints]
After SMT, in 5929ms problems are : Problem set: 0 solved, 119 unsolved
Search for dead transitions found 0 dead transitions in 5931ms
Finished structural reductions in LTL mode , in 1 iterations and 5943 ms. Remains : 49/72 places, 127/353 transitions.
[2024-06-01 23:21:17] [INFO ] Flatten gal took : 10 ms
[2024-06-01 23:21:17] [INFO ] Flatten gal took : 9 ms
[2024-06-01 23:21:17] [INFO ] Input system was already deterministic with 127 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Graph (complete) has 775 edges and 72 vertex of which 68 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.4 ms
Discarding 4 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 68 transition count 351
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 21 place count 50 transition count 203
Iterating global reduction 1 with 18 rules applied. Total rules applied 39 place count 50 transition count 203
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 127 place count 50 transition count 115
Applied a total of 127 rules in 39 ms. Remains 50 /72 variables (removed 22) and now considering 115/353 (removed 238) transitions.
Running 105 sub problems to find dead transitions.
[2024-06-01 23:21:17] [INFO ] Flow matrix only has 28 transitions (discarded 87 similar events)
// Phase 1: matrix 28 rows 50 cols
[2024-06-01 23:21:17] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:17] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (OVERLAPS) 7/49 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 4 (OVERLAPS) 28/77 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 18/89 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (OVERLAPS) 1/78 variables, 1/90 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/78 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 9 (OVERLAPS) 0/78 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Real declared 78/78 variables, and 90 constraints, problems are : Problem set: 0 solved, 105 unsolved in 3860 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 50/50 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 105 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 2 (OVERLAPS) 7/49 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 4 (OVERLAPS) 28/77 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 18/89 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 104/193 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/77 variables, 0/193 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 8 (OVERLAPS) 1/78 variables, 1/194 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/78 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/78 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 105 unsolved
At refinement iteration 11 (OVERLAPS) 0/78 variables, 0/195 constraints. Problems are: Problem set: 0 solved, 105 unsolved
No progress, stopping.
After SMT solving in domain Int declared 78/78 variables, and 195 constraints, problems are : Problem set: 0 solved, 105 unsolved in 3414 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 50/50 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 105/105 constraints, Known Traps: 0/0 constraints]
After SMT, in 7306ms problems are : Problem set: 0 solved, 105 unsolved
Search for dead transitions found 0 dead transitions in 7311ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 7350 ms. Remains : 50/72 places, 115/353 transitions.
[2024-06-01 23:21:24] [INFO ] Flatten gal took : 11 ms
[2024-06-01 23:21:24] [INFO ] Flatten gal took : 10 ms
[2024-06-01 23:21:24] [INFO ] Input system was already deterministic with 115 transitions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 67 transition count 350
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 28 place count 47 transition count 200
Iterating global reduction 1 with 20 rules applied. Total rules applied 48 place count 47 transition count 200
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 136 place count 47 transition count 112
Applied a total of 136 rules in 18 ms. Remains 47 /72 variables (removed 25) and now considering 112/353 (removed 241) transitions.
Running 106 sub problems to find dead transitions.
[2024-06-01 23:21:24] [INFO ] Flow matrix only has 25 transitions (discarded 87 similar events)
// Phase 1: matrix 25 rows 47 cols
[2024-06-01 23:21:24] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:24] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 19/88 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (OVERLAPS) 0/72 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 88 constraints, problems are : Problem set: 0 solved, 106 unsolved in 2649 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 106 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 19/88 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 106/194 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (OVERLAPS) 0/72 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 106 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 194 constraints, problems are : Problem set: 0 solved, 106 unsolved in 2562 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 106/106 constraints, Known Traps: 0/0 constraints]
After SMT, in 5241ms problems are : Problem set: 0 solved, 106 unsolved
Search for dead transitions found 0 dead transitions in 5244ms
Finished structural reductions in LTL mode , in 1 iterations and 5264 ms. Remains : 47/72 places, 112/353 transitions.
