fond
Model Checking Contest 2022
12th edition, Bergen, Norway, June 21, 2022
Execution of r186-tajo-165281572000268
Last Updated
Jun 22, 2022

About the Execution of ITS-Tools for Raft-PT-08

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1772.655 72032.00 183514.00 114.10 FTFFFFFFFFTFFFFF normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2022-input.r186-tajo-165281572000268.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2022-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is Raft-PT-08, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r186-tajo-165281572000268
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 404K
-rw-r--r-- 1 mcc users 7.7K Apr 29 13:40 CTLCardinality.txt
-rw-r--r-- 1 mcc users 88K Apr 29 13:40 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Apr 29 13:30 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Apr 29 13:30 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 10 09:34 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.2K May 10 09:34 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K May 9 08:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 9 08:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 9 08:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 9 08:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 9 08:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.5K May 9 08:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 3 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 156K May 10 09:34 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 Raft-PT-08-LTLFireability-00
FORMULA_NAME Raft-PT-08-LTLFireability-01
FORMULA_NAME Raft-PT-08-LTLFireability-02
FORMULA_NAME Raft-PT-08-LTLFireability-03
FORMULA_NAME Raft-PT-08-LTLFireability-04
FORMULA_NAME Raft-PT-08-LTLFireability-05
FORMULA_NAME Raft-PT-08-LTLFireability-06
FORMULA_NAME Raft-PT-08-LTLFireability-07
FORMULA_NAME Raft-PT-08-LTLFireability-08
FORMULA_NAME Raft-PT-08-LTLFireability-09
FORMULA_NAME Raft-PT-08-LTLFireability-10
FORMULA_NAME Raft-PT-08-LTLFireability-11
FORMULA_NAME Raft-PT-08-LTLFireability-12
FORMULA_NAME Raft-PT-08-LTLFireability-13
FORMULA_NAME Raft-PT-08-LTLFireability-14
FORMULA_NAME Raft-PT-08-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1653081973190

Running Version 202205111006
[2022-05-20 21:26:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2022-05-20 21:26:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-20 21:26:14] [INFO ] Load time of PNML (sax parser for PT used): 97 ms
[2022-05-20 21:26:14] [INFO ] Transformed 328 places.
[2022-05-20 21:26:14] [INFO ] Transformed 568 transitions.
[2022-05-20 21:26:14] [INFO ] Found NUPN structural information;
[2022-05-20 21:26:14] [INFO ] Parsed PT model containing 328 places and 568 transitions in 200 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Ensure Unique test removed 34 transitions
Reduce redundant transitions removed 34 transitions.
FORMULA Raft-PT-08-LTLFireability-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Raft-PT-08-LTLFireability-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Raft-PT-08-LTLFireability-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Raft-PT-08-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 37 out of 328 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 328/328 places, 534/534 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 321 transition count 520
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 321 transition count 520
Applied a total of 14 rules in 48 ms. Remains 321 /328 variables (removed 7) and now considering 520/534 (removed 14) transitions.
[2022-05-20 21:26:14] [INFO ] Flow matrix only has 491 transitions (discarded 29 similar events)
// Phase 1: matrix 491 rows 321 cols
[2022-05-20 21:26:14] [INFO ] Computed 64 place invariants in 19 ms
[2022-05-20 21:26:15] [INFO ] Implicit Places using invariants in 292 ms returned []
[2022-05-20 21:26:15] [INFO ] Flow matrix only has 491 transitions (discarded 29 similar events)
// Phase 1: matrix 491 rows 321 cols
[2022-05-20 21:26:15] [INFO ] Computed 64 place invariants in 4 ms
[2022-05-20 21:26:15] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:26:15] [INFO ] Implicit Places using invariants and state equation in 462 ms returned []
Implicit Place search using SMT with State Equation took 796 ms to find 0 implicit places.
[2022-05-20 21:26:15] [INFO ] Flow matrix only has 491 transitions (discarded 29 similar events)
// Phase 1: matrix 491 rows 321 cols
[2022-05-20 21:26:15] [INFO ] Computed 64 place invariants in 6 ms
[2022-05-20 21:26:15] [INFO ] Dead Transitions using invariants and state equation in 292 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 321/328 places, 520/534 transitions.
Finished structural reductions, in 1 iterations. Remains : 321/328 places, 520/534 transitions.
Support contains 37 out of 321 places after structural reductions.
[2022-05-20 21:26:16] [INFO ] Flatten gal took : 92 ms
[2022-05-20 21:26:16] [INFO ] Flatten gal took : 39 ms
[2022-05-20 21:26:16] [INFO ] Input system was already deterministic with 520 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 227 ms. (steps per millisecond=44 ) properties (out of 32) seen :31
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2022-05-20 21:26:16] [INFO ] Flow matrix only has 491 transitions (discarded 29 similar events)
// Phase 1: matrix 491 rows 321 cols
[2022-05-20 21:26:16] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:16] [INFO ] After 101ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2022-05-20 21:26:16] [INFO ] [Nat]Absence check using 64 positive place invariants in 27 ms returned sat
[2022-05-20 21:26:17] [INFO ] After 216ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2022-05-20 21:26:17] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:26:17] [INFO ] After 68ms SMT Verify possible using 284 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2022-05-20 21:26:17] [INFO ] After 128ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 25 ms.
[2022-05-20 21:26:17] [INFO ] After 489ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 8 ms.
Support contains 2 out of 321 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 321/321 places, 520/520 transitions.
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 0 with 9 rules applied. Total rules applied 9 place count 321 transition count 511
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 1 Pre rules applied. Total rules applied 9 place count 321 transition count 510
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 11 place count 320 transition count 510
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 319 transition count 508
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 319 transition count 508
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 27 place count 312 transition count 501
Discarding 49 places :
Symmetric choice reduction at 1 with 49 rule applications. Total rules 76 place count 263 transition count 452
Iterating global reduction 1 with 49 rules applied. Total rules applied 125 place count 263 transition count 452
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 1 with 49 rules applied. Total rules applied 174 place count 263 transition count 403
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -35
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 2 with 14 rules applied. Total rules applied 188 place count 256 transition count 438
Drop transitions removed 50 transitions
Redundant transition composition rules discarded 50 transitions
Iterating global reduction 2 with 50 rules applied. Total rules applied 238 place count 256 transition count 388
Discarding 49 places :
Symmetric choice reduction at 2 with 49 rule applications. Total rules 287 place count 207 transition count 339
Iterating global reduction 2 with 49 rules applied. Total rules applied 336 place count 207 transition count 339
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 2 with 49 rules applied. Total rules applied 385 place count 207 transition count 290
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 387 place count 206 transition count 289
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 394 place count 199 transition count 282
Iterating global reduction 3 with 7 rules applied. Total rules applied 401 place count 199 transition count 282
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 408 place count 199 transition count 275
Applied a total of 408 rules in 174 ms. Remains 199 /321 variables (removed 122) and now considering 275/520 (removed 245) transitions.
