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.r215-smll-167840357800222.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2023-input.qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5348
Executing tool ltsminxred
Input is HealthRecord-PT-16, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r215-smll-167840357800222
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 508K
-rw-r--r-- 1 mcc users 6.5K Feb 26 18:06 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 26 18:06 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K Feb 26 18:05 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K Feb 26 18:05 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 16:14 LTLCardinality.txt
-rw-r--r-- 1 mcc users 23K Feb 25 16:14 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 16:14 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K Feb 25 16:14 LTLFireability.xml
-rw-r--r-- 1 mcc users 7.5K Feb 26 18:07 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 72K Feb 26 18:07 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.3K Feb 26 18:06 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 82K Feb 26 18:06 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K Feb 25 16:14 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K Feb 25 16:14 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 3 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 125K 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 1678619762130

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=HealthRecord-PT-16
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-12 11:16:05] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-12 11:16:05] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-12 11:16:05] [INFO ] Load time of PNML (sax parser for PT used): 171 ms
[2023-03-12 11:16:05] [INFO ] Transformed 453 places.
[2023-03-12 11:16:05] [INFO ] Transformed 594 transitions.
[2023-03-12 11:16:05] [INFO ] Found NUPN structural information;
[2023-03-12 11:16:05] [INFO ] Parsed PT model containing 453 places and 594 transitions and 1333 arcs in 343 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 453/453 places, 594/594 transitions.
Graph (trivial) has 536 edges and 453 vertex of which 49 / 453 are part of one of the 17 SCC in 10 ms
Free SCC test removed 32 places
Ensure Unique test removed 35 transitions
Reduce isomorphic transitions removed 35 transitions.
Drop transitions removed 218 transitions
Trivial Post-agglo rules discarded 218 transitions
Performed 218 trivial Post agglomeration. Transition count delta: 218
Iterating post reduction 0 with 218 rules applied. Total rules applied 219 place count 421 transition count 341
Reduce places removed 218 places and 0 transitions.
Ensure Unique test removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Drop transitions removed 11 transitions
Trivial Post-agglo rules discarded 11 transitions
Performed 11 trivial Post agglomeration. Transition count delta: 11
Iterating post reduction 1 with 245 rules applied. Total rules applied 464 place count 203 transition count 314
Reduce places removed 11 places and 0 transitions.
Iterating post reduction 2 with 11 rules applied. Total rules applied 475 place count 192 transition count 314
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 9 Pre rules applied. Total rules applied 475 place count 192 transition count 305
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 3 with 18 rules applied. Total rules applied 493 place count 183 transition count 305
Performed 75 Post agglomeration using F-continuation condition.Transition count delta: 75
Deduced a syphon composed of 75 places in 0 ms
Reduce places removed 75 places and 0 transitions.
Iterating global reduction 3 with 150 rules applied. Total rules applied 643 place count 108 transition count 230
Performed 23 Post agglomeration using F-continuation condition.Transition count delta: -42
Deduced a syphon composed of 23 places in 0 ms
Reduce places removed 23 places and 0 transitions.
Iterating global reduction 3 with 46 rules applied. Total rules applied 689 place count 85 transition count 272
Applied a total of 689 rules in 84 ms. Remains 85 /453 variables (removed 368) and now considering 272/594 (removed 322) transitions.
[2023-03-12 11:16:06] [INFO ] Flow matrix only has 250 transitions (discarded 22 similar events)
// Phase 1: matrix 250 rows 85 cols
[2023-03-12 11:16:06] [INFO ] Computed 14 place invariants in 28 ms
[2023-03-12 11:16:06] [INFO ] Implicit Places using invariants in 394 ms returned []
[2023-03-12 11:16:06] [INFO ] Flow matrix only has 250 transitions (discarded 22 similar events)
[2023-03-12 11:16:06] [INFO ] Invariant cache hit.
[2023-03-12 11:16:06] [INFO ] State equation strengthened by 14 read => feed constraints.
