fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r039-tajo-167813692500419
Last Updated
May 14, 2023

About the Execution of LoLa+red for BugTracking-PT-q8m032

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
1340.128 185714.00 240708.00 171.30 FTFFF?FFTTTTTFTF normal

Execution Chart

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

Trace from the execution

Formatting '/mnt/tpsp/fkordon/mcc2023-input.r039-tajo-167813692500419.qcow2', fmt=qcow2 size=4294967296 backing_file='/mnt/tpsp/fkordon/mcc2023-input.qcow2' encryption=off cluster_size=65536 lazy_refcounts=off
Waiting for the VM to be ready (probing ssh)
..........................
=====================================================================
Generated by BenchKit 2-5348
Executing tool lolaxred
Input is BugTracking-PT-q8m032, examination is LTLCardinality
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r039-tajo-167813692500419
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 7.2K Feb 26 06:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 62K Feb 26 06:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Feb 26 06:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 35K Feb 26 06:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.4K Feb 25 15:38 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:38 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 17K Feb 26 07:09 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 142K Feb 26 07:09 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.1K Feb 26 06:38 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 44K Feb 26 06:38 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:38 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:38 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 7 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 16M 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 BugTracking-PT-q8m032-LTLCardinality-00
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-01
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-02
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-03
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-04
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-05
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-06
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-07
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-08
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-09
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-10
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-11
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-12
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-13
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-14
FORMULA_NAME BugTracking-PT-q8m032-LTLCardinality-15

