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.r007-oct2-167813595300315.qcow2', fmt=qcow2 cluster_size=65536 extended_l2=off compression_type=zlib size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 backing_fmt=qcow2 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 Angiogenesis-PT-01, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-oct2-167813595300315
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 7.3K Feb 26 14:53 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K Feb 26 14:53 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.6K Feb 26 14:53 CTLFireability.txt
-rw-r--r-- 1 mcc users 38K Feb 26 14:53 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.1K Feb 25 15:31 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:31 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Feb 25 15:31 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:31 LTLFireability.xml
-rw-r--r-- 1 mcc users 18K Feb 26 14:53 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 175K Feb 26 14:53 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 8.8K Feb 26 14:53 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Feb 26 14:53 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:31 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:31 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 34K Mar 5 18:22 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 Angiogenesis-PT-01-LTLCardinality-00
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-01
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-02
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-03
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-04
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-05
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-06
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-07
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-08
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-09
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-10
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-11
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-12
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-13
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-14
FORMULA_NAME Angiogenesis-PT-01-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678347026286

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=Angiogenesis-PT-01
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-09 07:30:30] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-09 07:30:30] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-09 07:30:30] [INFO ] Load time of PNML (sax parser for PT used): 35 ms
[2023-03-09 07:30:30] [INFO ] Transformed 39 places.
[2023-03-09 07:30:30] [INFO ] Transformed 64 transitions.
[2023-03-09 07:30:30] [INFO ] Found NUPN structural information;
[2023-03-09 07:30:30] [INFO ] Parsed PT model containing 39 places and 64 transitions and 185 arcs in 169 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 21 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 3 formulas.
FORMULA Angiogenesis-PT-01-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-02 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 39 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 39/39 places, 64/64 transitions.
Applied a total of 0 rules in 26 ms. Remains 39 /39 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 39 cols
[2023-03-09 07:30:31] [INFO ] Computed 8 place invariants in 10 ms
[2023-03-09 07:30:31] [INFO ] Implicit Places using invariants in 492 ms returned [5]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 558 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 38/39 places, 64/64 transitions.
Applied a total of 0 rules in 3 ms. Remains 38 /38 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 588 ms. Remains : 38/39 places, 64/64 transitions.
Support contains 23 out of 38 places after structural reductions.
[2023-03-09 07:30:32] [INFO ] Flatten gal took : 48 ms
[2023-03-09 07:30:32] [INFO ] Flatten gal took : 10 ms
[2023-03-09 07:30:32] [INFO ] Input system was already deterministic with 64 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 308 ms. (steps per millisecond=32 ) properties (out of 16) seen :12
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 131 ms. (steps per millisecond=76 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 218 ms. (steps per millisecond=45 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 6 resets, run finished after 165 ms. (steps per millisecond=60 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 188 ms. (steps per millisecond=53 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 64 rows 38 cols
[2023-03-09 07:30:33] [INFO ] Computed 7 place invariants in 1 ms
[2023-03-09 07:30:33] [INFO ] [Real]Absence check using 7 positive place invariants in 2 ms returned sat
[2023-03-09 07:30:33] [INFO ] After 41ms SMT Verify possible using state equation in real domain returned unsat :3 sat :1
[2023-03-09 07:30:33] [INFO ] Deduced a trap composed of 23 places in 90 ms of which 32 ms to minimize.
[2023-03-09 07:30:33] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 95 ms
[2023-03-09 07:30:33] [INFO ] After 143ms SMT Verify possible using trap constraints in real domain returned unsat :4 sat :0
[2023-03-09 07:30:33] [INFO ] After 201ms SMT Verify possible using all constraints in real domain returned unsat :4 sat :0
Fused 4 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 2 ms.
Successfully simplified 4 atomic propositions for a total of 10 simplifications.
FORMULA Angiogenesis-PT-01-LTLCardinality-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Angiogenesis-PT-01-LTLCardinality-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
Graph (complete) has 115 edges and 38 vertex of which 37 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.3 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((F(G(p0)) U p1))))'
Support contains 3 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 64/64 transitions.