[2023-03-12 11:16:06] [INFO ] Implicit Places using invariants and state equation in 398 ms returned []
Implicit Place search using SMT with State Equation took 837 ms to find 0 implicit places.
[2023-03-12 11:16:06] [INFO ] Flow matrix only has 250 transitions (discarded 22 similar events)
[2023-03-12 11:16:06] [INFO ] Invariant cache hit.
[2023-03-12 11:16:07] [INFO ] Dead Transitions using invariants and state equation in 464 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 85/453 places, 272/594 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 1389 ms. Remains : 85/453 places, 272/594 transitions.
Discarding 198 transitions out of 272. Remains 74
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 1040 resets, run finished after 1023 ms. (steps per millisecond=9 ) properties (out of 73) seen :43
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1000 steps, including 8 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 5 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 6 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 16 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1000 steps, including 9 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 7 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 8 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 9 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 10 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 30) seen :0
Incomplete Best-First random walk after 1001 steps, including 11 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 30) seen :0
Running SMT prover for 30 properties.
[2023-03-12 11:16:08] [INFO ] Flow matrix only has 250 transitions (discarded 22 similar events)
[2023-03-12 11:16:08] [INFO ] Invariant cache hit.
[2023-03-12 11:16:09] [INFO ] [Real]Absence check using 8 positive place invariants in 8 ms returned sat
[2023-03-12 11:16:09] [INFO ] [Real]Absence check using 8 positive and 6 generalized place invariants in 7 ms returned sat
[2023-03-12 11:16:10] [INFO ] After 908ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:27
[2023-03-12 11:16:10] [INFO ] State equation strengthened by 14 read => feed constraints.
[2023-03-12 11:16:10] [INFO ] After 54ms SMT Verify possible using 14 Read/Feed constraints in real domain returned unsat :0 sat :0 real:30
[2023-03-12 11:16:10] [INFO ] After 1411ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:30
[2023-03-12 11:16:10] [INFO ] [Nat]Absence check using 8 positive place invariants in 8 ms returned sat
[2023-03-12 11:16:10] [INFO ] [Nat]Absence check using 8 positive and 6 generalized place invariants in 8 ms returned sat
[2023-03-12 11:16:11] [INFO ] After 718ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :30
[2023-03-12 11:16:12] [INFO ] After 708ms SMT Verify possible using 14 Read/Feed constraints in natural domain returned unsat :0 sat :30
[2023-03-12 11:16:12] [INFO ] Deduced a trap composed of 20 places in 117 ms of which 11 ms to minimize.
[2023-03-12 11:16:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 147 ms
[2023-03-12 11:16:13] [INFO ] After 1863ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :30
Attempting to minimize the solution found.
Minimization took 615 ms.
[2023-03-12 11:16:13] [INFO ] After 3575ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :30
Parikh walk visited 0 properties in 33 ms.
Support contains 41 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 272/272 transitions.
Graph (complete) has 407 edges and 85 vertex of which 78 are kept as prefixes of interest. Removing 7 places using SCC suffix rule.3 ms
Discarding 7 places :
Also discarding 7 output transitions
Drop transitions removed 7 transitions
Drop transitions removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 78 transition count 255
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 77 transition count 250
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 77 transition count 250
Drop transitions removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 1 with 18 rules applied. Total rules applied 31 place count 77 transition count 232
Free-agglomeration rule applied 10 times.
Iterating global reduction 1 with 10 rules applied. Total rules applied 41 place count 77 transition count 222
Reduce places removed 10 places and 0 transitions.
Iterating post reduction 1 with 10 rules applied. Total rules applied 51 place count 67 transition count 222
Drop transitions removed 18 transitions
Redundant transition composition rules discarded 18 transitions
Iterating global reduction 2 with 18 rules applied. Total rules applied 69 place count 67 transition count 204
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -8
Deduced a syphon composed of 1 places in 1 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 2 with 2 rules applied. Total rules applied 71 place count 66 transition count 212
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 2 with 1 rules applied. Total rules applied 72 place count 66 transition count 212
Applied a total of 72 rules in 115 ms. Remains 66 /85 variables (removed 19) and now considering 212/272 (removed 60) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 115 ms. Remains : 66/85 places, 212/272 transitions.