=== Now, execution of the tool begins

BK_START 1678498398130

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=LTLCardinality
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q8m032
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-11 01:33:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLCardinality, -timeout, 360, -rebuildPNML]
[2023-03-11 01:33:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-11 01:33:20] [INFO ] Load time of PNML (sax parser for PT used): 645 ms
[2023-03-11 01:33:20] [INFO ] Transformed 754 places.
[2023-03-11 01:33:20] [INFO ] Transformed 27370 transitions.
[2023-03-11 01:33:20] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 802 ms.
Parsed 16 properties from file /home/mcc/execution/LTLCardinality.xml in 7 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 5 formulas.
Deduced a syphon composed of 474 places in 132 ms
Reduce places removed 474 places and 23466 transitions.
FORMULA BugTracking-PT-q8m032-LTLCardinality-00 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-03 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-08 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-10 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-12 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-14 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-15 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-01 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-04 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m032-LTLCardinality-11 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 7 out of 280 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 280/280 places, 3904/3904 transitions.
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 2 place count 278 transition count 3904
Applied a total of 2 rules in 96 ms. Remains 278 /280 variables (removed 2) and now considering 3904/3904 (removed 0) transitions.
[2023-03-11 01:33:21] [INFO ] Flow matrix only has 3729 transitions (discarded 175 similar events)
// Phase 1: matrix 3729 rows 278 cols
[2023-03-11 01:33:21] [INFO ] Computed 8 place invariants in 83 ms
[2023-03-11 01:33:22] [INFO ] Implicit Places using invariants in 760 ms returned []
[2023-03-11 01:33:22] [INFO ] Flow matrix only has 3729 transitions (discarded 175 similar events)
[2023-03-11 01:33:22] [INFO ] Invariant cache hit.
[2023-03-11 01:33:22] [INFO ] State equation strengthened by 303 read => feed constraints.
[2023-03-11 01:33:24] [INFO ] Implicit Places using invariants and state equation in 2068 ms returned []
Implicit Place search using SMT with State Equation took 2935 ms to find 0 implicit places.
[2023-03-11 01:33:24] [INFO ] Flow matrix only has 3729 transitions (discarded 175 similar events)
[2023-03-11 01:33:24] [INFO ] Invariant cache hit.
[2023-03-11 01:33:25] [INFO ] Dead Transitions using invariants and state equation in 1796 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 278/280 places, 3904/3904 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 4838 ms. Remains : 278/280 places, 3904/3904 transitions.
Support contains 7 out of 278 places after structural reductions.
[2023-03-11 01:33:26] [INFO ] Flatten gal took : 327 ms
[2023-03-11 01:33:26] [INFO ] Flatten gal took : 214 ms
[2023-03-11 01:33:27] [INFO ] Input system was already deterministic with 3904 transitions.
Incomplete random walk after 10000 steps, including 23 resets, run finished after 419 ms. (steps per millisecond=23 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 72 ms. (steps per millisecond=138 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 77 ms. (steps per millisecond=129 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 3 resets, run finished after 111 ms. (steps per millisecond=90 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 112561 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :{}
Probabilistic random walk after 112561 steps, saw 57188 distinct states, run finished after 3003 ms. (steps per millisecond=37 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-11 01:33:31] [INFO ] Flow matrix only has 3729 transitions (discarded 175 similar events)
[2023-03-11 01:33:31] [INFO ] Invariant cache hit.
[2023-03-11 01:33:31] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-11 01:33:31] [INFO ] After 106ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 01:33:31] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2023-03-11 01:33:32] [INFO ] After 980ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-11 01:33:32] [INFO ] State equation strengthened by 303 read => feed constraints.
[2023-03-11 01:33:33] [INFO ] After 1098ms SMT Verify possible using 303 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-11 01:33:33] [INFO ] Deduced a trap composed of 19 places in 412 ms of which 6 ms to minimize.
[2023-03-11 01:33:35] [INFO ] Deduced a trap composed of 16 places in 1496 ms of which 28 ms to minimize.
[2023-03-11 01:33:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2244 ms
[2023-03-11 01:33:36] [INFO ] Deduced a trap composed of 12 places in 581 ms of which 2 ms to minimize.
[2023-03-11 01:33:37] [INFO ] Deduced a trap composed of 38 places in 503 ms of which 1 ms to minimize.
[2023-03-11 01:33:38] [INFO ] Deduced a trap composed of 26 places in 472 ms of which 1 ms to minimize.
[2023-03-11 01:33:38] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 2090 ms
[2023-03-11 01:33:39] [INFO ] Deduced a trap composed of 76 places in 631 ms of which 1 ms to minimize.
[2023-03-11 01:33:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 897 ms
[2023-03-11 01:33:39] [INFO ] After 7312ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 1103 ms.
[2023-03-11 01:33:40] [INFO ] After 9513ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 494 ms.
Support contains 7 out of 278 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 278/278 places, 3904/3904 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 1 places in 3 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 277 transition count 3908
Free-agglomeration rule applied 7 times.
Iterating global reduction 0 with 7 rules applied. Total rules applied 9 place count 277 transition count 3901
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 0 with 7 rules applied. Total rules applied 16 place count 270 transition count 3901
Applied a total of 16 rules in 576 ms. Remains 270 /278 variables (removed 8) and now considering 3901/3904 (removed 3) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 578 ms. Remains : 270/278 places, 3901/3904 transitions.
Incomplete random walk after 10030 steps, including 2 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 5) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 5) seen :0
Interrupted probabilistic random walk after 81722 steps, run timeout after 3001 ms. (steps per millisecond=27 ) properties seen :{}
Probabilistic random walk after 81722 steps, saw 53420 distinct states, run finished after 3001 ms. (steps per millisecond=27 ) properties seen :0
Running SMT prover for 5 properties.
[2023-03-11 01:33:45] [INFO ] Flow matrix only has 3721 transitions (discarded 180 similar events)
// Phase 1: matrix 3721 rows 270 cols
[2023-03-11 01:33:45] [INFO ] Computed 8 place invariants in 22 ms
[2023-03-11 01:33:45] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-11 01:33:45] [INFO ] After 73ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 01:33:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-11 01:33:46] [INFO ] After 1266ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-11 01:33:46] [INFO ] State equation strengthened by 303 read => feed constraints.
[2023-03-11 01:33:47] [INFO ] After 979ms SMT Verify possible using 303 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-11 01:33:47] [INFO ] Deduced a trap composed of 5 places in 78 ms of which 2 ms to minimize.
[2023-03-11 01:33:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 282 ms
[2023-03-11 01:33:48] [INFO ] Deduced a trap composed of 36 places in 387 ms of which 1 ms to minimize.
[2023-03-11 01:33:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 539 ms
[2023-03-11 01:33:49] [INFO ] After 2594ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 651 ms.
[2023-03-11 01:33:49] [INFO ] After 4645ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 0 properties in 14 ms.
Support contains 7 out of 270 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3901/3901 transitions.
Applied a total of 0 rules in 142 ms. Remains 270 /270 variables (removed 0) and now considering 3901/3901 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142 ms. Remains : 270/270 places, 3901/3901 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 270/270 places, 3901/3901 transitions.
Applied a total of 0 rules in 93 ms. Remains 270 /270 variables (removed 0) and now considering 3901/3901 (removed 0) transitions.
[2023-03-11 01:33:50] [INFO ] Flow matrix only has 3721 transitions (discarded 180 similar events)
[2023-03-11 01:33:50] [INFO ] Invariant cache hit.
