About the Execution of LTSMin+red for HouseConstruction-PT-16000
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 1207.691 | 39339.00 | 60249.00 | 771.30 | TFTFTTTFFFFTTF?? | normal |
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.r201-smll-167840348000611.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 ltsminxred
Input is HouseConstruction-PT-16000, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r201-smll-167840348000611
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 388K
-rw-r--r-- 1 mcc users 7.3K Feb 25 13:05 CTLCardinality.txt
-rw-r--r-- 1 mcc users 79K Feb 25 13:05 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 25 13:04 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 25 13:04 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.4K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 3.5K Feb 25 16:16 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 16:16 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 16:16 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 16:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 4.8K Feb 25 13:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 35K Feb 25 13:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Feb 25 13:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Feb 25 13:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 16:16 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 16:16 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 13K 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 HouseConstruction-PT-16000-LTLCardinality-00
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-01
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-02
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-03
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-04
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-05
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-06
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-07
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-08
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-09
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-10
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-11
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-12
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-13
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-14
FORMULA_NAME HouseConstruction-PT-16000-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1678848157353
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=ltsminxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=HouseConstruction-PT-16000
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-15 02:42:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-15 02:42:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-15 02:42:40] [INFO ] Load time of PNML (sax parser for PT used): 36 ms
[2023-03-15 02:42:40] [INFO ] Transformed 26 places.
[2023-03-15 02:42:40] [INFO ] Transformed 18 transitions.
[2023-03-15 02:42:40] [INFO ] Parsed PT model containing 26 places and 18 transitions and 51 arcs in 190 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 16 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
FORMULA HouseConstruction-PT-16000-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-16000-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-16000-LTLCardinality-09 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA HouseConstruction-PT-16000-LTLCardinality-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Initial state reduction rules removed 1 formulas.
FORMULA HouseConstruction-PT-16000-LTLCardinality-13 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 21 out of 26 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 26/26 places, 18/18 transitions.
Applied a total of 0 rules in 15 ms. Remains 26 /26 variables (removed 0) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 26 cols
[2023-03-15 02:42:41] [INFO ] Computed 8 place invariants in 9 ms
[2023-03-15 02:42:41] [INFO ] Implicit Places using invariants in 216 ms returned [3, 20]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 264 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 24/26 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 24 /24 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 280 ms. Remains : 24/26 places, 18/18 transitions.
Support contains 21 out of 24 places after structural reductions.
[2023-03-15 02:42:41] [INFO ] Flatten gal took : 23 ms
[2023-03-15 02:42:41] [INFO ] Flatten gal took : 7 ms
[2023-03-15 02:42:41] [INFO ] Input system was already deterministic with 18 transitions.
Incomplete random walk after 16001 steps, including 0 resets, run finished after 28 ms. (steps per millisecond=571 ) properties (out of 21) seen :1
Incomplete Best-First random walk after 1000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=31 ) properties (out of 20) seen :11
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=10 ) properties (out of 9) seen :3
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=29 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=41 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 1001 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 5) seen :0
Running SMT prover for 5 properties.
// Phase 1: matrix 18 rows 24 cols
[2023-03-15 02:42:41] [INFO ] Computed 6 place invariants in 2 ms
[2023-03-15 02:42:41] [INFO ] [Real]Absence check using 0 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-15 02:42:41] [INFO ] After 46ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:4
[2023-03-15 02:42:42] [INFO ] After 63ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-15 02:42:42] [INFO ] After 232ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-15 02:42:42] [INFO ] [Nat]Absence check using 0 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-15 02:42:42] [INFO ] After 74ms SMT Verify possible using state equation in natural domain returned unsat :1 sat :4
[2023-03-15 02:42:42] [INFO ] After 98ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :4
Attempting to minimize the solution found.
Minimization took 45 ms.
[2023-03-15 02:42:42] [INFO ] After 204ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :4
Fused 5 Parikh solutions to 4 different solutions.
Finished Parikh walk after 16036 steps, including 0 resets, run visited all 4 properties in 394 ms. (steps per millisecond=40 )
Parikh walk visited 4 properties in 410 ms.
Successfully simplified 1 atomic propositions for a total of 11 simplifications.
FORMULA HouseConstruction-PT-16000-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 24 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 24 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
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||F(G(!p0)))))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 2 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 23 cols
[2023-03-15 02:42:42] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-15 02:42:43] [INFO ] Implicit Places using invariants in 47 ms returned [8, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 48 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 51 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 285 ms :[false, p0, false]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-00 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}, { cond=p0, acceptance={0} source=1 dest: 1}], [{ cond=true, acceptance={} source=2 dest: 0}]], initial=2, aps=[p0:(LEQ 3 s8)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 0 reset in 346 ms.
Product exploration explored 100000 steps with 0 reset in 368 ms.
