Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r039-tajo-167813692100161.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is BridgeAndVehicles-PT-V04P05N02, examination is CTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692100161
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 656K
-rw-r--r-- 1 mcc users 9.5K Feb 25 12:04 CTLCardinality.txt
-rw-r--r-- 1 mcc users 89K Feb 25 12:04 CTLCardinality.xml
-rw-r--r-- 1 mcc users 13K Feb 25 12:03 CTLFireability.txt
-rw-r--r-- 1 mcc users 81K Feb 25 12:03 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 15:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 7.2K Feb 25 15:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 30K Feb 25 15:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 19K Feb 25 12:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 163K Feb 25 12:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 19K Feb 25 12:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Feb 25 12:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Feb 25 15:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Feb 25 15:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 37K 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 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-00
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-01
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-02
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-03
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-04
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-05
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-06
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-07
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-08
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-09
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-10
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-11
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-12
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-13
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-14
FORMULA_NAME BridgeAndVehicles-PT-V04P05N02-CTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678483287832

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=CTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-PT-V04P05N02
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-10 21:21:29] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, CTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-10 21:21:29] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 21:21:29] [INFO ] Load time of PNML (sax parser for PT used): 28 ms
[2023-03-10 21:21:29] [INFO ] Transformed 28 places.
[2023-03-10 21:21:29] [INFO ] Transformed 52 transitions.
[2023-03-10 21:21:29] [INFO ] Parsed PT model containing 28 places and 52 transitions and 326 arcs in 86 ms.
Parsed 16 properties from file /home/mcc/execution/CTLCardinality.xml in 11 ms.
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 26 out of 28 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Applied a total of 0 rules in 6 ms. Remains 28 /28 variables (removed 0) and now considering 52/52 (removed 0) transitions.
[2023-03-10 21:21:29] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 28 cols
[2023-03-10 21:21:29] [INFO ] Computed 7 place invariants in 6 ms
[2023-03-10 21:21:29] [INFO ] Dead Transitions using invariants and state equation in 175 ms found 0 transitions.
[2023-03-10 21:21:29] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
[2023-03-10 21:21:29] [INFO ] Invariant cache hit.
[2023-03-10 21:21:29] [INFO ] Implicit Places using invariants in 25 ms returned []
[2023-03-10 21:21:29] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
[2023-03-10 21:21:29] [INFO ] Invariant cache hit.
[2023-03-10 21:21:29] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-10 21:21:29] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2023-03-10 21:21:29] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
[2023-03-10 21:21:29] [INFO ] Invariant cache hit.
[2023-03-10 21:21:29] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 332 ms. Remains : 28/28 places, 52/52 transitions.
Support contains 26 out of 28 places after structural reductions.
[2023-03-10 21:21:30] [INFO ] Flatten gal took : 23 ms
[2023-03-10 21:21:30] [INFO ] Flatten gal took : 8 ms
[2023-03-10 21:21:30] [INFO ] Input system was already deterministic with 52 transitions.
Incomplete random walk after 10000 steps, including 229 resets, run finished after 505 ms. (steps per millisecond=19 ) properties (out of 89) seen :42
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 22 ms. (steps per millisecond=45 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 28 ms. (steps per millisecond=35 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 10 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 47) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 47) seen :0
Running SMT prover for 47 properties.
[2023-03-10 21:21:31] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
[2023-03-10 21:21:31] [INFO ] Invariant cache hit.
[2023-03-10 21:21:31] [INFO ] [Real]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-10 21:21:31] [INFO ] After 95ms SMT Verify possible using all constraints in real domain returned unsat :15 sat :0 real:32
[2023-03-10 21:21:31] [INFO ] [Nat]Absence check using 7 positive place invariants in 1 ms returned sat
[2023-03-10 21:21:31] [INFO ] After 21ms SMT Verify possible using state equation in natural domain returned unsat :44 sat :3
[2023-03-10 21:21:31] [INFO ] State equation strengthened by 6 read => feed constraints.
