About the Execution of ITS-Tools for Angiogenesis-PT-20
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 312.863 | 7823.00 | 14783.00 | 116.00 | FFFFFFFTFFFFFFFF | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2021-input.r007-tall-162037989900346.qcow2', fmt=qcow2 size=4294967296 backing_file='/data/fkordon/mcc2021-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 2-4028
Executing tool itstools
Input is Angiogenesis-PT-20, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r007-tall-162037989900346
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 388K
-rw-r--r-- 1 mcc users 17K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 112K May 5 16:58 CTLCardinality.xml
-rw-r--r-- 1 mcc users 8.2K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 79K May 5 16:58 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.5K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.7K Apr 26 07:40 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Apr 26 07:40 LTLCardinality.xml
-rw-r--r-- 1 mcc users 1.9K Apr 26 07:40 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Apr 26 07:40 LTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K Mar 23 01:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 16K Mar 23 01:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 22 10:14 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Mar 22 10:14 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Mar 22 09:09 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Mar 22 09:09 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:51 equiv_col
-rw-r--r-- 1 mcc users 3 May 5 16:51 instance
-rw-r--r-- 1 mcc users 6 May 5 16:51 iscolored
-rw-r--r-- 1 mcc users 33K May 5 16:51 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-20-00
FORMULA_NAME Angiogenesis-PT-20-01
FORMULA_NAME Angiogenesis-PT-20-02
FORMULA_NAME Angiogenesis-PT-20-03
FORMULA_NAME Angiogenesis-PT-20-04
FORMULA_NAME Angiogenesis-PT-20-05
FORMULA_NAME Angiogenesis-PT-20-06
FORMULA_NAME Angiogenesis-PT-20-07
FORMULA_NAME Angiogenesis-PT-20-08
FORMULA_NAME Angiogenesis-PT-20-09
FORMULA_NAME Angiogenesis-PT-20-10
FORMULA_NAME Angiogenesis-PT-20-11
FORMULA_NAME Angiogenesis-PT-20-12
FORMULA_NAME Angiogenesis-PT-20-13
FORMULA_NAME Angiogenesis-PT-20-14
FORMULA_NAME Angiogenesis-PT-20-15
=== Now, execution of the tool begins
BK_START 1620460890096
Running Version 0
[2021-05-08 08:01:31] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -spotpath, /home/mcc/BenchKit/bin//..//ltlfilt, -z3path, /home/mcc/BenchKit/bin//..//z3/bin/z3, -yices2path, /home/mcc/BenchKit/bin//..//yices/bin/yices, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2021-05-08 08:01:31] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-08 08:01:31] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2021-05-08 08:01:31] [INFO ] Transformed 39 places.
[2021-05-08 08:01:31] [INFO ] Transformed 64 transitions.
[2021-05-08 08:01:31] [INFO ] Parsed PT model containing 39 places and 64 transitions in 70 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 8 ms.
Working with output stream class java.io.PrintStream
[2021-05-08 08:01:31] [INFO ] Initial state test concluded for 5 properties.
FORMULA Angiogenesis-PT-20-07 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 23 out of 39 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 39/39 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 38 transition count 64
Applied a total of 1 rules in 17 ms. Remains 38 /39 variables (removed 1) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 38 cols
[2021-05-08 08:01:31] [INFO ] Computed 7 place invariants in 6 ms
[2021-05-08 08:01:31] [INFO ] Implicit Places using invariants in 86 ms returned [32]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 115 ms to find 1 implicit places.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:31] [INFO ] Computed 6 place invariants in 2 ms
[2021-05-08 08:01:32] [INFO ] Dead Transitions using invariants and state equation in 80 ms returned []
Starting structural reductions, iteration 1 : 37/39 places, 64/64 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:32] [INFO ] Computed 6 place invariants in 2 ms
[2021-05-08 08:01:32] [INFO ] Dead Transitions using invariants and state equation in 51 ms returned []
Finished structural reductions, in 2 iterations. Remains : 37/39 places, 64/64 transitions.
