fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r489-tall-167912707400916
Last Updated
May 14, 2023

About the Execution of LTSMin+red for TwoPhaseLocking-PT-nC05000vD

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
414.451 12514.00 19429.00 283.40 FFFT?TTFFFFFTFF? normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r489-tall-167912707400916.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
...........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is TwoPhaseLocking-PT-nC05000vD, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912707400916
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 464K
-rw-r--r-- 1 mcc users 7.0K Feb 25 17:56 CTLCardinality.txt
-rw-r--r-- 1 mcc users 68K Feb 25 17:56 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 25 17:55 CTLFireability.txt
-rw-r--r-- 1 mcc users 52K Feb 25 17:55 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K Feb 25 17:24 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:24 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 17:24 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Feb 25 17:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 17:57 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Feb 25 17:57 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:56 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 25 17:56 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:24 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:24 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 4.6K Mar 5 18:23 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-nC05000vD-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC05000vD-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679334172522

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=TwoPhaseLocking-PT-nC05000vD
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 17:42:54] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 17:42:54] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 17:42:54] [INFO ] Load time of PNML (sax parser for PT used): 18 ms
[2023-03-20 17:42:54] [INFO ] Transformed 8 places.
[2023-03-20 17:42:54] [INFO ] Transformed 6 transitions.
[2023-03-20 17:42:54] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 77 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-08 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
[2023-03-20 17:42:54] [INFO ] Computed 3 place invariants in 5 ms
[2023-03-20 17:42:54] [INFO ] Implicit Places using invariants in 108 ms returned []
[2023-03-20 17:42:54] [INFO ] Invariant cache hit.
[2023-03-20 17:42:54] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2023-03-20 17:42:54] [INFO ] Invariant cache hit.
[2023-03-20 17:42:54] [INFO ] Dead Transitions using invariants and state equation in 36 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 214 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 8 out of 8 places after structural reductions.
[2023-03-20 17:42:54] [INFO ] Flatten gal took : 13 ms
[2023-03-20 17:42:54] [INFO ] Flatten gal took : 3 ms
[2023-03-20 17:42:54] [INFO ] Input system was already deterministic with 6 transitions.
Incomplete random walk after 10006 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 9) seen :5
Finished Best-First random walk after 146 steps, including 0 resets, run visited all 4 properties in 3 ms. (steps per millisecond=48 )
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((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 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 8 transition count 5
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 4 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-20 17:42:55] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 17:42:55] [INFO ] Implicit Places using invariants in 26 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 29 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 34 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 191 ms :[(NOT p1), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}]], initial=0, aps=[p1:(GEQ s5 1), p0:(AND (GEQ s3 1) (GEQ s4 1))], nbAcceptance=0, 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 22668 reset in 190 ms.
Product exploration explored 100000 steps with 22658 reset in 108 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 (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0)))))]
Knowledge based reduction with 5 factoid took 292 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 70 ms :[(NOT p1), (NOT p0)]
Incomplete random walk after 10006 steps, including 2 resets, run finished after 4 ms. (steps per millisecond=2501 ) properties (out of 3) seen :2
Finished Best-First random walk after 7 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=7 )
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1), (F p0), (F (NOT (AND (NOT p0) (NOT p1))))]
Knowledge based reduction with 5 factoid took 358 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p1), (NOT p0)]
Stuttering acceptance computed with spot in 79 ms :[(NOT p1), (NOT p0)]
// Phase 1: matrix 5 rows 6 cols
[2023-03-20 17:42:56] [INFO ] Computed 2 place invariants in 1 ms
Proved EG (NOT p1)
Knowledge obtained : [(AND (NOT p1) (NOT p0)), (X (NOT p0)), (X (AND (NOT p1) (NOT p0))), (X (NOT p1)), (X (X (NOT p1)))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (X (X (AND (NOT p1) (NOT p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (F p1), (F p0), (F (NOT (AND (NOT p0) (NOT p1)))), (G (NOT p1))]
Property proved to be false thanks to negative knowledge :(G (NOT p1))
Knowledge based reduction with 5 factoid took 246 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 1 states, 1 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-00 FALSE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-00 finished in 1762 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(G((p0&&X((p0||X(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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
// Phase 1: matrix 6 rows 8 cols
[2023-03-20 17:42:56] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 17:42:56] [INFO ] Implicit Places using invariants in 38 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 42 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 43 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 1}], [{ cond=(NOT p0), acceptance={} source=4 dest: 0}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=2, aps=[p0:(LT s5 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 4 steps with 0 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-01 finished in 233 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(!(X(F(p0)) U !(p1 U p1)))))'
Support contains 4 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.
[2023-03-20 17:42:57] [INFO ] Invariant cache hit.