[2023-03-10 21:21:31] [INFO ] After 17ms SMT Verify possible using 6 Read/Feed constraints in natural domain returned unsat :44 sat :3
[2023-03-10 21:21:31] [INFO ] After 34ms SMT Verify possible using trap constraints in natural domain returned unsat :44 sat :3
Attempting to minimize the solution found.
Minimization took 19 ms.
[2023-03-10 21:21:31] [INFO ] After 148ms SMT Verify possible using all constraints in natural domain returned unsat :44 sat :3
Fused 47 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 3 ms.
Support contains 4 out of 28 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 28/28 places, 52/52 transitions.
Graph (complete) has 146 edges and 28 vertex of which 26 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 7 ms. Remains 26 /28 variables (removed 2) and now considering 52/52 (removed 0) transitions.
[2023-03-10 21:21:31] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 26 cols
[2023-03-10 21:21:31] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:21:31] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 50 ms. Remains : 26/28 places, 52/52 transitions.
Incomplete random walk after 10000 steps, including 230 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 90 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 95 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10000 steps, including 102 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 3) seen :0
Probably explored full state space saw : 2874 states, properties seen :0
Probabilistic random walk after 10034 steps, saw 2874 distinct states, run finished after 48 ms. (steps per millisecond=209 ) properties seen :0
Explored full state space saw : 2874 states, properties seen :0
Exhaustive walk after 10034 steps, saw 2874 distinct states, run finished after 34 ms. (steps per millisecond=295 ) properties seen :0
Successfully simplified 47 atomic propositions for a total of 15 simplifications.
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-10 21:21:31] [INFO ] Initial state reduction rules for CTL removed 5 formulas.
[2023-03-10 21:21:31] [INFO ] Flatten gal took : 6 ms
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2023-03-10 21:21:31] [INFO ] Flatten gal took : 5 ms
[2023-03-10 21:21:31] [INFO ] Input system was already deterministic with 52 transitions.
Support contains 20 out of 28 places (down from 23) after GAL structural reductions.
Computed a total of 19 stabilizing places and 20 stable transitions
Graph (complete) has 214 edges and 28 vertex of which 26 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 27 transition count 52
Applied a total of 1 rules in 1 ms. Remains 27 /28 variables (removed 1) and now considering 52/52 (removed 0) transitions.
[2023-03-10 21:21:31] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 27 cols
[2023-03-10 21:21:31] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-10 21:21:32] [INFO ] Dead Transitions using invariants and state equation in 50 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 51 ms. Remains : 27/28 places, 52/52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Input system was already deterministic with 52 transitions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 52
Applied a total of 2 rules in 1 ms. Remains 26 /28 variables (removed 2) and now considering 52/52 (removed 0) transitions.
[2023-03-10 21:21:32] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 26 cols
[2023-03-10 21:21:32] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-10 21:21:32] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35 ms. Remains : 26/28 places, 52/52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Input system was already deterministic with 52 transitions.
Starting structural reductions in SI_CTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Graph (complete) has 214 edges and 28 vertex of which 26 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.0 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 3 place count 25 transition count 51
Applied a total of 3 rules in 5 ms. Remains 25 /28 variables (removed 3) and now considering 51/52 (removed 1) transitions.
[2023-03-10 21:21:32] [INFO ] Flow matrix only has 33 transitions (discarded 18 similar events)
// Phase 1: matrix 33 rows 25 cols
[2023-03-10 21:21:32] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:21:32] [INFO ] Dead Transitions using invariants and state equation in 41 ms found 0 transitions.
Finished structural reductions in SI_CTL mode , in 1 iterations and 48 ms. Remains : 25/28 places, 51/52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 2 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Input system was already deterministic with 51 transitions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 52
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 25 transition count 51
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 25 transition count 51
Applied a total of 4 rules in 2 ms. Remains 25 /28 variables (removed 3) and now considering 51/52 (removed 1) transitions.
[2023-03-10 21:21:32] [INFO ] Flow matrix only has 33 transitions (discarded 18 similar events)
// Phase 1: matrix 33 rows 25 cols
[2023-03-10 21:21:32] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-10 21:21:32] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 35 ms. Remains : 25/28 places, 51/52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 2 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Input system was already deterministic with 51 transitions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 52
Applied a total of 2 rules in 0 ms. Remains 26 /28 variables (removed 2) and now considering 52/52 (removed 0) transitions.