[2024-06-01 23:21:29] [INFO ] Flatten gal took : 8 ms
[2024-06-01 23:21:29] [INFO ] Flatten gal took : 8 ms
[2024-06-01 23:21:30] [INFO ] Input system was already deterministic with 112 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Graph (complete) has 775 edges and 72 vertex of which 68 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.4 ms
Discarding 4 places :
Also discarding 0 output transitions
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 68 transition count 351
Discarding 17 places :
Symmetric choice reduction at 1 with 17 rule applications. Total rules 20 place count 51 transition count 216
Iterating global reduction 1 with 17 rules applied. Total rules applied 37 place count 51 transition count 216
Ensure Unique test removed 82 transitions
Reduce isomorphic transitions removed 82 transitions.
Iterating post reduction 1 with 82 rules applied. Total rules applied 119 place count 51 transition count 134
Applied a total of 119 rules in 34 ms. Remains 51 /72 variables (removed 21) and now considering 134/353 (removed 219) transitions.
Running 125 sub problems to find dead transitions.
[2024-06-01 23:21:30] [INFO ] Flow matrix only has 29 transitions (discarded 105 similar events)
// Phase 1: matrix 29 rows 51 cols
[2024-06-01 23:21:30] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:30] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 2 (OVERLAPS) 8/50 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 4 (OVERLAPS) 29/79 variables, 50/72 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 7 (OVERLAPS) 1/80 variables, 1/93 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/80 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 9 (OVERLAPS) 0/80 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 125 unsolved
No progress, stopping.
After SMT solving in domain Real declared 80/80 variables, and 93 constraints, problems are : Problem set: 0 solved, 125 unsolved in 4295 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 51/51 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 125/125 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 125 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 2 (OVERLAPS) 8/50 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/50 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 4 (OVERLAPS) 29/79 variables, 50/72 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/79 variables, 20/92 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/79 variables, 124/216 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/79 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 8 (OVERLAPS) 1/80 variables, 1/217 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/80 variables, 1/218 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/80 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 125 unsolved
At refinement iteration 11 (OVERLAPS) 0/80 variables, 0/218 constraints. Problems are: Problem set: 0 solved, 125 unsolved
No progress, stopping.
After SMT solving in domain Int declared 80/80 variables, and 218 constraints, problems are : Problem set: 0 solved, 125 unsolved in 3957 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 51/51 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 125/125 constraints, Known Traps: 0/0 constraints]
After SMT, in 8291ms problems are : Problem set: 0 solved, 125 unsolved
Search for dead transitions found 0 dead transitions in 8296ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 8331 ms. Remains : 51/72 places, 134/353 transitions.
[2024-06-01 23:21:38] [INFO ] Flatten gal took : 9 ms
[2024-06-01 23:21:38] [INFO ] Flatten gal took : 10 ms
[2024-06-01 23:21:38] [INFO ] Input system was already deterministic with 134 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Graph (complete) has 775 edges and 72 vertex of which 67 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.3 ms
Discarding 5 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 67 transition count 350
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 24 place count 47 transition count 195
Iterating global reduction 1 with 20 rules applied. Total rules applied 44 place count 47 transition count 195
Ensure Unique test removed 92 transitions
Reduce isomorphic transitions removed 92 transitions.
Iterating post reduction 1 with 92 rules applied. Total rules applied 136 place count 47 transition count 103
Applied a total of 136 rules in 24 ms. Remains 47 /72 variables (removed 25) and now considering 103/353 (removed 250) transitions.
Running 95 sub problems to find dead transitions.
