fond
Model Checking Contest 2024
14th edition, Geneva, Switzerland, June 25, 2024
Execution of r472-tajo-171620398900139
Last Updated
July 7, 2024

About the Execution of LTSMin+red for BridgeAndVehicles-COL-V80P50N10

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
16182.955 162653.00 232273.00 474.90 T??FF?T????FF??? normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2024-input.r472-tajo-171620398900139.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2024-input.qcow2' backing_fmt='qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is BridgeAndVehicles-COL-V80P50N10, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r472-tajo-171620398900139
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 504K
-rw-r--r-- 1 mcc users 6.8K Apr 13 01:03 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Apr 13 01:03 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.3K Apr 13 00:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 47K Apr 13 00:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 18 16:42 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K May 18 16:42 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.4K Apr 22 14:30 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K Apr 22 14:30 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.8K Apr 22 14:30 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K Apr 22 14:30 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Apr 13 01:40 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Apr 13 01:40 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 13K Apr 13 01:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 94K Apr 13 01:34 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Apr 22 14:30 UpperBounds.txt
-rw-r--r-- 1 mcc users 4.0K Apr 22 14:30 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 May 18 16:42 equiv_pt
-rw-r--r-- 1 mcc users 10 May 18 16:42 instance
-rw-r--r-- 1 mcc users 5 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 45K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-00
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-01
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-02
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-03
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-04
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-05
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-06
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-07
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-08
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-09
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-10
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-11
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-12
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-13
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-14
FORMULA_NAME BridgeAndVehicles-COL-V80P50N10-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1717219316985

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BridgeAndVehicles-COL-V80P50N10
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 05:21:58] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2024-06-01 05:21:58] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 05:21:58] [INFO ] Detected file is not PT type :http://www.pnml.org/version-2009/grammar/symmetricnet
log4j:WARN No appenders could be found for logger (org.apache.axiom.locator.DefaultOMMetaFactoryLocator).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
[2024-06-01 05:21:58] [WARNING] Using fallBack plugin, rng conformance not checked
[2024-06-01 05:21:59] [INFO ] Load time of PNML (colored model parsed with PNMLFW) : 576 ms
[2024-06-01 05:21:59] [INFO ] Imported 15 HL places and 11 HL transitions for a total of 188 PT places and 289218.0 transition bindings in 20 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
[2024-06-01 05:21:59] [INFO ] Built PT skeleton of HLPN with 15 places and 11 transitions 56 arcs in 5 ms.
[2024-06-01 05:21:59] [INFO ] Skeletonized 16 HLPN properties in 1 ms.
Initial state reduction rules removed 5 formulas.
FORMULA BridgeAndVehicles-COL-V80P50N10-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-LTLCardinality-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BridgeAndVehicles-COL-V80P50N10-LTLCardinality-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 12 stabilizing places and 6 stable transitions
Graph (complete) has 51 edges and 15 vertex of which 13 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.5 ms
Remains 11 properties that can be checked using skeleton over-approximation.
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce redundant transitions removed 1 transitions.
Computed a total of 9 stabilizing places and 6 stable transitions
Graph (complete) has 22 edges and 12 vertex of which 10 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
RANDOM walk for 40000 steps (8 resets) in 1975 ms. (20 steps per ms) remains 6/20 properties
BEST_FIRST walk for 40003 steps (8 resets) in 193 ms. (206 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 94 ms. (421 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (8 resets) in 103 ms. (384 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (8 resets) in 95 ms. (416 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 85 ms. (465 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40001 steps (8 resets) in 106 ms. (373 steps per ms) remains 6/6 properties
// Phase 1: matrix 10 rows 12 cols
[2024-06-01 05:22:00] [INFO ] Computed 4 invariants in 3 ms
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
Problem AtomicPropp3 is UNSAT
Problem AtomicPropp5 is UNSAT
At refinement iteration 1 (OVERLAPS) 5/9 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/12 variables, 1/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 0/16 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 0/22 variables, 0/16 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 22/22 variables, and 16 constraints, problems are : Problem set: 2 solved, 4 unsolved in 202 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 2 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 6/9 variables, 3/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/9 variables, 0/3 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/12 variables, 1/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 10/22 variables, 12/16 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/22 variables, 4/20 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/22 variables, 0/20 constraints. Problems are: Problem set: 2 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 0/22 variables, 0/20 constraints. Problems are: Problem set: 2 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 22/22 variables, and 20 constraints, problems are : Problem set: 2 solved, 4 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 4/4 constraints, State Equation: 12/12 constraints, PredecessorRefiner: 4/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 332ms problems are : Problem set: 2 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 179 steps, including 0 resets, run visited all 4 properties in 6 ms. (steps per millisecond=29 )
Finished Parikh walk after 0 steps, including 0 resets, run visited all 0 properties in 1 ms. (steps per millisecond=0 )
Parikh walk visited 4 properties in 12 ms.