[2023-03-20 17:42:57] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-20 17:42:57] [INFO ] Invariant cache hit.
[2023-03-20 17:42:57] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-20 17:42:57] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 17:42:57] [INFO ] Invariant cache hit.
[2023-03-20 17:42:57] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 90 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 179 ms :[(NOT p1), (NOT p1), (AND (NOT p1) p0), (AND (NOT p1) p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0, 1} source=1 dest: 1}, { cond=p1, acceptance={0, 1} source=1 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={0, 1} source=2 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND p1 p0), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={1} source=2 dest: 3}], [{ cond=(AND (NOT p1) p0), acceptance={0, 1} source=3 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={1} source=3 dest: 2}, { cond=(AND p1 p0), acceptance={0, 1} source=3 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={1} source=3 dest: 3}]], initial=0, aps=[p1:(AND (GEQ s0 1) (GEQ s1 1)), p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Product exploration explored 100000 steps with 0 reset in 146 ms.
Stack based approach found an accepted trace after 33 steps with 0 reset with depth 34 and stack size 34 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-02 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-02 finished in 433 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((G(!p0)||(p0&&X((p0 U (p1||G(p0))))))))'
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.
[2023-03-20 17:42:57] [INFO ] Invariant cache hit.
[2023-03-20 17:42:57] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 17:42:57] [INFO ] Invariant cache hit.
[2023-03-20 17:42:57] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 61 ms to find 0 implicit places.
[2023-03-20 17:42:57] [INFO ] Invariant cache hit.
[2023-03-20 17:42:57] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 91 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 78 ms :[false, false]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={0, 1} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={1} source=1 dest: 1}]], initial=0, aps=[p0:(LT s6 1), p1:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 55 ms.
Product exploration explored 100000 steps with 50000 reset in 155 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 p0 p1), (X p0), (X (NOT (AND p0 (NOT p1)))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge sufficient to adopt a stutter insensitive property.
Property proved to be true thanks to knowledge :(AND p0 p1)
Knowledge based reduction with 6 factoid took 224 ms. Reduced automaton from 2 states, 4 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-03 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-03 finished in 630 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(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 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 0 place count 8 transition count 5
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 4 ms. Remains 7 /8 variables (removed 1) and now considering 5/6 (removed 1) transitions.
// Phase 1: matrix 5 rows 7 cols
[2023-03-20 17:42:58] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 17:42:58] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-20 17:42:58] [INFO ] Invariant cache hit.
[2023-03-20 17:42:58] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2023-03-20 17:42:58] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 17:42:58] [INFO ] Invariant cache hit.
[2023-03-20 17:42:58] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-04 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 (LT s3 1) (LT s5 1) (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 10115 reset in 69 ms.
Product exploration explored 100000 steps with 10055 reset in 111 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 75 ms :[(NOT p0), (NOT p0)]
Finished random walk after 2501 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=833 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 125 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 74 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 66 ms :[(NOT p0), (NOT p0)]
[2023-03-20 17:42:59] [INFO ] Invariant cache hit.
[2023-03-20 17:42:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 17:42:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 17:42:59] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-20 17:42:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 17:42:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 17:42:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 17:42:59] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-03-20 17:42:59] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-20 17:42:59] [INFO ] Added : 1 causal constraints over 1 iterations in 5 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 7/7 places, 5/5 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-20 17:42:59] [INFO ] Invariant cache hit.
[2023-03-20 17:42:59] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-20 17:42:59] [INFO ] Invariant cache hit.
[2023-03-20 17:42:59] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-20 17:42:59] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 17:42:59] [INFO ] Invariant cache hit.
[2023-03-20 17:42:59] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 81 ms. 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 p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 124 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 125 ms :[(NOT p0), (NOT p0)]
Finished random walk after 2501 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=833 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 143 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 81 ms :[(NOT p0), (NOT p0)]
[2023-03-20 17:42:59] [INFO ] Invariant cache hit.
[2023-03-20 17:42:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 17:42:59] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 17:42:59] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-20 17:42:59] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 17:42:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 17:42:59] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 17:42:59] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-20 17:42:59] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 17:42:59] [INFO ] Added : 1 causal constraints over 1 iterations in 6 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 72 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 10115 reset in 73 ms.
Product exploration explored 100000 steps with 10070 reset in 83 ms.
Support contains 3 out of 7 places. Attempting structural reductions.
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.
[2023-03-20 17:43:00] [INFO ] Invariant cache hit.
[2023-03-20 17:43:00] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 17:43:00] [INFO ] Invariant cache hit.
[2023-03-20 17:43:00] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 17:43:00] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 17:43:00] [INFO ] Invariant cache hit.
