fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r476-tall-171620506200588
Last Updated
July 7, 2024

About the Execution of LTSMin+red for CloudDeployment-PT-5a

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
2131.760 891584.00 1059031.00 2532.70 FFFFTTFFFTFFFTFF normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r476-tall-171620506200588.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 CloudDeployment-PT-5a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r476-tall-171620506200588
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 720K
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 72K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.6K Apr 22 14:34 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:34 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:34 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:34 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Apr 11 16:31 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 165K Apr 11 16:31 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.1K Apr 11 16:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Apr 11 16:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:34 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:34 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 230K May 18 16:42 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-00
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-01
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-02
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-03
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-04
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-05
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-06
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-07
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-08
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-09
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-10
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-11
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-12
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-13
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-14
FORMULA_NAME CloudDeployment-PT-5a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1717208772061

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=CloudDeployment-PT-5a
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 02:26:13] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2024-06-01 02:26:13] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 02:26:13] [INFO ] Load time of PNML (sax parser for PT used): 130 ms
[2024-06-01 02:26:13] [INFO ] Transformed 180 places.
[2024-06-01 02:26:13] [INFO ] Transformed 675 transitions.
[2024-06-01 02:26:13] [INFO ] Found NUPN structural information;
[2024-06-01 02:26:13] [INFO ] Parsed PT model containing 180 places and 675 transitions and 3959 arcs in 248 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 11 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 80 transitions
Reduce redundant transitions removed 80 transitions.
FORMULA CloudDeployment-PT-5a-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-5a-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-5a-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA CloudDeployment-PT-5a-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 38 out of 180 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 180/180 places, 595/595 transitions.
Ensure Unique test removed 10 places
Iterating post reduction 0 with 10 rules applied. Total rules applied 10 place count 170 transition count 595
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 13 place count 167 transition count 592
Iterating global reduction 1 with 3 rules applied. Total rules applied 16 place count 167 transition count 592
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 18 place count 165 transition count 590
Iterating global reduction 1 with 2 rules applied. Total rules applied 20 place count 165 transition count 590
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 164 transition count 589
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 164 transition count 589
Drop transitions (Redundant composition of simpler transitions.) removed 55 transitions
Redundant transition composition rules discarded 55 transitions
Iterating global reduction 1 with 55 rules applied. Total rules applied 77 place count 164 transition count 534
Applied a total of 77 rules in 125 ms. Remains 164 /180 variables (removed 16) and now considering 534/595 (removed 61) transitions.
[2024-06-01 02:26:13] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
// Phase 1: matrix 295 rows 164 cols
[2024-06-01 02:26:13] [INFO ] Computed 20 invariants in 18 ms
[2024-06-01 02:26:14] [INFO ] Implicit Places using invariants in 330 ms returned []
[2024-06-01 02:26:14] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:26:14] [INFO ] Invariant cache hit.
[2024-06-01 02:26:14] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:26:14] [INFO ] Implicit Places using invariants and state equation in 320 ms returned []
Implicit Place search using SMT with State Equation took 677 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:26:14] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:26:14] [INFO ] Invariant cache hit.
[2024-06-01 02:26:14] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30023 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60873ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60908ms
Starting structural reductions in LTL mode, iteration 1 : 164/180 places, 534/595 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61758 ms. Remains : 164/180 places, 534/595 transitions.
Support contains 38 out of 164 places after structural reductions.
[2024-06-01 02:27:15] [INFO ] Flatten gal took : 73 ms
[2024-06-01 02:27:15] [INFO ] Flatten gal took : 39 ms
[2024-06-01 02:27:15] [INFO ] Input system was already deterministic with 534 transitions.
Support contains 37 out of 164 places (down from 38) after GAL structural reductions.
RANDOM walk for 40000 steps (544 resets) in 1672 ms. (23 steps per ms) remains 3/27 properties
BEST_FIRST walk for 40004 steps (48 resets) in 167 ms. (238 steps per ms) remains 1/3 properties
BEST_FIRST walk for 32758 steps (61 resets) in 76 ms. (425 steps per ms) remains 0/1 properties
FORMULA CloudDeployment-PT-5a-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 79 stabilizing places and 364 stable transitions
Graph (complete) has 1502 edges and 164 vertex of which 163 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.7 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((G(F(p0)) U p1))))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Graph (trivial) has 195 edges and 164 vertex of which 49 / 164 are part of one of the 15 SCC in 3 ms
Free SCC test removed 34 places
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 5 place count 126 transition count 418
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 126 transition count 418
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 39 place count 111 transition count 463
Drop transitions (Redundant composition of simpler transitions.) removed 80 transitions
Redundant transition composition rules discarded 80 transitions
Iterating global reduction 0 with 80 rules applied. Total rules applied 119 place count 111 transition count 383
Applied a total of 119 rules in 76 ms. Remains 111 /164 variables (removed 53) and now considering 383/534 (removed 151) transitions.
[2024-06-01 02:27:16] [INFO ] Flow matrix only has 158 transitions (discarded 225 similar events)
// Phase 1: matrix 158 rows 111 cols
[2024-06-01 02:27:17] [INFO ] Computed 20 invariants in 5 ms
[2024-06-01 02:27:17] [INFO ] Implicit Places using invariants in 244 ms returned []
[2024-06-01 02:27:17] [INFO ] Flow matrix only has 158 transitions (discarded 225 similar events)
[2024-06-01 02:27:17] [INFO ] Invariant cache hit.
[2024-06-01 02:27:17] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:27:17] [INFO ] Implicit Places using invariants and state equation in 218 ms returned []
Implicit Place search using SMT with State Equation took 464 ms to find 0 implicit places.
[2024-06-01 02:27:17] [INFO ] Redundant transitions in 220 ms returned []
Running 382 sub problems to find dead transitions.
[2024-06-01 02:27:17] [INFO ] Flow matrix only has 158 transitions (discarded 225 similar events)
[2024-06-01 02:27:17] [INFO ] Invariant cache hit.
