Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r197-tall-171640625300297.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=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 2-5568
Executing tool gold2023
Input is GPUForwardProgress-PT-04b, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r197-tall-171640625300297
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 476K
-rw-r--r-- 1 mcc users 7.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 81K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Apr 22 14:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Apr 22 14:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Apr 22 14:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Apr 22 14:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.1K Apr 11 22:17 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 80K Apr 11 22:17 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 11 22:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 93K Apr 11 22:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Apr 22 14:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Apr 22 14:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 4 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 27K May 18 16:42 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 GPUForwardProgress-PT-04b-LTLCardinality-00
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-01
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-02
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-03
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-04
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-05
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-06
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-07
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-08
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-09
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-10
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-11
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-12
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-13
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-14
FORMULA_NAME GPUForwardProgress-PT-04b-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1716553898900

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=gold2023
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-04b
Not applying reductions.
Model is PT
LTLCardinality PT
Running Version 202304061127
[2024-05-24 12:31:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2024-05-24 12:31:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 12:31:40] [INFO ] Load time of PNML (sax parser for PT used): 37 ms
[2024-05-24 12:31:40] [INFO ] Transformed 112 places.
[2024-05-24 12:31:40] [INFO ] Transformed 117 transitions.
[2024-05-24 12:31:40] [INFO ] Found NUPN structural information;
[2024-05-24 12:31:40] [INFO ] Parsed PT model containing 112 places and 117 transitions and 277 arcs in 94 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 8 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 2 formulas.
Initial state reduction rules removed 2 formulas.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 20 out of 112 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 112/112 places, 117/117 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 111 transition count 117
Discarding 11 places :
Symmetric choice reduction at 1 with 11 rule applications. Total rules 12 place count 100 transition count 106
Iterating global reduction 1 with 11 rules applied. Total rules applied 23 place count 100 transition count 106
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 27 place count 96 transition count 102
Iterating global reduction 1 with 4 rules applied. Total rules applied 31 place count 96 transition count 102
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 33 place count 96 transition count 100
Applied a total of 33 rules in 24 ms. Remains 96 /112 variables (removed 16) and now considering 100/117 (removed 17) transitions.
// Phase 1: matrix 100 rows 96 cols
[2024-05-24 12:31:40] [INFO ] Computed 5 invariants in 14 ms
[2024-05-24 12:31:40] [INFO ] Implicit Places using invariants in 151 ms returned []
[2024-05-24 12:31:40] [INFO ] Invariant cache hit.
[2024-05-24 12:31:40] [INFO ] Implicit Places using invariants and state equation in 166 ms returned []
Implicit Place search using SMT with State Equation took 346 ms to find 0 implicit places.
[2024-05-24 12:31:40] [INFO ] Invariant cache hit.
[2024-05-24 12:31:41] [INFO ] Dead Transitions using invariants and state equation in 85 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 96/112 places, 100/117 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 457 ms. Remains : 96/112 places, 100/117 transitions.
Support contains 20 out of 96 places after structural reductions.
[2024-05-24 12:31:41] [INFO ] Flatten gal took : 24 ms
[2024-05-24 12:31:41] [INFO ] Flatten gal took : 10 ms
[2024-05-24 12:31:41] [INFO ] Input system was already deterministic with 100 transitions.
Incomplete random walk after 10000 steps, including 225 resets, run finished after 298 ms. (steps per millisecond=33 ) properties (out of 12) seen :10
Incomplete Best-First random walk after 10001 steps, including 55 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 62 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2024-05-24 12:31:41] [INFO ] Invariant cache hit.
[2024-05-24 12:31:41] [INFO ] [Real]Absence check using 0 positive and 5 generalized place invariants in 3 ms returned sat
[2024-05-24 12:31:41] [INFO ] After 57ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2024-05-24 12:31:41] [INFO ] [Nat]Absence check using 0 positive and 5 generalized place invariants in 2 ms returned sat
[2024-05-24 12:31:41] [INFO ] After 80ms SMT Verify possible using all constraints in natural domain returned unsat :2 sat :0
Fused 2 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 2 atomic propositions for a total of 6 simplifications.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 19 stabilizing places and 19 stable transitions
Graph (complete) has 145 edges and 96 vertex of which 88 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.7 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G((F(p0)&&(G(p0)||p1)))))'
Support contains 3 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 100/100 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 92 transition count 96
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 92 transition count 96
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 92 transition count 95
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 91 transition count 94
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 91 transition count 94
Applied a total of 11 rules in 12 ms. Remains 91 /96 variables (removed 5) and now considering 94/100 (removed 6) transitions.