Computed a total of 21 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 4 factoid took 195 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[p0]
Incomplete random walk after 16001 steps, including 0 resets, run finished after 4 ms. (steps per millisecond=4000 ) properties (out of 1) seen :0
Finished Best-First random walk after 85 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=85 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (OR (G p0) (G (NOT p0))))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 4 factoid took 189 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 2 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 39 ms :[p0]
Stuttering acceptance computed with spot in 40 ms :[p0]
Support contains 1 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Graph (complete) has 22 edges and 21 vertex of which 7 are kept as prefixes of interest. Removing 14 places using SCC suffix rule.1 ms
Discarding 14 places :
Also discarding 12 output transitions
Drop transitions removed 12 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 6 transition count 4
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 5 transition count 4
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 5 transition count 3
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 4 transition count 3
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 1 rules applied. Total rules applied 6 place count 3 transition count 3
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 6 place count 3 transition count 2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 8 place count 2 transition count 2
Applied a total of 8 rules in 2492 ms. Remains 2 /21 variables (removed 19) and now considering 2/18 (removed 16) transitions.
// Phase 1: matrix 2 rows 2 cols
[2023-03-15 02:42:47] [INFO ] Computed 0 place invariants in 1 ms
[2023-03-15 02:42:47] [INFO ] Implicit Places using invariants in 20 ms returned []
[2023-03-15 02:42:47] [INFO ] Invariant cache hit.
[2023-03-15 02:42:47] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 48 ms to find 0 implicit places.
[2023-03-15 02:42:47] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:42:47] [INFO ] Invariant cache hit.
[2023-03-15 02:42:47] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/21 places, 2/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2569 ms. Remains : 2/21 places, 2/18 transitions.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0))), (F (G (NOT p0)))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(F (G (NOT p0)))
Knowledge based reduction with 4 factoid took 110 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-16000-LTLCardinality-00 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-16000-LTLCardinality-00 finished in 4424 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)))'
Support contains 1 out of 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Graph (complete) has 28 edges and 24 vertex of which 12 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 9 output transitions
Drop transitions removed 9 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 11 transition count 7
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 10 transition count 7
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 3 place count 10 transition count 5
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 9 place count 6 transition count 5
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 9 place count 6 transition count 3
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 2 with 5 rules applied. Total rules applied 14 place count 3 transition count 3
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 14 place count 3 transition count 2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 16 place count 2 transition count 2
Applied a total of 16 rules in 2431 ms. Remains 2 /24 variables (removed 22) and now considering 2/18 (removed 16) transitions.
[2023-03-15 02:42:49] [INFO ] Invariant cache hit.
[2023-03-15 02:42:49] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-15 02:42:49] [INFO ] Invariant cache hit.
[2023-03-15 02:42:49] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 46 ms to find 0 implicit places.
[2023-03-15 02:42:49] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:42:49] [INFO ] Invariant cache hit.
[2023-03-15 02:42:49] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/24 places, 2/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2505 ms. Remains : 2/24 places, 2/18 transitions.
Stuttering acceptance computed with spot in 80 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-01 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(LEQ 1 s1)], 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 41894 steps with 216 reset in 68 ms.
FORMULA HouseConstruction-PT-16000-LTLCardinality-01 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-16000-LTLCardinality-01 finished in 2668 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 24 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Graph (complete) has 28 edges and 24 vertex of which 2 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.1 ms
Discarding 22 places :
Also discarding 16 output transitions
Drop transitions removed 16 transitions
Applied a total of 1 rules in 1 ms. Remains 2 /24 variables (removed 22) and now considering 2/18 (removed 16) transitions.
// Phase 1: matrix 2 rows 2 cols
[2023-03-15 02:42:50] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-15 02:42:50] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-15 02:42:50] [INFO ] Invariant cache hit.
[2023-03-15 02:42:50] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 51 ms to find 0 implicit places.
[2023-03-15 02:42:50] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:42:50] [INFO ] Invariant cache hit.
[2023-03-15 02:42:50] [INFO ] Dead Transitions using invariants and state equation in 20 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/24 places, 2/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 83 ms. Remains : 2/24 places, 2/18 transitions.
Stuttering acceptance computed with spot in 41 ms :[(NOT p0)]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-02 automaton TGBA Formula[mat=[[{ cond=p0, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={0} source=0 dest: 0}]], initial=0, aps=[p0:(GT 1 s1)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Product exploration explored 100000 steps with 3 reset in 137 ms.
Product exploration explored 100000 steps with 3 reset in 258 ms.
