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Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r293-tall-167873945100194
Last Updated
May 14, 2023

About the Execution of ITS-Tools for Philosophers-PT-000010

Execution Summary
Max Memory
Used (MB)		 Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
284.128 9416.00 16426.00 269.40 TFFTTTFFFTTTFFFF 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.r293-tall-167873945100194.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)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool itstools
Input is Philosophers-PT-000010, examination is CTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r293-tall-167873945100194
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 792K
-rw-r--r-- 1 mcc users 13K Feb 25 13:10 CTLCardinality.txt
-rw-r--r-- 1 mcc users 91K Feb 25 13:10 CTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 13:09 CTLFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 25 13:09 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 7.8K Feb 25 16:32 LTLCardinality.txt
-rw-r--r-- 1 mcc users 40K Feb 25 16:32 LTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 25 16:32 LTLFireability.txt
-rw-r--r-- 1 mcc users 28K Feb 25 16:32 LTLFireability.xml
-rw-r--r-- 1 mcc users 24K Feb 25 13:13 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 184K Feb 25 13:13 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 25K Feb 25 13:11 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 197K Feb 25 13:11 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:32 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.0K Feb 25 16:32 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 22K 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 Philosophers-PT-000010-CTLFireability-00
FORMULA_NAME Philosophers-PT-000010-CTLFireability-01
FORMULA_NAME Philosophers-PT-000010-CTLFireability-02
FORMULA_NAME Philosophers-PT-000010-CTLFireability-03
FORMULA_NAME Philosophers-PT-000010-CTLFireability-04
FORMULA_NAME Philosophers-PT-000010-CTLFireability-05
FORMULA_NAME Philosophers-PT-000010-CTLFireability-06
FORMULA_NAME Philosophers-PT-000010-CTLFireability-07
FORMULA_NAME Philosophers-PT-000010-CTLFireability-08
FORMULA_NAME Philosophers-PT-000010-CTLFireability-09
FORMULA_NAME Philosophers-PT-000010-CTLFireability-10
FORMULA_NAME Philosophers-PT-000010-CTLFireability-11
FORMULA_NAME Philosophers-PT-000010-CTLFireability-12
FORMULA_NAME Philosophers-PT-000010-CTLFireability-13
FORMULA_NAME Philosophers-PT-000010-CTLFireability-14
FORMULA_NAME Philosophers-PT-000010-CTLFireability-15