Finished structural reductions, in 1 iterations. Remains : 199/321 places, 275/520 transitions.
Finished random walk after 115 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=38 )
FORMULA Raft-PT-08-LTLFireability-15 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Computed a total of 5 stabilizing places and 19 stable transitions
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X((G((G(p0)&&p1))||(G(p2)&&p3))))'
Support contains 6 out of 321 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Applied a total of 2 rules in 11 ms. Remains 320 /321 variables (removed 1) and now considering 518/520 (removed 2) transitions.
[2022-05-20 21:26:17] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:17] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:18] [INFO ] Implicit Places using invariants in 199 ms returned []
[2022-05-20 21:26:18] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:18] [INFO ] Computed 64 place invariants in 3 ms
[2022-05-20 21:26:18] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:26:18] [INFO ] Implicit Places using invariants and state equation in 564 ms returned []
Implicit Place search using SMT with State Equation took 770 ms to find 0 implicit places.
[2022-05-20 21:26:18] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:18] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:18] [INFO ] Dead Transitions using invariants and state equation in 265 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 320/321 places, 518/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 320/321 places, 518/520 transitions.
Stuttering acceptance computed with spot in 389 ms :[true, (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p3))), (OR (NOT p1) (NOT p0)), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), (OR (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p3))), (NOT p2)]
Running random walk in product with property : Raft-PT-08-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND p0 p1), acceptance={} source=2 dest: 2}], [{ cond=(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), acceptance={} source=3 dest: 0}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND p0 p1 p2), acceptance={} source=3 dest: 3}, { cond=(OR (AND (NOT p0) p2) (AND (NOT p1) p2)), acceptance={} source=3 dest: 5}], [{ cond=(OR (AND (NOT p3) (NOT p0)) (AND (NOT p3) (NOT p1)) (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), acceptance={} source=4 dest: 0}, { cond=(OR (AND (NOT p3) p0 p1) (AND p0 p1 (NOT p2))), acceptance={} source=4 dest: 2}, { cond=(AND p3 p0 p1 p2), acceptance={} source=4 dest: 3}, { cond=(OR (AND p3 (NOT p0) p2) (AND p3 (NOT p1) p2)), acceptance={} source=4 dest: 5}], [{ cond=(NOT p2), acceptance={} source=5 dest: 0}, { cond=p2, acceptance={} source=5 dest: 5}]], initial=1, aps=[p0:(OR (EQ s110 0) (EQ s296 0)), p1:(EQ s300 0), p2:(OR (EQ s122 0) (EQ s300 0)), p3:(OR (EQ s245 0) (EQ s308 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA Raft-PT-08-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-00 finished in 1498 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(((X(X(F(p2)))&&p1)||p0)))'
Support contains 6 out of 321 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Applied a total of 2 rules in 21 ms. Remains 320 /321 variables (removed 1) and now considering 518/520 (removed 2) transitions.
[2022-05-20 21:26:19] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:19] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:19] [INFO ] Implicit Places using invariants in 168 ms returned []
[2022-05-20 21:26:19] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:19] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:19] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:26:20] [INFO ] Implicit Places using invariants and state equation in 524 ms returned []
Implicit Place search using SMT with State Equation took 696 ms to find 0 implicit places.
[2022-05-20 21:26:20] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:20] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:20] [INFO ] Dead Transitions using invariants and state equation in 191 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 320/321 places, 518/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 320/321 places, 518/520 transitions.
Stuttering acceptance computed with spot in 152 ms :[(OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2))), (NOT p2), (NOT p2), true, (OR (AND (NOT p0) (NOT p1)) (AND (NOT p0) (NOT p2)))]
Running random walk in product with property : Raft-PT-08-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 0}]], initial=4, aps=[p0:(OR (EQ s265 0) (EQ s312 0) (EQ s207 0)), p1:(AND (EQ s169 1) (EQ s308 1)), p2:(AND (EQ s27 1) (EQ s308 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 1347 ms.
Product exploration explored 100000 steps with 50000 reset in 934 ms.
Computed a total of 5 stabilizing places and 19 stable transitions
Computed a total of 5 stabilizing places and 19 stable transitions
Knowledge obtained : [(AND p0 (NOT p1) (NOT p2)), (X (NOT (AND (NOT p0) p1))), (X (NOT (AND (NOT p0) (NOT p1)))), true]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X (NOT (AND (NOT p0) (NOT p1))))
Knowledge based reduction with 4 factoid took 122 ms. Reduced automaton from 5 states, 6 edges and 3 AP to 1 states, 0 edges and 0 AP.
FORMULA Raft-PT-08-LTLFireability-01 TRUE TECHNIQUES KNOWLEDGE
Treatment of property Raft-PT-08-LTLFireability-01 finished in 3509 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(X(G(((X(p0) U (F(p2)&&p1))||p3)))))'
Support contains 6 out of 321 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Applied a total of 2 rules in 13 ms. Remains 320 /321 variables (removed 1) and now considering 518/520 (removed 2) transitions.
[2022-05-20 21:26:22] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:22] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:23] [INFO ] Implicit Places using invariants in 176 ms returned []
[2022-05-20 21:26:23] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:23] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:23] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:26:23] [INFO ] Implicit Places using invariants and state equation in 538 ms returned []
Implicit Place search using SMT with State Equation took 716 ms to find 0 implicit places.
[2022-05-20 21:26:23] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:26:23] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:23] [INFO ] Dead Transitions using invariants and state equation in 251 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 320/321 places, 518/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 320/321 places, 518/520 transitions.
Stuttering acceptance computed with spot in 130 ms :[(OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p2) (NOT p3))), (AND (NOT p3) (NOT p2))]
Running random walk in product with property : Raft-PT-08-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p3) (NOT p1)), acceptance={0} source=0 dest: 1}, { cond=(AND (NOT p3) p1 (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=(AND p3 (NOT p1) p0), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p3) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(OR (AND (NOT p3) p1 (NOT p2)) (AND p1 (NOT p2) p0)), acceptance={} source=1 dest: 2}], [{ cond=(AND p3 (NOT p2)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p3) (NOT p2)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p3:(AND (EQ s250 1) (EQ s312 1)), p1:(AND (EQ s250 1) (EQ s312 1)), p2:(AND (EQ s100 1) (EQ s292 1)), p0:(AND (EQ s237 1) (EQ s304 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 36 steps with 0 reset in 1 ms.
