Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r197-smll-167840343800132.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-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 2-5348
Executing tool itstools
Input is GPUForwardProgress-PT-36a, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r197-smll-167840343800132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 7.5K Feb 25 14:37 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K Feb 25 14:37 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.2K Feb 25 14:27 CTLFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 25 14:27 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:12 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:12 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:12 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 16:12 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K Feb 25 14:44 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 166K Feb 25 14:44 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.2K Feb 25 14:40 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 80K Feb 25 14:40 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:12 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 56K Mar 5 18:22 model.pnml

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

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

The expected result is a vector of booleans
BOOL_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-00
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-01
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-02
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-03
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-04
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-05
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-06
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-07
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-08
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-09
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-10
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-11
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-12
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-13
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-14
FORMULA_NAME GPUForwardProgress-PT-36a-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678487652781

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=itstools
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=GPUForwardProgress-PT-36a
Not applying reductions.
Model is PT
LTLFireability PT
Running Version 202303021504
[2023-03-10 22:34:15] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -its, -ltsmin, -greatspnpath, /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/, -order, META, -manyOrder, -smt, -timeout, 3600]
[2023-03-10 22:34:15] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-10 22:34:15] [INFO ] Load time of PNML (sax parser for PT used): 88 ms
[2023-03-10 22:34:15] [INFO ] Transformed 152 places.
[2023-03-10 22:34:15] [INFO ] Transformed 189 transitions.
[2023-03-10 22:34:15] [INFO ] Found NUPN structural information;
[2023-03-10 22:34:15] [INFO ] Parsed PT model containing 152 places and 189 transitions and 741 arcs in 191 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 10 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Ensure Unique test removed 38 transitions
Reduce redundant transitions removed 38 transitions.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 66 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Applied a total of 0 rules in 21 ms. Remains 152 /152 variables (removed 0) and now considering 151/151 (removed 0) transitions.
// Phase 1: matrix 151 rows 152 cols
[2023-03-10 22:34:16] [INFO ] Computed 38 place invariants in 17 ms
[2023-03-10 22:34:16] [INFO ] Implicit Places using invariants in 502 ms returned []
[2023-03-10 22:34:16] [INFO ] Invariant cache hit.
[2023-03-10 22:34:16] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:16] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 828 ms to find 0 implicit places.
[2023-03-10 22:34:16] [INFO ] Invariant cache hit.
[2023-03-10 22:34:17] [INFO ] Dead Transitions using invariants and state equation in 234 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1088 ms. Remains : 152/152 places, 151/151 transitions.
Support contains 66 out of 152 places after structural reductions.
[2023-03-10 22:34:17] [INFO ] Flatten gal took : 92 ms
[2023-03-10 22:34:17] [INFO ] Flatten gal took : 35 ms
[2023-03-10 22:34:17] [INFO ] Input system was already deterministic with 151 transitions.
Incomplete random walk after 10000 steps, including 20 resets, run finished after 668 ms. (steps per millisecond=14 ) properties (out of 29) seen :27
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10000 steps, including 57 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
[2023-03-10 22:34:18] [INFO ] Invariant cache hit.
[2023-03-10 22:34:18] [INFO ] [Real]Absence check using 0 positive and 38 generalized place invariants in 13 ms returned sat
[2023-03-10 22:34:18] [INFO ] After 138ms SMT Verify possible using state equation in real domain returned unsat :1 sat :1
[2023-03-10 22:34:18] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:18] [INFO ] After 48ms SMT Verify possible using 37 Read/Feed constraints in real domain returned unsat :1 sat :1
[2023-03-10 22:34:18] [INFO ] After 99ms SMT Verify possible using trap constraints in real domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 47 ms.
[2023-03-10 22:34:18] [INFO ] After 406ms SMT Verify possible using all constraints in real domain returned unsat :1 sat :1
Fused 2 Parikh solutions to 1 different solutions.
