fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r489-tall-167912707400892
Last Updated
May 14, 2023

About the Execution of LTSMin+red for TwoPhaseLocking-PT-nC01000vN

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
471.672 21797.00 32272.00 519.20 ?FTFFFF?FTFF?FFF 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-167912707400892.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-nC01000vN, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r489-tall-167912707400892
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 396K
-rw-r--r-- 1 mcc users 6.8K Feb 25 17:41 CTLCardinality.txt
-rw-r--r-- 1 mcc users 65K Feb 25 17:41 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 17:40 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 25 17:40 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:23 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 17:23 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 17:23 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 17:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.8K Feb 25 17:42 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 25 17:42 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K Feb 25 17:42 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 25 17:42 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 17:23 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 17:23 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-nC01000vN-LTLFireability-00
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-01
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-02
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-03
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-04
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-05
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-06
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-07
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-08
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-09
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-10
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-11
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-12
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-13
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-14
FORMULA_NAME TwoPhaseLocking-PT-nC01000vN-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679331081841

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-nC01000vN
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-20 16:51:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-20 16:51:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-20 16:51:23] [INFO ] Load time of PNML (sax parser for PT used): 17 ms
[2023-03-20 16:51:23] [INFO ] Transformed 8 places.
[2023-03-20 16:51:23] [INFO ] Transformed 6 transitions.
[2023-03-20 16:51:23] [INFO ] Parsed PT model containing 8 places and 6 transitions and 18 arcs in 76 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 7 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 14 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 16:51:23] [INFO ] Computed 3 place invariants in 5 ms
[2023-03-20 16:51:23] [INFO ] Implicit Places using invariants in 103 ms returned []
[2023-03-20 16:51:23] [INFO ] Invariant cache hit.
[2023-03-20 16:51:23] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
[2023-03-20 16:51:23] [INFO ] Invariant cache hit.
[2023-03-20 16:51:23] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 201 ms. Remains : 8/8 places, 6/6 transitions.
Support contains 7 out of 8 places after structural reductions.
[2023-03-20 16:51:24] [INFO ] Flatten gal took : 13 ms
[2023-03-20 16:51:24] [INFO ] Flatten gal took : 2 ms
[2023-03-20 16:51:24] [INFO ] Input system was already deterministic with 6 transitions.
Finished random walk after 2005 steps, including 0 resets, run visited all 10 properties in 13 ms. (steps per millisecond=154 )
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
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 G((p1||G(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 16:51:24] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-20 16:51:24] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-20 16:51:24] [INFO ] Invariant cache hit.
[2023-03-20 16:51:24] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 66 ms to find 0 implicit places.
[2023-03-20 16:51:24] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-20 16:51:24] [INFO ] Invariant cache hit.
[2023-03-20 16:51:24] [INFO ] Dead Transitions using invariants and state equation in 24 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 103 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 230 ms :[(AND (NOT p1) (NOT p0)), (NOT p0), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=(OR p1 p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0, 1} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={1} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0, 1} source=1 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0, 1} source=2 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 1}, { cond=(AND p1 p0), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={1} source=2 dest: 2}]], initial=0, aps=[p1:(GEQ s6 1), p0:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 231 ms.