FORMULA Raft-PT-08-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-02 finished in 1141 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G((X((X(p0)&&p1))||(G(p3)&&p2))))'
Support contains 4 out of 321 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Applied a total of 0 rules in 5 ms. Remains 321 /321 variables (removed 0) and now considering 520/520 (removed 0) transitions.
[2022-05-20 21:26:24] [INFO ] Flow matrix only has 491 transitions (discarded 29 similar events)
// Phase 1: matrix 491 rows 321 cols
[2022-05-20 21:26:24] [INFO ] Computed 64 place invariants in 14 ms
[2022-05-20 21:26:24] [INFO ] Implicit Places using invariants in 272 ms returned []
[2022-05-20 21:26:24] [INFO ] Flow matrix only has 491 transitions (discarded 29 similar events)
// Phase 1: matrix 491 rows 321 cols
[2022-05-20 21:26:24] [INFO ] Computed 64 place invariants in 3 ms
[2022-05-20 21:26:24] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:26:25] [INFO ] Implicit Places using invariants and state equation in 741 ms returned []
Implicit Place search using SMT with State Equation took 1026 ms to find 0 implicit places.
[2022-05-20 21:26:25] [INFO ] Flow matrix only has 491 transitions (discarded 29 similar events)
// Phase 1: matrix 491 rows 321 cols
[2022-05-20 21:26:25] [INFO ] Computed 64 place invariants in 16 ms
[2022-05-20 21:26:25] [INFO ] Dead Transitions using invariants and state equation in 385 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 321/321 places, 520/520 transitions.
Stuttering acceptance computed with spot in 263 ms :[(OR (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p2)) (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p2))), (OR (NOT p1) (NOT p0)), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p3))), true, (NOT p0), (NOT p3), (AND (NOT p3) (NOT p0))]
Running random walk in product with property : Raft-PT-08-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR (NOT p2) (NOT p3)), acceptance={} source=0 dest: 1}, { cond=(AND p2 p3), acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={} source=1 dest: 3}, { cond=p1, acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p3) (NOT p1)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p3) p1), acceptance={} source=2 dest: 4}, { cond=(AND p3 (NOT p1)), acceptance={} source=2 dest: 5}, { cond=(AND p3 p1), acceptance={} source=2 dest: 6}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 3}], [{ cond=(NOT p3), acceptance={} source=5 dest: 3}, { cond=p3, acceptance={} source=5 dest: 5}], [{ cond=(AND (NOT p3) (NOT p0)), acceptance={} source=6 dest: 3}, { cond=(AND p3 (NOT p0)), acceptance={} source=6 dest: 5}]], initial=0, aps=[p2:(AND (EQ s297 0) (OR (EQ s235 0) (EQ s309 0))), p3:(OR (EQ s235 0) (EQ s309 0)), p1:(EQ s300 0), p0:(EQ s297 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 14083 steps with 3493 reset in 314 ms.
FORMULA Raft-PT-08-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-05 finished in 2020 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((!((p0 U p1)||X(p1)||F(p0)) U (G(p2) U p3)))'
Support contains 6 out of 321 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 14 place count 314 transition count 512
Discarding 42 places :
Symmetric choice reduction at 0 with 42 rule applications. Total rules 56 place count 272 transition count 470
Iterating global reduction 0 with 42 rules applied. Total rules applied 98 place count 272 transition count 470
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 140 place count 272 transition count 428
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: -36
Deduced a syphon composed of 7 places in 1 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 1 with 14 rules applied. Total rules applied 154 place count 265 transition count 464
Drop transitions removed 44 transitions
Redundant transition composition rules discarded 44 transitions
Iterating global reduction 1 with 44 rules applied. Total rules applied 198 place count 265 transition count 420
Discarding 42 places :
Symmetric choice reduction at 1 with 42 rule applications. Total rules 240 place count 223 transition count 378
Iterating global reduction 1 with 42 rules applied. Total rules applied 282 place count 223 transition count 378
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 1 with 42 rules applied. Total rules applied 324 place count 223 transition count 336
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 328 place count 221 transition count 334
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 342 place count 207 transition count 320
Iterating global reduction 2 with 14 rules applied. Total rules applied 356 place count 207 transition count 320
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 370 place count 207 transition count 306
Applied a total of 370 rules in 100 ms. Remains 207 /321 variables (removed 114) and now considering 306/520 (removed 214) transitions.
[2022-05-20 21:26:26] [INFO ] Flow matrix only has 271 transitions (discarded 35 similar events)
// Phase 1: matrix 271 rows 207 cols
[2022-05-20 21:26:26] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:26] [INFO ] Implicit Places using invariants in 160 ms returned []
[2022-05-20 21:26:26] [INFO ] Flow matrix only has 271 transitions (discarded 35 similar events)
// Phase 1: matrix 271 rows 207 cols
[2022-05-20 21:26:26] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:26] [INFO ] State equation strengthened by 187 read => feed constraints.
[2022-05-20 21:26:26] [INFO ] Implicit Places using invariants and state equation in 322 ms returned []
Implicit Place search using SMT with State Equation took 484 ms to find 0 implicit places.
[2022-05-20 21:26:26] [INFO ] Redundant transitions in 11 ms returned []
[2022-05-20 21:26:26] [INFO ] Flow matrix only has 271 transitions (discarded 35 similar events)
// Phase 1: matrix 271 rows 207 cols
[2022-05-20 21:26:26] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:26] [INFO ] Dead Transitions using invariants and state equation in 115 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 207/321 places, 306/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 207/321 places, 306/520 transitions.