=== Now, execution of the tool begins

BK_START 1678805604997

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=itstools
BK_EXAMINATION=CTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Philosophers-PT-000010
Not applying reductions.
Model is PT
CTLFireability PT
Running Version 202303021504
[2023-03-14 14:53:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-14 14:53:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-14 14:53:26] [INFO ] Load time of PNML (sax parser for PT used): 27 ms
[2023-03-14 14:53:26] [INFO ] Transformed 50 places.
[2023-03-14 14:53:26] [INFO ] Transformed 50 transitions.
[2023-03-14 14:53:26] [INFO ] Found NUPN structural information;
[2023-03-14 14:53:26] [INFO ] Parsed PT model containing 50 places and 50 transitions and 160 arcs in 91 ms.
Parsed 16 properties from file /home/mcc/execution/CTLFireability.xml in 13 ms.
Support contains 50 out of 50 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 8 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 50 cols
[2023-03-14 14:53:26] [INFO ] Computed 20 place invariants in 10 ms
[2023-03-14 14:53:27] [INFO ] Implicit Places using invariants in 371 ms returned []
[2023-03-14 14:53:27] [INFO ] Invariant cache hit.
[2023-03-14 14:53:27] [INFO ] Implicit Places using invariants and state equation in 65 ms returned []
Implicit Place search using SMT with State Equation took 463 ms to find 0 implicit places.
[2023-03-14 14:53:27] [INFO ] Invariant cache hit.
[2023-03-14 14:53:27] [INFO ] Dead Transitions using invariants and state equation in 63 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 537 ms. Remains : 50/50 places, 50/50 transitions.
Support contains 50 out of 50 places after structural reductions.
[2023-03-14 14:53:27] [INFO ] Flatten gal took : 23 ms
[2023-03-14 14:53:27] [INFO ] Flatten gal took : 12 ms
[2023-03-14 14:53:27] [INFO ] Input system was already deterministic with 50 transitions.
Incomplete random walk after 10000 steps, including 49 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 46) seen :45
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-14 14:53:27] [INFO ] Invariant cache hit.
[2023-03-14 14:53:27] [INFO ] [Real]Absence check using 20 positive place invariants in 6 ms returned sat
[2023-03-14 14:53:27] [INFO ] After 47ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
Successfully simplified 1 atomic propositions for a total of 16 simplifications.
[2023-03-14 14:53:27] [INFO ] Flatten gal took : 6 ms
[2023-03-14 14:53:27] [INFO ] Flatten gal took : 16 ms
[2023-03-14 14:53:27] [INFO ] Input system was already deterministic with 50 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:27] [INFO ] Invariant cache hit.
[2023-03-14 14:53:27] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-14 14:53:27] [INFO ] Invariant cache hit.
[2023-03-14 14:53:27] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-14 14:53:27] [INFO ] Invariant cache hit.
[2023-03-14 14:53:27] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 119 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:27] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Time to serialize gal into /tmp/CTLFireability9439470205080109987.gal : 1 ms
[2023-03-14 14:53:28] [INFO ] Time to serialize properties into /tmp/CTLFireability16577405667717435443.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability9439470205080109987.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability16577405667717435443.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.018043,3620,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: A(AX(EX(((((((Fork_3==1)&&(Catch2_4==1))||((Fork_5==1)&&(Catch2_6==1)))||(((Fork_9==1)&&(Catch2_10==1))||((Fork_1==1)&&(Catch2_2==1))))||...1139
=> equivalent forward existential formula: [((Init * !(EG(!(!((E(!(E(TRUE U !((EX(((((((Fork_7==1)&&(Catch1_7==1))||((Fork_2==1)&&(Catch1_2==1)))||(((Fork_...5845
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.127608,6080,1,0,10,12274,25,4,1396,8415,11
FORMULA Philosophers-PT-000010-CTLFireability-00 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 4 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:28] [INFO ] Invariant cache hit.
[2023-03-14 14:53:28] [INFO ] Implicit Places using invariants in 52 ms returned []
[2023-03-14 14:53:28] [INFO ] Invariant cache hit.
[2023-03-14 14:53:28] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 103 ms to find 0 implicit places.
[2023-03-14 14:53:28] [INFO ] Invariant cache hit.
[2023-03-14 14:53:28] [INFO ] Dead Transitions using invariants and state equation in 58 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 168 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Time to serialize gal into /tmp/CTLFireability14735516389327796420.gal : 2 ms
[2023-03-14 14:53:28] [INFO ] Time to serialize properties into /tmp/CTLFireability889484637278883895.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14735516389327796420.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability889484637278883895.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.00923,3736,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AG(((((EG(EX(((((((Fork_3==1)&&(Catch2_4==1))||((Fork_5==1)&&(Catch2_6==1)))||(((Fork_9==1)&&(Catch2_10==1))||((Fork_1==1)&&(Catch2_2==1)...674
