About the Execution of LoLa+red for UtilityControlRoom-PT-Z2T4N10
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 496.556 | 15068.00 | 27943.00 | 442.10 | FFFFFFFFFTFFFFFF | 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.r487-tall-167912704001155.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 lolaxred
Input is UtilityControlRoom-PT-Z2T4N10, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r487-tall-167912704001155
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.2M
-rw-r--r-- 1 mcc users 19K Feb 26 14:46 CTLCardinality.txt
-rw-r--r-- 1 mcc users 110K Feb 26 14:46 CTLCardinality.xml
-rw-r--r-- 1 mcc users 26K Feb 26 14:44 CTLFireability.txt
-rw-r--r-- 1 mcc users 105K Feb 26 14:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 25 17:25 LTLCardinality.txt
-rw-r--r-- 1 mcc users 42K Feb 25 17:25 LTLCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 25 17:25 LTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 25 17:25 LTLFireability.xml
-rw-r--r-- 1 mcc users 48K Feb 26 14:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 235K Feb 26 14:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 77K Feb 26 14:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 320K Feb 26 14:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 3.0K Feb 25 17:25 UpperBounds.txt
-rw-r--r-- 1 mcc users 6.4K Feb 25 17:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 8 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 116K 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 UtilityControlRoom-PT-Z2T4N10-LTLCardinality-00
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-01
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-02
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-03
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-04
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-05
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-06
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-07
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-08
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-09
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-10
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-11
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-12
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-14
FORMULA_NAME UtilityControlRoom-PT-Z2T4N10-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679234995105
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=lolaxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=UtilityControlRoom-PT-Z2T4N10
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-19 14:09:56] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-19 14:09:56] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-19 14:09:56] [INFO ] Load time of PNML (sax parser for PT used): 46 ms
[2023-03-19 14:09:56] [INFO ] Transformed 174 places.
[2023-03-19 14:09:56] [INFO ] Transformed 270 transitions.
[2023-03-19 14:09:56] [INFO ] Parsed PT model containing 174 places and 270 transitions and 850 arcs in 103 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 9 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
Ensure Unique test removed 40 transitions
Reduce redundant transitions removed 40 transitions.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 103 out of 174 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 174/174 places, 230/230 transitions.
Discarding 19 places :
Symmetric choice reduction at 0 with 19 rule applications. Total rules 19 place count 155 transition count 211
Iterating global reduction 0 with 19 rules applied. Total rules applied 38 place count 155 transition count 211
Applied a total of 38 rules in 15 ms. Remains 155 /174 variables (removed 19) and now considering 211/230 (removed 19) transitions.
// Phase 1: matrix 211 rows 155 cols
[2023-03-19 14:09:56] [INFO ] Computed 23 place invariants in 15 ms
[2023-03-19 14:09:57] [INFO ] Implicit Places using invariants in 369 ms returned []
[2023-03-19 14:09:57] [INFO ] Invariant cache hit.
[2023-03-19 14:09:57] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 533 ms to find 0 implicit places.
[2023-03-19 14:09:57] [INFO ] Invariant cache hit.
[2023-03-19 14:09:57] [INFO ] Dead Transitions using invariants and state equation in 107 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 155/174 places, 211/230 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 656 ms. Remains : 155/174 places, 211/230 transitions.
Support contains 103 out of 155 places after structural reductions.
[2023-03-19 14:09:57] [INFO ] Flatten gal took : 36 ms
[2023-03-19 14:09:57] [INFO ] Flatten gal took : 15 ms
[2023-03-19 14:09:57] [INFO ] Input system was already deterministic with 211 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 325 ms. (steps per millisecond=30 ) properties (out of 24) seen :19
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
[2023-03-19 14:09:58] [INFO ] Invariant cache hit.
[2023-03-19 14:09:58] [INFO ] [Real]Absence check using 23 positive place invariants in 6 ms returned sat
[2023-03-19 14:09:58] [INFO ] After 89ms SMT Verify possible using all constraints in real domain returned unsat :2 sat :0 real:3
[2023-03-19 14:09:58] [INFO ] [Nat]Absence check using 23 positive place invariants in 5 ms returned sat
[2023-03-19 14:09:58] [INFO ] After 54ms SMT Verify possible using all constraints in natural domain returned unsat :5 sat :0
Fused 5 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-00 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-06 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 5 atomic propositions for a total of 11 simplifications.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 2 out of 155 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 155 transition count 209
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 153 transition count 208
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 5 place count 153 transition count 188
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 45 place count 133 transition count 188
Performed 39 Post agglomeration using F-continuation condition.Transition count delta: 39
Deduced a syphon composed of 39 places in 0 ms
Reduce places removed 39 places and 0 transitions.