Successfully simplified 2 atomic propositions for a total of 11 simplifications.
FORMULA BridgeAndVehicles-COL-V80P50N10-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-06-01 05:22:00] [INFO ] Flatten gal took : 13 ms
[2024-06-01 05:22:00] [INFO ] Flatten gal took : 3 ms
Arc [1:1*[(MOD (ADD $cA 1) 81)]] contains successor/predecessor on variables of sort voitureA
Arc [6:1*[(MOD (ADD (MOD (MINUS $cB 1) 81) 81) 81)]] contains successor/predecessor on variables of sort voitureB
Arc [13:1*[(MOD (ADD $cpt 1) 11)]] contains successor/predecessor on variables of sort compteur
Arc [14:1*[(MOD (ADD $s 1) 2)]] contains successor/predecessor on variables of sort sens
[2024-06-01 05:22:00] [INFO ] Unfolded HLPN to a Petri net with 188 places and 2108 transitions 15950 arcs in 108 ms.
[2024-06-01 05:22:00] [INFO ] Unfolded 10 HLPN properties in 0 ms.
Support contains 13 out of 188 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 188/188 places, 2108/2108 transitions.
Applied a total of 0 rules in 60 ms. Remains 188 /188 variables (removed 0) and now considering 2108/2108 (removed 0) transitions.
Running 2105 sub problems to find dead transitions.
[2024-06-01 05:22:00] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
// Phase 1: matrix 370 rows 188 cols
[2024-06-01 05:22:00] [INFO ] Computed 7 invariants in 32 ms
[2024-06-01 05:22:00] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/186 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
[2024-06-01 05:22:29] [INFO ] Deduced a trap composed of 5 places in 454 ms of which 12 ms to minimize.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 186/558 variables, and 6 constraints, problems are : Problem set: 0 solved, 2105 unsolved in 20072 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, State Equation: 0/188 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 2105/2105 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2105 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/186 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/186 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 186/558 variables, and 6 constraints, problems are : Problem set: 0 solved, 2105 unsolved in 20030 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, State Equation: 0/188 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 0/2105 constraints, Known Traps: 1/1 constraints]
After SMT, in 56054ms problems are : Problem set: 0 solved, 2105 unsolved
Search for dead transitions found 0 dead transitions in 56094ms
[2024-06-01 05:22:56] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:22:56] [INFO ] Invariant cache hit.
[2024-06-01 05:22:57] [INFO ] Implicit Places using invariants in 271 ms returned []
[2024-06-01 05:22:57] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:22:57] [INFO ] Invariant cache hit.
[2024-06-01 05:22:57] [INFO ] State equation strengthened by 22 read => feed constraints.
[2024-06-01 05:22:59] [INFO ] Implicit Places using invariants and state equation in 2208 ms returned []
Implicit Place search using SMT with State Equation took 2492 ms to find 0 implicit places.
Running 2105 sub problems to find dead transitions.
[2024-06-01 05:22:59] [INFO ] Flow matrix only has 370 transitions (discarded 1738 similar events)
[2024-06-01 05:22:59] [INFO ] Invariant cache hit.
[2024-06-01 05:22:59] [INFO ] State equation strengthened by 22 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/186 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 2105 unsolved
[2024-06-01 05:23:23] [INFO ] Deduced a trap composed of 5 places in 260 ms of which 2 ms to minimize.
[2024-06-01 05:23:38] [INFO ] Deduced a trap composed of 15 places in 202 ms of which 2 ms to minimize.