[2023-03-11 01:33:50] [INFO ] Implicit Places using invariants in 495 ms returned []
[2023-03-11 01:33:50] [INFO ] Flow matrix only has 3721 transitions (discarded 180 similar events)
[2023-03-11 01:33:50] [INFO ] Invariant cache hit.
[2023-03-11 01:33:51] [INFO ] State equation strengthened by 303 read => feed constraints.
[2023-03-11 01:33:52] [INFO ] Implicit Places using invariants and state equation in 1479 ms returned []
Implicit Place search using SMT with State Equation took 1978 ms to find 0 implicit places.
[2023-03-11 01:33:52] [INFO ] Redundant transitions in 341 ms returned []
[2023-03-11 01:33:52] [INFO ] Flow matrix only has 3721 transitions (discarded 180 similar events)
[2023-03-11 01:33:52] [INFO ] Invariant cache hit.
[2023-03-11 01:33:53] [INFO ] Dead Transitions using invariants and state equation in 1162 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3584 ms. Remains : 270/270 places, 3901/3901 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 175 transitions
Reduce isomorphic transitions removed 181 transitions.
Iterating post reduction 0 with 181 rules applied. Total rules applied 181 place count 270 transition count 3720
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 185 place count 268 transition count 3718
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 189 place count 268 transition count 3714
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 193 place count 264 transition count 3714
Applied a total of 193 rules in 230 ms. Remains 264 /270 variables (removed 6) and now considering 3714/3901 (removed 187) transitions.
Running SMT prover for 5 properties.
// Phase 1: matrix 3714 rows 264 cols
[2023-03-11 01:33:53] [INFO ] Computed 9 place invariants in 49 ms
[2023-03-11 01:33:53] [INFO ] [Real]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-11 01:33:53] [INFO ] After 80ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-11 01:33:54] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-11 01:33:55] [INFO ] After 1217ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-11 01:33:56] [INFO ] After 2078ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 485 ms.
[2023-03-11 01:33:56] [INFO ] After 2646ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Computed a total of 6 stabilizing places and 131 stable transitions
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(F(G(p0)))'
Support contains 1 out of 278 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 278/278 places, 3904/3904 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 277 transition count 3871
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 277 transition count 3871
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 6 place count 275 transition count 3877
Applied a total of 6 rules in 192 ms. Remains 275 /278 variables (removed 3) and now considering 3877/3904 (removed 27) transitions.
[2023-03-11 01:33:56] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-11 01:33:57] [INFO ] Computed 8 place invariants in 19 ms
[2023-03-11 01:33:57] [INFO ] Implicit Places using invariants in 798 ms returned []
[2023-03-11 01:33:57] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:33:57] [INFO ] Invariant cache hit.
[2023-03-11 01:33:58] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:34:00] [INFO ] Implicit Places using invariants and state equation in 2435 ms returned []
Implicit Place search using SMT with State Equation took 3254 ms to find 0 implicit places.
[2023-03-11 01:34:00] [INFO ] Redundant transitions in 246 ms returned []
[2023-03-11 01:34:00] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:34:00] [INFO ] Invariant cache hit.
[2023-03-11 01:34:01] [INFO ] Dead Transitions using invariants and state equation in 1338 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 275/278 places, 3877/3904 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 5052 ms. Remains : 275/278 places, 3877/3904 transitions.
Stuttering acceptance computed with spot in 212 ms :[(NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m032-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:(LEQ 1 s102)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 440 steps with 0 reset in 13 ms.
FORMULA BugTracking-PT-q8m032-LTLCardinality-02 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BugTracking-PT-q8m032-LTLCardinality-02 finished in 5366 ms.
Running Spot : '/home/mcc/BenchKit/itstools/itstools/plugins/fr.lip6.ltl.spot.binaries_1.0.0.202303021504/bin/ltl2tgba-linux64' '--check=stutter' '--hoaf=tv' '-f' '!(X(G(p0)))'
Support contains 1 out of 278 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 278/278 places, 3904/3904 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 277 transition count 3871
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 277 transition count 3871
Applied a total of 2 rules in 64 ms. Remains 277 /278 variables (removed 1) and now considering 3871/3904 (removed 33) transitions.
[2023-03-11 01:34:02] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2023-03-11 01:34:02] [INFO ] Computed 8 place invariants in 12 ms
[2023-03-11 01:34:02] [INFO ] Implicit Places using invariants in 586 ms returned []
[2023-03-11 01:34:02] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:02] [INFO ] Invariant cache hit.
[2023-03-11 01:34:05] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-11 01:34:07] [INFO ] Implicit Places using invariants and state equation in 4460 ms returned []
Implicit Place search using SMT with State Equation took 5053 ms to find 0 implicit places.
[2023-03-11 01:34:07] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:07] [INFO ] Invariant cache hit.
[2023-03-11 01:34:08] [INFO ] Dead Transitions using invariants and state equation in 1269 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/278 places, 3871/3904 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 6388 ms. Remains : 277/278 places, 3871/3904 transitions.
Stuttering acceptance computed with spot in 104 ms :[true, (NOT p0), (NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m032-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ s191 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 172 reset in 654 ms.
Product exploration explored 100000 steps with 168 reset in 557 ms.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 193 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 90 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 14 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 161492 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :{}
Probabilistic random walk after 161492 steps, saw 82194 distinct states, run finished after 3002 ms. (steps per millisecond=53 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:34:13] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:13] [INFO ] Invariant cache hit.
[2023-03-11 01:34:13] [INFO ] After 64ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:34:13] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-11 01:34:14] [INFO ] After 688ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:14] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-11 01:34:14] [INFO ] After 343ms SMT Verify possible using 282 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:15] [INFO ] Deduced a trap composed of 17 places in 648 ms of which 1 ms to minimize.
[2023-03-11 01:34:15] [INFO ] Deduced a trap composed of 70 places in 660 ms of which 2 ms to minimize.
[2023-03-11 01:34:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1573 ms
[2023-03-11 01:34:16] [INFO ] After 1969ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 84 ms.
[2023-03-11 01:34:16] [INFO ] After 2835ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 4 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 275 transition count 3877
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 275 transition count 3871
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 16 place count 269 transition count 3871
Applied a total of 16 rules in 199 ms. Remains 269 /277 variables (removed 8) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 200 ms. Remains : 269/277 places, 3871/3871 transitions.
Incomplete random walk after 10018 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=527 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 145227 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :{}
Probabilistic random walk after 145227 steps, saw 59755 distinct states, run finished after 3001 ms. (steps per millisecond=48 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:34:19] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-11 01:34:19] [INFO ] Computed 8 place invariants in 28 ms
[2023-03-11 01:34:19] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:34:19] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-11 01:34:20] [INFO ] After 713ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:20] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:34:20] [INFO ] After 397ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:21] [INFO ] Deduced a trap composed of 19 places in 631 ms of which 1 ms to minimize.