Finished Parikh walk after 433 steps, including 3 resets, run visited all 1 properties in 11 ms. (steps per millisecond=39 )
Parikh walk visited 1 properties in 17 ms.
Successfully simplified 1 atomic propositions for a total of 15 simplifications.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 486 edges and 152 vertex of which 114 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.5 ms
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&F(p1))))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 21 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
// Phase 1: matrix 151 rows 151 cols
[2023-03-10 22:34:19] [INFO ] Computed 37 place invariants in 5 ms
[2023-03-10 22:34:19] [INFO ] Implicit Places using invariants in 271 ms returned []
[2023-03-10 22:34:19] [INFO ] Invariant cache hit.
[2023-03-10 22:34:19] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:20] [INFO ] Implicit Places using invariants and state equation in 487 ms returned []
Implicit Place search using SMT with State Equation took 761 ms to find 0 implicit places.
[2023-03-10 22:34:20] [INFO ] Invariant cache hit.
[2023-03-10 22:34:20] [INFO ] Dead Transitions using invariants and state equation in 224 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 1010 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 409 ms :[(OR (NOT p0) (NOT p1)), (NOT p1), (NOT p0), (OR (NOT p0) (NOT p1))]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 3}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (EQ s63 1) (EQ s43 1)), p0:(EQ s15 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 3 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-00 finished in 1514 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(X(X(F(p0)))))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 19 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
[2023-03-10 22:34:20] [INFO ] Invariant cache hit.
[2023-03-10 22:34:21] [INFO ] Implicit Places using invariants in 179 ms returned []
[2023-03-10 22:34:21] [INFO ] Invariant cache hit.
[2023-03-10 22:34:21] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:21] [INFO ] Implicit Places using invariants and state equation in 329 ms returned []
Implicit Place search using SMT with State Equation took 511 ms to find 0 implicit places.
[2023-03-10 22:34:21] [INFO ] Invariant cache hit.
[2023-03-10 22:34:21] [INFO ] Dead Transitions using invariants and state equation in 215 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 748 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 147 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=2, aps=[p0:(OR (NEQ s136 1) (NEQ s146 1) (NEQ s150 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 25000 reset in 1425 ms.
Product exploration explored 100000 steps with 25000 reset in 726 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 484 edges and 151 vertex of which 114 are kept as prefixes of interest. Removing 37 places using SCC suffix rule.2 ms
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 92 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 110 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 149 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 171 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 151 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 151/151 places, 151/151 transitions.
Applied a total of 0 rules in 10 ms. Remains 151 /151 variables (removed 0) and now considering 151/151 (removed 0) transitions.
[2023-03-10 22:34:24] [INFO ] Invariant cache hit.
[2023-03-10 22:34:24] [INFO ] Implicit Places using invariants in 152 ms returned []
[2023-03-10 22:34:24] [INFO ] Invariant cache hit.
[2023-03-10 22:34:25] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:25] [INFO ] Implicit Places using invariants and state equation in 307 ms returned []
Implicit Place search using SMT with State Equation took 463 ms to find 0 implicit places.
[2023-03-10 22:34:25] [INFO ] Invariant cache hit.
[2023-03-10 22:34:25] [INFO ] Dead Transitions using invariants and state equation in 199 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 674 ms. Remains : 151/151 places, 151/151 transitions.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 484 edges and 151 vertex of which 114 are kept as prefixes of interest. Removing 37 places using SCC suffix rule.3 ms
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [p0, true]
False Knowledge obtained : []
Knowledge based reduction with 2 factoid took 123 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 160 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Finished random walk after 1 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=1 )
Knowledge obtained : [p0, true]
False Knowledge obtained : [(F (NOT p0))]
Knowledge based reduction with 2 factoid took 138 ms. Reduced automaton from 4 states, 4 edges and 1 AP (stutter sensitive) to 4 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 141 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 188 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 225 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 25000 reset in 627 ms.