Stuttering acceptance computed with spot in 331 ms :[(NOT p3), true, (OR (AND (NOT p0) p1 p3) (AND (NOT p0) p1 p2)), p0, (NOT p2), (NOT p3), (AND (NOT p2) p3 (NOT p0) p1), (AND p0 (NOT p2))]
Running random walk in product with property : Raft-PT-08-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p3) (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 0}, { cond=(OR (AND (NOT p3) (NOT p2) p0) (AND (NOT p3) (NOT p2) p1)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p3) (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=0 dest: 3}, { cond=(OR (AND (NOT p3) p2 p0) (AND (NOT p3) p2 p1)), acceptance={} source=0 dest: 4}, { cond=(OR (AND (NOT p3) p2 p0) (AND (NOT p3) p2 p1)), acceptance={} source=0 dest: 5}, { cond=(AND (NOT p3) p2 (NOT p0) (NOT p1)), acceptance={} source=0 dest: 6}, { cond=(AND (NOT p3) p2 (NOT p0) (NOT p1)), acceptance={} source=0 dest: 7}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(OR (AND p3 (NOT p0) p1) (AND p2 (NOT p0) p1)), acceptance={} source=2 dest: 1}], [{ cond=p0, acceptance={} source=3 dest: 1}, { cond=(NOT p0), acceptance={} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={} source=4 dest: 1}, { cond=p2, acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p3) (NOT p2)), acceptance={} source=5 dest: 1}, { cond=(AND (NOT p3) p2), acceptance={} source=5 dest: 4}, { cond=(AND (NOT p3) p2), acceptance={0} source=5 dest: 5}], [{ cond=(AND p3 (NOT p2) (NOT p0) p1), acceptance={} source=6 dest: 1}, { cond=(AND p3 p2 (NOT p0) p1), acceptance={} source=6 dest: 4}], [{ cond=(AND (NOT p2) p0), acceptance={} source=7 dest: 1}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=7 dest: 3}, { cond=(AND p2 p0), acceptance={} source=7 dest: 4}, { cond=(AND p2 (NOT p0)), acceptance={} source=7 dest: 7}]], initial=0, aps=[p3:(AND (EQ s180 1) (EQ s198 1)), p0:(AND (EQ s70 1) (EQ s185 1)), p1:(AND (EQ s3 1) (EQ s185 1)), p2:(EQ s0 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null, null, null, null, null][true, true, true, true, true, true, true, true]]
Entered a terminal (fully accepting) state of product in 248 steps with 0 reset in 3 ms.
FORMULA Raft-PT-08-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-06 finished in 1104 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 321 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 16 place count 313 transition count 511
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 65 place count 264 transition count 462
Iterating global reduction 0 with 49 rules applied. Total rules applied 114 place count 264 transition count 462
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 163 place count 264 transition count 413
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -41
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 179 place count 256 transition count 454
Drop transitions removed 50 transitions
Redundant transition composition rules discarded 50 transitions
Iterating global reduction 1 with 50 rules applied. Total rules applied 229 place count 256 transition count 404
Discarding 49 places :
Symmetric choice reduction at 1 with 49 rule applications. Total rules 278 place count 207 transition count 355
Iterating global reduction 1 with 49 rules applied. Total rules applied 327 place count 207 transition count 355
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 1 with 49 rules applied. Total rules applied 376 place count 207 transition count 306
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 378 place count 206 transition count 305
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 385 place count 199 transition count 298
Iterating global reduction 2 with 7 rules applied. Total rules applied 392 place count 199 transition count 298
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 399 place count 199 transition count 291
Applied a total of 399 rules in 65 ms. Remains 199 /321 variables (removed 122) and now considering 291/520 (removed 229) transitions.
[2022-05-20 21:26:27] [INFO ] Flow matrix only has 256 transitions (discarded 35 similar events)
// Phase 1: matrix 256 rows 199 cols
[2022-05-20 21:26:27] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:27] [INFO ] Implicit Places using invariants in 158 ms returned []
[2022-05-20 21:26:27] [INFO ] Flow matrix only has 256 transitions (discarded 35 similar events)
// Phase 1: matrix 256 rows 199 cols
[2022-05-20 21:26:27] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:27] [INFO ] State equation strengthened by 180 read => feed constraints.
[2022-05-20 21:26:27] [INFO ] Implicit Places using invariants and state equation in 550 ms returned []
Implicit Place search using SMT with State Equation took 711 ms to find 0 implicit places.
[2022-05-20 21:26:27] [INFO ] Redundant transitions in 7 ms returned []
[2022-05-20 21:26:27] [INFO ] Flow matrix only has 256 transitions (discarded 35 similar events)
// Phase 1: matrix 256 rows 199 cols
[2022-05-20 21:26:27] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:28] [INFO ] Dead Transitions using invariants and state equation in 157 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 199/321 places, 291/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 199/321 places, 291/520 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Raft-PT-08-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (NEQ s192 1) (NEQ s193 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA Raft-PT-08-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-07 finished in 1049 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(X((G(((G(X(p1))||p0)&&p1))||G(p2))))))'
Support contains 3 out of 321 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 14 place count 314 transition count 512
Discarding 42 places :
Symmetric choice reduction at 0 with 42 rule applications. Total rules 56 place count 272 transition count 470
Iterating global reduction 0 with 42 rules applied. Total rules applied 98 place count 272 transition count 470
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 140 place count 272 transition count 428
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -30
Deduced a syphon composed of 6 places in 1 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 152 place count 266 transition count 458
Drop transitions removed 44 transitions
Redundant transition composition rules discarded 44 transitions
Iterating global reduction 1 with 44 rules applied. Total rules applied 196 place count 266 transition count 414
Discarding 42 places :
Symmetric choice reduction at 1 with 42 rule applications. Total rules 238 place count 224 transition count 372
Iterating global reduction 1 with 42 rules applied. Total rules applied 280 place count 224 transition count 372
Ensure Unique test removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 1 with 42 rules applied. Total rules applied 322 place count 224 transition count 330
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 326 place count 222 transition count 328
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 340 place count 208 transition count 314
Iterating global reduction 2 with 14 rules applied. Total rules applied 354 place count 208 transition count 314
Ensure Unique test removed 14 transitions
Reduce isomorphic transitions removed 14 transitions.
Iterating post reduction 2 with 14 rules applied. Total rules applied 368 place count 208 transition count 300
Applied a total of 368 rules in 109 ms. Remains 208 /321 variables (removed 113) and now considering 300/520 (removed 220) transitions.
[2022-05-20 21:26:28] [INFO ] Flow matrix only has 272 transitions (discarded 28 similar events)
// Phase 1: matrix 272 rows 208 cols
[2022-05-20 21:26:28] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:28] [INFO ] Implicit Places using invariants in 118 ms returned []
[2022-05-20 21:26:28] [INFO ] Flow matrix only has 272 transitions (discarded 28 similar events)
// Phase 1: matrix 272 rows 208 cols
[2022-05-20 21:26:28] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:28] [INFO ] State equation strengthened by 186 read => feed constraints.