[2024-06-01 23:21:38] [INFO ] Flow matrix only has 25 transitions (discarded 78 similar events)
// Phase 1: matrix 25 rows 47 cols
[2024-06-01 23:21:38] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:38] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 17/86 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 7 (OVERLAPS) 0/72 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 95 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 86 constraints, problems are : Problem set: 0 solved, 95 unsolved in 2456 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 95/95 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 95 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 17/86 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 95/181 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 95 unsolved
At refinement iteration 8 (OVERLAPS) 0/72 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 95 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 181 constraints, problems are : Problem set: 0 solved, 95 unsolved in 2219 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 95/95 constraints, Known Traps: 0/0 constraints]
After SMT, in 4701ms problems are : Problem set: 0 solved, 95 unsolved
Search for dead transitions found 0 dead transitions in 4703ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 4727 ms. Remains : 47/72 places, 103/353 transitions.
[2024-06-01 23:21:43] [INFO ] Flatten gal took : 7 ms
[2024-06-01 23:21:43] [INFO ] Flatten gal took : 8 ms
[2024-06-01 23:21:43] [INFO ] Input system was already deterministic with 103 transitions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 67 transition count 350
Discarding 18 places :
Symmetric choice reduction at 1 with 18 rule applications. Total rules 26 place count 49 transition count 208
Iterating global reduction 1 with 18 rules applied. Total rules applied 44 place count 49 transition count 208
Ensure Unique test removed 85 transitions
Reduce isomorphic transitions removed 85 transitions.
Iterating post reduction 1 with 85 rules applied. Total rules applied 129 place count 49 transition count 123
Applied a total of 129 rules in 7 ms. Remains 49 /72 variables (removed 23) and now considering 123/353 (removed 230) transitions.
Running 116 sub problems to find dead transitions.
[2024-06-01 23:21:43] [INFO ] Flow matrix only has 27 transitions (discarded 96 similar events)
// Phase 1: matrix 27 rows 49 cols
[2024-06-01 23:21:43] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:43] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (OVERLAPS) 7/49 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 4 (OVERLAPS) 27/76 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (OVERLAPS) 0/76 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 91 constraints, problems are : Problem set: 0 solved, 116 unsolved in 3250 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 49/49 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 116 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/42 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/42 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 2 (OVERLAPS) 7/49 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/49 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 4 (OVERLAPS) 27/76 variables, 49/71 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/76 variables, 20/91 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 116/207 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 116 unsolved
At refinement iteration 8 (OVERLAPS) 0/76 variables, 0/207 constraints. Problems are: Problem set: 0 solved, 116 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 207 constraints, problems are : Problem set: 0 solved, 116 unsolved in 2864 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 49/49 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 116/116 constraints, Known Traps: 0/0 constraints]
After SMT, in 6149ms problems are : Problem set: 0 solved, 116 unsolved
Search for dead transitions found 0 dead transitions in 6150ms
Finished structural reductions in LTL mode , in 1 iterations and 6158 ms. Remains : 49/72 places, 123/353 transitions.
[2024-06-01 23:21:49] [INFO ] Flatten gal took : 8 ms
[2024-06-01 23:21:49] [INFO ] Flatten gal took : 9 ms
[2024-06-01 23:21:49] [INFO ] Input system was already deterministic with 123 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Graph (complete) has 775 edges and 72 vertex of which 67 are kept as prefixes of interest. Removing 5 places using SCC suffix rule.2 ms
Discarding 5 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 67 transition count 350
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 24 place count 47 transition count 209
Iterating global reduction 1 with 20 rules applied. Total rules applied 44 place count 47 transition count 209
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Iterating post reduction 1 with 88 rules applied. Total rules applied 132 place count 47 transition count 121
Applied a total of 132 rules in 22 ms. Remains 47 /72 variables (removed 25) and now considering 121/353 (removed 232) transitions.
Running 115 sub problems to find dead transitions.