Computed a total of 2 stabilizing places and 2 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 2 transition count 2
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [p0, (X (NOT p0)), (F (G p0))]
False Knowledge obtained : [(X (X p0)), (X (X (NOT p0)))]
Property proved to be true thanks to knowledge :(F (G p0))
Knowledge based reduction with 3 factoid took 130 ms. Reduced automaton from 1 states, 2 edges and 1 AP (stutter insensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-16000-LTLCardinality-02 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-16000-LTLCardinality-02 finished in 696 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) U X(G(p1)))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 1 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 23 cols
[2023-03-15 02:42:50] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-15 02:42:50] [INFO ] Implicit Places using invariants in 35 ms returned [8, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 36 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 38 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 247 ms :[(NOT p1), (NOT p1), (NOT p1), (AND (NOT p1) (NOT p0)), true, (AND p1 (NOT p0))]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 2}], [{ cond=p1, acceptance={} source=1 dest: 1}, { cond=(NOT p1), acceptance={} source=1 dest: 4}], [{ cond=(NOT p0), acceptance={} source=2 dest: 1}, { cond=(AND p0 p1), acceptance={} source=2 dest: 2}, { cond=(AND p0 (NOT p1)), acceptance={0} source=2 dest: 2}, { cond=p0, acceptance={} source=2 dest: 3}], [{ cond=(AND (NOT p0) (NOT p1)), acceptance={} source=3 dest: 4}, { cond=(AND p0 (NOT p1)), acceptance={} source=3 dest: 5}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=(AND (NOT p0) p1), acceptance={} source=5 dest: 4}, { cond=(AND p0 p1), acceptance={} source=5 dest: 5}]], initial=0, aps=[p1:(LEQ 3 s7), p0:(GT s8 s13)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 2 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-16000-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-16000-LTLCardinality-03 finished in 306 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(G(p0))||G(F(p1))||G(p2))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 2 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
[2023-03-15 02:42:51] [INFO ] Invariant cache hit.
[2023-03-15 02:42:51] [INFO ] Implicit Places using invariants in 37 ms returned [12]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 53 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 56 ms. Remains : 22/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 169 ms :[(AND (NOT p2) (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p0) (NOT p1)), (AND (NOT p2) (NOT p0) (NOT p1))]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=p2, acceptance={} source=0 dest: 0}, { cond=(NOT p2), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p2) (NOT p0) (NOT p1)), acceptance={} source=0 dest: 2}], [{ cond=true, acceptance={} source=1 dest: 1}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=1 dest: 2}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p0) (NOT p1)), acceptance={0} source=2 dest: 2}], [{ cond=true, acceptance={} source=3 dest: 0}]], initial=3, aps=[p2:(OR (GT 1 s8) (LEQ 1 s11)), p0:(LEQ 1 s8), p1:(GT 1 s0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 0 reset in 262 ms.
Product exploration explored 100000 steps with 0 reset in 312 ms.
Computed a total of 22 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 22 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p2 (NOT p0) (NOT p1)), (X p2), (X (NOT (AND (NOT p2) (NOT p0) (NOT p1)))), (X (X p2)), true, (X (X (AND (NOT p0) (NOT p1)))), (X (X (NOT (AND p0 (NOT p1))))), (X (X (NOT (AND (NOT p2) (NOT p0) (NOT p1))))), (F (OR (G p2) (G (NOT p2)))), (F (OR (G p0) (G (NOT p0)))), (F (G p1))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(F (G p1))
Knowledge based reduction with 11 factoid took 354 ms. Reduced automaton from 4 states, 8 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-16000-LTLCardinality-04 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-16000-LTLCardinality-04 finished in 1225 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&&F(p1))))'
Support contains 3 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 2 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
[2023-03-15 02:42:52] [INFO ] Invariant cache hit.
[2023-03-15 02:42:52] [INFO ] Implicit Places using invariants in 60 ms returned [8, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 61 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 64 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 152 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=(NOT p1), acceptance={0} source=0 dest: 0}], [{ cond=(AND p0 (NOT p1)), acceptance={} source=1 dest: 0}, { cond=(NOT p0), acceptance={} source=1 dest: 3}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={0} source=3 dest: 3}]], initial=2, aps=[p1:(LEQ s19 s10), p0:(LEQ 1 s2)], 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]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-16000-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-16000-LTLCardinality-07 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' '!(X((X(X(X(G(p0)))) U (p0&&X(X(X(G(p0))))))))'
Support contains 2 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 1 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
[2023-03-15 02:42:52] [INFO ] Invariant cache hit.
[2023-03-15 02:42:52] [INFO ] Implicit Places using invariants in 42 ms returned [8, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 44 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 0 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 47 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 214 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-08 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}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={} source=5 dest: 4}]], initial=5, aps=[p0:(GT s8 s7)], 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, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 4 steps with 0 reset in 0 ms.
FORMULA HouseConstruction-PT-16000-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property HouseConstruction-PT-16000-LTLCardinality-08 finished in 277 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)&&(p1||F(p2)))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 2 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
[2023-03-15 02:42:52] [INFO ] Invariant cache hit.
[2023-03-15 02:42:52] [INFO ] Implicit Places using invariants in 53 ms returned [8]
Discarding 1 places :
Implicit Place search using SMT only with invariants took 54 ms to find 1 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 22/24 places, 18/18 transitions.
Applied a total of 0 rules in 3 ms. Remains 22 /22 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 59 ms. Remains : 22/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 184 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (NOT p2)]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-11 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=(NOT p0), acceptance={} source=1 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p0), acceptance={} source=2 dest: 2}], [{ cond=(NOT p2), acceptance={} source=3 dest: 3}]], initial=0, aps=[p0:(LEQ s11 s14), p1:(GT s0 s17), p2:(GT 3 s19)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null][false, false, false, false]]
Product exploration explored 100000 steps with 50000 reset in 120 ms.
Product exploration explored 100000 steps with 50000 reset in 90 ms.
