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.r359-smll-167891808800316.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 lolaxred
Input is SatelliteMemory-PT-X01500Y0046, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r359-smll-167891808800316
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 484K
-rw-r--r-- 1 mcc users 7.7K Feb 26 12:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 26 12:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.3K Feb 26 12:43 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K Feb 26 12:43 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:41 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 7.2K Jan 29 11:41 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:50 LTLCardinality.txt
-rw-r--r-- 1 mcc users 27K Feb 25 16:50 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:50 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:50 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 12:52 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Feb 26 12:52 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.9K Feb 26 12:51 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 57K Feb 26 12:51 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 16:50 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:50 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 12 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rwxr-xr-x 1 mcc users 5.5K Mar 5 18:23 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 SatelliteMemory-PT-X01500Y0046-LTLFireability-00
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-01
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-02
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-03
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-04
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-05
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-06
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-07
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-08
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-09
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-10
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-11
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-12
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-13
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-14
FORMULA_NAME SatelliteMemory-PT-X01500Y0046-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1679070862889

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=SatelliteMemory-PT-X01500Y0046
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-17 16:34:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-17 16:34:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-17 16:34:26] [INFO ] Load time of PNML (sax parser for PT used): 33 ms
[2023-03-17 16:34:26] [INFO ] Transformed 13 places.
[2023-03-17 16:34:26] [INFO ] Transformed 10 transitions.
[2023-03-17 16:34:26] [INFO ] Parsed PT model containing 13 places and 10 transitions and 40 arcs in 145 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 1 formulas.
Reduce places removed 1 places and 0 transitions.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 12 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 12 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
// Phase 1: matrix 10 rows 12 cols
[2023-03-17 16:34:26] [INFO ] Computed 6 place invariants in 4 ms
[2023-03-17 16:34:26] [INFO ] Dead Transitions using invariants and state equation in 170 ms found 0 transitions.
[2023-03-17 16:34:26] [INFO ] Invariant cache hit.
[2023-03-17 16:34:26] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-17 16:34:26] [INFO ] Invariant cache hit.
[2023-03-17 16:34:26] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:26] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-17 16:34:26] [INFO ] Invariant cache hit.
[2023-03-17 16:34:26] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 335 ms. Remains : 12/12 places, 10/10 transitions.
Support contains 12 out of 12 places after structural reductions.
[2023-03-17 16:34:27] [INFO ] Flatten gal took : 31 ms
[2023-03-17 16:34:27] [INFO ] Flatten gal took : 10 ms
[2023-03-17 16:34:27] [INFO ] Input system was already deterministic with 10 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 747 ms. (steps per millisecond=13 ) properties (out of 14) seen :11
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 137 ms. (steps per millisecond=73 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 137 ms. (steps per millisecond=73 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 120 ms. (steps per millisecond=83 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-17 16:34:28] [INFO ] Invariant cache hit.
[2023-03-17 16:34:28] [INFO ] [Real]Absence check using 6 positive place invariants in 5 ms returned sat
[2023-03-17 16:34:28] [INFO ] After 120ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-17 16:34:28] [INFO ] [Nat]Absence check using 6 positive place invariants in 4 ms returned sat
[2023-03-17 16:34:28] [INFO ] After 35ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-17 16:34:28] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:28] [INFO ] After 20ms SMT Verify possible using 1 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-17 16:34:28] [INFO ] After 46ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 24 ms.
[2023-03-17 16:34:28] [INFO ] After 173ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Finished Parikh walk after 8820 steps, including 0 resets, run visited all 3 properties in 162 ms. (steps per millisecond=54 )
Parikh walk visited 3 properties in 163 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
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 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Graph (trivial) has 2 edges and 12 vertex of which 2 / 12 are part of one of the 1 SCC in 3 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Reduce places removed 1 places and 0 transitions.
Applied a total of 1 rules in 10 ms. Remains 10 /12 variables (removed 2) and now considering 9/10 (removed 1) transitions.
// Phase 1: matrix 9 rows 10 cols
[2023-03-17 16:34:29] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-17 16:34:29] [INFO ] Dead Transitions using invariants and state equation in 46 ms found 0 transitions.
[2023-03-17 16:34:29] [INFO ] Invariant cache hit.
[2023-03-17 16:34:29] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-17 16:34:29] [INFO ] Invariant cache hit.
[2023-03-17 16:34:29] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:29] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
[2023-03-17 16:34:29] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:29] [INFO ] Invariant cache hit.