// Phase 1: matrix 94 rows 91 cols
[2024-05-24 12:31:41] [INFO ] Computed 5 invariants in 2 ms
[2024-05-24 12:31:41] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-24 12:31:41] [INFO ] Invariant cache hit.
[2024-05-24 12:31:42] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 117 ms to find 0 implicit places.
[2024-05-24 12:31:42] [INFO ] Invariant cache hit.
[2024-05-24 12:31:42] [INFO ] Dead Transitions using invariants and state equation in 73 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 91/96 places, 94/100 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 203 ms. Remains : 91/96 places, 94/100 transitions.
ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2ANTLR Tool version 4.9.3 used for code generation does not match the current runtime version 4.7.2ANTLR Runtime version 4.9.3 used for parser compilation does not match the current runtime version 4.7.2Stuttering acceptance computed with spot in 266 ms :[(NOT p0), (NOT p0), true, (NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04b-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=1 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=3 dest: 3}], [{ cond=(NOT p0), acceptance={} source=4 dest: 2}, { cond=p0, acceptance={} source=4 dest: 4}]], initial=0, aps=[p1:(OR (EQ s61 1) (EQ s51 0) (EQ s74 1)), p0:(EQ s61 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 2912 reset in 240 ms.
Stack based approach found an accepted trace after 57175 steps with 1658 reset with depth 47 and stack size 47 in 88 ms.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-00 FALSE TECHNIQUES STACK_TEST
Treatment of property GPUForwardProgress-PT-04b-LTLCardinality-00 finished in 844 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 96 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 96/96 places, 100/100 transitions.
Graph (trivial) has 83 edges and 96 vertex of which 7 / 96 are part of one of the 1 SCC in 3 ms
Free SCC test removed 6 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 39 transitions
Trivial Post-agglo rules discarded 39 transitions
Performed 39 trivial Post agglomeration. Transition count delta: 39
Iterating post reduction 0 with 39 rules applied. Total rules applied 40 place count 89 transition count 53
Reduce places removed 39 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 1 with 42 rules applied. Total rules applied 82 place count 50 transition count 50
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 83 place count 49 transition count 50
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 13 Pre rules applied. Total rules applied 83 place count 49 transition count 37
Deduced a syphon composed of 13 places in 1 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 109 place count 36 transition count 37
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 110 place count 35 transition count 36
Iterating global reduction 3 with 1 rules applied. Total rules applied 111 place count 35 transition count 36
Performed 12 Post agglomeration using F-continuation condition.Transition count delta: 12
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 135 place count 23 transition count 24
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 136 place count 23 transition count 23
Discarding 1 places :
Symmetric choice reduction at 4 with 1 rule applications. Total rules 137 place count 22 transition count 22
Iterating global reduction 4 with 1 rules applied. Total rules applied 138 place count 22 transition count 22
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 4 with 4 rules applied. Total rules applied 142 place count 20 transition count 23
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 4 with 1 rules applied. Total rules applied 143 place count 20 transition count 23
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 144 place count 19 transition count 22
Applied a total of 144 rules in 27 ms. Remains 19 /96 variables (removed 77) and now considering 22/100 (removed 78) transitions.
[2024-05-24 12:31:42] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
// Phase 1: matrix 19 rows 19 cols
[2024-05-24 12:31:42] [INFO ] Computed 5 invariants in 0 ms
[2024-05-24 12:31:42] [INFO ] Implicit Places using invariants in 28 ms returned []
[2024-05-24 12:31:42] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
[2024-05-24 12:31:42] [INFO ] Invariant cache hit.
[2024-05-24 12:31:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-24 12:31:42] [INFO ] Implicit Places using invariants and state equation in 34 ms returned []
Implicit Place search using SMT with State Equation took 63 ms to find 0 implicit places.