[2021-05-08 08:01:32] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2021-05-08 08:01:32] [INFO ] Flatten gal took : 26 ms
FORMULA Angiogenesis-PT-20-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-08 08:01:32] [INFO ] Flatten gal took : 11 ms
[2021-05-08 08:01:32] [INFO ] Input system was already deterministic with 64 transitions.
Incomplete random walk after 100000 steps, including 2 resets, run finished after 289 ms. (steps per millisecond=346 ) properties (out of 21) seen :18
Running SMT prover for 3 properties.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:32] [INFO ] Computed 6 place invariants in 1 ms
[2021-05-08 08:01:32] [INFO ] [Real]Absence check using 6 positive place invariants in 1 ms returned sat
[2021-05-08 08:01:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-08 08:01:32] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2021-05-08 08:01:32] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 5 ms.
[2021-05-08 08:01:32] [INFO ] Solution in real domain found non-integer solution.
[2021-05-08 08:01:32] [INFO ] [Nat]Absence check using 6 positive place invariants in 1 ms returned sat
[2021-05-08 08:01:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-08 08:01:32] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2021-05-08 08:01:32] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 12 ms.
[2021-05-08 08:01:32] [INFO ] Added : 56 causal constraints over 12 iterations in 92 ms. Result :sat
[2021-05-08 08:01:32] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2021-05-08 08:01:32] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-08 08:01:32] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2021-05-08 08:01:32] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 4 ms.
[2021-05-08 08:01:32] [INFO ] Solution in real domain found non-integer solution.
[2021-05-08 08:01:32] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2021-05-08 08:01:32] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-08 08:01:32] [INFO ] [Nat]Absence check using state equation in 15 ms returned sat
[2021-05-08 08:01:32] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 6 ms.
[2021-05-08 08:01:32] [INFO ] Added : 55 causal constraints over 11 iterations in 66 ms. Result :sat
[2021-05-08 08:01:33] [INFO ] [Real]Absence check using 6 positive place invariants in 2 ms returned sat
[2021-05-08 08:01:33] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2021-05-08 08:01:33] [INFO ] [Real]Absence check using state equation in 18 ms returned sat
[2021-05-08 08:01:33] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 10 ms.
[2021-05-08 08:01:33] [INFO ] Solution in real domain found non-integer solution.
[2021-05-08 08:01:33] [INFO ] [Nat]Absence check using 6 positive place invariants in 2 ms returned sat
[2021-05-08 08:01:33] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2021-05-08 08:01:33] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2021-05-08 08:01:33] [INFO ] Computed and/alt/rep : 59/142/59 causal constraints (skipped 2 transitions) in 6 ms.
[2021-05-08 08:01:33] [INFO ] Added : 55 causal constraints over 11 iterations in 61 ms. Result :sat
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(G(p0)))], workingDir=/home/mcc/execution]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 13 edges and 37 vertex of which 6 / 37 are part of one of the 3 SCC in 3 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 34 transition count 58
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 32 transition count 58
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 0 with 18 rules applied. Total rules applied 22 place count 23 transition count 49
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 26 place count 21 transition count 52
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 21 transition count 42
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 21 transition count 42
Applied a total of 37 rules in 25 ms. Remains 21 /37 variables (removed 16) and now considering 42/64 (removed 22) transitions.
[2021-05-08 08:01:33] [INFO ] Flow matrix only has 31 transitions (discarded 11 similar events)
// Phase 1: matrix 31 rows 21 cols
[2021-05-08 08:01:33] [INFO ] Computed 5 place invariants in 1 ms
[2021-05-08 08:01:33] [INFO ] Implicit Places using invariants in 20 ms returned [19]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 22 ms to find 1 implicit places.
[2021-05-08 08:01:33] [INFO ] Redundant transitions in 4 ms returned [21, 34]
Found 2 redundant transitions using SMT.
Drop transitions removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions :[34, 21]
[2021-05-08 08:01:33] [INFO ] Flow matrix only has 31 transitions (discarded 9 similar events)
// Phase 1: matrix 31 rows 20 cols
[2021-05-08 08:01:33] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:33] [INFO ] Dead Transitions using invariants and state equation in 30 ms returned []
Starting structural reductions, iteration 1 : 20/37 places, 40/64 transitions.
