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.r117-tall-167814495300122.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 lolaxred
Input is DBSingleClientW-PT-d0m06, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495300122
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 572K
-rw-r--r-- 1 mcc users 9.5K Feb 26 15:32 CTLCardinality.txt
-rw-r--r-- 1 mcc users 113K Feb 26 15:32 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K Feb 26 15:31 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K Feb 26 15:31 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.8K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 20K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 15:33 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 108K Feb 26 15:33 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 6.7K Feb 26 15:33 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 54K Feb 26 15:33 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 1679412917123

bash -c /home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n "BK_STOP " ; date -u +%s%3N
Invoking MCC driver with
BK_TOOL=lolaxred
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d0m06
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:35:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:35:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:35:18] [INFO ] Load time of PNML (sax parser for PT used): 52 ms
[2023-03-21 15:35:18] [INFO ] Transformed 553 places.
[2023-03-21 15:35:18] [INFO ] Transformed 150 transitions.
[2023-03-21 15:35:18] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 109 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 15:35:18] [INFO ] Computed 2 place invariants in 14 ms
[2023-03-21 15:35:19] [INFO ] Implicit Places using invariants in 429 ms returned []
[2023-03-21 15:35:19] [INFO ] Invariant cache hit.
[2023-03-21 15:35:19] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:35:19] [INFO ] Implicit Places using invariants and state equation in 195 ms returned []
Implicit Place search using SMT with State Equation took 648 ms to find 0 implicit places.
[2023-03-21 15:35:19] [INFO ] Invariant cache hit.
[2023-03-21 15:35:19] [INFO ] Dead Transitions using invariants and state equation in 95 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 756 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 2270 resets, run finished after 471 ms. (steps per millisecond=21 ) properties (out of 90) seen :33
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 26 ms. (steps per millisecond=38 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1000 steps, including 41 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 57) seen :6
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 51) 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 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 57 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 55 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 40 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 58 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 58 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 60 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1001 steps, including 42 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 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 200 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 111 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 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 1001 steps, including 99 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 95 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 110 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 89 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 13 ms. (steps per millisecond=77 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 92 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 101 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 89 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 99 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 111 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 108 resets, run finished after 18 ms. (steps per millisecond=55 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 109 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 93 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 102 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 98 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 106 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 99 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 106 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 91 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 101 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 88 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :1
Running SMT prover for 49 properties.
[2023-03-21 15:35:20] [INFO ] Invariant cache hit.
[2023-03-21 15:35:20] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:35:20] [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 622ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:44
[2023-03-21 15:35:21] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:35:21] [INFO ] After 55ms SMT Verify possible using 63 Read/Feed constraints in real domain returned unsat :0 sat :0 real:49
[2023-03-21 15:35:21] [INFO ] After 1036ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:49
[2023-03-21 15:35:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 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 15:35:22] [INFO ] After 493ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :49
[2023-03-21 15:35:22] [INFO ] After 576ms SMT Verify possible using 63 Read/Feed constraints in natural domain returned unsat :0 sat :49
[2023-03-21 15:35:23] [INFO ] After 1387ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :49
Attempting to minimize the solution found.
Minimization took 616 ms.
[2023-03-21 15:35:24] [INFO ] After 2794ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :49
Parikh walk visited 19 properties in 831 ms.
Support contains 37 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 13 places :
Symmetric choice reduction at 0 with 13 rule applications. Total rules 13 place count 89 transition count 118
Iterating global reduction 0 with 13 rules applied. Total rules applied 26 place count 89 transition count 118
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 31 place count 84 transition count 113
Iterating global reduction 0 with 5 rules applied. Total rules applied 36 place count 84 transition count 113
Applied a total of 36 rules in 19 ms. Remains 84 /102 variables (removed 18) and now considering 113/139 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 84/102 places, 113/139 transitions.