[2024-05-24 12:31:42] [INFO ] Redundant transitions in 0 ms returned []
[2024-05-24 12:31:42] [INFO ] Flow matrix only has 19 transitions (discarded 3 similar events)
[2024-05-24 12:31:42] [INFO ] Invariant cache hit.
[2024-05-24 12:31:42] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 19/96 places, 22/100 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 136 ms. Remains : 19/96 places, 22/100 transitions.
Stuttering acceptance computed with spot in 83 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04b-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (EQ s3 0) (EQ s5 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 88 steps with 9 reset in 3 ms.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04b-LTLCardinality-04 finished in 237 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(((p0||G(p1))&&(X(!p2) U ((!p1&&X(!p2))||X(G(!p2)))))))'
Support contains 5 out of 96 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 96/96 places, 100/100 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 92 transition count 96
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 92 transition count 96
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 91 transition count 95
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 91 transition count 95
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 11 place count 91 transition count 94
Applied a total of 11 rules in 17 ms. Remains 91 /96 variables (removed 5) and now considering 94/100 (removed 6) transitions.
// Phase 1: matrix 94 rows 91 cols
[2024-05-24 12:31:42] [INFO ] Computed 5 invariants in 2 ms
[2024-05-24 12:31:43] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-05-24 12:31:43] [INFO ] Invariant cache hit.
[2024-05-24 12:31:43] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 105 ms to find 0 implicit places.
[2024-05-24 12:31:43] [INFO ] Invariant cache hit.
[2024-05-24 12:31:43] [INFO ] Dead Transitions using invariants and state equation in 57 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 91/96 places, 94/100 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 180 ms. Remains : 91/96 places, 94/100 transitions.
Stuttering acceptance computed with spot in 146 ms :[true, (OR p2 (AND (NOT p0) (NOT p1))), (OR (NOT p1) p2), (OR p2 (AND (NOT p0) (NOT p1)))]
Running random walk in product with property : GPUForwardProgress-PT-04b-LTLCardinality-06 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}], [{ cond=(OR (NOT p1) p2), acceptance={} source=2 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={} source=2 dest: 2}], [{ cond=(OR (AND (NOT p1) (NOT p0)) p2), acceptance={} source=3 dest: 0}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=3 dest: 2}, { cond=(AND p0 (NOT p2)), acceptance={} source=3 dest: 3}]], initial=1, aps=[p1:(OR (EQ s3 0) (EQ s85 1)), p0:(EQ s78 1), p2:(OR (EQ s13 0) (EQ s66 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04b-LTLCardinality-06 finished in 352 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(!p0)&&F(G(!p1)))))'
Support contains 4 out of 96 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 96/96 places, 100/100 transitions.
Graph (trivial) has 79 edges and 96 vertex of which 6 / 96 are part of one of the 1 SCC in 3 ms
Free SCC test removed 5 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Graph (complete) has 140 edges and 91 vertex of which 84 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.1 ms
Discarding 7 places :
Also discarding 2 output transitions
Drop transitions removed 2 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 36 transitions
Trivial Post-agglo rules discarded 36 transitions
Performed 36 trivial Post agglomeration. Transition count delta: 36
Iterating post reduction 0 with 36 rules applied. Total rules applied 38 place count 83 transition count 56
Reduce places removed 36 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 1 with 39 rules applied. Total rules applied 77 place count 47 transition count 53
Reduce places removed 1 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 2 with 2 rules applied. Total rules applied 79 place count 46 transition count 52
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 80 place count 45 transition count 52
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 12 Pre rules applied. Total rules applied 80 place count 45 transition count 40
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 4 with 24 rules applied. Total rules applied 104 place count 33 transition count 40
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 108 place count 29 transition count 36
Iterating global reduction 4 with 4 rules applied. Total rules applied 112 place count 29 transition count 36
Performed 11 Post agglomeration using F-continuation condition.Transition count delta: 11
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 4 with 22 rules applied. Total rules applied 134 place count 18 transition count 25
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 135 place count 18 transition count 24
Discarding 3 places :
Symmetric choice reduction at 5 with 3 rule applications. Total rules 138 place count 15 transition count 19
Iterating global reduction 5 with 3 rules applied. Total rules applied 141 place count 15 transition count 19
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 5 with 2 rules applied. Total rules applied 143 place count 14 transition count 18
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 5 with 1 rules applied. Total rules applied 144 place count 14 transition count 18
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 5 with 1 rules applied. Total rules applied 145 place count 13 transition count 17
Applied a total of 145 rules in 24 ms. Remains 13 /96 variables (removed 83) and now considering 17/100 (removed 83) transitions.
