fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r041-tajo-167813694700412
Last Updated
May 14, 2023

About the Execution of LTSMin+red for BugTracking-PT-q8m016

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
964.415 84950.00 119637.00 131.50 TFF?TFFFFTFFFTFT 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.r041-tajo-167813694700412.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 ltsminxred
Input is BugTracking-PT-q8m016, examination is LTLFireability
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r041-tajo-167813694700412
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 16M
-rw-r--r-- 1 mcc users 8.8K Feb 26 08:13 CTLCardinality.txt
-rw-r--r-- 1 mcc users 80K Feb 26 08:13 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.9K Feb 26 07:52 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 07:52 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.3K Feb 25 15:37 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K Feb 25 15:37 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:38 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:38 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 08:45 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 119K Feb 26 08:45 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Feb 26 08:29 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 102K Feb 26 08:29 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-q8m016-LTLFireability-00
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-01
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-02
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-03
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-04
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-05
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-06
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-07
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-08
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-09
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-10
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-11
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-12
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-13
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-14
FORMULA_NAME BugTracking-PT-q8m016-LTLFireability-15

=== Now, execution of the tool begins

BK_START 1678635111684

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=LTLFireability
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=BugTracking-PT-q8m016
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 15:31:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, LTLFireability, -timeout, 360, -rebuildPNML]
[2023-03-12 15:31:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 15:31:54] [INFO ] Load time of PNML (sax parser for PT used): 651 ms
[2023-03-12 15:31:54] [INFO ] Transformed 754 places.
[2023-03-12 15:31:54] [INFO ] Transformed 27370 transitions.
[2023-03-12 15:31:54] [INFO ] Parsed PT model containing 754 places and 27370 transitions and 136172 arcs in 812 ms.
Parsed 16 properties from file /home/mcc/execution/LTLFireability.xml in 12 ms.
Working with output stream class java.io.PrintStream
Initial state reduction rules removed 4 formulas.
Deduced a syphon composed of 474 places in 110 ms
Reduce places removed 474 places and 23466 transitions.
Initial state reduction rules removed 1 formulas.
FORMULA BugTracking-PT-q8m016-LTLFireability-02 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-04 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-06 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-07 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-08 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-13 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-14 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-15 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-00 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-05 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-09 TRUE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-10 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-11 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA BugTracking-PT-q8m016-LTLFireability-12 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
Support contains 5 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
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 3 place count 277 transition count 3871
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 277 transition count 3871
Applied a total of 4 rules in 74 ms. Remains 277 /280 variables (removed 3) and now considering 3871/3904 (removed 33) transitions.
[2023-03-12 15:31:54] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
// Phase 1: matrix 3707 rows 277 cols
[2023-03-12 15:31:54] [INFO ] Computed 8 place invariants in 48 ms
[2023-03-12 15:31:55] [INFO ] Implicit Places using invariants in 560 ms returned []
[2023-03-12 15:31:55] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-12 15:31:55] [INFO ] Invariant cache hit.
[2023-03-12 15:31:55] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-12 15:31:56] [INFO ] Implicit Places using invariants and state equation in 1708 ms returned []
Implicit Place search using SMT with State Equation took 2296 ms to find 0 implicit places.
[2023-03-12 15:31:56] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-12 15:31:56] [INFO ] Invariant cache hit.
[2023-03-12 15:31:58] [INFO ] Dead Transitions using invariants and state equation in 1106 ms found 0 transitions.
Starting structural reductions in LTL mode, iteration 1 : 277/280 places, 3871/3904 transitions.
Finished structural reductions in LTL mode , in 1 iterations and 3480 ms. Remains : 277/280 places, 3871/3904 transitions.
Support contains 5 out of 277 places after structural reductions.
[2023-03-12 15:31:58] [INFO ] Flatten gal took : 351 ms
[2023-03-12 15:31:58] [INFO ] Flatten gal took : 203 ms
[2023-03-12 15:31:59] [INFO ] Input system was already deterministic with 3871 transitions.
