About the Execution of LTSMin+red for PolyORBLF-PT-S04J06T08
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 732.239 | 439031.00 | 469666.00 | 1406.40 | TF?F?TTFFFFFFFFF | 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.r297-tall-167873950600571.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 PolyORBLF-PT-S04J06T08, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r297-tall-167873950600571
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 5.0M
-rw-r--r-- 1 mcc users 20K Feb 26 14:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 115K Feb 26 14:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 74K Feb 26 14:10 CTLFireability.txt
-rw-r--r-- 1 mcc users 338K Feb 26 14:10 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 6.3K Jan 29 11:40 GenericPropertiesVerdict.xml
-rw-r--r-- 1 mcc users 11K Feb 25 16:35 LTLCardinality.txt
-rw-r--r-- 1 mcc users 44K Feb 25 16:35 LTLCardinality.xml
-rw-r--r-- 1 mcc users 26K Feb 25 16:35 LTLFireability.txt
-rw-r--r-- 1 mcc users 92K Feb 25 16:35 LTLFireability.xml
-rw-r--r-- 1 mcc users 12K Feb 26 14:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 67K Feb 26 14:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 133K Feb 26 14:20 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 583K Feb 26 14:20 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 2.5K Feb 25 16:35 UpperBounds.txt
-rw-r--r-- 1 mcc users 5.3K Feb 25 16:35 UpperBounds.xml
-rw-r--r-- 1 mcc users 5 Mar 5 18:23 equiv_col
-rw-r--r-- 1 mcc users 10 Mar 5 18:23 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:23 iscolored
-rw-r--r-- 1 mcc users 3.5M 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 PolyORBLF-PT-S04J06T08-LTLCardinality-00
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-01
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-02
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-03
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-04
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-05
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-06
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-07
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-08
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-09
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-10
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-11
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-12
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-13
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-14
FORMULA_NAME PolyORBLF-PT-S04J06T08-LTLCardinality-15
=== Now, execution of the tool begins
BK_START 1679571570211
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=PolyORBLF-PT-S04J06T08
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-23 11:39:32] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-23 11:39:32] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-23 11:39:32] [INFO ] Load time of PNML (sax parser for PT used): 250 ms
[2023-03-23 11:39:32] [INFO ] Transformed 792 places.
[2023-03-23 11:39:32] [INFO ] Transformed 4268 transitions.
[2023-03-23 11:39:32] [INFO ] Parsed PT model containing 792 places and 4268 transitions and 28832 arcs in 369 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 12 ms.
Working with output stream class java.io.PrintStream
Ensure Unique test removed 2168 transitions
Reduce redundant transitions removed 2168 transitions.
Support contains 249 out of 792 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 792/792 places, 2100/2100 transitions.
Ensure Unique test removed 4 places
Iterating post reduction 0 with 4 rules applied. Total rules applied 4 place count 788 transition count 2100
Applied a total of 4 rules in 93 ms. Remains 788 /792 variables (removed 4) and now considering 2100/2100 (removed 0) transitions.
[2023-03-23 11:39:32] [INFO ] Flow matrix only has 2068 transitions (discarded 32 similar events)
// Phase 1: matrix 2068 rows 788 cols
[2023-03-23 11:39:32] [INFO ] Computed 54 place invariants in 132 ms
[2023-03-23 11:39:35] [INFO ] Dead Transitions using invariants and state equation in 2705 ms found 432 transitions.
Found 432 dead transitions using SMT.
Drop transitions removed 432 transitions
Dead transitions reduction (with SMT) triggered by suspicious arc values removed 432 transitions.
[2023-03-23 11:39:35] [INFO ] Flow matrix only has 1636 transitions (discarded 32 similar events)
// Phase 1: matrix 1636 rows 788 cols
[2023-03-23 11:39:35] [INFO ] Computed 54 place invariants in 62 ms
[2023-03-23 11:39:36] [INFO ] Implicit Places using invariants in 750 ms returned [2, 132, 144, 214, 293, 349, 387, 577]
Discarding 8 places :
Implicit Place search using SMT only with invariants took 761 ms to find 8 implicit places.
Starting structural reductions in LTL mode, iteration 1 : 780/792 places, 1668/2100 transitions.
Applied a total of 0 rules in 19 ms. Remains 780 /780 variables (removed 0) and now considering 1668/1668 (removed 0) transitions.
Finished structural reductions in LTL mode , in 2 iterations and 3613 ms. Remains : 780/792 places, 1668/2100 transitions.
Support contains 249 out of 780 places after structural reductions.
[2023-03-23 11:39:36] [INFO ] Flatten gal took : 179 ms
[2023-03-23 11:39:36] [INFO ] Flatten gal took : 106 ms
[2023-03-23 11:39:36] [INFO ] Input system was already deterministic with 1668 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 559 ms. (steps per millisecond=17 ) properties (out of 37) seen :25
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 125 ms. (steps per millisecond=80 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 119 ms. (steps per millisecond=84 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 109 ms. (steps per millisecond=91 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 126 ms. (steps per millisecond=79 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 110 ms. (steps per millisecond=90 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 95 ms. (steps per millisecond=105 ) properties (out of 12) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 89 ms. (steps per millisecond=112 ) properties (out of 12) seen :1
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 92 ms. (steps per millisecond=108 ) properties (out of 11) seen :0
Running SMT prover for 11 properties.
[2023-03-23 11:39:38] [INFO ] Flow matrix only has 1636 transitions (discarded 32 similar events)
// Phase 1: matrix 1636 rows 780 cols
[2023-03-23 11:39:38] [INFO ] Computed 46 place invariants in 36 ms
[2023-03-23 11:39:39] [INFO ] [Real]Absence check using 14 positive place invariants in 4 ms returned sat
[2023-03-23 11:39:39] [INFO ] [Real]Absence check using 14 positive and 32 generalized place invariants in 39 ms returned sat
[2023-03-23 11:39:39] [INFO ] After 321ms SMT Verify possible using all constraints in real domain returned unsat :3 sat :0 real:8
[2023-03-23 11:39:39] [INFO ] [Nat]Absence check using 14 positive place invariants in 6 ms returned sat
[2023-03-23 11:39:39] [INFO ] [Nat]Absence check using 14 positive and 32 generalized place invariants in 43 ms returned sat
[2023-03-23 11:40:04] [INFO ] After 25011ms SMT Verify possible using all constraints in natural domain returned unsat :10 sat :0
Fused 11 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 780 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Drop transitions removed 72 transitions
Trivial Post-agglo rules discarded 72 transitions
Performed 72 trivial Post agglomeration. Transition count delta: 72
Iterating post reduction 0 with 72 rules applied. Total rules applied 72 place count 780 transition count 1596
Reduce places removed 72 places and 0 transitions.
Iterating post reduction 1 with 72 rules applied. Total rules applied 144 place count 708 transition count 1596
Performed 96 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 96 Pre rules applied. Total rules applied 144 place count 708 transition count 1500
Deduced a syphon composed of 96 places in 2 ms
Reduce places removed 96 places and 0 transitions.