[2024-06-01 02:27:17] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 2 (OVERLAPS) 157/267 variables, 110/130 constraints. Problems are: Problem set: 0 solved, 382 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 95/225 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 5 (OVERLAPS) 1/268 variables, 1/226 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/268 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 7 (OVERLAPS) 1/269 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/269 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 9 (OVERLAPS) 0/269 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 382 unsolved
No progress, stopping.
After SMT solving in domain Real declared 269/269 variables, and 227 constraints, problems are : Problem set: 0 solved, 382 unsolved in 14846 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 111/111 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 382/382 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 382 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 2 (OVERLAPS) 157/267 variables, 110/130 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/267 variables, 95/225 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 382/607 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/607 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 6 (OVERLAPS) 1/268 variables, 1/608 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/268 variables, 0/608 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 8 (OVERLAPS) 1/269 variables, 1/609 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/269 variables, 0/609 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 10 (OVERLAPS) 0/269 variables, 0/609 constraints. Problems are: Problem set: 0 solved, 382 unsolved
No progress, stopping.
After SMT solving in domain Int declared 269/269 variables, and 609 constraints, problems are : Problem set: 0 solved, 382 unsolved in 24890 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 111/111 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 382/382 constraints, Known Traps: 0/0 constraints]
After SMT, in 40154ms problems are : Problem set: 0 solved, 382 unsolved
Search for dead transitions found 0 dead transitions in 40159ms
Starting structural reductions in SI_LTL mode, iteration 1 : 111/164 places, 383/534 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 40925 ms. Remains : 111/164 places, 383/534 transitions.
Stuttering acceptance computed with spot in 344 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-00
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 3 ms.
FORMULA CloudDeployment-PT-5a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-5a-LTLFireability-00 finished in 41335 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(p0)&&F(p1)&&F((p2 U (G(p2)||(p2&&G(!p3))))))))'
Support contains 7 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 7 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:27:58] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
// Phase 1: matrix 295 rows 164 cols
[2024-06-01 02:27:58] [INFO ] Computed 20 invariants in 3 ms
[2024-06-01 02:27:58] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-06-01 02:27:58] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:27:58] [INFO ] Invariant cache hit.
[2024-06-01 02:27:58] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:27:58] [INFO ] Implicit Places using invariants and state equation in 190 ms returned []
Implicit Place search using SMT with State Equation took 300 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:27:58] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:27:58] [INFO ] Invariant cache hit.
[2024-06-01 02:27:58] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30044 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30025 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60695ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60700ms
Finished structural reductions in LTL mode , in 1 iterations and 61016 ms. Remains : 164/164 places, 534/534 transitions.
Stuttering acceptance computed with spot in 354 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (OR (NOT p2) (NOT p1) (NOT p0)), (NOT p0), (NOT p1), (NOT p2), (AND p3 (NOT p2)), true]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-01
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudDeployment-PT-5a-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-5a-LTLFireability-01 finished in 61406 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&F(G(p1))))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Graph (trivial) has 193 edges and 164 vertex of which 49 / 164 are part of one of the 15 SCC in 0 ms
Free SCC test removed 34 places
Ensure Unique test removed 88 transitions
Reduce isomorphic transitions removed 88 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 5 place count 126 transition count 418
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 126 transition count 418
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -44
Deduced a syphon composed of 14 places in 0 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 0 with 28 rules applied. Total rules applied 37 place count 112 transition count 462
Drop transitions (Redundant composition of simpler transitions.) removed 78 transitions
Redundant transition composition rules discarded 78 transitions
Iterating global reduction 0 with 78 rules applied. Total rules applied 115 place count 112 transition count 384
Applied a total of 115 rules in 46 ms. Remains 112 /164 variables (removed 52) and now considering 384/534 (removed 150) transitions.
[2024-06-01 02:28:59] [INFO ] Flow matrix only has 159 transitions (discarded 225 similar events)
// Phase 1: matrix 159 rows 112 cols
[2024-06-01 02:28:59] [INFO ] Computed 20 invariants in 1 ms
[2024-06-01 02:28:59] [INFO ] Implicit Places using invariants in 128 ms returned []
[2024-06-01 02:28:59] [INFO ] Flow matrix only has 159 transitions (discarded 225 similar events)
[2024-06-01 02:28:59] [INFO ] Invariant cache hit.
[2024-06-01 02:28:59] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:28:59] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 325 ms to find 0 implicit places.
[2024-06-01 02:29:00] [INFO ] Redundant transitions in 219 ms returned []
Running 383 sub problems to find dead transitions.
[2024-06-01 02:29:00] [INFO ] Flow matrix only has 159 transitions (discarded 225 similar events)
[2024-06-01 02:29:00] [INFO ] Invariant cache hit.
[2024-06-01 02:29:00] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 2 (OVERLAPS) 158/269 variables, 111/131 constraints. Problems are: Problem set: 0 solved, 383 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/269 variables, 95/226 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 0/226 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 5 (OVERLAPS) 1/270 variables, 1/227 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/270 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 7 (OVERLAPS) 1/271 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/271 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 9 (OVERLAPS) 0/271 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 383 unsolved
No progress, stopping.
After SMT solving in domain Real declared 271/271 variables, and 228 constraints, problems are : Problem set: 0 solved, 383 unsolved in 14389 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 112/112 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 383/383 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 383 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 2 (OVERLAPS) 158/269 variables, 111/131 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/269 variables, 95/226 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/269 variables, 383/609 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/269 variables, 0/609 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 6 (OVERLAPS) 1/270 variables, 1/610 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/270 variables, 0/610 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 8 (OVERLAPS) 1/271 variables, 1/611 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/271 variables, 0/611 constraints. Problems are: Problem set: 0 solved, 383 unsolved
At refinement iteration 10 (OVERLAPS) 0/271 variables, 0/611 constraints. Problems are: Problem set: 0 solved, 383 unsolved
No progress, stopping.
After SMT solving in domain Int declared 271/271 variables, and 611 constraints, problems are : Problem set: 0 solved, 383 unsolved in 23832 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 112/112 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 383/383 constraints, Known Traps: 0/0 constraints]
After SMT, in 38475ms problems are : Problem set: 0 solved, 383 unsolved
Search for dead transitions found 0 dead transitions in 38479ms
Starting structural reductions in SI_LTL mode, iteration 1 : 112/164 places, 384/534 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 39081 ms. Remains : 112/164 places, 384/534 transitions.