Incomplete random walk after 10000 steps, including 24 resets, run finished after 215 ms. (steps per millisecond=46 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 7 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 10001 steps, including 4 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 2) seen :0
Interrupted probabilistic random walk after 111445 steps, run timeout after 3001 ms. (steps per millisecond=37 ) properties seen :{}
Probabilistic random walk after 111445 steps, saw 59070 distinct states, run finished after 3003 ms. (steps per millisecond=37 ) properties seen :0
Running SMT prover for 2 properties.
[2023-03-12 15:32:02] [INFO ] Flow matrix only has 3707 transitions (discarded 164 similar events)
[2023-03-12 15:32:02] [INFO ] Invariant cache hit.
[2023-03-12 15:32:02] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:32:03] [INFO ] After 693ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2
[2023-03-12 15:32:03] [INFO ] State equation strengthened by 282 read => feed constraints.
[2023-03-12 15:32:03] [INFO ] After 304ms SMT Verify possible using 282 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-12 15:32:03] [INFO ] After 1125ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-12 15:32:03] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:04] [INFO ] After 878ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-12 15:32:05] [INFO ] After 626ms SMT Verify possible using 282 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-12 15:32:05] [INFO ] Deduced a trap composed of 24 places in 349 ms of which 7 ms to minimize.
[2023-03-12 15:32:05] [INFO ] Trap strengthening procedure managed to obtain unsat after adding 1 trap constraints in 427 ms
[2023-03-12 15:32:06] [INFO ] Deduced a trap composed of 62 places in 412 ms of which 1 ms to minimize.
[2023-03-12 15:32:06] [INFO ] Deduced a trap composed of 50 places in 276 ms of which 1 ms to minimize.
[2023-03-12 15:32:06] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 1026 ms
[2023-03-12 15:32:06] [INFO ] After 2178ms SMT Verify possible using trap constraints in natural domain returned unsat :1 sat :1
Attempting to minimize the solution found.
Minimization took 103 ms.
[2023-03-12 15:32:06] [INFO ] After 3242ms SMT Verify possible using all constraints in natural domain returned unsat :1 sat :1
Fused 2 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 7 ms.
Support contains 3 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 325 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 327 ms. Remains : 269/277 places, 3871/3871 transitions.
Incomplete random walk after 10000 steps, including 2 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 1) 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 1) seen :0
Interrupted probabilistic random walk after 140252 steps, run timeout after 3001 ms. (steps per millisecond=46 ) properties seen :{}
Probabilistic random walk after 140252 steps, saw 55653 distinct states, run finished after 3001 ms. (steps per millisecond=46 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 15:32:10] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:32:10] [INFO ] Computed 8 place invariants in 41 ms
[2023-03-12 15:32:10] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:11] [INFO ] After 704ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:32:11] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:11] [INFO ] After 159ms SMT Verify possible using 283 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:11] [INFO ] After 945ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:11] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:12] [INFO ] After 713ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:12] [INFO ] After 259ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:12] [INFO ] Deduced a trap composed of 89 places in 355 ms of which 1 ms to minimize.
[2023-03-12 15:32:13] [INFO ] Deduced a trap composed of 95 places in 363 ms of which 1 ms to minimize.
[2023-03-12 15:32:13] [INFO ] Deduced a trap composed of 65 places in 359 ms of which 0 ms to minimize.
[2023-03-12 15:32:14] [INFO ] Deduced a trap composed of 5 places in 274 ms of which 1 ms to minimize.
[2023-03-12 15:32:14] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 1931 ms
[2023-03-12 15:32:14] [INFO ] After 2240ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 77 ms.
[2023-03-12 15:32:14] [INFO ] After 3083ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 3 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 63 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 63 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 57 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:32:14] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:32:14] [INFO ] Invariant cache hit.
[2023-03-12 15:32:15] [INFO ] Implicit Places using invariants in 426 ms returned []
[2023-03-12 15:32:15] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:32:15] [INFO ] Invariant cache hit.
[2023-03-12 15:32:15] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:17] [INFO ] Implicit Places using invariants and state equation in 1978 ms returned []
Implicit Place search using SMT with State Equation took 2410 ms to find 0 implicit places.
[2023-03-12 15:32:17] [INFO ] Redundant transitions in 302 ms returned []
[2023-03-12 15:32:17] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:32:17] [INFO ] Invariant cache hit.