Iterating global reduction 2 with 192 rules applied. Total rules applied 336 place count 612 transition count 1500
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 343 place count 605 transition count 1493
Iterating global reduction 2 with 7 rules applied. Total rules applied 350 place count 605 transition count 1493
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 2 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 510 place count 525 transition count 1413
Free-agglomeration rule (complex) applied 16 times.
Iterating global reduction 2 with 16 rules applied. Total rules applied 526 place count 525 transition count 1397
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 542 place count 509 transition count 1397
Applied a total of 542 rules in 258 ms. Remains 509 /780 variables (removed 271) and now considering 1397/1668 (removed 271) transitions.
[2023-03-23 11:40:04] [INFO ] Flow matrix only has 1365 transitions (discarded 32 similar events)
// Phase 1: matrix 1365 rows 509 cols
[2023-03-23 11:40:04] [INFO ] Computed 46 place invariants in 23 ms
[2023-03-23 11:40:05] [INFO ] Dead Transitions using invariants and state equation in 1160 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1419 ms. Remains : 509/780 places, 1397/1668 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 82 ms. (steps per millisecond=121 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 180317 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :{}
Probabilistic random walk after 180317 steps, saw 126425 distinct states, run finished after 3002 ms. (steps per millisecond=60 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-23 11:40:08] [INFO ] Flow matrix only has 1365 transitions (discarded 32 similar events)
[2023-03-23 11:40:08] [INFO ] Invariant cache hit.
[2023-03-23 11:40:08] [INFO ] [Real]Absence check using 19 positive place invariants in 6 ms returned sat
[2023-03-23 11:40:08] [INFO ] [Real]Absence check using 19 positive and 27 generalized place invariants in 34 ms returned sat
[2023-03-23 11:40:08] [INFO ] After 139ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-23 11:40:08] [INFO ] [Nat]Absence check using 19 positive place invariants in 5 ms returned sat
[2023-03-23 11:40:08] [INFO ] [Nat]Absence check using 19 positive and 27 generalized place invariants in 39 ms returned sat
[2023-03-23 11:40:15] [INFO ] After 6146ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-23 11:40:15] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:40:16] [INFO ] After 1005ms SMT Verify possible using 160 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-23 11:40:17] [INFO ] Deduced a trap composed of 34 places in 300 ms of which 6 ms to minimize.
[2023-03-23 11:40:17] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 348 ms
[2023-03-23 11:40:17] [INFO ] After 1886ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :0
[2023-03-23 11:40:17] [INFO ] After 8179ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :0
Fused 1 Parikh solutions to 0 different solutions.
Parikh walk visited 0 properties in 0 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-11 FALSE TECHNIQUES REACHABILITY_KNOWLEDGE
Successfully simplified 11 atomic propositions for a total of 15 simplifications.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-05 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Computed a total of 0 stabilizing places and 0 stable transitions
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-06 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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 16 out of 780 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 780 transition count 1620
Reduce places removed 48 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 56 rules applied. Total rules applied 104 place count 732 transition count 1612
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 112 place count 724 transition count 1612
Performed 96 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 96 Pre rules applied. Total rules applied 112 place count 724 transition count 1516
Deduced a syphon composed of 96 places in 1 ms
Reduce places removed 96 places and 0 transitions.
Iterating global reduction 3 with 192 rules applied. Total rules applied 304 place count 628 transition count 1516
Performed 72 Post agglomeration using F-continuation condition.Transition count delta: 72
Deduced a syphon composed of 72 places in 1 ms
Reduce places removed 72 places and 0 transitions.
Iterating global reduction 3 with 144 rules applied. Total rules applied 448 place count 556 transition count 1444
Applied a total of 448 rules in 130 ms. Remains 556 /780 variables (removed 224) and now considering 1444/1668 (removed 224) transitions.
[2023-03-23 11:40:17] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
// Phase 1: matrix 1412 rows 556 cols
[2023-03-23 11:40:17] [INFO ] Computed 46 place invariants in 29 ms
[2023-03-23 11:40:18] [INFO ] Dead Transitions using invariants and state equation in 1264 ms found 0 transitions.
[2023-03-23 11:40:18] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:40:18] [INFO ] Invariant cache hit.
[2023-03-23 11:40:19] [INFO ] Implicit Places using invariants in 771 ms returned []
[2023-03-23 11:40:19] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:40:19] [INFO ] Invariant cache hit.
[2023-03-23 11:40:20] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:40:46] [INFO ] Implicit Places using invariants and state equation in 27197 ms returned []
Implicit Place search using SMT with State Equation took 27970 ms to find 0 implicit places.
[2023-03-23 11:40:46] [INFO ] Redundant transitions in 101 ms returned []
[2023-03-23 11:40:46] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:40:46] [INFO ] Invariant cache hit.
[2023-03-23 11:40:48] [INFO ] Dead Transitions using invariants and state equation in 1281 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 556/780 places, 1444/1668 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 30761 ms. Remains : 556/780 places, 1444/1668 transitions.
Stuttering acceptance computed with spot in 207 ms :[(NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-02 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:(GT (ADD s10 s29 s147 s232 s252 s340 s350 s467) (ADD s3 s98 s171 s183 s202 s334 s412 s498))], 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 1452 reset in 750 ms.
Product exploration explored 100000 steps with 1443 reset in 594 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 129 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 73 ms :[(NOT p0), (NOT p0)]
Finished random walk after 70 steps, including 0 resets, run visited all 1 properties in 2 ms. (steps per millisecond=35 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 139 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 74 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 86 ms :[(NOT p0), (NOT p0)]
[2023-03-23 11:40:50] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:40:50] [INFO ] Invariant cache hit.
[2023-03-23 11:40:51] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2023-03-23 11:40:51] [INFO ] [Real]Absence check using 16 positive and 30 generalized place invariants in 87 ms returned sat
[2023-03-23 11:40:51] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 11:40:54] [INFO ] [Real]Absence check using state equation in 3311 ms returned sat
[2023-03-23 11:40:54] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 11:40:55] [INFO ] [Nat]Absence check using 16 positive place invariants in 8 ms returned sat
[2023-03-23 11:40:55] [INFO ] [Nat]Absence check using 16 positive and 30 generalized place invariants in 121 ms returned sat
[2023-03-23 11:40:55] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 11:41:06] [INFO ] [Nat]Absence check using state equation in 10836 ms returned sat
[2023-03-23 11:41:06] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:41:07] [INFO ] [Nat]Added 160 Read/Feed constraints in 1302 ms returned sat
[2023-03-23 11:41:07] [INFO ] Deduced a trap composed of 56 places in 120 ms of which 1 ms to minimize.
[2023-03-23 11:41:08] [INFO ] Deduced a trap composed of 56 places in 89 ms of which 1 ms to minimize.