// Phase 1: matrix 17 rows 13 cols
[2024-05-24 12:31:43] [INFO ] Computed 0 invariants in 1 ms
[2024-05-24 12:31:43] [INFO ] Implicit Places using invariants in 18 ms returned []
[2024-05-24 12:31:43] [INFO ] Invariant cache hit.
[2024-05-24 12:31:43] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-24 12:31:43] [INFO ] Implicit Places using invariants and state equation in 26 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2024-05-24 12:31:43] [INFO ] Redundant transitions in 0 ms returned []
[2024-05-24 12:31:43] [INFO ] Invariant cache hit.
[2024-05-24 12:31:43] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 13/96 places, 17/100 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 97 ms. Remains : 13/96 places, 17/100 transitions.
Stuttering acceptance computed with spot in 125 ms :[(OR p0 p1), p0, p1]
Running random walk in product with property : GPUForwardProgress-PT-04b-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=p1, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}, { cond=p1, acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(OR (EQ s11 0) (EQ s6 1)), p1:(OR (EQ s1 0) (EQ s8 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-04b-LTLCardinality-07 finished in 240 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202304061127/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 96 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 96/96 places, 100/100 transitions.
Graph (trivial) has 82 edges and 96 vertex of which 7 / 96 are part of one of the 1 SCC in 1 ms
Free SCC test removed 6 places
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Graph (complete) has 138 edges and 90 vertex of which 82 are kept as prefixes of interest. Removing 8 places using SCC suffix rule.1 ms
Discarding 8 places :
Also discarding 3 output transitions
Drop transitions removed 3 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 37 transitions
Trivial Post-agglo rules discarded 37 transitions
Performed 37 trivial Post agglomeration. Transition count delta: 37
Iterating post reduction 0 with 37 rules applied. Total rules applied 39 place count 81 transition count 52
Reduce places removed 37 places and 0 transitions.
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 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 1 with 40 rules applied. Total rules applied 79 place count 44 transition count 49
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 80 place count 43 transition count 49
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 80 place count 43 transition count 37
Deduced a syphon composed of 12 places in 1 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 104 place count 31 transition count 37
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 108 place count 27 transition count 33
Iterating global reduction 3 with 4 rules applied. Total rules applied 112 place count 27 transition count 33
Performed 13 Post agglomeration using F-continuation condition.Transition count delta: 13
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 3 with 26 rules applied. Total rules applied 138 place count 14 transition count 20
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 3 with 1 rules applied. Total rules applied 139 place count 14 transition count 19
Discarding 4 places :
Symmetric choice reduction at 4 with 4 rule applications. Total rules 143 place count 10 transition count 12
Iterating global reduction 4 with 4 rules applied. Total rules applied 147 place count 10 transition count 12
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 4 with 2 rules applied. Total rules applied 149 place count 9 transition count 11
Reduce places removed 1 places and 1 transitions.
Iterating global reduction 4 with 1 rules applied. Total rules applied 150 place count 8 transition count 10
Applied a total of 150 rules in 15 ms. Remains 8 /96 variables (removed 88) and now considering 10/100 (removed 90) transitions.
// Phase 1: matrix 10 rows 8 cols
[2024-05-24 12:31:43] [INFO ] Computed 0 invariants in 0 ms
[2024-05-24 12:31:43] [INFO ] Implicit Places using invariants in 17 ms returned []
[2024-05-24 12:31:43] [INFO ] Invariant cache hit.
[2024-05-24 12:31:43] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-24 12:31:43] [INFO ] Implicit Places using invariants and state equation in 25 ms returned []
Implicit Place search using SMT with State Equation took 43 ms to find 0 implicit places.
[2024-05-24 12:31:43] [INFO ] Redundant transitions in 0 ms returned []
[2024-05-24 12:31:43] [INFO ] Invariant cache hit.
[2024-05-24 12:31:43] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/96 places, 10/100 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 86 ms. Remains : 8/96 places, 10/100 transitions.
