fond
Model Checking Contest 2023
13th edition, Paris, France, April 26, 2023 (at TOOLympics II)
Execution of r119-tall-167814497100002
Last Updated
May 14, 2023

About the Execution of LTSMin+red for CloudReconfiguration-PT-301

Execution Summary
Max Memory
Used (MB)
Time wait (ms) CPU Usage (ms) I/O Wait (ms) Computed Result Execution
Status
476.575 14796.00 24852.00 362.80 T normal

Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2023-input.r119-tall-167814497100002.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.......................................................................................................................................
=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is CloudReconfiguration-PT-301, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814497100002
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 1.1M
-rw-r--r-- 1 mcc users 7.6K Feb 25 11:50 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K Feb 25 11:50 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.8K Feb 25 11:49 CTLFireability.txt
-rw-r--r-- 1 mcc users 51K Feb 25 11:49 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.2K Jan 29 11:40 GenericPropertiesDefinition.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 15:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 13K Feb 25 11:50 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 125K Feb 25 11:50 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Feb 25 11:50 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 58K Feb 25 11:50 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.8K Feb 25 15:46 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:46 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 4 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 660K 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

FORMULA_NAME QuasiLiveness

=== Now, execution of the tool begins

BK_START 1679411919135

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=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=CloudReconfiguration-PT-301
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 15:18:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:18:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:18:41] [INFO ] Load time of PNML (sax parser for PT used): 127 ms
[2023-03-21 15:18:41] [INFO ] Transformed 2584 places.
[2023-03-21 15:18:41] [INFO ] Transformed 3094 transitions.
[2023-03-21 15:18:41] [INFO ] Found NUPN structural information;
[2023-03-21 15:18:41] [INFO ] Parsed PT model containing 2584 places and 3094 transitions and 6459 arcs in 207 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 2584/2584 places, 3094/3094 transitions.
Graph (trivial) has 2957 edges and 2584 vertex of which 882 / 2584 are part of one of the 63 SCC in 11 ms
Free SCC test removed 819 places
Ensure Unique test removed 936 transitions
Reduce isomorphic transitions removed 936 transitions.
Drop transitions removed 1190 transitions
Trivial Post-agglo rules discarded 1190 transitions
Performed 1190 trivial Post agglomeration. Transition count delta: 1190
Iterating post reduction 0 with 1190 rules applied. Total rules applied 1191 place count 1765 transition count 968
Reduce places removed 1190 places and 0 transitions.
Ensure Unique test removed 68 transitions
Reduce isomorphic transitions removed 68 transitions.
Drop transitions removed 33 transitions
Trivial Post-agglo rules discarded 33 transitions
Performed 33 trivial Post agglomeration. Transition count delta: 33
Iterating post reduction 1 with 1291 rules applied. Total rules applied 2482 place count 575 transition count 867
Reduce places removed 33 places and 0 transitions.
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 2 with 36 rules applied. Total rules applied 2518 place count 542 transition count 864
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 20 Pre rules applied. Total rules applied 2518 place count 542 transition count 844
Deduced a syphon composed of 20 places in 5 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 3 with 40 rules applied. Total rules applied 2558 place count 522 transition count 844
Performed 292 Post agglomeration using F-continuation condition with reduction of 75 identical transitions.
Deduced a syphon composed of 292 places in 1 ms
Reduce places removed 292 places and 0 transitions.
Iterating global reduction 3 with 584 rules applied. Total rules applied 3142 place count 230 transition count 477
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 3 with 3 rules applied. Total rules applied 3145 place count 230 transition count 474
Performed 24 Post agglomeration using F-continuation condition.Transition count delta: -48
Deduced a syphon composed of 24 places in 1 ms
Reduce places removed 24 places and 0 transitions.
Iterating global reduction 4 with 48 rules applied. Total rules applied 3193 place count 206 transition count 522
Ensure Unique test removed 15 transitions
Reduce isomorphic transitions removed 15 transitions.
Iterating post reduction 4 with 15 rules applied. Total rules applied 3208 place count 206 transition count 507
Applied a total of 3208 rules in 120 ms. Remains 206 /2584 variables (removed 2378) and now considering 507/3094 (removed 2587) transitions.
[2023-03-21 15:18:41] [INFO ] Flow matrix only has 428 transitions (discarded 79 similar events)
// Phase 1: matrix 428 rows 206 cols
[2023-03-21 15:18:41] [INFO ] Computed 4 place invariants in 24 ms