Iterating global reduction 2 with 78 rules applied. Total rules applied 123 place count 94 transition count 149
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 2 with 19 rules applied. Total rules applied 142 place count 94 transition count 130
Applied a total of 142 rules in 31 ms. Remains 94 /155 variables (removed 61) and now considering 130/211 (removed 81) transitions.
// Phase 1: matrix 130 rows 94 cols
[2023-03-19 14:09:58] [INFO ] Computed 23 place invariants in 3 ms
[2023-03-19 14:09:58] [INFO ] Implicit Places using invariants in 89 ms returned [52, 53]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 90 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 92/155 places, 130/211 transitions.
Applied a total of 0 rules in 6 ms. Remains 92 /92 variables (removed 0) and now considering 130/130 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 127 ms. Remains : 92/155 places, 130/211 transitions.
Stuttering acceptance computed with spot in 126 ms :[(NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT 1 (ADD s0 s1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 287 ms.
Stack based approach found an accepted trace after 1972 steps with 0 reset with depth 1973 and stack size 1973 in 5 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-01 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-01 finished in 669 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0&&F(G((p1||X(p2)))))))'
Support contains 12 out of 155 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 154 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 154 transition count 210
Applied a total of 2 rules in 11 ms. Remains 154 /155 variables (removed 1) and now considering 210/211 (removed 1) transitions.
// Phase 1: matrix 210 rows 154 cols
[2023-03-19 14:09:59] [INFO ] Computed 23 place invariants in 3 ms
[2023-03-19 14:09:59] [INFO ] Implicit Places using invariants in 70 ms returned [103]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 72 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 153/155 places, 210/211 transitions.
Applied a total of 0 rules in 9 ms. Remains 153 /153 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 92 ms. Remains : 153/155 places, 210/211 transitions.
Stuttering acceptance computed with spot in 184 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), true, (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=p0, acceptance={} source=1 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 4}], [{ cond=(NOT p2), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LEQ 2 (ADD s0 s1)), p1:(GT 1 (ADD s0 s1)), p2:(GT 2 (ADD s123 s124 s125 s126 s127 s128 s129 s130 s131 s132))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 78 reset in 191 ms.
Stack based approach found an accepted trace after 34557 steps with 31 reset with depth 34434 and stack size 34434 in 98 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-02 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-02 finished in 589 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((p1 U (p2||G(p1)))))))'
Support contains 52 out of 155 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 155 transition count 209
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 153 transition count 208
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 63 place count 124 transition count 179
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 2 with 19 rules applied. Total rules applied 82 place count 124 transition count 160
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 21 rules applied. Total rules applied 103 place count 113 transition count 150
Applied a total of 103 rules in 20 ms. Remains 113 /155 variables (removed 42) and now considering 150/211 (removed 61) transitions.
// Phase 1: matrix 150 rows 113 cols
[2023-03-19 14:09:59] [INFO ] Computed 22 place invariants in 3 ms
[2023-03-19 14:09:59] [INFO ] Implicit Places using invariants in 46 ms returned [72]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 47 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 112/155 places, 150/211 transitions.
Applied a total of 0 rules in 4 ms. Remains 112 /112 variables (removed 0) and now considering 150/150 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 71 ms. Remains : 112/155 places, 150/211 transitions.
Stuttering acceptance computed with spot in 102 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p2) (NOT p1))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p2) p1), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(GT 3 (ADD s82 s83 s84 s85 s86 s87 s88 s89 s90 s91)), p2:(AND (GT 3 (ADD s2 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 s15 s16 s17 s18 s19 s20 s21)) (GT ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 0 reset in 270 ms.
Stack based approach found an accepted trace after 165 steps with 0 reset with depth 166 and stack size 166 in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-04 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-04 finished in 464 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U (p1||G(!p0))))'
Support contains 41 out of 155 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 155 transition count 209
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 153 transition count 208
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 63 place count 124 transition count 179
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 2 with 19 rules applied. Total rules applied 82 place count 124 transition count 160
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 83 place count 123 transition count 140
Iterating global reduction 3 with 1 rules applied. Total rules applied 84 place count 123 transition count 140
Applied a total of 84 rules in 11 ms. Remains 123 /155 variables (removed 32) and now considering 140/211 (removed 71) transitions.
