About the Execution of ITS-Tools for ViralEpidemic-PT-S04D1C1A04
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1156.983 | 130461.00 | 193244.00 | 867.60 | FFFFFFTFFFTFTFFT | 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.r273-smll-162123879900293.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2021-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-4028
Executing tool itstools
Input is ViralEpidemic-PT-S04D1C1A04, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r273-smll-162123879900293
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.7M
-rw-r--r-- 1 mcc users 17K May 5 16:58 CTLCardinality.txt
-rw-r--r-- 1 mcc users 107K May 10 09:44 CTLCardinality.xml
-rw-r--r-- 1 mcc users 15K May 5 16:58 CTLFireability.txt
-rw-r--r-- 1 mcc users 102K May 10 09:44 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K May 6 14:48 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.8K May 6 14:48 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 4.0K Mar 28 16:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Mar 28 16:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Mar 28 16:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Mar 28 16:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Mar 27 15:10 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 19K Mar 27 15:10 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 2.9K Mar 26 06:15 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 14K Mar 26 06:15 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.9K Mar 22 08:17 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Mar 22 08:17 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 5 16:52 equiv_col
-rw-r--r-- 1 mcc users 11 May 5 16:52 instance
-rw-r--r-- 1 mcc users 6 May 5 16:52 iscolored
-rw-r--r-- 1 mcc users 2.4M May 5 16:52 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 ViralEpidemic-PT-S04D1C1A04-00
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-01
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-02
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-03
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-04
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-05
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-06
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-07
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-08
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-09
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-10
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-11
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-12
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-13
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-14
FORMULA_NAME ViralEpidemic-PT-S04D1C1A04-15
=== Now, execution of the tool begins
BK_START 1621536270632
Running Version 0
[2021-05-20 18:44:33] [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]
[2021-05-20 18:44:33] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2021-05-20 18:44:33] [INFO ] Load time of PNML (sax parser for PT used): 442 ms
[2021-05-20 18:44:33] [INFO ] Transformed 2047 places.
[2021-05-20 18:44:33] [INFO ] Transformed 3069 transitions.
[2021-05-20 18:44:33] [INFO ] Found NUPN structural information;
[2021-05-20 18:44:33] [INFO ] Parsed PT model containing 2047 places and 3069 transitions in 544 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 16 ms.
Working with output stream class java.io.PrintStream
[2021-05-20 18:44:34] [INFO ] Initial state test concluded for 3 properties.
FORMULA ViralEpidemic-PT-S04D1C1A04-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA ViralEpidemic-PT-S04D1C1A04-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 60 out of 2047 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 2047/2047 places, 3069/3069 transitions.
Discarding 1057 places :
Symmetric choice reduction at 0 with 1057 rule applications. Total rules 1057 place count 990 transition count 1033
Iterating global reduction 0 with 1057 rules applied. Total rules applied 2114 place count 990 transition count 1033
Applied a total of 2114 rules in 348 ms. Remains 990 /2047 variables (removed 1057) and now considering 1033/3069 (removed 2036) transitions.
// Phase 1: matrix 1033 rows 990 cols
[2021-05-20 18:44:34] [INFO ] Invariants computation overflowed in 104 ms
[2021-05-20 18:44:36] [INFO ] Implicit Places using invariants in 1797 ms returned []
// Phase 1: matrix 1033 rows 990 cols
[2021-05-20 18:44:36] [INFO ] Invariants computation overflowed in 49 ms
[2021-05-20 18:44:37] [INFO ] Implicit Places using invariants and state equation in 1410 ms returned []
Implicit Place search using SMT with State Equation took 3255 ms to find 0 implicit places.
// Phase 1: matrix 1033 rows 990 cols
[2021-05-20 18:44:37] [INFO ] Invariants computation overflowed in 22 ms
[2021-05-20 18:44:38] [INFO ] Dead Transitions using invariants and state equation in 1225 ms returned []
Finished structural reductions, in 1 iterations. Remains : 990/2047 places, 1033/3069 transitions.
[2021-05-20 18:44:39] [INFO ] Initial state reduction rules for LTL removed 1 formulas.
[2021-05-20 18:44:39] [INFO ] Flatten gal took : 171 ms
FORMULA ViralEpidemic-PT-S04D1C1A04-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2021-05-20 18:44:39] [INFO ] Flatten gal took : 98 ms
[2021-05-20 18:44:39] [INFO ] Input system was already deterministic with 1033 transitions.
Finished random walk after 3868 steps, including 21 resets, run visited all 31 properties in 88 ms. (steps per millisecond=43 )
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X((p0 U (G(p0)||(F(p1)&&(!p1||X(p0)))))))], workingDir=/home/mcc/execution]
Support contains 3 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 940 transition count 940
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 940 transition count 940
Applied a total of 100 rules in 125 ms. Remains 940 /990 variables (removed 50) and now considering 940/1033 (removed 93) transitions.
// Phase 1: matrix 940 rows 940 cols
[2021-05-20 18:44:40] [INFO ] Invariants computation overflowed in 23 ms
[2021-05-20 18:44:40] [INFO ] Implicit Places using invariants in 492 ms returned []
// Phase 1: matrix 940 rows 940 cols
[2021-05-20 18:44:40] [INFO ] Invariants computation overflowed in 41 ms
[2021-05-20 18:44:41] [INFO ] Implicit Places using invariants and state equation in 950 ms returned []
Implicit Place search using SMT with State Equation took 1444 ms to find 0 implicit places.