Graph (trivial) has 10 edges and 38 vertex of which 2 / 38 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 114 edges and 37 vertex of which 36 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
Performed 5 Post agglomeration using F-continuation condition.Transition count delta: 5
Deduced a syphon composed of 5 places in 0 ms
Reduce places removed 5 places and 0 transitions.
Iterating global reduction 0 with 10 rules applied. Total rules applied 12 place count 31 transition count 58
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 18 place count 28 transition count 61
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 25 place count 28 transition count 54
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 0 with 3 rules applied. Total rules applied 28 place count 28 transition count 54
Applied a total of 28 rules in 48 ms. Remains 28 /38 variables (removed 10) and now considering 54/64 (removed 10) transitions.
[2023-03-09 07:30:33] [INFO ] Flow matrix only has 45 transitions (discarded 9 similar events)
// Phase 1: matrix 45 rows 28 cols
[2023-03-09 07:30:33] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-09 07:30:34] [INFO ] Implicit Places using invariants in 187 ms returned [24]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 190 ms to find 1 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 27/38 places, 54/64 transitions.
Graph (trivial) has 6 edges and 27 vertex of which 2 / 27 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Drop transitions removed 5 transitions
Redundant transition composition rules discarded 5 transitions
Iterating global reduction 0 with 5 rules applied. Total rules applied 6 place count 26 transition count 48
Applied a total of 6 rules in 5 ms. Remains 26 /27 variables (removed 1) and now considering 48/54 (removed 6) transitions.
[2023-03-09 07:30:34] [INFO ] Flow matrix only has 43 transitions (discarded 5 similar events)
// Phase 1: matrix 43 rows 26 cols
[2023-03-09 07:30:34] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-09 07:30:34] [INFO ] Implicit Places using invariants in 98 ms returned []
[2023-03-09 07:30:34] [INFO ] Flow matrix only has 43 transitions (discarded 5 similar events)
[2023-03-09 07:30:34] [INFO ] Invariant cache hit.
[2023-03-09 07:30:34] [INFO ] Implicit Places using invariants and state equation in 310 ms returned []
Implicit Place search using SMT with State Equation took 412 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 26/38 places, 48/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 656 ms. Remains : 26/38 places, 48/64 transitions.
Stuttering acceptance computed with spot in 477 ms :[(NOT p1), (AND (NOT p1) (NOT p0)), (NOT p1)]
Running random walk in product with property : Angiogenesis-PT-01-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(AND p1 p0), acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={1} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0, 1} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=(NOT p1), acceptance={0, 1} source=2 dest: 2}]], initial=0, aps=[p1:(OR (EQ s20 0) (EQ s16 1)), p0:(NEQ s21 1)], nbAcceptance=2, 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 135 steps with 2 reset in 7 ms.
FORMULA Angiogenesis-PT-01-LTLCardinality-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLCardinality-00 finished in 1310 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||G(p1)))))'
Support contains 3 out of 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 64/64 transitions.
Graph (trivial) has 9 edges and 38 vertex of which 2 / 38 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Performed 7 Post agglomeration using F-continuation condition.Transition count delta: 7
Deduced a syphon composed of 7 places in 0 ms
Reduce places removed 7 places and 0 transitions.
Iterating global reduction 0 with 14 rules applied. Total rules applied 15 place count 30 transition count 56
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 4 places in 0 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 23 place count 26 transition count 59
Drop transitions removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 33 place count 26 transition count 49
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 35 place count 26 transition count 49
Applied a total of 35 rules in 25 ms. Remains 26 /38 variables (removed 12) and now considering 49/64 (removed 15) transitions.
[2023-03-09 07:30:35] [INFO ] Flow matrix only has 39 transitions (discarded 10 similar events)
// Phase 1: matrix 39 rows 26 cols
[2023-03-09 07:30:35] [INFO ] Computed 7 place invariants in 2 ms
[2023-03-09 07:30:35] [INFO ] Implicit Places using invariants in 295 ms returned [22, 24]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 298 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 24/38 places, 49/64 transitions.