// Phase 1: matrix 140 rows 123 cols
[2023-03-19 14:10:00] [INFO ] Computed 23 place invariants in 2 ms
[2023-03-19 14:10:00] [INFO ] Implicit Places using invariants in 56 ms returned [72]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 57 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 122/155 places, 140/211 transitions.
Applied a total of 0 rules in 3 ms. Remains 122 /122 variables (removed 0) and now considering 140/140 (removed 0) transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 72 ms. Remains : 122/155 places, 140/211 transitions.
Stuttering acceptance computed with spot in 72 ms :[p0, true, (AND p0 (NOT p1))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=2 dest: 2}]], initial=2, aps=[p0:(GT 2 (ADD s102 s103 s104 s105 s106 s107 s108 s109 s110 s111 s112 s113 s114 s115 s116 s117 s118 s119 s120 s121)), p1:(GT (ADD s51 s52 s53 s54 s55 s56 s...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Entered a terminal (fully accepting) state of product in 33 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-05 finished in 162 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 20 out of 155 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 155 transition count 209
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 153 transition count 208
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 5 place count 153 transition count 188
Deduced a syphon composed of 20 places in 1 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 45 place count 133 transition count 188
Performed 29 Post agglomeration using F-continuation condition.Transition count delta: 29
Deduced a syphon composed of 29 places in 0 ms
Reduce places removed 29 places and 0 transitions.
Iterating global reduction 2 with 58 rules applied. Total rules applied 103 place count 104 transition count 159
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 2 with 19 rules applied. Total rules applied 122 place count 104 transition count 140
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 123 place count 103 transition count 120
Ensure Unique test removed 1 places
Iterating global reduction 3 with 2 rules applied. Total rules applied 125 place count 102 transition count 120
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 135 place count 92 transition count 110
Iterating global reduction 3 with 10 rules applied. Total rules applied 145 place count 92 transition count 110
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 155 place count 82 transition count 90
Iterating global reduction 3 with 10 rules applied. Total rules applied 165 place count 82 transition count 90
Discarding 10 places :
Symmetric choice reduction at 3 with 10 rule applications. Total rules 175 place count 72 transition count 80
Iterating global reduction 3 with 10 rules applied. Total rules applied 185 place count 72 transition count 80
Ensure Unique test removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 3 with 10 rules applied. Total rules applied 195 place count 72 transition count 70
Applied a total of 195 rules in 17 ms. Remains 72 /155 variables (removed 83) and now considering 70/211 (removed 141) transitions.
// Phase 1: matrix 70 rows 72 cols
[2023-03-19 14:10:00] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-19 14:10:00] [INFO ] Implicit Places using invariants in 34 ms returned [41]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 35 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 71/155 places, 70/211 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 61 transition count 60
Applied a total of 20 rules in 2 ms. Remains 61 /71 variables (removed 10) and now considering 60/70 (removed 10) transitions.
// Phase 1: matrix 60 rows 61 cols
[2023-03-19 14:10:00] [INFO ] Computed 21 place invariants in 0 ms
[2023-03-19 14:10:00] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-19 14:10:00] [INFO ] Invariant cache hit.
[2023-03-19 14:10:00] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 69 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 61/155 places, 60/211 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 123 ms. Remains : 61/155 places, 60/211 transitions.
Stuttering acceptance computed with spot in 28 ms :[(NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT (ADD s51 s52 s53 s54 s55 s56 s57 s58 s59 s60) (ADD s31 s32 s33 s34 s35 s36 s37 s38 s39 s40))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 0 reset in 234 ms.
Stack based approach found an accepted trace after 2319 steps with 0 reset with depth 2320 and stack size 2320 in 7 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-07 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-07 finished in 405 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 2 out of 155 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 154 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 154 transition count 210
Applied a total of 2 rules in 6 ms. Remains 154 /155 variables (removed 1) and now considering 210/211 (removed 1) transitions.
// Phase 1: matrix 210 rows 154 cols
[2023-03-19 14:10:00] [INFO ] Computed 23 place invariants in 2 ms
[2023-03-19 14:10:00] [INFO ] Implicit Places using invariants in 64 ms returned [103]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 66 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 153/155 places, 210/211 transitions.