[2023-03-20 17:43:00] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 82 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-04 finished in 2012 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(!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
[2023-03-20 17:43:00] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 17:43:00] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-20 17:43:00] [INFO ] Invariant cache hit.
[2023-03-20 17:43:00] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
[2023-03-20 17:43:00] [INFO ] Invariant cache hit.
[2023-03-20 17:43:00] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 69 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 95 ms :[true, p0, p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 0}, { cond=(NOT p0), acceptance={} source=2 dest: 2}]], initial=1, 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-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 1 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-07 finished in 177 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(!p0)&&X(X(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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 17:43:00] [INFO ] Invariant cache hit.
[2023-03-20 17:43:00] [INFO ] Implicit Places using invariants in 26 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 27 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 28 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 218 ms :[(OR (NOT p1) p0), p0, (NOT p1), (NOT p1), true]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LT s5 1), p1:(AND (GEQ s0 1) (GEQ s1 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][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 11 steps with 2 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-09 finished in 268 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X((F(!p0) U p1))&&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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 17:43:00] [INFO ] Invariant cache hit.
[2023-03-20 17:43:00] [INFO ] Implicit Places using invariants in 29 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 30 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 1 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 32 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 183 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), p0]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 2}], [{ cond=p0, acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(GEQ s6 1), p1:(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 7458 reset in 85 ms.
Stack based approach found an accepted trace after 834 steps with 66 reset with depth 29 and stack size 29 in 1 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-10 finished in 322 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((G(((p1 U p2)&&p0))||F(G(!p3)))))'
Support contains 5 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.
[2023-03-20 17:43:01] [INFO ] Invariant cache hit.
[2023-03-20 17:43:01] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-20 17:43:01] [INFO ] Invariant cache hit.
[2023-03-20 17:43:01] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 17:43:01] [INFO ] Invariant cache hit.
[2023-03-20 17:43:01] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 76 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 207 ms :[(OR (AND (NOT p0) p3) (AND (NOT p2) p3)), p3, (AND (NOT p2) p3), (OR (AND (NOT p0) p3) (AND (NOT p2) p3))]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(OR (AND p0 p2) (AND p0 p1)), acceptance={} source=0 dest: 0}, { cond=(OR (NOT p0) (AND (NOT p2) (NOT p1))), acceptance={} source=0 dest: 1}, { cond=(AND p0 (NOT p2) p1 p3), acceptance={} source=0 dest: 2}], [{ cond=(NOT p3), acceptance={} source=1 dest: 1}, { cond=p3, acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p2) p1 (NOT p3)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) p1 p3), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1)), p2:(AND (GEQ s3 1) (GEQ s5 1)), p1:(AND (GEQ s3 1) (GEQ s4 1)), p3:(AND (GEQ s0 1) (GEQ s1 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 81 ms.
Stack based approach found an accepted trace after 47 steps with 0 reset with depth 48 and stack size 48 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-11 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-11 finished in 392 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X(X(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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 17:43:01] [INFO ] Invariant cache hit.
[2023-03-20 17:43:01] [INFO ] Implicit Places using invariants in 22 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 24 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 7/8 places, 6/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 7 /7 variables (removed 0) and now considering 6/6 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 25 ms. Remains : 7/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 212 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 4}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}], [{ cond=(NOT p0), acceptance={} source=3 dest: 0}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 2}]], initial=5, aps=[p0:(LT s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, 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]]
Product exploration explored 100000 steps with 50000 reset in 38 ms.
Product exploration explored 100000 steps with 50000 reset in 46 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 : [p0, (X p0), true]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 62 ms. Reduced automaton from 6 states, 6 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-12 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-12 finished in 408 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 6/6 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. 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 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 4 place count 6 transition count 4
Applied a total of 4 rules in 8 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2023-03-20 17:43:01] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 17:43:01] [INFO ] Implicit Places using invariants in 24 ms returned [4]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 25 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 34 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 78 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-13 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:(LT s4 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 3217 reset in 48 ms.
Stack based approach found an accepted trace after 14 steps with 1 reset with depth 11 and stack size 11 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-13 finished in 171 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||G(p1)||G(!p2))))'
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
[2023-03-20 17:43:01] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 17:43:02] [INFO ] Implicit Places using invariants in 22 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 23 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 5/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 6 /6 variables (removed 0) and now considering 5/5 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 25 ms. Remains : 6/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 39 ms :[(AND (NOT p1) (NOT p0) p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0) (NOT p2)), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0) p2), acceptance={1} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0) p2), acceptance={0, 1} source=0 dest: 0}]], initial=0, aps=[p1:(AND (GEQ s0 1) (GEQ s1 1)), p0:(AND (GEQ s2 1) (GEQ s0 1) (GEQ s1 1)), p2:(GEQ s2 1)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 8727 reset in 97 ms.