Computed a total of 22 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 22 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1 p2), (X (NOT (AND (NOT p1) (NOT p2)))), (X p0), (X (X p2)), (X (X p0)), (F (OR (G p0) (G (NOT p0)))), (F (G (NOT p1))), (F (OR (G p2) (G (NOT p2))))]
False Knowledge obtained : []
Property proved to be true thanks to knowledge :(X p0)
Knowledge based reduction with 8 factoid took 162 ms. Reduced automaton from 4 states, 5 edges and 3 AP (stutter sensitive) to 1 states, 0 edges and 0 AP (stutter insensitive).
FORMULA HouseConstruction-PT-16000-LTLCardinality-11 TRUE TECHNIQUES KNOWLEDGE
Treatment of property HouseConstruction-PT-16000-LTLCardinality-11 finished in 711 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(X((X(p0) U p1)))))'
Support contains 1 out of 24 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Graph (complete) has 28 edges and 24 vertex of which 14 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.0 ms
Discarding 10 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Reduce places removed 1 places and 1 transitions.
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 13 transition count 9
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 12 transition count 9
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 3 place count 12 transition count 7
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 2 places
Reduce places removed 4 places and 0 transitions.
Iterating global reduction 2 with 6 rules applied. Total rules applied 9 place count 8 transition count 7
Applied a total of 9 rules in 2408 ms. Remains 8 /24 variables (removed 16) and now considering 7/18 (removed 11) transitions.
// Phase 1: matrix 7 rows 8 cols
[2023-03-15 02:42:55] [INFO ] Computed 1 place invariants in 0 ms
[2023-03-15 02:42:55] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-15 02:42:55] [INFO ] Invariant cache hit.
[2023-03-15 02:42:55] [INFO ] Implicit Places using invariants and state equation in 27 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-15 02:42:55] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 02:42:55] [INFO ] Invariant cache hit.
[2023-03-15 02:42:55] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/24 places, 7/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2499 ms. Remains : 8/24 places, 7/18 transitions.
Stuttering acceptance computed with spot in 82 ms :[(NOT p1), (NOT p1)]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p1), acceptance={} source=0 dest: 1}], [{ cond=(NOT p1), acceptance={0} source=1 dest: 1}]], initial=0, aps=[p1:(LEQ 1 s7)], 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 7400 reset in 76 ms.
Product exploration explored 100000 steps with 7392 reset in 84 ms.
Computed a total of 8 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 222 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 16001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=3200 ) properties (out of 1) seen :0
Finished Best-First random walk after 99 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=99 )
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 185 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 94 ms :[(NOT p1), (NOT p1)]
[2023-03-15 02:42:56] [INFO ] Invariant cache hit.
[2023-03-15 02:42:56] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 02:42:56] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 02:42:57] [INFO ] [Real]Absence check using state equation in 8 ms returned sat
[2023-03-15 02:42:57] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 2 ms.
[2023-03-15 02:42:57] [INFO ] Added : 4 causal constraints over 1 iterations in 20 ms. Result :sat
Could not prove EG (NOT p1)
Support contains 1 out of 8 places. Attempting structural reductions.
Property had overlarge support with respect to TGBA, discarding it for now.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 7/7 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 7/7 (removed 0) transitions.
[2023-03-15 02:42:57] [INFO ] Invariant cache hit.
[2023-03-15 02:42:57] [INFO ] Implicit Places using invariants in 43 ms returned []
[2023-03-15 02:42:57] [INFO ] Invariant cache hit.
[2023-03-15 02:42:57] [INFO ] Implicit Places using invariants and state equation in 42 ms returned []
Implicit Place search using SMT with State Equation took 108 ms to find 0 implicit places.
[2023-03-15 02:42:57] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:42:57] [INFO ] Invariant cache hit.
[2023-03-15 02:42:57] [INFO ] Dead Transitions using invariants and state equation in 25 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 165 ms. Remains : 8/8 places, 7/7 transitions.
Computed a total of 8 stabilizing places and 7 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 7
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 169 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 80 ms :[(NOT p1), (NOT p1)]
Incomplete random walk after 16001 steps, including 0 resets, run finished after 10 ms. (steps per millisecond=1600 ) properties (out of 1) seen :0
Finished Best-First random walk after 89 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=89 )
Knowledge obtained : [(NOT p1), (X (NOT p1)), (X (X (NOT p1))), (F (G (NOT p1)))]
False Knowledge obtained : [(F p1)]
Knowledge based reduction with 4 factoid took 201 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 77 ms :[(NOT p1), (NOT p1)]
Stuttering acceptance computed with spot in 78 ms :[(NOT p1), (NOT p1)]
[2023-03-15 02:42:57] [INFO ] Invariant cache hit.
[2023-03-15 02:42:57] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-15 02:42:57] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-15 02:42:57] [INFO ] [Real]Absence check using state equation in 6 ms returned sat
[2023-03-15 02:42:57] [INFO ] Computed and/alt/rep : 6/7/6 causal constraints (skipped 0 transitions) in 3 ms.