// Phase 1: matrix 940 rows 940 cols
[2021-05-20 18:44:41] [INFO ] Invariants computation overflowed in 57 ms
[2021-05-20 18:44:42] [INFO ] Dead Transitions using invariants and state equation in 714 ms returned []
Finished structural reductions, in 1 iterations. Remains : 940/990 places, 940/1033 transitions.
Stuttering acceptance computed with spot in 408 ms :[true, (NOT p1), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p0)), (NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-00 automaton TGBA [mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=3 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=3 dest: 4}, { cond=(AND p1 p0), acceptance={} source=3 dest: 5}, { cond=(AND p1 (NOT p0)), acceptance={} source=3 dest: 6}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=4 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=5 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=5 dest: 6}], [{ cond=(NOT p0), acceptance={} source=6 dest: 0}]], initial=2, aps=[p1:(EQ s53 1), p0:(OR (NEQ s104 1) (NEQ s107 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null, null][false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 137 steps with 0 reset in 6 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-00 finished in 2778 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((F((G(p1)&&p0))||G((p2||X((G(p3) U (G(p3)&&p4)))))))], workingDir=/home/mcc/execution]
Support contains 8 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 45 place count 945 transition count 950
Iterating global reduction 0 with 45 rules applied. Total rules applied 90 place count 945 transition count 950
Applied a total of 90 rules in 92 ms. Remains 945 /990 variables (removed 45) and now considering 950/1033 (removed 83) transitions.
// Phase 1: matrix 950 rows 945 cols
[2021-05-20 18:44:42] [INFO ] Invariants computation overflowed in 15 ms
[2021-05-20 18:44:43] [INFO ] Implicit Places using invariants in 452 ms returned []
// Phase 1: matrix 950 rows 945 cols
[2021-05-20 18:44:43] [INFO ] Invariants computation overflowed in 21 ms
[2021-05-20 18:44:44] [INFO ] Implicit Places using invariants and state equation in 1049 ms returned []
Implicit Place search using SMT with State Equation took 1505 ms to find 0 implicit places.
// Phase 1: matrix 950 rows 945 cols
[2021-05-20 18:44:44] [INFO ] Invariants computation overflowed in 16 ms
[2021-05-20 18:44:44] [INFO ] Dead Transitions using invariants and state equation in 666 ms returned []
Finished structural reductions, in 1 iterations. Remains : 945/990 places, 950/1033 transitions.
Stuttering acceptance computed with spot in 384 ms :[(OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p0) (NOT p2) (NOT p4)) (AND (NOT p1) (NOT p2) (NOT p3)) (AND (NOT p0) (NOT p2) (NOT p3))), (OR (AND (NOT p1) (NOT p2) (NOT p4)) (AND (NOT p1) (NOT p2) (NOT p3))), (OR (AND (NOT p1) (NOT p4)) (AND (NOT p1) (NOT p3))), (OR (AND (NOT p0) (NOT p3)) (AND (NOT p0) (NOT p4)) (AND (NOT p1) (NOT p3)) (AND (NOT p1) (NOT p4))), (OR (NOT p0) (NOT p1)), (AND (NOT p1) (NOT p3)), (OR (AND (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p3))), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-01 automaton TGBA [mat=[[{ cond=(OR (NOT p0) (NOT p1)), acceptance={} source=0 dest: 0}, { cond=(AND p0 p1), acceptance={} source=0 dest: 1}, { cond=(AND p0 p1 (NOT p2)), acceptance={} source=0 dest: 2}, { cond=(OR (AND (NOT p0) (NOT p2)) (AND (NOT p1) (NOT p2))), acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={} source=1 dest: 0}, { cond=p1, acceptance={} source=1 dest: 1}, { cond=(AND p1 (NOT p2)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 3}], [{ cond=(AND p1 (NOT p4) p3), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p4) p3), acceptance={0} source=2 dest: 3}, { cond=(AND (NOT p1) (NOT p3)), acceptance={} source=2 dest: 4}, { cond=(AND p1 p4 p3), acceptance={} source=2 dest: 5}, { cond=(AND (NOT p1) p4 p3), acceptance={} source=2 dest: 6}, { cond=(AND p1 (NOT p3)), acceptance={} source=2 dest: 7}], [{ cond=(AND p0 p1 (NOT p4) p3), acceptance={} source=3 dest: 2}, { cond=(OR (AND (NOT p0) (NOT p4) p3) (AND (NOT p1) (NOT p4) p3)), acceptance={0} source=3 dest: 3}, { cond=(OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), acceptance={} source=3 dest: 4}, { cond=(AND p0 p1 p4 p3), acceptance={} source=3 dest: 5}, { cond=(OR (AND (NOT p0) p4 p3) (AND (NOT p1) p4 p3)), acceptance={} source=3 dest: 6}, { cond=(AND p0 p1 (NOT p3)), acceptance={} source=3 dest: 7}], [{ cond=(OR (NOT p0) (NOT p1)), acceptance={0} source=4 dest: 4}, { cond=(AND p0 p1), acceptance={} source=4 dest: 7}], [{ cond=(AND (NOT p1) (NOT p3)), acceptance={} source=5 dest: 4}, { cond=(AND p1 p3), acceptance={} source=5 dest: 5}, { cond=(AND (NOT p1) p3), acceptance={} source=5 dest: 6}, { cond=(AND p1 (NOT p3)), acceptance={} source=5 dest: 7}], [{ cond=(OR (AND (NOT p0) (NOT p3)) (AND (NOT p1) (NOT p3))), acceptance={} source=6 dest: 4}, { cond=(AND p0 p1 p3), acceptance={} source=6 dest: 5}, { cond=(OR (AND (NOT p0) p3) (AND (NOT p1) p3)), acceptance={} source=6 dest: 6}, { cond=(AND p0 p1 (NOT p3)), acceptance={} source=6 dest: 7}], [{ cond=(NOT p1), acceptance={0} source=7 dest: 4}, { cond=p1, acceptance={} source=7 dest: 7}]], initial=0, aps=[p0:(AND (EQ s701 1) (EQ s703 1)), p1:(AND (EQ s845 1) (EQ s850 1)), p2:(AND (EQ s268 1) (EQ s271 1)), p4:(AND (EQ s268 1) (EQ s271 1)), p3:(OR (EQ s126 0) (EQ s128 0))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch], stateDesc=[null, null, null, null, null, null, null, null][false, false, false, false, false, false, false, false]]