Stack based approach found an accepted trace after 18 steps with 2 reset with depth 5 and stack size 5 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC05000vD-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-14 finished in 180 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||X(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 1 ms. Remains 6 /8 variables (removed 2) and now considering 4/6 (removed 2) transitions.
// Phase 1: matrix 4 rows 6 cols
[2023-03-20 17:43:02] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 17:43:02] [INFO ] Implicit Places using invariants in 33 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 37 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 5/8 places, 4/6 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 39 ms. Remains : 5/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC05000vD-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s4 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Product exploration explored 100000 steps with 24971 reset in 43 ms.
Product exploration explored 100000 steps with 24973 reset in 51 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 : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 127 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Finished random walk after 2502 steps, including 0 resets, run visited all 1 properties in 4 ms. (steps per millisecond=625 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 153 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 32 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
// Phase 1: matrix 4 rows 5 cols
[2023-03-20 17:43:02] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-20 17:43:02] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 17:43:02] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 17:43:02] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-20 17:43:02] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 17:43:02] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-20 17:43:02] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 17:43:02] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-20 17:43:02] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 17:43:02] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 2 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 0 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2023-03-20 17:43:02] [INFO ] Invariant cache hit.
[2023-03-20 17:43:02] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-20 17:43:02] [INFO ] Invariant cache hit.
[2023-03-20 17:43:02] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-20 17:43:02] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 17:43:02] [INFO ] Invariant cache hit.
[2023-03-20 17:43:02] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 76 ms. Remains : 5/5 places, 4/4 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 p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 127 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Finished random walk after 2502 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=1251 )
Knowledge obtained : [(NOT p0), (X (NOT p0))]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0)), (F p0)]
Knowledge based reduction with 2 factoid took 123 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 1 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2023-03-20 17:43:03] [INFO ] Invariant cache hit.
[2023-03-20 17:43:03] [INFO ] [Real]Absence check using 2 positive place invariants in 1 ms returned sat
[2023-03-20 17:43:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 17:43:03] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-20 17:43:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 17:43:03] [INFO ] [Nat]Absence check using 2 positive place invariants in 0 ms returned sat
[2023-03-20 17:43:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 17:43:03] [INFO ] [Nat]Absence check using state equation in 3 ms returned sat
[2023-03-20 17:43:03] [INFO ] Computed and/alt/rep : 3/3/3 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 17:43:03] [INFO ] Added : 2 causal constraints over 1 iterations in 16 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Product exploration explored 100000 steps with 25002 reset in 37 ms.
Product exploration explored 100000 steps with 24954 reset in 47 ms.
Support contains 2 out of 5 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 5/5 places, 4/4 transitions.
Applied a total of 0 rules in 1 ms. Remains 5 /5 variables (removed 0) and now considering 4/4 (removed 0) transitions.
[2023-03-20 17:43:03] [INFO ] Invariant cache hit.
[2023-03-20 17:43:03] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-20 17:43:03] [INFO ] Invariant cache hit.
[2023-03-20 17:43:03] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-20 17:43:03] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 17:43:03] [INFO ] Invariant cache hit.
[2023-03-20 17:43:03] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 77 ms. Remains : 5/5 places, 4/4 transitions.
Treatment of property TwoPhaseLocking-PT-nC05000vD-LTLFireability-15 finished in 1444 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||X(p0))))'
[2023-03-20 17:43:03] [INFO ] Flatten gal took : 5 ms
[2023-03-20 17:43:03] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-20 17:43:03] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 8 places, 6 transitions and 18 arcs took 0 ms.
Total runtime 9604 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1142/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1142/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : TwoPhaseLocking-PT-nC05000vD-LTLFireability-04
Could not compute solution for formula : TwoPhaseLocking-PT-nC05000vD-LTLFireability-15

BK_STOP 1679334185036

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name TwoPhaseLocking-PT-nC05000vD-LTLFireability-04
ltl formula formula --ltl=/tmp/1142/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 8 places, 6 transitions and 18 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1142/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1142/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1142/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1142/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)
ltl formula name TwoPhaseLocking-PT-nC05000vD-LTLFireability-15
ltl formula formula --ltl=/tmp/1142/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 8 places, 6 transitions and 18 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.000 real 0.000 user 0.000 sys
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1142/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1142/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1142/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1142/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 1 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
double free or corruption (fasttop)

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-nC05000vD"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is TwoPhaseLocking-PT-nC05000vD, 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 r489-tall-167912707400916"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC05000vD.tgz
mv TwoPhaseLocking-PT-nC05000vD 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 ;