=> equivalent forward existential formula: [(((((FwdU(Init,TRUE) * !(((((Fork_8==1)&&(Catch2_9==1))||((Fork_10==1)&&(Catch2_1==1)))||((Fork_7==1)&&(Catch2_...740
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Using saturation style SCC detection
(forward)formula 0,0,0.065263,6692,1,0,24,17662,25,13,1340,14841,11
FORMULA Philosophers-PT-000010-CTLFireability-01 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:28] [INFO ] Invariant cache hit.
[2023-03-14 14:53:28] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-14 14:53:28] [INFO ] Invariant cache hit.
[2023-03-14 14:53:28] [INFO ] Implicit Places using invariants and state equation in 81 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
[2023-03-14 14:53:28] [INFO ] Invariant cache hit.
[2023-03-14 14:53:28] [INFO ] Dead Transitions using invariants and state equation in 42 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 153 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 4 ms
[2023-03-14 14:53:28] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 9 ms
[2023-03-14 14:53:28] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:28] [INFO ] Time to serialize gal into /tmp/CTLFireability1257945651933137908.gal : 28 ms
[2023-03-14 14:53:28] [INFO ] Time to serialize properties into /tmp/CTLFireability14191758841714393329.ctl : 3 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1257945651933137908.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability14191758841714393329.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.009947,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: E(!(((!(((((((Think_8==1)&&(Fork_8==1))||((Think_6==1)&&(Fork_6==1)))||(((Think_10==1)&&(Fork_10==1))||((Think_5==1)&&(Fork_5==1))))||(((...2766
=> equivalent forward existential formula: [(FwdU(Init,!(((!(((((((Think_8==1)&&(Fork_8==1))||((Think_6==1)&&(Fork_6==1)))||(((Think_10==1)&&(Fork_10==1))|...2866
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 0/193/50
Hit Full ! (commute/partial/dont) 0/195/50
(forward)formula 0,0,0.435823,19768,1,0,52,90701,51,37,1621,102717,63
FORMULA Philosophers-PT-000010-CTLFireability-02 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 3 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:29] [INFO ] Invariant cache hit.
[2023-03-14 14:53:29] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-14 14:53:29] [INFO ] Invariant cache hit.
[2023-03-14 14:53:29] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 89 ms to find 0 implicit places.
[2023-03-14 14:53:29] [INFO ] Invariant cache hit.
[2023-03-14 14:53:29] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 136 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:29] [INFO ] Flatten gal took : 4 ms
[2023-03-14 14:53:29] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:29] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:29] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:29] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:29] [INFO ] Time to serialize gal into /tmp/CTLFireability13688165535636966125.gal : 1 ms
[2023-03-14 14:53:29] [INFO ] Time to serialize properties into /tmp/CTLFireability369443099848166587.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13688165535636966125.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability369443099848166587.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.009787,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: E(AF(!(AX(AF(((((((Fork_3==1)&&(Catch2_4==1))||((Fork_5==1)&&(Catch2_6==1)))||(((Fork_9==1)&&(Catch2_10==1))||((Fork_1==1)&&(Catch2_2==1)...1308
=> equivalent forward existential formula: ([(FwdU((FwdU(FwdU(Init,!(EG(!(!(!(EX(!(!(EG(!(((((((Fork_3==1)&&(Catch2_4==1))||((Fork_5==1)&&(Catch2_6==1)))||...3039
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 0/196/50
Using saturation style SCC detection
Hit Full ! (commute/partial/dont) 0/223/50
(forward)formula 0,1,0.632725,25868,1,0,43,112552,40,34,1716,163210,55
FORMULA Philosophers-PT-000010-CTLFireability-03 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:29] [INFO ] Invariant cache hit.
[2023-03-14 14:53:29] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-14 14:53:29] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 99 ms to find 0 implicit places.
[2023-03-14 14:53:30] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 142 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 4 ms
[2023-03-14 14:53:30] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 4 ms
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Time to serialize gal into /tmp/CTLFireability12740009586504814587.gal : 1 ms
[2023-03-14 14:53:30] [INFO ] Time to serialize properties into /tmp/CTLFireability5993306809815714381.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12740009586504814587.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability5993306809815714381.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.009437,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AG(A(EX((!(((((((Fork_7==1)&&(Catch1_7==1))||((Fork_2==1)&&(Catch1_2==1)))||(((Fork_5==1)&&(Catch1_5==1))||((Fork_9==1)&&(Catch1_9==1))))...3150
