Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2022-input.r258-tall-165303546200788.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2022-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...............
=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is TwoPhaseLocking-PT-nC00100vN, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r258-tall-165303546200788
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 236K
-rw-r--r-- 1 mcc users 7.2K Apr 30 10:38 CTLCardinality.txt
-rw-r--r-- 1 mcc users 71K Apr 30 10:38 CTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Apr 30 10:37 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K Apr 30 10:37 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K May 9 09:18 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K May 9 09:18 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K May 9 09:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 9 09:18 LTLFireability.xml
-rw-r--r-- 1 mcc users 1.8K May 9 09:18 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K May 9 09:18 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 10 09:34 equiv_col
-rw-r--r-- 1 mcc users 10 May 10 09:34 instance
-rw-r--r-- 1 mcc users 6 May 10 09:34 iscolored
-rw-r--r-- 1 mcc users 4.6K 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 TwoPhaseLocking-PT-nC00100vN-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC00100vN-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1653181227709

Running Version 202205111006
[2022-05-22 01:00:28] [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]
[2022-05-22 01:00:28] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2022-05-22 01:00:28] [INFO ] Load time of PNML (sax parser for PT used): 36 ms
[2022-05-22 01:00:28] [INFO ] Transformed 8 places.
[2022-05-22 01:00:28] [INFO ] Transformed 6 transitions.
[2022-05-22 01:00:28] [INFO ] Parsed PT model containing 8 places and 6 transitions in 130 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 14 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 8 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 7 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:29] [INFO ] Computed 3 place invariants in 5 ms
[2022-05-22 01:00:29] [INFO ] Implicit Places using invariants in 106 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:29] [INFO ] Computed 3 place invariants in 2 ms
[2022-05-22 01:00:29] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:29] [INFO ] Computed 3 place invariants in 17 ms
[2022-05-22 01:00:29] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2022-05-22 01:00:29] [INFO ] Flatten gal took : 14 ms
[2022-05-22 01:00:29] [INFO ] Flatten gal took : 2 ms
[2022-05-22 01:00:29] [INFO ] Input system was already deterministic with 6 transitions.
Finished random walk after 208 steps, including 0 resets, run visited all 7 properties in 19 ms. (steps per millisecond=10 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(!(p0 U p1))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 6 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:00:29] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:00:29] [INFO ] Implicit Places using invariants in 20 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:00:29] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:29] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2022-05-22 01:00:29] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:00:29] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:29] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions, in 1 iterations. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 170 ms :[true, p1]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p1, acceptance={} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}]], initial=1, aps=[p1:(GEQ s6 1), p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-00 finished in 313 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U (!F(X(F(p1)))||F(p0)||p2)))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:30] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:30] [INFO ] Implicit Places using invariants in 21 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:30] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:00:30] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 65 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:30] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:30] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 103 ms :[(NOT p0), (AND (NOT p0) (NOT p2) p1), (AND (NOT p0) p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p2) (NOT p0)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s7 1), p2:(GEQ s2 1), p1:(AND (GEQ s0 1) (GEQ s1 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][false, false, false]]
Product exploration explored 100000 steps with 10214 reset in 214 ms.
Product exploration explored 100000 steps with 10179 reset in 147 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 280 ms. Reduced automaton from 3 states, 4 edges and 3 AP to 3 states, 4 edges and 2 AP.
Stuttering acceptance computed with spot in 123 ms :[(NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 154 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=77 )
Knowledge obtained : [(AND (NOT p0) (NOT p2) (NOT p1)), (X (AND (NOT p0) p1)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p0) p1))), (X (X (NOT (AND (NOT p0) p1)))), (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F p0), (F p1)]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 327 ms. Reduced automaton from 3 states, 4 edges and 2 AP to 3 states, 4 edges and 2 AP.
Stuttering acceptance computed with spot in 101 ms :[(NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 117 ms :[(NOT p0), (NOT p0), (NOT p0)]
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:31] [INFO ] Computed 3 place invariants in 2 ms
[2022-05-22 01:00:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2022-05-22 01:00:31] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-22 01:00:31] [INFO ] [Real]Absence check using state equation in 4 ms returned sat
[2022-05-22 01:00:31] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-22 01:00:31] [INFO ] Added : 2 causal constraints over 1 iterations in 9 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:31] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:00:31] [INFO ] Implicit Places using invariants in 18 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:31] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:00:31] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:31] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:00:31] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X p1), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 173 ms. Reduced automaton from 3 states, 4 edges and 2 AP to 4 states, 7 edges and 2 AP.