Product exploration explored 100000 steps with 0 reset in 208 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) p0), (X (OR p1 p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p1 p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (AND (NOT p1) p0)), (X (X (OR p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (AND (NOT p1) p0)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 687 ms. Reduced automaton from 3 states, 10 edges and 2 AP (stutter insensitive) to 3 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 108 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Finished random walk after 1505 steps, including 0 resets, run visited all 6 properties in 3 ms. (steps per millisecond=501 )
Knowledge obtained : [(AND (NOT p1) p0), (X (OR p1 p0)), (X (NOT (AND p1 (NOT p0)))), (X (NOT (AND p1 p0))), (X (NOT (AND (NOT p1) (NOT p0)))), (X p0), (X (AND (NOT p1) p0)), (X (X (OR p1 p0))), (X (X (NOT (AND p1 (NOT p0))))), (X (X (NOT (AND p1 p0)))), (X (X (NOT (AND (NOT p1) (NOT p0))))), (X (X p0)), (X (X (AND (NOT p1) p0)))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (NOT p0)), (F (AND p0 p1)), (F (NOT (OR p0 p1))), (F (NOT (AND p0 (NOT p1)))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 13 factoid took 665 ms. Reduced automaton from 3 states, 10 edges and 2 AP (stutter insensitive) to 3 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 110 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 114 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
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 2 ms. Remains 7 /7 variables (removed 0) and now considering 5/5 (removed 0) transitions.
[2023-03-20 16:51:27] [INFO ] Invariant cache hit.
[2023-03-20 16:51:27] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-20 16:51:27] [INFO ] Invariant cache hit.
[2023-03-20 16:51:27] [INFO ] Implicit Places using invariants and state equation in 31 ms returned []
Implicit Place search using SMT with State Equation took 59 ms to find 0 implicit places.
[2023-03-20 16:51:27] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 16:51:27] [INFO ] Invariant cache hit.
[2023-03-20 16:51:27] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 91 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 : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (OR p0 p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (OR p0 p1)))]
False Knowledge obtained : []
Knowledge based reduction with 13 factoid took 561 ms. Reduced automaton from 3 states, 10 edges and 2 AP (stutter insensitive) to 3 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 124 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Finished random walk after 1509 steps, including 0 resets, run visited all 6 properties in 4 ms. (steps per millisecond=377 )
Knowledge obtained : [(AND p0 (NOT p1)), (X (NOT (AND (NOT p0) p1))), (X p0), (X (NOT (AND (NOT p0) (NOT p1)))), (X (AND p0 (NOT p1))), (X (NOT (AND p0 p1))), (X (OR p0 p1)), (X (X (NOT (AND (NOT p0) p1)))), (X (X p0)), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (AND p0 (NOT p1)))), (X (X (NOT (AND p0 p1)))), (X (X (OR p0 p1)))]
False Knowledge obtained : [(F (AND (NOT p0) p1)), (F (NOT p0)), (F (AND p0 p1)), (F (NOT (OR p0 p1))), (F (NOT (AND p0 (NOT p1)))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 13 factoid took 771 ms. Reduced automaton from 3 states, 10 edges and 2 AP (stutter insensitive) to 3 states, 10 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 124 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 117 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 124 ms :[(AND (NOT p0) (NOT p1)), (NOT p0), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 0 reset in 134 ms.
Product exploration explored 100000 steps with 0 reset in 173 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 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-20 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 16:51:29] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 86 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-00 finished in 4928 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(((!p0||X(G(p0))) U (p0&&(!p0||X(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
[2023-03-20 16:51:29] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 16:51:29] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-20 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 75 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 189 ms :[(NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={0} source=2 dest: 0}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=4, aps=[p0:(GEQ s7 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-01 finished in 285 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(p0)||X(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.
[2023-03-20 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-20 16:51:29] [INFO ] Invariant cache hit.
[2023-03-20 16:51:29] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 77 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 161 ms :[true, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p0) (NOT p1)), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p0), acceptance={} source=4 dest: 0}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=2, aps=[p1:(AND (GEQ s3 1) (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-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 101 ms.
Product exploration explored 100000 steps with 50000 reset in 93 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 p1 (NOT p0)), (X p1), (X (NOT (AND (NOT p0) (NOT p1)))), (X (NOT (AND p0 (NOT p1)))), true]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(X p1)
Knowledge based reduction with 5 factoid took 132 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-02 finished in 586 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((p0||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.
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 83 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 172 ms :[true, (AND (NOT p0) p1), p1]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=p1, acceptance={} source=2 dest: 0}, { cond=(NOT p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(AND (GEQ s0 1) (GEQ s1 1)), p1:(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 0 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-03 finished in 269 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(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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 57 ms to find 0 implicit places.