[2023-03-23 11:41:09] [INFO ] Deduced a trap composed of 56 places in 90 ms of which 1 ms to minimize.
[2023-03-23 11:41:09] [INFO ] Trap strengthening (SAT) tested/added 3/3 trap constraints in 1958 ms
Could not prove EG (NOT p0)
Support contains 16 out of 556 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 556/556 places, 1444/1444 transitions.
Applied a total of 0 rules in 67 ms. Remains 556 /556 variables (removed 0) and now considering 1444/1444 (removed 0) transitions.
[2023-03-23 11:41:09] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:09] [INFO ] Invariant cache hit.
[2023-03-23 11:41:10] [INFO ] Dead Transitions using invariants and state equation in 1216 ms found 0 transitions.
[2023-03-23 11:41:10] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:10] [INFO ] Invariant cache hit.
[2023-03-23 11:41:11] [INFO ] Implicit Places using invariants in 763 ms returned []
[2023-03-23 11:41:11] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:11] [INFO ] Invariant cache hit.
[2023-03-23 11:41:12] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:41:34] [INFO ] Implicit Places using invariants and state equation in 22754 ms returned []
Implicit Place search using SMT with State Equation took 23520 ms to find 0 implicit places.
[2023-03-23 11:41:34] [INFO ] Redundant transitions in 79 ms returned []
[2023-03-23 11:41:34] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:34] [INFO ] Invariant cache hit.
[2023-03-23 11:41:35] [INFO ] Dead Transitions using invariants and state equation in 1298 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 26197 ms. Remains : 556/556 places, 1444/1444 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 : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : []
Knowledge based reduction with 3 factoid took 125 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 74 ms :[(NOT p0), (NOT p0)]
Finished random walk after 66 steps, including 0 resets, run visited all 1 properties in 3 ms. (steps per millisecond=22 )
Knowledge obtained : [(NOT p0), (X (NOT p0)), (X (X (NOT p0)))]
False Knowledge obtained : [(F p0)]
Knowledge based reduction with 3 factoid took 135 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 66 ms :[(NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
[2023-03-23 11:41:36] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:36] [INFO ] Invariant cache hit.
[2023-03-23 11:41:37] [INFO ] [Real]Absence check using 16 positive place invariants in 8 ms returned sat
[2023-03-23 11:41:37] [INFO ] [Real]Absence check using 16 positive and 30 generalized place invariants in 86 ms returned sat
[2023-03-23 11:41:37] [INFO ] [Real]Adding state equation constraints to refine reachable states.
[2023-03-23 11:41:40] [INFO ] [Real]Absence check using state equation in 3303 ms returned sat
[2023-03-23 11:41:40] [INFO ] Solution in real domain found non-integer solution.
[2023-03-23 11:41:41] [INFO ] [Nat]Absence check using 16 positive place invariants in 7 ms returned sat
[2023-03-23 11:41:41] [INFO ] [Nat]Absence check using 16 positive and 30 generalized place invariants in 118 ms returned sat
[2023-03-23 11:41:41] [INFO ] [Nat]Adding state equation constraints to refine reachable states.
[2023-03-23 11:41:52] [INFO ] [Nat]Absence check using state equation in 10785 ms returned sat
[2023-03-23 11:41:52] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:41:53] [INFO ] [Nat]Added 160 Read/Feed constraints in 1278 ms returned sat
[2023-03-23 11:41:53] [INFO ] Deduced a trap composed of 56 places in 89 ms of which 1 ms to minimize.
[2023-03-23 11:41:54] [INFO ] Deduced a trap composed of 56 places in 82 ms of which 0 ms to minimize.
[2023-03-23 11:41:55] [INFO ] Deduced a trap composed of 56 places in 94 ms of which 1 ms to minimize.
[2023-03-23 11:41:55] [INFO ] Deduced a trap composed of 56 places in 59 ms of which 1 ms to minimize.
java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close...
at fr.lip6.move.gal.structural.smt.SMTUtils.execAndCheckResult(SMTUtils.java:251)
at fr.lip6.move.gal.structural.smt.DeadlockTester.refineWithTraps(DeadlockTester.java:1255)
at fr.lip6.move.gal.structural.smt.DeadlockTester.verifyPossible(DeadlockTester.java:916)
at fr.lip6.move.gal.structural.smt.DeadlockTester.testEGap(DeadlockTester.java:520)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.computeEGknowledge(LTLPropertySolver.java:614)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.applyKnowledgeBasedReductions(LTLPropertySolver.java:580)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.checkLTLProperty(LTLPropertySolver.java:261)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStutteringLTLTest(LTLPropertySolver.java:225)
at fr.lip6.move.gal.application.solver.ltl.LTLPropertySolver.runStructuralLTLCheck(LTLPropertySolver.java:76)
at fr.lip6.move.gal.application.Application.startNoEx(Application.java:762)
at fr.lip6.move.gal.application.Application.start(Application.java:178)
at fr.lip6.move.gal.itscl.application.Application.start(Application.java:45)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:203)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:136)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:402)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:659)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:596)
at org.eclipse.equinox.launcher.Main.run(Main.java:1467)
at org.eclipse.equinox.launcher.Main.main(Main.java:1440)
[2023-03-23 11:41:55] [WARNING] SMT solver failed with error :java.lang.RuntimeException: SMT solver raised an error when submitting script. Raised (error "Failed to assert expression: java.io.IOException: Stream close... while checking expression EG (NOT p0)
Could not prove EG (NOT p0)
Stuttering acceptance computed with spot in 67 ms :[(NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 1461 reset in 541 ms.
Product exploration explored 100000 steps with 1446 reset in 563 ms.
Support contains 16 out of 556 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 556/556 places, 1444/1444 transitions.
Applied a total of 0 rules in 26 ms. Remains 556 /556 variables (removed 0) and now considering 1444/1444 (removed 0) transitions.
[2023-03-23 11:41:56] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:56] [INFO ] Invariant cache hit.
[2023-03-23 11:41:57] [INFO ] Dead Transitions using invariants and state equation in 1182 ms found 0 transitions.
[2023-03-23 11:41:57] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:57] [INFO ] Invariant cache hit.
[2023-03-23 11:41:58] [INFO ] Implicit Places using invariants in 737 ms returned []
[2023-03-23 11:41:58] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:41:58] [INFO ] Invariant cache hit.
[2023-03-23 11:41:59] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:42:16] [INFO ] Implicit Places using invariants and state equation in 17867 ms returned []
Implicit Place search using SMT with State Equation took 18612 ms to find 0 implicit places.
[2023-03-23 11:42:16] [INFO ] Redundant transitions in 36 ms returned []
[2023-03-23 11:42:16] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:16] [INFO ] Invariant cache hit.
[2023-03-23 11:42:17] [INFO ] Dead Transitions using invariants and state equation in 1287 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 21154 ms. Remains : 556/556 places, 1444/1444 transitions.