Stuttering criterion allowed to conclude after 259 steps with 1 reset in 13 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-01 finished in 2689 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(F((G(F(p0))&&(p1||X(p2))))))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 941 transition count 944
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 941 transition count 944
Applied a total of 98 rules in 65 ms. Remains 941 /990 variables (removed 49) and now considering 944/1033 (removed 89) transitions.
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:44:45] [INFO ] Invariants computation overflowed in 24 ms
[2021-05-20 18:44:46] [INFO ] Implicit Places using invariants in 592 ms returned []
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:44:46] [INFO ] Invariants computation overflowed in 21 ms
[2021-05-20 18:44:47] [INFO ] Implicit Places using invariants and state equation in 1221 ms returned []
Implicit Place search using SMT with State Equation took 1815 ms to find 0 implicit places.
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:44:47] [INFO ] Invariants computation overflowed in 23 ms
[2021-05-20 18:44:48] [INFO ] Dead Transitions using invariants and state equation in 950 ms returned []
Finished structural reductions, in 1 iterations. Remains : 941/990 places, 944/1033 transitions.
Stuttering acceptance computed with spot in 203 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-03 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=true, acceptance={} source=1 dest: 3}, { cond=(NOT p1), acceptance={} source=1 dest: 4}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(NOT p0), acceptance={} source=3 dest: 2}, { cond=true, acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(AND (EQ s284 1) (EQ s288 1)), p1:(AND (NEQ s871 0) (NEQ s873 0)), p2:(AND (EQ s871 1) (EQ s873 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]]
Stuttering criterion allowed to conclude after 109 steps with 0 reset in 2 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-03 finished in 3066 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((X(X(F(p0)))||G(p1)))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 941 transition count 944
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 941 transition count 944
Applied a total of 98 rules in 59 ms. Remains 941 /990 variables (removed 49) and now considering 944/1033 (removed 89) transitions.
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:44:48] [INFO ] Invariants computation overflowed in 31 ms
[2021-05-20 18:44:49] [INFO ] Implicit Places using invariants in 601 ms returned []
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:44:49] [INFO ] Invariants computation overflowed in 20 ms
[2021-05-20 18:44:50] [INFO ] Implicit Places using invariants and state equation in 1003 ms returned []
Implicit Place search using SMT with State Equation took 1604 ms to find 0 implicit places.
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:44:50] [INFO ] Invariants computation overflowed in 26 ms
[2021-05-20 18:44:51] [INFO ] Dead Transitions using invariants and state equation in 1042 ms returned []
Finished structural reductions, in 1 iterations. Remains : 941/990 places, 944/1033 transitions.
Stuttering acceptance computed with spot in 207 ms :[(NOT p0), (NOT p0), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-04 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 3}], [{ cond=(NOT p1), acceptance={} source=3 dest: 1}, { cond=p1, acceptance={} source=3 dest: 4}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=4 dest: 4}]], initial=2, aps=[p0:(AND (EQ s710 1) (EQ s725 1)), p1:(AND (EQ s566 1) (EQ s568 1) (EQ s566 1) (EQ s568 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 103 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-04 finished in 2936 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((G(p0)||F(G(((p1 U (p2||G(p1))) U p3)))))], workingDir=/home/mcc/execution]
Support contains 8 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 45 places :
Symmetric choice reduction at 0 with 45 rule applications. Total rules 45 place count 944 transition count 949
Iterating global reduction 0 with 45 rules applied. Total rules applied 90 place count 944 transition count 949
Applied a total of 90 rules in 161 ms. Remains 944 /990 variables (removed 46) and now considering 949/1033 (removed 84) transitions.