[2023-03-21 15:18:41] [INFO ] Implicit Places using invariants in 345 ms returned []
[2023-03-21 15:18:41] [INFO ] Flow matrix only has 428 transitions (discarded 79 similar events)
[2023-03-21 15:18:41] [INFO ] Invariant cache hit.
[2023-03-21 15:18:41] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:41] [INFO ] Implicit Places using invariants and state equation in 349 ms returned [82, 141, 200]
Discarding 3 places :
Implicit Place search using SMT with State Equation took 721 ms to find 3 implicit places.
Starting structural reductions in LIVENESS mode, iteration 1 : 203/2584 places, 507/3094 transitions.
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: 3
Deduced a syphon composed of 3 places in 1 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 200 transition count 504
Applied a total of 6 rules in 7 ms. Remains 200 /203 variables (removed 3) and now considering 504/507 (removed 3) transitions.
[2023-03-21 15:18:41] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
// Phase 1: matrix 425 rows 200 cols
[2023-03-21 15:18:42] [INFO ] Computed 1 place invariants in 3 ms
[2023-03-21 15:18:42] [INFO ] Implicit Places using invariants in 132 ms returned []
[2023-03-21 15:18:42] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:18:42] [INFO ] Invariant cache hit.
[2023-03-21 15:18:42] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:42] [INFO ] Implicit Places using invariants and state equation in 314 ms returned []
Implicit Place search using SMT with State Equation took 448 ms to find 0 implicit places.
Starting structural reductions in LIVENESS mode, iteration 2 : 200/2584 places, 504/3094 transitions.
Finished structural reductions in LIVENESS mode , in 2 iterations and 1297 ms. Remains : 200/2584 places, 504/3094 transitions.
Discarding 310 transitions out of 504. Remains 194
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1228 resets, run finished after 525 ms. (steps per millisecond=19 ) properties (out of 193) seen :138
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 55) seen :2
Incomplete Best-First random walk after 1001 steps, including 17 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 53) seen :2
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 50) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 49) seen :1
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 48) seen :1
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 47) seen :3
Incomplete Best-First random walk after 1001 steps, including 14 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 44) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 44) seen :1
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 17 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 11 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 15 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 12 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 2 ms. (steps per millisecond=500 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1000 steps, including 14 resets, run finished after 3 ms. (steps per millisecond=333 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 4 ms. (steps per millisecond=250 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 12 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 43) seen :0
Incomplete Best-First random walk after 1001 steps, including 13 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 43) seen :0
Running SMT prover for 43 properties.
[2023-03-21 15:18:43] [INFO ] Flow matrix only has 425 transitions (discarded 79 similar events)
[2023-03-21 15:18:43] [INFO ] Invariant cache hit.
[2023-03-21 15:18:43] [INFO ] [Real]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:45] [INFO ] After 1657ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:43
[2023-03-21 15:18:45] [INFO ] [Nat]Absence check using 0 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:46] [INFO ] After 991ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :43
[2023-03-21 15:18:46] [INFO ] State equation strengthened by 8 read => feed constraints.
[2023-03-21 15:18:47] [INFO ] After 908ms SMT Verify possible using 8 Read/Feed constraints in natural domain returned unsat :0 sat :43
[2023-03-21 15:18:48] [INFO ] After 2192ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :43
Attempting to minimize the solution found.
Minimization took 944 ms.
[2023-03-21 15:18:49] [INFO ] After 4465ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :43
Fused 43 Parikh solutions to 40 different solutions.
Parikh walk visited 0 properties in 25 ms.
Support contains 48 out of 200 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 200/200 places, 504/504 transitions.
Drop transitions removed 66 transitions
Reduce isomorphic transitions removed 66 transitions.
Iterating post reduction 0 with 66 rules applied. Total rules applied 66 place count 200 transition count 438
Discarding 69 places :
Symmetric choice reduction at 1 with 69 rule applications. Total rules 135 place count 131 transition count 362
Iterating global reduction 1 with 69 rules applied. Total rules applied 204 place count 131 transition count 362
Ensure Unique test removed 60 transitions
Reduce isomorphic transitions removed 60 transitions.
Iterating post reduction 1 with 60 rules applied. Total rules applied 264 place count 131 transition count 302
Discarding 8 places :
Symmetric choice reduction at 2 with 8 rule applications. Total rules 272 place count 123 transition count 292