[2023-03-17 16:34:29] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/12 places, 9/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 193 ms. Remains : 10/12 places, 9/10 transitions.
Stuttering acceptance computed with spot in 256 ms :[(NOT p0)]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-00 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(OR (LT s3 1) (LT s5 1) (LT s6 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 0 steps with 0 reset in 2 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-00 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-00 finished in 540 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(G(p0))))'
Support contains 2 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
// Phase 1: matrix 10 rows 12 cols
[2023-03-17 16:34:30] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-17 16:34:30] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] Implicit Places using invariants in 45 ms returned []
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:30] [INFO ] Implicit Places using invariants and state equation in 59 ms returned []
Implicit Place search using SMT with State Equation took 107 ms to find 0 implicit places.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] Dead Transitions using invariants and state equation in 44 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 203 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 179 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(NOT p0), acceptance={} source=1 dest: 0}, { cond=p0, acceptance={} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}]], initial=3, aps=[p0:(AND (GEQ s0 1) (GEQ s8 1))], 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, null][false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-01 finished in 404 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((X(p1)||p0)))'
Support contains 6 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] Dead Transitions using invariants and state equation in 51 ms found 0 transitions.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] Implicit Places using invariants in 46 ms returned []
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:30] [INFO ] Implicit Places using invariants and state equation in 47 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 197 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 166 ms :[true, (AND (NOT p0) (NOT p1)), (NOT p1)]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-02 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=p0, acceptance={} source=1 dest: 1}, { cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p1), acceptance={} source=2 dest: 0}, { cond=(AND p0 p1), acceptance={} source=2 dest: 1}, { cond=(AND (NOT p0) p1), acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(OR (AND (GEQ s3 1408) (GEQ s5 1408)) (AND (GEQ s3 1) (GEQ s9 1))), p1:(AND (GEQ s1 1) (GEQ s3 1) (GEQ s7 1) (GEQ s10 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-02 finished in 386 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((p0 U (p1 U G(!p1))))))'
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] Dead Transitions using invariants and state equation in 48 ms found 0 transitions.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] Implicit Places using invariants in 34 ms returned []
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:30] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:30] [INFO ] Implicit Places using invariants and state equation in 61 ms returned []
Implicit Place search using SMT with State Equation took 97 ms to find 0 implicit places.
[2023-03-17 16:34:30] [INFO ] Invariant cache hit.
[2023-03-17 16:34:31] [INFO ] Dead Transitions using invariants and state equation in 50 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 199 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 369 ms :[p1, p1, p1, p1, p1, true]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(AND (NOT p1) p0), acceptance={} source=2 dest: 2}, { cond=(AND p1 p0), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=2 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={} source=3 dest: 3}, { cond=p1, acceptance={} source=3 dest: 5}], [{ cond=(NOT p1), acceptance={} source=4 dest: 3}, { cond=p1, acceptance={0} source=4 dest: 4}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p1:(GEQ s7 1), p0:(AND (GEQ s0 1) (GEQ s8 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 7 steps with 0 reset in 1 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-03 finished in 596 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)) U (X(G((!p0 U p2)))&&p1)))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Graph (trivial) has 2 edges and 12 vertex of which 2 / 12 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Reduce places removed 1 places and 0 transitions.
Applied a total of 1 rules in 3 ms. Remains 10 /12 variables (removed 2) and now considering 9/10 (removed 1) transitions.
// Phase 1: matrix 9 rows 10 cols
[2023-03-17 16:34:31] [INFO ] Computed 5 place invariants in 0 ms
[2023-03-17 16:34:31] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
[2023-03-17 16:34:31] [INFO ] Invariant cache hit.
[2023-03-17 16:34:31] [INFO ] Implicit Places using invariants in 41 ms returned []
[2023-03-17 16:34:31] [INFO ] Invariant cache hit.
[2023-03-17 16:34:31] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:31] [INFO ] Implicit Places using invariants and state equation in 44 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2023-03-17 16:34:31] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:31] [INFO ] Invariant cache hit.
[2023-03-17 16:34:31] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/12 places, 9/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 204 ms. Remains : 10/12 places, 9/10 transitions.