Product exploration explored 100000 steps with 25000 reset in 633 ms.
Applying partial POR strategy [true, false, false, false]
Stuttering acceptance computed with spot in 197 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Support contains 3 out of 151 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 151/151 places, 151/151 transitions.
Graph (complete) has 484 edges and 151 vertex of which 114 are kept as prefixes of interest. Removing 37 places using SCC suffix rule.2 ms
Discarding 37 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Performed 36 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 36 Pre rules applied. Total rules applied 1 place count 114 transition count 186
Deduced a syphon composed of 36 places in 1 ms
Iterating global reduction 0 with 36 rules applied. Total rules applied 37 place count 114 transition count 186
Deduced a syphon composed of 36 places in 1 ms
Applied a total of 37 rules in 57 ms. Remains 114 /151 variables (removed 37) and now considering 186/151 (removed -35) transitions.
[2023-03-10 22:34:28] [INFO ] Redundant transitions in 12 ms returned []
// Phase 1: matrix 186 rows 114 cols
[2023-03-10 22:34:28] [INFO ] Computed 1 place invariants in 5 ms
[2023-03-10 22:34:28] [INFO ] Dead Transitions using invariants and state equation in 227 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 114/151 places, 186/151 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 311 ms. Remains : 114/151 places, 186/151 transitions.
Built C files in :
/tmp/ltsmin18376226721719142899
[2023-03-10 22:34:28] [INFO ] Built C files in 14ms conformant to PINS (ltsmin variant)in folder :/tmp/ltsmin18376226721719142899
Running compilation step : cd /tmp/ltsmin18376226721719142899;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/limit_time.pl' '3' 'gcc' '-c' '-I/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/include/' '-I.' '-std=c99' '-fPIC' '-O0' 'model.c'
Compilation finished in 633 ms.
Running link step : cd /tmp/ltsmin18376226721719142899;'gcc' '-shared' '-o' 'gal.so' 'model.o'
Link finished in 58 ms.
Running LTSmin : cd /tmp/ltsmin18376226721719142899;'/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.move.gal.ltsmin.binaries_1.0.0.202303021504/bin/pins2lts-mc-linux64' './gal.so' '--threads=8' '--when' '--hoa' '/tmp/stateBased13480509496246007806.hoa' '--buchi-type=spotba'
LTSmin run took 1571 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-01 TRUE TECHNIQUES EXPLICIT LTSMIN SAT_SMT
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-01 finished in 9860 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(p0))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Graph (complete) has 486 edges and 152 vertex of which 114 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.1 ms
Discarding 38 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Performed 36 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 36 Pre rules applied. Total rules applied 1 place count 114 transition count 114
Deduced a syphon composed of 36 places in 0 ms
Reduce places removed 36 places and 0 transitions.
Iterating global reduction 0 with 72 rules applied. Total rules applied 73 place count 78 transition count 114
Applied a total of 73 rules in 16 ms. Remains 78 /152 variables (removed 74) and now considering 114/151 (removed 37) transitions.
// Phase 1: matrix 114 rows 78 cols
[2023-03-10 22:34:30] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-10 22:34:30] [INFO ] Implicit Places using invariants in 51 ms returned []
[2023-03-10 22:34:30] [INFO ] Invariant cache hit.
[2023-03-10 22:34:30] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:30] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2023-03-10 22:34:30] [INFO ] Redundant transitions in 3 ms returned []
[2023-03-10 22:34:30] [INFO ] Invariant cache hit.
[2023-03-10 22:34:31] [INFO ] Dead Transitions using invariants and state equation in 94 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 78/152 places, 114/151 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 288 ms. Remains : 78/152 places, 114/151 transitions.
Stuttering acceptance computed with spot in 36 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s66 1) (EQ s74 1) (EQ s77 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]]
Product exploration explored 100000 steps with 50000 reset in 577 ms.