=> equivalent forward existential formula: ([(FwdU((((FwdU(FwdU(Init,TRUE),!(((!(!(E(TRUE U !(((((((Eat_10==1)||(Eat_6==1))||((Eat_1==1)||(Eat_4==1)))||(((...7633
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 0/0/50
Hit Full ! (commute/partial/dont) 0/0/50
(forward)formula 0,1,0.114166,8260,1,0,17,22546,42,7,1437,21553,14
FORMULA Philosophers-PT-000010-CTLFireability-04 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 0 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:30] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-14 14:53:30] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Implicit Places using invariants and state equation in 41 ms returned []
Implicit Place search using SMT with State Equation took 77 ms to find 0 implicit places.
[2023-03-14 14:53:30] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 122 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Time to serialize gal into /tmp/CTLFireability1056044551196185741.gal : 1 ms
[2023-03-14 14:53:30] [INFO ] Time to serialize properties into /tmp/CTLFireability17035739992552685787.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1056044551196185741.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17035739992552685787.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.00923,3736,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: ((AX(A(((((((Eat_10==1)||(Eat_6==1))||((Eat_1==1)||(Eat_4==1)))||(((Eat_2==1)||(Eat_5==1))||((Eat_9==1)||(Eat_3==1))))||((Eat_7==1)||(Eat...3651
=> equivalent forward existential formula: ((([((FwdU(EY(Init),!(E(TRUE U ((((((Fork_3==1)&&(Catch2_4==1))||((Fork_5==1)&&(Catch2_6==1)))||(((Fork_9==1)&&(...8251
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 20/270/30
Hit Full ! (commute/partial/dont) 20/270/30
(forward)formula 0,1,0.169755,9948,1,0,27,34452,54,16,1688,29304,25
FORMULA Philosophers-PT-000010-CTLFireability-05 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 0 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:30] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-14 14:53:30] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2023-03-14 14:53:30] [INFO ] Invariant cache hit.
[2023-03-14 14:53:30] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 131 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:30] [INFO ] Time to serialize gal into /tmp/CTLFireability5041652511734130229.gal : 0 ms
[2023-03-14 14:53:30] [INFO ] Time to serialize properties into /tmp/CTLFireability9245367130564335465.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability5041652511734130229.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability9245367130564335465.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.009227,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: A(((((EF(((((((Think_4==1)&&(Fork_3==1))||((Think_1==1)&&(Fork_10==1)))||(((Think_2==1)&&(Fork_1==1))||((Think_6==1)&&(Fork_5==1))))||(((...1582
=> equivalent forward existential formula: [((Init * !(EG(!(EG(((((E(((((((Fork_7==1)&&(Catch1_7==1))||((Fork_2==1)&&(Catch1_2==1)))||(((Fork_5==1)&&(Catch...3885
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 0/0/50
Using saturation style SCC detection
Using saturation style SCC detection
(forward)formula 0,0,0.766219,30248,1,0,102,134908,38,69,1480,177738,72
FORMULA Philosophers-PT-000010-CTLFireability-06 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 4 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:31] [INFO ] Invariant cache hit.
[2023-03-14 14:53:31] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-14 14:53:31] [INFO ] Invariant cache hit.
[2023-03-14 14:53:31] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 74 ms to find 0 implicit places.
[2023-03-14 14:53:31] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 14:53:31] [INFO ] Invariant cache hit.
[2023-03-14 14:53:31] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 130 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:31] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:31] [INFO ] Time to serialize gal into /tmp/CTLFireability12257109553237651926.gal : 0 ms
[2023-03-14 14:53:31] [INFO ] Time to serialize properties into /tmp/CTLFireability13383386395350268012.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12257109553237651926.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability13383386395350268012.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.009881,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: !(E(!(((((AG((((((((Fork_7==1)&&(Catch1_7==1))||((Fork_2==1)&&(Catch1_2==1)))||(((Fork_5==1)&&(Catch1_5==1))||((Fork_9==1)&&(Catch1_9==1)...2042
=> equivalent forward existential formula: [(FwdU(Init,!(((((!(E(TRUE U !((((((((Fork_7==1)&&(Catch1_7==1))||((Fork_2==1)&&(Catch1_2==1)))||(((Fork_5==1)&&...2399
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 20/270/30
Hit Full ! (commute/partial/dont) 20/270/30
(forward)formula 0,0,0.176178,10392,1,0,50,38613,39,33,1655,41233,51
FORMULA Philosophers-PT-000010-CTLFireability-07 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