Stuttering acceptance computed with spot in 265 ms :[(OR (NOT p1) (NOT p2)), (NOT p0), (NOT p2), (NOT p2)]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-04 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}, { cond=p1, acceptance={0} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=2 dest: 1}, { cond=(OR (NOT p0) p2), acceptance={} source=2 dest: 2}, { cond=(AND p1 p0 (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=2 dest: 3}], [{ cond=(AND (NOT p1) p0 (NOT p2)), acceptance={0} source=3 dest: 0}, { cond=(AND (NOT p1) p0 (NOT p2)), acceptance={} source=3 dest: 1}, { cond=(AND p1 p0 (NOT p2)), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p2)), acceptance={0} source=3 dest: 3}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s5 1) (GEQ s6 1)), p0:(OR (LT s3 1) (LT s5 1) (LT s6 1)), p2:(AND (GEQ s0 1) (GEQ s6 1))], nbAcceptance=1, 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 0 steps with 0 reset in 1 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-04 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-04 finished in 500 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 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Graph (trivial) has 2 edges and 12 vertex of which 2 / 12 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Reduce places removed 1 places and 0 transitions.
Applied a total of 1 rules in 4 ms. Remains 10 /12 variables (removed 2) and now considering 9/10 (removed 1) transitions.
[2023-03-17 16:34:31] [INFO ] Invariant cache hit.
[2023-03-17 16:34:31] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
[2023-03-17 16:34:31] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] Implicit Places using invariants in 39 ms returned []
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:32] [INFO ] Implicit Places using invariants and state equation in 54 ms returned []
Implicit Place search using SMT with State Equation took 96 ms to find 0 implicit places.
[2023-03-17 16:34:32] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/12 places, 9/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 187 ms. Remains : 10/12 places, 9/10 transitions.
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-05 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LT s4 1500)], 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 8975 steps with 0 reset in 134 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-05 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-05 finished in 398 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(((p0||F(p1))&&(p2||X(G(!p2))))))'
Support contains 7 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 2 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
// Phase 1: matrix 10 rows 12 cols
[2023-03-17 16:34:32] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-17 16:34:32] [INFO ] Dead Transitions using invariants and state equation in 38 ms found 0 transitions.
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] Implicit Places using invariants in 31 ms returned []
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:32] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 79 ms to find 0 implicit places.
[2023-03-17 16:34:32] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 163 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 186 ms :[(AND (NOT p0) (NOT p1)), (NOT p1), p2, true]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p2), acceptance={} source=0 dest: 2}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}], [{ cond=p2, acceptance={} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=0, aps=[p0:(AND (GEQ s1 1) (GEQ s3 1) (GEQ s7 1) (GEQ s10 1)), p1:(AND (GEQ s3 1) (GEQ s9 1)), p2:(AND (GEQ s0 1) (GEQ s8 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][true, true, true, true]]
Entered a terminal (fully accepting) state of product in 10 steps with 2 reset in 1 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-07 finished in 379 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 (G(p1)||(X(G(!p0))&&p2))))'
Support contains 5 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:32] [INFO ] Implicit Places using invariants and state equation in 43 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-17 16:34:32] [INFO ] Invariant cache hit.
[2023-03-17 16:34:32] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 162 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 277 ms :[(OR (AND (NOT p1) (NOT p2)) (AND p0 (NOT p1))), true, (NOT p1), p0, (AND p0 (NOT p1)), (AND (NOT p1) p0)]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-08 automaton TGBA Formula[mat=[[{ cond=(AND p1 (NOT p2) (NOT p0)), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p2) (NOT p0)), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=0 dest: 1}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=0 dest: 2}, { cond=(AND (NOT p1) p2 p0), acceptance={} source=0 dest: 3}, { cond=(AND p2 (NOT p0)), acceptance={} source=0 dest: 4}, { cond=(AND p1 p2 p0), acceptance={} source=0 dest: 5}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=p1, acceptance={} source=2 dest: 2}], [{ cond=p0, acceptance={} source=3 dest: 1}, { cond=(NOT p0), acceptance={} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2) p0), acceptance={} source=4 dest: 1}, { cond=(AND p1 (NOT p2) p0), acceptance={} source=4 dest: 2}, { cond=(AND (NOT p1) p2 p0), acceptance={} source=4 dest: 3}, { cond=(NOT p0), acceptance={} source=4 dest: 4}, { cond=(AND p1 p2 p0), acceptance={} source=4 dest: 5}], [{ cond=(AND (NOT p1) p0), acceptance={} source=5 dest: 1}, { cond=(AND p1 p0), acceptance={} source=5 dest: 2}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=5 dest: 3}, { cond=(AND p1 (NOT p0)), acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(AND (GEQ s3 1) (GEQ s9 1)), p2:(AND (GEQ s3 1) (GEQ s9 1)), p0:(OR (LT s4 1) (LT s6 1) (LT s8 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 6 steps with 0 reset in 0 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-08 finished in 471 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((p0 U !p1))))'
Support contains 4 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 0 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:33] [INFO ] Invariant cache hit.