[2023-03-12 15:32:18] [INFO ] Dead Transitions using invariants and state equation in 1032 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3814 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 310 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
[2023-03-12 15:32:18] [INFO ] Computed 9 place invariants in 22 ms
[2023-03-12 15:32:18] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 15:32:19] [INFO ] After 630ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:32:19] [INFO ] After 714ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 54 ms.
[2023-03-12 15:32:19] [INFO ] After 824ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :1
Successfully simplified 1 atomic propositions for a total of 2 simplifications.
FORMULA BugTracking-PT-q8m016-LTLFireability-01 FALSE TECHNIQUES TOPOLOGICAL INITIAL_STATE
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' '!(G(p0))'
Support contains 3 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: -6
Deduced a syphon composed of 2 places in 2 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
Applied a total of 4 rules in 108 ms. Remains 275 /277 variables (removed 2) and now considering 3877/3871 (removed -6) transitions.
[2023-03-12 15:32:19] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-12 15:32:19] [INFO ] Computed 8 place invariants in 20 ms
[2023-03-12 15:32:20] [INFO ] Implicit Places using invariants in 378 ms returned []
[2023-03-12 15:32:20] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:32:20] [INFO ] Invariant cache hit.
[2023-03-12 15:32:20] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:22] [INFO ] Implicit Places using invariants and state equation in 1876 ms returned []
Implicit Place search using SMT with State Equation took 2260 ms to find 0 implicit places.
[2023-03-12 15:32:22] [INFO ] Redundant transitions in 294 ms returned []
[2023-03-12 15:32:22] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:32:22] [INFO ] Invariant cache hit.
[2023-03-12 15:32:23] [INFO ] Dead Transitions using invariants and state equation in 1261 ms found 0 transitions.
Starting structural reductions in SI_LTL mode, iteration 1 : 275/277 places, 3877/3871 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3939 ms. Remains : 275/277 places, 3877/3871 transitions.
Stuttering acceptance computed with spot in 143 ms :[true, (NOT p0)]
Running random walk in product with property : BugTracking-PT-q8m016-LTLFireability-03 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}]], initial=1, aps=[p0:(OR (LT s10 1) (LT s97 1) (LT s223 1))], nbAcceptance=1, properties=[trans-labels, explicit-labels, trans-acc, complete, deterministic, no-univ-branch, unambiguous, semi-deterministic, stutter-invariant, terminal, very-weak, weak, inherently-weak], stateDesc=[null, null][true, true]]
Product exploration explored 100000 steps with 333 reset in 877 ms.
Product exploration explored 100000 steps with 307 reset in 778 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 148 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 37 ms :[true, (NOT p0)]
Incomplete random walk after 10011 steps, including 39 resets, run finished after 49 ms. (steps per millisecond=204 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 5 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 179109 steps, run timeout after 3001 ms. (steps per millisecond=59 ) properties seen :{}
Probabilistic random walk after 179109 steps, saw 97209 distinct states, run finished after 3001 ms. (steps per millisecond=59 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 15:32:28] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:32:28] [INFO ] Invariant cache hit.
[2023-03-12 15:32:28] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:32:29] [INFO ] After 699ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:32:29] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:29] [INFO ] After 144ms SMT Verify possible using 283 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:29] [INFO ] After 922ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:29] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:30] [INFO ] After 578ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:30] [INFO ] After 286ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:31] [INFO ] Deduced a trap composed of 12 places in 430 ms of which 1 ms to minimize.
[2023-03-12 15:32:31] [INFO ] Deduced a trap composed of 90 places in 424 ms of which 0 ms to minimize.
[2023-03-12 15:32:32] [INFO ] Deduced a trap composed of 44 places in 417 ms of which 1 ms to minimize.
[2023-03-12 15:32:32] [INFO ] Deduced a trap composed of 17 places in 353 ms of which 0 ms to minimize.
[2023-03-12 15:32:32] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2106 ms
[2023-03-12 15:32:32] [INFO ] After 2439ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 82 ms.
[2023-03-12 15:32:32] [INFO ] After 3151ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 5 ms.
Support contains 3 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 153 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 154 ms. Remains : 269/275 places, 3871/3877 transitions.