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-02 finished in 120659 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) U G(p1)))'
Support contains 10 out of 780 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Drop transitions removed 56 transitions
Trivial Post-agglo rules discarded 56 transitions
Performed 56 trivial Post agglomeration. Transition count delta: 56
Iterating post reduction 0 with 56 rules applied. Total rules applied 56 place count 780 transition count 1612
Reduce places removed 56 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 64 rules applied. Total rules applied 120 place count 724 transition count 1604
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 128 place count 716 transition count 1604
Performed 104 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 104 Pre rules applied. Total rules applied 128 place count 716 transition count 1500
Deduced a syphon composed of 104 places in 1 ms
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 3 with 208 rules applied. Total rules applied 336 place count 612 transition count 1500
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 343 place count 605 transition count 1493
Iterating global reduction 3 with 7 rules applied. Total rules applied 350 place count 605 transition count 1493
Performed 56 Post agglomeration using F-continuation condition.Transition count delta: 56
Deduced a syphon composed of 56 places in 1 ms
Reduce places removed 56 places and 0 transitions.
Iterating global reduction 3 with 112 rules applied. Total rules applied 462 place count 549 transition count 1437
Applied a total of 462 rules in 97 ms. Remains 549 /780 variables (removed 231) and now considering 1437/1668 (removed 231) transitions.
[2023-03-23 11:42:18] [INFO ] Flow matrix only has 1405 transitions (discarded 32 similar events)
// Phase 1: matrix 1405 rows 549 cols
[2023-03-23 11:42:18] [INFO ] Computed 46 place invariants in 28 ms
[2023-03-23 11:42:19] [INFO ] Dead Transitions using invariants and state equation in 1220 ms found 0 transitions.
[2023-03-23 11:42:19] [INFO ] Flow matrix only has 1405 transitions (discarded 32 similar events)
[2023-03-23 11:42:19] [INFO ] Invariant cache hit.
[2023-03-23 11:42:20] [INFO ] Implicit Places using invariants in 688 ms returned []
[2023-03-23 11:42:20] [INFO ] Flow matrix only has 1405 transitions (discarded 32 similar events)
[2023-03-23 11:42:20] [INFO ] Invariant cache hit.
[2023-03-23 11:42:20] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:42:25] [INFO ] Implicit Places using invariants and state equation in 5913 ms returned []
Implicit Place search using SMT with State Equation took 6604 ms to find 0 implicit places.
[2023-03-23 11:42:25] [INFO ] Redundant transitions in 33 ms returned []
[2023-03-23 11:42:25] [INFO ] Flow matrix only has 1405 transitions (discarded 32 similar events)
[2023-03-23 11:42:25] [INFO ] Invariant cache hit.
[2023-03-23 11:42:27] [INFO ] Dead Transitions using invariants and state equation in 1176 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 549/780 places, 1437/1668 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9139 ms. Remains : 549/780 places, 1437/1668 transitions.
Stuttering acceptance computed with spot in 152 ms :[(NOT p1), true, (AND p1 (NOT p0)), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-03 automaton TGBA Formula[mat=[[{ cond=(AND p1 p0), acceptance={} source=0 dest: 0}, { cond=(AND (NOT p1) p0), acceptance={0} source=0 dest: 0}, { cond=(AND (NOT p1) (NOT p0)), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) p0), acceptance={} source=0 dest: 2}, { cond=(AND p1 (NOT p0)), acceptance={} source=0 dest: 3}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(AND p1 (NOT p0)), acceptance={} source=2 dest: 1}, { cond=(AND p1 p0), acceptance={} source=2 dest: 2}], [{ cond=(NOT p1), acceptance={} source=3 dest: 1}, { cond=p1, acceptance={} source=3 dest: 3}]], initial=0, aps=[p1:(LEQ (ADD s0 s89 s107 s143 s303 s346 s402 s472) s471), p0:(LEQ 1 s349)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null, null][true, true, true, true]]
Entered a terminal (fully accepting) state of product in 68 steps with 0 reset in 2 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-03 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-03 finished in 9320 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((p1||G(p2))))))'
Support contains 81 out of 780 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Drop transitions removed 48 transitions
Trivial Post-agglo rules discarded 48 transitions
Performed 48 trivial Post agglomeration. Transition count delta: 48
Iterating post reduction 0 with 48 rules applied. Total rules applied 48 place count 780 transition count 1620
Reduce places removed 48 places and 0 transitions.
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Iterating post reduction 1 with 64 rules applied. Total rules applied 112 place count 732 transition count 1604
Reduce places removed 16 places and 0 transitions.
Iterating post reduction 2 with 16 rules applied. Total rules applied 128 place count 716 transition count 1604
Performed 96 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 96 Pre rules applied. Total rules applied 128 place count 716 transition count 1508
Deduced a syphon composed of 96 places in 1 ms
Reduce places removed 96 places and 0 transitions.
Iterating global reduction 3 with 192 rules applied. Total rules applied 320 place count 620 transition count 1508
Performed 64 Post agglomeration using F-continuation condition.Transition count delta: 64
Deduced a syphon composed of 64 places in 1 ms
Reduce places removed 64 places and 0 transitions.
Iterating global reduction 3 with 128 rules applied. Total rules applied 448 place count 556 transition count 1444
Applied a total of 448 rules in 98 ms. Remains 556 /780 variables (removed 224) and now considering 1444/1668 (removed 224) transitions.
[2023-03-23 11:42:27] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
// Phase 1: matrix 1412 rows 556 cols
[2023-03-23 11:42:27] [INFO ] Computed 46 place invariants in 25 ms
[2023-03-23 11:42:28] [INFO ] Dead Transitions using invariants and state equation in 1415 ms found 0 transitions.
[2023-03-23 11:42:28] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:28] [INFO ] Invariant cache hit.
[2023-03-23 11:42:29] [INFO ] Implicit Places using invariants in 671 ms returned []
[2023-03-23 11:42:29] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:29] [INFO ] Invariant cache hit.
[2023-03-23 11:42:29] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:42:35] [INFO ] Implicit Places using invariants and state equation in 5991 ms returned []
Implicit Place search using SMT with State Equation took 6665 ms to find 0 implicit places.
[2023-03-23 11:42:35] [INFO ] Redundant transitions in 35 ms returned []
[2023-03-23 11:42:35] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:35] [INFO ] Invariant cache hit.
[2023-03-23 11:42:36] [INFO ] Dead Transitions using invariants and state equation in 1368 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 556/780 places, 1444/1668 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9590 ms. Remains : 556/780 places, 1444/1668 transitions.
Stuttering acceptance computed with spot in 101 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-04 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 0}, { cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=(AND (NOT p1) (NOT p2)), acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={0} source=1 dest: 1}], [{ cond=(AND (NOT p1) p2), acceptance={} source=2 dest: 2}, { cond=(AND (NOT p1) (NOT p2)), acceptance={0} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ (ADD s54 s133 s213 s280 s302 s348 s472 s533) (ADD s5 s10 s11 s19 s25 s37 s56 s81 s83 s92 s94 s103 s121 s147 s153 s177 s189 s203 s204 s220 s224 s22...], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-invariant], stateDesc=[null, null, null][true, true, true]]
Product exploration explored 100000 steps with 4407 reset in 647 ms.