// Phase 1: matrix 949 rows 944 cols
[2021-05-20 18:44:51] [INFO ] Invariants computation overflowed in 17 ms
[2021-05-20 18:44:52] [INFO ] Implicit Places using invariants in 584 ms returned []
// Phase 1: matrix 949 rows 944 cols
[2021-05-20 18:44:52] [INFO ] Invariants computation overflowed in 15 ms
[2021-05-20 18:44:53] [INFO ] Implicit Places using invariants and state equation in 999 ms returned []
Implicit Place search using SMT with State Equation took 1587 ms to find 0 implicit places.
[2021-05-20 18:44:53] [INFO ] Redundant transitions in 78 ms returned []
// Phase 1: matrix 949 rows 944 cols
[2021-05-20 18:44:53] [INFO ] Invariants computation overflowed in 20 ms
[2021-05-20 18:44:54] [INFO ] Dead Transitions using invariants and state equation in 770 ms returned []
Finished structural reductions, in 1 iterations. Remains : 944/990 places, 949/1033 transitions.
Stuttering acceptance computed with spot in 169 ms :[(AND (NOT p0) (NOT p3)), (NOT p3), (NOT p3), (AND (NOT p3) (NOT p2) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-05 automaton TGBA [mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(OR (AND (NOT p0) (NOT p3) p2) (AND (NOT p0) (NOT p3) p1)), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p0) (NOT p3) (NOT p2) p1), acceptance={} source=0 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={0, 1} source=1 dest: 1}, { cond=(OR p3 p2 p1), acceptance={0} source=1 dest: 1}, { cond=(OR (AND (NOT p3) p2) (AND (NOT p3) p1)), acceptance={0, 1} source=1 dest: 2}, { cond=(AND (NOT p3) (NOT p2) p1), acceptance={1} source=1 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={0, 1} source=2 dest: 1}, { cond=(OR (AND (NOT p3) p2) (AND (NOT p3) p1)), acceptance={0, 1} source=2 dest: 2}, { cond=(AND (NOT p3) (NOT p2) p1), acceptance={1} source=2 dest: 3}], [{ cond=(AND (NOT p3) (NOT p2) (NOT p1)), acceptance={0, 1} source=3 dest: 1}, { cond=(AND p3 (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p3) (NOT p2) p1), acceptance={1} source=3 dest: 3}, { cond=(AND p3 (NOT p2) p1), acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(AND (EQ s747 1) (EQ s749 1)), p3:(AND (EQ s666 1) (EQ s668 1)), p2:(AND (OR (NEQ s42 1) (NEQ s44 1)) (OR (NEQ s450 1) (NEQ s451 1))), p1:(OR (NEQ s450 1) (NEQ s451 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 241 steps with 3 reset in 8 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-05 finished in 2823 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(X(G((p0&&F(G(p1)))))))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 58 ms. Remains 942 /990 variables (removed 48) and now considering 943/1033 (removed 90) transitions.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:44:54] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:44:54] [INFO ] Implicit Places using invariants in 594 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:44:54] [INFO ] Invariants computation overflowed in 16 ms
[2021-05-20 18:44:56] [INFO ] Implicit Places using invariants and state equation in 1215 ms returned []
Implicit Place search using SMT with State Equation took 1825 ms to find 0 implicit places.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:44:56] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:44:56] [INFO ] Dead Transitions using invariants and state equation in 839 ms returned []
Finished structural reductions, in 1 iterations. Remains : 942/990 places, 943/1033 transitions.
Stuttering acceptance computed with spot in 142 ms :[(OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true, (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-07 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=p0, acceptance={} source=2 dest: 2}, { cond=(NOT p0), acceptance={} source=2 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=4 dest: 4}, { cond=p1, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(OR (EQ s23 0) (EQ s26 0)), p1:(AND (EQ s79 1) (EQ s81 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 161 steps with 0 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-07 finished in 2907 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((G(p0)||G(!p0)||X(G(p1))))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 56 ms. Remains 942 /990 variables (removed 48) and now considering 943/1033 (removed 90) transitions.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:44:57] [INFO ] Invariants computation overflowed in 14 ms
[2021-05-20 18:44:57] [INFO ] Implicit Places using invariants in 583 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:44:57] [INFO ] Invariants computation overflowed in 22 ms
[2021-05-20 18:44:58] [INFO ] Implicit Places using invariants and state equation in 1220 ms returned []
Implicit Place search using SMT with State Equation took 1806 ms to find 0 implicit places.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:44:58] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:44:59] [INFO ] Dead Transitions using invariants and state equation in 703 ms returned []
Finished structural reductions, in 1 iterations. Remains : 942/990 places, 943/1033 transitions.