Incomplete random walk after 10007 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 166236 steps, run timeout after 3001 ms. (steps per millisecond=55 ) properties seen :{}
Probabilistic random walk after 166236 steps, saw 73069 distinct states, run finished after 3001 ms. (steps per millisecond=55 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 15:32:36] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:32:36] [INFO ] Computed 8 place invariants in 19 ms
[2023-03-12 15:32:36] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:36] [INFO ] After 686ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:32:36] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:36] [INFO ] After 146ms SMT Verify possible using 283 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:36] [INFO ] After 899ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:37] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:37] [INFO ] After 603ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:37] [INFO ] After 186ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:38] [INFO ] Deduced a trap composed of 89 places in 421 ms of which 0 ms to minimize.
[2023-03-12 15:32:38] [INFO ] Deduced a trap composed of 95 places in 424 ms of which 0 ms to minimize.
[2023-03-12 15:32:39] [INFO ] Deduced a trap composed of 65 places in 379 ms of which 1 ms to minimize.
[2023-03-12 15:32:39] [INFO ] Deduced a trap composed of 5 places in 237 ms of which 0 ms to minimize.
[2023-03-12 15:32:39] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2015 ms
[2023-03-12 15:32:39] [INFO ] After 2245ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 68 ms.
[2023-03-12 15:32:39] [INFO ] After 2967ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 1 ms.
Support contains 3 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 61 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 61 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 54 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:32:40] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:32:40] [INFO ] Invariant cache hit.
[2023-03-12 15:32:40] [INFO ] Implicit Places using invariants in 427 ms returned []
[2023-03-12 15:32:40] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:32:40] [INFO ] Invariant cache hit.
[2023-03-12 15:32:41] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:42] [INFO ] Implicit Places using invariants and state equation in 1680 ms returned []
Implicit Place search using SMT with State Equation took 2114 ms to find 0 implicit places.
[2023-03-12 15:32:42] [INFO ] Redundant transitions in 114 ms returned []
[2023-03-12 15:32:42] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:32:42] [INFO ] Invariant cache hit.
[2023-03-12 15:32:43] [INFO ] Dead Transitions using invariants and state equation in 1106 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3405 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 288 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
[2023-03-12 15:32:43] [INFO ] Computed 9 place invariants in 27 ms
[2023-03-12 15:32:43] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 15:32:44] [INFO ] After 661ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:32:44] [INFO ] After 805ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 101 ms.
[2023-03-12 15:32:44] [INFO ] After 985ms SMT Verify possible using all constraints in real 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 169 ms. Reduced automaton from 2 states, 3 edges and 1 AP (stutter insensitive) to 2 states, 3 edges and 1 AP (stutter insensitive).
Stuttering acceptance computed with spot in 40 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 64 ms :[true, (NOT p0)]
Support contains 3 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 91 ms. Remains 275 /275 variables (removed 0) and now considering 3877/3877 (removed 0) transitions.
[2023-03-12 15:32:45] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-12 15:32:45] [INFO ] Computed 8 place invariants in 25 ms
[2023-03-12 15:32:45] [INFO ] Implicit Places using invariants in 470 ms returned []
[2023-03-12 15:32:45] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:32:45] [INFO ] Invariant cache hit.
[2023-03-12 15:32:46] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:47] [INFO ] Implicit Places using invariants and state equation in 1738 ms returned []
Implicit Place search using SMT with State Equation took 2210 ms to find 0 implicit places.
[2023-03-12 15:32:47] [INFO ] Redundant transitions in 197 ms returned []
[2023-03-12 15:32:47] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:32:47] [INFO ] Invariant cache hit.
[2023-03-12 15:32:48] [INFO ] Dead Transitions using invariants and state equation in 1116 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 3626 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 151 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 36 ms :[true, (NOT p0)]
Incomplete random walk after 10000 steps, including 28 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 6 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 164287 steps, run timeout after 3001 ms. (steps per millisecond=54 ) properties seen :{}
Probabilistic random walk after 164287 steps, saw 88775 distinct states, run finished after 3001 ms. (steps per millisecond=54 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 15:32:52] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:32:52] [INFO ] Invariant cache hit.