[2024-06-01 23:21:49] [INFO ] Flow matrix only has 25 transitions (discarded 96 similar events)
// Phase 1: matrix 25 rows 47 cols
[2024-06-01 23:21:49] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:49] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 19/88 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (OVERLAPS) 0/72 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 88 constraints, problems are : Problem set: 0 solved, 115 unsolved in 2936 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 115 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 19/88 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 115/203 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 115 unsolved
At refinement iteration 8 (OVERLAPS) 0/72 variables, 0/203 constraints. Problems are: Problem set: 0 solved, 115 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 203 constraints, problems are : Problem set: 0 solved, 115 unsolved in 2780 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 115/115 constraints, Known Traps: 0/0 constraints]
After SMT, in 5751ms problems are : Problem set: 0 solved, 115 unsolved
Search for dead transitions found 0 dead transitions in 5752ms
Finished structural reductions in SI_CTL mode , in 1 iterations and 5775 ms. Remains : 47/72 places, 121/353 transitions.
[2024-06-01 23:21:55] [INFO ] Flatten gal took : 9 ms
[2024-06-01 23:21:55] [INFO ] Flatten gal took : 10 ms
[2024-06-01 23:21:55] [INFO ] Input system was already deterministic with 121 transitions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Reduce places removed 4 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 6 place count 68 transition count 351
Discarding 19 places :
Symmetric choice reduction at 1 with 19 rule applications. Total rules 25 place count 49 transition count 205
Iterating global reduction 1 with 19 rules applied. Total rules applied 44 place count 49 transition count 205
Ensure Unique test removed 89 transitions
Reduce isomorphic transitions removed 89 transitions.
Iterating post reduction 1 with 89 rules applied. Total rules applied 133 place count 49 transition count 116
Applied a total of 133 rules in 7 ms. Remains 49 /72 variables (removed 23) and now considering 116/353 (removed 237) transitions.
Running 107 sub problems to find dead transitions.
[2024-06-01 23:21:55] [INFO ] Flow matrix only has 27 transitions (discarded 89 similar events)
// Phase 1: matrix 27 rows 49 cols
[2024-06-01 23:21:55] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:21:55] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 7/48 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 27/75 variables, 48/70 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (OVERLAPS) 1/76 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (OVERLAPS) 0/76 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Real declared 76/76 variables, and 89 constraints, problems are : Problem set: 0 solved, 107 unsolved in 3602 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 49/49 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 107 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 2 (OVERLAPS) 7/48 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/48 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 4 (OVERLAPS) 27/75 variables, 48/70 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 106/194 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 0/194 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 8 (OVERLAPS) 1/76 variables, 1/195 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 1/196 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/76 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 107 unsolved
At refinement iteration 11 (OVERLAPS) 0/76 variables, 0/196 constraints. Problems are: Problem set: 0 solved, 107 unsolved
No progress, stopping.
After SMT solving in domain Int declared 76/76 variables, and 196 constraints, problems are : Problem set: 0 solved, 107 unsolved in 3260 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 49/49 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 107/107 constraints, Known Traps: 0/0 constraints]
After SMT, in 6896ms problems are : Problem set: 0 solved, 107 unsolved
Search for dead transitions found 0 dead transitions in 6898ms
Finished structural reductions in LTL mode , in 1 iterations and 6905 ms. Remains : 49/72 places, 116/353 transitions.
[2024-06-01 23:22:02] [INFO ] Flatten gal took : 9 ms
[2024-06-01 23:22:02] [INFO ] Flatten gal took : 8 ms
[2024-06-01 23:22:02] [INFO ] Input system was already deterministic with 116 transitions.
Starting structural reductions in LTL mode, iteration 0 : 72/72 places, 353/353 transitions.
Reduce places removed 5 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 67 transition count 350
Discarding 20 places :
Symmetric choice reduction at 1 with 20 rule applications. Total rules 28 place count 47 transition count 205
Iterating global reduction 1 with 20 rules applied. Total rules applied 48 place count 47 transition count 205
Ensure Unique test removed 86 transitions
Reduce isomorphic transitions removed 86 transitions.
Iterating post reduction 1 with 86 rules applied. Total rules applied 134 place count 47 transition count 119
Applied a total of 134 rules in 7 ms. Remains 47 /72 variables (removed 25) and now considering 119/353 (removed 234) transitions.
Running 113 sub problems to find dead transitions.