ITS tools runner thread asked to quit. Dying gracefully.
Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:31] [INFO ] Invariant cache hit.
[2023-03-14 14:53:31] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-14 14:53:31] [INFO ] Invariant cache hit.
[2023-03-14 14:53:31] [INFO ] Implicit Places using invariants and state equation in 60 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
[2023-03-14 14:53:31] [INFO ] Invariant cache hit.
[2023-03-14 14:53:31] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 147 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:31] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:31] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:31] [INFO ] Time to serialize gal into /tmp/CTLFireability17138341919495815991.gal : 1 ms
[2023-03-14 14:53:31] [INFO ] Time to serialize properties into /tmp/CTLFireability7297359870443970150.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability17138341919495815991.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7297359870443970150.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.009934,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AX(AG(EF(((Think_3==1)&&(Fork_3==1)))))
=> equivalent forward existential formula: [(FwdU(EY(Init),TRUE) * !(E(TRUE U ((Think_3==1)&&(Fork_3==1)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.038323,5112,1,0,9,9450,15,3,1322,4012,8
FORMULA Philosophers-PT-000010-CTLFireability-08 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants in 60 ms returned []
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 116 ms to find 0 implicit places.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 156 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize gal into /tmp/CTLFireability13016273314930705405.gal : 1 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize properties into /tmp/CTLFireability7430392942610877723.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13016273314930705405.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability7430392942610877723.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...284
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.010178,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: EG(AX(EF(AX(AX((Eat_6==1))))))
=> equivalent forward existential formula: [FwdG(Init,!(EX(!(E(TRUE U !(EX(!(!(EX(!((Eat_6==1))))))))))))] != FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.037713,5112,1,0,8,8843,19,5,1323,3842,12
FORMULA Philosophers-PT-000010-CTLFireability-09 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 86 ms to find 0 implicit places.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 130 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 6 ms
[2023-03-14 14:53:32] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize gal into /tmp/CTLFireability18136945049020750888.gal : 1 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize properties into /tmp/CTLFireability387223758234853646.ctl : 2 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability18136945049020750888.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability387223758234853646.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.0094,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AG(((AX(((Think_6==1)&&(Fork_6==1))) + EF(((Think_1==1)&&(Fork_10==1)))) + (((Think_2==1)&&(Fork_1==1)) + ((!(E(E(((Think_10==1)&&(Fork_9...261
=> equivalent forward existential formula: (([(FwdU(((FwdU(Init,TRUE) * !((!(EX(!(((Think_6==1)&&(Fork_6==1))))) + E(TRUE U ((Think_1==1)&&(Fork_10==1)))))...652
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,1,0.037116,5376,1,0,19,9470,24,6,1203,4550,13
FORMULA Philosophers-PT-000010-CTLFireability-10 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants and state equation in 46 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 133 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 8 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 4 ms
[2023-03-14 14:53:32] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 3 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize gal into /tmp/CTLFireability13289473790167563138.gal : 1 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize properties into /tmp/CTLFireability11301690597743597082.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability13289473790167563138.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability11301690597743597082.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.017267,3736,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: E(((Think_3==1)&&(Fork_2==1)) U (EG(!(AG((((Fork_5==1)&&(Catch1_5==1))&&((Fork_8==1)&&(Catch2_9==1)))))) * !(AG(!(AX(((Think_8==1)&&(Fork...168
=> equivalent forward existential formula: [(FwdU((FwdU(Init,((Think_3==1)&&(Fork_2==1))) * EG(!(!(E(TRUE U !((((Fork_5==1)&&(Catch1_5==1))&&((Fork_8==1)&&...233
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
Hit Full ! (commute/partial/dont) 43/5/7
(forward)formula 0,1,0.048194,5108,1,0,13,9430,28,7,1416,4473,17
FORMULA Philosophers-PT-000010-CTLFireability-11 TRUE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is TRUE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 2 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 91 ms to find 0 implicit places.
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 133 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 9 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize gal into /tmp/CTLFireability6612447204203767725.gal : 1 ms
[2023-03-14 14:53:32] [INFO ] Time to serialize properties into /tmp/CTLFireability1352034952568555259.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability6612447204203767725.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability1352034952568555259.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.012451,3736,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: AG(AX(AX(EX(((Fork_9==0)||(Catch1_9==0))))))
=> equivalent forward existential formula: [(EY(EY(FwdU(Init,TRUE))) * !(EX(((Fork_9==0)||(Catch1_9==0)))))] = FALSE
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.031305,4580,1,0,9,7254,10,3,1207,2257,5
FORMULA Philosophers-PT-000010-CTLFireability-12 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 6
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 0 with 12 rules applied. Total rules applied 12 place count 44 transition count 44
Applied a total of 12 rules in 14 ms. Remains 44 /50 variables (removed 6) and now considering 44/50 (removed 6) transitions.
// Phase 1: matrix 44 rows 44 cols
[2023-03-14 14:53:32] [INFO ] Computed 20 place invariants in 1 ms
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants in 40 ms returned []
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Implicit Places using invariants and state equation in 48 ms returned []
Implicit Place search using SMT with State Equation took 90 ms to find 0 implicit places.
[2023-03-14 14:53:32] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 14:53:32] [INFO ] Invariant cache hit.
[2023-03-14 14:53:32] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 44/50 places, 44/50 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 155 ms. Remains : 44/50 places, 44/50 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:32] [INFO ] Input system was already deterministic with 44 transitions.
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 1 ms
[2023-03-14 14:53:32] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Time to serialize gal into /tmp/CTLFireability12384310428830703500.gal : 0 ms
[2023-03-14 14:53:33] [INFO ] Time to serialize properties into /tmp/CTLFireability112203127728102015.ctl : 0 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability12384310428830703500.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability112203127728102015.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,27144,0.015088,3696,2,185,5,757,6,0,223,519,0


