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-167814497300117.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 DBSingleClientW-PT-d0m05, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r119-tall-167814497300117
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 620K
-rw-r--r-- 1 mcc users 8.5K Feb 26 15:17 CTLCardinality.txt
-rw-r--r-- 1 mcc users 96K Feb 26 15:17 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K Feb 26 15:16 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K Feb 26 15:16 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.6K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.3K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 15:18 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 153K Feb 26 15:18 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.8K Feb 26 15:17 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 88K Feb 26 15:17 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K Feb 25 15:48 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 equiv_col
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 instance
-rw-r--r-- 1 mcc users 6 Mar 5 18:22 iscolored
-rw-r--r-- 1 mcc users 119K 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 1679412878075

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=DBSingleClientW-PT-d0m05
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202303021504
[2023-03-21 15:34:39] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:34:39] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:34:39] [INFO ] Load time of PNML (sax parser for PT used): 57 ms
[2023-03-21 15:34:39] [INFO ] Transformed 553 places.
[2023-03-21 15:34:39] [INFO ] Transformed 150 transitions.
[2023-03-21 15:34:39] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 126 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 553/553 places, 150/150 transitions.
Reduce places removed 451 places and 0 transitions.
Ensure Unique test removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 462 rules applied. Total rules applied 462 place count 102 transition count 139
Applied a total of 462 rules in 11 ms. Remains 102 /553 variables (removed 451) and now considering 139/150 (removed 11) transitions.
// Phase 1: matrix 139 rows 102 cols
[2023-03-21 15:34:39] [INFO ] Computed 2 place invariants in 17 ms
[2023-03-21 15:34:40] [INFO ] Implicit Places using invariants in 406 ms returned []
[2023-03-21 15:34:40] [INFO ] Invariant cache hit.
[2023-03-21 15:34:40] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:34:40] [INFO ] Implicit Places using invariants and state equation in 202 ms returned []
Implicit Place search using SMT with State Equation took 634 ms to find 0 implicit places.
[2023-03-21 15:34:40] [INFO ] Invariant cache hit.
[2023-03-21 15:34:40] [INFO ] Dead Transitions using invariants and state equation in 74 ms found 0 transitions.
Starting structural reductions in LIVENESS mode, iteration 1 : 102/553 places, 139/150 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 722 ms. Remains : 102/553 places, 139/150 transitions.
Discarding 48 transitions out of 139. Remains 91
Initial state reduction rules removed 1 formulas.
Incomplete random walk after 10000 steps, including 2287 resets, run finished after 521 ms. (steps per millisecond=19 ) properties (out of 90) seen :30
Incomplete Best-First random walk after 1000 steps, including 53 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 59 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 25 ms. (steps per millisecond=40 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 61 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 60) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 60) seen :5
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 44 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 40 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 59 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 56 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 57 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 45 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :2
Incomplete Best-First random walk after 1001 steps, including 61 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 58 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 55 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 55 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 108 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 99 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1001 steps, including 116 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 121 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 53) seen :0
Incomplete Best-First random walk after 1000 steps, including 92 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 53) seen :3
Incomplete Best-First random walk after 1000 steps, including 117 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 105 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 75 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 117 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 105 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 111 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 95 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 99 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 112 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 105 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 98 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 94 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 112 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 102 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 91 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :1
Incomplete Best-First random walk after 1001 steps, including 105 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 93 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1000 steps, including 103 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 49) seen :0
Running SMT prover for 49 properties.
[2023-03-21 15:34:41] [INFO ] Invariant cache hit.
[2023-03-21 15:34:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:34:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:34:42] [INFO ] After 838ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:49
[2023-03-21 15:34:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:34:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:34:43] [INFO ] After 532ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :49
[2023-03-21 15:34:43] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:34:43] [INFO ] After 598ms SMT Verify possible using 63 Read/Feed constraints in natural domain returned unsat :0 sat :49
[2023-03-21 15:34:44] [INFO ] After 1455ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :49
Attempting to minimize the solution found.
Minimization took 579 ms.
[2023-03-21 15:34:45] [INFO ] After 2797ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :49
Parikh walk visited 24 properties in 871 ms.
Support contains 32 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 12 places :
Symmetric choice reduction at 0 with 12 rule applications. Total rules 12 place count 90 transition count 120
Iterating global reduction 0 with 12 rules applied. Total rules applied 24 place count 90 transition count 120
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 27 place count 87 transition count 117
Iterating global reduction 0 with 3 rules applied. Total rules applied 30 place count 87 transition count 117
Applied a total of 30 rules in 32 ms. Remains 87 /102 variables (removed 15) and now considering 117/139 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 87/102 places, 117/139 transitions.