Graph (trivial) has 10 edges and 20 vertex of which 2 / 20 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 19 transition count 34
Applied a total of 6 rules in 3 ms. Remains 19 /20 variables (removed 1) and now considering 34/40 (removed 6) transitions.
[2021-05-08 08:01:33] [INFO ] Flow matrix only has 29 transitions (discarded 5 similar events)
// Phase 1: matrix 29 rows 19 cols
[2021-05-08 08:01:33] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:33] [INFO ] Implicit Places using invariants in 19 ms returned []
[2021-05-08 08:01:33] [INFO ] Flow matrix only has 29 transitions (discarded 5 similar events)
// Phase 1: matrix 29 rows 19 cols
[2021-05-08 08:01:33] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2021-05-08 08:01:33] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 45 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 19/37 places, 34/64 transitions.
Stuttering acceptance computed with spot in 121 ms :[(NOT p0)]
Running random walk in product with property : Angiogenesis-PT-20-00 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 0}]], initial=0, aps=[p0:(LT s13 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 1 ms.
FORMULA Angiogenesis-PT-20-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-00 finished in 297 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X((G(p0) U (p1||X(p2))))))], workingDir=/home/mcc/execution]
Support contains 5 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:33] [INFO ] Computed 6 place invariants in 0 ms
[2021-05-08 08:01:33] [INFO ] Implicit Places using invariants in 20 ms returned []
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:33] [INFO ] Computed 6 place invariants in 4 ms
[2021-05-08 08:01:33] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:33] [INFO ] Computed 6 place invariants in 2 ms
[2021-05-08 08:01:33] [INFO ] Dead Transitions using invariants and state equation in 30 ms returned []
Finished structural reductions, in 1 iterations. Remains : 37/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 200 ms :[(AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), true, (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-20-01 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 4}], [{ cond=(NOT p2), acceptance={} source=3 dest: 5}], [{ cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=4 dest: 4}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=4 dest: 5}, { cond=(AND p0 (NOT p2)), acceptance={0} source=4 dest: 6}], [{ cond=true, acceptance={0} source=5 dest: 5}], [{ cond=(NOT p0), acceptance={} source=6 dest: 5}, { cond=p0, acceptance={} source=6 dest: 6}]], initial=0, aps=[p1:(AND (GEQ s2 1) (GEQ s4 1)), p0:(AND (GEQ s31 1) (GEQ s33 1)), p2:(GEQ s11 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 27 steps with 6 reset in 1 ms.
FORMULA Angiogenesis-PT-20-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-01 finished in 305 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(G(p0)))], workingDir=/home/mcc/execution]
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:33] [INFO ] Computed 6 place invariants in 0 ms
[2021-05-08 08:01:33] [INFO ] Implicit Places using invariants in 19 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 20 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:33] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:33] [INFO ] Dead Transitions using invariants and state equation in 33 ms returned []
Starting structural reductions, iteration 1 : 35/37 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.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:33] [INFO ] Computed 4 place invariants in 6 ms
[2021-05-08 08:01:33] [INFO ] Dead Transitions using invariants and state equation in 61 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 59 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-20-02 automaton TGBA [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:(AND (GEQ s18 1) (GEQ s29 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-20-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-02 finished in 188 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(G(p0))))], workingDir=/home/mcc/execution]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:33] [INFO ] Computed 6 place invariants in 1 ms
[2021-05-08 08:01:33] [INFO ] Implicit Places using invariants in 22 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 23 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:33] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:34] [INFO ] Dead Transitions using invariants and state equation in 35 ms returned []
Starting structural reductions, iteration 1 : 35/37 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.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:34] [INFO ] Dead Transitions using invariants and state equation in 27 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-20-03 automaton TGBA [mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(LT s20 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 71 steps with 0 reset in 1 ms.