Stuttering acceptance computed with spot in 124 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-02
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA CloudDeployment-PT-5a-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-5a-LTLFireability-02 finished in 39222 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||(p1 U (p2||G(p1)))))) U p3))'
Support contains 9 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Graph (trivial) has 189 edges and 164 vertex of which 49 / 164 are part of one of the 15 SCC in 1 ms
Free SCC test removed 34 places
Ensure Unique test removed 93 transitions
Reduce isomorphic transitions removed 93 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 5 place count 126 transition count 413
Iterating global reduction 0 with 4 rules applied. Total rules applied 9 place count 126 transition count 413
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: -43
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 0 with 26 rules applied. Total rules applied 35 place count 113 transition count 456
Drop transitions (Redundant composition of simpler transitions.) removed 73 transitions
Redundant transition composition rules discarded 73 transitions
Iterating global reduction 0 with 73 rules applied. Total rules applied 108 place count 113 transition count 383
Partial Post-agglomeration rule applied 3 times.
Drop transitions (Partial Post agglomeration) removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 111 place count 113 transition count 383
Applied a total of 111 rules in 51 ms. Remains 113 /164 variables (removed 51) and now considering 383/534 (removed 151) transitions.
[2024-06-01 02:29:38] [INFO ] Flow matrix only has 163 transitions (discarded 220 similar events)
// Phase 1: matrix 163 rows 113 cols
[2024-06-01 02:29:38] [INFO ] Computed 20 invariants in 1 ms
[2024-06-01 02:29:38] [INFO ] Implicit Places using invariants in 102 ms returned []
[2024-06-01 02:29:38] [INFO ] Flow matrix only has 163 transitions (discarded 220 similar events)
[2024-06-01 02:29:38] [INFO ] Invariant cache hit.
[2024-06-01 02:29:39] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:29:39] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 310 ms to find 0 implicit places.
[2024-06-01 02:29:39] [INFO ] Redundant transitions in 217 ms returned []
Running 382 sub problems to find dead transitions.
[2024-06-01 02:29:39] [INFO ] Flow matrix only has 163 transitions (discarded 220 similar events)
[2024-06-01 02:29:39] [INFO ] Invariant cache hit.
[2024-06-01 02:29:39] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 2 (OVERLAPS) 162/274 variables, 112/132 constraints. Problems are: Problem set: 0 solved, 382 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/274 variables, 95/227 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 0/227 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 5 (OVERLAPS) 1/275 variables, 1/228 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/275 variables, 0/228 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 7 (OVERLAPS) 1/276 variables, 1/229 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/276 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 9 (OVERLAPS) 0/276 variables, 0/229 constraints. Problems are: Problem set: 0 solved, 382 unsolved
No progress, stopping.
After SMT solving in domain Real declared 276/276 variables, and 229 constraints, problems are : Problem set: 0 solved, 382 unsolved in 13517 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 113/113 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 382/382 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 382 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 2 (OVERLAPS) 162/274 variables, 112/132 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/274 variables, 95/227 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/274 variables, 382/609 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/274 variables, 0/609 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 6 (OVERLAPS) 1/275 variables, 1/610 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/275 variables, 0/610 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 8 (OVERLAPS) 1/276 variables, 1/611 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/276 variables, 0/611 constraints. Problems are: Problem set: 0 solved, 382 unsolved
At refinement iteration 10 (OVERLAPS) 0/276 variables, 0/611 constraints. Problems are: Problem set: 0 solved, 382 unsolved
No progress, stopping.
After SMT solving in domain Int declared 276/276 variables, and 611 constraints, problems are : Problem set: 0 solved, 382 unsolved in 23047 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 113/113 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 382/382 constraints, Known Traps: 0/0 constraints]
After SMT, in 36838ms problems are : Problem set: 0 solved, 382 unsolved
Search for dead transitions found 0 dead transitions in 36842ms
Starting structural reductions in SI_LTL mode, iteration 1 : 113/164 places, 383/534 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 37426 ms. Remains : 113/164 places, 383/534 transitions.
Stuttering acceptance computed with spot in 155 ms :[(NOT p3), (AND p0 (NOT p2) (NOT p1)), (AND p0 (NOT p2) (NOT p1))]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-03
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 2 ms.
FORMULA CloudDeployment-PT-5a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-5a-LTLFireability-03 finished in 37597 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(p1))))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 4 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:30:16] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
// Phase 1: matrix 295 rows 164 cols
[2024-06-01 02:30:16] [INFO ] Computed 20 invariants in 2 ms
[2024-06-01 02:30:16] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-06-01 02:30:16] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:30:16] [INFO ] Invariant cache hit.
[2024-06-01 02:30:16] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:30:16] [INFO ] Implicit Places using invariants and state equation in 196 ms returned []
Implicit Place search using SMT with State Equation took 271 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:30:16] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:30:16] [INFO ] Invariant cache hit.
[2024-06-01 02:30:16] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30043 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60542ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60550ms
Finished structural reductions in LTL mode , in 1 iterations and 60827 ms. Remains : 164/164 places, 534/534 transitions.
Stuttering acceptance computed with spot in 187 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-04
Product exploration explored 100000 steps with 50000 reset in 1550 ms.
Product exploration explored 100000 steps with 50000 reset in 1436 ms.
Computed a total of 79 stabilizing places and 364 stable transitions
Graph (complete) has 1502 edges and 164 vertex of which 163 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.4 ms
Computed a total of 79 stabilizing places and 364 stable transitions
Knowledge obtained : [(AND p1 (NOT p0)), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X p0), (X p1), (X (X (NOT (AND p0 (NOT p1))))), (X (X p1)), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1))))]
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 9 factoid took 16 ms. Reduced automaton from 4 states, 6 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudDeployment-PT-5a-LTLFireability-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudDeployment-PT-5a-LTLFireability-04 finished in 64049 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Graph (trivial) has 200 edges and 164 vertex of which 50 / 164 are part of one of the 15 SCC in 0 ms
Free SCC test removed 35 places
Ensure Unique test removed 95 transitions
Reduce isomorphic transitions removed 95 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 124 transition count 404
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 124 transition count 404
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 41 place count 109 transition count 449
Drop transitions (Redundant composition of simpler transitions.) removed 80 transitions
Redundant transition composition rules discarded 80 transitions
Iterating global reduction 0 with 80 rules applied. Total rules applied 121 place count 109 transition count 369
Applied a total of 121 rules in 31 ms. Remains 109 /164 variables (removed 55) and now considering 369/534 (removed 165) transitions.