Applied a total of 0 rules in 8 ms. Remains 153 /153 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 80 ms. Remains : 153/155 places, 210/211 transitions.
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-10 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ s48 s125)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 444 steps with 0 reset in 1 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-10 finished in 179 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(G(p0))))'
Support contains 2 out of 155 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 154 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 154 transition count 210
Applied a total of 2 rules in 3 ms. Remains 154 /155 variables (removed 1) and now considering 210/211 (removed 1) transitions.
[2023-03-19 14:10:00] [INFO ] Invariant cache hit.
[2023-03-19 14:10:01] [INFO ] Implicit Places using invariants in 62 ms returned [103]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 64 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 153/155 places, 210/211 transitions.
Applied a total of 0 rules in 2 ms. Remains 153 /153 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 69 ms. Remains : 153/155 places, 210/211 transitions.
Stuttering acceptance computed with spot in 85 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LEQ s49 s1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 98 steps with 0 reset in 0 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-11 finished in 167 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(F(p0)))'
Support contains 1 out of 155 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 154 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 154 transition count 210
Applied a total of 2 rules in 4 ms. Remains 154 /155 variables (removed 1) and now considering 210/211 (removed 1) transitions.
[2023-03-19 14:10:01] [INFO ] Invariant cache hit.
[2023-03-19 14:10:01] [INFO ] Implicit Places using invariants in 64 ms returned [103]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 65 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 153/155 places, 210/211 transitions.
Applied a total of 0 rules in 1 ms. Remains 153 /153 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 70 ms. Remains : 153/155 places, 210/211 transitions.
Stuttering acceptance computed with spot in 50 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 1 s35)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Product exploration explored 100000 steps with 627 reset in 179 ms.
Stack based approach found an accepted trace after 20564 steps with 126 reset with depth 435 and stack size 435 in 61 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-12 finished in 370 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((G((p1 U p2))||p0))&&F(p2))))'
Support contains 4 out of 155 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 154 transition count 210
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 154 transition count 210
Applied a total of 2 rules in 3 ms. Remains 154 /155 variables (removed 1) and now considering 210/211 (removed 1) transitions.
[2023-03-19 14:10:01] [INFO ] Invariant cache hit.
[2023-03-19 14:10:01] [INFO ] Implicit Places using invariants in 59 ms returned [103]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 62 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 153/155 places, 210/211 transitions.
Applied a total of 0 rules in 1 ms. Remains 153 /153 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 67 ms. Remains : 153/155 places, 210/211 transitions.
Stuttering acceptance computed with spot in 147 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}], [{ cond=(OR (AND p2 (NOT p0)) (AND (NOT p0) p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0} source=1 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(LEQ s1 s80), p0:(OR (LEQ 1 s103) (LEQ s1 s80)), p1:(LEQ 1 s37)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 8072 reset in 206 ms.
Product exploration explored 100000 steps with 7994 reset in 213 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (X (NOT p2)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1))))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1))))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 405 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 154 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Finished random walk after 3254 steps, including 0 resets, run visited all 5 properties in 25 ms. (steps per millisecond=130 )
Knowledge obtained : [(AND (NOT p2) (NOT p0) (NOT p1)), (X (AND (NOT p2) (NOT p0) (NOT p1))), (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1)))), (X (NOT p2)), (X (AND (NOT p2) (NOT p0))), (X (NOT (AND (NOT p2) (NOT p0) p1))), (X (X (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X (NOT (OR (AND p2 (NOT p0)) (AND (NOT p0) p1))))), (X (X (NOT p2))), (X (X (AND (NOT p2) (NOT p0)))), (X (X (NOT (AND (NOT p2) (NOT p0) p1))))]
False Knowledge obtained : [(F p2), (F (AND (NOT p0) p1 (NOT p2))), (F (OR (AND (NOT p0) p1) (AND (NOT p0) p2))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2))))]
Knowledge based reduction with 11 factoid took 495 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 228 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
// Phase 1: matrix 210 rows 153 cols
[2023-03-19 14:10:03] [INFO ] Computed 22 place invariants in 3 ms
[2023-03-19 14:10:03] [INFO ] [Real]Absence check using 22 positive place invariants in 5 ms returned sat
[2023-03-19 14:10:03] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 14:10:03] [INFO ] [Real]Absence check using state equation in 50 ms returned sat
[2023-03-19 14:10:03] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 14:10:03] [INFO ] [Nat]Absence check using 22 positive place invariants in 6 ms returned sat
[2023-03-19 14:10:03] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 14:10:03] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2023-03-19 14:10:03] [INFO ] Computed and/alt/rep : 200/310/200 causal constraints (skipped 0 transitions) in 13 ms.