Stuttering acceptance computed with spot in 146 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 215 steps, including 0 resets, run visited all 3 properties in 2 ms. (steps per millisecond=107 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X p1), true, (X (X (NOT p0)))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p0), (F (AND p1 p0)), (F p1)]
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 250 ms. Reduced automaton from 4 states, 7 edges and 2 AP to 4 states, 7 edges and 2 AP.
Stuttering acceptance computed with spot in 153 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 151 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:32] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:00:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2022-05-22 01:00:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-22 01:00:32] [INFO ] [Real]Absence check using state equation in 9 ms returned sat
[2022-05-22 01:00:32] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-22 01:00:32] [INFO ] Added : 2 causal constraints over 1 iterations in 13 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 137 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10212 reset in 97 ms.
Product exploration explored 100000 steps with 10243 reset in 83 ms.
Applying partial POR strategy [true, false, true, true]
Stuttering acceptance computed with spot in 132 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 6
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Iterating global reduction 1 with 1 rules applied. Total rules applied 2 place count 8 transition count 6
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 2 rules in 7 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2022-05-22 01:00:33] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:33] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:33] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/8 places, 6/6 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Product exploration explored 100000 steps with 15000 reset in 159 ms.
Product exploration explored 100000 steps with 15075 reset in 180 ms.
Built C files in :
/tmp/ltsmin4458558719452370415
[2022-05-22 01:00:33] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin4458558719452370415
Running compilation step : cd /tmp/ltsmin4458558719452370415;'/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 159 ms.
Running link step : cd /tmp/ltsmin4458558719452370415;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 34 ms.
Running LTSmin : cd /tmp/ltsmin4458558719452370415;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased12892082046554576045.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:48] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:48] [INFO ] Implicit Places using invariants in 26 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:48] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:48] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:00:48] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:00:48] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Built C files in :
/tmp/ltsmin15060944583262510506
[2022-05-22 01:00:48] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15060944583262510506
Running compilation step : cd /tmp/ltsmin15060944583262510506;'/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 73 ms.
Running link step : cd /tmp/ltsmin15060944583262510506;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 28 ms.
Running LTSmin : cd /tmp/ltsmin15060944583262510506;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased14320380212393649706.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2022-05-22 01:01:04] [INFO ] Flatten gal took : 1 ms
[2022-05-22 01:01:04] [INFO ] Flatten gal took : 1 ms
[2022-05-22 01:01:04] [INFO ] Time to serialize gal into /tmp/LTL1039316717109287351.gal : 0 ms
[2022-05-22 01:01:04] [INFO ] Time to serialize properties into /tmp/LTL12224684644158902051.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/LTL1039316717109287351.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL12224684644158902051.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/LTL1039316...267
Read 1 LTL properties
Checking formula 0 : !(((F("(haveA2andB>=1)"))U(((!(F(X(F("((resB>=1)&&(haveA>=1))")))))||(F("(haveA2andB>=1)")))||("(haveA2>=1)"))))
Formula 0 simplified : !(F"(haveA2andB>=1)" U ("(haveA2>=1)" | F"(haveA2andB>=1)" | !FXF"((resB>=1)&&(haveA>=1))"))
Detected timeout of ITS tools.
[2022-05-22 01:01:19] [INFO ] Flatten gal took : 3 ms
[2022-05-22 01:01:19] [INFO ] Applying decomposition
[2022-05-22 01:01:19] [INFO ] Flatten gal took : 2 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/graph5568975119824619324.txt' '-o' '/tmp/graph5568975119824619324.bin' '-w' '/tmp/graph5568975119824619324.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph5568975119824619324.bin' '-l' '-1' '-v' '-w' '/tmp/graph5568975119824619324.weights' '-q' '0' '-e' '0.001'
[2022-05-22 01:01:19] [INFO ] Decomposing Gal with order
[2022-05-22 01:01:19] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-22 01:01:19] [INFO ] Flatten gal took : 62 ms
[2022-05-22 01:01:19] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 1 ms.