[2024-06-01 23:22:02] [INFO ] Flow matrix only has 25 transitions (discarded 94 similar events)
// Phase 1: matrix 25 rows 47 cols
[2024-06-01 23:22:02] [INFO ] Computed 22 invariants in 1 ms
[2024-06-01 23:22:02] [INFO ] State equation strengthened by 19 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 19/88 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 7 (OVERLAPS) 0/72 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 113 unsolved
No progress, stopping.
After SMT solving in domain Real declared 72/72 variables, and 88 constraints, problems are : Problem set: 0 solved, 113 unsolved in 2988 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 113/113 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 113 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/41 variables, 16/16 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/41 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 2 (OVERLAPS) 6/47 variables, 6/22 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/47 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 4 (OVERLAPS) 25/72 variables, 47/69 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/72 variables, 19/88 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/72 variables, 113/201 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/72 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 113 unsolved
At refinement iteration 8 (OVERLAPS) 0/72 variables, 0/201 constraints. Problems are: Problem set: 0 solved, 113 unsolved
No progress, stopping.
After SMT solving in domain Int declared 72/72 variables, and 201 constraints, problems are : Problem set: 0 solved, 113 unsolved in 2680 ms.
Refiners :[Positive P Invariants (semi-flows): 22/22 constraints, State Equation: 47/47 constraints, ReadFeed: 19/19 constraints, PredecessorRefiner: 113/113 constraints, Known Traps: 0/0 constraints]
After SMT, in 5695ms problems are : Problem set: 0 solved, 113 unsolved
Search for dead transitions found 0 dead transitions in 5697ms
Finished structural reductions in LTL mode , in 1 iterations and 5706 ms. Remains : 47/72 places, 119/353 transitions.
[2024-06-01 23:22:07] [INFO ] Flatten gal took : 7 ms
[2024-06-01 23:22:07] [INFO ] Flatten gal took : 8 ms
[2024-06-01 23:22:07] [INFO ] Input system was already deterministic with 119 transitions.
[2024-06-01 23:22:07] [INFO ] Flatten gal took : 22 ms
[2024-06-01 23:22:07] [INFO ] Flatten gal took : 22 ms
[2024-06-01 23:22:07] [INFO ] Export to MCC of 12 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 7 ms.
[2024-06-01 23:22:07] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 72 places, 353 transitions and 2434 arcs took 10 ms.
Total runtime 115710 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-00
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-01
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-02
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-03
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-05
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-06
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-08
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2024-09
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2023-12
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2023-13
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2023-14
Could not compute solution for formula : PhaseVariation-PT-D05CS010-CTLCardinality-2023-15

BK_STOP 1717284128494

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLCardinality -timeout 360 -rebuildPNML
mcc2024
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-00
ctl formula formula --ctl=/tmp/627/ctl_0_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-01
ctl formula formula --ctl=/tmp/627/ctl_1_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-02
ctl formula formula --ctl=/tmp/627/ctl_2_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-03
ctl formula formula --ctl=/tmp/627/ctl_3_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-05
ctl formula formula --ctl=/tmp/627/ctl_4_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-06
ctl formula formula --ctl=/tmp/627/ctl_5_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-08
ctl formula formula --ctl=/tmp/627/ctl_6_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2024-09
ctl formula formula --ctl=/tmp/627/ctl_7_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2023-12
ctl formula formula --ctl=/tmp/627/ctl_8_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2023-13
ctl formula formula --ctl=/tmp/627/ctl_9_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2023-14
ctl formula formula --ctl=/tmp/627/ctl_10_
ctl formula name PhaseVariation-PT-D05CS010-CTLCardinality-2023-15
ctl formula formula --ctl=/tmp/627/ctl_11_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

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="PhaseVariation-PT-D05CS010"
export BK_EXAMINATION="CTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is PhaseVariation-PT-D05CS010, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r512-smll-171654407400313"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/PhaseVariation-PT-D05CS010.tgz
mv PhaseVariation-PT-D05CS010 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;