[2022-05-20 21:26:28] [INFO ] Implicit Places using invariants and state equation in 302 ms returned []
Implicit Place search using SMT with State Equation took 422 ms to find 0 implicit places.
[2022-05-20 21:26:28] [INFO ] Redundant transitions in 6 ms returned []
[2022-05-20 21:26:28] [INFO ] Flow matrix only has 272 transitions (discarded 28 similar events)
// Phase 1: matrix 272 rows 208 cols
[2022-05-20 21:26:28] [INFO ] Computed 64 place invariants in 0 ms
[2022-05-20 21:26:28] [INFO ] Dead Transitions using invariants and state equation in 182 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 208/321 places, 300/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 208/321 places, 300/520 transitions.
Stuttering acceptance computed with spot in 29 ms :[(AND (NOT p2) (NOT p1))]
Running random walk in product with property : Raft-PT-08-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(AND p2 p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p2) p1), acceptance={0} source=0 dest: 0}, { cond=(AND p2 (NOT p1)), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p2:(EQ s206 1), p1:(OR (EQ s198 0) (EQ s203 0))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 634 ms.
Product exploration explored 100000 steps with 0 reset in 865 ms.
Computed a total of 5 stabilizing places and 19 stable transitions
Computed a total of 5 stabilizing places and 19 stable transitions
Knowledge obtained : [(AND (NOT p2) p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) p1)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) p1)))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 412 ms. Reduced automaton from 1 states, 4 edges and 2 AP to 1 states, 4 edges and 2 AP.
Stuttering acceptance computed with spot in 30 ms :[(AND (NOT p1) (NOT p2))]
Incomplete random walk after 10000 steps, including 2 resets, run finished after 211 ms. (steps per millisecond=47 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2022-05-20 21:26:31] [INFO ] Flow matrix only has 272 transitions (discarded 28 similar events)
// Phase 1: matrix 272 rows 208 cols
[2022-05-20 21:26:31] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:31] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2022-05-20 21:26:31] [INFO ] [Nat]Absence check using 64 positive place invariants in 8 ms returned sat
[2022-05-20 21:26:31] [INFO ] After 99ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2022-05-20 21:26:31] [INFO ] State equation strengthened by 186 read => feed constraints.
[2022-05-20 21:26:31] [INFO ] After 44ms SMT Verify possible using 186 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2022-05-20 21:26:31] [INFO ] After 87ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 37 ms.
[2022-05-20 21:26:31] [INFO ] After 282ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 9 ms.
Support contains 3 out of 208 places. Attempting structural reductions.
Starting structural reductions in SAFETY mode, iteration 0 : 208/208 places, 300/300 transitions.
Drop transitions removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 0 with 8 rules applied. Total rules applied 8 place count 208 transition count 292
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 207 transition count 291
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 17 place count 200 transition count 284
Iterating global reduction 1 with 7 rules applied. Total rules applied 24 place count 200 transition count 284
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 31 place count 200 transition count 277
Applied a total of 31 rules in 15 ms. Remains 200 /208 variables (removed 8) and now considering 277/300 (removed 23) transitions.
Finished structural reductions, in 1 iterations. Remains : 200/208 places, 277/300 transitions.
Finished random walk after 3468 steps, including 1 resets, run visited all 2 properties in 53 ms. (steps per millisecond=65 )
Knowledge obtained : [(AND (NOT p2) p1), (X (NOT (AND (NOT p2) (NOT p1)))), (X (NOT (AND p2 p1))), (X (NOT (AND p2 (NOT p1)))), (X (AND (NOT p2) p1)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (X (X (NOT (AND p2 p1)))), (X (X (NOT (AND p2 (NOT p1))))), (X (X (AND (NOT p2) p1)))]
False Knowledge obtained : [(F (AND (NOT p1) (NOT p2))), (F (AND p1 p2)), (F (AND (NOT p1) p2)), (F (NOT (AND p1 (NOT p2))))]
Knowledge based reduction with 9 factoid took 421 ms. Reduced automaton from 1 states, 4 edges and 2 AP to 1 states, 4 edges and 2 AP.
Stuttering acceptance computed with spot in 29 ms :[(AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 28 ms :[(AND (NOT p1) (NOT p2))]
Support contains 3 out of 208 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 208/208 places, 300/300 transitions.
Applied a total of 0 rules in 8 ms. Remains 208 /208 variables (removed 0) and now considering 300/300 (removed 0) transitions.
[2022-05-20 21:26:32] [INFO ] Flow matrix only has 272 transitions (discarded 28 similar events)
// Phase 1: matrix 272 rows 208 cols
[2022-05-20 21:26:32] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:32] [INFO ] Implicit Places using invariants in 113 ms returned []
[2022-05-20 21:26:32] [INFO ] Flow matrix only has 272 transitions (discarded 28 similar events)
// Phase 1: matrix 272 rows 208 cols
[2022-05-20 21:26:32] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:26:32] [INFO ] State equation strengthened by 186 read => feed constraints.
[2022-05-20 21:26:32] [INFO ] Implicit Places using invariants and state equation in 280 ms returned []
Implicit Place search using SMT with State Equation took 394 ms to find 0 implicit places.
[2022-05-20 21:26:32] [INFO ] Redundant transitions in 2 ms returned []
[2022-05-20 21:26:32] [INFO ] Flow matrix only has 272 transitions (discarded 28 similar events)
// Phase 1: matrix 272 rows 208 cols
[2022-05-20 21:26:32] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:32] [INFO ] Dead Transitions using invariants and state equation in 137 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 208/208 places, 300/300 transitions.
Computed a total of 5 stabilizing places and 19 stable transitions
Computed a total of 5 stabilizing places and 19 stable transitions
Knowledge obtained : [(AND p1 (NOT p2)), (X (AND p1 (NOT p2))), (X (NOT (AND p1 p2))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 9 factoid took 297 ms. Reduced automaton from 1 states, 4 edges and 2 AP to 1 states, 4 edges and 2 AP.
Stuttering acceptance computed with spot in 32 ms :[(AND (NOT p1) (NOT p2))]
Finished random walk after 3495 steps, including 1 resets, run visited all 4 properties in 26 ms. (steps per millisecond=134 )
Knowledge obtained : [(AND p1 (NOT p2)), (X (AND p1 (NOT p2))), (X (NOT (AND p1 p2))), (X (NOT (AND (NOT p1) p2))), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (AND p1 (NOT p2)))), (X (X (NOT (AND p1 p2)))), (X (X (NOT (AND (NOT p1) p2)))), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(F (AND (NOT p1) (NOT p2))), (F (AND p1 p2)), (F (AND (NOT p1) p2)), (F (NOT (AND p1 (NOT p2))))]
Knowledge based reduction with 9 factoid took 410 ms. Reduced automaton from 1 states, 4 edges and 2 AP to 1 states, 4 edges and 2 AP.