[2023-03-11 01:34:24] [INFO ] Deduced a trap composed of 5 places in 172 ms of which 0 ms to minimize.
[2023-03-11 01:34:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 3600 ms
[2023-03-11 01:34:24] [INFO ] After 4089ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 84 ms.
[2023-03-11 01:34:24] [INFO ] After 4956ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 1 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 80 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 80 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 73 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-11 01:34:24] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:34:24] [INFO ] Invariant cache hit.
[2023-03-11 01:34:25] [INFO ] Implicit Places using invariants in 511 ms returned []
[2023-03-11 01:34:25] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:34:25] [INFO ] Invariant cache hit.
[2023-03-11 01:34:25] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:34:26] [INFO ] Implicit Places using invariants and state equation in 1815 ms returned []
Implicit Place search using SMT with State Equation took 2333 ms to find 0 implicit places.
[2023-03-11 01:34:27] [INFO ] Redundant transitions in 156 ms returned []
[2023-03-11 01:34:27] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:34:27] [INFO ] Invariant cache hit.
[2023-03-11 01:34:28] [INFO ] Dead Transitions using invariants and state equation in 1409 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3981 ms. Remains : 269/269 places, 3871/3871 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 167 transitions
Reduce isomorphic transitions removed 173 transitions.
Iterating post reduction 0 with 173 rules applied. Total rules applied 173 place count 269 transition count 3698
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 2 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 177 place count 267 transition count 3696
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 178 place count 267 transition count 3695
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 182 place count 267 transition count 3691
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 186 place count 263 transition count 3691
Applied a total of 186 rules in 256 ms. Remains 263 /269 variables (removed 6) and now considering 3691/3871 (removed 180) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3691 rows 263 cols
[2023-03-11 01:34:28] [INFO ] Computed 9 place invariants in 27 ms
[2023-03-11 01:34:28] [INFO ] After 64ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:34:28] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-11 01:34:29] [INFO ] After 744ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:29] [INFO ] After 910ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 102 ms.
[2023-03-11 01:34:29] [INFO ] After 1067ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 203 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 93 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 119 ms :[true, (NOT p0), (NOT p0)]
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Applied a total of 0 rules in 27 ms. Remains 277 /277 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-11 01:34:30] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2023-03-11 01:34:30] [INFO ] Computed 8 place invariants in 25 ms
[2023-03-11 01:34:30] [INFO ] Implicit Places using invariants in 507 ms returned []
[2023-03-11 01:34:30] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:30] [INFO ] Invariant cache hit.
[2023-03-11 01:34:31] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-11 01:34:32] [INFO ] Implicit Places using invariants and state equation in 1968 ms returned []
Implicit Place search using SMT with State Equation took 2476 ms to find 0 implicit places.
[2023-03-11 01:34:32] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:32] [INFO ] Invariant cache hit.
[2023-03-11 01:34:33] [INFO ] Dead Transitions using invariants and state equation in 1060 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3565 ms. Remains : 277/277 places, 3871/3871 transitions.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 98 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 62 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 25 resets, run finished after 66 ms. (steps per millisecond=151 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 163289 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :{}
Probabilistic random walk after 163289 steps, saw 83107 distinct states, run finished after 3001 ms. (steps per millisecond=54 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:34:37] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:37] [INFO ] Invariant cache hit.
[2023-03-11 01:34:37] [INFO ] After 68ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:34:37] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-11 01:34:38] [INFO ] After 740ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:38] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-11 01:34:38] [INFO ] After 322ms SMT Verify possible using 282 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:39] [INFO ] Deduced a trap composed of 17 places in 666 ms of which 1 ms to minimize.
[2023-03-11 01:34:39] [INFO ] Deduced a trap composed of 70 places in 635 ms of which 1 ms to minimize.
[2023-03-11 01:34:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1556 ms
[2023-03-11 01:34:40] [INFO ] After 1946ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 95 ms.
[2023-03-11 01:34:40] [INFO ] After 2860ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 6 ms.
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 4 place count 275 transition count 3877
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 10 place count 275 transition count 3871
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 16 place count 269 transition count 3871
Applied a total of 16 rules in 150 ms. Remains 269 /277 variables (removed 8) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152 ms. Remains : 269/277 places, 3871/3871 transitions.
Incomplete random walk after 10004 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 169308 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :{}
Probabilistic random walk after 169308 steps, saw 75893 distinct states, run finished after 3002 ms. (steps per millisecond=56 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:34:43] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-11 01:34:43] [INFO ] Computed 8 place invariants in 26 ms
[2023-03-11 01:34:43] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:34:43] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-11 01:34:44] [INFO ] After 806ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:44] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:34:44] [INFO ] After 384ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:45] [INFO ] Deduced a trap composed of 19 places in 605 ms of which 1 ms to minimize.
[2023-03-11 01:34:47] [INFO ] Deduced a trap composed of 5 places in 179 ms of which 1 ms to minimize.
[2023-03-11 01:34:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 2672 ms
[2023-03-11 01:34:47] [INFO ] After 3155ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 109 ms.
[2023-03-11 01:34:47] [INFO ] After 4138ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 1 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 86 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 87 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 71 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-11 01:34:47] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:34:47] [INFO ] Invariant cache hit.
[2023-03-11 01:34:48] [INFO ] Implicit Places using invariants in 454 ms returned []
[2023-03-11 01:34:48] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:34:48] [INFO ] Invariant cache hit.
[2023-03-11 01:34:48] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:34:50] [INFO ] Implicit Places using invariants and state equation in 2239 ms returned []
Implicit Place search using SMT with State Equation took 2697 ms to find 0 implicit places.
[2023-03-11 01:34:50] [INFO ] Redundant transitions in 155 ms returned []
[2023-03-11 01:34:50] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:34:50] [INFO ] Invariant cache hit.
[2023-03-11 01:34:51] [INFO ] Dead Transitions using invariants and state equation in 1346 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4286 ms. Remains : 269/269 places, 3871/3871 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 167 transitions
Reduce isomorphic transitions removed 173 transitions.
Iterating post reduction 0 with 173 rules applied. Total rules applied 173 place count 269 transition count 3698
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 177 place count 267 transition count 3696
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 178 place count 267 transition count 3695
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 182 place count 267 transition count 3691