Product exploration explored 100000 steps with 50000 reset in 565 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(NOT p0), (X p0), (X (X (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 63 ms. Reduced automaton from 1 states, 1 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA GPUForwardProgress-PT-36a-LTLFireability-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-02 finished in 1550 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(((F(G(p0)) U p0)&&X(G((X(G(p2))&&p1)))))'
Support contains 4 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 3 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
// Phase 1: matrix 151 rows 151 cols
[2023-03-10 22:34:32] [INFO ] Computed 37 place invariants in 2 ms
[2023-03-10 22:34:32] [INFO ] Implicit Places using invariants in 138 ms returned []
[2023-03-10 22:34:32] [INFO ] Invariant cache hit.
[2023-03-10 22:34:32] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:32] [INFO ] Implicit Places using invariants and state equation in 285 ms returned []
Implicit Place search using SMT with State Equation took 426 ms to find 0 implicit places.
[2023-03-10 22:34:32] [INFO ] Invariant cache hit.
[2023-03-10 22:34:33] [INFO ] Dead Transitions using invariants and state equation in 245 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 691 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 234 ms :[(OR (NOT p1) (NOT p2) (NOT p0)), (NOT p0), (OR (NOT p1) (NOT p2)), true, (NOT p2)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={} source=2 dest: 3}, { cond=p1, acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={} source=4 dest: 3}, { cond=p2, acceptance={} source=4 dest: 4}]], initial=0, aps=[p0:(AND (EQ s48 1) (EQ s146 1) (EQ s150 1)), p1:(AND (EQ s48 1) (EQ s146 1) (EQ s150 1)), p2:(EQ s149 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Stuttering criterion allowed to conclude after 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-03 finished in 951 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(G((!p1&&F(p2))))))'
Support contains 5 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 5 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
[2023-03-10 22:34:33] [INFO ] Invariant cache hit.
[2023-03-10 22:34:33] [INFO ] Implicit Places using invariants in 162 ms returned []
[2023-03-10 22:34:33] [INFO ] Invariant cache hit.
[2023-03-10 22:34:33] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:33] [INFO ] Implicit Places using invariants and state equation in 326 ms returned []
Implicit Place search using SMT with State Equation took 492 ms to find 0 implicit places.
[2023-03-10 22:34:33] [INFO ] Invariant cache hit.
[2023-03-10 22:34:34] [INFO ] Dead Transitions using invariants and state equation in 193 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 694 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 200 ms :[(OR (NOT p2) p1), (OR (NOT p2) p1), (OR (NOT p2) p1), true, (NOT p2)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=p0, acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={} source=1 dest: 1}, { cond=p1, acceptance={} source=1 dest: 3}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 4}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND p0 p1), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=2 dest: 4}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=(NOT p2), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(EQ s51 1), p1:(AND (EQ s22 1) (EQ s146 1) (EQ s150 1)), p2:(OR (NEQ s51 1) (NOT (AND (EQ s28 1) (EQ s146 1) (EQ s150 1))))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1078 steps with 4 reset in 21 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-04 finished in 942 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((X(G(p0))&&(G(F(p1))||(F(p1)&&F(!p2)))))'
Support contains 6 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 5 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
[2023-03-10 22:34:34] [INFO ] Invariant cache hit.
[2023-03-10 22:34:34] [INFO ] Implicit Places using invariants in 134 ms returned []
[2023-03-10 22:34:34] [INFO ] Invariant cache hit.
[2023-03-10 22:34:34] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:34] [INFO ] Implicit Places using invariants and state equation in 251 ms returned []
Implicit Place search using SMT with State Equation took 388 ms to find 0 implicit places.
[2023-03-10 22:34:34] [INFO ] Invariant cache hit.