[2022-05-22 01:01:19] [INFO ] Time to serialize gal into /tmp/LTL3714779053085444102.gal : 1 ms
[2022-05-22 01:01:19] [INFO ] Time to serialize properties into /tmp/LTL4038369483076404075.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/LTL3714779053085444102.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL4038369483076404075.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/LTL3714779...245
Read 1 LTL properties
Checking formula 0 : !(((F("(u2.haveA2andB>=1)"))U(((!(F(X(F("((u2.resB>=1)&&(u0.haveA>=1))")))))||(F("(u2.haveA2andB>=1)")))||("(u1.haveA2>=1)"))))
Formula 0 simplified : !(F"(u2.haveA2andB>=1)" U ("(u1.haveA2>=1)" | F"(u2.haveA2andB>=1)" | !FXF"((u2.resB>=1)&&(u0.haveA>=1))"))
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin12194520122967511808
[2022-05-22 01:01:34] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin12194520122967511808
Running compilation step : cd /tmp/ltsmin12194520122967511808;'/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 78 ms.
Running link step : cd /tmp/ltsmin12194520122967511808;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 26 ms.
Running LTSmin : cd /tmp/ltsmin12194520122967511808;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' '(<>((LTLAPp0==true)) U (!<>(X(<>((LTLAPp1==true))))||<>((LTLAPp0==true))||(LTLAPp2==true)))' '--buchi-type=spotba'
LTSmin run took 6707 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-01 finished in 70868 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(X(F(G((G(F((X(X(p0))||p1)))||p0)))))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:41] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:01:41] [INFO ] Implicit Places using invariants in 28 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:41] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:01:41] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2022-05-22 01:01:41] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:41] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:01:41] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 53 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(GEQ s6 1), p0:(GEQ s2 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]]
Product exploration explored 100000 steps with 5354 reset in 69 ms.
Product exploration explored 100000 steps with 7809 reset in 241 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 2 factoid took 94 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 64 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 2 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (AND (NOT p1) (NOT p0)))]
False Knowledge obtained : [(X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 107 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 61 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 49 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:41] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:01:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2022-05-22 01:01:41] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-22 01:01:41] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2022-05-22 01:01:41] [INFO ] Solution in real domain found non-integer solution.
[2022-05-22 01:01:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2022-05-22 01:01:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-22 01:01:41] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2022-05-22 01:01:41] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 3 ms.
[2022-05-22 01:01:41] [INFO ] Added : 2 causal constraints over 1 iterations in 15 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:41] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:01:41] [INFO ] Implicit Places using invariants in 17 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:41] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:01:41] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2022-05-22 01:01:41] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:41] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:01:41] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
Knowledge based reduction with 2 factoid took 121 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 74 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 52 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=52 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X (AND (NOT p0) (NOT p1)))]
False Knowledge obtained : [(X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 2 factoid took 121 ms. Reduced automaton from 2 states, 3 edges and 2 AP to 2 states, 3 edges and 2 AP.
Stuttering acceptance computed with spot in 63 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 70 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:42] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:01:42] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2022-05-22 01:01:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-22 01:01:42] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2022-05-22 01:01:42] [INFO ] Solution in real domain found non-integer solution.
[2022-05-22 01:01:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2022-05-22 01:01:42] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2022-05-22 01:01:42] [INFO ] [Nat]Absence check using state equation in 7 ms returned sat
[2022-05-22 01:01:42] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-22 01:01:42] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (AND (NOT p0) (NOT p1))
Stuttering acceptance computed with spot in 67 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 4277 reset in 60 ms.
Product exploration explored 100000 steps with 5894 reset in 129 ms.
Built C files in :
/tmp/ltsmin16278682953319460502
[2022-05-22 01:01:42] [INFO ] Computing symmetric may disable matrix : 6 transitions.
[2022-05-22 01:01:42] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:01:42] [INFO ] Computing symmetric may enable matrix : 6 transitions.
[2022-05-22 01:01:42] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:01:42] [INFO ] Computing Do-Not-Accords matrix : 6 transitions.
[2022-05-22 01:01:42] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:01:42] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin16278682953319460502
Running compilation step : cd /tmp/ltsmin16278682953319460502;'/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 60 ms.
Running link step : cd /tmp/ltsmin16278682953319460502;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 22 ms.
Running LTSmin : cd /tmp/ltsmin16278682953319460502;'/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/stateBased1327446787125951392.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 2 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:57] [INFO ] Computed 3 place invariants in 4 ms
[2022-05-22 01:01:57] [INFO ] Implicit Places using invariants in 36 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:57] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:01:57] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2022-05-22 01:01:57] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:01:57] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:01:57] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Built C files in :
/tmp/ltsmin14579650117321089726
[2022-05-22 01:01:57] [INFO ] Computing symmetric may disable matrix : 6 transitions.