Incomplete random walk after 1000000 steps, including 229529 resets, run finished after 22289 ms. (steps per millisecond=44 ) properties (out of 25) seen :7
Incomplete Best-First random walk after 100001 steps, including 4982 resets, run finished after 653 ms. (steps per millisecond=153 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 4954 resets, run finished after 713 ms. (steps per millisecond=140 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 4900 resets, run finished after 638 ms. (steps per millisecond=156 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 4980 resets, run finished after 803 ms. (steps per millisecond=124 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100000 steps, including 5058 resets, run finished after 750 ms. (steps per millisecond=133 ) properties (out of 18) seen :0
Incomplete Best-First random walk after 100001 steps, including 4927 resets, run finished after 707 ms. (steps per millisecond=141 ) properties (out of 18) seen :1
Incomplete Best-First random walk after 100001 steps, including 4908 resets, run finished after 680 ms. (steps per millisecond=147 ) properties (out of 17) seen :1
Incomplete Best-First random walk after 100001 steps, including 5017 resets, run finished after 601 ms. (steps per millisecond=166 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1305 ms. (steps per millisecond=76 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100000 steps, including 9999 resets, run finished after 870 ms. (steps per millisecond=114 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100000 steps, including 10107 resets, run finished after 888 ms. (steps per millisecond=112 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 10103 resets, run finished after 883 ms. (steps per millisecond=113 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100000 steps, including 10171 resets, run finished after 821 ms. (steps per millisecond=121 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100000 steps, including 10026 resets, run finished after 911 ms. (steps per millisecond=109 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100000 steps, including 10211 resets, run finished after 935 ms. (steps per millisecond=106 ) properties (out of 16) seen :0
Incomplete Best-First random walk after 100001 steps, including 10104 resets, run finished after 940 ms. (steps per millisecond=106 ) properties (out of 16) seen :0
Running SMT prover for 16 properties.
// Phase 1: matrix 117 rows 87 cols
[2023-03-21 15:35:21] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-21 15:35:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:35:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:35:21] [INFO ] After 236ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:16
[2023-03-21 15:35:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:35:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:35:21] [INFO ] After 142ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :16
[2023-03-21 15:35:21] [INFO ] State equation strengthened by 49 read => feed constraints.
[2023-03-21 15:35:22] [INFO ] After 142ms SMT Verify possible using 49 Read/Feed constraints in natural domain returned unsat :0 sat :16
[2023-03-21 15:35:22] [INFO ] After 347ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :16
Attempting to minimize the solution found.
Minimization took 144 ms.
[2023-03-21 15:35:22] [INFO ] After 724ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :16
Parikh walk visited 1 properties in 2660 ms.
Support contains 22 out of 87 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 87/87 places, 117/117 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 82 transition count 106
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 82 transition count 106
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 13 place count 79 transition count 103
Iterating global reduction 0 with 3 rules applied. Total rules applied 16 place count 79 transition count 103
Applied a total of 16 rules in 10 ms. Remains 79 /87 variables (removed 8) and now considering 103/117 (removed 14) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 79/87 places, 103/117 transitions.
Incomplete random walk after 1000000 steps, including 228884 resets, run finished after 14231 ms. (steps per millisecond=70 ) properties (out of 15) seen :3
Interrupted Best-First random walk after 963198 steps, including 47660 resets, run timeout after 5001 ms. (steps per millisecond=192 ) properties seen 0
Interrupted Best-First random walk after 867056 steps, including 43124 resets, run timeout after 5001 ms. (steps per millisecond=173 ) properties seen 3
Interrupted Best-First random walk after 881857 steps, including 43862 resets, run timeout after 5001 ms. (steps per millisecond=176 ) properties seen 1
Interrupted Best-First random walk after 906697 steps, including 44828 resets, run timeout after 5001 ms. (steps per millisecond=181 ) properties seen 0
Interrupted Best-First random walk after 501194 steps, including 100238 resets, run timeout after 5001 ms. (steps per millisecond=100 ) properties seen 0
Interrupted Best-First random walk after 666020 steps, including 67213 resets, run timeout after 5001 ms. (steps per millisecond=133 ) properties seen 0
Incomplete Best-First random walk after 1000000 steps, including 101743 resets, run finished after 4867 ms. (steps per millisecond=205 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 1000001 steps, including 100906 resets, run finished after 3845 ms. (steps per millisecond=260 ) properties (out of 8) seen :0
Incomplete Best-First random walk after 1000000 steps, including 100962 resets, run finished after 3381 ms. (steps per millisecond=295 ) properties (out of 8) seen :2
Running SMT prover for 6 properties.
// Phase 1: matrix 103 rows 79 cols
[2023-03-21 15:36:21] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:36:21] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:36:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:36:21] [INFO ] After 113ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-21 15:36:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:36:21] [INFO ] After 57ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-21 15:36:21] [INFO ] State equation strengthened by 37 read => feed constraints.
[2023-03-21 15:36:21] [INFO ] After 47ms SMT Verify possible using 37 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-21 15:36:21] [INFO ] After 105ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 47 ms.
[2023-03-21 15:36:21] [INFO ] After 274ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 665 ms.