Stuttering acceptance computed with spot in 33 ms :[(AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 43 ms :[(AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 30 ms :[(AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 0 reset in 651 ms.
Product exploration explored 100000 steps with 0 reset in 615 ms.
Built C files in :
/tmp/ltsmin13069585857261777549
[2022-05-20 21:26:34] [INFO ] Computing symmetric may disable matrix : 300 transitions.
[2022-05-20 21:26:34] [INFO ] Computation of Complete disable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-20 21:26:34] [INFO ] Computing symmetric may enable matrix : 300 transitions.
[2022-05-20 21:26:34] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-20 21:26:34] [INFO ] Computing Do-Not-Accords matrix : 300 transitions.
[2022-05-20 21:26:34] [INFO ] Computation of Completed DNA matrix. took 9 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-20 21:26:34] [INFO ] Built C files in 93ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13069585857261777549
Running compilation step : cd /tmp/ltsmin13069585857261777549;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 627 ms.
Running link step : cd /tmp/ltsmin13069585857261777549;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 62 ms.
Running LTSmin : cd /tmp/ltsmin13069585857261777549;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased9388531483614429458.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 208 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 208/208 places, 300/300 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 207 transition count 299
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 9 place count 200 transition count 292
Iterating global reduction 0 with 7 rules applied. Total rules applied 16 place count 200 transition count 292
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 23 place count 200 transition count 285
Applied a total of 23 rules in 29 ms. Remains 200 /208 variables (removed 8) and now considering 285/300 (removed 15) transitions.
[2022-05-20 21:26:49] [INFO ] Flow matrix only has 257 transitions (discarded 28 similar events)
// Phase 1: matrix 257 rows 200 cols
[2022-05-20 21:26:49] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:50] [INFO ] Implicit Places using invariants in 94 ms returned []
[2022-05-20 21:26:50] [INFO ] Flow matrix only has 257 transitions (discarded 28 similar events)
// Phase 1: matrix 257 rows 200 cols
[2022-05-20 21:26:50] [INFO ] Computed 64 place invariants in 4 ms
[2022-05-20 21:26:50] [INFO ] State equation strengthened by 179 read => feed constraints.
[2022-05-20 21:26:50] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 343 ms to find 0 implicit places.
[2022-05-20 21:26:50] [INFO ] Redundant transitions in 0 ms returned []
[2022-05-20 21:26:50] [INFO ] Flow matrix only has 257 transitions (discarded 28 similar events)
// Phase 1: matrix 257 rows 200 cols
[2022-05-20 21:26:50] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:26:50] [INFO ] Dead Transitions using invariants and state equation in 89 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 200/208 places, 285/300 transitions.
Finished structural reductions, in 1 iterations. Remains : 200/208 places, 285/300 transitions.
Built C files in :
/tmp/ltsmin16306082951318244076
[2022-05-20 21:26:50] [INFO ] Computing symmetric may disable matrix : 285 transitions.
[2022-05-20 21:26:50] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-20 21:26:50] [INFO ] Computing symmetric may enable matrix : 285 transitions.
[2022-05-20 21:26:50] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-20 21:26:50] [INFO ] Computing Do-Not-Accords matrix : 285 transitions.
[2022-05-20 21:26:50] [INFO ] Computation of Completed DNA matrix. took 4 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-20 21:26:50] [INFO ] Built C files in 21ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16306082951318244076
Running compilation step : cd /tmp/ltsmin16306082951318244076;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 511 ms.
Running link step : cd /tmp/ltsmin16306082951318244076;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 25 ms.
Running LTSmin : cd /tmp/ltsmin16306082951318244076;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased17896973324684721152.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2022-05-20 21:27:05] [INFO ] Flatten gal took : 16 ms
[2022-05-20 21:27:05] [INFO ] Flatten gal took : 15 ms
[2022-05-20 21:27:05] [INFO ] Time to serialize gal into /tmp/LTL9927398923399399872.gal : 4 ms
[2022-05-20 21:27:05] [INFO ] Time to serialize properties into /tmp/LTL14603626750195858328.ltl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL9927398923399399872.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14603626750195858328.ltl' '-c' '-stutter-deadlock' '--gen-order' 'FOLLOW'

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL9927398...267
Read 1 LTL properties
Checking formula 0 : !((G(F(X((G((((G(X("((p315==0)||(p323==0))")))||("(p210==0)"))||("(p310==0)"))&&("((p315==0)||(p323==0))")))||(G("(p326==1)")))))))
Formula 0 simplified : !GFX(G("((p315==0)||(p323==0))" & ("(p210==0)" | "(p310==0)" | GX"((p315==0)||(p323==0))")) | G"(p326==1)")
Detected timeout of ITS tools.
[2022-05-20 21:27:20] [INFO ] Flatten gal took : 35 ms
[2022-05-20 21:27:20] [INFO ] Applying decomposition
[2022-05-20 21:27:20] [INFO ] Flatten gal took : 27 ms
Converted graph to binary with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/convert-linux64' '-i' '/tmp/graph2179990735939790561.txt' '-o' '/tmp/graph2179990735939790561.bin' '-w' '/tmp/graph2179990735939790561.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph2179990735939790561.bin' '-l' '-1' '-v' '-w' '/tmp/graph2179990735939790561.weights' '-q' '0' '-e' '0.001'
[2022-05-20 21:27:20] [INFO ] Decomposing Gal with order
[2022-05-20 21:27:20] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-20 21:27:20] [INFO ] Removed a total of 272 redundant transitions.
[2022-05-20 21:27:20] [INFO ] Flatten gal took : 79 ms
[2022-05-20 21:27:21] [INFO ] Fuse similar labels procedure discarded/fused a total of 208 labels/synchronizations in 21 ms.