Incomplete random walk after 1000000 steps, including 109211 resets, run finished after 26806 ms. (steps per millisecond=37 ) properties (out of 30) seen :14
Incomplete Best-First random walk after 100001 steps, including 1404 resets, run finished after 311 ms. (steps per millisecond=321 ) properties (out of 16) seen :1
Incomplete Best-First random walk after 100001 steps, including 1408 resets, run finished after 266 ms. (steps per millisecond=375 ) properties (out of 15) seen :0
Incomplete Best-First random walk after 100001 steps, including 1204 resets, run finished after 248 ms. (steps per millisecond=403 ) properties (out of 15) seen :1
Incomplete Best-First random walk after 100001 steps, including 1200 resets, run finished after 383 ms. (steps per millisecond=261 ) properties (out of 14) seen :1
Incomplete Best-First random walk after 100001 steps, including 1181 resets, run finished after 252 ms. (steps per millisecond=396 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 1201 resets, run finished after 505 ms. (steps per millisecond=198 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 1580 resets, run finished after 527 ms. (steps per millisecond=189 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 1398 resets, run finished after 424 ms. (steps per millisecond=235 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 1387 resets, run finished after 414 ms. (steps per millisecond=241 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 1403 resets, run finished after 323 ms. (steps per millisecond=309 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 1394 resets, run finished after 282 ms. (steps per millisecond=354 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100001 steps, including 1404 resets, run finished after 283 ms. (steps per millisecond=353 ) properties (out of 13) seen :0
Incomplete Best-First random walk after 100000 steps, including 1413 resets, run finished after 287 ms. (steps per millisecond=348 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
[2023-03-12 11:16:45] [INFO ] Flow matrix only has 200 transitions (discarded 12 similar events)
// Phase 1: matrix 200 rows 66 cols
[2023-03-12 11:16:45] [INFO ] Computed 7 place invariants in 6 ms
[2023-03-12 11:16:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 11:16:45] [INFO ] [Real]Absence check using 1 positive and 6 generalized place invariants in 5 ms returned sat
[2023-03-12 11:16:45] [INFO ] After 285ms SMT Verify possible using state equation in real domain returned unsat :0 sat :7 real:6
[2023-03-12 11:16:45] [INFO ] State equation strengthened by 13 read => feed constraints.
[2023-03-12 11:16:45] [INFO ] After 74ms SMT Verify possible using 13 Read/Feed constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-12 11:16:45] [INFO ] After 535ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-12 11:16:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 11:16:45] [INFO ] [Nat]Absence check using 1 positive and 6 generalized place invariants in 4 ms returned sat
[2023-03-12 11:16:46] [INFO ] After 214ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-12 11:16:46] [INFO ] After 146ms SMT Verify possible using 13 Read/Feed constraints in natural domain returned unsat :0 sat :13
[2023-03-12 11:16:46] [INFO ] Deduced a trap composed of 22 places in 68 ms of which 2 ms to minimize.
[2023-03-12 11:16:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 87 ms
[2023-03-12 11:16:46] [INFO ] After 446ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
Attempting to minimize the solution found.
Minimization took 159 ms.
[2023-03-12 11:16:46] [INFO ] After 932ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
Fused 13 Parikh solutions to 12 different solutions.
Parikh walk visited 0 properties in 2 ms.
Support contains 22 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 212/212 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 60 transition count 186
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 60 transition count 186
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 16 place count 56 transition count 178
Iterating global reduction 0 with 4 rules applied. Total rules applied 20 place count 56 transition count 178
Ensure Unique test removed 3 transitions
Reduce isomorphic transitions removed 3 transitions.