[2024-06-01 02:31:20] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
// Phase 1: matrix 155 rows 109 cols
[2024-06-01 02:31:20] [INFO ] Computed 20 invariants in 1 ms
[2024-06-01 02:31:20] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-01 02:31:20] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:31:20] [INFO ] Invariant cache hit.
[2024-06-01 02:31:20] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:31:20] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2024-06-01 02:31:20] [INFO ] Redundant transitions in 202 ms returned []
Running 368 sub problems to find dead transitions.
[2024-06-01 02:31:20] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:31:20] [INFO ] Invariant cache hit.
[2024-06-01 02:31:20] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (OVERLAPS) 1/263 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (OVERLAPS) 1/264 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (OVERLAPS) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 225 constraints, problems are : Problem set: 0 solved, 368 unsolved in 13864 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 368 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 368/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (OVERLAPS) 1/263 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 593 constraints, problems are : Problem set: 0 solved, 368 unsolved in 22452 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
After SMT, in 36575ms problems are : Problem set: 0 solved, 368 unsolved
Search for dead transitions found 0 dead transitions in 36584ms
Starting structural reductions in SI_LTL mode, iteration 1 : 109/164 places, 369/534 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 37045 ms. Remains : 109/164 places, 369/534 transitions.
Stuttering acceptance computed with spot in 84 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-06
Product exploration explored 100000 steps with 2 reset in 143 ms.
Product exploration explored 100000 steps with 1 reset in 151 ms.
Computed a total of 64 stabilizing places and 279 stable transitions
Graph (complete) has 1212 edges and 109 vertex of which 108 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 64 stabilizing places and 279 stable transitions
Detected a total of 64/109 stabilizing places and 279/369 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 156 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 107 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 107 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 55 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 65 ms :[(NOT p0), (NOT p0)]
[2024-06-01 02:31:58] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:31:58] [INFO ] Invariant cache hit.
[2024-06-01 02:31:58] [INFO ] [Real]Absence check using 0 positive and 20 generalized place invariants in 19 ms returned sat
[2024-06-01 02:31:58] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-06-01 02:31:58] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 02:31:58] [INFO ] [Nat]Absence check using 0 positive and 20 generalized place invariants in 4 ms returned sat
[2024-06-01 02:31:58] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-06-01 02:31:58] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:31:58] [INFO ] [Nat]Added 96 Read/Feed constraints in 8 ms returned sat
[2024-06-01 02:31:58] [INFO ] Computed and/alt/rep : 140/482/140 causal constraints (skipped 14 transitions) in 19 ms.
[2024-06-01 02:31:58] [INFO ] Added : 0 causal constraints over 0 iterations in 46 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 109 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 109/109 places, 369/369 transitions.
Applied a total of 0 rules in 24 ms. Remains 109 /109 variables (removed 0) and now considering 369/369 (removed 0) transitions.
[2024-06-01 02:31:58] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:31:58] [INFO ] Invariant cache hit.
[2024-06-01 02:31:58] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-06-01 02:31:58] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:31:58] [INFO ] Invariant cache hit.
[2024-06-01 02:31:58] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:31:59] [INFO ] Implicit Places using invariants and state equation in 204 ms returned []
Implicit Place search using SMT with State Equation took 278 ms to find 0 implicit places.
[2024-06-01 02:31:59] [INFO ] Redundant transitions in 200 ms returned []
Running 368 sub problems to find dead transitions.
[2024-06-01 02:31:59] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:31:59] [INFO ] Invariant cache hit.
[2024-06-01 02:31:59] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (OVERLAPS) 1/263 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (OVERLAPS) 1/264 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (OVERLAPS) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 225 constraints, problems are : Problem set: 0 solved, 368 unsolved in 13425 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 368 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 368/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (OVERLAPS) 1/263 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 593 constraints, problems are : Problem set: 0 solved, 368 unsolved in 21940 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
After SMT, in 35583ms problems are : Problem set: 0 solved, 368 unsolved
Search for dead transitions found 0 dead transitions in 35590ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 36110 ms. Remains : 109/109 places, 369/369 transitions.
Computed a total of 64 stabilizing places and 279 stable transitions
Graph (complete) has 1212 edges and 109 vertex of which 108 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 64 stabilizing places and 279 stable transitions
Detected a total of 64/109 stabilizing places and 279/369 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 202 ms :[(NOT p0), (NOT p0)]
RANDOM walk for 4 steps (0 resets) in 5 ms. (0 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 109 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 88 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
[2024-06-01 02:32:35] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:32:35] [INFO ] Invariant cache hit.
[2024-06-01 02:32:35] [INFO ] [Real]Absence check using 0 positive and 20 generalized place invariants in 3 ms returned sat
[2024-06-01 02:32:35] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-06-01 02:32:35] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 02:32:35] [INFO ] [Nat]Absence check using 0 positive and 20 generalized place invariants in 3 ms returned sat
[2024-06-01 02:32:35] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-06-01 02:32:35] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:32:35] [INFO ] [Nat]Added 96 Read/Feed constraints in 9 ms returned sat
[2024-06-01 02:32:35] [INFO ] Computed and/alt/rep : 140/482/140 causal constraints (skipped 14 transitions) in 15 ms.
[2024-06-01 02:32:35] [INFO ] Added : 0 causal constraints over 0 iterations in 30 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 90 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 0 reset in 59 ms.
Product exploration explored 100000 steps with 2 reset in 65 ms.
Support contains 2 out of 109 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 109/109 places, 369/369 transitions.