Support contains 10 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 103/103 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 76 transition count 99
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 76 transition count 99
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 10 place count 72 transition count 95
Iterating global reduction 0 with 4 rules applied. Total rules applied 14 place count 72 transition count 95
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 16 place count 70 transition count 90
Iterating global reduction 0 with 2 rules applied. Total rules applied 18 place count 70 transition count 90
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 19 place count 70 transition count 89
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 20 place count 69 transition count 88
Iterating global reduction 1 with 1 rules applied. Total rules applied 21 place count 69 transition count 88
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 22 place count 68 transition count 87
Iterating global reduction 1 with 1 rules applied. Total rules applied 23 place count 68 transition count 87
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 25 place count 68 transition count 85
Applied a total of 25 rules in 17 ms. Remains 68 /79 variables (removed 11) and now considering 85/103 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 68/79 places, 85/103 transitions.
Incomplete random walk after 1000000 steps, including 228846 resets, run finished after 15288 ms. (steps per millisecond=65 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000001 steps, including 50361 resets, run finished after 4931 ms. (steps per millisecond=202 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000000 steps, including 49902 resets, run finished after 4494 ms. (steps per millisecond=222 ) properties (out of 6) seen :2
Interrupted Best-First random walk after 696164 steps, including 139232 resets, run timeout after 5001 ms. (steps per millisecond=139 ) properties seen 0
Interrupted Best-First random walk after 925842 steps, including 93798 resets, run timeout after 5001 ms. (steps per millisecond=185 ) properties seen 0
Interrupted Best-First random walk after 857548 steps, including 87171 resets, run timeout after 5001 ms. (steps per millisecond=171 ) properties seen 0
Running SMT prover for 4 properties.
// Phase 1: matrix 85 rows 68 cols
[2023-03-21 15:37:02] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:37:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:37:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:37:02] [INFO ] After 90ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2023-03-21 15:37:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:37:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:37:02] [INFO ] After 43ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2023-03-21 15:37:02] [INFO ] State equation strengthened by 31 read => feed constraints.
[2023-03-21 15:37:02] [INFO ] After 27ms SMT Verify possible using 31 Read/Feed constraints in natural domain returned unsat :0 sat :4
[2023-03-21 15:37:02] [INFO ] After 58ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
Attempting to minimize the solution found.
Minimization took 25 ms.
[2023-03-21 15:37:02] [INFO ] After 166ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Parikh walk visited 0 properties in 411 ms.
Support contains 8 out of 68 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 68/68 places, 85/85 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 67 transition count 82
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 67 transition count 82
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 66 transition count 81
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 66 transition count 81
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 5 place count 66 transition count 80
Applied a total of 5 rules in 9 ms. Remains 66 /68 variables (removed 2) and now considering 80/85 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 66/68 places, 80/85 transitions.
Incomplete random walk after 1000000 steps, including 229174 resets, run finished after 10903 ms. (steps per millisecond=91 ) properties (out of 4) seen :1
Incomplete Best-First random walk after 1000000 steps, including 50099 resets, run finished after 2936 ms. (steps per millisecond=340 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 101221 resets, run finished after 3950 ms. (steps per millisecond=253 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000001 steps, including 101489 resets, run finished after 3887 ms. (steps per millisecond=257 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 80 rows 66 cols
[2023-03-21 15:37:24] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-21 15:37:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:37:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:37:24] [INFO ] After 32ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:2
[2023-03-21 15:37:24] [INFO ] State equation strengthened by 28 read => feed constraints.
[2023-03-21 15:37:24] [INFO ] After 11ms SMT Verify possible using 28 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-21 15:37:24] [INFO ] After 83ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-21 15:37:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:37:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:37:24] [INFO ] After 30ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-21 15:37:24] [INFO ] After 19ms SMT Verify possible using 28 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-21 15:37:24] [INFO ] After 44ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 19 ms.
[2023-03-21 15:37:24] [INFO ] After 123ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 1 properties in 144 ms.
Support contains 4 out of 66 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 66/66 places, 80/80 transitions.
Graph (complete) has 195 edges and 66 vertex of which 65 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 3 place count 65 transition count 78
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 5 place count 63 transition count 76
Iterating global reduction 1 with 2 rules applied. Total rules applied 7 place count 63 transition count 76
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 9 place count 63 transition count 74
Applied a total of 9 rules in 9 ms. Remains 63 /66 variables (removed 3) and now considering 74/80 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 63/66 places, 74/80 transitions.
Incomplete random walk after 1000000 steps, including 229055 resets, run finished after 5445 ms. (steps per millisecond=183 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 50065 resets, run finished after 1946 ms. (steps per millisecond=513 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 101436 resets, run finished after 2453 ms. (steps per millisecond=407 ) properties (out of 2) seen :0
Finished probabilistic random walk after 8374 steps, run visited all 2 properties in 34 ms. (steps per millisecond=246 )
Probabilistic random walk after 8374 steps, saw 3659 distinct states, run finished after 34 ms. (steps per millisecond=246 ) properties seen :2
Able to resolve query QuasiLiveness after proving 91 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PARIKH_WALK PROBABILISTIC_WALK BESTFIRST_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 175364 ms.
ITS solved all properties within timeout

BK_STOP 1679413055797

--------------------
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="DBSingleClientW-PT-d0m05"
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 DBSingleClientW-PT-d0m05, 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-167814497300117"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m05.tgz
mv DBSingleClientW-PT-d0m05 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 ;