[2023-03-19 14:10:04] [INFO ] Added : 56 causal constraints over 12 iterations in 167 ms. Result :sat
Could not prove EG (NOT p2)
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 210/210 transitions.
Applied a total of 0 rules in 1 ms. Remains 153 /153 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2023-03-19 14:10:04] [INFO ] Invariant cache hit.
[2023-03-19 14:10:04] [INFO ] Implicit Places using invariants in 53 ms returned []
[2023-03-19 14:10:04] [INFO ] Invariant cache hit.
[2023-03-19 14:10:04] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
[2023-03-19 14:10:04] [INFO ] Invariant cache hit.
[2023-03-19 14:10:04] [INFO ] Dead Transitions using invariants and state equation in 84 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 231 ms. Remains : 153/153 places, 210/210 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT p2)), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p1) (NOT p2))))]
False Knowledge obtained : []
Knowledge based reduction with 11 factoid took 449 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 137 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Finished random walk after 8017 steps, including 2 resets, run visited all 5 properties in 101 ms. (steps per millisecond=79 )
Knowledge obtained : [(AND (NOT p0) (NOT p1) (NOT p2)), (X (AND (NOT p0) (NOT p2))), (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2)))), (X (NOT (AND (NOT p0) p1 (NOT p2)))), (X (NOT p2)), (X (AND (NOT p0) (NOT p1) (NOT p2))), (X (X (AND (NOT p0) (NOT p2)))), (X (X (NOT (OR (AND (NOT p0) p1) (AND (NOT p0) p2))))), (X (X (NOT (AND (NOT p0) p1 (NOT p2))))), (X (X (NOT p2))), (X (X (AND (NOT p0) (NOT p1) (NOT p2))))]
False Knowledge obtained : [(F p2), (F (AND (NOT p0) p1 (NOT p2))), (F (OR (AND (NOT p0) p1) (AND (NOT p0) p2))), (F (NOT (AND (NOT p0) (NOT p2)))), (F (NOT (AND (NOT p0) (NOT p1) (NOT p2))))]
Knowledge based reduction with 11 factoid took 466 ms. Reduced automaton from 4 states, 9 edges and 3 AP (stutter sensitive) to 4 states, 9 edges and 3 AP (stutter sensitive).
Stuttering acceptance computed with spot in 145 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Stuttering acceptance computed with spot in 141 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
[2023-03-19 14:10:05] [INFO ] Invariant cache hit.
[2023-03-19 14:10:05] [INFO ] [Real]Absence check using 22 positive place invariants in 4 ms returned sat
[2023-03-19 14:10:05] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-19 14:10:05] [INFO ] [Real]Absence check using state equation in 55 ms returned sat
[2023-03-19 14:10:05] [INFO ] Solution in real domain found non-integer solution.
[2023-03-19 14:10:05] [INFO ] [Nat]Absence check using 22 positive place invariants in 5 ms returned sat
[2023-03-19 14:10:05] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-19 14:10:06] [INFO ] [Nat]Absence check using state equation in 55 ms returned sat
[2023-03-19 14:10:06] [INFO ] Computed and/alt/rep : 200/310/200 causal constraints (skipped 0 transitions) in 14 ms.
[2023-03-19 14:10:06] [INFO ] Added : 56 causal constraints over 12 iterations in 170 ms. Result :sat
Could not prove EG (NOT p2)
Stuttering acceptance computed with spot in 152 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Product exploration explored 100000 steps with 8037 reset in 206 ms.
Product exploration explored 100000 steps with 8024 reset in 211 ms.
Applying partial POR strategy [false, true, true, true]
Stuttering acceptance computed with spot in 194 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 153/153 places, 210/210 transitions.
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 18 Pre rules applied. Total rules applied 0 place count 153 transition count 228
Deduced a syphon composed of 18 places in 0 ms
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 153 transition count 228
Performed 47 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 65 places in 1 ms
Iterating global reduction 0 with 47 rules applied. Total rules applied 65 place count 153 transition count 238
Ensure Unique test removed 19 transitions
Reduce isomorphic transitions removed 19 transitions.