Problem TDEAD1148 is UNSAT
Problem TDEAD1149 is UNSAT
Problem TDEAD1150 is UNSAT
Problem TDEAD1151 is UNSAT
Problem TDEAD1152 is UNSAT
Problem TDEAD1153 is UNSAT
Problem TDEAD1154 is UNSAT
Problem TDEAD1155 is UNSAT
Problem TDEAD1156 is UNSAT
Problem TDEAD1157 is UNSAT
Problem TDEAD1158 is UNSAT
Problem TDEAD1159 is UNSAT
Problem TDEAD1160 is UNSAT
Problem TDEAD1161 is UNSAT
Problem TDEAD1162 is UNSAT
Problem TDEAD1163 is UNSAT
Problem TDEAD1164 is UNSAT
Problem TDEAD1165 is UNSAT
Problem TDEAD1166 is UNSAT
Problem TDEAD1167 is UNSAT
Problem TDEAD1168 is UNSAT
Problem TDEAD1169 is UNSAT
Problem TDEAD1170 is UNSAT
Problem TDEAD1171 is UNSAT
Problem TDEAD1172 is UNSAT
Problem TDEAD1173 is UNSAT
Problem TDEAD1174 is UNSAT
Problem TDEAD1175 is UNSAT
Problem TDEAD1176 is UNSAT
Problem TDEAD1177 is UNSAT
Problem TDEAD1178 is UNSAT
Problem TDEAD1179 is UNSAT
Problem TDEAD1180 is UNSAT
Problem TDEAD1181 is UNSAT
Problem TDEAD1182 is UNSAT
Problem TDEAD1183 is UNSAT
Problem TDEAD1184 is UNSAT
Problem TDEAD1185 is UNSAT
Problem TDEAD1186 is UNSAT
Problem TDEAD1187 is UNSAT
Problem TDEAD1188 is UNSAT
Problem TDEAD1189 is UNSAT
Problem TDEAD1190 is UNSAT
Problem TDEAD1191 is UNSAT
Problem TDEAD1192 is UNSAT
Problem TDEAD1193 is UNSAT
Problem TDEAD1194 is UNSAT
Problem TDEAD1195 is UNSAT
Problem TDEAD1196 is UNSAT
Problem TDEAD1197 is UNSAT
Problem TDEAD1198 is UNSAT
Problem TDEAD1199 is UNSAT
Problem TDEAD1200 is UNSAT
Problem TDEAD1201 is UNSAT
Problem TDEAD1202 is UNSAT
Problem TDEAD1203 is UNSAT
Problem TDEAD1204 is UNSAT
Problem TDEAD1205 is UNSAT
Problem TDEAD1206 is UNSAT
Problem TDEAD1207 is UNSAT
Problem TDEAD1208 is UNSAT
Problem TDEAD1209 is UNSAT
Problem TDEAD1210 is UNSAT
Problem TDEAD1211 is UNSAT
Problem TDEAD1212 is UNSAT
Problem TDEAD1213 is UNSAT
Problem TDEAD1214 is UNSAT
Problem TDEAD1215 is UNSAT
Problem TDEAD1216 is UNSAT
Problem TDEAD1217 is UNSAT
Problem TDEAD1218 is UNSAT
Problem TDEAD1219 is UNSAT
Problem TDEAD1220 is UNSAT
Problem TDEAD1221 is UNSAT
Problem TDEAD1222 is UNSAT
Problem TDEAD1223 is UNSAT
Problem TDEAD1224 is UNSAT
Problem TDEAD1225 is UNSAT
Problem TDEAD1226 is UNSAT
Problem TDEAD1227 is UNSAT
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 186/558 variables, and 7 constraints, problems are : Problem set: 80 solved, 2025 unsolved in 30048 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, State Equation: 0/188 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 2105/2105 constraints, Known Traps: 2/2 constraints]
Escalating to Integer solving :Problem set: 80 solved, 2025 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/186 variables, 5/5 constraints. Problems are: Problem set: 80 solved, 2025 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/186 variables, 2/7 constraints. Problems are: Problem set: 80 solved, 2025 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 186/558 variables, and 7 constraints, problems are : Problem set: 80 solved, 2025 unsolved in 30032 ms.
Refiners :[Positive P Invariants (semi-flows): 5/7 constraints, State Equation: 0/188 constraints, ReadFeed: 0/22 constraints, PredecessorRefiner: 0/2105 constraints, Known Traps: 2/2 constraints]
After SMT, in 75446ms problems are : Problem set: 80 solved, 2025 unsolved
Search for dead transitions found 80 dead transitions in 75490ms
Found 80 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 80 transitions
Dead transitions reduction (with SMT) removed 80 transitions
Starting structural reductions in LTL mode, iteration 1 : 188/188 places, 2028/2108 transitions.
Applied a total of 0 rules in 23 ms. Remains 188 /188 variables (removed 0) and now considering 2028/2028 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 134202 ms. Remains : 188/188 places, 2028/2108 transitions.
Support contains 13 out of 188 places after structural reductions.
[2024-06-01 05:24:15] [INFO ] Flatten gal took : 142 ms
[2024-06-01 05:24:15] [INFO ] Flatten gal took : 135 ms
[2024-06-01 05:24:15] [INFO ] Input system was already deterministic with 2028 transitions.