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 85 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 126 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(GEQ 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][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-04 finished in 223 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.
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Implicit Places using invariants in 23 ms returned []
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Implicit Places using invariants and state equation in 32 ms returned []
Implicit Place search using SMT with State Equation took 56 ms to find 0 implicit places.
[2023-03-20 16:51:30] [INFO ] Invariant cache hit.
[2023-03-20 16:51:30] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 95 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-05 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:(OR (LT s3 1) (LT s4 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 3 steps with 0 reset in 0 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-05 finished in 186 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||X(F((!p1&&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 1 ms. Remains 8 /8 variables (removed 0) and now considering 6/6 (removed 0) transitions.
[2023-03-20 16:51:31] [INFO ] Invariant cache hit.
[2023-03-20 16:51:31] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-20 16:51:31] [INFO ] Invariant cache hit.
[2023-03-20 16:51:31] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-20 16:51:31] [INFO ] Invariant cache hit.
[2023-03-20 16:51:31] [INFO ] Dead Transitions using invariants and state equation in 26 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 81 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 129 ms :[(AND (NOT p0) p1), (AND (NOT p0) p1), (AND (NOT p0) p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=(AND p0 p1), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 2}], [{ cond=(AND p0 p1), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0} source=2 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1) (GEQ s7 1)), p1:(GEQ s7 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 31803 reset in 166 ms.
Stack based approach found an accepted trace after 33236 steps with 10534 reset with depth 23 and stack size 23 in 39 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-06 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-06 finished in 438 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))'
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
Applied a total of 2 rules in 11 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 16:51:31] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 16:51:31] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 16:51:31] [INFO ] Invariant cache hit.
[2023-03-20 16:51:31] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 16:51:31] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 16:51:31] [INFO ] Invariant cache hit.
[2023-03-20 16:51:31] [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 90 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 45 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s2 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 10289 reset in 53 ms.
Product exploration explored 100000 steps with 10182 reset in 72 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 116 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 43 ms :[(NOT p0)]
Finished random walk after 1506 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=502 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 152 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 30 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 30 ms :[(NOT p0)]
[2023-03-20 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:32] [INFO ] [Real]Absence check using state equation in 2 ms returned sat
[2023-03-20 16:51:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 16:51:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2023-03-20 16:51:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:32] [INFO ] [Nat]Absence check using state equation in 9 ms returned sat
[2023-03-20 16:51:32] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 16:51:32] [INFO ] Added : 2 causal constraints over 1 iterations in 16 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 1 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 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:32] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:32] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 49 ms to find 0 implicit places.
[2023-03-20 16:51:32] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:32] [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 75 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 125 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 39 ms :[(NOT p0)]
Finished random walk after 1504 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=501 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 138 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 30 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 37 ms :[(NOT p0)]
[2023-03-20 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:32] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-20 16:51:32] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 16:51:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:32] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-20 16:51:32] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-20 16:51:32] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 39 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10251 reset in 61 ms.
Product exploration explored 100000 steps with 10240 reset in 55 ms.
Support contains 1 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 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:32] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-20 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:32] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-20 16:51:32] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 16:51:32] [INFO ] Invariant cache hit.
[2023-03-20 16:51:33] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 94 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-07 finished in 1606 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)))'
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 16:51:33] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 16:51:33] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-20 16:51:33] [INFO ] Invariant cache hit.
[2023-03-20 16:51:33] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 52 ms to find 0 implicit places.
[2023-03-20 16:51:33] [INFO ] Invariant cache hit.
[2023-03-20 16:51:33] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 79 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 76 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[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-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 50000 reset in 44 ms.