Applied a total of 0 rules in 9 ms. Remains 109 /109 variables (removed 0) and now considering 369/369 (removed 0) transitions.
[2024-06-01 02:32:36] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:32:36] [INFO ] Invariant cache hit.
[2024-06-01 02:32:36] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-06-01 02:32:36] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:32:36] [INFO ] Invariant cache hit.
[2024-06-01 02:32:36] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:32:36] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2024-06-01 02:32:36] [INFO ] Redundant transitions in 208 ms returned []
Running 368 sub problems to find dead transitions.
[2024-06-01 02:32:36] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:32:36] [INFO ] Invariant cache hit.
[2024-06-01 02:32:36] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (OVERLAPS) 1/263 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (OVERLAPS) 1/264 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (OVERLAPS) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 225 constraints, problems are : Problem set: 0 solved, 368 unsolved in 13696 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 368 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 368/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (OVERLAPS) 1/263 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 593 constraints, problems are : Problem set: 0 solved, 368 unsolved in 21750 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
After SMT, in 35699ms problems are : Problem set: 0 solved, 368 unsolved
Search for dead transitions found 0 dead transitions in 35705ms
Finished structural reductions in SI_LTL mode , in 1 iterations and 36157 ms. Remains : 109/109 places, 369/369 transitions.
Treatment of property CloudDeployment-PT-5a-LTLFireability-06 finished in 111832 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||F(G(p1)))))'
Support contains 7 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 1 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:33:12] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
// Phase 1: matrix 295 rows 164 cols
[2024-06-01 02:33:12] [INFO ] Computed 20 invariants in 1 ms
[2024-06-01 02:33:12] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-06-01 02:33:12] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:33:12] [INFO ] Invariant cache hit.
[2024-06-01 02:33:12] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:33:12] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 241 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:33:12] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:33:12] [INFO ] Invariant cache hit.
[2024-06-01 02:33:12] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 29602 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30027 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60090ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60095ms
Finished structural reductions in LTL mode , in 1 iterations and 60341 ms. Remains : 164/164 places, 534/534 transitions.
Stuttering acceptance computed with spot in 107 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-08
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudDeployment-PT-5a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-5a-LTLFireability-08 finished in 60463 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||(p1&&(p2||X(G(p3)))))))'
Support contains 6 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 3 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:34:12] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:34:12] [INFO ] Invariant cache hit.
[2024-06-01 02:34:12] [INFO ] Implicit Places using invariants in 113 ms returned []
[2024-06-01 02:34:12] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:34:12] [INFO ] Invariant cache hit.
[2024-06-01 02:34:12] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:34:13] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 337 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:34:13] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:34:13] [INFO ] Invariant cache hit.
[2024-06-01 02:34:13] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 29617 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30030 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60174ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60179ms
Finished structural reductions in LTL mode , in 1 iterations and 60521 ms. Remains : 164/164 places, 534/534 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (OR (AND (NOT p0) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p1))), (NOT p3)]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-09
Product exploration explored 100000 steps with 50000 reset in 1275 ms.
Product exploration explored 100000 steps with 50000 reset in 1268 ms.
Computed a total of 79 stabilizing places and 364 stable transitions
Graph (complete) has 1502 edges and 164 vertex of which 163 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.12 ms
Computed a total of 79 stabilizing places and 364 stable transitions
Detected a total of 79/164 stabilizing places and 364/534 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/4 atomic propositions.
Knowledge obtained : [(AND p0 p1 (NOT p2) p3), (X (NOT p2)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X p0), (X p1), (X (X p3)), (F (OR (G p1) (G (NOT p1))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge (Minato strategy)
Knowledge based reduction with 8 factoid took 19 ms. Reduced automaton from 4 states, 6 edges and 4 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA CloudDeployment-PT-5a-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property CloudDeployment-PT-5a-LTLFireability-09 finished in 63284 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(((X(X(!p0))&&F(p1))||G(!p0)))))'
Support contains 8 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 5 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:35:16] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:35:16] [INFO ] Invariant cache hit.
[2024-06-01 02:35:16] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-06-01 02:35:16] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:35:16] [INFO ] Invariant cache hit.
[2024-06-01 02:35:16] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:35:16] [INFO ] Implicit Places using invariants and state equation in 192 ms returned []
Implicit Place search using SMT with State Equation took 267 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:35:16] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:35:16] [INFO ] Invariant cache hit.
[2024-06-01 02:35:16] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 29748 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30024 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60251ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60258ms
Finished structural reductions in LTL mode , in 1 iterations and 60532 ms. Remains : 164/164 places, 534/534 transitions.
Stuttering acceptance computed with spot in 270 ms :[p0, p0, (AND (NOT p1) p0), p0, (AND (NOT p1) p0), p0]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-13
Product exploration explored 100000 steps with 25000 reset in 871 ms.
Product exploration explored 100000 steps with 25000 reset in 817 ms.
Computed a total of 79 stabilizing places and 364 stable transitions
Graph (complete) has 1502 edges and 164 vertex of which 163 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.2 ms
Computed a total of 79 stabilizing places and 364 stable transitions
Detected a total of 79/164 stabilizing places and 364/534 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/2 atomic propositions.
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 119 ms. Reduced automaton from 6 states, 10 edges and 2 AP (stutter sensitive) to 6 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 243 ms :[p0, p0, (AND (NOT p1) p0), p0, (AND (NOT p1) p0), p0]
Reduction of identical properties reduced properties to check from 4 to 3
RANDOM walk for 40000 steps (532 resets) in 176 ms. (225 steps per ms) remains 1/3 properties
BEST_FIRST walk for 40004 steps (56 resets) in 217 ms. (183 steps per ms) remains 1/1 properties
[2024-06-01 02:36:19] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:36:19] [INFO ] Invariant cache hit.
[2024-06-01 02:36:19] [INFO ] State equation strengthened by 126 read => feed constraints.
Problem apf0 is UNSAT
After SMT solving in domain Real declared 8/459 variables, and 0 constraints, problems are : Problem set: 1 solved, 0 unsolved in 18 ms.