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 186 place count 263 transition count 3691
Applied a total of 186 rules in 260 ms. Remains 263 /269 variables (removed 6) and now considering 3691/3871 (removed 180) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3691 rows 263 cols
[2023-03-11 01:34:52] [INFO ] Computed 9 place invariants in 25 ms
[2023-03-11 01:34:52] [INFO ] After 72ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:34:52] [INFO ] [Nat]Absence check using 9 positive place invariants in 2 ms returned sat
[2023-03-11 01:34:53] [INFO ] After 700ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:34:53] [INFO ] After 859ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 95 ms.
[2023-03-11 01:34:53] [INFO ] After 1018ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 188 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 103 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 132 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 119 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 181 reset in 781 ms.
Product exploration explored 100000 steps with 173 reset in 638 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 115 ms :[true, (NOT p0), (NOT p0)]
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -10
Deduced a syphon composed of 2 places in 4 ms
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 277 transition count 3881
Deduced a syphon composed of 2 places in 4 ms
Applied a total of 2 rules in 145 ms. Remains 277 /277 variables (removed 0) and now considering 3881/3871 (removed -10) transitions.
[2023-03-11 01:34:55] [INFO ] Redundant transitions in 153 ms returned []
[2023-03-11 01:34:55] [INFO ] Flow matrix only has 3709 transitions (discarded 172 similar events)
// Phase 1: matrix 3709 rows 277 cols
[2023-03-11 01:34:55] [INFO ] Computed 8 place invariants in 26 ms
[2023-03-11 01:34:57] [INFO ] Dead Transitions using invariants and state equation in 1268 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 277/277 places, 3881/3871 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1584 ms. Remains : 277/277 places, 3881/3871 transitions.
Support contains 1 out of 277 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 277/277 places, 3871/3871 transitions.
Applied a total of 0 rules in 10 ms. Remains 277 /277 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-11 01:34:57] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2023-03-11 01:34:57] [INFO ] Computed 8 place invariants in 23 ms
[2023-03-11 01:34:57] [INFO ] Implicit Places using invariants in 347 ms returned []
[2023-03-11 01:34:57] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:57] [INFO ] Invariant cache hit.
[2023-03-11 01:34:58] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-11 01:34:59] [INFO ] Implicit Places using invariants and state equation in 1825 ms returned []
Implicit Place search using SMT with State Equation took 2174 ms to find 0 implicit places.
[2023-03-11 01:34:59] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:34:59] [INFO ] Invariant cache hit.
[2023-03-11 01:35:00] [INFO ] Dead Transitions using invariants and state equation in 1047 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3233 ms. Remains : 277/277 places, 3871/3871 transitions.
Treatment of property BugTracking-PT-q8m032-LTLCardinality-05 finished in 58676 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((p0&&F(p1))))))'
Support contains 3 out of 278 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 278/278 places, 3904/3904 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 277 transition count 3871
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 277 transition count 3871
Applied a total of 2 rules in 23 ms. Remains 277 /278 variables (removed 1) and now considering 3871/3904 (removed 33) transitions.
[2023-03-11 01:35:00] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:35:00] [INFO ] Invariant cache hit.
[2023-03-11 01:35:01] [INFO ] Implicit Places using invariants in 416 ms returned []
[2023-03-11 01:35:01] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:35:01] [INFO ] Invariant cache hit.
[2023-03-11 01:35:01] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-11 01:35:03] [INFO ] Implicit Places using invariants and state equation in 1987 ms returned []
Implicit Place search using SMT with State Equation took 2423 ms to find 0 implicit places.
[2023-03-11 01:35:03] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-11 01:35:03] [INFO ] Invariant cache hit.
[2023-03-11 01:35:04] [INFO ] Dead Transitions using invariants and state equation in 1258 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/278 places, 3871/3904 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3708 ms. Remains : 277/278 places, 3871/3904 transitions.
Stuttering acceptance computed with spot in 328 ms :[(NOT p1), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), (OR (NOT p0) (NOT p1)), true]
Running random walk in product with property : BugTracking-PT-q8m032-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: 5}], [{ cond=true, acceptance={} source=2 dest: 1}], [{ cond=true, acceptance={} source=3 dest: 2}], [{ cond=true, acceptance={} source=4 dest: 3}], [{ cond=true, acceptance={0} source=5 dest: 5}]], initial=4, aps=[p1:(LEQ s118 s110), p0:(LEQ 1 s153)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, very-weak, weak, inherently-weak], stateDesc=[null, null, null, null, null, null][false, false, false, false, false, false]]
Entered a terminal (fully accepting) state of product in 3 steps with 0 reset in 1 ms.
FORMULA BugTracking-PT-q8m032-LTLCardinality-07 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BugTracking-PT-q8m032-LTLCardinality-07 finished in 4072 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 2 out of 278 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 278/278 places, 3904/3904 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 1 places in 4 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 2 place count 277 transition count 3908
Applied a total of 2 rules in 127 ms. Remains 277 /278 variables (removed 1) and now considering 3908/3904 (removed -4) transitions.
[2023-03-11 01:35:04] [INFO ] Flow matrix only has 3728 transitions (discarded 180 similar events)
// Phase 1: matrix 3728 rows 277 cols
[2023-03-11 01:35:04] [INFO ] Computed 8 place invariants in 23 ms
[2023-03-11 01:35:05] [INFO ] Implicit Places using invariants in 496 ms returned []
[2023-03-11 01:35:05] [INFO ] Flow matrix only has 3728 transitions (discarded 180 similar events)
[2023-03-11 01:35:05] [INFO ] Invariant cache hit.
[2023-03-11 01:35:06] [INFO ] State equation strengthened by 303 read => feed constraints.
[2023-03-11 01:35:07] [INFO ] Implicit Places using invariants and state equation in 2176 ms returned []
Implicit Place search using SMT with State Equation took 2675 ms to find 0 implicit places.
[2023-03-11 01:35:07] [INFO ] Redundant transitions in 156 ms returned []
[2023-03-11 01:35:07] [INFO ] Flow matrix only has 3728 transitions (discarded 180 similar events)
[2023-03-11 01:35:07] [INFO ] Invariant cache hit.
[2023-03-11 01:35:08] [INFO ] Dead Transitions using invariants and state equation in 1158 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 277/278 places, 3908/3904 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4122 ms. Remains : 277/278 places, 3908/3904 transitions.
Stuttering acceptance computed with spot in 54 ms :[(NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m032-LTLCardinality-13 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 s123 s28)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant], stateDesc=[null][true]]
Stuttering criterion allowed to conclude after 544 steps with 0 reset in 7 ms.
FORMULA BugTracking-PT-q8m032-LTLCardinality-13 FALSE TECHNIQUES STUTTER_TEST
Treatment of property BugTracking-PT-q8m032-LTLCardinality-13 finished in 4207 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)))'
Found a Lengthening insensitive property : BugTracking-PT-q8m032-LTLCardinality-05
Stuttering acceptance computed with spot in 91 ms :[true, (NOT p0), (NOT p0)]
Support contains 1 out of 278 places. Attempting structural reductions.
Starting structural reductions in LI_LTL mode, iteration 0 : 278/278 places, 3904/3904 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 277 transition count 3871
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 277 transition count 3871
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -6
Deduced a syphon composed of 2 places in 3 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 0 with 4 rules applied. Total rules applied 6 place count 275 transition count 3877
Applied a total of 6 rules in 73 ms. Remains 275 /278 variables (removed 3) and now considering 3877/3904 (removed 27) transitions.
[2023-03-11 01:35:09] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-11 01:35:09] [INFO ] Computed 8 place invariants in 24 ms
[2023-03-11 01:35:09] [INFO ] Implicit Places using invariants in 465 ms returned []