[2023-03-15 02:42:57] [INFO ] Added : 4 causal constraints over 1 iterations in 21 ms. Result :sat
Could not prove EG (NOT p1)
Stuttering acceptance computed with spot in 82 ms :[(NOT p1), (NOT p1)]
Product exploration explored 100000 steps with 7361 reset in 90 ms.
Product exploration explored 100000 steps with 7365 reset in 111 ms.
Support contains 1 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 7/7 transitions.
Graph (complete) has 8 edges and 8 vertex of which 7 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.0 ms
Discarding 1 places :
Also discarding 1 output transitions
Drop transitions removed 1 transitions
Reduce places removed 1 places and 1 transitions.
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 2 Pre rules applied. Total rules applied 1 place count 6 transition count 3
Deduced a syphon composed of 2 places in 0 ms
Ensure Unique test removed 1 places
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 5 rules applied. Total rules applied 6 place count 3 transition count 3
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 1 Pre rules applied. Total rules applied 6 place count 3 transition count 2
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 8 place count 2 transition count 2
Applied a total of 8 rules in 2429 ms. Remains 2 /8 variables (removed 6) and now considering 2/7 (removed 5) transitions.
// Phase 1: matrix 2 rows 2 cols
[2023-03-15 02:43:00] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-15 02:43:00] [INFO ] Implicit Places using invariants in 21 ms returned []
[2023-03-15 02:43:00] [INFO ] Invariant cache hit.
[2023-03-15 02:43:00] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 58 ms to find 0 implicit places.
[2023-03-15 02:43:00] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:43:00] [INFO ] Invariant cache hit.
[2023-03-15 02:43:00] [INFO ] Dead Transitions using invariants and state equation in 28 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 2/8 places, 2/7 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 2523 ms. Remains : 2/8 places, 2/7 transitions.
Treatment of property HouseConstruction-PT-16000-LTLCardinality-14 finished in 7366 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) U X(G((p1 U p2)))))))'
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Ensure Unique test removed 1 places
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 23 transition count 18
Applied a total of 1 rules in 1 ms. Remains 23 /24 variables (removed 1) and now considering 18/18 (removed 0) transitions.
// Phase 1: matrix 18 rows 23 cols
[2023-03-15 02:43:00] [INFO ] Computed 5 place invariants in 1 ms
[2023-03-15 02:43:00] [INFO ] Implicit Places using invariants in 55 ms returned [8, 12]
Discarding 2 places :
Implicit Place search using SMT only with invariants took 66 ms to find 2 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 21/24 places, 18/18 transitions.
Applied a total of 0 rules in 1 ms. Remains 21 /21 variables (removed 0) and now considering 18/18 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 68 ms. Remains : 21/24 places, 18/18 transitions.
Stuttering acceptance computed with spot in 282 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=(OR p1 p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={0} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=4 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LEQ s10 s6), p1:(LEQ 2 s0), p2:(GT s20 s3)], 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]]
Product exploration explored 100000 steps with 1041 reset in 146 ms.
Product exploration explored 100000 steps with 1088 reset in 174 ms.
Computed a total of 21 stabilizing places and 18 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 21 transition count 18
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (OR p1 p2)), (X p1), (X (AND p1 (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X p1)), (X (X (AND p1 (NOT p2)))), (F (G p0)), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 705 ms. Reduced automaton from 5 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 182 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Incomplete random walk after 16001 steps, including 0 resets, run finished after 5 ms. (steps per millisecond=3200 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 131 ms. (steps per millisecond=76 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 75 ms. (steps per millisecond=133 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 59 ms. (steps per millisecond=169 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 18 rows 21 cols
[2023-03-15 02:43:02] [INFO ] Computed 3 place invariants in 2 ms
[2023-03-15 02:43:02] [INFO ] After 58ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-15 02:43:02] [INFO ] [Nat]Absence check using 0 positive and 3 generalized place invariants in 1 ms returned sat
[2023-03-15 02:43:03] [INFO ] After 45ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-15 02:43:03] [INFO ] After 62ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 12 ms.
[2023-03-15 02:43:03] [INFO ] After 147ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Fused 4 Parikh solutions to 3 different solutions.
Finished Parikh walk after 31866 steps, including 0 resets, run visited all 4 properties in 353 ms. (steps per millisecond=90 )
Parikh walk visited 4 properties in 354 ms.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (OR p1 p2)), (X p1), (X (AND p1 (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X p1)), (X (X (AND p1 (NOT p2)))), (F (G p0)), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) p1))), (F (AND (NOT p2) (NOT p1))), (F (NOT p1)), (F (NOT p0)), (F (NOT (OR p2 p1))), (F (AND (NOT p0) (NOT p2) (NOT p1)))]
Knowledge based reduction with 12 factoid took 696 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 206 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 186 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Support contains 5 out of 21 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 21/21 places, 18/18 transitions.
Graph (complete) has 22 edges and 21 vertex of which 12 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 12 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 11 transition count 10
Performed 2 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 2 Pre rules applied. Total rules applied 3 place count 11 transition count 8
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 2 with 4 rules applied. Total rules applied 7 place count 9 transition count 8
Discarding 1 places :
Implicit places reduction removed 1 places
Iterating post reduction 2 with 1 rules applied. Total rules applied 8 place count 8 transition count 8
Applied a total of 8 rules in 6 ms. Remains 8 /21 variables (removed 13) and now considering 8/18 (removed 10) transitions.