Refiners :[Generalized P Invariants (flows): 0/20 constraints, State Equation: 0/164 constraints, ReadFeed: 0/126 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 44ms problems are : Problem set: 1 solved, 0 unsolved
Skipping Parikh replay, no witness traces provided.
Found 1 invariant AP formulas.
Knowledge obtained : [(AND p1 (NOT p0)), (X p1), (X (X p1)), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p1) p0)))), (F (OR (G p0) (G (NOT p0)))), (G (OR p1 p0))]
False Knowledge obtained : [(F (NOT p1)), (F (NOT (OR p1 (NOT p0)))), (F p0)]
Knowledge based reduction with 8 factoid took 255 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 144 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 256 ms :[p0, p0, p0, p0]
Support contains 5 out of 164 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 5 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:36:19] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:36:19] [INFO ] Invariant cache hit.
[2024-06-01 02:36:19] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-06-01 02:36:19] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:36:19] [INFO ] Invariant cache hit.
[2024-06-01 02:36:19] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:36:20] [INFO ] Implicit Places using invariants and state equation in 187 ms returned []
Implicit Place search using SMT with State Equation took 270 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:36:20] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:36:20] [INFO ] Invariant cache hit.
[2024-06-01 02:36:20] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30014 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30016 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60510ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60515ms
Finished structural reductions in LTL mode , in 1 iterations and 60792 ms. Remains : 164/164 places, 534/534 transitions.
Computed a total of 79 stabilizing places and 364 stable transitions
Graph (complete) has 1502 edges and 164 vertex of which 163 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 ms
Computed a total of 79 stabilizing places and 364 stable transitions
Detected a total of 79/164 stabilizing places and 364/534 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 90 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 142 ms :[p0, p0, p0, p0]
RANDOM walk for 8903 steps (122 resets) in 35 ms. (247 steps per ms) remains 0/1 properties
Knowledge obtained : [(NOT p0), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 2 factoid took 129 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 165 ms :[p0, p0, p0, p0]
Stuttering acceptance computed with spot in 140 ms :[p0, p0, p0, p0]
Product exploration explored 100000 steps with 25000 reset in 839 ms.
Product exploration explored 100000 steps with 25000 reset in 808 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 155 ms :[p0, p0, p0, p0]
Support contains 5 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Graph (trivial) has 197 edges and 164 vertex of which 50 / 164 are part of one of the 15 SCC in 0 ms
Free SCC test removed 35 places
Ensure Unique test removed 95 transitions
Reduce isomorphic transitions removed 95 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 124 transition count 404
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 124 transition count 404
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: -76
Deduced a syphon composed of 14 places in 0 ms
Iterating global reduction 0 with 14 rules applied. Total rules applied 25 place count 124 transition count 480
Deduced a syphon composed of 14 places in 0 ms
Drop transitions (Redundant composition of simpler transitions.) removed 89 transitions
Redundant transition composition rules discarded 89 transitions
Iterating global reduction 0 with 89 rules applied. Total rules applied 114 place count 124 transition count 391
Deduced a syphon composed of 14 places in 0 ms
Applied a total of 114 rules in 32 ms. Remains 124 /164 variables (removed 40) and now considering 391/534 (removed 143) transitions.
[2024-06-01 02:37:23] [INFO ] Redundant transitions in 211 ms returned []
Running 390 sub problems to find dead transitions.
[2024-06-01 02:37:23] [INFO ] Flow matrix only has 177 transitions (discarded 214 similar events)
// Phase 1: matrix 177 rows 124 cols
[2024-06-01 02:37:23] [INFO ] Computed 20 invariants in 2 ms
[2024-06-01 02:37:23] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/123 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 390 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/123 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 390 unsolved
Problem TDEAD3 is UNSAT
Problem TDEAD6 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD17 is UNSAT
Problem TDEAD19 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD33 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD66 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD71 is UNSAT
Problem TDEAD72 is UNSAT
Problem TDEAD82 is UNSAT
At refinement iteration 2 (OVERLAPS) 176/299 variables, 123/143 constraints. Problems are: Problem set: 19 solved, 371 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/299 variables, 95/238 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/299 variables, 0/238 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 5 (OVERLAPS) 1/300 variables, 1/239 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/300 variables, 0/239 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 7 (OVERLAPS) 1/301 variables, 1/240 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/301 variables, 0/240 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 9 (OVERLAPS) 0/301 variables, 0/240 constraints. Problems are: Problem set: 19 solved, 371 unsolved
No progress, stopping.
After SMT solving in domain Real declared 301/301 variables, and 240 constraints, problems are : Problem set: 19 solved, 371 unsolved in 14320 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 124/124 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 390/390 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 19 solved, 371 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/109 variables, 15/15 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/109 variables, 0/15 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 2 (OVERLAPS) 14/123 variables, 5/20 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/123 variables, 0/20 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 4 (OVERLAPS) 176/299 variables, 123/143 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/299 variables, 95/238 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/299 variables, 371/609 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/299 variables, 0/609 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 8 (OVERLAPS) 1/300 variables, 1/610 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/300 variables, 0/610 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 10 (OVERLAPS) 1/301 variables, 1/611 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/301 variables, 0/611 constraints. Problems are: Problem set: 19 solved, 371 unsolved
At refinement iteration 12 (OVERLAPS) 0/301 variables, 0/611 constraints. Problems are: Problem set: 19 solved, 371 unsolved
No progress, stopping.
After SMT solving in domain Int declared 301/301 variables, and 611 constraints, problems are : Problem set: 19 solved, 371 unsolved in 25876 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 124/124 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 371/390 constraints, Known Traps: 0/0 constraints]
After SMT, in 40457ms problems are : Problem set: 19 solved, 371 unsolved
Search for dead transitions found 19 dead transitions in 40462ms
Found 19 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 19 transitions
Dead transitions reduction (with SMT) removed 19 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 124/164 places, 372/534 transitions.
Graph (complete) has 1215 edges and 124 vertex of which 110 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.2 ms
Discarding 14 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 14 ms. Remains 110 /124 variables (removed 14) and now considering 372/372 (removed 0) transitions.