Incomplete random walk after 1000000 steps, including 228898 resets, run finished after 21098 ms. (steps per millisecond=47 ) properties (out of 30) seen :3
Incomplete Best-First random walk after 100000 steps, including 5023 resets, run finished after 751 ms. (steps per millisecond=133 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100000 steps, including 5013 resets, run finished after 779 ms. (steps per millisecond=128 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 4950 resets, run finished after 708 ms. (steps per millisecond=141 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 4869 resets, run finished after 730 ms. (steps per millisecond=136 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 4919 resets, run finished after 726 ms. (steps per millisecond=137 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 4942 resets, run finished after 671 ms. (steps per millisecond=149 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100000 steps, including 4856 resets, run finished after 702 ms. (steps per millisecond=142 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 4968 resets, run finished after 675 ms. (steps per millisecond=148 ) properties (out of 27) seen :0
Incomplete Best-First random walk after 100001 steps, including 5000 resets, run finished after 748 ms. (steps per millisecond=133 ) properties (out of 27) seen :4
Incomplete Best-First random walk after 100001 steps, including 4944 resets, run finished after 799 ms. (steps per millisecond=125 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 4867 resets, run finished after 772 ms. (steps per millisecond=129 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1314 ms. (steps per millisecond=76 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 10039 resets, run finished after 1025 ms. (steps per millisecond=97 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 9961 resets, run finished after 1008 ms. (steps per millisecond=99 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 10076 resets, run finished after 1013 ms. (steps per millisecond=98 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 10156 resets, run finished after 1027 ms. (steps per millisecond=97 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 10080 resets, run finished after 1000 ms. (steps per millisecond=100 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 10075 resets, run finished after 1004 ms. (steps per millisecond=99 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 10041 resets, run finished after 1005 ms. (steps per millisecond=99 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100000 steps, including 10010 resets, run finished after 941 ms. (steps per millisecond=106 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 10047 resets, run finished after 990 ms. (steps per millisecond=101 ) properties (out of 23) seen :3
Incomplete Best-First random walk after 100000 steps, including 10183 resets, run finished after 953 ms. (steps per millisecond=104 ) properties (out of 20) seen :2
Running SMT prover for 18 properties.
// Phase 1: matrix 113 rows 84 cols
[2023-03-21 15:36:05] [INFO ] Computed 2 place invariants in 4 ms
[2023-03-21 15:36:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:36:05] [INFO ] After 235ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:18
[2023-03-21 15:36:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2023-03-21 15:36:06] [INFO ] After 133ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :18
[2023-03-21 15:36:06] [INFO ] State equation strengthened by 46 read => feed constraints.
[2023-03-21 15:36:06] [INFO ] After 161ms SMT Verify possible using 46 Read/Feed constraints in natural domain returned unsat :0 sat :18
[2023-03-21 15:36:06] [INFO ] After 371ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :18
Attempting to minimize the solution found.
Minimization took 158 ms.
[2023-03-21 15:36:06] [INFO ] After 748ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :18
Parikh walk visited 1 properties in 593 ms.
Support contains 24 out of 84 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 84/84 places, 113/113 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 81 transition count 106
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 81 transition count 106
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 79 transition count 104
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 79 transition count 104
Applied a total of 10 rules in 15 ms. Remains 79 /84 variables (removed 5) and now considering 104/113 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 79/84 places, 104/113 transitions.
Incomplete random walk after 1000000 steps, including 228685 resets, run finished after 18758 ms. (steps per millisecond=53 ) properties (out of 17) seen :7
Interrupted Best-First random walk after 855057 steps, including 42448 resets, run timeout after 5001 ms. (steps per millisecond=170 ) properties seen 1
Incomplete Best-First random walk after 1000001 steps, including 49700 resets, run finished after 4414 ms. (steps per millisecond=226 ) properties (out of 9) seen :2
Incomplete Best-First random walk after 1000000 steps, including 49364 resets, run finished after 2527 ms. (steps per millisecond=395 ) properties (out of 7) seen :1
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 4163 ms. (steps per millisecond=240 ) properties (out of 6) seen :0
Interrupted Best-First random walk after 947919 steps, including 95855 resets, run timeout after 5001 ms. (steps per millisecond=189 ) properties seen 0
Interrupted Best-First random walk after 782517 steps, including 79268 resets, run timeout after 5001 ms. (steps per millisecond=156 ) properties seen 0
Interrupted Best-First random walk after 753762 steps, including 76108 resets, run timeout after 5001 ms. (steps per millisecond=150 ) properties seen 0
Running SMT prover for 6 properties.
// Phase 1: matrix 104 rows 79 cols
[2023-03-21 15:36:57] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-21 15:36:57] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:36:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:36:57] [INFO ] After 108ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-21 15:36:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:36:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:36:57] [INFO ] After 60ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-21 15:36:57] [INFO ] State equation strengthened by 38 read => feed constraints.