Iterating global reduction 2 with 8 rules applied. Total rules applied 280 place count 123 transition count 292
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 286 place count 123 transition count 286
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 288 place count 121 transition count 280
Iterating global reduction 3 with 2 rules applied. Total rules applied 290 place count 121 transition count 280
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 292 place count 119 transition count 270
Iterating global reduction 3 with 2 rules applied. Total rules applied 294 place count 119 transition count 270
Performed 11 Post agglomeration using F-continuation condition with reduction of 2 identical transitions.
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 3 with 22 rules applied. Total rules applied 316 place count 108 transition count 257
Ensure Unique test removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 325 place count 108 transition count 248
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -4
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 4 with 6 rules applied. Total rules applied 331 place count 105 transition count 252
Drop transitions removed 33 transitions
Redundant transition composition rules discarded 33 transitions
Iterating global reduction 4 with 33 rules applied. Total rules applied 364 place count 105 transition count 219
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 4 with 1 rules applied. Total rules applied 365 place count 105 transition count 218
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 366 place count 104 transition count 218
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 6 with 1 rules applied. Total rules applied 367 place count 104 transition count 217
Drop transitions removed 1 transitions
Trivial Post-agglo rules discarded 1 transitions
Performed 1 trivial Post agglomeration. Transition count delta: 1
Iterating post reduction 6 with 1 rules applied. Total rules applied 368 place count 104 transition count 216
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 7 with 1 rules applied. Total rules applied 369 place count 103 transition count 216
Free-agglomeration rule applied 1 times.
Iterating global reduction 8 with 1 rules applied. Total rules applied 370 place count 103 transition count 215
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 8 with 1 rules applied. Total rules applied 371 place count 102 transition count 215
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 9 with 1 rules applied. Total rules applied 372 place count 102 transition count 214
Partial Post-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 9 with 3 rules applied. Total rules applied 375 place count 102 transition count 214
Drop transitions removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 9 with 2 rules applied. Total rules applied 377 place count 102 transition count 212
Applied a total of 377 rules in 83 ms. Remains 102 /200 variables (removed 98) and now considering 212/504 (removed 292) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 83 ms. Remains : 102/200 places, 212/504 transitions.
Incomplete random walk after 1000000 steps, including 156577 resets, run finished after 2694 ms. (steps per millisecond=371 ) properties (out of 43) seen :42
Incomplete Best-First random walk after 1000001 steps, including 32733 resets, run finished after 449 ms. (steps per millisecond=2227 ) properties (out of 1) seen :0
Running SMT prover for 1 properties.
[2023-03-21 15:18:52] [INFO ] Flow matrix only has 200 transitions (discarded 12 similar events)
// Phase 1: matrix 200 rows 102 cols
[2023-03-21 15:18:52] [INFO ] Computed 4 place invariants in 4 ms
[2023-03-21 15:18:52] [INFO ] [Real]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:52] [INFO ] After 97ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:18:52] [INFO ] [Nat]Absence check using 0 positive and 4 generalized place invariants in 1 ms returned sat
[2023-03-21 15:18:52] [INFO ] After 50ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:52] [INFO ] State equation strengthened by 3 read => feed constraints.
[2023-03-21 15:18:52] [INFO ] After 7ms SMT Verify possible using 3 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:18:53] [INFO ] After 42ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 7 ms.
[2023-03-21 15:18:53] [INFO ] After 126ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 0 ms.
Support contains 5 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 212/212 transitions.
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 0 place count 102 transition count 209
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 6 place count 99 transition count 209
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 11 place count 94 transition count 202
Iterating global reduction 0 with 5 rules applied. Total rules applied 16 place count 94 transition count 202
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 19 place count 94 transition count 199
Performed 14 Post agglomeration using F-continuation condition.Transition count delta: 14
Deduced a syphon composed of 14 places in 1 ms
Reduce places removed 14 places and 0 transitions.
Iterating global reduction 1 with 28 rules applied. Total rules applied 47 place count 80 transition count 185