[2023-03-11 01:35:09] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:09] [INFO ] Invariant cache hit.
[2023-03-11 01:35:10] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:11] [INFO ] Implicit Places using invariants and state equation in 1769 ms returned []
Implicit Place search using SMT with State Equation took 2238 ms to find 0 implicit places.
[2023-03-11 01:35:11] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:11] [INFO ] Invariant cache hit.
[2023-03-11 01:35:12] [INFO ] Dead Transitions using invariants and state equation in 1200 ms found 0 transitions.
Starting structural reductions in LI_LTL mode, iteration 1 : 275/278 places, 3877/3904 transitions.
Finished structural reductions in LI_LTL mode , in 1 iterations and 3532 ms. Remains : 275/278 places, 3877/3904 transitions.
Running random walk in product with property : BugTracking-PT-q8m032-LTLCardinality-05 automaton TGBA Formula[mat=[[{ cond=true, acceptance={0} source=0 dest: 0}], [{ cond=true, acceptance={} source=1 dest: 2}], [{ cond=(NOT p0), acceptance={} source=2 dest: 0}, { cond=p0, acceptance={} source=2 dest: 2}]], initial=1, aps=[p0:(LEQ s189 0)], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-sensitive, terminal, very-weak, weak, inherently-weak, sl-invariant], stateDesc=[null, null, null][false, false, false]]
Product exploration explored 100000 steps with 182 reset in 597 ms.
Product exploration explored 100000 steps with 180 reset in 615 ms.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 203 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 82 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 15 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 3 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 160215 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :{}
Probabilistic random walk after 160215 steps, saw 81520 distinct states, run finished after 3001 ms. (steps per millisecond=53 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:35:17] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:17] [INFO ] Invariant cache hit.
[2023-03-11 01:35:17] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:35:17] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-11 01:35:18] [INFO ] After 705ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:18] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:18] [INFO ] After 199ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:19] [INFO ] Deduced a trap composed of 63 places in 538 ms of which 1 ms to minimize.
[2023-03-11 01:35:19] [INFO ] Deduced a trap composed of 48 places in 491 ms of which 1 ms to minimize.
[2023-03-11 01:35:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1243 ms
[2023-03-11 01:35:19] [INFO ] After 1503ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 106 ms.
[2023-03-11 01:35:19] [INFO ] After 2420ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 1 out of 275 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 275/275 places, 3877/3877 transitions.
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 275 transition count 3871
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 12 place count 269 transition count 3871
Applied a total of 12 rules in 163 ms. Remains 269 /275 variables (removed 6) and now considering 3871/3877 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 269/275 places, 3871/3877 transitions.
Incomplete random walk after 10018 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=477 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 144626 steps, run timeout after 3001 ms. (steps per millisecond=48 ) properties seen :{}
Probabilistic random walk after 144626 steps, saw 59350 distinct states, run finished after 3001 ms. (steps per millisecond=48 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:35:23] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-11 01:35:23] [INFO ] Computed 8 place invariants in 23 ms
[2023-03-11 01:35:23] [INFO ] After 72ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:35:23] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-11 01:35:24] [INFO ] After 839ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:24] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:24] [INFO ] After 412ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:25] [INFO ] Deduced a trap composed of 19 places in 592 ms of which 2 ms to minimize.
[2023-03-11 01:35:27] [INFO ] Deduced a trap composed of 5 places in 156 ms of which 1 ms to minimize.
[2023-03-11 01:35:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 3069 ms
[2023-03-11 01:35:27] [INFO ] After 3590ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 112 ms.
[2023-03-11 01:35:27] [INFO ] After 4679ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 1 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 88 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 90 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 73 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-11 01:35:28] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:35:28] [INFO ] Invariant cache hit.
[2023-03-11 01:35:28] [INFO ] Implicit Places using invariants in 468 ms returned []
[2023-03-11 01:35:28] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:35:28] [INFO ] Invariant cache hit.
[2023-03-11 01:35:29] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:30] [INFO ] Implicit Places using invariants and state equation in 1772 ms returned []
Implicit Place search using SMT with State Equation took 2242 ms to find 0 implicit places.
[2023-03-11 01:35:30] [INFO ] Redundant transitions in 103 ms returned []
[2023-03-11 01:35:30] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:35:30] [INFO ] Invariant cache hit.
[2023-03-11 01:35:31] [INFO ] Dead Transitions using invariants and state equation in 1206 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3649 ms. Remains : 269/269 places, 3871/3871 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 167 transitions
Reduce isomorphic transitions removed 173 transitions.
Iterating post reduction 0 with 173 rules applied. Total rules applied 173 place count 269 transition count 3698
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 177 place count 267 transition count 3696
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 178 place count 267 transition count 3695
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 182 place count 267 transition count 3691
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 186 place count 263 transition count 3691
Applied a total of 186 rules in 282 ms. Remains 263 /269 variables (removed 6) and now considering 3691/3871 (removed 180) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3691 rows 263 cols
[2023-03-11 01:35:31] [INFO ] Computed 9 place invariants in 27 ms
[2023-03-11 01:35:32] [INFO ] After 95ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:35:32] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-11 01:35:32] [INFO ] After 605ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:32] [INFO ] After 720ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 96 ms.
[2023-03-11 01:35:32] [INFO ] After 869ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 175 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 96 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 97 ms :[true, (NOT p0), (NOT p0)]
Support contains 1 out of 275 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 275/275 places, 3877/3877 transitions.
Applied a total of 0 rules in 15 ms. Remains 275 /275 variables (removed 0) and now considering 3877/3877 (removed 0) transitions.
[2023-03-11 01:35:33] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-11 01:35:33] [INFO ] Computed 8 place invariants in 24 ms
[2023-03-11 01:35:33] [INFO ] Implicit Places using invariants in 398 ms returned []
[2023-03-11 01:35:33] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:33] [INFO ] Invariant cache hit.
[2023-03-11 01:35:34] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:35] [INFO ] Implicit Places using invariants and state equation in 1711 ms returned []
Implicit Place search using SMT with State Equation took 2114 ms to find 0 implicit places.
[2023-03-11 01:35:35] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:35] [INFO ] Invariant cache hit.
[2023-03-11 01:35:36] [INFO ] Dead Transitions using invariants and state equation in 1066 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3199 ms. Remains : 275/275 places, 3877/3877 transitions.
Computed a total of 6 stabilizing places and 131 stable transitions
Computed a total of 6 stabilizing places and 131 stable transitions
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 148 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 74 ms :[true, (NOT p0), (NOT p0)]
Incomplete random walk after 10000 steps, including 16 resets, run finished after 56 ms. (steps per millisecond=178 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 167230 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :{}