Graph (trivial) has 12 edges and 24 vertex of which 6 / 24 are part of one of the 3 SCC in 1 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Drop transitions removed 7 transitions
Redundant transition composition rules discarded 7 transitions
Iterating global reduction 0 with 7 rules applied. Total rules applied 8 place count 21 transition count 37
Applied a total of 8 rules in 10 ms. Remains 21 /24 variables (removed 3) and now considering 37/49 (removed 12) transitions.
[2023-03-09 07:30:35] [INFO ] Flow matrix only has 31 transitions (discarded 6 similar events)
// Phase 1: matrix 31 rows 21 cols
[2023-03-09 07:30:35] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-09 07:30:35] [INFO ] Implicit Places using invariants in 62 ms returned []
[2023-03-09 07:30:35] [INFO ] Flow matrix only has 31 transitions (discarded 6 similar events)
[2023-03-09 07:30:35] [INFO ] Invariant cache hit.
[2023-03-09 07:30:35] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 21/38 places, 37/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 506 ms. Remains : 21/38 places, 37/64 transitions.
Stuttering acceptance computed with spot in 138 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Angiogenesis-PT-01-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(OR (EQ s2 0) (EQ s13 1)), p0:(EQ s12 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 61 steps with 0 reset in 2 ms.
FORMULA Angiogenesis-PT-01-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLCardinality-03 finished in 679 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)&&F(G(p1)))))'
Support contains 4 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 64/64 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 37 transition count 64
Applied a total of 1 rules in 2 ms. Remains 37 /38 variables (removed 1) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2023-03-09 07:30:35] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-09 07:30:35] [INFO ] Implicit Places using invariants in 82 ms returned [31, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 86 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/38 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 89 ms. Remains : 35/38 places, 64/64 transitions.
Stuttering acceptance computed with spot in 327 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : Angiogenesis-PT-01-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=p1, acceptance={} source=3 dest: 3}, { cond=(NOT p1), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (EQ s0 0) (EQ s20 1)), p1:(OR (EQ s16 0) (EQ s10 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], 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 Angiogenesis-PT-01-LTLCardinality-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLCardinality-04 finished in 448 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 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 64/64 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 37 transition count 64
Applied a total of 1 rules in 1 ms. Remains 37 /38 variables (removed 1) and now considering 64/64 (removed 0) transitions.
[2023-03-09 07:30:36] [INFO ] Invariant cache hit.
[2023-03-09 07:30:36] [INFO ] Implicit Places using invariants in 61 ms returned [31, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 64 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 35/38 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 67 ms. Remains : 35/38 places, 64/64 transitions.
Stuttering acceptance computed with spot in 174 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-01-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (EQ s12 0) (EQ s24 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-01-LTLCardinality-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-01-LTLCardinality-11 finished in 269 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X((F(G(p0)) U (G(p2)||p1))))))'
Support contains 6 out of 38 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 38/38 places, 64/64 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 37 transition count 64
Applied a total of 1 rules in 2 ms. Remains 37 /38 variables (removed 1) and now considering 64/64 (removed 0) transitions.
[2023-03-09 07:30:36] [INFO ] Invariant cache hit.
[2023-03-09 07:30:36] [INFO ] Implicit Places using invariants in 186 ms returned [31]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 187 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 36/38 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 36 /36 variables (removed 0) and now considering 64/64 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 190 ms. Remains : 36/38 places, 64/64 transitions.
Stuttering acceptance computed with spot in 527 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p0), (AND (NOT p0) (NOT p2))]
Running random walk in product with property : Angiogenesis-PT-01-LTLCardinality-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=3 dest: 4}, { cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 5}], [{ cond=p0, acceptance={} source=4 dest: 4}, { cond=(NOT p0), acceptance={0} source=4 dest: 4}], [{ cond=(NOT p2), acceptance={} source=5 dest: 4}, { cond=p2, acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(OR (EQ s33 0) (EQ s1 1)), p2:(OR (EQ s33 0) (EQ s1 1)), p0:(AND (OR (EQ s17 0) (EQ s32 1)) (OR (EQ s23 0) (EQ s25 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 3 reset in 314 ms.