FORMULA Angiogenesis-PT-20-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-03 finished in 182 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X((G(p0)||G((p1||F(p2))))))], workingDir=/home/mcc/execution]
Support contains 4 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:34] [INFO ] Computed 6 place invariants in 0 ms
[2021-05-08 08:01:34] [INFO ] Implicit Places using invariants in 20 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 21 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:34] [INFO ] Dead Transitions using invariants and state equation in 30 ms returned []
Starting structural reductions, iteration 1 : 35/37 places, 64/64 transitions.
Applied a total of 0 rules in 6 ms. Remains 35 /35 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:34] [INFO ] Dead Transitions using invariants and state equation in 32 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 137 ms :[(AND (NOT p0) (NOT p1) (NOT p2)), (AND (NOT p0) (NOT p1) (NOT p2)), (NOT p2), (AND (NOT p2) (NOT p1)), (AND (NOT p2) (NOT p0) p1)]
Running random walk in product with property : Angiogenesis-PT-20-04 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(NOT p0), acceptance={} source=1 dest: 3}, { cond=(AND p0 (NOT p1) (NOT p2)), acceptance={} source=1 dest: 4}], [{ cond=(NOT p2), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p0) p1 (NOT p2)), acceptance={} source=4 dest: 2}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (GEQ s30 1) (GEQ s32 1)), p1:(LT s28 1), p2:(LT s20 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 1087 reset in 276 ms.
Stack based approach found an accepted trace after 65 steps with 0 reset with depth 66 and stack size 60 in 1 ms.
FORMULA Angiogenesis-PT-20-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-04 finished in 519 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((G(!p0)||F(p1)))], workingDir=/home/mcc/execution]
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 10 edges and 37 vertex of which 4 / 37 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.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 35 transition count 61
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 33 transition count 61
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 20 place count 25 transition count 53
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 24 place count 23 transition count 56
Drop transitions removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 0 with 8 rules applied. Total rules applied 32 place count 23 transition count 48
Partial Post-agglomeration rule applied 2 times.
Drop transitions removed 2 transitions
Iterating global reduction 0 with 2 rules applied. Total rules applied 34 place count 23 transition count 48
Applied a total of 34 rules in 9 ms. Remains 23 /37 variables (removed 14) and now considering 48/64 (removed 16) transitions.
[2021-05-08 08:01:34] [INFO ] Flow matrix only has 36 transitions (discarded 12 similar events)
// Phase 1: matrix 36 rows 23 cols
[2021-05-08 08:01:34] [INFO ] Computed 5 place invariants in 0 ms
[2021-05-08 08:01:34] [INFO ] Implicit Places using invariants in 16 ms returned [21]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 16 ms to find 1 implicit places.
[2021-05-08 08:01:34] [INFO ] Redundant transitions in 4 ms returned [27, 38]
Found 2 redundant transitions using SMT.
Drop transitions removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions :[38, 27]
[2021-05-08 08:01:34] [INFO ] Flow matrix only has 36 transitions (discarded 10 similar events)
// Phase 1: matrix 36 rows 22 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:34] [INFO ] Dead Transitions using invariants and state equation in 22 ms returned []
Starting structural reductions, iteration 1 : 22/37 places, 46/64 transitions.
Graph (trivial) has 9 edges and 22 vertex of which 2 / 22 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 21 transition count 40
Applied a total of 6 rules in 3 ms. Remains 21 /22 variables (removed 1) and now considering 40/46 (removed 6) transitions.
[2021-05-08 08:01:34] [INFO ] Flow matrix only has 34 transitions (discarded 6 similar events)
// Phase 1: matrix 34 rows 21 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:34] [INFO ] Implicit Places using invariants in 27 ms returned []
[2021-05-08 08:01:34] [INFO ] Flow matrix only has 34 transitions (discarded 6 similar events)
// Phase 1: matrix 34 rows 21 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2021-05-08 08:01:34] [INFO ] Implicit Places using invariants and state equation in 35 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 21/37 places, 40/64 transitions.