[2023-03-17 16:34:33] [INFO ] Dead Transitions using invariants and state equation in 30 ms found 0 transitions.
[2023-03-17 16:34:33] [INFO ] Invariant cache hit.
[2023-03-17 16:34:33] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-17 16:34:33] [INFO ] Invariant cache hit.
[2023-03-17 16:34:33] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:33] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 85 ms to find 0 implicit places.
[2023-03-17 16:34:33] [INFO ] Invariant cache hit.
[2023-03-17 16:34:33] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 149 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 162 ms :[p1, p1, true, p1]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-09 automaton TGBA Formula[mat=[[{ cond=(AND p1 p0), acceptance={0} source=0 dest: 0}, { cond=(AND p1 (NOT p0)), acceptance={0} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 1}]], initial=3, aps=[p1:(OR (LT s4 1) (LT s6 1) (LT s8 1)), p0:(AND (GEQ s0 1) (GEQ s8 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 24982 reset in 411 ms.
Stack based approach found an accepted trace after 22 steps with 6 reset with depth 4 and stack size 4 in 1 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-09 FALSE TECHNIQUES STACK_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-09 finished in 749 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 1 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Graph (trivial) has 2 edges and 12 vertex of which 2 / 12 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Reduce places removed 1 places and 0 transitions.
Applied a total of 1 rules in 3 ms. Remains 10 /12 variables (removed 2) and now considering 9/10 (removed 1) transitions.
// Phase 1: matrix 9 rows 10 cols
[2023-03-17 16:34:33] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-17 16:34:33] [INFO ] Dead Transitions using invariants and state equation in 32 ms found 0 transitions.
[2023-03-17 16:34:33] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Implicit Places using invariants in 37 ms returned []
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:34] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 92 ms to find 0 implicit places.
[2023-03-17 16:34:34] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/12 places, 9/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 171 ms. Remains : 10/12 places, 9/10 transitions.
Stuttering acceptance computed with spot in 41 ms :[p0]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-10 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(LT s4 1500)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-10 finished in 234 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 2 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Graph (trivial) has 2 edges and 12 vertex of which 2 / 12 are part of one of the 1 SCC in 0 ms
Free SCC test removed 1 places
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Reduce places removed 1 places and 0 transitions.
Applied a total of 1 rules in 3 ms. Remains 10 /12 variables (removed 2) and now considering 9/10 (removed 1) transitions.
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Dead Transitions using invariants and state equation in 37 ms found 0 transitions.
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Implicit Places using invariants in 32 ms returned []
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:34] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 76 ms to find 0 implicit places.
[2023-03-17 16:34:34] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 10/12 places, 9/10 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 161 ms. Remains : 10/12 places, 9/10 transitions.
Stuttering acceptance computed with spot in 47 ms :[(NOT p0)]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-11 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(AND (GEQ s2 1) (GEQ s7 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, colored, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 0 steps with 0 reset in 0 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-11 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-11 finished in 222 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||X(p1)))||G(p2))))'
Support contains 6 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 2 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
// Phase 1: matrix 10 rows 12 cols
[2023-03-17 16:34:34] [INFO ] Computed 6 place invariants in 1 ms
[2023-03-17 16:34:34] [INFO ] Dead Transitions using invariants and state equation in 40 ms found 0 transitions.
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:34] [INFO ] Implicit Places using invariants and state equation in 51 ms returned []
Implicit Place search using SMT with State Equation took 83 ms to find 0 implicit places.
[2023-03-17 16:34:34] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 172 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 105 ms :[(AND (NOT p0) (NOT p2) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-12 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p2)), acceptance={} source=0 dest: 1}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(AND (GEQ s3 1408) (GEQ s5 1408)), p2:(AND (GEQ s5 1500) (GEQ s1 1) (GEQ s3 1) (GEQ s7 1) (GEQ s10 1)), p1:(GEQ s11 1500)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 245 reset in 222 ms.
Stack based approach found an accepted trace after 5 steps with 0 reset with depth 6 and stack size 6 in 0 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-12 FALSE TECHNIQUES STACK_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-12 finished in 527 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((X(X(G(p1))) U (p0&&X(X(G(p1)))))))))'
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Dead Transitions using invariants and state equation in 43 ms found 0 transitions.