[2022-05-22 01:01:57] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:01:57] [INFO ] Computing symmetric may enable matrix : 6 transitions.
[2022-05-22 01:01:57] [INFO ] Computation of Complete enable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:01:57] [INFO ] Computing Do-Not-Accords matrix : 6 transitions.
[2022-05-22 01:01:57] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:01:57] [INFO ] Built C files in 5ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin14579650117321089726
Running compilation step : cd /tmp/ltsmin14579650117321089726;'/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 66 ms.
Running link step : cd /tmp/ltsmin14579650117321089726;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin14579650117321089726;'/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/stateBased3733976062341589505.hoa' '--buchi-type=spotba'
WARNING : LTS min runner thread was asked to interrupt. Dying gracefully.
[2022-05-22 01:02:13] [INFO ] Flatten gal took : 2 ms
[2022-05-22 01:02:13] [INFO ] Flatten gal took : 1 ms
[2022-05-22 01:02:13] [INFO ] Time to serialize gal into /tmp/LTL12340154914713084230.gal : 0 ms
[2022-05-22 01:02:13] [INFO ] Time to serialize properties into /tmp/LTL14548111169145415374.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/LTL12340154914713084230.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL14548111169145415374.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/LTL1234015...268
Read 1 LTL properties
Checking formula 0 : !((F(G(X(F(G((G(F((X(X("(haveA2>=1)")))||("(haveAandB>=1)"))))||("(haveA2>=1)"))))))))
Formula 0 simplified : !FGXFG("(haveA2>=1)" | GF("(haveAandB>=1)" | XX"(haveA2>=1)"))
Detected timeout of ITS tools.
[2022-05-22 01:02:28] [INFO ] Flatten gal took : 3 ms
[2022-05-22 01:02:28] [INFO ] Applying decomposition
[2022-05-22 01:02:28] [INFO ] Flatten gal took : 3 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/graph15220656769322805952.txt' '-o' '/tmp/graph15220656769322805952.bin' '-w' '/tmp/graph15220656769322805952.weights'
Built communities with : '/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202205111006/bin/louvain-linux64' '/tmp/graph15220656769322805952.bin' '-l' '-1' '-v' '-w' '/tmp/graph15220656769322805952.weights' '-q' '0' '-e' '0.001'
[2022-05-22 01:02:28] [INFO ] Decomposing Gal with order
[2022-05-22 01:02:28] [INFO ] Rewriting arrays to variables to allow decomposition.
[2022-05-22 01:02:28] [INFO ] Flatten gal took : 1 ms
[2022-05-22 01:02:28] [INFO ] Fuse similar labels procedure discarded/fused a total of 0 labels/synchronizations in 0 ms.
[2022-05-22 01:02:28] [INFO ] Time to serialize gal into /tmp/LTL5132151214344083218.gal : 1 ms
[2022-05-22 01:02:28] [INFO ] Time to serialize properties into /tmp/LTL519618491809323250.ltl : 0 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/LTL5132151214344083218.gal' '-t' 'CGAL' '-LTL' '/tmp/LTL519618491809323250.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/LTL5132151...244
Read 1 LTL properties
Checking formula 0 : !((F(G(X(F(G((G(F((X(X("(u2.haveA2>=1)")))||("(u1.haveAandB>=1)"))))||("(u2.haveA2>=1)"))))))))
Formula 0 simplified : !FGXFG("(u2.haveA2>=1)" | GF("(u1.haveAandB>=1)" | XX"(u2.haveA2>=1)"))
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin1209077869041591118
[2022-05-22 01:02:43] [INFO ] Built C files in 1ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin1209077869041591118
Running compilation step : cd /tmp/ltsmin1209077869041591118;'/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 63 ms.
Running link step : cd /tmp/ltsmin1209077869041591118;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin1209077869041591118;'/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202205111006/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--ltl' '<>([](X(<>([](([](<>((X(X((LTLAPp0==true)))||(LTLAPp1==true))))||(LTLAPp0==true)))))))' '--buchi-type=spotba'
LTSmin run took 10789 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-03 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-03 finished in 73079 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G((G(p0)||X(!p0))))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants in 33 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 72 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, p0, (NOT p0), false, false]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 1}, { cond=p0, acceptance={} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={} source=4 dest: 1}, { cond=p0, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(LT s7 1)], 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][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 10 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-04 finished in 234 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((X(p0)&&G(F(G(p1)))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants in 18 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Dead Transitions using invariants and state equation in 16 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p1) (NOT p0)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(GEQ s7 1), p1:(AND (GEQ s3 1) (GEQ s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], 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 TwoPhaseLocking-PT-nC00100vN-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-05 finished in 168 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((X(F(p0))||G(X(G(p1)))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants in 18 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=2 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (LT s0 1) (LT s1 1)), p1:(AND (GEQ s3 1) (GEQ s4 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][false, false, false]]
Product exploration explored 100000 steps with 723 reset in 93 ms.