[2023-03-10 22:34:34] [INFO ] Dead Transitions using invariants and state equation in 200 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 594 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 228 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1), (AND p2 (NOT p1)), true, (AND (NOT p1) p2)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}, { cond=p2, acceptance={} source=0 dest: 3}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=2 dest: 2}], [{ cond=p2, acceptance={} source=3 dest: 3}, { cond=(AND (NOT p1) p2), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p1) p2), acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(NEQ s90 1), p2:(AND (EQ s78 1) (EQ s146 1) (EQ s150 1)), p0:(AND (EQ s36 1) (EQ s146 1) (EQ s150 1) (EQ s22 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, 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 GPUForwardProgress-PT-36a-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-05 finished in 844 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 3 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Graph (complete) has 486 edges and 152 vertex of which 114 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.2 ms
Discarding 38 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 35 Pre rules applied. Total rules applied 1 place count 114 transition count 115
Deduced a syphon composed of 35 places in 1 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 0 with 70 rules applied. Total rules applied 71 place count 79 transition count 115
Applied a total of 71 rules in 20 ms. Remains 79 /152 variables (removed 73) and now considering 115/151 (removed 36) transitions.
// Phase 1: matrix 115 rows 79 cols
[2023-03-10 22:34:35] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-10 22:34:35] [INFO ] Implicit Places using invariants in 66 ms returned []
[2023-03-10 22:34:35] [INFO ] Invariant cache hit.
[2023-03-10 22:34:35] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:35] [INFO ] Implicit Places using invariants and state equation in 294 ms returned []
Implicit Place search using SMT with State Equation took 365 ms to find 0 implicit places.
[2023-03-10 22:34:35] [INFO ] Redundant transitions in 5 ms returned []
[2023-03-10 22:34:35] [INFO ] Invariant cache hit.
[2023-03-10 22:34:35] [INFO ] Dead Transitions using invariants and state equation in 137 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 79/152 places, 115/151 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 548 ms. Remains : 79/152 places, 115/151 transitions.
Stuttering acceptance computed with spot in 35 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-06 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (EQ s35 1) (EQ s75 1) (EQ s78 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 0 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-06 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-06 finished in 598 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(((p0 U p1)||(!p2 U (p3||G(!p2))))))'
Support contains 6 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 3 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
// Phase 1: matrix 151 rows 151 cols
[2023-03-10 22:34:35] [INFO ] Computed 37 place invariants in 1 ms
[2023-03-10 22:34:35] [INFO ] Implicit Places using invariants in 136 ms returned []
[2023-03-10 22:34:35] [INFO ] Invariant cache hit.
[2023-03-10 22:34:35] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:36] [INFO ] Implicit Places using invariants and state equation in 249 ms returned []
Implicit Place search using SMT with State Equation took 387 ms to find 0 implicit places.
[2023-03-10 22:34:36] [INFO ] Invariant cache hit.
[2023-03-10 22:34:36] [INFO ] Dead Transitions using invariants and state equation in 192 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 584 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 221 ms :[true, (NOT p1), (AND (NOT p1) p2 (NOT p3)), (AND (NOT p3) p2), (AND (NOT p1) p2 (NOT p3))]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 4}], [{ cond=(AND (NOT p3) p2), acceptance={} source=3 dest: 0}, { cond=(AND (NOT p3) (NOT p2)), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p0) (NOT p3) p2), acceptance={} source=4 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p3) p2), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) (NOT p0) (NOT p3) (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(AND (NOT p1) p0 (NOT p3) (NOT p2)), acceptance={} source=4 dest: 4}]], initial=2, aps=[p1:(EQ s110 1), p0:(EQ s145 1), p3:(AND (NOT (AND (EQ s120 1) (EQ s146 1) (EQ s150 1))) (NOT (AND (EQ s40 1) (EQ s146 1) (EQ s150 1)))), p2:(AND (EQ s40 1...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-07 finished in 823 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F(G(p1)))))'
Support contains 2 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Graph (complete) has 486 edges and 152 vertex of which 114 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.2 ms
Discarding 38 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 35 Pre rules applied. Total rules applied 1 place count 113 transition count 114
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 0 with 70 rules applied. Total rules applied 71 place count 78 transition count 114
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 73 place count 77 transition count 113
Applied a total of 73 rules in 28 ms. Remains 77 /152 variables (removed 75) and now considering 113/151 (removed 38) transitions.