Iterating post reduction 0 with 19 rules applied. Total rules applied 84 place count 153 transition count 219
Deduced a syphon composed of 65 places in 0 ms
Applied a total of 84 rules in 20 ms. Remains 153 /153 variables (removed 0) and now considering 219/210 (removed -9) transitions.
[2023-03-19 14:10:07] [INFO ] Redundant transitions in 7 ms returned []
// Phase 1: matrix 219 rows 153 cols
[2023-03-19 14:10:07] [INFO ] Computed 22 place invariants in 3 ms
[2023-03-19 14:10:07] [INFO ] Dead Transitions using invariants and state equation in 158 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 153/153 places, 219/210 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 204 ms. Remains : 153/153 places, 219/210 transitions.
Support contains 4 out of 153 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 153/153 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 153 /153 variables (removed 0) and now considering 210/210 (removed 0) transitions.
// Phase 1: matrix 210 rows 153 cols
[2023-03-19 14:10:07] [INFO ] Computed 22 place invariants in 1 ms
[2023-03-19 14:10:07] [INFO ] Implicit Places using invariants in 55 ms returned []
[2023-03-19 14:10:07] [INFO ] Invariant cache hit.
[2023-03-19 14:10:07] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2023-03-19 14:10:07] [INFO ] Invariant cache hit.
[2023-03-19 14:10:07] [INFO ] Dead Transitions using invariants and state equation in 112 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 272 ms. Remains : 153/153 places, 210/210 transitions.
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13 finished in 6211 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G(F(p0)))'
Support contains 2 out of 155 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Drop transitions removed 2 transitions
Trivial Post-agglo rules discarded 2 transitions
Performed 2 trivial Post agglomeration. Transition count delta: 2
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 155 transition count 209
Reduce places removed 2 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 3 rules applied. Total rules applied 5 place count 153 transition count 208
Performed 19 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 19 Pre rules applied. Total rules applied 5 place count 153 transition count 189
Deduced a syphon composed of 19 places in 0 ms
Reduce places removed 19 places and 0 transitions.
Iterating global reduction 2 with 38 rules applied. Total rules applied 43 place count 134 transition count 189
Performed 38 Post agglomeration using F-continuation condition.Transition count delta: 38
Deduced a syphon composed of 38 places in 0 ms
Reduce places removed 38 places and 0 transitions.
Iterating global reduction 2 with 76 rules applied. Total rules applied 119 place count 96 transition count 151
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 2 with 18 rules applied. Total rules applied 137 place count 96 transition count 133
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 138 place count 96 transition count 132
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 139 place count 95 transition count 112
Ensure Unique test removed 1 places
Iterating global reduction 3 with 2 rules applied. Total rules applied 141 place count 94 transition count 112
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 150 place count 85 transition count 103
Iterating global reduction 3 with 9 rules applied. Total rules applied 159 place count 85 transition count 103
Discarding 9 places :
Symmetric choice reduction at 3 with 9 rule applications. Total rules 168 place count 76 transition count 85
Iterating global reduction 3 with 9 rules applied. Total rules applied 177 place count 76 transition count 85
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 185 place count 68 transition count 77
Iterating global reduction 3 with 8 rules applied. Total rules applied 193 place count 68 transition count 77
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 3 with 8 rules applied. Total rules applied 201 place count 68 transition count 69
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Deduced a syphon composed of 8 places in 0 ms
Reduce places removed 8 places and 0 transitions.
Iterating global reduction 4 with 16 rules applied. Total rules applied 217 place count 60 transition count 61
Applied a total of 217 rules in 19 ms. Remains 60 /155 variables (removed 95) and now considering 61/211 (removed 150) transitions.
// Phase 1: matrix 61 rows 60 cols
[2023-03-19 14:10:07] [INFO ] Computed 22 place invariants in 0 ms
[2023-03-19 14:10:07] [INFO ] Implicit Places using invariants in 79 ms returned [28]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 80 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 59/155 places, 61/211 transitions.
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 20 place count 49 transition count 51
Applied a total of 20 rules in 2 ms. Remains 49 /59 variables (removed 10) and now considering 51/61 (removed 10) transitions.
// Phase 1: matrix 51 rows 49 cols
[2023-03-19 14:10:07] [INFO ] Computed 21 place invariants in 0 ms
[2023-03-19 14:10:07] [INFO ] Implicit Places using invariants in 83 ms returned []
[2023-03-19 14:10:07] [INFO ] Invariant cache hit.