Product exploration explored 100000 steps with 4349 reset in 658 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) p2), (X (AND (NOT p1) p2)), (X p0), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p1) p2))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 293 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 111 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Finished random walk after 186 steps, including 0 resets, run visited all 3 properties in 4 ms. (steps per millisecond=46 )
Knowledge obtained : [(AND p0 (NOT p1) p2), (X (AND (NOT p1) p2)), (X p0), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p1) p2))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND (NOT p1) p2))), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 7 factoid took 290 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 103 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 147 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Support contains 81 out of 556 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 556/556 places, 1444/1444 transitions.
Applied a total of 0 rules in 27 ms. Remains 556 /556 variables (removed 0) and now considering 1444/1444 (removed 0) transitions.
[2023-03-23 11:42:39] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:39] [INFO ] Invariant cache hit.
[2023-03-23 11:42:40] [INFO ] Dead Transitions using invariants and state equation in 1358 ms found 0 transitions.
[2023-03-23 11:42:40] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:40] [INFO ] Invariant cache hit.
[2023-03-23 11:42:41] [INFO ] Implicit Places using invariants in 685 ms returned []
[2023-03-23 11:42:41] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:41] [INFO ] Invariant cache hit.
[2023-03-23 11:42:41] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:42:46] [INFO ] Implicit Places using invariants and state equation in 5569 ms returned []
Implicit Place search using SMT with State Equation took 6258 ms to find 0 implicit places.
[2023-03-23 11:42:47] [INFO ] Redundant transitions in 34 ms returned []
[2023-03-23 11:42:47] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:47] [INFO ] Invariant cache hit.
[2023-03-23 11:42:48] [INFO ] Dead Transitions using invariants and state equation in 1367 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9050 ms. Remains : 556/556 places, 1444/1444 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 p0 (NOT p1) p2), (X (AND (NOT p1) p2)), (X p0), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p1) p2))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : []
Knowledge based reduction with 7 factoid took 281 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 105 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Finished random walk after 136 steps, including 0 resets, run visited all 3 properties in 4 ms. (steps per millisecond=34 )
Knowledge obtained : [(AND p0 (NOT p1) p2), (X (AND (NOT p1) p2)), (X p0), (X (NOT (AND (NOT p1) (NOT p2)))), (X (X (AND (NOT p1) p2))), (X (X p0)), (X (X (NOT (AND (NOT p1) (NOT p2)))))]
False Knowledge obtained : [(F (NOT p0)), (F (NOT (AND (NOT p1) p2))), (F (AND (NOT p1) (NOT p2)))]
Knowledge based reduction with 7 factoid took 343 ms. Reduced automaton from 3 states, 6 edges and 3 AP (stutter insensitive) to 3 states, 6 edges and 3 AP (stutter insensitive).
Stuttering acceptance computed with spot in 187 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 103 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Stuttering acceptance computed with spot in 116 ms :[(OR (NOT p0) (AND (NOT p1) (NOT p2))), (NOT p0), (AND (NOT p1) (NOT p2))]
Product exploration explored 100000 steps with 4409 reset in 643 ms.
Product exploration explored 100000 steps with 4413 reset in 659 ms.
Support contains 81 out of 556 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 556/556 places, 1444/1444 transitions.
Applied a total of 0 rules in 22 ms. Remains 556 /556 variables (removed 0) and now considering 1444/1444 (removed 0) transitions.
[2023-03-23 11:42:50] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:50] [INFO ] Invariant cache hit.
[2023-03-23 11:42:52] [INFO ] Dead Transitions using invariants and state equation in 1358 ms found 0 transitions.
[2023-03-23 11:42:52] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:52] [INFO ] Invariant cache hit.
[2023-03-23 11:42:52] [INFO ] Implicit Places using invariants in 692 ms returned []
[2023-03-23 11:42:52] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:52] [INFO ] Invariant cache hit.
[2023-03-23 11:42:53] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:42:58] [INFO ] Implicit Places using invariants and state equation in 5704 ms returned []
Implicit Place search using SMT with State Equation took 6401 ms to find 0 implicit places.
[2023-03-23 11:42:58] [INFO ] Redundant transitions in 37 ms returned []
[2023-03-23 11:42:58] [INFO ] Flow matrix only has 1412 transitions (discarded 32 similar events)
[2023-03-23 11:42:58] [INFO ] Invariant cache hit.
[2023-03-23 11:43:00] [INFO ] Dead Transitions using invariants and state equation in 1363 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 9190 ms. Remains : 556/556 places, 1444/1444 transitions.
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-04 finished in 32844 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&&G(p1)) U (G((p0&&G(p1)))||(p0&&F(p2)&&G(p1))))))'
Support contains 73 out of 780 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 772 transition count 1660
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 772 transition count 1660
Applied a total of 16 rules in 33 ms. Remains 772 /780 variables (removed 8) and now considering 1660/1668 (removed 8) transitions.
[2023-03-23 11:43:00] [INFO ] Flow matrix only has 1628 transitions (discarded 32 similar events)
// Phase 1: matrix 1628 rows 772 cols
[2023-03-23 11:43:00] [INFO ] Computed 46 place invariants in 42 ms
[2023-03-23 11:43:02] [INFO ] Dead Transitions using invariants and state equation in 2414 ms found 0 transitions.
[2023-03-23 11:43:02] [INFO ] Flow matrix only has 1628 transitions (discarded 32 similar events)
[2023-03-23 11:43:02] [INFO ] Invariant cache hit.
[2023-03-23 11:43:03] [INFO ] Implicit Places using invariants in 857 ms returned []
[2023-03-23 11:43:03] [INFO ] Flow matrix only has 1628 transitions (discarded 32 similar events)
[2023-03-23 11:43:03] [INFO ] Invariant cache hit.
[2023-03-23 11:43:04] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:43:28] [INFO ] Implicit Places using invariants and state equation in 24480 ms returned []
Implicit Place search using SMT with State Equation took 25339 ms to find 0 implicit places.
[2023-03-23 11:43:28] [INFO ] Flow matrix only has 1628 transitions (discarded 32 similar events)
[2023-03-23 11:43:28] [INFO ] Invariant cache hit.
[2023-03-23 11:43:30] [INFO ] Dead Transitions using invariants and state equation in 2272 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 772/780 places, 1660/1668 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 30060 ms. Remains : 772/780 places, 1660/1668 transitions.