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 1 with 9 rules applied. Total rules applied 56 place count 80 transition count 176
Discarding 12 places :
Symmetric choice reduction at 2 with 12 rule applications. Total rules 68 place count 68 transition count 164
Iterating global reduction 2 with 12 rules applied. Total rules applied 80 place count 68 transition count 164
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 86 place count 68 transition count 158
Performed 9 Post agglomeration using F-continuation condition.Transition count delta: 9
Deduced a syphon composed of 9 places in 0 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 104 place count 59 transition count 149
Drop transitions removed 9 transitions
Reduce isomorphic transitions removed 9 transitions.
Iterating post reduction 3 with 9 rules applied. Total rules applied 113 place count 59 transition count 140
Discarding 6 places :
Symmetric choice reduction at 4 with 6 rule applications. Total rules 119 place count 53 transition count 134
Iterating global reduction 4 with 6 rules applied. Total rules applied 125 place count 53 transition count 134
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 131 place count 53 transition count 128
Performed 6 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 6 places in 0 ms
Reduce places removed 6 places and 0 transitions.
Iterating global reduction 5 with 12 rules applied. Total rules applied 143 place count 47 transition count 128
Drop transitions removed 6 transitions
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 5 with 10 rules applied. Total rules applied 153 place count 47 transition count 118
Discarding 6 places :
Symmetric choice reduction at 6 with 6 rule applications. Total rules 159 place count 41 transition count 112
Iterating global reduction 6 with 6 rules applied. Total rules applied 165 place count 41 transition count 112
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 6 with 6 rules applied. Total rules applied 171 place count 41 transition count 106
Drop transitions removed 30 transitions
Redundant transition composition rules discarded 30 transitions
Iterating global reduction 7 with 30 rules applied. Total rules applied 201 place count 41 transition count 76
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 204 place count 38 transition count 67
Iterating global reduction 7 with 3 rules applied. Total rules applied 207 place count 38 transition count 67
Discarding 3 places :
Symmetric choice reduction at 7 with 3 rule applications. Total rules 210 place count 35 transition count 64
Iterating global reduction 7 with 3 rules applied. Total rules applied 213 place count 35 transition count 64
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 7 with 3 rules applied. Total rules applied 216 place count 35 transition count 61
Drop transitions removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 8 with 3 rules applied. Total rules applied 219 place count 35 transition count 58
Free-agglomeration rule applied 3 times.
Iterating global reduction 8 with 3 rules applied. Total rules applied 222 place count 35 transition count 55
Reduce places removed 3 places and 0 transitions.
Iterating post reduction 8 with 3 rules applied. Total rules applied 225 place count 32 transition count 55
Applied a total of 225 rules in 48 ms. Remains 32 /102 variables (removed 70) and now considering 55/212 (removed 157) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 49 ms. Remains : 32/102 places, 55/212 transitions.
Finished random walk after 2859 steps, including 392 resets, run visited all 1 properties in 4 ms. (steps per millisecond=714 )
Able to resolve query QuasiLiveness after proving 194 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 12195 ms.
ITS solved all properties within timeout

BK_STOP 1679411933931

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202303021504.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202303021504
+ echo 'Running Version 202303021504'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination QuasiLiveness -timeout 180 -rebuildPNML

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="CloudReconfiguration-PT-301"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="1800"
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 CloudReconfiguration-PT-301, examination is QuasiLiveness"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r119-tall-167814497100002"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/CloudReconfiguration-PT-301.tgz
mv CloudReconfiguration-PT-301 execution
cd execution
if [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "UpperBounds" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] || [ "QuasiLiveness" = "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 [ "QuasiLiveness" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "QuasiLiveness" != "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 "QuasiLiveness.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property QuasiLiveness.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "QuasiLiveness.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 '' QuasiLiveness.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "QuasiLiveness" = "ReachabilityDeadlock" ] || [ "QuasiLiveness" = "QuasiLiveness" ] || [ "QuasiLiveness" = "StableMarking" ] || [ "QuasiLiveness" = "Liveness" ] || [ "QuasiLiveness" = "OneSafe" ] ; then
echo "FORMULA_NAME QuasiLiveness"
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 ;