Product exploration explored 100000 steps with 50000 reset in 41 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 p0)]
False Knowledge obtained : [(X (X (NOT p0))), (X (X p0))]
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 2 factoid took 86 ms. Reduced automaton from 2 states, 2 edges and 1 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-09 TRUE TECHNIQUES KNOWLEDGE
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-09 finished in 341 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&&X(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 5 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 16:51:33] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 16:51:33] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-20 16:51:33] [INFO ] Invariant cache hit.
[2023-03-20 16:51:33] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-20 16:51:33] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 16:51:33] [INFO ] Invariant cache hit.
[2023-03-20 16:51:33] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 6/8 places, 4/6 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 89 ms. Remains : 6/8 places, 4/6 transitions.
Stuttering acceptance computed with spot in 127 ms :[true, true, (NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(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 13883 reset in 59 ms.
Stack based approach found an accepted trace after 200 steps with 28 reset with depth 12 and stack size 12 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-10 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-10 finished in 288 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&&X((p1||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
[2023-03-20 16:51:33] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 16:51:33] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-20 16:51:33] [INFO ] Invariant cache hit.
[2023-03-20 16:51:33] [INFO ] Implicit Places using invariants and state equation in 30 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
[2023-03-20 16:51:33] [INFO ] Invariant cache hit.
[2023-03-20 16:51:33] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 92 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 182 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 1}, { cond=(AND p0 p1), acceptance={0} source=3 dest: 2}]], initial=0, aps=[p0:(GEQ s2 1), p1:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 6911 reset in 97 ms.
Product exploration explored 100000 steps with 6922 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 : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 352 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 168 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Finished random walk after 2029 steps, including 0 resets, run visited all 4 properties in 5 ms. (steps per millisecond=405 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (AND p0 p1)), (F p0), (F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 7 factoid took 379 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 173 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 167 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
[2023-03-20 16:51:35] [INFO ] Invariant cache hit.
[2023-03-20 16:51:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:35] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:35] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-20 16:51:35] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 16:51:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:35] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:35] [INFO ] [Nat]Absence check using state equation in 6 ms returned sat
[2023-03-20 16:51:35] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 16:51:35] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT 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 16:51:35] [INFO ] Invariant cache hit.
[2023-03-20 16:51:35] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-20 16:51:35] [INFO ] Invariant cache hit.
[2023-03-20 16:51:35] [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 16:51:35] [INFO ] Invariant cache hit.
[2023-03-20 16:51:35] [INFO ] Dead Transitions using invariants and state equation in 23 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 72 ms. 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) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 366 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 176 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Finished random walk after 2021 steps, including 0 resets, run visited all 4 properties in 5 ms. (steps per millisecond=404 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (AND p0 p1)), (F p0), (F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 7 factoid took 403 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 188 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 162 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
[2023-03-20 16:51:36] [INFO ] Invariant cache hit.
[2023-03-20 16:51:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:36] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:36] [INFO ] [Real]Absence check using state equation in 5 ms returned sat
[2023-03-20 16:51:36] [INFO ] Solution in real domain found non-integer solution.
[2023-03-20 16:51:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:36] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:36] [INFO ] [Nat]Absence check using state equation in 4 ms returned sat
[2023-03-20 16:51:36] [INFO ] Computed and/alt/rep : 5/5/5 causal constraints (skipped 0 transitions) in 0 ms.
[2023-03-20 16:51:36] [INFO ] Added : 3 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 184 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 6889 reset in 71 ms.
Product exploration explored 100000 steps with 6920 reset in 73 ms.
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 16:51:37] [INFO ] Invariant cache hit.
[2023-03-20 16:51:37] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-20 16:51:37] [INFO ] Invariant cache hit.
[2023-03-20 16:51:37] [INFO ] Implicit Places using invariants and state equation in 21 ms returned []
Implicit Place search using SMT with State Equation took 42 ms to find 0 implicit places.
[2023-03-20 16:51:37] [INFO ] Invariant cache hit.
[2023-03-20 16:51:37] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65 ms. Remains : 8/8 places, 6/6 transitions.