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:34] [INFO ] Implicit Places using invariants in 30 ms returned []
[2023-03-17 16:34:34] [INFO ] Invariant cache hit.
[2023-03-17 16:34:35] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:35] [INFO ] Implicit Places using invariants and state equation in 50 ms returned []
Implicit Place search using SMT with State Equation took 82 ms to find 0 implicit places.
[2023-03-17 16:34:35] [INFO ] Invariant cache hit.
[2023-03-17 16:34:35] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 163 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 293 ms :[(NOT p0), (NOT p0), (OR (NOT p1) (NOT p0)), (NOT p1), (NOT p1), true]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}, { cond=true, acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={} source=3 dest: 4}], [{ cond=p1, acceptance={} source=4 dest: 4}, { cond=(NOT p1), acceptance={} source=4 dest: 5}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=0, aps=[p0:(LT s5 1500), p1:(AND (GEQ s0 1) (GEQ s8 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]]
Product exploration explored 100000 steps with 50000 reset in 215 ms.
Product exploration explored 100000 steps with 50000 reset in 336 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND p0 (NOT p1)), (X p0), true, (X (X p0))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 4 factoid took 93 ms. Reduced automaton from 6 states, 8 edges and 2 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-13 TRUE TECHNIQUES KNOWLEDGE
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-13 finished in 1133 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)&&X(G(p2)))))'
Support contains 8 out of 12 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] Dead Transitions using invariants and state equation in 35 ms found 0 transitions.
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] Implicit Places using invariants in 26 ms returned []
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:36] [INFO ] Implicit Places using invariants and state equation in 36 ms returned []
Implicit Place search using SMT with State Equation took 64 ms to find 0 implicit places.
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 136 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 238 ms :[(NOT p2), (OR (NOT p2) (NOT p1)), (OR (NOT p1) (NOT p2)), true, (OR (NOT p1) (NOT p2))]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-14 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 3}], [{ cond=p1, acceptance={} source=1 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p1) p0), acceptance={} source=1 dest: 3}], [{ cond=(AND p1 p2), acceptance={0} source=2 dest: 0}, { cond=(AND (NOT p1) (NOT p0) p2), acceptance={0} source=2 dest: 2}, { cond=(OR (AND (NOT p1) p0) (NOT p2)), acceptance={0} source=2 dest: 3}], [{ cond=true, acceptance={0} source=3 dest: 3}], [{ cond=true, acceptance={} source=4 dest: 1}]], initial=4, aps=[p2:(OR (AND (GEQ s0 1) (GEQ s8 1)) (AND (GEQ s1 1) (GEQ s3 1) (GEQ s7 1) (GEQ s10 1))), p1:(AND (GEQ s3 1) (GEQ s9 1)), p0:(LT s5 1500)], 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 1 steps with 0 reset in 0 ms.
FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-14 finished in 466 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(F(p1)))))'
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] Dead Transitions using invariants and state equation in 33 ms found 0 transitions.
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] Implicit Places using invariants in 36 ms returned []
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:36] [INFO ] Implicit Places using invariants and state equation in 40 ms returned []
Implicit Place search using SMT with State Equation took 78 ms to find 0 implicit places.
[2023-03-17 16:34:36] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:36] [INFO ] Invariant cache hit.
[2023-03-17 16:34:36] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 157 ms. Remains : 12/12 places, 10/10 transitions.
Stuttering acceptance computed with spot in 115 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Running random walk in product with property : SatelliteMemory-PT-X01500Y0046-LTLFireability-15 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:(AND (GEQ s0 1) (GEQ s8 1)), p1:(GEQ s2 1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 36773 reset in 164 ms.
Product exploration explored 100000 steps with 36871 reset in 189 ms.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 297 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 72 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 5 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND (NOT p0) p1), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X p0)), (F p0), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 2 factoid took 253 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 76 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 81 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 1 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:37] [INFO ] Invariant cache hit.
[2023-03-17 16:34:37] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
[2023-03-17 16:34:37] [INFO ] Invariant cache hit.
[2023-03-17 16:34:38] [INFO ] Implicit Places using invariants in 33 ms returned []
[2023-03-17 16:34:38] [INFO ] Invariant cache hit.
[2023-03-17 16:34:38] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:38] [INFO ] Implicit Places using invariants and state equation in 38 ms returned []
Implicit Place search using SMT with State Equation took 73 ms to find 0 implicit places.
[2023-03-17 16:34:38] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-17 16:34:38] [INFO ] Invariant cache hit.