Converting to forward existential form...Done !
original formula: AG(EF((AG(((Think_10==1)&&(Fork_9==1))) * EF(((Fork_6==1)&&(Catch1_6==1))))))
=> equivalent forward existential formula: [(FwdU(Init,TRUE) * !(E(TRUE U (!(E(TRUE U !(((Think_10==1)&&(Fork_9==1))))) * E(TRUE U ((Fork_6==1)&&(Catch1_6=...173
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.031752,4804,1,0,8,5815,16,1,1052,2099,8
FORMULA Philosophers-PT-000010-CTLFireability-13 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in LTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Applied a total of 0 rules in 1 ms. Remains 50 /50 variables (removed 0) and now considering 50/50 (removed 0) transitions.
// Phase 1: matrix 50 rows 50 cols
[2023-03-14 14:53:33] [INFO ] Computed 20 place invariants in 1 ms
[2023-03-14 14:53:33] [INFO ] Implicit Places using invariants in 38 ms returned []
[2023-03-14 14:53:33] [INFO ] Invariant cache hit.
[2023-03-14 14:53:33] [INFO ] Implicit Places using invariants and state equation in 49 ms returned []
Implicit Place search using SMT with State Equation took 88 ms to find 0 implicit places.
[2023-03-14 14:53:33] [INFO ] Invariant cache hit.
[2023-03-14 14:53:33] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 130 ms. Remains : 50/50 places, 50/50 transitions.
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Input system was already deterministic with 50 transitions.
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 9 ms
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Time to serialize gal into /tmp/CTLFireability14422733788653606722.gal : 1 ms
[2023-03-14 14:53:33] [INFO ] Time to serialize properties into /tmp/CTLFireability17805387479295962165.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability14422733788653606722.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability17805387479295962165.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...285
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,59049,0.015528,3740,2,258,5,1041,6,0,253,736,0