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-12 finished in 3878 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)))'
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.
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 2 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 16:51:37] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-20 16:51:37] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-20 16:51:37] [INFO ] Invariant cache hit.
[2023-03-20 16:51:37] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 41 ms to find 0 implicit places.
[2023-03-20 16:51:37] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-20 16:51:37] [INFO ] Invariant cache hit.
[2023-03-20 16:51:37] [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 SI_LTL mode , in 1 iterations and 66 ms. Remains : 7/8 places, 5/6 transitions.
Stuttering acceptance computed with spot in 40 ms :[(NOT p0)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-13 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 (OR (LT s0 1) (LT s1 1)) (OR (GEQ s6 1) (GEQ s2 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 75 ms.
Stack based approach found an accepted trace after 33 steps with 0 reset with depth 34 and stack size 34 in 0 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-13 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-13 finished in 199 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)&&X((X(!p2)||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 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 16:51:37] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 16:51:37] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 16:51:37] [INFO ] Invariant cache hit.
[2023-03-20 16:51:37] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
[2023-03-20 16:51:37] [INFO ] Invariant cache hit.
[2023-03-20 16:51:37] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 80 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 266 ms :[(OR (NOT p0) (AND (NOT p1) p2)), (NOT p0), (AND (NOT p1) p2), (OR (AND (NOT p0) p2) (AND (NOT p1) p2)), (AND (NOT p0) p2), (AND (NOT p1) p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=p0, acceptance={0} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 5}], [{ cond=(AND (NOT p0) p2), acceptance={0} source=3 dest: 0}, { cond=(AND p0 p2), acceptance={} source=3 dest: 1}, { cond=(AND p0 p2), acceptance={0} source=3 dest: 2}], [{ cond=(AND (NOT p0) p2), acceptance={0} source=4 dest: 0}, { cond=(AND p0 p2), acceptance={} source=4 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1) p2), acceptance={0} source=5 dest: 3}, { cond=(AND p0 (NOT p1) p2), acceptance={} source=5 dest: 4}, { cond=(AND p0 (NOT p1) p2), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(AND (GEQ s3 1) (GEQ s5 1)), p1:(OR (LT s3 1) (LT s5 1)), p2:(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, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 1 reset in 70 ms.
Stack based approach found an accepted trace after 89481 steps with 0 reset with depth 89482 and stack size 36975 in 158 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-14 FALSE TECHNIQUES STACK_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-14 finished in 597 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)&&X((G(p2)&&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.
[2023-03-20 16:51:38] [INFO ] Invariant cache hit.
[2023-03-20 16:51:38] [INFO ] Implicit Places using invariants in 22 ms returned []
[2023-03-20 16:51:38] [INFO ] Invariant cache hit.
[2023-03-20 16:51:38] [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.
[2023-03-20 16:51:38] [INFO ] Invariant cache hit.
[2023-03-20 16:51:38] [INFO ] Dead Transitions using invariants and state equation in 19 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 65 ms. Remains : 8/8 places, 6/6 transitions.
Stuttering acceptance computed with spot in 248 ms :[(OR (NOT p0) (NOT p1) (NOT p2)), (OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(OR (NOT p1) (NOT p2)), acceptance={} source=3 dest: 4}, { cond=(AND p1 p2), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p2), acceptance={} source=5 dest: 4}, { cond=p2, acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(GEQ s2 1), p1:(AND (GEQ s3 1) (GEQ s5 1)), p2:(OR (GEQ s2 1) (AND (GEQ s3 1) (GEQ s4 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 2 steps with 0 reset in 1 ms.
FORMULA TwoPhaseLocking-PT-nC01000vN-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-15 finished in 338 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) U G((p1||G(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))'
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&&X((p1||X(!p1)))))))'
Found a Shortening insensitive property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-12
Stuttering acceptance computed with spot in 159 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Support contains 3 out of 8 places. Attempting structural reductions.