// Phase 1: matrix 113 rows 77 cols
[2023-03-10 22:34:36] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-10 22:34:36] [INFO ] Implicit Places using invariants in 88 ms returned []
[2023-03-10 22:34:36] [INFO ] Invariant cache hit.
[2023-03-10 22:34:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 22:34:36] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 238 ms to find 0 implicit places.
[2023-03-10 22:34:36] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-10 22:34:36] [INFO ] Invariant cache hit.
[2023-03-10 22:34:36] [INFO ] Dead Transitions using invariants and state equation in 159 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 77/152 places, 113/151 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 436 ms. Remains : 77/152 places, 113/151 transitions.
Stuttering acceptance computed with spot in 136 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=p1, acceptance={} source=2 dest: 2}, { cond=(NOT p1), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(EQ s46 0), p1:(EQ s73 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-08 finished in 590 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F((p0||G(p1))))'
Support contains 39 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Reduce places removed 1 places and 1 transitions.
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 35 Pre rules applied. Total rules applied 0 place count 151 transition count 115
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 0 with 70 rules applied. Total rules applied 70 place count 116 transition count 115
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 72 place count 115 transition count 114
Applied a total of 72 rules in 15 ms. Remains 115 /152 variables (removed 37) and now considering 114/151 (removed 37) transitions.
// Phase 1: matrix 114 rows 115 cols
[2023-03-10 22:34:37] [INFO ] Computed 38 place invariants in 1 ms
[2023-03-10 22:34:37] [INFO ] Implicit Places using invariants in 120 ms returned []
[2023-03-10 22:34:37] [INFO ] Invariant cache hit.
[2023-03-10 22:34:37] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 22:34:37] [INFO ] Implicit Places using invariants and state equation in 505 ms returned []
Implicit Place search using SMT with State Equation took 628 ms to find 0 implicit places.
[2023-03-10 22:34:37] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-10 22:34:37] [INFO ] Invariant cache hit.
[2023-03-10 22:34:37] [INFO ] Dead Transitions using invariants and state equation in 168 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 115/152 places, 114/151 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 821 ms. Remains : 115/152 places, 114/151 transitions.
Stuttering acceptance computed with spot in 41 ms :[(AND (NOT p1) (NOT p0))]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p1:(EQ s92 1), p0:(AND (EQ s0 1) (EQ s3 1) (EQ s6 1) (EQ s9 1) (EQ s12 1) (EQ s15 1) (EQ s18 1) (EQ s21 1) (EQ s24 1) (EQ s27 1) (EQ s30 1) (EQ s33 1) (EQ...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-09 finished in 886 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((F(p0)||G((p0||F(p1)))))'
Support contains 2 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Graph (complete) has 486 edges and 152 vertex of which 114 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.1 ms
Discarding 38 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Performed 34 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 34 Pre rules applied. Total rules applied 1 place count 113 transition count 115
Deduced a syphon composed of 34 places in 0 ms
Reduce places removed 34 places and 0 transitions.
Iterating global reduction 0 with 68 rules applied. Total rules applied 69 place count 79 transition count 115
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 71 place count 78 transition count 114
Applied a total of 71 rules in 12 ms. Remains 78 /152 variables (removed 74) and now considering 114/151 (removed 37) transitions.
// Phase 1: matrix 114 rows 78 cols
[2023-03-10 22:34:38] [INFO ] Computed 1 place invariants in 1 ms
[2023-03-10 22:34:38] [INFO ] Implicit Places using invariants in 72 ms returned []
[2023-03-10 22:34:38] [INFO ] Invariant cache hit.