Starting structural reductions in SI_LTL mode, iteration 2 : 110/164 places, 372/534 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 40732 ms. Remains : 110/164 places, 372/534 transitions.
Support contains 5 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 2 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:38:04] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
// Phase 1: matrix 295 rows 164 cols
[2024-06-01 02:38:04] [INFO ] Computed 20 invariants in 2 ms
[2024-06-01 02:38:04] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-06-01 02:38:04] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:38:04] [INFO ] Invariant cache hit.
[2024-06-01 02:38:04] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:38:04] [INFO ] Implicit Places using invariants and state equation in 200 ms returned []
Implicit Place search using SMT with State Equation took 274 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:38:04] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:38:04] [INFO ] Invariant cache hit.
[2024-06-01 02:38:04] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 29598 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30018 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60099ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60108ms
Finished structural reductions in LTL mode , in 1 iterations and 60386 ms. Remains : 164/164 places, 534/534 transitions.
Treatment of property CloudDeployment-PT-5a-LTLFireability-13 finished in 228591 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||X(F(p1))))'
Support contains 7 out of 164 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Applied a total of 0 rules in 2 ms. Remains 164 /164 variables (removed 0) and now considering 534/534 (removed 0) transitions.
[2024-06-01 02:39:04] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:39:04] [INFO ] Invariant cache hit.
[2024-06-01 02:39:04] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-06-01 02:39:04] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:39:04] [INFO ] Invariant cache hit.
[2024-06-01 02:39:04] [INFO ] State equation strengthened by 126 read => feed constraints.
[2024-06-01 02:39:04] [INFO ] Implicit Places using invariants and state equation in 201 ms returned []
Implicit Place search using SMT with State Equation took 268 ms to find 0 implicit places.
Running 533 sub problems to find dead transitions.
[2024-06-01 02:39:04] [INFO ] Flow matrix only has 295 transitions (discarded 239 similar events)
[2024-06-01 02:39:04] [INFO ] Invariant cache hit.
[2024-06-01 02:39:04] [INFO ] State equation strengthened by 126 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 0/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (OVERLAPS) 1/458 variables, 1/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/458 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (OVERLAPS) 1/459 variables, 1/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 9 (OVERLAPS) 0/459 variables, 0/310 constraints. Problems are: Problem set: 0 solved, 533 unsolved
No progress, stopping.
After SMT solving in domain Real declared 459/459 variables, and 310 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30010 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 533 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/163 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/163 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 2 (OVERLAPS) 294/457 variables, 163/183 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/457 variables, 125/308 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/457 variables, 533/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/457 variables, 0/841 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 6 (OVERLAPS) 1/458 variables, 1/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/458 variables, 0/842 constraints. Problems are: Problem set: 0 solved, 533 unsolved
At refinement iteration 8 (OVERLAPS) 1/459 variables, 1/843 constraints. Problems are: Problem set: 0 solved, 533 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 459/459 variables, and 843 constraints, problems are : Problem set: 0 solved, 533 unsolved in 30019 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 164/164 constraints, ReadFeed: 126/126 constraints, PredecessorRefiner: 533/533 constraints, Known Traps: 0/0 constraints]
After SMT, in 60511ms problems are : Problem set: 0 solved, 533 unsolved
Search for dead transitions found 0 dead transitions in 60519ms
Finished structural reductions in LTL mode , in 1 iterations and 60791 ms. Remains : 164/164 places, 534/534 transitions.
Stuttering acceptance computed with spot in 97 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-14
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA CloudDeployment-PT-5a-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-5a-LTLFireability-14 finished in 60911 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 164 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 164/164 places, 534/534 transitions.
Graph (trivial) has 200 edges and 164 vertex of which 50 / 164 are part of one of the 15 SCC in 1 ms
Free SCC test removed 35 places
Ensure Unique test removed 95 transitions
Reduce isomorphic transitions removed 95 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 6 place count 124 transition count 404
Iterating global reduction 0 with 5 rules applied. Total rules applied 11 place count 124 transition count 404
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: -45
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 0 with 30 rules applied. Total rules applied 41 place count 109 transition count 449
Drop transitions (Redundant composition of simpler transitions.) removed 80 transitions
Redundant transition composition rules discarded 80 transitions
Iterating global reduction 0 with 80 rules applied. Total rules applied 121 place count 109 transition count 369
Applied a total of 121 rules in 39 ms. Remains 109 /164 variables (removed 55) and now considering 369/534 (removed 165) transitions.
[2024-06-01 02:40:05] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
// Phase 1: matrix 155 rows 109 cols
[2024-06-01 02:40:05] [INFO ] Computed 20 invariants in 2 ms
[2024-06-01 02:40:05] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-06-01 02:40:05] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:40:05] [INFO ] Invariant cache hit.
[2024-06-01 02:40:05] [INFO ] State equation strengthened by 96 read => feed constraints.
[2024-06-01 02:40:05] [INFO ] Implicit Places using invariants and state equation in 163 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
[2024-06-01 02:40:06] [INFO ] Redundant transitions in 218 ms returned []
Running 368 sub problems to find dead transitions.
[2024-06-01 02:40:06] [INFO ] Flow matrix only has 155 transitions (discarded 214 similar events)
[2024-06-01 02:40:06] [INFO ] Invariant cache hit.
[2024-06-01 02:40:06] [INFO ] State equation strengthened by 96 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (OVERLAPS) 1/263 variables, 1/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/263 variables, 0/224 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (OVERLAPS) 1/264 variables, 1/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (OVERLAPS) 0/264 variables, 0/225 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Real declared 264/264 variables, and 225 constraints, problems are : Problem set: 0 solved, 368 unsolved in 13722 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 368 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/108 variables, 20/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/108 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 2 (OVERLAPS) 154/262 variables, 108/128 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 95/223 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 368/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/591 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 6 (OVERLAPS) 1/263 variables, 1/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/263 variables, 0/592 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 8 (OVERLAPS) 1/264 variables, 1/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
At refinement iteration 10 (OVERLAPS) 0/264 variables, 0/593 constraints. Problems are: Problem set: 0 solved, 368 unsolved
No progress, stopping.