Converting to forward existential form...Done !
original formula: (EG(A(!(((AF(((Fork_3==1)&&(Catch2_4==1))) * (Think_5==1)) * (Fork_4==1))) U ((AF(((Fork_2==1)&&(Catch2_3==1))) * (Eat_7==1)) + ((Think_2...381
=> equivalent forward existential formula: [((((FwdU((Init * EG(!((E(!(((!(EG(!(((Fork_2==1)&&(Catch2_3==1))))) * (Eat_7==1)) + ((Think_2==1)&&(Fork_2==1))...662
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.032818,4584,1,0,7,7175,15,1,1176,1918,5
FORMULA Philosophers-PT-000010-CTLFireability-14 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

Starting structural reductions in SI_CTL mode, iteration 0 : 50/50 places, 50/50 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 49 transition count 49
Applied a total of 2 rules in 6 ms. Remains 49 /50 variables (removed 1) and now considering 49/50 (removed 1) transitions.
// Phase 1: matrix 49 rows 49 cols
[2023-03-14 14:53:33] [INFO ] Computed 20 place invariants in 1 ms
[2023-03-14 14:53:33] [INFO ] Implicit Places using invariants in 35 ms returned []
[2023-03-14 14:53:33] [INFO ] Invariant cache hit.
[2023-03-14 14:53:33] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2023-03-14 14:53:33] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-14 14:53:33] [INFO ] Invariant cache hit.
[2023-03-14 14:53:33] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Starting structural reductions in SI_CTL mode, iteration 1 : 49/50 places, 49/50 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 137 ms. Remains : 49/50 places, 49/50 transitions.
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Input system was already deterministic with 49 transitions.
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 2 ms
[2023-03-14 14:53:33] [INFO ] Time to serialize gal into /tmp/CTLFireability1895805189006044828.gal : 1 ms
[2023-03-14 14:53:33] [INFO ] Time to serialize properties into /tmp/CTLFireability2023269218890369797.ctl : 1 ms
Invoking ITS tools like this :cd /home/mcc/execution;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64' '--gc-threshold' '2000000' '--quiet' '-i' '/tmp/CTLFireability1895805189006044828.gal' '-t' 'CGAL' '-ctl' '/tmp/CTLFireability2023269218890369797.ctl' '--gen-order' 'FOLLOW'

its-ctl command run as :

/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202303021504/bin/its-ctl-linux64 --gc-threshold 2000000 --quiet -...283
No direction supplied, using forward translation only.
Parsed 1 CTL formulae.
Model ,|S| ,Time ,Mem(kb) ,fin. SDD ,fin. DDD ,peak SDD ,peak DDD ,SDD Hom ,SDD cache peak ,DDD Hom ,DDD cachepeak ,SHom cache
reachable,52488,0.015128,3732,2,238,5,1004,6,0,248,733,0


Converting to forward existential form...Done !
original formula: EF((AG((((Think_2==1)&&(Fork_2==1))||(((Think_7==1)&&(Fork_6==1))&&((Fork_4==1)&&(Catch2_5==1))))) * ((!(A(((Think_5==1)&&(Fork_4==1)) U ...382
=> equivalent forward existential formula: ((([(FwdU((FwdU(Init,TRUE) * !(E(TRUE U !((((Think_2==1)&&(Fork_2==1))||(((Think_7==1)&&(Fork_6==1))&&((Fork_4==...962
Reverse transition relation is exact ! Faster fixpoint algorithm enabled.
(forward)formula 0,0,0.03977,5104,1,0,16,7712,37,4,1289,2940,14
FORMULA Philosophers-PT-000010-CTLFireability-15 FALSE TECHNIQUES DECISION_DIAGRAMS TOPOLOGICAL
Formula is FALSE !

***************************************

[2023-03-14 14:53:33] [INFO ] Flatten gal took : 6 ms
[2023-03-14 14:53:33] [INFO ] Flatten gal took : 3 ms
Total runtime 6955 ms.

BK_STOP 1678805614413

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

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ CTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ 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//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination CTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="Philosophers-PT-000010"
export BK_EXAMINATION="CTLFireability"
export BK_TOOL="itstools"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool itstools"
echo " Input is Philosophers-PT-000010, examination is CTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r293-tall-167873945100194"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Philosophers-PT-000010.tgz
mv Philosophers-PT-000010 execution
cd execution
if [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "UpperBounds" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] || [ "CTLFireability" = "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 [ "CTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLFireability" != "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 "CTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLFireability.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 '' CTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLFireability" = "ReachabilityDeadlock" ] || [ "CTLFireability" = "QuasiLiveness" ] || [ "CTLFireability" = "StableMarking" ] || [ "CTLFireability" = "Liveness" ] || [ "CTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLFireability"
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 ;