Stuttering acceptance computed with spot in 293 ms :[true, (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p0)), (OR (NOT p1) (NOT p2)), (OR (NOT p1) (AND (NOT p0) (NOT p2))), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-07 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(OR (NOT p1) (NOT p0)), acceptance={} source=2 dest: 0}, { cond=(AND p1 p0 (NOT p2)), acceptance={} source=2 dest: 4}, { cond=(AND p1 p0 p2), acceptance={} source=2 dest: 5}], [{ cond=(NOT p1), acceptance={0} source=3 dest: 0}, { cond=(AND p1 (NOT p2)), acceptance={0} source=3 dest: 3}, { cond=(AND p1 p2), acceptance={0} source=3 dest: 5}], [{ cond=(NOT p1), acceptance={} source=4 dest: 0}, { cond=(AND p1 (NOT p0) (NOT p2)), acceptance={} source=4 dest: 3}, { cond=(AND p1 p0 (NOT p2)), acceptance={} source=4 dest: 4}, { cond=(AND p1 p2), acceptance={} source=4 dest: 5}], [{ cond=(NOT p1), acceptance={} source=5 dest: 0}, { cond=p1, acceptance={} source=5 dest: 5}]], initial=1, aps=[p1:(GT 1 s688), p0:(GT 3 (ADD s78 s167 s286 s431 s570 s620 s644 s728)), p2:(GT (ADD s11 s34 s207 s326 s355 s471 s488 s648) (ADD s48 s53 s70 s75 s79 s84 s9...], 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, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 1 steps with 0 reset in 1 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-07 finished in 30438 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!((p0 U X(G(!p0))))'
Support contains 2 out of 780 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Drop transitions removed 71 transitions
Trivial Post-agglo rules discarded 71 transitions
Performed 71 trivial Post agglomeration. Transition count delta: 71
Iterating post reduction 0 with 71 rules applied. Total rules applied 71 place count 780 transition count 1597
Reduce places removed 71 places and 0 transitions.
Iterating post reduction 1 with 71 rules applied. Total rules applied 142 place count 709 transition count 1597
Performed 95 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 95 Pre rules applied. Total rules applied 142 place count 709 transition count 1502
Deduced a syphon composed of 95 places in 0 ms
Reduce places removed 95 places and 0 transitions.
Iterating global reduction 2 with 190 rules applied. Total rules applied 332 place count 614 transition count 1502
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 339 place count 607 transition count 1495
Iterating global reduction 2 with 7 rules applied. Total rules applied 346 place count 607 transition count 1495
Performed 80 Post agglomeration using F-continuation condition.Transition count delta: 80
Deduced a syphon composed of 80 places in 0 ms
Reduce places removed 80 places and 0 transitions.
Iterating global reduction 2 with 160 rules applied. Total rules applied 506 place count 527 transition count 1415
Applied a total of 506 rules in 84 ms. Remains 527 /780 variables (removed 253) and now considering 1415/1668 (removed 253) transitions.
[2023-03-23 11:43:30] [INFO ] Flow matrix only has 1383 transitions (discarded 32 similar events)
// Phase 1: matrix 1383 rows 527 cols
[2023-03-23 11:43:30] [INFO ] Computed 46 place invariants in 31 ms
[2023-03-23 11:43:31] [INFO ] Dead Transitions using invariants and state equation in 1257 ms found 0 transitions.
[2023-03-23 11:43:31] [INFO ] Flow matrix only has 1383 transitions (discarded 32 similar events)
[2023-03-23 11:43:31] [INFO ] Invariant cache hit.
[2023-03-23 11:43:32] [INFO ] Implicit Places using invariants in 699 ms returned []
[2023-03-23 11:43:32] [INFO ] Flow matrix only has 1383 transitions (discarded 32 similar events)
[2023-03-23 11:43:32] [INFO ] Invariant cache hit.
[2023-03-23 11:43:33] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:43:42] [INFO ] Implicit Places using invariants and state equation in 9611 ms returned []
Implicit Place search using SMT with State Equation took 10314 ms to find 0 implicit places.
[2023-03-23 11:43:42] [INFO ] Redundant transitions in 37 ms returned []
[2023-03-23 11:43:42] [INFO ] Flow matrix only has 1383 transitions (discarded 32 similar events)
[2023-03-23 11:43:42] [INFO ] Invariant cache hit.
[2023-03-23 11:43:43] [INFO ] Dead Transitions using invariants and state equation in 1216 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 527/780 places, 1415/1668 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 12919 ms. Remains : 527/780 places, 1415/1668 transitions.
Stuttering acceptance computed with spot in 78 ms :[p0, true, p0]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-08 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 0}, { cond=p0, acceptance={} source=0 dest: 1}], [{ cond=true, acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 0}, { cond=p0, acceptance={0} source=2 dest: 2}]], initial=2, aps=[p0:(LEQ s451 s52)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, very-weak, weak, inherently-weak], stateDesc=[null, null, null][true, true, true]]
Entered a terminal (fully accepting) state of product in 372 steps with 0 reset in 4 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-08 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-08 finished in 13021 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(p0)))))'
Support contains 1 out of 780 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 772 transition count 1660
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 772 transition count 1660
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 24 place count 764 transition count 1652
Iterating global reduction 0 with 8 rules applied. Total rules applied 32 place count 764 transition count 1652
Applied a total of 32 rules in 36 ms. Remains 764 /780 variables (removed 16) and now considering 1652/1668 (removed 16) transitions.
[2023-03-23 11:43:43] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
// Phase 1: matrix 1620 rows 764 cols
[2023-03-23 11:43:43] [INFO ] Computed 46 place invariants in 38 ms
[2023-03-23 11:43:46] [INFO ] Dead Transitions using invariants and state equation in 2431 ms found 0 transitions.
[2023-03-23 11:43:46] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:43:46] [INFO ] Invariant cache hit.
[2023-03-23 11:43:46] [INFO ] Implicit Places using invariants in 875 ms returned []
[2023-03-23 11:43:46] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:43:46] [INFO ] Invariant cache hit.
[2023-03-23 11:43:47] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:44:17] [INFO ] Performed 701/764 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2023-03-23 11:44:19] [INFO ] Implicit Places using invariants and state equation in 32190 ms returned []
Implicit Place search using SMT with State Equation took 33068 ms to find 0 implicit places.
[2023-03-23 11:44:19] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:44:19] [INFO ] Invariant cache hit.
[2023-03-23 11:44:21] [INFO ] Dead Transitions using invariants and state equation in 2087 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 764/780 places, 1652/1668 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37624 ms. Remains : 764/780 places, 1652/1668 transitions.
Stuttering acceptance computed with spot in 203 ms :[(NOT p0), (NOT p0), (NOT p0), (NOT p0), true, (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-09 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 4}], [{ cond=true, acceptance={} source=1 dest: 0}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={0} source=4 dest: 4}], [{ cond=true, acceptance={} source=5 dest: 3}]], initial=5, aps=[p0:(LEQ 1 s153)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, 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 1 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-09 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-09 finished in 37854 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(G(p0)))))'
Support contains 2 out of 780 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 772 transition count 1660
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 772 transition count 1660
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 24 place count 764 transition count 1652
Iterating global reduction 0 with 8 rules applied. Total rules applied 32 place count 764 transition count 1652
Applied a total of 32 rules in 34 ms. Remains 764 /780 variables (removed 16) and now considering 1652/1668 (removed 16) transitions.