[2022-05-20 21:27:21] [INFO ] Time to serialize gal into /tmp/LTL2339926935256309052.gal : 8 ms
[2022-05-20 21:27:21] [INFO ] Time to serialize properties into /tmp/LTL5968869868972007636.ltl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64' '--gc-threshold' '2000000' '-i' '/tmp/LTL2339926935256309052.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL5968869868972007636.ltl' '-c' '-stutter-deadlock'

its-ltl command run as :

/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202205111006/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL2339926...245
Read 1 LTL properties
Checking formula 0 : !((G(F(X((G((((G(X("((i1.u62.p315==0)||(i8.u64.p323==0))")))||("(i6.u41.p210==0)"))||("(i6.u61.p310==0)"))&&("((i1.u62.p315==0)||(i8.u...201
Formula 0 simplified : !GFX(G("((i1.u62.p315==0)||(i8.u64.p323==0))" & ("(i6.u41.p210==0)" | "(i6.u61.p310==0)" | GX"((i1.u62.p315==0)||(i8.u64.p323==0))")...179
Reverse transition relation is NOT exact ! Due to transitions i0.u56.t35, i1.u62.t7, i1.u62.t10, i2.u57.t31, i3.u58.t27, i4.u59.t23, i5.u60.t19, i6.u61.t11...302
10 unique states visited
6 strongly connected components in search stack
15 transitions explored
10 items max in DFS search stack
55 ticks for the emptiness check
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
STATS,0,0.593171,39356,1,0,46188,147,2993,103747,139,410,62097
an accepting run exists (use option '-e' to print it)
Formula 0 is FALSE accepting run found.
FORMULA Raft-PT-08-LTLFireability-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL USE_NUPN
Treatment of property Raft-PT-08-LTLFireability-08 finished in 53506 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 321 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 16 place count 313 transition count 511
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 65 place count 264 transition count 462
Iterating global reduction 0 with 49 rules applied. Total rules applied 114 place count 264 transition count 462
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 163 place count 264 transition count 413
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: -41
Deduced a syphon composed of 8 places in 1 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 1 with 16 rules applied. Total rules applied 179 place count 256 transition count 454
Drop transitions removed 50 transitions
Redundant transition composition rules discarded 50 transitions
Iterating global reduction 1 with 50 rules applied. Total rules applied 229 place count 256 transition count 404
Discarding 49 places :
Symmetric choice reduction at 1 with 49 rule applications. Total rules 278 place count 207 transition count 355
Iterating global reduction 1 with 49 rules applied. Total rules applied 327 place count 207 transition count 355
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 1 with 49 rules applied. Total rules applied 376 place count 207 transition count 306
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 378 place count 206 transition count 305
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 384 place count 200 transition count 299
Iterating global reduction 2 with 6 rules applied. Total rules applied 390 place count 200 transition count 299
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 396 place count 200 transition count 293
Applied a total of 396 rules in 81 ms. Remains 200 /321 variables (removed 121) and now considering 293/520 (removed 227) transitions.
[2022-05-20 21:27:21] [INFO ] Flow matrix only has 258 transitions (discarded 35 similar events)
// Phase 1: matrix 258 rows 200 cols
[2022-05-20 21:27:21] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:27:21] [INFO ] Implicit Places using invariants in 114 ms returned []
[2022-05-20 21:27:21] [INFO ] Flow matrix only has 258 transitions (discarded 35 similar events)
// Phase 1: matrix 258 rows 200 cols
[2022-05-20 21:27:21] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:27:22] [INFO ] State equation strengthened by 181 read => feed constraints.
[2022-05-20 21:27:22] [INFO ] Implicit Places using invariants and state equation in 318 ms returned []
Implicit Place search using SMT with State Equation took 435 ms to find 0 implicit places.
[2022-05-20 21:27:22] [INFO ] Redundant transitions in 2 ms returned []
[2022-05-20 21:27:22] [INFO ] Flow matrix only has 258 transitions (discarded 35 similar events)
// Phase 1: matrix 258 rows 200 cols
[2022-05-20 21:27:22] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:27:22] [INFO ] Dead Transitions using invariants and state equation in 164 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 200/321 places, 293/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 200/321 places, 293/520 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : Raft-PT-08-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (NEQ s7 1) (NEQ s185 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 197 steps with 0 reset in 2 ms.
FORMULA Raft-PT-08-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-09 finished in 742 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)&&X(G(p1))))'
Support contains 3 out of 321 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Applied a total of 2 rules in 8 ms. Remains 320 /321 variables (removed 1) and now considering 518/520 (removed 2) transitions.
[2022-05-20 21:27:22] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:27:22] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:27:22] [INFO ] Implicit Places using invariants in 152 ms returned []
[2022-05-20 21:27:22] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:27:22] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:27:22] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:27:23] [INFO ] Implicit Places using invariants and state equation in 420 ms returned []
Implicit Place search using SMT with State Equation took 573 ms to find 0 implicit places.
[2022-05-20 21:27:23] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:27:23] [INFO ] Computed 64 place invariants in 4 ms
[2022-05-20 21:27:23] [INFO ] Dead Transitions using invariants and state equation in 183 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 320/321 places, 518/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 320/321 places, 518/520 transitions.
Stuttering acceptance computed with spot in 108 ms :[(NOT p1), true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : Raft-PT-08-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 3}], [{ cond=(AND p0 p1), acceptance={0} source=3 dest: 0}, { cond=(NOT p1), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(EQ s318 1), p0:(OR (EQ s55 0) (EQ s288 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Raft-PT-08-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-11 finished in 884 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(G((G(F(X(p1)))&&X(p2)&&p0)))))'
Support contains 6 out of 321 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 12 place count 315 transition count 513
Discarding 35 places :
Symmetric choice reduction at 0 with 35 rule applications. Total rules 47 place count 280 transition count 478
Iterating global reduction 0 with 35 rules applied. Total rules applied 82 place count 280 transition count 478
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 0 with 35 rules applied. Total rules applied 117 place count 280 transition count 443
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: -31
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 1 with 12 rules applied. Total rules applied 129 place count 274 transition count 474
Drop transitions removed 38 transitions
Redundant transition composition rules discarded 38 transitions
Iterating global reduction 1 with 38 rules applied. Total rules applied 167 place count 274 transition count 436
Discarding 35 places :
Symmetric choice reduction at 1 with 35 rule applications. Total rules 202 place count 239 transition count 401
Iterating global reduction 1 with 35 rules applied. Total rules applied 237 place count 239 transition count 401
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Iterating post reduction 1 with 35 rules applied. Total rules applied 272 place count 239 transition count 366
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 278 place count 236 transition count 363
Discarding 20 places :
Symmetric choice reduction at 2 with 20 rule applications. Total rules 298 place count 216 transition count 343
Iterating global reduction 2 with 20 rules applied. Total rules applied 318 place count 216 transition count 343
Ensure Unique test removed 20 transitions
Reduce isomorphic transitions removed 20 transitions.