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-04b-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (EQ s7 0) (EQ s3 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 10786 reset in 198 ms.
Product exploration explored 100000 steps with 10597 reset in 124 ms.
Computed a total of 6 stabilizing places and 7 stable transitions
Computed a total of 6 stabilizing places and 7 stable transitions
Detected a total of 6/8 stabilizing places and 7/10 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 95 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 31 ms :[(NOT p0)]
Finished random walk after 31 steps, including 3 resets, run visited all 1 properties in 2 ms. (steps per millisecond=15 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 124 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 34 ms :[(NOT p0)]
Support contains 2 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2024-05-24 12:31:44] [INFO ] Invariant cache hit.
[2024-05-24 12:31:44] [INFO ] Implicit Places using invariants in 21 ms returned []
[2024-05-24 12:31:44] [INFO ] Invariant cache hit.
[2024-05-24 12:31:44] [INFO ] State equation strengthened by 1 read => feed constraints.
[2024-05-24 12:31:44] [INFO ] Implicit Places using invariants and state equation in 28 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2024-05-24 12:31:44] [INFO ] Redundant transitions in 1 ms returned []
[2024-05-24 12:31:44] [INFO ] Invariant cache hit.
[2024-05-24 12:31:44] [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 81 ms. Remains : 8/8 places, 10/10 transitions.
Computed a total of 6 stabilizing places and 7 stable transitions
Computed a total of 6 stabilizing places and 7 stable transitions
Detected a total of 6/8 stabilizing places and 7/10 transitions leading to convergence knowledge of the form 'F(Gp|G!p)' for 1/1 atomic propositions.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 97 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 38 ms :[(NOT p0)]
Finished random walk after 37 steps, including 3 resets, run visited all 1 properties in 2 ms. (steps per millisecond=18 )
Parikh walk visited 0 properties in 0 ms.
Knowledge obtained : [p0, (X p0), (X (X p0)), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 4 factoid took 104 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 42 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Stuttering acceptance computed with spot in 33 ms :[(NOT p0)]
Product exploration explored 100000 steps with 10776 reset in 106 ms.
Product exploration explored 100000 steps with 10759 reset in 81 ms.
Built C files in :
/tmp/ltsmin10863183485120097062
[2024-05-24 12:31:45] [INFO ] Computing symmetric may disable matrix : 10 transitions.
[2024-05-24 12:31:45] [INFO ] Computation of Complete disable matrix. took 1 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:31:45] [INFO ] Computing symmetric may enable matrix : 10 transitions.
[2024-05-24 12:31:45] [INFO ] Computation of Complete enable matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:31:45] [INFO ] Computing Do-Not-Accords matrix : 10 transitions.
[2024-05-24 12:31:45] [INFO ] Computation of Completed DNA matrix. took 0 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2024-05-24 12:31:45] [INFO ] Built C files in 4ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin10863183485120097062
Running compilation step : cd /tmp/ltsmin10863183485120097062;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 161 ms.
Running link step : cd /tmp/ltsmin10863183485120097062;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 41 ms.
Running LTSmin : cd /tmp/ltsmin10863183485120097062;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202304061127/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '-p' '--pins-guards' '--when' '--hoa' '/tmp/stateBased11267409109252259811.hoa' '--buchi-type=spotba'
LTSmin run took 81 ms.
FORMULA GPUForwardProgress-PT-04b-LTLCardinality-09 TRUE TECHNIQUES PARTIAL_ORDER EXPLICIT LTSMIN SAT_SMT
Treatment of property GPUForwardProgress-PT-04b-LTLCardinality-09 finished in 1773 ms.
All properties solved by simple procedures.
Total runtime 4993 ms.

BK_STOP 1716553906480

--------------------
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
+ [[ LTLCardinality = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLCardinality -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_1.0.0.202304061127.jar
+ VERSION=202304061127
+ echo 'Running Version 202304061127'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -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="GPUForwardProgress-PT-04b"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="gold2023"
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 2-5568"
echo " Executing tool gold2023"
echo " Input is GPUForwardProgress-PT-04b, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r197-tall-171640625300297"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-04b.tgz
mv GPUForwardProgress-PT-04b execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "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 [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "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 "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
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 ;