Stack based approach found an accepted trace after 58 steps with 1 reset with depth 55 and stack size 38 in 0 ms.
FORMULA Angiogenesis-PT-01-LTLCardinality-12 FALSE TECHNIQUES STACK_TEST
Treatment of property Angiogenesis-PT-01-LTLCardinality-12 finished in 1066 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 38 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 38/38 places, 64/64 transitions.
Graph (trivial) has 9 edges and 38 vertex of which 2 / 38 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Graph (complete) has 114 edges and 37 vertex of which 36 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 0 output transitions
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 0 with 16 rules applied. Total rules applied 18 place count 28 transition count 55
Performed 4 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 4 places in 1 ms
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 0 with 8 rules applied. Total rules applied 26 place count 24 transition count 58
Drop transitions removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 0 with 10 rules applied. Total rules applied 36 place count 24 transition count 48
Partial Post-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 0 with 1 rules applied. Total rules applied 37 place count 24 transition count 48
Applied a total of 37 rules in 6 ms. Remains 24 /38 variables (removed 14) and now considering 48/64 (removed 16) transitions.
[2023-03-09 07:30:37] [INFO ] Flow matrix only has 38 transitions (discarded 10 similar events)
// Phase 1: matrix 38 rows 24 cols
[2023-03-09 07:30:37] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-09 07:30:37] [INFO ] Implicit Places using invariants in 38 ms returned [19, 21]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 40 ms to find 2 implicit places.
Starting structural reductions in SI_LTL mode, iteration 1 : 22/38 places, 48/64 transitions.
Graph (trivial) has 8 edges and 22 vertex of which 4 / 22 are part of one of the 2 SCC in 1 ms
Free SCC test removed 2 places
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 9 place count 20 transition count 38
Applied a total of 9 rules in 3 ms. Remains 20 /22 variables (removed 2) and now considering 38/48 (removed 10) transitions.
[2023-03-09 07:30:37] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
// Phase 1: matrix 32 rows 20 cols
[2023-03-09 07:30:37] [INFO ] Computed 4 place invariants in 1 ms
[2023-03-09 07:30:37] [INFO ] Implicit Places using invariants in 120 ms returned []
[2023-03-09 07:30:37] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2023-03-09 07:30:37] [INFO ] Invariant cache hit.
[2023-03-09 07:30:37] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-09 07:30:37] [INFO ] Implicit Places using invariants and state equation in 260 ms returned []
Implicit Place search using SMT with State Equation took 396 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 20/38 places, 38/64 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 445 ms. Remains : 20/38 places, 38/64 transitions.
Stuttering acceptance computed with spot in 137 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-01-LTLCardinality-14 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 s9 0) (EQ s19 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 0 reset in 139 ms.
Product exploration explored 100000 steps with 0 reset in 86 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 197 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 96 ms :[(NOT p0), (NOT p0)]
Finished random walk after 61 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=30 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 295 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 161 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 178 ms :[(NOT p0), (NOT p0)]
Support contains 2 out of 20 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 20/20 places, 38/38 transitions.
Applied a total of 0 rules in 3 ms. Remains 20 /20 variables (removed 0) and now considering 38/38 (removed 0) transitions.
[2023-03-09 07:30:39] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2023-03-09 07:30:39] [INFO ] Invariant cache hit.
[2023-03-09 07:30:39] [INFO ] Implicit Places using invariants in 288 ms returned []
[2023-03-09 07:30:39] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2023-03-09 07:30:39] [INFO ] Invariant cache hit.
[2023-03-09 07:30:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-09 07:30:39] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 578 ms to find 0 implicit places.
[2023-03-09 07:30:39] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-09 07:30:39] [INFO ] Flow matrix only has 32 transitions (discarded 6 similar events)
[2023-03-09 07:30:39] [INFO ] Invariant cache hit.