[2023-03-23 11:44:21] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:44:21] [INFO ] Invariant cache hit.
[2023-03-23 11:44:23] [INFO ] Dead Transitions using invariants and state equation in 2270 ms found 0 transitions.
[2023-03-23 11:44:23] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:44:23] [INFO ] Invariant cache hit.
[2023-03-23 11:44:24] [INFO ] Implicit Places using invariants in 875 ms returned []
[2023-03-23 11:44:24] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:44:24] [INFO ] Invariant cache hit.
[2023-03-23 11:44:25] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:44:56] [INFO ] Performed 753/764 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2023-03-23 11:44:57] [INFO ] Implicit Places using invariants and state equation in 32325 ms returned []
Implicit Place search using SMT with State Equation took 33202 ms to find 0 implicit places.
[2023-03-23 11:44:57] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:44:57] [INFO ] Invariant cache hit.
[2023-03-23 11:44:59] [INFO ] Dead Transitions using invariants and state equation in 2243 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 764/780 places, 1652/1668 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 37751 ms. Remains : 764/780 places, 1652/1668 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (NOT p0), (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-10 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: 4}], [{ cond=true, acceptance={} source=4 dest: 2}]], initial=3, aps=[p0:(GT s231 s713)], 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][false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-10 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-10 finished in 37916 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 1 out of 780 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 772 transition count 1660
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 772 transition count 1660
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 24 place count 764 transition count 1652
Iterating global reduction 0 with 8 rules applied. Total rules applied 32 place count 764 transition count 1652
Applied a total of 32 rules in 38 ms. Remains 764 /780 variables (removed 16) and now considering 1652/1668 (removed 16) transitions.
[2023-03-23 11:44:59] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:44:59] [INFO ] Invariant cache hit.
[2023-03-23 11:45:01] [INFO ] Dead Transitions using invariants and state equation in 2310 ms found 0 transitions.
[2023-03-23 11:45:01] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:45:01] [INFO ] Invariant cache hit.
[2023-03-23 11:45:02] [INFO ] Implicit Places using invariants in 891 ms returned []
[2023-03-23 11:45:02] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:45:02] [INFO ] Invariant cache hit.
[2023-03-23 11:45:03] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:45:25] [INFO ] Implicit Places using invariants and state equation in 22983 ms returned []
Implicit Place search using SMT with State Equation took 23877 ms to find 0 implicit places.
[2023-03-23 11:45:25] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:45:25] [INFO ] Invariant cache hit.
[2023-03-23 11:45:27] [INFO ] Dead Transitions using invariants and state equation in 2352 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 764/780 places, 1652/1668 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 28584 ms. Remains : 764/780 places, 1652/1668 transitions.
Stuttering acceptance computed with spot in 110 ms :[true, (NOT p0), (NOT p0), (NOT p0)]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-12 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:(GT 1 s474)], 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 15 steps with 0 reset in 0 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-12 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-12 finished in 28715 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)&&(p1 U p2)))'
Support contains 6 out of 780 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Drop transitions removed 53 transitions
Trivial Post-agglo rules discarded 53 transitions
Performed 53 trivial Post agglomeration. Transition count delta: 53
Iterating post reduction 0 with 53 rules applied. Total rules applied 53 place count 780 transition count 1615
Reduce places removed 53 places and 0 transitions.
Performed 8 Post agglomeration using F-continuation condition.Transition count delta: 8
Iterating post reduction 1 with 61 rules applied. Total rules applied 114 place count 727 transition count 1607
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 122 place count 719 transition count 1607
Performed 104 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 104 Pre rules applied. Total rules applied 122 place count 719 transition count 1503
Deduced a syphon composed of 104 places in 0 ms
Reduce places removed 104 places and 0 transitions.
Iterating global reduction 3 with 208 rules applied. Total rules applied 330 place count 615 transition count 1503
Discarding 8 places :
Symmetric choice reduction at 3 with 8 rule applications. Total rules 338 place count 607 transition count 1495
Iterating global reduction 3 with 8 rules applied. Total rules applied 346 place count 607 transition count 1495
Performed 55 Post agglomeration using F-continuation condition.Transition count delta: 55
Deduced a syphon composed of 55 places in 1 ms
Reduce places removed 55 places and 0 transitions.
Iterating global reduction 3 with 110 rules applied. Total rules applied 456 place count 552 transition count 1440
Applied a total of 456 rules in 88 ms. Remains 552 /780 variables (removed 228) and now considering 1440/1668 (removed 228) transitions.
[2023-03-23 11:45:28] [INFO ] Flow matrix only has 1408 transitions (discarded 32 similar events)
// Phase 1: matrix 1408 rows 552 cols
[2023-03-23 11:45:28] [INFO ] Computed 46 place invariants in 33 ms
[2023-03-23 11:45:29] [INFO ] Dead Transitions using invariants and state equation in 1334 ms found 0 transitions.
[2023-03-23 11:45:29] [INFO ] Flow matrix only has 1408 transitions (discarded 32 similar events)
[2023-03-23 11:45:29] [INFO ] Invariant cache hit.
[2023-03-23 11:45:30] [INFO ] Implicit Places using invariants in 725 ms returned []
[2023-03-23 11:45:30] [INFO ] Flow matrix only has 1408 transitions (discarded 32 similar events)
[2023-03-23 11:45:30] [INFO ] Invariant cache hit.
[2023-03-23 11:45:30] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:45:42] [INFO ] Implicit Places using invariants and state equation in 11960 ms returned []
Implicit Place search using SMT with State Equation took 12687 ms to find 0 implicit places.
[2023-03-23 11:45:42] [INFO ] Redundant transitions in 34 ms returned []
[2023-03-23 11:45:42] [INFO ] Flow matrix only has 1408 transitions (discarded 32 similar events)
[2023-03-23 11:45:42] [INFO ] Invariant cache hit.
[2023-03-23 11:45:43] [INFO ] Dead Transitions using invariants and state equation in 1313 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 552/780 places, 1440/1668 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 15469 ms. Remains : 552/780 places, 1440/1668 transitions.