[2023-03-19 14:10:08] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 49/155 places, 51/211 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 278 ms. Remains : 49/155 places, 51/211 transitions.
Stuttering acceptance computed with spot in 115 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-15 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:(LEQ s48 s15)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 931 reset in 188 ms.
Stack based approach found an accepted trace after 543 steps with 6 reset with depth 61 and stack size 58 in 1 ms.
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-15 FALSE TECHNIQUES STACK_TEST
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-15 finished in 690 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((X((G((p1 U p2))||p0))&&F(p2))))'
Found a Shortening insensitive property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13
Stuttering acceptance computed with spot in 150 ms :[(NOT p2), (AND (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p0) (NOT p2))]
Support contains 4 out of 155 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 155/155 places, 211/211 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 155 transition count 210
Reduce places removed 1 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 3 rules applied. Total rules applied 4 place count 154 transition count 208
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 5 place count 153 transition count 208
Performed 18 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 18 Pre rules applied. Total rules applied 5 place count 153 transition count 190
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 3 with 36 rules applied. Total rules applied 41 place count 135 transition count 190
Performed 37 Post agglomeration using F-continuation condition.Transition count delta: 37
Deduced a syphon composed of 37 places in 0 ms
Reduce places removed 37 places and 0 transitions.
Iterating global reduction 3 with 74 rules applied. Total rules applied 115 place count 98 transition count 153
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 3 with 18 rules applied. Total rules applied 133 place count 98 transition count 135
Applied a total of 133 rules in 17 ms. Remains 98 /155 variables (removed 57) and now considering 135/211 (removed 76) transitions.
// Phase 1: matrix 135 rows 98 cols
[2023-03-19 14:10:08] [INFO ] Computed 23 place invariants in 0 ms
[2023-03-19 14:10:08] [INFO ] Implicit Places using invariants in 68 ms returned [55, 56]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 70 ms to find 2 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 96/155 places, 135/211 transitions.
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 18 place count 87 transition count 126
Applied a total of 18 rules in 3 ms. Remains 87 /96 variables (removed 9) and now considering 126/135 (removed 9) transitions.
// Phase 1: matrix 126 rows 87 cols
[2023-03-19 14:10:08] [INFO ] Computed 21 place invariants in 1 ms
[2023-03-19 14:10:08] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-19 14:10:08] [INFO ] Invariant cache hit.
[2023-03-19 14:10:08] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
Starting structural reductions in LI_LTL mode, iteration 2 : 87/155 places, 126/211 transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 200 ms. Remains : 87/155 places, 126/211 transitions.
Running random walk in product with property : UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}], [{ cond=(OR (AND p2 (NOT p0)) (AND (NOT p0) p1)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p2) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0} source=1 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p2) (NOT p0) p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p2:(LEQ s1 s54), p0:(OR (LEQ 1 s55) (LEQ s1 s54)), p1:(LEQ 1 s37)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, cl-invariant], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 12157 reset in 199 ms.
Stack based approach found an accepted trace after 20002 steps with 2397 reset with depth 7 and stack size 7 in 51 ms.
Treatment of property UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13 finished in 764 ms.
Length sensitive decision was in the wrong direction : Shortening insensitive + false
[2023-03-19 14:10:09] [INFO ] Flatten gal took : 11 ms
[2023-03-19 14:10:09] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2023-03-19 14:10:09] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 155 places, 211 transitions and 652 arcs took 3 ms.
Total runtime 12724 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT UtilityControlRoom-PT-Z2T4N10
BK_EXAMINATION: LTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374
LTLCardinality
FORMULA UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT
BK_STOP 1679235010173
--------------------
content from stderr:
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/374/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/374/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/374/LTLCardinality.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:436
lola: rewrite Frontend/Parser/formula_rewrite.k:521
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13
lola: result : false
lola: markings : 353
lola: fired transitions : 355
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas
FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
UtilityControlRoom-PT-Z2T4N10-LTLCardinality-13: LTL false LTL model checker
Time elapsed: 0 secs. Pages in use: 1
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="UtilityControlRoom-PT-Z2T4N10"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is UtilityControlRoom-PT-Z2T4N10, 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 r487-tall-167912704001155"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/UtilityControlRoom-PT-Z2T4N10.tgz
mv UtilityControlRoom-PT-Z2T4N10 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 '
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 ;