// Phase 1: matrix 8 rows 8 cols
[2023-03-15 02:43:04] [INFO ] Computed 0 place invariants in 1 ms
[2023-03-15 02:43:04] [INFO ] Implicit Places using invariants in 29 ms returned []
[2023-03-15 02:43:04] [INFO ] Invariant cache hit.
[2023-03-15 02:43:04] [INFO ] Implicit Places using invariants and state equation in 22 ms returned []
Implicit Place search using SMT with State Equation took 54 ms to find 0 implicit places.
[2023-03-15 02:43:04] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:43:04] [INFO ] Invariant cache hit.
[2023-03-15 02:43:04] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 8/21 places, 8/18 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 87 ms. Remains : 8/21 places, 8/18 transitions.
Computed a total of 8 stabilizing places and 8 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 8
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (OR p2 p1)), (X p1), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (OR p2 p1))), (X (X p1)), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (G p0)), (F (G (NOT p2))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 729 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 162 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Incomplete random walk after 16001 steps, including 0 resets, run finished after 3 ms. (steps per millisecond=5333 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 11 ms. (steps per millisecond=909 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-15 02:43:05] [INFO ] Invariant cache hit.
[2023-03-15 02:43:05] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-15 02:43:05] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-15 02:43:05] [INFO ] After 21ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-15 02:43:05] [INFO ] After 56ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Fused 4 Parikh solutions to 2 different solutions.
Finished Parikh walk after 79999 steps, including 0 resets, run visited all 4 properties in 377 ms. (steps per millisecond=212 )
Parikh walk visited 4 properties in 376 ms.
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (OR p2 p1)), (X p1), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (OR p2 p1))), (X (X p1)), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (G p0)), (F (G (NOT p2))), (F (G (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND p1 (NOT p2)))), (F (AND (NOT p1) (NOT p2))), (F (NOT p1)), (F (NOT p0)), (F (NOT (OR p1 p2))), (F (AND (NOT p0) (NOT p1) (NOT p2)))]
Knowledge based reduction with 16 factoid took 895 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 157 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 165 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 160 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Product exploration explored 100000 steps with 1102 reset in 108 ms.
Product exploration explored 100000 steps with 1463 reset in 130 ms.
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-15 02:43:07] [INFO ] Invariant cache hit.
[2023-03-15 02:43:07] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-15 02:43:07] [INFO ] Invariant cache hit.
[2023-03-15 02:43:07] [INFO ] Implicit Places using invariants and state equation in 24 ms returned []
Implicit Place search using SMT with State Equation took 44 ms to find 0 implicit places.
[2023-03-15 02:43:07] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:43:07] [INFO ] Invariant cache hit.
[2023-03-15 02:43:07] [INFO ] Dead Transitions using invariants and state equation in 21 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 73 ms. Remains : 8/8 places, 8/8 transitions.
Treatment of property HouseConstruction-PT-16000-LTLCardinality-15 finished in 7056 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(X((X(p0) U p1)))))'
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) U X(G((p1 U p2)))))))'
Found a Lengthening insensitive property : HouseConstruction-PT-16000-LTLCardinality-15
Stuttering acceptance computed with spot in 203 ms :[(AND (NOT p0) (NOT p2)), (AND (NOT p1) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Support contains 5 out of 24 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 24/24 places, 18/18 transitions.
Graph (complete) has 28 edges and 24 vertex of which 14 are kept as prefixes of interest. Removing 10 places using SCC suffix rule.1 ms
Discarding 10 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 14 transition count 10
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 3 place count 13 transition count 10
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 1 Pre rules applied. Total rules applied 3 place count 13 transition count 9
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 5 place count 12 transition count 9
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 2 with 2 rules applied. Total rules applied 7 place count 11 transition count 8
Applied a total of 7 rules in 5 ms. Remains 11 /24 variables (removed 13) and now considering 8/18 (removed 10) transitions.
// Phase 1: matrix 8 rows 11 cols
[2023-03-15 02:43:08] [INFO ] Computed 3 place invariants in 0 ms
[2023-03-15 02:43:08] [INFO ] Implicit Places using invariants in 65 ms returned [5, 7, 9]
Discarding 3 places :
Implicit Place search using SMT only with invariants took 67 ms to find 3 implicit places.
Starting structural reductions in LI_LTL mode, iteration 1 : 8/24 places, 8/18 transitions.
Applied a total of 0 rules in 4 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
Finished structural reductions in LI_LTL mode , in 2 iterations and 77 ms. Remains : 8/24 places, 8/18 transitions.