Stuttering acceptance computed with spot in 198 ms :[true, false, (NOT p1), (AND (NOT p1) (NOT p0)), (AND (NOT p1) p0), (NOT p0), p0]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-08 automaton TGBA [mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 3}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p0) p1), acceptance={} source=3 dest: 2}, { cond=(AND p0 p1), acceptance={} source=3 dest: 3}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 5}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=4 dest: 0}, { cond=(AND p0 p1), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={} source=4 dest: 4}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=4 dest: 6}], [{ cond=(NOT p0), acceptance={} source=5 dest: 0}, { cond=p0, acceptance={} source=5 dest: 5}], [{ cond=p0, acceptance={} source=6 dest: 0}, { cond=(NOT p0), acceptance={} source=6 dest: 6}]], initial=1, aps=[p0:(AND (EQ s930 1) (EQ s932 1)), p1:(AND (EQ s445 1) (EQ s448 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, null, null, null][false, false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 28 steps with 0 reset in 1 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-08 finished in 2797 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(F((F(p1)&&p0))))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 58 ms. Remains 942 /990 variables (removed 48) and now considering 943/1033 (removed 90) transitions.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:44:59] [INFO ] Invariants computation overflowed in 14 ms
[2021-05-20 18:45:00] [INFO ] Implicit Places using invariants in 584 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:45:00] [INFO ] Invariants computation overflowed in 38 ms
[2021-05-20 18:45:01] [INFO ] Implicit Places using invariants and state equation in 1267 ms returned []
Implicit Place search using SMT with State Equation took 1853 ms to find 0 implicit places.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:45:01] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:45:02] [INFO ] Dead Transitions using invariants and state equation in 849 ms returned []
Finished structural reductions, in 1 iterations. Remains : 942/990 places, 943/1033 transitions.
Stuttering acceptance computed with spot in 241 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-09 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 1}, { cond=(NOT p0), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p1:(AND (EQ s846 1) (EQ s848 1)), p0:(AND (EQ s449 1) (EQ s451 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 101 steps with 0 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-09 finished in 3021 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(F(((p1 U ((G(p3)&&p2)||G(p1)))||p0))))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 941 transition count 944
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 941 transition count 944
Applied a total of 98 rules in 54 ms. Remains 941 /990 variables (removed 49) and now considering 944/1033 (removed 89) transitions.
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:45:03] [INFO ] Invariants computation overflowed in 17 ms
[2021-05-20 18:45:03] [INFO ] Implicit Places using invariants in 608 ms returned []
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:45:03] [INFO ] Invariants computation overflowed in 14 ms
[2021-05-20 18:45:04] [INFO ] Implicit Places using invariants and state equation in 1216 ms returned []
Implicit Place search using SMT with State Equation took 1825 ms to find 0 implicit places.
// Phase 1: matrix 944 rows 941 cols
[2021-05-20 18:45:04] [INFO ] Invariants computation overflowed in 15 ms
[2021-05-20 18:45:05] [INFO ] Dead Transitions using invariants and state equation in 754 ms returned []
Finished structural reductions, in 1 iterations. Remains : 941/990 places, 944/1033 transitions.
Stuttering acceptance computed with spot in 115 ms :[(OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (OR (AND (NOT p0) (NOT p1) (NOT p3)) (AND (NOT p0) (NOT p1) (NOT p2))), (AND (NOT p0) (NOT p1) (NOT p3))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-10 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(OR (AND (NOT p0) (NOT p2) (NOT p1)) (AND (NOT p0) (NOT p3) (NOT p1))), acceptance={0, 1} source=1 dest: 1}, { cond=(OR (AND (NOT p0) (NOT p2) p1) (AND (NOT p0) (NOT p3) p1)), acceptance={0} source=1 dest: 1}, { cond=(AND (NOT p0) p2 p3 (NOT p1)), acceptance={1} source=1 dest: 2}, { cond=(AND (NOT p0) p2 p3 p1), acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p0) (NOT p3) (NOT p1)), acceptance={0, 1} source=2 dest: 1}, { cond=(AND (NOT p0) (NOT p3) p1), acceptance={0} source=2 dest: 1}, { cond=(AND (NOT p0) p3 (NOT p1)), acceptance={1} source=2 dest: 2}, { cond=(AND (NOT p0) p3 p1), acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(OR (NEQ s358 1) (NEQ s362 1)), p2:(AND (NEQ s857 0) (NEQ s859 0)), p1:(AND (NEQ s857 0) (NEQ s859 0)), p3:(OR (NEQ s358 1) (NEQ s362 1))], nbAcceptance=2, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 2365 ms.
Product exploration explored 100000 steps with 50000 reset in 1668 ms.
Complete graph has no SCC; deadlocks are unavoidable. place count 941 transition count 944
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(F (G p0)), (F (G (NOT p2))), (F (G (NOT p1))), (F (G p3)), p0, (NOT p2), (NOT p1), p3]
Property proved to be true thanks to knowledge :(F (G p0))
FORMULA ViralEpidemic-PT-S04D1C1A04-10 TRUE TECHNIQUES STRUCTURAL INITIAL_STATE
Treatment of property ViralEpidemic-PT-S04D1C1A04-10 finished in 7189 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X(F(p0)))], workingDir=/home/mcc/execution]
Support contains 2 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 50 places :
Symmetric choice reduction at 0 with 50 rule applications. Total rules 50 place count 940 transition count 940
Iterating global reduction 0 with 50 rules applied. Total rules applied 100 place count 940 transition count 940
Applied a total of 100 rules in 52 ms. Remains 940 /990 variables (removed 50) and now considering 940/1033 (removed 93) transitions.
// Phase 1: matrix 940 rows 940 cols
[2021-05-20 18:45:10] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:45:10] [INFO ] Implicit Places using invariants in 559 ms returned []
// Phase 1: matrix 940 rows 940 cols
[2021-05-20 18:45:10] [INFO ] Invariants computation overflowed in 14 ms
[2021-05-20 18:45:11] [INFO ] Implicit Places using invariants and state equation in 1061 ms returned []
Implicit Place search using SMT with State Equation took 1622 ms to find 0 implicit places.