[2023-03-12 15:32:52] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:52] [INFO ] After 658ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:32:52] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:32:52] [INFO ] After 142ms SMT Verify possible using 283 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:52] [INFO ] After 865ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:32:52] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:32:53] [INFO ] After 711ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:53] [INFO ] After 267ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 15:32:54] [INFO ] Deduced a trap composed of 12 places in 409 ms of which 1 ms to minimize.
[2023-03-12 15:32:54] [INFO ] Deduced a trap composed of 90 places in 391 ms of which 1 ms to minimize.
[2023-03-12 15:32:55] [INFO ] Deduced a trap composed of 44 places in 416 ms of which 0 ms to minimize.
[2023-03-12 15:32:55] [INFO ] Deduced a trap composed of 17 places in 402 ms of which 0 ms to minimize.
[2023-03-12 15:32:56] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2118 ms
[2023-03-12 15:32:56] [INFO ] After 2448ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 106 ms.
[2023-03-12 15:32:56] [INFO ] After 3333ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 4 ms.
Support contains 3 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 153 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 153 ms. Remains : 269/275 places, 3871/3877 transitions.
Incomplete random walk after 10006 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 10001 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :0
Interrupted probabilistic random walk after 171026 steps, run timeout after 3001 ms. (steps per millisecond=56 ) properties seen :{}
Probabilistic random walk after 171026 steps, saw 76279 distinct states, run finished after 3001 ms. (steps per millisecond=56 ) properties seen :0
Running SMT prover for 1 properties.
[2023-03-12 15:32:59] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
// Phase 1: matrix 3699 rows 269 cols
[2023-03-12 15:32:59] [INFO ] Computed 8 place invariants in 19 ms
[2023-03-12 15:32:59] [INFO ] [Real]Absence check using 8 positive place invariants in 3 ms returned sat
[2023-03-12 15:33:00] [INFO ] After 799ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:33:00] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:00] [INFO ] After 129ms SMT Verify possible using 283 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:33:00] [INFO ] After 1039ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-12 15:33:00] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2023-03-12 15:33:01] [INFO ] After 768ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-12 15:33:01] [INFO ] After 228ms SMT Verify possible using 283 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-12 15:33:02] [INFO ] Deduced a trap composed of 89 places in 467 ms of which 1 ms to minimize.
[2023-03-12 15:33:02] [INFO ] Deduced a trap composed of 95 places in 406 ms of which 0 ms to minimize.
[2023-03-12 15:33:03] [INFO ] Deduced a trap composed of 65 places in 420 ms of which 0 ms to minimize.
[2023-03-12 15:33:03] [INFO ] Deduced a trap composed of 5 places in 261 ms of which 1 ms to minimize.
[2023-03-12 15:33:03] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 2181 ms
[2023-03-12 15:33:03] [INFO ] After 2461ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 85 ms.
[2023-03-12 15:33:03] [INFO ] After 3387ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 3 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 75 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 77 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 62 ms. Remains 269 /269 variables (removed 0) and now considering 3871/3871 (removed 0) transitions.
[2023-03-12 15:33:04] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:04] [INFO ] Invariant cache hit.
[2023-03-12 15:33:04] [INFO ] Implicit Places using invariants in 403 ms returned []
[2023-03-12 15:33:04] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:04] [INFO ] Invariant cache hit.
[2023-03-12 15:33:04] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:06] [INFO ] Implicit Places using invariants and state equation in 1653 ms returned []
Implicit Place search using SMT with State Equation took 2058 ms to find 0 implicit places.
[2023-03-12 15:33:06] [INFO ] Redundant transitions in 151 ms returned []
[2023-03-12 15:33:06] [INFO ] Flow matrix only has 3699 transitions (discarded 172 similar events)
[2023-03-12 15:33:06] [INFO ] Invariant cache hit.
[2023-03-12 15:33:07] [INFO ] Dead Transitions using invariants and state equation in 1184 ms found 0 transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3466 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 258 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
[2023-03-12 15:33:07] [INFO ] Computed 9 place invariants in 37 ms
[2023-03-12 15:33:07] [INFO ] [Real]Absence check using 9 positive place invariants in 3 ms returned sat
[2023-03-12 15:33:08] [INFO ] After 773ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-12 15:33:08] [INFO ] After 898ms SMT Verify possible using trap constraints in real domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 98 ms.