Stuttering acceptance computed with spot in 64 ms :[(NOT p1), (AND (NOT p1) p0)]
Running random walk in product with property : Angiogenesis-PT-20-05 automaton TGBA [mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 1}]], initial=1, aps=[p1:(GEQ s9 1), p0:(LT s13 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-20-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-05 finished in 197 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(G(p0)))], workingDir=/home/mcc/execution]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:34] [INFO ] Computed 6 place invariants in 1 ms
[2021-05-08 08:01:34] [INFO ] Implicit Places using invariants in 22 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 32 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 8 ms
[2021-05-08 08:01:34] [INFO ] Dead Transitions using invariants and state equation in 45 ms returned []
Starting structural reductions, iteration 1 : 35/37 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.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:34] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:34] [INFO ] Dead Transitions using invariants and state equation in 29 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 71 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : Angiogenesis-PT-20-06 automaton TGBA [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:(GEQ s21 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-20-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-06 finished in 188 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(p0))], workingDir=/home/mcc/execution]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 14 edges and 37 vertex of which 6 / 37 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.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 34 transition count 58
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 32 transition count 58
Performed 10 Post agglomeration using F-continuation condition.Transition count delta: 10
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 0 with 20 rules applied. Total rules applied 24 place count 22 transition count 48
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 28 place count 20 transition count 48
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 34 place count 20 transition count 42
Applied a total of 34 rules in 6 ms. Remains 20 /37 variables (removed 17) and now considering 42/64 (removed 22) transitions.
[2021-05-08 08:01:35] [INFO ] Flow matrix only has 30 transitions (discarded 12 similar events)
// Phase 1: matrix 30 rows 20 cols
[2021-05-08 08:01:35] [INFO ] Computed 5 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Implicit Places using invariants in 15 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 16 ms to find 1 implicit places.
[2021-05-08 08:01:35] [INFO ] Redundant transitions in 4 ms returned [21, 36]
Found 2 redundant transitions using SMT.
Drop transitions removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions :[36, 21]
[2021-05-08 08:01:35] [INFO ] Flow matrix only has 30 transitions (discarded 10 similar events)
// Phase 1: matrix 30 rows 19 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Dead Transitions using invariants and state equation in 26 ms returned []
Starting structural reductions, iteration 1 : 19/37 places, 40/64 transitions.
Graph (trivial) has 11 edges and 19 vertex of which 2 / 19 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 18 transition count 34
Applied a total of 6 rules in 2 ms. Remains 18 /19 variables (removed 1) and now considering 34/40 (removed 6) transitions.
[2021-05-08 08:01:35] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
// Phase 1: matrix 28 rows 18 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Implicit Places using invariants in 12 ms returned []
[2021-05-08 08:01:35] [INFO ] Flow matrix only has 28 transitions (discarded 6 similar events)
// Phase 1: matrix 28 rows 18 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] State equation strengthened by 2 read => feed constraints.
[2021-05-08 08:01:35] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 32 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 18/37 places, 34/64 transitions.
Stuttering acceptance computed with spot in 25 ms :[(NOT p0)]
Running random walk in product with property : Angiogenesis-PT-20-08 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GEQ s5 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-20-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-08 finished in 131 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((X(p0) U (!p1 U p2)))], workingDir=/home/mcc/execution]
Support contains 4 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:35] [INFO ] Computed 6 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Implicit Places using invariants in 15 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 16 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:35] [INFO ] Dead Transitions using invariants and state equation in 27 ms returned []
Starting structural reductions, iteration 1 : 35/37 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.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Dead Transitions using invariants and state equation in 30 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 126 ms :[(OR (NOT p2) (NOT p0)), (NOT p2), (NOT p2), (NOT p2), true]