Running random walk in product with property : HouseConstruction-PT-16000-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(AND (NOT p0) (NOT p1)), acceptance={} source=0 dest: 1}, { cond=(NOT p0), acceptance={} source=0 dest: 2}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=1 dest: 3}], [{ cond=(NOT p1), acceptance={} source=2 dest: 1}, { cond=(OR p1 p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={0} source=2 dest: 4}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 3}], [{ cond=(AND (NOT p1) (NOT p2)), acceptance={} source=4 dest: 1}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=4 dest: 2}, { cond=(AND p1 (NOT p2)), acceptance={0} source=4 dest: 4}]], initial=0, aps=[p0:(LEQ s6 s4), p1:(LEQ 2 s0), p2:(GT s7 s2)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, sl-invariant], stateDesc=[null, null, null, null, null][false, false, false, false, false]]
Product exploration explored 100000 steps with 1270 reset in 106 ms.
Product exploration explored 100000 steps with 1406 reset in 120 ms.
Computed a total of 8 stabilizing places and 8 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 8
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (OR p1 p2)), (X p1), (X (AND p1 (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X p1)), (X (X (AND p1 (NOT p2)))), (F (G p0)), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : []
Knowledge sufficient to adopt a stutter insensitive property.
Knowledge based reduction with 12 factoid took 600 ms. Reduced automaton from 5 states, 12 edges and 3 AP (stutter sensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 180 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Incomplete random walk after 16001 steps, including 0 resets, run finished after 6 ms. (steps per millisecond=2666 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 94 ms. (steps per millisecond=106 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 64 ms. (steps per millisecond=156 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
// Phase 1: matrix 8 rows 8 cols
[2023-03-15 02:43:09] [INFO ] Computed 0 place invariants in 0 ms
[2023-03-15 02:43:10] [INFO ] After 56ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-15 02:43:10] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-15 02:43:10] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 22 ms.
[2023-03-15 02:43:10] [INFO ] After 164ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Finished Parikh walk after 16002 steps, including 0 resets, run visited all 4 properties in 326 ms. (steps per millisecond=49 )
Parikh walk visited 4 properties in 326 ms.
Knowledge obtained : [(AND p0 p1 (NOT p2)), (X (NOT (AND (NOT p1) (NOT p2)))), (X (OR p1 p2)), (X p1), (X (AND p1 (NOT p2))), (X (X (NOT (AND (NOT p1) (NOT p2))))), (X (X (OR p1 p2))), (X (X p1)), (X (X (AND p1 (NOT p2)))), (F (G p0)), (F (G (NOT p1))), (F (G (NOT p2)))]
False Knowledge obtained : [(F (NOT (AND (NOT p2) p1))), (F (AND (NOT p2) (NOT p1))), (F (NOT p1)), (F (NOT p0)), (F (NOT (OR p2 p1))), (F (AND (NOT p0) (NOT p2) (NOT p1)))]
Knowledge based reduction with 12 factoid took 879 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 288 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-15 02:43:11] [INFO ] Invariant cache hit.
[2023-03-15 02:43:11] [INFO ] Implicit Places using invariants in 19 ms returned []
[2023-03-15 02:43:11] [INFO ] Invariant cache hit.
[2023-03-15 02:43:11] [INFO ] Implicit Places using invariants and state equation in 23 ms returned []
Implicit Place search using SMT with State Equation took 55 ms to find 0 implicit places.
[2023-03-15 02:43:11] [INFO ] Redundant transitions in 1 ms returned []
[2023-03-15 02:43:11] [INFO ] Invariant cache hit.
[2023-03-15 02:43:11] [INFO ] Dead Transitions using invariants and state equation in 24 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 91 ms. Remains : 8/8 places, 8/8 transitions.
Computed a total of 8 stabilizing places and 8 stable transitions
Complete graph has no SCC; deadlocks are unavoidable. place count 8 transition count 8
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge (and all enablings converge to false).
Detected that all paths lead to deadlock. Applying this knowledge to assert that all AP eventually converge : F ( (Ga|G!a) & (Gb|G!b)...)
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (OR p2 p1)), (X p1), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (OR p2 p1))), (X (X p1)), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (G p0)), (F (G (NOT p2))), (F (G (NOT p1)))]
False Knowledge obtained : []
Knowledge based reduction with 16 factoid took 696 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 154 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Incomplete random walk after 16001 steps, including 0 resets, run finished after 2 ms. (steps per millisecond=8000 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-15 02:43:12] [INFO ] Invariant cache hit.
[2023-03-15 02:43:12] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-15 02:43:13] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-15 02:43:13] [INFO ] After 25ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 10 ms.
[2023-03-15 02:43:13] [INFO ] After 74ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Fused 4 Parikh solutions to 3 different solutions.
Finished Parikh walk after 16010 steps, including 0 resets, run visited all 4 properties in 57 ms. (steps per millisecond=280 )
Parikh walk visited 4 properties in 56 ms.