[2023-03-10 22:34:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 22:34:38] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 226 ms to find 0 implicit places.
[2023-03-10 22:34:38] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-10 22:34:38] [INFO ] Invariant cache hit.
[2023-03-10 22:34:38] [INFO ] Dead Transitions using invariants and state equation in 108 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 78/152 places, 114/151 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 353 ms. Remains : 78/152 places, 114/151 transitions.
Stuttering acceptance computed with spot in 95 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=(NOT p0), 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}]], initial=0, aps=[p0:(EQ s62 1), p1:(EQ s29 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Stuttering criterion allowed to conclude after 1 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-10 finished in 469 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Graph (complete) has 486 edges and 152 vertex of which 114 are kept as prefixes of interest. Removing 38 places using SCC suffix rule.1 ms
Discarding 38 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Performed 35 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 35 Pre rules applied. Total rules applied 1 place count 113 transition count 114
Deduced a syphon composed of 35 places in 0 ms
Reduce places removed 35 places and 0 transitions.
Iterating global reduction 0 with 70 rules applied. Total rules applied 71 place count 78 transition count 114
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 73 place count 77 transition count 113
Applied a total of 73 rules in 12 ms. Remains 77 /152 variables (removed 75) and now considering 113/151 (removed 38) transitions.
// Phase 1: matrix 113 rows 77 cols
[2023-03-10 22:34:38] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-10 22:34:38] [INFO ] Implicit Places using invariants in 61 ms returned []
[2023-03-10 22:34:38] [INFO ] Invariant cache hit.
[2023-03-10 22:34:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-10 22:34:38] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2023-03-10 22:34:38] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-10 22:34:38] [INFO ] Invariant cache hit.
[2023-03-10 22:34:38] [INFO ] Dead Transitions using invariants and state equation in 142 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 77/152 places, 113/151 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 344 ms. Remains : 77/152 places, 113/151 transitions.
Stuttering acceptance computed with spot in 51 ms :[(NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(EQ s59 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 1 steps with 0 reset in 1 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-11 finished in 409 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((F(p0)&&X(G(!p1)))))'
Support contains 4 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 2 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
// Phase 1: matrix 151 rows 151 cols
[2023-03-10 22:34:38] [INFO ] Computed 37 place invariants in 1 ms
[2023-03-10 22:34:39] [INFO ] Implicit Places using invariants in 200 ms returned []
[2023-03-10 22:34:39] [INFO ] Invariant cache hit.
[2023-03-10 22:34:39] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:39] [INFO ] Implicit Places using invariants and state equation in 371 ms returned []
Implicit Place search using SMT with State Equation took 577 ms to find 0 implicit places.
[2023-03-10 22:34:39] [INFO ] Invariant cache hit.
[2023-03-10 22:34:39] [INFO ] Dead Transitions using invariants and state equation in 246 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 831 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 209 ms :[p1, (OR (NOT p0) p1), (OR (NOT p0) p1), true, (OR (NOT p0) p1)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={} source=0 dest: 0}, { cond=p1, acceptance={} source=0 dest: 3}], [{ cond=p0, acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=p1, acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=4, aps=[p1:(OR (NEQ s136 1) (NEQ s146 1) (NEQ s150 1)), p0:(EQ s15 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-12 finished in 1063 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X((p0||X((G(p1) U (p0&&G(p1)))))))'
Support contains 5 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 1 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
[2023-03-10 22:34:39] [INFO ] Invariant cache hit.
[2023-03-10 22:34:40] [INFO ] Implicit Places using invariants in 181 ms returned []
[2023-03-10 22:34:40] [INFO ] Invariant cache hit.
[2023-03-10 22:34:40] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:40] [INFO ] Implicit Places using invariants and state equation in 404 ms returned []
Implicit Place search using SMT with State Equation took 586 ms to find 0 implicit places.