Running random walk in product with property : Angiogenesis-PT-20-09 automaton TGBA [mat=[[{ cond=(AND (NOT p2) p1 p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p2) (NOT p1) p0), acceptance={0} source=0 dest: 2}, { cond=(NOT p0), acceptance={0} source=0 dest: 4}], [{ cond=(AND (NOT p2) p1), acceptance={} source=1 dest: 0}, { cond=(AND (NOT p2) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p2) p1 p0), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p2) (NOT p1) p0), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p2) (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 3}, { cond=(AND (NOT p2) p1 (NOT p0)), acceptance={0} source=2 dest: 4}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 3}, { cond=(AND (NOT p2) p1), acceptance={0} source=3 dest: 4}], [{ cond=true, acceptance={0} source=4 dest: 4}]], initial=1, aps=[p2:(AND (GEQ s7 1) (GEQ s9 1) (GEQ s1 1)), p1:(GEQ s10 1), p0:(AND (GEQ s10 1) (GEQ s7 1) (GEQ s9 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 5 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-20-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-09 finished in 213 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G(F((!p0 U (G(!p0)||(!p0&&G(p1)&&(p2||X(!p3))))))))], workingDir=/home/mcc/execution]
Support contains 5 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:35] [INFO ] Computed 6 place invariants in 1 ms
[2021-05-08 08:01:35] [INFO ] Implicit Places using invariants in 18 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 18 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Dead Transitions using invariants and state equation in 26 ms returned []
Starting structural reductions, iteration 1 : 35/37 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.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Dead Transitions using invariants and state equation in 29 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 138 ms :[p0, p0, (AND p0 (NOT p1)), (AND p0 p3)]
Running random walk in product with property : Angiogenesis-PT-20-10 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(OR (NOT p1) p0), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=p0, acceptance={0, 1} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND p1 (NOT p2) (NOT p0)), acceptance={0} source=1 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={0, 1} source=2 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 2}, { cond=(AND p1 p0), acceptance={1} source=2 dest: 2}], [{ cond=(AND (NOT p1) (NOT p0) p3), acceptance={0} source=3 dest: 1}, { cond=(AND p0 p3), acceptance={0, 1} source=3 dest: 1}, { cond=(AND p1 (NOT p0) p3), acceptance={} source=3 dest: 2}, { cond=(AND p1 (NOT p2) (NOT p0) p3), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(OR (LT s12 1) (LT s30 1)), p0:(GEQ s21 1), p2:(AND (GEQ s4 1) (GEQ s30 1)), p3:(GEQ s10 1)], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 1594 reset in 261 ms.
Stack based approach found an accepted trace after 351 steps with 5 reset with depth 112 and stack size 100 in 2 ms.
FORMULA Angiogenesis-PT-20-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-10 finished in 491 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(((p0||G(p1)) U X(p2)))], workingDir=/home/mcc/execution]
Support contains 5 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 1 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:35] [INFO ] Computed 6 place invariants in 1 ms
[2021-05-08 08:01:35] [INFO ] Implicit Places using invariants in 15 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 16 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:35] [INFO ] Dead Transitions using invariants and state equation in 37 ms returned []
Starting structural reductions, iteration 1 : 35/37 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.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:35] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:35] [INFO ] Dead Transitions using invariants and state equation in 34 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 135 ms :[(NOT p2), (NOT p2), (NOT p2), (AND (NOT p1) (NOT p2)), true, (NOT p1)]
Running random walk in product with property : Angiogenesis-PT-20-12 automaton TGBA [mat=[[{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(OR p0 p1), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=0 dest: 3}], [{ cond=(NOT p2), acceptance={} source=1 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 1}, { cond=(OR (AND p0 (NOT p2)) (AND p1 (NOT p2))), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) p1 (NOT p2)), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=3 dest: 4}, { cond=(AND p1 (NOT p2)), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(NOT p1), acceptance={} source=5 dest: 4}, { cond=p1, acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(GEQ s3 1), p1:(AND (OR (LT s9 1) (LT s31 1)) (LT s7 1)), p2:(OR (GEQ s3 1) (AND (GEQ s7 1) (GEQ s8 1) (GEQ s9 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-20-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-12 finished in 239 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(G(p0)))], workingDir=/home/mcc/execution]
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 13 edges and 37 vertex of which 6 / 37 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 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 27 transition count 52
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -3
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 19 place count 25 transition count 55
Drop transitions removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 0 with 6 rules applied. Total rules applied 25 place count 25 transition count 49
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 25 transition count 49
Applied a total of 28 rules in 6 ms. Remains 25 /37 variables (removed 12) and now considering 49/64 (removed 15) transitions.