// Phase 1: matrix 940 rows 940 cols
[2021-05-20 18:45:11] [INFO ] Invariants computation overflowed in 20 ms
[2021-05-20 18:45:12] [INFO ] Dead Transitions using invariants and state equation in 815 ms returned []
Finished structural reductions, in 1 iterations. Remains : 940/990 places, 940/1033 transitions.
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-11 automaton TGBA [mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (EQ s700 1) (EQ s702 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null][false, false]]
Stuttering criterion allowed to conclude after 191 steps with 0 reset in 6 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-11 finished in 2579 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(X((p0 U p1)))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 942 transition count 943
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 942 transition count 943
Applied a total of 96 rules in 54 ms. Remains 942 /990 variables (removed 48) and now considering 943/1033 (removed 90) transitions.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:45:12] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:45:13] [INFO ] Implicit Places using invariants in 616 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:45:13] [INFO ] Invariants computation overflowed in 12 ms
[2021-05-20 18:45:14] [INFO ] Implicit Places using invariants and state equation in 1212 ms returned []
Implicit Place search using SMT with State Equation took 1831 ms to find 0 implicit places.
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:45:14] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:45:15] [INFO ] Dead Transitions using invariants and state equation in 854 ms returned []
Finished structural reductions, in 1 iterations. Remains : 942/990 places, 943/1033 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (NOT p1), true]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-12 automaton TGBA [mat=[[{ cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}]], initial=1, aps=[p1:(OR (EQ s720 0) (EQ s722 0)), p0:(AND (EQ s545 1) (EQ s546 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 1409 ms.
Product exploration explored 100000 steps with 50000 reset in 1566 ms.
Complete graph has no SCC; deadlocks are unavoidable. place count 942 transition count 943
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(F (G p1)), (F (G (NOT p0))), p1, (NOT p0)]
Stuttering acceptance computed with spot in 77 ms :[(NOT p1), (NOT p1), true]
Product exploration explored 100000 steps with 50000 reset in 1415 ms.
Product exploration explored 100000 steps with 50000 reset in 1695 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 75 ms :[(NOT p1), (NOT p1), true]
Support contains 4 out of 942 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions, iteration 0 : 942/942 places, 943/943 transitions.
Applied a total of 0 rules in 74 ms. Remains 942 /942 variables (removed 0) and now considering 943/943 (removed 0) transitions.
[2021-05-20 18:45:22] [INFO ] Redundant transitions in 15 ms returned []
// Phase 1: matrix 943 rows 942 cols
[2021-05-20 18:45:22] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:45:23] [INFO ] Dead Transitions using invariants and state equation in 693 ms returned []
Finished structural reductions, in 1 iterations. Remains : 942/942 places, 943/943 transitions.
Product exploration explored 100000 steps with 50000 reset in 8997 ms.
Product exploration explored 100000 steps with 50000 reset in 8760 ms.
[2021-05-20 18:45:41] [INFO ] Flatten gal took : 65 ms
[2021-05-20 18:45:41] [INFO ] Flatten gal took : 60 ms
[2021-05-20 18:45:41] [INFO ] Time to serialize gal into /tmp/LTL17778697499524391929.gal : 31 ms
[2021-05-20 18:45:41] [INFO ] Time to serialize properties into /tmp/LTL7086951521009027909.ltl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTL17778697499524391929.gal, -t, CGAL, -LTL, /tmp/LTL7086951521009027909.ltl, -c, -stutter-deadlock, --gen-order, FOLLOW], workingDir=/home/mcc/execution]
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL17778697499524391929.gal -t CGAL -LTL /tmp/LTL7086951521009027909.ltl -c -stutter-deadlock --gen-order FOLLOW
Read 1 LTL properties
Checking formula 0 : !((X(("((cFactor43214==1)&&(patient32141==1))")U("((cFactor44113==0)||(patient41134==0))"))))
Formula 0 simplified : !X("((cFactor43214==1)&&(patient32141==1))" U "((cFactor44113==0)||(patient41134==0))")
Detected timeout of ITS tools.
[2021-05-20 18:45:56] [INFO ] Flatten gal took : 52 ms
[2021-05-20 18:45:56] [INFO ] Applying decomposition
[2021-05-20 18:45:56] [INFO ] Flatten gal took : 49 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph3485664441298042442.txt, -o, /tmp/graph3485664441298042442.bin, -w, /tmp/graph3485664441298042442.weights], workingDir=null]
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph3485664441298042442.bin, -l, -1, -v, -w, /tmp/graph3485664441298042442.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-20 18:45:56] [INFO ] Decomposing Gal with order
[2021-05-20 18:45:56] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-20 18:45:57] [INFO ] Removed a total of 281 redundant transitions.
[2021-05-20 18:45:57] [INFO ] Flatten gal took : 190 ms
[2021-05-20 18:45:57] [INFO ] Fuse similar labels procedure discarded/fused a total of 391 labels/synchronizations in 58 ms.