[2023-03-10 22:34:40] [INFO ] Invariant cache hit.
[2023-03-10 22:34:40] [INFO ] Dead Transitions using invariants and state equation in 222 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 810 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 210 ms :[(NOT p1), (NOT p0), true, (NOT p0), (OR (NOT p1) (NOT p0))]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=p1, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 4}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}], [{ cond=(AND p0 p1), acceptance={0} source=4 dest: 0}, { cond=(NOT p1), acceptance={0} source=4 dest: 2}, { cond=(AND (NOT p0) p1), acceptance={0} source=4 dest: 4}]], initial=3, aps=[p1:(OR (EQ s55 1) (AND (EQ s62 1) (EQ s146 1) (EQ s150 1))), p0:(NEQ s47 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 490 ms.
Product exploration explored 100000 steps with 50000 reset in 507 ms.
Computed a total of 1 stabilizing places and 1 stable transitions
Graph (complete) has 484 edges and 151 vertex of which 114 are kept as prefixes of interest. Removing 37 places using SCC suffix rule.3 ms
Computed a total of 1 stabilizing places and 1 stable transitions
Knowledge obtained : [(AND (NOT p1) p0), (X p0), (X (X (NOT (AND (NOT p0) p1))))]
False Knowledge obtained : [(X (X (AND p0 p1))), (X (X (NOT (AND p0 p1)))), (X (X (NOT p1))), (X (X p1))]
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 3 factoid took 147 ms. Reduced automaton from 5 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA GPUForwardProgress-PT-36a-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-13 finished in 2192 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 152 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 152/152 places, 151/151 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 151 transition count 151
Applied a total of 1 rules in 2 ms. Remains 151 /152 variables (removed 1) and now considering 151/151 (removed 0) transitions.
[2023-03-10 22:34:42] [INFO ] Invariant cache hit.
[2023-03-10 22:34:42] [INFO ] Implicit Places using invariants in 177 ms returned []
[2023-03-10 22:34:42] [INFO ] Invariant cache hit.
[2023-03-10 22:34:42] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-10 22:34:42] [INFO ] Implicit Places using invariants and state equation in 330 ms returned []
Implicit Place search using SMT with State Equation took 511 ms to find 0 implicit places.
[2023-03-10 22:34:42] [INFO ] Invariant cache hit.
[2023-03-10 22:34:42] [INFO ] Dead Transitions using invariants and state equation in 200 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 151/152 places, 151/151 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 715 ms. Remains : 151/152 places, 151/151 transitions.
Stuttering acceptance computed with spot in 99 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : GPUForwardProgress-PT-36a-LTLFireability-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(EQ s62 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 323 steps with 0 reset in 3 ms.
FORMULA GPUForwardProgress-PT-36a-LTLFireability-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property GPUForwardProgress-PT-36a-LTLFireability-15 finished in 832 ms.
All properties solved by simple procedures.
Total runtime 27484 ms.

BK_STOP 1678487684066

--------------------
content from stderr:

+ export BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
+ BINDIR=/home/mcc/BenchKit/bin//../itstools/bin//../
++ pwd
+ export MODEL=/home/mcc/execution
+ MODEL=/home/mcc/execution
+ [[ LTLFireability = StateSpace ]]
+ /home/mcc/BenchKit/bin//../itstools/bin//..//runeclipse.sh /home/mcc/execution LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600
+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../itstools/bin//..//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -its -ltsmin -greatspnpath /home/mcc/BenchKit/bin//../itstools/bin//..//greatspn/ -order META -manyOrder -smt -timeout 3600

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="GPUForwardProgress-PT-36a"
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 2-5348"
echo " Executing tool itstools"
echo " Input is GPUForwardProgress-PT-36a, 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 r197-smll-167840343800132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/GPUForwardProgress-PT-36a.tgz
mv GPUForwardProgress-PT-36a 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 '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;