After SMT solving in domain Int declared 264/264 variables, and 593 constraints, problems are : Problem set: 0 solved, 368 unsolved in 22269 ms.
Refiners :[Generalized P Invariants (flows): 20/20 constraints, State Equation: 109/109 constraints, ReadFeed: 96/96 constraints, PredecessorRefiner: 368/368 constraints, Known Traps: 0/0 constraints]
After SMT, in 36260ms problems are : Problem set: 0 solved, 368 unsolved
Search for dead transitions found 0 dead transitions in 36264ms
Starting structural reductions in SI_LTL mode, iteration 1 : 109/164 places, 369/534 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 36760 ms. Remains : 109/164 places, 369/534 transitions.
Stuttering acceptance computed with spot in 92 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : CloudDeployment-PT-5a-LTLFireability-15
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA CloudDeployment-PT-5a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property CloudDeployment-PT-5a-LTLFireability-15 finished in 36866 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)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202405141337/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(((X(X(!p0))&&F(p1))||G(!p0)))))'
[2024-06-01 02:40:42] [INFO ] Flatten gal took : 38 ms
[2024-06-01 02:40:42] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2024-06-01 02:40:42] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 164 places, 534 transitions and 3415 arcs took 6 ms.
Total runtime 869517 ms.
There are residual formulas that ITS could not solve within timeout
FORMULA CloudDeployment-PT-5a-LTLFireability-06 FALSE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN
FORMULA CloudDeployment-PT-5a-LTLFireability-13 TRUE TECHNIQUES EXPLICIT PARALLEL_PROCESSING USE_NUPN

BK_STOP 1717209663645

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2024
ltl formula name CloudDeployment-PT-5a-LTLFireability-06
ltl formula formula --ltl=/tmp/1340/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 164 places, 534 transitions and 3415 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.060 real 0.020 user 0.010 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1340/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1340/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1340/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1340/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 166 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 165, there are 543 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 3/ 4): ~1073 levels ~10000 states ~101468 transitions
pnml2lts-mc( 3/ 4): ~1073 levels ~20000 states ~207172 transitions
pnml2lts-mc( 3/ 4): ~1100 levels ~40000 states ~430988 transitions
pnml2lts-mc( 3/ 4): ~1100 levels ~80000 states ~890564 transitions
pnml2lts-mc( 3/ 4): ~4613 levels ~160000 states ~1878880 transitions
pnml2lts-mc( 3/ 4): ~12131 levels ~320000 states ~3990604 transitions
pnml2lts-mc( 0/ 4): ~12665 levels ~640000 states ~7761716 transitions
pnml2lts-mc( 3/ 4): ~12268 levels ~1280000 states ~16249520 transitions
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 3/ 4): Accepting cycle FOUND at depth ~3567!
pnml2lts-mc( 3/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 28158
pnml2lts-mc( 0/ 4): unique states count: 2264336
pnml2lts-mc( 0/ 4): unique transitions count: 29417649
pnml2lts-mc( 0/ 4): - self-loop count: 13609111
pnml2lts-mc( 0/ 4): - claim dead count: 5105979
pnml2lts-mc( 0/ 4): - claim found count: 8419845
pnml2lts-mc( 0/ 4): - claim success count: 2264534
pnml2lts-mc( 0/ 4): - cum. max stack depth: 51567
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 2264897 states 29424797 transitions, fanout: 12.992
pnml2lts-mc( 0/ 4): Total exploration time 20.000 sec (20.000 sec minimum, 20.000 sec on average)
pnml2lts-mc( 0/ 4): States per second: 113245, Transitions per second: 1471240
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 17.8MB, 8.2 B/state, compr.: 1.2%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 6.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 546 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 17.8MB (~256.0MB paged-in)
ltl formula name CloudDeployment-PT-5a-LTLFireability-13
ltl formula formula --ltl=/tmp/1340/ltl_1_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 164 places, 534 transitions and 3415 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1340/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1340/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1340/ltl_1_
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.130 real 0.030 user 0.030 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1340/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4): There are 166 state labels and 1 edge labels
pnml2lts-mc( 0/ 4): State length is 165, there are 538 groups
pnml2lts-mc( 0/ 4): Running ufscc using 4 cores
pnml2lts-mc( 0/ 4): Using a tree table with 2^25 elements
pnml2lts-mc( 0/ 4): Successor permutation: dynamic
pnml2lts-mc( 0/ 4): Global bits: 0, count bits: 0, local bits: 0
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Empty product with LTL!
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): total scc count: 231
pnml2lts-mc( 0/ 4): unique states count: 231
pnml2lts-mc( 0/ 4): unique transitions count: 693
pnml2lts-mc( 0/ 4): - self-loop count: 0
pnml2lts-mc( 0/ 4): - claim dead count: 523
pnml2lts-mc( 0/ 4): - claim found count: 0
pnml2lts-mc( 0/ 4): - claim success count: 248
pnml2lts-mc( 0/ 4): - cum. max stack depth: 14
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Explored 248 states 895 transitions, fanout: 3.609
pnml2lts-mc( 0/ 4): Total exploration time 0.010 sec (0.010 sec minimum, 0.010 sec on average)
pnml2lts-mc( 0/ 4): States per second: 24800, Transitions per second: 89500
pnml2lts-mc( 0/ 4):
pnml2lts-mc( 0/ 4): Queue width: 12B, total height: 0, memory: 0.00MB
pnml2lts-mc( 0/ 4): Tree memory: 0.0MB, 21.5 B/state, compr.: 3.3%
pnml2lts-mc( 0/ 4): Tree fill ratio (roots/leafs): 0.0%/0.0%
pnml2lts-mc( 0/ 4): Stored 546 string chucks using 0MB
pnml2lts-mc( 0/ 4): Total memory used for chunk indexing: 0MB
pnml2lts-mc( 0/ 4): Est. total memory use: 0.0MB (~256.0MB paged-in)

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="CloudDeployment-PT-5a"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is CloudDeployment-PT-5a, 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 r476-tall-171620506200588"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudDeployment-PT-5a.tgz
mv CloudDeployment-PT-5a 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 ;