Stuttering acceptance computed with spot in 133 ms :[true, (NOT p2), (NOT p0), (OR (NOT p2) (NOT p0))]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-13 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=1 dest: 0}, { cond=(AND (NOT p2) p1), acceptance={0} source=1 dest: 1}], [{ cond=(NOT p0), acceptance={0} source=2 dest: 2}], [{ cond=(AND (NOT p2) (NOT p1)), acceptance={0} source=3 dest: 0}, { cond=(AND p0 (NOT p2) p1), acceptance={0} source=3 dest: 1}, { cond=(AND (NOT p0) p2), acceptance={0} source=3 dest: 2}, { cond=(AND (NOT p0) (NOT p2) p1), acceptance={0} source=3 dest: 3}]], initial=3, aps=[p2:(LEQ s474 s439), p1:(LEQ s490 s272), p0:(GT s138 s346)], 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, null, null, null][true, true, true, true]]
Stuttering criterion allowed to conclude after 31674 steps with 256 reset in 151 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-13 finished in 15776 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)&&X(F(p1))))'
Support contains 3 out of 780 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 772 transition count 1660
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 772 transition count 1660
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 24 place count 764 transition count 1652
Iterating global reduction 0 with 8 rules applied. Total rules applied 32 place count 764 transition count 1652
Applied a total of 32 rules in 34 ms. Remains 764 /780 variables (removed 16) and now considering 1652/1668 (removed 16) transitions.
[2023-03-23 11:45:43] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
// Phase 1: matrix 1620 rows 764 cols
[2023-03-23 11:45:43] [INFO ] Computed 46 place invariants in 33 ms
[2023-03-23 11:45:46] [INFO ] Dead Transitions using invariants and state equation in 2421 ms found 0 transitions.
[2023-03-23 11:45:46] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:45:46] [INFO ] Invariant cache hit.
[2023-03-23 11:45:47] [INFO ] Implicit Places using invariants in 888 ms returned []
[2023-03-23 11:45:47] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:45:47] [INFO ] Invariant cache hit.
[2023-03-23 11:45:48] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:46:14] [INFO ] Implicit Places using invariants and state equation in 27248 ms returned []
Implicit Place search using SMT with State Equation took 28136 ms to find 0 implicit places.
[2023-03-23 11:46:14] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:46:14] [INFO ] Invariant cache hit.
[2023-03-23 11:46:16] [INFO ] Dead Transitions using invariants and state equation in 2336 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 764/780 places, 1652/1668 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 32929 ms. Remains : 764/780 places, 1652/1668 transitions.
Stuttering acceptance computed with spot in 120 ms :[(OR (NOT p0) (NOT p1)), (NOT p0), (NOT p1)]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-14 automaton TGBA Formula[mat=[[{ cond=(NOT p0), acceptance={} source=0 dest: 1}, { cond=true, acceptance={} source=0 dest: 2}], [{ cond=(NOT p0), acceptance={} source=1 dest: 1}], [{ cond=(NOT p1), acceptance={} source=2 dest: 2}]], initial=0, aps=[p0:(LEQ 1 s141), p1:(LEQ s639 s338)], nbAcceptance=0, properties=[trans-labels, explicit-labels, trans-acc, no-univ-branch, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Stuttering criterion allowed to conclude after 15619 steps with 56 reset in 71 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-14 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-14 finished in 33148 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)))'
Support contains 3 out of 780 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 780/780 places, 1668/1668 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 772 transition count 1660
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 772 transition count 1660
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 24 place count 764 transition count 1652
Iterating global reduction 0 with 8 rules applied. Total rules applied 32 place count 764 transition count 1652
Applied a total of 32 rules in 32 ms. Remains 764 /780 variables (removed 16) and now considering 1652/1668 (removed 16) transitions.
[2023-03-23 11:46:17] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:46:17] [INFO ] Invariant cache hit.
[2023-03-23 11:46:19] [INFO ] Dead Transitions using invariants and state equation in 2096 ms found 0 transitions.
[2023-03-23 11:46:19] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:46:19] [INFO ] Invariant cache hit.
[2023-03-23 11:46:20] [INFO ] Implicit Places using invariants in 902 ms returned []
[2023-03-23 11:46:20] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:46:20] [INFO ] Invariant cache hit.
[2023-03-23 11:46:20] [INFO ] State equation strengthened by 160 read => feed constraints.
[2023-03-23 11:46:44] [INFO ] Implicit Places using invariants and state equation in 24376 ms returned []
Implicit Place search using SMT with State Equation took 25279 ms to find 0 implicit places.
[2023-03-23 11:46:44] [INFO ] Flow matrix only has 1620 transitions (discarded 32 similar events)
[2023-03-23 11:46:44] [INFO ] Invariant cache hit.
[2023-03-23 11:46:46] [INFO ] Dead Transitions using invariants and state equation in 2332 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 764/780 places, 1652/1668 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 29740 ms. Remains : 764/780 places, 1652/1668 transitions.
Stuttering acceptance computed with spot in 66 ms :[p0, p0]
Running random walk in product with property : PolyORBLF-PT-S04J06T08-LTLCardinality-15 automaton TGBA Formula[mat=[[{ cond=true, acceptance={} source=0 dest: 1}], [{ cond=p0, acceptance={0} source=1 dest: 1}]], initial=0, aps=[p0:(OR (LEQ 2 s97) (LEQ s705 s646))], 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][false, false]]
Stuttering criterion allowed to conclude after 24844 steps with 248 reset in 116 ms.
FORMULA PolyORBLF-PT-S04J06T08-LTLCardinality-15 FALSE TECHNIQUES STUTTER_TEST
Treatment of property PolyORBLF-PT-S04J06T08-LTLCardinality-15 finished in 29947 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)))'
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(G((F(p0)&&F((p1||G(p2))))))'
[2023-03-23 11:46:47] [INFO ] Flatten gal took : 78 ms
[2023-03-23 11:46:47] [INFO ] Export to MCC of 2 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 1 ms.
[2023-03-23 11:46:47] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 780 places, 1668 transitions and 7412 arcs took 13 ms.
Total runtime 435296 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1268/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/1268/ltl_1_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : PolyORBLF-PT-S04J06T08-LTLCardinality-02
Could not compute solution for formula : PolyORBLF-PT-S04J06T08-LTLCardinality-04
BK_STOP 1679572009242
--------------------
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 PolyORBLF-PT-S04J06T08-LTLCardinality-02
ltl formula formula --ltl=/tmp/1268/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 780 places, 1668 transitions and 7412 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.150 real 0.050 user 0.040 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1268/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1268/ltl_0_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1268/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1268/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 PolyORBLF-PT-S04J06T08-LTLCardinality-04
ltl formula formula --ltl=/tmp/1268/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
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 780 places, 1668 transitions and 7412 arcs
pnml2lts-mc( 0/ 4): Petri net Petri analyzed
pnml2lts-mc( 0/ 4): There are no safe places
pnml2lts-mc( 0/ 4): Loading Petri net took 0.160 real 0.040 user 0.050 sys
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/1268/ltl_1_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/1268/ltl_1_
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/1268/ltl_1_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/1268/ltl_1_
pnml2lts-mc( 0/ 4): buchi has 4 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="PolyORBLF-PT-S04J06T08"
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 PolyORBLF-PT-S04J06T08, 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 r297-tall-167873950600571"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/PolyORBLF-PT-S04J06T08.tgz
mv PolyORBLF-PT-S04J06T08 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 ;