Stack based approach found an accepted trace after 37 steps with 0 reset with depth 38 and stack size 38 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-06 finished in 261 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(G(X((F(((X(p0) U p0)||p1))&&X(X(p2))))))'
Support contains 4 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants in 14 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:54] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:54] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 199 ms :[(OR (NOT p2) (AND (NOT p0) (NOT p1))), (OR (NOT p2) (AND (NOT p0) (NOT p1))), (NOT p2), (AND (NOT p1) (NOT p0)), (NOT p2), true]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=true, acceptance={} source=1 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={} source=4 dest: 5}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s4 1)), p0:(AND (GEQ s3 1) (GEQ s5 1)), p2:(GEQ s6 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][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-08 finished in 280 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U X(!p1)))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:55] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:55] [INFO ] Implicit Places using invariants in 18 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:55] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:55] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:55] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:55] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 114 ms :[p1, (AND (NOT p0) p1), p1, (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 3}], [{ cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 1}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(GEQ s2 1), p1:(OR (AND (GEQ s3 1) (GEQ s5 1)) (GEQ s2 1))], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 7449 reset in 69 ms.
Stack based approach found an accepted trace after 6498 steps with 489 reset with depth 9 and stack size 9 in 6 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-09 finished in 266 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((X(X(!(p0 U G(F(X(F(G(!F(p1))))))))) U p0))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 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 7 transition count 5
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:55] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:55] [INFO ] Implicit Places using invariants in 17 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:55] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:55] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2022-05-22 01:02:55] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:55] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:55] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions, in 1 iterations. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 85 ms :[(NOT p0), (NOT p1), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=0 dest: 1}, { cond=(NOT p0), acceptance={0} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1)), p1:(GEQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 15837 reset in 69 ms.
Product exploration explored 100000 steps with 16132 reset in 160 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 6 factoid took 241 ms. Reduced automaton from 3 states, 6 edges and 2 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 64 ms :[(NOT p1), (NOT p1)]
Finished random walk after 52 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=52 )
Knowledge obtained : [(AND (NOT p0) (NOT p1)), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT p1)), true, (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 6 factoid took 268 ms. Reduced automaton from 2 states, 3 edges and 1 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 54 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 54 ms :[(NOT p1), (NOT p1)]
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:56] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:56] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2022-05-22 01:02:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-22 01:02:56] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2022-05-22 01:02:56] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2022-05-22 01:02:56] [INFO ] Added : 2 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 1 out of 7 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 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:56] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:56] [INFO ] Implicit Places using invariants in 16 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:56] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:56] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 37 ms to find 0 implicit places.
[2022-05-22 01:02:56] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:56] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:56] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 7/7 places, 5/5 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(NOT p1), (X (NOT p1))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1))]
Knowledge based reduction with 2 factoid took 101 ms. Reduced automaton from 2 states, 3 edges and 1 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 72 ms :[(NOT p1), (NOT p1)]
Finished random walk after 52 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=52 )
Knowledge obtained : [(NOT p1), (X (NOT p1))]
False Knowledge obtained : [(X (X (NOT p1))), (X (X p1)), (F p1)]
Knowledge based reduction with 2 factoid took 137 ms. Reduced automaton from 2 states, 3 edges and 1 AP to 2 states, 3 edges and 1 AP.
Stuttering acceptance computed with spot in 60 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 61 ms :[(NOT p1), (NOT p1)]
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:56] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2022-05-22 01:02:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2022-05-22 01:02:56] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2022-05-22 01:02:56] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2022-05-22 01:02:56] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 50 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 11795 reset in 72 ms.
Product exploration explored 100000 steps with 12327 reset in 91 ms.
Built C files in :
/tmp/ltsmin13368120332242349995
[2022-05-22 01:02:57] [INFO ] Computing symmetric may disable matrix : 5 transitions.