Knowledge obtained : [(AND p0 (NOT p2) p1), (X (OR p2 p1)), (X p1), (X (AND (NOT p2) p1)), (X (NOT (AND (NOT p0) (NOT p2) (NOT p1)))), (X p0), (X (NOT (AND (NOT p2) (NOT p1)))), (X (X (OR p2 p1))), (X (X p1)), (X (X (AND (NOT p2) p1))), (X (X (NOT (AND (NOT p0) (NOT p2) (NOT p1))))), (X (X p0)), (X (X (NOT (AND (NOT p2) (NOT p1))))), (F (G p0)), (F (G (NOT p2))), (F (G (NOT p1)))]
False Knowledge obtained : [(F (NOT (AND p1 (NOT p2)))), (F (AND (NOT p1) (NOT p2))), (F (NOT p1)), (F (NOT p0)), (F (NOT (OR p1 p2))), (F (AND (NOT p0) (NOT p1) (NOT p2)))]
Knowledge based reduction with 16 factoid took 845 ms. Reduced automaton from 4 states, 11 edges and 3 AP (stutter insensitive) to 4 states, 11 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 161 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 155 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Stuttering acceptance computed with spot in 197 ms :[(AND (NOT p0) (NOT p2)), (NOT p2), (NOT p1), (NOT p2)]
Product exploration explored 100000 steps with 1358 reset in 109 ms.
Product exploration explored 100000 steps with 1522 reset in 121 ms.
Support contains 5 out of 8 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 8/8 places, 8/8 transitions.
Applied a total of 0 rules in 1 ms. Remains 8 /8 variables (removed 0) and now considering 8/8 (removed 0) transitions.
[2023-03-15 02:43:14] [INFO ] Invariant cache hit.
[2023-03-15 02:43:14] [INFO ] Implicit Places using invariants in 17 ms returned []
[2023-03-15 02:43:14] [INFO ] Invariant cache hit.
[2023-03-15 02:43:14] [INFO ] Implicit Places using invariants and state equation in 29 ms returned []
Implicit Place search using SMT with State Equation took 62 ms to find 0 implicit places.
[2023-03-15 02:43:14] [INFO ] Redundant transitions in 0 ms returned []
[2023-03-15 02:43:14] [INFO ] Invariant cache hit.
[2023-03-15 02:43:14] [INFO ] Dead Transitions using invariants and state equation in 47 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 128 ms. Remains : 8/8 places, 8/8 transitions.
Treatment of property HouseConstruction-PT-16000-LTLCardinality-15 finished in 6719 ms.
[2023-03-15 02:43:14] [INFO ] Flatten gal took : 22 ms
[2023-03-15 02:43:14] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2023-03-15 02:43:14] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 24 places, 18 transitions and 47 arcs took 0 ms.
Total runtime 34495 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1730/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1730/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : HouseConstruction-PT-16000-LTLCardinality-14
Could not compute solution for formula : HouseConstruction-PT-16000-LTLCardinality-15
BK_STOP 1678848196692
--------------------
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 LTLCardinality -timeout 360 -rebuildPNML
mcc2023
ltl formula name HouseConstruction-PT-16000-LTLCardinality-14
ltl formula formula --ltl=/tmp/1730/ltl_0_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 24 places, 18 transitions and 47 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1730/ltl_0_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.010 real 0.000 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1730/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1730/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1730/ltl_0_
pnml2lts-mc( 0/ 4): buchi has 2 states
pnml2lts-mc( 0/ 4): Weak Buchi automaton detected, adding non-accepting as progress label.
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
free(): double free detected in tcache 2
ltl formula name HouseConstruction-PT-16000-LTLCardinality-15
ltl formula formula --ltl=/tmp/1730/ltl_1_
pnml2lts-mc: =============================================================================
pnml2lts-mc: Runtime environment could only preallocate 15 GB while requesting 240 GB.
pnml2lts-mc: Configure your system limits to exploit all memory.
pnml2lts-mc: =============================================================================
pnml2lts-mc( 0/ 4): Loading model from model.pnml
pnml2lts-mc( 0/ 4): Edge label is id
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): Petri net has 24 places, 18 transitions and 47 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
Warning: program compiled against libxml 210 using older 209
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1730/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1730/ltl_1_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1730/ltl_1_
pnml2lts-mc( 0/ 4): Loading Petri net took 0.010 real 0.010 user 0.000 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1730/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 6 states
pnml2lts-mc( 0/ 4), ** error **: area memory exhausted
*** segmentation fault ***
Please send information on how to reproduce this problem to:
ltsmin-support@lists.utwente.nl
along with all output preceding this message.
In addition, include the following information:
Package: ltsmin 3.1.0
Stack trace:
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="HouseConstruction-PT-16000"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"
# this is specific to your benchmark or test
export BIN_DIR="$HOME/BenchKit/bin"
# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi
# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool ltsminxred"
echo " Input is HouseConstruction-PT-16000, examination is LTLCardinality"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r201-smll-167840348000611"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/HouseConstruction-PT-16000.tgz
mv HouseConstruction-PT-16000 execution
cd execution
if [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "UpperBounds" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] || [ "LTLCardinality" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh
echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLCardinality" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLCardinality" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLCardinality.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLCardinality.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLCardinality.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '
echo "FORMULA_NAME $x"
done
elif [ "LTLCardinality" = "ReachabilityDeadlock" ] || [ "LTLCardinality" = "QuasiLiveness" ] || [ "LTLCardinality" = "StableMarking" ] || [ "LTLCardinality" = "Liveness" ] || [ "LTLCardinality" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLCardinality"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;