Iterating post reduction 0 with 3 rules applied. Total rules applied 23 place count 56 transition count 175
Free-agglomeration rule applied 3 times.
Iterating global reduction 1 with 3 rules applied. Total rules applied 26 place count 56 transition count 172
Reduce places removed 3 places and 0 transitions.
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 30 place count 53 transition count 171
Partial Free-agglomeration rule applied 6 times.
Drop transitions removed 6 transitions
Iterating global reduction 2 with 6 rules applied. Total rules applied 36 place count 53 transition count 171
Applied a total of 36 rules in 41 ms. Remains 53 /66 variables (removed 13) and now considering 171/212 (removed 41) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 41 ms. Remains : 53/66 places, 171/212 transitions.
Incomplete random walk after 1000000 steps, including 97046 resets, run finished after 23761 ms. (steps per millisecond=42 ) properties (out of 13) seen :7
Incomplete Best-First random walk after 1000001 steps, including 13142 resets, run finished after 2387 ms. (steps per millisecond=418 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 13161 resets, run finished after 2204 ms. (steps per millisecond=453 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 16574 resets, run finished after 2761 ms. (steps per millisecond=362 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 12725 resets, run finished after 2384 ms. (steps per millisecond=419 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 12690 resets, run finished after 2418 ms. (steps per millisecond=413 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 12726 resets, run finished after 2364 ms. (steps per millisecond=423 ) properties (out of 6) seen :0
Running SMT prover for 6 properties.
[2023-03-12 11:17:25] [INFO ] Flow matrix only has 158 transitions (discarded 13 similar events)
// Phase 1: matrix 158 rows 53 cols
[2023-03-12 11:17:25] [INFO ] Computed 7 place invariants in 2 ms
[2023-03-12 11:17:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 11:17:25] [INFO ] [Real]Absence check using 1 positive and 6 generalized place invariants in 4 ms returned sat
[2023-03-12 11:17:25] [INFO ] After 123ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:3
[2023-03-12 11:17:25] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-12 11:17:25] [INFO ] After 27ms SMT Verify possible using 12 Read/Feed constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-12 11:17:25] [INFO ] After 266ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-12 11:17:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 11:17:25] [INFO ] [Nat]Absence check using 1 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-12 11:17:25] [INFO ] After 104ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-12 11:17:25] [INFO ] After 55ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-12 11:17:25] [INFO ] After 144ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 66 ms.
[2023-03-12 11:17:25] [INFO ] After 388ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Fused 6 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 14 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 171/171 transitions.
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 53 transition count 170
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 52 transition count 170
Partial Free-agglomeration rule applied 3 times.
Drop transitions removed 3 transitions
Iterating global reduction 1 with 3 rules applied. Total rules applied 5 place count 52 transition count 170
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 51 transition count 165
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 51 transition count 165
Applied a total of 7 rules in 19 ms. Remains 51 /53 variables (removed 2) and now considering 165/171 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 20 ms. Remains : 51/53 places, 165/171 transitions.
Incomplete random walk after 1000000 steps, including 97096 resets, run finished after 13059 ms. (steps per millisecond=76 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 1000001 steps, including 13152 resets, run finished after 2167 ms. (steps per millisecond=461 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 13196 resets, run finished after 2569 ms. (steps per millisecond=389 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 16567 resets, run finished after 3191 ms. (steps per millisecond=313 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000000 steps, including 12758 resets, run finished after 2853 ms. (steps per millisecond=350 ) properties (out of 4) seen :0
Running SMT prover for 4 properties.
[2023-03-12 11:17:49] [INFO ] Flow matrix only has 152 transitions (discarded 13 similar events)
// Phase 1: matrix 152 rows 51 cols
[2023-03-12 11:17:49] [INFO ] Computed 7 place invariants in 1 ms
[2023-03-12 11:17:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 11:17:49] [INFO ] [Real]Absence check using 1 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-12 11:17:49] [INFO ] After 77ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:1
[2023-03-12 11:17:49] [INFO ] State equation strengthened by 16 read => feed constraints.