RANDOM walk for 40000 steps (56 resets) in 2130 ms. (18 steps per ms) remains 4/17 properties
BEST_FIRST walk for 40001 steps (20 resets) in 217 ms. (183 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40008 steps (20 resets) in 180 ms. (221 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40010 steps (20 resets) in 260 ms. (153 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40009 steps (20 resets) in 212 ms. (187 steps per ms) remains 4/4 properties
[2024-06-01 05:24:16] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
// Phase 1: matrix 369 rows 188 cols
[2024-06-01 05:24:16] [INFO ] Computed 7 invariants in 10 ms
[2024-06-01 05:24:16] [INFO ] State equation strengthened by 21 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 369/384 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/384 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/384 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 173/557 variables, 173/213 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/557 variables, 3/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/557 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 0/557 variables, 0/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 557/557 variables, and 216 constraints, problems are : Problem set: 0 solved, 4 unsolved in 521 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 188/188 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 8/12 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/12 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 3/15 variables, 1/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (OVERLAPS) 369/384 variables, 15/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/384 variables, 21/40 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/384 variables, 0/40 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 173/557 variables, 173/213 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/557 variables, 3/216 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/557 variables, 4/220 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/557 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (OVERLAPS) 0/557 variables, 0/220 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 557/557 variables, and 220 constraints, problems are : Problem set: 0 solved, 4 unsolved in 2448 ms.
Refiners :[Positive P Invariants (semi-flows): 7/7 constraints, State Equation: 188/188 constraints, ReadFeed: 21/21 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 3041ms problems are : Problem set: 0 solved, 4 unsolved
Parikh walk visited 0 properties in 2459 ms.
Support contains 4 out of 188 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 188/188 places, 2028/2028 transitions.
Graph (complete) has 1881 edges and 188 vertex of which 186 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.7 ms
Discarding 2 places :
Also discarding 0 output transitions
Applied a total of 1 rules in 255 ms. Remains 186 /188 variables (removed 2) and now considering 2028/2028 (removed 0) transitions.
Running 2025 sub problems to find dead transitions.
[2024-06-01 05:24:22] [INFO ] Flow matrix only has 369 transitions (discarded 1659 similar events)
// Phase 1: matrix 369 rows 186 cols
[2024-06-01 05:24:22] [INFO ] Computed 5 invariants in 13 ms
[2024-06-01 05:24:22] [INFO ] State equation strengthened by 21 read => feed constraints.
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-00
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-01
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-02
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-03
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-04
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-05
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-06
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-07
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-08
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-09
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-10
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-11
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-12
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-13
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-14
Could not compute solution for formula : BridgeAndVehicles-COL-V80P50N10-LTLCardinality-15

BK_STOP 1717219479638

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLCardinality -timeout 360 -rebuildPNML
mcc2024
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-00
ltl formula formula --ltl=/tmp/571/ltl_0_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 2/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 3/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-01
ltl formula formula --ltl=/tmp/571/ltl_1_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 3/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-02
ltl formula formula --ltl=/tmp/571/ltl_2_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 2/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 3/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-03
ltl formula formula --ltl=/tmp/571/ltl_3_
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-04
ltl formula formula --ltl=/tmp/571/ltl_4_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-05
ltl formula formula --ltl=/tmp/571/ltl_5_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 3/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 2/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-06
ltl formula formula --ltl=/tmp/571/ltl_6_
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 2/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-07
ltl formula formula --ltl=/tmp/571/ltl_7_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-08
ltl formula formula --ltl=/tmp/571/ltl_8_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-09
ltl formula formula --ltl=/tmp/571/ltl_9_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-10
ltl formula formula --ltl=/tmp/571/ltl_10_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 2/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 3/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-11
ltl formula formula --ltl=/tmp/571/ltl_11_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 3/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-12
ltl formula formula --ltl=/tmp/571/ltl_12_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 3/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-13
ltl formula formula --ltl=/tmp/571/ltl_13_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 1/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-14
ltl formula formula --ltl=/tmp/571/ltl_14_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
pnml2lts-mc( 2/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported
ltl formula name BridgeAndVehicles-COL-V80P50N10-LTLCardinality-15
ltl formula formula --ltl=/tmp/571/ltl_15_
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4), ** error **: pnml type "http://www.pnml.org/version-2009/grammar/symmetricnet" is not supported

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-COL-V80P50N10"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is BridgeAndVehicles-COL-V80P50N10, 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 r472-tajo-171620398900139"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BridgeAndVehicles-COL-V80P50N10.tgz
mv BridgeAndVehicles-COL-V80P50N10 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 ;