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 38 transitions (discarded 11 similar events)
// Phase 1: matrix 38 rows 25 cols
[2021-05-08 08:01:36] [INFO ] Computed 6 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] Implicit Places using invariants in 17 ms returned [23]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 18 ms to find 1 implicit places.
[2021-05-08 08:01:36] [INFO ] Redundant transitions in 4 ms returned [24, 35]
Found 2 redundant transitions using SMT.
Drop transitions removed 2 transitions
Redundant transitions reduction (with SMT) removed 2 transitions :[35, 24]
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 38 transitions (discarded 9 similar events)
// Phase 1: matrix 38 rows 24 cols
[2021-05-08 08:01:36] [INFO ] Computed 5 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] Dead Transitions using invariants and state equation in 22 ms returned []
Starting structural reductions, iteration 1 : 24/37 places, 47/64 transitions.
Graph (trivial) has 8 edges and 24 vertex of which 2 / 24 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 23 transition count 41
Applied a total of 6 rules in 2 ms. Remains 23 /24 variables (removed 1) and now considering 41/47 (removed 6) transitions.
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 36 transitions (discarded 5 similar events)
// Phase 1: matrix 36 rows 23 cols
[2021-05-08 08:01:36] [INFO ] Computed 5 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] Implicit Places using invariants in 30 ms returned []
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 36 transitions (discarded 5 similar events)
// Phase 1: matrix 36 rows 23 cols
[2021-05-08 08:01:36] [INFO ] Computed 5 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] State equation strengthened by 2 read => feed constraints.
[2021-05-08 08:01:36] [INFO ] Implicit Places using invariants and state equation in 20 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 23/37 places, 41/64 transitions.
Stuttering acceptance computed with spot in 23 ms :[(NOT p0)]
Running random walk in product with property : Angiogenesis-PT-20-13 automaton TGBA [mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 0}]], initial=0, aps=[p0:(AND (LT s13 1) (OR (LT s1 1) (LT s3 1)))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 5 steps with 0 reset in 1 ms.
FORMULA Angiogenesis-PT-20-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-13 finished in 143 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F(G((p0||F(p1)))))], workingDir=/home/mcc/execution]
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Graph (trivial) has 13 edges and 37 vertex of which 6 / 37 are part of one of the 3 SCC in 0 ms
Free SCC test removed 3 places
Ensure Unique test removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 1 place count 34 transition count 58
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 3 rules applied. Total rules applied 4 place count 32 transition count 58
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 20 place count 24 transition count 50
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 26 place count 21 transition count 53
Drop transitions removed 11 transitions
Redundant transition composition rules discarded 11 transitions
Iterating global reduction 0 with 11 rules applied. Total rules applied 37 place count 21 transition count 42
Applied a total of 37 rules in 5 ms. Remains 21 /37 variables (removed 16) and now considering 42/64 (removed 22) transitions.
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 33 transitions (discarded 9 similar events)
// Phase 1: matrix 33 rows 21 cols
[2021-05-08 08:01:36] [INFO ] Computed 5 place invariants in 1 ms
[2021-05-08 08:01:36] [INFO ] Implicit Places using invariants in 16 ms returned [18]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 16 ms to find 1 implicit places.
[2021-05-08 08:01:36] [INFO ] Redundant transitions in 0 ms returned []
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 33 transitions (discarded 9 similar events)
// Phase 1: matrix 33 rows 20 cols
[2021-05-08 08:01:36] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] Dead Transitions using invariants and state equation in 21 ms returned []
Starting structural reductions, iteration 1 : 20/37 places, 42/64 transitions.
Graph (trivial) has 8 edges and 20 vertex of which 2 / 20 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 19 transition count 36
Applied a total of 6 rules in 2 ms. Remains 19 /20 variables (removed 1) and now considering 36/42 (removed 6) transitions.