[2023-03-10 21:21:32] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 26 cols
[2023-03-10 21:21:32] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-10 21:21:32] [INFO ] Dead Transitions using invariants and state equation in 39 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40 ms. Remains : 26/28 places, 52/52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 9 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 4 ms
[2023-03-10 21:21:32] [INFO ] Input system was already deterministic with 52 transitions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 26 transition count 52
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 25 transition count 51
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 25 transition count 51
Applied a total of 4 rules in 2 ms. Remains 25 /28 variables (removed 3) and now considering 51/52 (removed 1) transitions.
[2023-03-10 21:21:32] [INFO ] Flow matrix only has 33 transitions (discarded 18 similar events)
// Phase 1: matrix 33 rows 25 cols
[2023-03-10 21:21:32] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-10 21:21:32] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 40 ms. Remains : 25/28 places, 51/52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Input system was already deterministic with 51 transitions.
Starting structural reductions in LTL mode, iteration 0 : 28/28 places, 52/52 transitions.
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 27 transition count 52
Applied a total of 1 rules in 0 ms. Remains 27 /28 variables (removed 1) and now considering 52/52 (removed 0) transitions.
[2023-03-10 21:21:32] [INFO ] Flow matrix only has 34 transitions (discarded 18 similar events)
// Phase 1: matrix 34 rows 27 cols
[2023-03-10 21:21:32] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-10 21:21:32] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37 ms. Remains : 27/28 places, 52/52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Input system was already deterministic with 52 transitions.
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Flatten gal took : 3 ms
[2023-03-10 21:21:32] [INFO ] Export to MCC of 7 properties in file /home/mcc/execution/CTLCardinality.sr.xml took 1 ms.
[2023-03-10 21:21:32] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 28 places, 52 transitions and 326 arcs took 1 ms.
Total runtime 2949 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BridgeAndVehicles-PT-V04P05N02
BK_EXAMINATION: CTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/374

FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-00 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-09 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-02 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-10 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-08 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-15 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

FORMULA BridgeAndVehicles-PT-V04P05N02-CTLCardinality-14 FALSE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1678483292620

--------------------
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 CTLCardinality -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/CTLCardinality.xml
lola: rewrite Frontend/Parser/formula_rewrite.k:397
lola: rewrite Frontend/Parser/formula_rewrite.k:96
lola: rewrite Frontend/Parser/formula_rewrite.k:138
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: rewrite Frontend/Parser/formula_rewrite.k:250
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:284
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:331
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:331
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:287
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:317
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: RELEASE
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: rewrite Frontend/Parser/formula_rewrite.k:196
lola: rewrite Frontend/Parser/formula_rewrite.k:147
lola: rewrite Frontend/Parser/formula_rewrite.k:544
lola: rewrite Frontend/Parser/formula_rewrite.k:388
lola: rewrite Frontend/Parser/formula_rewrite.k:544
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:334
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:331
lola: rewrite Frontend/Parser/formula_rewrite.k:325
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:314
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:328
lola: rewrite Frontend/Parser/formula_rewrite.k:322
lola: rewrite Frontend/Parser/formula_rewrite.k:337
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:296
lola: rewrite Frontend/Parser/formula_rewrite.k:98
lola: rewrite Frontend/Parser/formula_rewrite.k:129
lola: RELEASE
lola: RELEASE
lola: RELEASE
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: Created skeleton in 0.000000 secs.