Iterating post reduction 2 with 20 rules applied. Total rules applied 338 place count 216 transition count 323
Applied a total of 338 rules in 39 ms. Remains 216 /321 variables (removed 105) and now considering 323/520 (removed 197) transitions.
[2022-05-20 21:27:23] [INFO ] Flow matrix only has 288 transitions (discarded 35 similar events)
// Phase 1: matrix 288 rows 216 cols
[2022-05-20 21:27:23] [INFO ] Computed 64 place invariants in 2 ms
[2022-05-20 21:27:23] [INFO ] Implicit Places using invariants in 79 ms returned []
[2022-05-20 21:27:23] [INFO ] Flow matrix only has 288 transitions (discarded 35 similar events)
// Phase 1: matrix 288 rows 216 cols
[2022-05-20 21:27:23] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:27:23] [INFO ] State equation strengthened by 195 read => feed constraints.
[2022-05-20 21:27:23] [INFO ] Implicit Places using invariants and state equation in 220 ms returned []
Implicit Place search using SMT with State Equation took 301 ms to find 0 implicit places.
[2022-05-20 21:27:23] [INFO ] Redundant transitions in 1 ms returned []
[2022-05-20 21:27:23] [INFO ] Flow matrix only has 288 transitions (discarded 35 similar events)
// Phase 1: matrix 288 rows 216 cols
[2022-05-20 21:27:23] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:27:23] [INFO ] Dead Transitions using invariants and state equation in 158 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 216/321 places, 323/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 216/321 places, 323/520 transitions.
Stuttering acceptance computed with spot in 70 ms :[(OR (NOT p0) (NOT p2) (NOT p1)), (NOT p1)]
Running random walk in product with property : Raft-PT-08-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND p0 p2), acceptance={} source=0 dest: 0}, { cond=(OR (NOT p0) (NOT p2)), acceptance={0} source=0 dest: 0}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s184 1) (EQ s209 1)), p2:(AND (EQ s28 1) (EQ s197 1)), p1:(AND (EQ s99 1) (EQ s202 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA Raft-PT-08-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-12 finished in 587 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((G((p0 U (F(p2)&&p1))) U (p0 U X(X(p2)))))'
Support contains 6 out of 321 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 321/321 places, 520/520 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 320 transition count 518
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 320 transition count 518
Applied a total of 2 rules in 10 ms. Remains 320 /321 variables (removed 1) and now considering 518/520 (removed 2) transitions.
[2022-05-20 21:27:23] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:27:23] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:27:24] [INFO ] Implicit Places using invariants in 130 ms returned []
[2022-05-20 21:27:24] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:27:24] [INFO ] Computed 64 place invariants in 4 ms
[2022-05-20 21:27:24] [INFO ] State equation strengthened by 284 read => feed constraints.
[2022-05-20 21:27:24] [INFO ] Implicit Places using invariants and state equation in 456 ms returned []
Implicit Place search using SMT with State Equation took 588 ms to find 0 implicit places.
[2022-05-20 21:27:24] [INFO ] Flow matrix only has 490 transitions (discarded 28 similar events)
// Phase 1: matrix 490 rows 320 cols
[2022-05-20 21:27:24] [INFO ] Computed 64 place invariants in 1 ms
[2022-05-20 21:27:24] [INFO ] Dead Transitions using invariants and state equation in 182 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 320/321 places, 518/520 transitions.
Finished structural reductions, in 1 iterations. Remains : 320/321 places, 518/520 transitions.
Stuttering acceptance computed with spot in 411 ms :[(NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), (NOT p2), true, (NOT p2), (NOT p2), (NOT p2), (NOT p2), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2))]
Running random walk in product with property : Raft-PT-08-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 3}, { cond=(OR p0 p1), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={} source=1 dest: 5}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 5}, { cond=(OR p0 p1), acceptance={} source=3 dest: 7}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 8}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 9}, { cond=(OR p0 p1), acceptance={} source=4 dest: 10}], [{ cond=(NOT p2), acceptance={} source=5 dest: 6}], [{ cond=true, acceptance={0} source=6 dest: 6}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=7 dest: 6}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=7 dest: 11}, { cond=(OR (AND p0 (NOT p2)) (AND p1 (NOT p2))), acceptance={} source=7 dest: 12}], [{ cond=(NOT p2), acceptance={} source=8 dest: 5}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=9 dest: 5}, { cond=(OR (AND p0 (NOT p2)) (AND p1 (NOT p2))), acceptance={} source=9 dest: 7}], [{ cond=(AND p1 (NOT p2)), acceptance={0} source=10 dest: 2}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={0} source=10 dest: 8}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=10 dest: 9}, { cond=(OR (AND p0 (NOT p2)) (AND p1 (NOT p2))), acceptance={0} source=10 dest: 10}], [{ cond=(AND p1 (NOT p2)), acceptance={0} source=11 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=11 dest: 6}, { cond=(AND p0 (NOT p1)), acceptance={0} source=11 dest: 11}], [{ cond=(AND p1 (NOT p2)), acceptance={} source=12 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=12 dest: 6}, { cond=(AND p0 (NOT p1)), acceptance={} source=12 dest: 11}, { cond=(OR p0 p1), acceptance={} source=12 dest: 12}]], initial=0, aps=[p0:(AND (EQ s259 1) (EQ s292 1)), p1:(AND (EQ s212 1) (EQ s284 1)), p2:(AND (EQ s110 1) (EQ s296 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 317 steps with 105 reset in 4 ms.
FORMULA Raft-PT-08-LTLFireability-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Raft-PT-08-LTLFireability-13 finished in 1224 ms.
All properties solved by simple procedures.
Total runtime 70632 ms.

BK_STOP 1653082045222

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

+ export LANG=C
+ LANG=C
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ export PYTHONPATH=/usr/lib/python3.9/site-packages/
+ PYTHONPATH=/usr/lib/python3.9/site-packages/
+ export LD_LIBRARY_PATH=/usr/local/lib:
+ LD_LIBRARY_PATH=/usr/local/lib:
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202205111006.jar
+ VERSION=202205111006
+ echo 'Running Version 202205111006'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data @none -pnfolder /home/mcc/execution -examination LTLFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=@none -Xss128m -Xms40m -Xmx8192m

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="Raft-PT-08"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-4028"
echo " Executing tool itstools"
echo " Input is Raft-PT-08, 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 r186-tajo-165281572000268"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Raft-PT-08.tgz
mv Raft-PT-08 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 ;