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 31 transitions (discarded 5 similar events)
// Phase 1: matrix 31 rows 19 cols
[2021-05-08 08:01:36] [INFO ] Computed 4 place invariants in 1 ms
[2021-05-08 08:01:36] [INFO ] Implicit Places using invariants in 25 ms returned []
[2021-05-08 08:01:36] [INFO ] Flow matrix only has 31 transitions (discarded 5 similar events)
// Phase 1: matrix 31 rows 19 cols
[2021-05-08 08:01:36] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2021-05-08 08:01:36] [INFO ] Implicit Places using invariants and state equation in 19 ms returned []
Implicit Place search using SMT with State Equation took 47 ms to find 0 implicit places.
Finished structural reductions, in 2 iterations. Remains : 19/37 places, 36/64 transitions.
Stuttering acceptance computed with spot in 55 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : Angiogenesis-PT-20-14 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 1}]], initial=0, aps=[p0:(GEQ s18 1), p1:(GEQ s1 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 0 steps with 0 reset in 0 ms.
FORMULA Angiogenesis-PT-20-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-14 finished in 161 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(G(((G(p0)||X(F(p1))) U X(p2))))], workingDir=/home/mcc/execution]
Support contains 3 out of 37 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 37/37 places, 64/64 transitions.
Applied a total of 0 rules in 0 ms. Remains 37 /37 variables (removed 0) and now considering 64/64 (removed 0) transitions.
// Phase 1: matrix 64 rows 37 cols
[2021-05-08 08:01:36] [INFO ] Computed 6 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] Implicit Places using invariants in 18 ms returned [4, 33]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 18 ms to find 2 implicit places.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:36] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] Dead Transitions using invariants and state equation in 40 ms returned []
Starting structural reductions, iteration 1 : 35/37 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.
// Phase 1: matrix 64 rows 35 cols
[2021-05-08 08:01:36] [INFO ] Computed 4 place invariants in 0 ms
[2021-05-08 08:01:36] [INFO ] Dead Transitions using invariants and state equation in 26 ms returned []
Finished structural reductions, in 2 iterations. Remains : 35/37 places, 64/64 transitions.
Stuttering acceptance computed with spot in 269 ms :[(NOT p2), (AND (NOT p1) (NOT p0) (NOT p2)), (NOT p2), (AND (NOT p1) (NOT p2)), (NOT p1), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : Angiogenesis-PT-20-15 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}, { cond=(NOT p0), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p0) (NOT p2) (NOT p1)), acceptance={} source=1 dest: 4}, { cond=(AND p0 (NOT p2) (NOT p1)), acceptance={} source=1 dest: 5}], [{ cond=(AND p0 (NOT p2)), acceptance={0} source=2 dest: 1}, { cond=(NOT p2), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={} source=3 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=5 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p0:(GEQ s10 1), p2:(GEQ s15 1), p1:(LT s26 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Product exploration explored 100000 steps with 11468 reset in 173 ms.
Stack based approach found an accepted trace after 7 steps with 0 reset with depth 8 and stack size 8 in 0 ms.
FORMULA Angiogenesis-PT-20-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property Angiogenesis-PT-20-15 finished in 543 ms.
All properties solved without resorting to model-checking.
BK_STOP 1620460897919
--------------------
content from stderr:
+ export BINDIR=/home/mcc/BenchKit/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
++ cut -d . -f 9
++ ls /home/mcc/BenchKit/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202104292328.jar
+ VERSION=0
+ echo 'Running Version 0'
+ /home/mcc/BenchKit/bin//..//itstools/its-tools -data /home/mcc/execution/workspace -pnfolder /home/mcc/execution -examination LTLFireability -spotpath /home/mcc/BenchKit/bin//..//ltlfilt -z3path /home/mcc/BenchKit/bin//..//z3/bin/z3 -yices2path /home/mcc/BenchKit/bin//..//yices/bin/yices -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600 -vmargs -Dosgi.locking=none -Declipse.stateSaveDelayInterval=-1 -Dosgi.configuration.area=/tmp/.eclipse -Xss128m -Xms40m -Xmx16000m
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-20"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="itstools"
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 2-4028"
echo " Executing tool itstools"
echo " Input is Angiogenesis-PT-20, examination is LTLFireability"
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-tall-162037989900346"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/Angiogenesis-PT-20.tgz
mv Angiogenesis-PT-20 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "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 [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "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 "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
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 ;