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:807
lola: rewrite Frontend/Parser/formula_rewrite.k:807
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: LAUNCH task # 1 (type EXCL) for 0 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-00
lola: time limit : 514 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:811
lola: rewrite Frontend/Parser/formula_rewrite.k:813
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:813
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:807
lola: rewrite Frontend/Parser/formula_rewrite.k:813
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:812
lola: rewrite Frontend/Parser/formula_rewrite.k:807
lola: rewrite Frontend/Parser/formula_rewrite.k:807
lola: rewrite Frontend/Parser/formula_rewrite.k:810
lola: FINISHED task # 1 (type EXCL) for BridgeAndVehicles-PT-V04P05N02-CTLCardinality-00
lola: result : false
lola: markings : 1613
lola: fired transitions : 3584
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 10 (type EXCL) for 9 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-09
lola: time limit : 600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 10 (type EXCL) for BridgeAndVehicles-PT-V04P05N02-CTLCardinality-09
lola: result : false
lola: markings : 46
lola: fired transitions : 46
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 4 (type EXCL) for 3 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-02
lola: time limit : 720 sec
lola: memory limit: 32 pages
lola: rewrite Frontend/Parser/formula_rewrite.k:815
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:807
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:810
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:815
lola: rewrite Frontend/Parser/formula_rewrite.k:806
lola: rewrite Frontend/Parser/formula_rewrite.k:809
lola: rewrite Frontend/Parser/formula_rewrite.k:809
lola: FINISHED task # 4 (type EXCL) for BridgeAndVehicles-PT-V04P05N02-CTLCardinality-02
lola: result : false
lola: markings : 2455
lola: fired transitions : 9314
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 13 (type EXCL) for 12 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-10
lola: time limit : 900 sec
lola: memory limit: 32 pages
lola: FINISHED task # 13 (type EXCL) for BridgeAndVehicles-PT-V04P05N02-CTLCardinality-10
lola: result : true
lola: markings : 50
lola: fired transitions : 215
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 7 (type EXCL) for 6 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-08
lola: time limit : 1200 sec
lola: memory limit: 32 pages
lola: FINISHED task # 7 (type EXCL) for BridgeAndVehicles-PT-V04P05N02-CTLCardinality-08
lola: result : true
lola: markings : 43
lola: fired transitions : 42
lola: time used : 0.000000
lola: memory pages used : 1
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:811
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: rewrite Frontend/Parser/formula_rewrite.k:808
lola: LAUNCH task # 19 (type EXCL) for 18 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-15
lola: time limit : 1800 sec
lola: memory limit: 32 pages
lola: FINISHED task # 19 (type EXCL) for BridgeAndVehicles-PT-V04P05N02-CTLCardinality-15
lola: result : false
lola: markings : 265
lola: fired transitions : 627
lola: time used : 0.000000
lola: memory pages used : 1
lola: LAUNCH task # 16 (type EXCL) for 15 BridgeAndVehicles-PT-V04P05N02-CTLCardinality-14
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 16 (type EXCL) for BridgeAndVehicles-PT-V04P05N02-CTLCardinality-14
lola: result : false
lola: markings : 131
lola: fired transitions : 178
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
BridgeAndVehicles-PT-V04P05N02-CTLCardinality-00: CTL false CTL model checker
BridgeAndVehicles-PT-V04P05N02-CTLCardinality-02: CTL false CTL model checker
BridgeAndVehicles-PT-V04P05N02-CTLCardinality-08: EG true state space / EG
BridgeAndVehicles-PT-V04P05N02-CTLCardinality-09: CTL false CTL model checker
BridgeAndVehicles-PT-V04P05N02-CTLCardinality-10: CTL true CTL model checker
BridgeAndVehicles-PT-V04P05N02-CTLCardinality-14: CTL false CTL model checker
BridgeAndVehicles-PT-V04P05N02-CTLCardinality-15: CTL false CTL 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="BridgeAndVehicles-PT-V04P05N02"
export BK_EXAMINATION="CTLCardinality"
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 BridgeAndVehicles-PT-V04P05N02, examination is CTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r039-tajo-167813692100161"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-PT-V04P05N02.tgz
mv BridgeAndVehicles-PT-V04P05N02 execution
cd execution
if [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "UpperBounds" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] || [ "CTLCardinality" = "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 [ "CTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "CTLCardinality" != "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 "CTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property CTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "CTLCardinality.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 '' CTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "CTLCardinality" = "ReachabilityDeadlock" ] || [ "CTLCardinality" = "QuasiLiveness" ] || [ "CTLCardinality" = "StableMarking" ] || [ "CTLCardinality" = "Liveness" ] || [ "CTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME CTLCardinality"
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 ;