[2023-03-09 07:30:40] [INFO ] Dead Transitions using invariants and state equation in 207 ms found 4 transitions.
Found 4 dead transitions using SMT.
Drop transitions removed 4 transitions
Dead transitions reduction (with SMT) removed 4 transitions
Starting structural reductions in SI_LTL mode, iteration 1 : 20/20 places, 34/38 transitions.
Graph (complete) has 65 edges and 20 vertex of which 17 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 2 ms. Remains 17 /20 variables (removed 3) and now considering 34/34 (removed 0) transitions.
[2023-03-09 07:30:40] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
// Phase 1: matrix 28 rows 17 cols
[2023-03-09 07:30:40] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-09 07:30:40] [INFO ] Implicit Places using invariants in 269 ms returned []
[2023-03-09 07:30:40] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
[2023-03-09 07:30:40] [INFO ] Invariant cache hit.
[2023-03-09 07:30:40] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-09 07:30:40] [INFO ] Implicit Places using invariants and state equation in 150 ms returned []
Implicit Place search using SMT with State Equation took 424 ms to find 0 implicit places.
Starting structural reductions in SI_LTL mode, iteration 2 : 17/20 places, 34/38 transitions.
Finished structural reductions in SI_LTL mode , in 2 iterations and 1253 ms. Remains : 17/20 places, 34/38 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 238 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 168 ms :[(NOT p0), (NOT p0)]
Finished random walk after 436 steps, including 6 resets, run visited all 1 properties in 8 ms. (steps per millisecond=54 )
Knowledge obtained : [p0, (X p0), (X (X p0))]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 3 factoid took 269 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 176 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 140 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1 reset in 102 ms.
Product exploration explored 100000 steps with 3 reset in 81 ms.
Support contains 2 out of 17 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 17/17 places, 34/34 transitions.
Applied a total of 0 rules in 1 ms. Remains 17 /17 variables (removed 0) and now considering 34/34 (removed 0) transitions.
[2023-03-09 07:30:41] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
[2023-03-09 07:30:41] [INFO ] Invariant cache hit.
[2023-03-09 07:30:41] [INFO ] Implicit Places using invariants in 70 ms returned []
[2023-03-09 07:30:41] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
[2023-03-09 07:30:41] [INFO ] Invariant cache hit.
[2023-03-09 07:30:42] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-09 07:30:42] [INFO ] Implicit Places using invariants and state equation in 67 ms returned []
Implicit Place search using SMT with State Equation took 141 ms to find 0 implicit places.
[2023-03-09 07:30:42] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-09 07:30:42] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
[2023-03-09 07:30:42] [INFO ] Invariant cache hit.
[2023-03-09 07:30:42] [INFO ] Dead Transitions using invariants and state equation in 69 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 227 ms. Remains : 17/17 places, 34/34 transitions.
Treatment of property Angiogenesis-PT-01-LTLCardinality-14 finished in 4762 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)))'
[2023-03-09 07:30:42] [INFO ] Flatten gal took : 5 ms
[2023-03-09 07:30:42] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2023-03-09 07:30:42] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 38 places, 64 transitions and 182 arcs took 1 ms.
Total runtime 11937 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT Angiogenesis-PT-01
BK_EXAMINATION: LTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/377
LTLCardinality

FORMULA Angiogenesis-PT-01-LTLCardinality-14 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678347042856

--------------------
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/377/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/377/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/377/LTLCardinality.xml
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: LAUNCH task # 1 (type EXCL) for 0 Angiogenesis-PT-01-LTLCardinality-14
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for Angiogenesis-PT-01-LTLCardinality-14
lola: result : true
lola: markings : 82
lola: fired transitions : 182
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
Angiogenesis-PT-01-LTLCardinality-14: LTL true 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="Angiogenesis-PT-01"
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 Angiogenesis-PT-01, 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 r007-oct2-167813595300315"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Angiogenesis-PT-01.tgz
mv Angiogenesis-PT-01 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 ;