Probabilistic random walk after 167230 steps, saw 85111 distinct states, run finished after 3003 ms. (steps per millisecond=55 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:35:39] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:39] [INFO ] Invariant cache hit.
[2023-03-11 01:35:39] [INFO ] After 75ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:35:39] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-11 01:35:40] [INFO ] After 777ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:40] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:40] [INFO ] After 221ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:41] [INFO ] Deduced a trap composed of 63 places in 526 ms of which 1 ms to minimize.
[2023-03-11 01:35:42] [INFO ] Deduced a trap composed of 48 places in 526 ms of which 2 ms to minimize.
[2023-03-11 01:35:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1334 ms
[2023-03-11 01:35:42] [INFO ] After 1632ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 143 ms.
[2023-03-11 01:35:42] [INFO ] After 2631ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 1 out of 275 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 275/275 places, 3877/3877 transitions.
Free-agglomeration rule applied 6 times.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 275 transition count 3871
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 12 place count 269 transition count 3871
Applied a total of 12 rules in 159 ms. Remains 269 /275 variables (removed 6) and now considering 3871/3877 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 159 ms. Remains : 269/275 places, 3871/3877 transitions.
Incomplete random walk after 10014 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=527 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 159240 steps, run timeout after 3001 ms. (steps per millisecond=53 ) properties seen :{}
Probabilistic random walk after 159240 steps, saw 69145 distinct states, run finished after 3002 ms. (steps per millisecond=53 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-11 01:35:45] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-11 01:35:45] [INFO ] Computed 8 place invariants in 22 ms
[2023-03-11 01:35:45] [INFO ] After 67ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:35:45] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-11 01:35:46] [INFO ] After 774ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:46] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:47] [INFO ] After 414ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:47] [INFO ] Deduced a trap composed of 19 places in 641 ms of which 1 ms to minimize.
[2023-03-11 01:35:50] [INFO ] Deduced a trap composed of 5 places in 163 ms of which 0 ms to minimize.
[2023-03-11 01:35:50] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 3275 ms
[2023-03-11 01:35:50] [INFO ] After 3798ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 108 ms.
[2023-03-11 01:35:50] [INFO ] After 4753ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 3 ms.
Support contains 1 out of 269 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 83 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 269/269 places, 3871/3871 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 269/269 places, 3871/3871 transitions.
Applied a total of 0 rules in 67 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-11 01:35:50] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:35:50] [INFO ] Invariant cache hit.
[2023-03-11 01:35:51] [INFO ] Implicit Places using invariants in 482 ms returned []
[2023-03-11 01:35:51] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:35:51] [INFO ] Invariant cache hit.
[2023-03-11 01:35:51] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:35:53] [INFO ] Implicit Places using invariants and state equation in 1880 ms returned []
Implicit Place search using SMT with State Equation took 2364 ms to find 0 implicit places.
[2023-03-11 01:35:53] [INFO ] Redundant transitions in 154 ms returned []
[2023-03-11 01:35:53] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-11 01:35:53] [INFO ] Invariant cache hit.
[2023-03-11 01:35:54] [INFO ] Dead Transitions using invariants and state equation in 1140 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3739 ms. Remains : 269/269 places, 3871/3871 transitions.
Drop transitions removed 6 transitions
Ensure Unique test removed 167 transitions
Reduce isomorphic transitions removed 173 transitions.
Iterating post reduction 0 with 173 rules applied. Total rules applied 173 place count 269 transition count 3698
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 1 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 177 place count 267 transition count 3696
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 178 place count 267 transition count 3695
Free-agglomeration rule applied 4 times.
Iterating global reduction 1 with 4 rules applied. Total rules applied 182 place count 267 transition count 3691
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 186 place count 263 transition count 3691
Applied a total of 186 rules in 242 ms. Remains 263 /269 variables (removed 6) and now considering 3691/3871 (removed 180) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 3691 rows 263 cols
[2023-03-11 01:35:54] [INFO ] Computed 9 place invariants in 24 ms
[2023-03-11 01:35:54] [INFO ] After 66ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-11 01:35:54] [INFO ] [Nat]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-11 01:35:55] [INFO ] After 739ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-11 01:35:55] [INFO ] After 870ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 88 ms.
[2023-03-11 01:35:55] [INFO ] After 1021ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Knowledge obtained : [p0, (X p0), true, (X (X p0))]
False Knowledge obtained : []
Knowledge based reduction with 4 factoid took 213 ms. Reduced automaton from 3 states, 4 edges and 1 AP (stutter sensitive) to 3 states, 4 edges and 1 AP (stutter sensitive).
Stuttering acceptance computed with spot in 108 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 121 ms :[true, (NOT p0), (NOT p0)]
Stuttering acceptance computed with spot in 120 ms :[true, (NOT p0), (NOT p0)]
Product exploration explored 100000 steps with 174 reset in 660 ms.
Product exploration explored 100000 steps with 170 reset in 544 ms.
Applying partial POR strategy [true, false, true]
Stuttering acceptance computed with spot in 120 ms :[true, (NOT p0), (NOT p0)]
Support contains 1 out of 275 places. Attempting structural reductions.
Starting structural reductions in SI_LTL mode, iteration 0 : 275/275 places, 3877/3877 transitions.
Applied a total of 0 rules in 82 ms. Remains 275 /275 variables (removed 0) and now considering 3877/3877 (removed 0) transitions.
[2023-03-11 01:35:58] [INFO ] Redundant transitions in 139 ms returned []
[2023-03-11 01:35:58] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-11 01:35:58] [INFO ] Computed 8 place invariants in 23 ms
[2023-03-11 01:35:59] [INFO ] Dead Transitions using invariants and state equation in 1364 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 1604 ms. Remains : 275/275 places, 3877/3877 transitions.
Support contains 1 out of 275 places. Attempting structural reductions.
Starting structural reductions in LTL mode, iteration 0 : 275/275 places, 3877/3877 transitions.
Applied a total of 0 rules in 11 ms. Remains 275 /275 variables (removed 0) and now considering 3877/3877 (removed 0) transitions.
[2023-03-11 01:35:59] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:59] [INFO ] Invariant cache hit.
[2023-03-11 01:35:59] [INFO ] Implicit Places using invariants in 319 ms returned []
[2023-03-11 01:35:59] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:35:59] [INFO ] Invariant cache hit.
[2023-03-11 01:36:00] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-11 01:36:01] [INFO ] Implicit Places using invariants and state equation in 1952 ms returned []
Implicit Place search using SMT with State Equation took 2278 ms to find 0 implicit places.
[2023-03-11 01:36:01] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-11 01:36:01] [INFO ] Invariant cache hit.
[2023-03-11 01:36:02] [INFO ] Dead Transitions using invariants and state equation in 1204 ms found 0 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3494 ms. Remains : 275/275 places, 3877/3877 transitions.
Treatment of property BugTracking-PT-q8m032-LTLCardinality-05 finished in 54140 ms.
[2023-03-11 01:36:03] [INFO ] Flatten gal took : 199 ms
[2023-03-11 01:36:03] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLCardinality.sr.xml took 2 ms.
[2023-03-11 01:36:03] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 278 places, 3904 transitions and 19190 arcs took 34 ms.
Total runtime 163596 ms.
There are residual formulas that ITS could not solve within timeout
starting LoLA
BK_INPUT BugTracking-PT-q8m032
BK_EXAMINATION: LTLCardinality
bin directory: /home/mcc/BenchKit/bin//../reducer/bin//../../lola/bin/
current directory: /home/mcc/execution/379
LTLCardinality