Starting structural reductions in LI_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 3 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 16:51:39] [INFO ] Computed 3 place invariants in 1 ms
[2023-03-20 16:51:39] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 16:51:39] [INFO ] Invariant cache hit.
[2023-03-20 16:51:39] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 53 ms to find 0 implicit places.
[2023-03-20 16:51:39] [INFO ] Invariant cache hit.
[2023-03-20 16:51:39] [INFO ] Dead Transitions using invariants and state equation in 22 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 7/8 places, 5/6 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 79 ms. Remains : 7/8 places, 5/6 transitions.
Running random walk in product with property : TwoPhaseLocking-PT-nC01000vN-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 1}, { cond=(AND p0 p1), acceptance={0} source=3 dest: 2}]], initial=0, aps=[p0:(GEQ s2 1), p1:(AND (GEQ s3 1) (GEQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, weak, inherently-weak, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 9228 reset in 55 ms.
Product exploration explored 100000 steps with 9252 reset in 73 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) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 294 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 162 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Finished random walk after 1514 steps, including 0 resets, run visited all 4 properties in 4 ms. (steps per millisecond=378 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (AND p0 p1)), (F p0), (F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 7 factoid took 405 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 171 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 245 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
[2023-03-20 16:51:40] [INFO ] Invariant cache hit.
[2023-03-20 16:51:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:40] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:40] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-20 16:51:40] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 16:51:40] [INFO ] Added : 2 causal constraints over 1 iterations in 3 ms. Result :sat
Could not prove EG (NOT p0)
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in 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 16:51:40] [INFO ] Invariant cache hit.
[2023-03-20 16:51:40] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-20 16:51:40] [INFO ] Invariant cache hit.
[2023-03-20 16:51:40] [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.
[2023-03-20 16:51:40] [INFO ] Invariant cache hit.
[2023-03-20 16:51:40] [INFO ] Dead Transitions using invariants and state equation in 18 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 61 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 : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 319 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 161 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Finished random walk after 1514 steps, including 0 resets, run visited all 4 properties in 5 ms. (steps per millisecond=302 )
Knowledge obtained : [(AND (NOT p0) p1), (X (NOT p0)), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (AND (NOT p0) p1))), (X (X (NOT p0))), (X (X (NOT (AND (NOT p0) (NOT p1))))), (X (X (NOT (AND p0 p1))))]
False Knowledge obtained : [(F (AND p0 p1)), (F p0), (F (NOT (AND (NOT p0) p1))), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 7 factoid took 375 ms. Reduced automaton from 4 states, 8 edges and 2 AP (stutter sensitive) to 4 states, 8 edges and 2 AP (stutter sensitive).
Stuttering acceptance computed with spot in 159 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Stuttering acceptance computed with spot in 179 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
[2023-03-20 16:51:41] [INFO ] Invariant cache hit.
[2023-03-20 16:51:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2023-03-20 16:51:42] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-20 16:51:42] [INFO ] [Real]Absence check using state equation in 3 ms returned sat
[2023-03-20 16:51:42] [INFO ] Computed and/alt/rep : 4/4/4 causal constraints (skipped 0 transitions) in 1 ms.
[2023-03-20 16:51:42] [INFO ] Added : 2 causal constraints over 1 iterations in 4 ms. Result :sat
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 165 ms :[(NOT p0), (NOT p0), false, (AND (NOT p0) p1)]
Product exploration explored 100000 steps with 9174 reset in 65 ms.
Product exploration explored 100000 steps with 9226 reset in 71 ms.
Support contains 3 out of 7 places. Attempting structural reductions.
Starting structural reductions in 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 16:51:42] [INFO ] Invariant cache hit.
[2023-03-20 16:51:42] [INFO ] Implicit Places using invariants in 24 ms returned []
[2023-03-20 16:51:42] [INFO ] Invariant cache hit.