[2023-03-12 11:17:49] [INFO ] After 29ms SMT Verify possible using 16 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-12 11:17:49] [INFO ] After 162ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-12 11:17:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 11:17:49] [INFO ] [Nat]Absence check using 1 positive and 6 generalized place invariants in 4 ms returned sat
[2023-03-12 11:17:49] [INFO ] After 86ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-12 11:17:50] [INFO ] After 57ms SMT Verify possible using 16 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-12 11:17:50] [INFO ] After 121ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 46 ms.
[2023-03-12 11:17:50] [INFO ] After 307ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Fused 4 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 12 out of 51 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 51/51 places, 165/165 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 50 transition count 160
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 50 transition count 160
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 49 transition count 158
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 49 transition count 158
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 48 transition count 151
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 48 transition count 151
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 8 place count 48 transition count 149
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 48 transition count 149
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 47 transition count 144
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 47 transition count 144
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 46 transition count 142
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 46 transition count 142
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 45 transition count 135
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 45 transition count 135
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 17 place count 45 transition count 133
Applied a total of 17 rules in 25 ms. Remains 45 /51 variables (removed 6) and now considering 133/165 (removed 32) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 45/51 places, 133/165 transitions.
Incomplete random walk after 1000000 steps, including 97119 resets, run finished after 13923 ms. (steps per millisecond=71 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 1000001 steps, including 13186 resets, run finished after 1846 ms. (steps per millisecond=541 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 13185 resets, run finished after 1986 ms. (steps per millisecond=503 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 16574 resets, run finished after 2196 ms. (steps per millisecond=455 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
[2023-03-12 11:18:10] [INFO ] Flow matrix only has 120 transitions (discarded 13 similar events)
// Phase 1: matrix 120 rows 45 cols
[2023-03-12 11:18:10] [INFO ] Computed 7 place invariants in 3 ms
[2023-03-12 11:18:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-12 11:18:10] [INFO ] [Real]Absence check using 1 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-12 11:18:10] [INFO ] After 46ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3
[2023-03-12 11:18:10] [INFO ] State equation strengthened by 12 read => feed constraints.
[2023-03-12 11:18:10] [INFO ] After 24ms SMT Verify possible using 12 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 11:18:10] [INFO ] After 109ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-12 11:18:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2023-03-12 11:18:10] [INFO ] [Nat]Absence check using 1 positive and 6 generalized place invariants in 3 ms returned sat
[2023-03-12 11:18:10] [INFO ] After 53ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-12 11:18:10] [INFO ] After 23ms SMT Verify possible using 12 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-12 11:18:10] [INFO ] After 50ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 20 ms.
[2023-03-12 11:18:10] [INFO ] After 166ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 10 out of 45 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 45/45 places, 133/133 transitions.
Free-agglomeration rule applied 1 times.
Iterating global reduction 0 with 1 rules applied. Total rules applied 1 place count 45 transition count 132
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 2 place count 44 transition count 132
Drop transitions removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 3 place count 44 transition count 131
Partial Free-agglomeration rule applied 1 times.
Drop transitions removed 1 transitions
Iterating global reduction 1 with 1 rules applied. Total rules applied 4 place count 44 transition count 131
Applied a total of 4 rules in 14 ms. Remains 44 /45 variables (removed 1) and now considering 131/133 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 44/45 places, 131/133 transitions.
Finished random walk after 47353 steps, including 4979 resets, run visited all 3 properties in 654 ms. (steps per millisecond=72 )
Able to resolve query QuasiLiveness after proving 74 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 125549 ms.
ITS solved all properties within timeout

BK_STOP 1678619892102

--------------------
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 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="HealthRecord-PT-16"
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 HealthRecord-PT-16, 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 r215-smll-167840357800222"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/HealthRecord-PT-16.tgz
mv HealthRecord-PT-16 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 ;