[2022-05-22 01:02:57] [INFO ] Computation of Complete disable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:02:57] [INFO ] Computing symmetric may enable matrix : 5 transitions.
[2022-05-22 01:02:57] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:02:57] [INFO ] Computing Do-Not-Accords matrix : 5 transitions.
[2022-05-22 01:02:57] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2022-05-22 01:02:57] [INFO ] Built C files in 2ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin13368120332242349995
Running compilation step : cd /tmp/ltsmin13368120332242349995;'/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 67 ms.
Running link step : cd /tmp/ltsmin13368120332242349995;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 29 ms.
Running LTSmin : cd /tmp/ltsmin13368120332242349995;'/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/stateBased16264941597949684132.hoa' '--buchi-type=spotba'
LTSmin run took 1374 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-10 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-10 finished in 3396 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:58] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:58] [INFO ] Implicit Places using invariants in 24 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:58] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:58] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:58] [INFO ] Computed 3 place invariants in 2 ms
[2022-05-22 01:02:58] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 53 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LT s0 1) (LT s1 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][false, false]]
Product exploration explored 100000 steps with 877 reset in 69 ms.
Stack based approach found an accepted trace after 25 steps with 1 reset with depth 23 and stack size 23 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-11 finished in 200 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(((p0 U p1)||(F(X(X((X(X(p1))||p1)))) U G(p1))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 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 7 transition count 5
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:58] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:58] [INFO ] Implicit Places using invariants in 22 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:58] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:58] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2022-05-22 01:02:58] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:58] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:58] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions, in 1 iterations. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(GEQ s5 1), p0:(AND (GEQ s0 1) (GEQ s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 64 ms.
Stack based approach found an accepted trace after 8 steps with 0 reset with depth 9 and stack size 9 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-12 finished in 201 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(F(X(X(X((G(X(X(G(F(p0)))))&&G(p1)))))))'
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Applied a total of 2 rules in 1 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:59] [INFO ] Implicit Places using invariants in 19 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:59] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 39 ms to find 0 implicit places.
[2022-05-22 01:02:59] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 5 rows 7 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:59] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions, in 1 iterations. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 55 ms :[(OR (NOT p1) (NOT p0)), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(OR (LT s3 1) (LT s5 1)), p0:(LT s6 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 42 reset in 70 ms.
Stack based approach found an accepted trace after 30 steps with 0 reset with depth 31 and stack size 31 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-13 finished in 211 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0) U F(G(p0))))'
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 8 transition count 5
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 2 place count 7 transition count 5
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 2 place count 7 transition count 4
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 4 place count 6 transition count 4
Applied a total of 4 rules in 3 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:59] [INFO ] Implicit Places using invariants in 19 ms returned []
// Phase 1: matrix 4 rows 6 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:59] [INFO ] Implicit Places using invariants and state equation in 18 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2022-05-22 01:02:59] [INFO ] Redundant transitions in 0 ms returned []
// Phase 1: matrix 4 rows 6 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:59] [INFO ] Dead Transitions using invariants and state equation in 14 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions, in 1 iterations. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, 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 57 ms.
Stack based approach found an accepted trace after 511 steps with 0 reset with depth 512 and stack size 267 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-14 finished in 172 ms.
Running Spot : cd /home/mcc/execution;'/home/mcc/BenchKit/bin//..//ltl2tgba' '--check=stutter' '--hoaf=tv' '-f' '!(X((X(G(X(F(p0))))&&G(p0))))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:59] [INFO ] Implicit Places using invariants in 21 ms returned []
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 1 ms
[2022-05-22 01:02:59] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
// Phase 1: matrix 6 rows 8 cols
[2022-05-22 01:02:59] [INFO ] Computed 3 place invariants in 0 ms
[2022-05-22 01:02:59] [INFO ] Dead Transitions using invariants and state equation in 17 ms found 0 transitions.
Finished structural reductions, in 1 iterations. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 61 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC00100vN-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(GEQ s2 1)], 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][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC00100vN-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC00100vN-LTLFireability-15 finished in 136 ms.
All properties solved by simple procedures.
Total runtime 150802 ms.

BK_STOP 1653181379684

--------------------
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
++ perl -pe 's/.*\.//g'
++ sed s/.jar//
++ 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="TwoPhaseLocking-PT-nC00100vN"
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 TwoPhaseLocking-PT-nC00100vN, 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 r258-tall-165303546200788"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC00100vN.tgz
mv TwoPhaseLocking-PT-nC00100vN 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 ;