[2023-03-12 15:33:08] [INFO ] After 1094ms SMT Verify possible using all constraints in real 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 184 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 58 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 53 ms :[true, (NOT p0)]
Stuttering acceptance computed with spot in 56 ms :[true, (NOT p0)]
Product exploration explored 100000 steps with 341 reset in 817 ms.
Product exploration explored 100000 steps with 327 reset in 705 ms.
Support contains 3 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 76 ms. Remains 275 /275 variables (removed 0) and now considering 3877/3877 (removed 0) transitions.
[2023-03-12 15:33:10] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
// Phase 1: matrix 3705 rows 275 cols
[2023-03-12 15:33:10] [INFO ] Computed 8 place invariants in 11 ms
[2023-03-12 15:33:11] [INFO ] Implicit Places using invariants in 438 ms returned []
[2023-03-12 15:33:11] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:33:11] [INFO ] Invariant cache hit.
[2023-03-12 15:33:11] [INFO ] State equation strengthened by 283 read => feed constraints.
[2023-03-12 15:33:13] [INFO ] Implicit Places using invariants and state equation in 1948 ms returned []
Implicit Place search using SMT with State Equation took 2388 ms to find 0 implicit places.
[2023-03-12 15:33:13] [INFO ] Redundant transitions in 113 ms returned []
[2023-03-12 15:33:13] [INFO ] Flow matrix only has 3705 transitions (discarded 172 similar events)
[2023-03-12 15:33:13] [INFO ] Invariant cache hit.
[2023-03-12 15:33:14] [INFO ] Dead Transitions using invariants and state equation in 1421 ms found 0 transitions.
Finished structural reductions in SI_LTL mode , in 1 iterations and 4013 ms. Remains : 275/275 places, 3877/3877 transitions.
Treatment of property BugTracking-PT-q8m016-LTLFireability-03 finished in 55641 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))'
[2023-03-12 15:33:15] [INFO ] Flatten gal took : 157 ms
[2023-03-12 15:33:15] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/LTLFireability.sr.xml took 1 ms.
[2023-03-12 15:33:15] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 277 places, 3871 transitions and 19025 arcs took 25 ms.
Total runtime 82204 ms.
There are residual formulas that ITS could not solve within timeout
pnml2lts-mc model.pnml -s80% --procs=4 --ltl=/tmp/801/ltl_0_ --buchi-type=spotba --strategy=ufscc --ltl-semantics=spin --state=tree
Could not compute solution for formula : BugTracking-PT-q8m016-LTLFireability-03

BK_STOP 1678635196634

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination LTLFireability -timeout 360 -rebuildPNML
mcc2023
ltl formula name BugTracking-PT-q8m016-LTLFireability-03
ltl formula formula --ltl=/tmp/801/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 277 places, 3871 transitions and 19025 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 0.510 real 0.160 user 0.130 sys
pnml2lts-mc( 0/ 4): LTL layer: formula: /tmp/801/ltl_0_
pnml2lts-mc( 1/ 4): LTL layer: formula: /tmp/801/ltl_0_
pnml2lts-mc( 2/ 4): LTL layer: formula: /tmp/801/ltl_0_
pnml2lts-mc( 3/ 4): LTL layer: formula: /tmp/801/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
double free or corruption (fasttop)

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-q8m016"
export BK_EXAMINATION="LTLFireability"
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 BugTracking-PT-q8m016, examination is LTLFireability"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r041-tajo-167813694700412"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/BugTracking-PT-q8m016.tgz
mv BugTracking-PT-q8m016 execution
cd execution
if [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "UpperBounds" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] || [ "LTLFireability" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "LTLFireability" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "LTLFireability" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "LTLFireability.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property LTLFireability.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "LTLFireability.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' LTLFireability.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "LTLFireability" = "ReachabilityDeadlock" ] || [ "LTLFireability" = "QuasiLiveness" ] || [ "LTLFireability" = "StableMarking" ] || [ "LTLFireability" = "Liveness" ] || [ "LTLFireability" = "OneSafe" ] ; then
echo "FORMULA_NAME LTLFireability"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;