[2023-03-17 16:34:38] [INFO ] Dead Transitions using invariants and state equation in 34 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 151 ms. Remains : 12/12 places, 10/10 transitions.
Computed a total of 0 stabilizing places and 0 stable transitions
Computed a total of 0 stabilizing places and 0 stable transitions
Knowledge obtained : [(AND (NOT p0) p1), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X p0))]
Knowledge based reduction with 2 factoid took 279 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Finished random walk after 5 steps, including 0 resets, run visited all 2 properties in 2 ms. (steps per millisecond=2 )
Knowledge obtained : [(AND (NOT p0) p1), (X (X (NOT (AND (NOT p0) (NOT p1)))))]
False Knowledge obtained : [(X (NOT p0)), (X p0), (X (AND (NOT p0) (NOT p1))), (X (NOT (AND (NOT p0) (NOT p1)))), (X (X (NOT p0))), (X (X p0)), (F p0), (F (AND (NOT p0) (NOT p1)))]
Knowledge based reduction with 2 factoid took 342 ms. Reduced automaton from 2 states, 3 edges and 2 AP (stutter insensitive) to 2 states, 3 edges and 2 AP (stutter insensitive).
Stuttering acceptance computed with spot in 104 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 95 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Stuttering acceptance computed with spot in 90 ms :[(AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1))]
Product exploration explored 100000 steps with 36846 reset in 163 ms.
Product exploration explored 100000 steps with 36916 reset in 157 ms.
Support contains 3 out of 12 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 12/12 places, 10/10 transitions.
Applied a total of 0 rules in 3 ms. Remains 12 /12 variables (removed 0) and now considering 10/10 (removed 0) transitions.
[2023-03-17 16:34:39] [INFO ] Invariant cache hit.
[2023-03-17 16:34:39] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
[2023-03-17 16:34:39] [INFO ] Invariant cache hit.
[2023-03-17 16:34:39] [INFO ] Implicit Places using invariants in 28 ms returned []
[2023-03-17 16:34:39] [INFO ] Invariant cache hit.
[2023-03-17 16:34:39] [INFO ] State equation strengthened by 1 read => feed constraints.
[2023-03-17 16:34:39] [INFO ] Implicit Places using invariants and state equation in 45 ms returned []
Implicit Place search using SMT with State Equation took 75 ms to find 0 implicit places.
[2023-03-17 16:34:39] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-17 16:34:39] [INFO ] Invariant cache hit.
[2023-03-17 16:34:39] [INFO ] Dead Transitions using invariants and state equation in 29 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 146 ms. Remains : 12/12 places, 10/10 transitions.
Treatment of property SatelliteMemory-PT-X01500Y0046-LTLFireability-15 finished in 3165 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(F(p1)))))'
[2023-03-17 16:34:39] [INFO ] Flatten gal took : 5 ms
[2023-03-17 16:34:39] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 2 ms.
[2023-03-17 16:34:39] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 12 places, 10 transitions and 38 arcs took 0 ms.
Total runtime 13741 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT SatelliteMemory-PT-X01500Y0046
BK_EXAMINATION: LTLFireability
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/375
LTLFireability

FORMULA SatelliteMemory-PT-X01500Y0046-LTLFireability-15 TRUE TECHNIQUES COLLATERAL_PROCESSING EXPLICIT TOPOLOGICAL STATE_COMPRESSION STUBBORN_SETS USE_NUPN UNFOLDING_TO_PT

BK_STOP 1679070881006

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/375/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/375/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/375/LTLFireability.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 0.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 SatelliteMemory-PT-X01500Y0046-LTLFireability-15
lola: time limit : 3600 sec
lola: memory limit: 32 pages
lola: FINISHED task # 1 (type EXCL) for SatelliteMemory-PT-X01500Y0046-LTLFireability-15
lola: result : true
lola: markings : 6
lola: fired transitions : 6
lola: time used : 0.000000
lola: memory pages used : 1
lola: Portfolio finished: no open formulas

FINAL RESULTS
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY
SatelliteMemory-PT-X01500Y0046-LTLFireability-15: LTL true LTL model checker


Time elapsed: 1 secs. Pages in use: 1

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="SatelliteMemory-PT-X01500Y0046"
export BK_EXAMINATION="LTLFireability"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is SatelliteMemory-PT-X01500Y0046, 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 r359-smll-167891808800316"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/SatelliteMemory-PT-X01500Y0046.tgz
mv SatelliteMemory-PT-X01500Y0046 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 ;