[2023-03-20 16:51:42] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-20 16:51:42] [INFO ] Invariant cache hit.
[2023-03-20 16:51:42] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 78 ms. Remains : 7/7 places, 5/5 transitions.
Treatment of property TwoPhaseLocking-PT-nC01000vN-LTLFireability-12 finished in 3645 ms.
[2023-03-20 16:51:42] [INFO ] Flatten gal took : 2 ms
[2023-03-20 16:51:42] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-20 16:51:42] [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 19147 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1841/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1841/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1841/ltl_2_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : TwoPhaseLocking-PT-nC01000vN-LTLFireability-00
Could not compute solution for formula : TwoPhaseLocking-PT-nC01000vN-LTLFireability-07
Could not compute solution for formula : TwoPhaseLocking-PT-nC01000vN-LTLFireability-12

BK_STOP 1679331103638

--------------------
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-nC01000vN-LTLFireability-00
ltl formula formula --ltl=/tmp/1841/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( 2/ 4): LTL layer: formula: /tmp/1841/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1841/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1841/ltl_0_
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( 0/ 4): LTL layer: formula: /tmp/1841/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
ltl formula name TwoPhaseLocking-PT-nC01000vN-LTLFireability-07
ltl formula formula --ltl=/tmp/1841/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
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
Warning: program compiled against libxml 210 using older 209
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( 0/ 4): LTL layer: formula: /tmp/1841/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1841/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1841/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1841/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)
ltl formula name TwoPhaseLocking-PT-nC01000vN-LTLFireability-12
ltl formula formula --ltl=/tmp/1841/ltl_2_
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
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
Warning: program compiled against libxml 210 using older 209
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( 0/ 4): LTL layer: formula: /tmp/1841/ltl_2_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1841/ltl_2_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1841/ltl_2_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1841/ltl_2_
pnml2lts-mc( 0/ 4): buchi has 4 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***

Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
0: pnml2lts-mc(+0xa23f4) [0x5577e38b33f4]
1: pnml2lts-mc(+0xa2496) [0x5577e38b3496]
2: /lib/x86_64-linux-gnu/libpthread.so.0(+0x13140) [0x7fcd93c0c140]
3: pnml2lts-mc(+0x405b30) [0x5577e3c16b30]
4: pnml2lts-mc(+0x16b3f9) [0x5577e397c3f9]
5: pnml2lts-mc(+0x164ac4) [0x5577e3975ac4]
6: pnml2lts-mc(+0x272e0a) [0x5577e3a83e0a]
7: pnml2lts-mc(+0xb61f0) [0x5577e38c71f0]
8: /lib/x86_64-linux-gnu/libc.so.6(+0x3b4d7) [0x7fcd93a5f4d7]
9: /lib/x86_64-linux-gnu/libc.so.6(+0x3b67a) [0x7fcd93a5f67a]
10: pnml2lts-mc(+0xa1581) [0x5577e38b2581]
11: pnml2lts-mc(+0xa1910) [0x5577e38b2910]
12: pnml2lts-mc(+0xa32a2) [0x5577e38b42a2]
13: pnml2lts-mc(+0xa50f4) [0x5577e38b60f4]
14: pnml2lts-mc(+0x3f34b3) [0x5577e3c044b3]
15: pnml2lts-mc(+0x7c63d) [0x5577e388d63d]
16: pnml2lts-mc(+0x67d86) [0x5577e3878d86]
17: pnml2lts-mc(+0x60a8a) [0x5577e3871a8a]
18: pnml2lts-mc(+0x5eb15) [0x5577e386fb15]
19: /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7fcd93a47d0a]
20: pnml2lts-mc(+0x6075e) [0x5577e387175e]

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-nC01000vN"
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-nC01000vN, 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-167912707400892"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/TwoPhaseLocking-PT-nC01000vN.tgz
mv TwoPhaseLocking-PT-nC01000vN 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 ;