[2021-05-20 18:45:57] [INFO ] Time to serialize gal into /tmp/LTL17623824600543562287.gal : 36 ms
[2021-05-20 18:45:57] [INFO ] Time to serialize properties into /tmp/LTL7404231841477376473.ltl : 1 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTL17623824600543562287.gal, -t, CGAL, -LTL, /tmp/LTL7404231841477376473.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTL17623824600543562287.gal -t CGAL -LTL /tmp/LTL7404231841477376473.ltl -c -stutter-deadlock
Read 1 LTL properties
Checking formula 0 : !((X(("((u358.cFactor43214==1)&&(i224.u356.patient32141==1))")U("((u472.cFactor44113==0)||(i299.u470.patient41134==0))"))))
Formula 0 simplified : !X("((u358.cFactor43214==1)&&(i224.u356.patient32141==1))" U "((u472.cFactor44113==0)||(i299.u470.patient41134==0))")
Detected timeout of ITS tools.
Built C files in :
/tmp/ltsmin6155510096300838090
[2021-05-20 18:46:12] [INFO ] Built C files in 29ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin6155510096300838090
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin6155510096300838090]
WARNING : LTS min runner thread failed on error :java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin6155510096300838090] killed by timeout after 1 SECONDS
java.lang.RuntimeException: Compilation or link of executable timed out.java.util.concurrent.TimeoutException: Subprocess running CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin6155510096300838090] killed by timeout after 1 SECONDS
at fr.lip6.move.gal.application.LTSminRunner$1.run(LTSminRunner.java:79)
at java.base/java.lang.Thread.run(Thread.java:834)
Treatment of property ViralEpidemic-PT-S04D1C1A04-12 finished in 60754 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !(F((p0||G((p1||F(p0))))))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 48 places :
Symmetric choice reduction at 0 with 48 rule applications. Total rules 48 place count 941 transition count 942
Iterating global reduction 0 with 48 rules applied. Total rules applied 96 place count 941 transition count 942
Applied a total of 96 rules in 209 ms. Remains 941 /990 variables (removed 49) and now considering 942/1033 (removed 91) transitions.
// Phase 1: matrix 942 rows 941 cols
[2021-05-20 18:46:13] [INFO ] Invariants computation overflowed in 38 ms
[2021-05-20 18:46:15] [INFO ] Implicit Places using invariants in 1676 ms returned []
// Phase 1: matrix 942 rows 941 cols
[2021-05-20 18:46:15] [INFO ] Invariants computation overflowed in 14 ms
[2021-05-20 18:46:16] [INFO ] Implicit Places using invariants and state equation in 1630 ms returned []
Implicit Place search using SMT with State Equation took 3312 ms to find 0 implicit places.
[2021-05-20 18:46:16] [INFO ] Redundant transitions in 9 ms returned []
// Phase 1: matrix 942 rows 941 cols
[2021-05-20 18:46:17] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:46:17] [INFO ] Dead Transitions using invariants and state equation in 782 ms returned []
Finished structural reductions, in 1 iterations. Remains : 941/990 places, 942/1033 transitions.
Stuttering acceptance computed with spot in 72 ms :[(AND (NOT p1) (NOT p0)), (AND (NOT p1) (NOT p0))]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-14 automaton TGBA [mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 1}, { cond=(AND p1 (NOT p0)), acceptance={} source=1 dest: 1}]], initial=0, aps=[p1:(AND (EQ s12 1) (EQ s14 1)), p0:(AND (EQ s226 1) (EQ s228 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 192 steps with 0 reset in 3 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property ViralEpidemic-PT-S04D1C1A04-14 finished in 4416 ms.
Running Spot : CommandLine [args=[/home/mcc/BenchKit/bin//..//ltl2tgba, --hoaf=tv, -f, !((G(p0)||G(F(p1))))], workingDir=/home/mcc/execution]
Support contains 4 out of 990 places. Attempting structural reductions.
Starting structural reductions, iteration 0 : 990/990 places, 1033/1033 transitions.
Reduce places removed 1 places and 1 transitions.
Discarding 49 places :
Symmetric choice reduction at 0 with 49 rule applications. Total rules 49 place count 940 transition count 943
Iterating global reduction 0 with 49 rules applied. Total rules applied 98 place count 940 transition count 943
Applied a total of 98 rules in 62 ms. Remains 940 /990 variables (removed 50) and now considering 943/1033 (removed 90) transitions.
// Phase 1: matrix 943 rows 940 cols
[2021-05-20 18:46:17] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:46:18] [INFO ] Implicit Places using invariants in 461 ms returned []
// Phase 1: matrix 943 rows 940 cols
[2021-05-20 18:46:18] [INFO ] Invariants computation overflowed in 13 ms
[2021-05-20 18:46:19] [INFO ] Implicit Places using invariants and state equation in 1206 ms returned []
Implicit Place search using SMT with State Equation took 1670 ms to find 0 implicit places.
[2021-05-20 18:46:19] [INFO ] Redundant transitions in 15 ms returned []
// Phase 1: matrix 943 rows 940 cols
[2021-05-20 18:46:19] [INFO ] Invariants computation overflowed in 14 ms
[2021-05-20 18:46:20] [INFO ] Dead Transitions using invariants and state equation in 1004 ms returned []
Finished structural reductions, in 1 iterations. Remains : 940/990 places, 943/1033 transitions.
Stuttering acceptance computed with spot in 111 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), (NOT p1)]
Running random walk in product with property : ViralEpidemic-PT-S04D1C1A04-15 automaton TGBA [mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=true, acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(AND (EQ s90 1) (EQ s92 1)), p1:(OR (NEQ s167 1) (NEQ s168 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 741 reset in 1771 ms.