BK_STOP 1678498583844

--------------------
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
lola: MEM LIMIT 32
lola: MEM LIMIT 5
lola: NET
lola: input: PNML file (--pnmlnet)
lola: reading net from /home/mcc/execution/379/model.pnml
lola: reading pnml
lola: PNML file contains place/transition net
lola: finished parsing
lola: closed net file /home/mcc/execution/379/model.pnml
lola: Reading formula.
lola: Using XML format (--xmlformula)
lola: reading XML formula
lola: reading formula from /home/mcc/execution/379/LTLCardinality.xml
lola: Rule S: 0 transitions removed,0 places removed
lola: Created skeleton in 1.000000 secs.
lola: LAUNCH task # 1 (type EXCL) for 0 BugTracking-PT-q8m032-LTLCardinality-05
lola: time limit : 3599 sec
lola: memory limit: 32 pages
FINISHED FORMULA: CATEGORY VALUE PRODUCED BY

PENDING FORMULAS: CATEGORY IDL ACT RUN SUS FIN C/T C/M OBS
BugTracking-PT-q8m032-LTLCardinality-05: LTL 0 0 1 0 1 0 0 0

TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 4/3599 8/32 BugTracking-PT-q8m032-LTLCardinality-05 791130 m, 158226 m/sec, 1008038 t fired, .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 9/3599 17/32 BugTracking-PT-q8m032-LTLCardinality-05 1730789 m, 187931 m/sec, 2205347 t fired, .

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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS
1 LTL EXCL 14/3599 26/32 BugTracking-PT-q8m032-LTLCardinality-05 2682238 m, 190289 m/sec, 3417683 t fired, .

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lola: CANCELED task # 1 (type EXCL) for BugTracking-PT-q8m032-LTLCardinality-05 (memory limit exceeded)
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TASK CATEGORY TYPE TIME/TLIMIT MEM PG/PGLIMIT FORMULA STATUS

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lola: Portfolio finished: no open tasks 1

FINAL RESULTS
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BugTracking-PT-q8m032-LTLCardinality-05: LTL unknown AGGR


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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="BugTracking-PT-q8m032"
export BK_EXAMINATION="LTLCardinality"
export BK_TOOL="lolaxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5348"
echo " Executing tool lolaxred"
echo " Input is BugTracking-PT-q8m032, 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 r039-tajo-167813692500419"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q8m032.tgz
mv BugTracking-PT-q8m032 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 '' LTLCardinality.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;