Product exploration explored 100000 steps with 755 reset in 1851 ms.
Complete graph has no SCC; deadlocks are unavoidable. place count 940 transition count 943
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(F (G (NOT p0))), (F (G p1)), (NOT p0), p1]
Property proved to be true thanks to knowledge :(F (G p1))
FORMULA ViralEpidemic-PT-S04D1C1A04-15 TRUE TECHNIQUES STRUCTURAL INITIAL_STATE
Treatment of property ViralEpidemic-PT-S04D1C1A04-15 finished in 6999 ms.
Using solver Z3 to compute partial order matrices.
Built C files in :
/tmp/ltsmin15100184681436746041
[2021-05-20 18:46:24] [INFO ] Computing symmetric may disable matrix : 1033 transitions.
[2021-05-20 18:46:24] [INFO ] Computation of Complete disable matrix. took 3 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2021-05-20 18:46:24] [INFO ] Computing symmetric may enable matrix : 1033 transitions.
[2021-05-20 18:46:24] [INFO ] Computation of Complete enable matrix. took 2 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2021-05-20 18:46:24] [INFO ] Applying decomposition
[2021-05-20 18:46:25] [INFO ] Flatten gal took : 82 ms
Converted graph to binary with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/convert-linux64, -i, /tmp/graph11713440601343218390.txt, -o, /tmp/graph11713440601343218390.bin, -w, /tmp/graph11713440601343218390.weights], workingDir=null]
[2021-05-20 18:46:25] [INFO ] Computing Do-Not-Accords matrix : 1033 transitions.
Built communities with : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.louvain.binaries_1.0.0.202104292328/bin/louvain-linux64, /tmp/graph11713440601343218390.bin, -l, -1, -v, -w, /tmp/graph11713440601343218390.weights, -q, 0, -e, 0.001], workingDir=null]
[2021-05-20 18:46:25] [INFO ] Decomposing Gal with order
[2021-05-20 18:46:25] [INFO ] Computation of Completed DNA matrix. took 48 ms. Total solver calls (SAT/UNSAT): 0(0/0)
[2021-05-20 18:46:25] [INFO ] Built C files in 318ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin15100184681436746041
Running compilation step : CommandLine [args=[gcc, -c, -I/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/include/, -I., -std=c99, -fPIC, -O2, model.c], workingDir=/tmp/ltsmin15100184681436746041]
[2021-05-20 18:46:25] [INFO ] Rewriting arrays to variables to allow decomposition.
[2021-05-20 18:46:25] [INFO ] Removed a total of 413 redundant transitions.
[2021-05-20 18:46:25] [INFO ] Flatten gal took : 180 ms
[2021-05-20 18:46:25] [INFO ] Fuse similar labels procedure discarded/fused a total of 480 labels/synchronizations in 93 ms.
[2021-05-20 18:46:25] [INFO ] Time to serialize gal into /tmp/LTLFireability646937548774448104.gal : 26 ms
[2021-05-20 18:46:25] [INFO ] Time to serialize properties into /tmp/LTLFireability2538136147932631677.ltl : 15 ms
Invoking ITS tools like this :CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64, --gc-threshold, 2000000, -i, /tmp/LTLFireability646937548774448104.gal, -t, CGAL, -LTL, /tmp/LTLFireability2538136147932631677.ltl, -c, -stutter-deadlock], workingDir=/home/mcc/execution]
its-ltl command run as :
/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.itstools.binaries_1.0.0.202104292328/bin/its-ltl-linux64 --gc-threshold 2000000 -i /tmp/LTLFireability646937548774448104.gal -t CGAL -LTL /tmp/LTLFireability2538136147932631677.ltl -c -stutter-deadlock
Read 1 LTL properties
Checking formula 0 : !((X(("((u372.cFactor43214==1)&&(i239.u370.patient32141==1))")U("((u490.cFactor44113==0)||(i319.u491.patient41134==0))"))))
Formula 0 simplified : !X("((u372.cFactor43214==1)&&(i239.u370.patient32141==1))" U "((u490.cFactor44113==0)||(i319.u491.patient41134==0))")
Compilation finished in 13770 ms.
Running link step : CommandLine [args=[gcc, -shared, -o, gal.so, model.o], workingDir=/tmp/ltsmin15100184681436746041]
Link finished in 124 ms.
Running LTSmin : CommandLine [args=[/home/mcc/BenchKit/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202104292328/bin/pins2lts-mc-linux64, ./gal.so, --threads=8, --when, --ltl, X(((LTLAPp0==true) U (LTLAPp1==true))), --buchi-type=spotba], workingDir=/tmp/ltsmin15100184681436746041]
LTSmin run took 761 ms.
FORMULA ViralEpidemic-PT-S04D1C1A04-12 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
ITS tools runner thread asked to quit. Dying gracefully.
BK_STOP 1621536401093
--------------------
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="ViralEpidemic-PT-S04D1C1A04"
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 ViralEpidemic-PT-S04D1C1A04, 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 r273-smll-162123879900293"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/ViralEpidemic-PT-S04D1C1A04.tgz
mv ViralEpidemic-PT-S04D1C1A04 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 ;