[2023-03-21 15:36:57] [INFO ] After 47ms SMT Verify possible using 38 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-21 15:36:57] [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 40 ms.
[2023-03-21 15:36:57] [INFO ] After 263ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 525 ms.
Support contains 11 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 104/104 transitions.
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 5 place count 74 transition count 95
Iterating global reduction 0 with 5 rules applied. Total rules applied 10 place count 74 transition count 95
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 14 place count 70 transition count 89
Iterating global reduction 0 with 4 rules applied. Total rules applied 18 place count 70 transition count 89
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 88
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 68 transition count 85
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 68 transition count 85
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 24 place count 68 transition count 84
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 25 place count 67 transition count 83
Iterating global reduction 2 with 1 rules applied. Total rules applied 26 place count 67 transition count 83
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 28 place count 67 transition count 81
Applied a total of 28 rules in 17 ms. Remains 67 /79 variables (removed 12) and now considering 81/104 (removed 23) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 67/79 places, 81/104 transitions.
Incomplete random walk after 1000000 steps, including 229260 resets, run finished after 13988 ms. (steps per millisecond=71 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000000 steps, including 50047 resets, run finished after 4745 ms. (steps per millisecond=210 ) properties (out of 6) seen :0
Incomplete Best-First random walk after 1000000 steps, including 50229 resets, run finished after 3147 ms. (steps per millisecond=317 ) properties (out of 6) seen :1
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 4936 ms. (steps per millisecond=202 ) properties (out of 5) seen :0
Interrupted Best-First random walk after 964836 steps, including 98313 resets, run timeout after 5001 ms. (steps per millisecond=192 ) properties seen 0
Interrupted Best-First random walk after 794889 steps, including 80474 resets, run timeout after 5001 ms. (steps per millisecond=158 ) properties seen 0
Interrupted Best-First random walk after 797546 steps, including 80983 resets, run timeout after 5001 ms. (steps per millisecond=159 ) properties seen 0
Running SMT prover for 5 properties.
// Phase 1: matrix 81 rows 67 cols
[2023-03-21 15:37:39] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-21 15:37:39] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:37:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:37:40] [INFO ] After 87ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:5
[2023-03-21 15:37:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:37:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:37:40] [INFO ] After 38ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :5
[2023-03-21 15:37:40] [INFO ] State equation strengthened by 29 read => feed constraints.
[2023-03-21 15:37:40] [INFO ] After 24ms SMT Verify possible using 29 Read/Feed constraints in natural domain returned unsat :0 sat :5
[2023-03-21 15:37:40] [INFO ] After 66ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :5
Attempting to minimize the solution found.
Minimization took 26 ms.
[2023-03-21 15:37:40] [INFO ] After 168ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :5
Parikh walk visited 1 properties in 329 ms.
Support contains 8 out of 67 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 67/67 places, 81/81 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 65 transition count 77
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 65 transition count 77
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 65 transition count 76
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 6 place count 64 transition count 75
Iterating global reduction 1 with 1 rules applied. Total rules applied 7 place count 64 transition count 75
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 8 place count 63 transition count 74
Iterating global reduction 1 with 1 rules applied. Total rules applied 9 place count 63 transition count 74
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 10 place count 62 transition count 72
Iterating global reduction 1 with 1 rules applied. Total rules applied 11 place count 62 transition count 72
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 12 place count 61 transition count 71
Iterating global reduction 1 with 1 rules applied. Total rules applied 13 place count 61 transition count 71
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 14 place count 60 transition count 70
Iterating global reduction 1 with 1 rules applied. Total rules applied 15 place count 60 transition count 70
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 60 transition count 68
Applied a total of 17 rules in 16 ms. Remains 60 /67 variables (removed 7) and now considering 68/81 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 60/67 places, 68/81 transitions.
Incomplete random walk after 1000000 steps, including 229049 resets, run finished after 8070 ms. (steps per millisecond=123 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000000 steps, including 50963 resets, run finished after 2730 ms. (steps per millisecond=366 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 3342 ms. (steps per millisecond=299 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000001 steps, including 101774 resets, run finished after 2586 ms. (steps per millisecond=386 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000000 steps, including 101728 resets, run finished after 2564 ms. (steps per millisecond=390 ) properties (out of 4) seen :0
Finished probabilistic random walk after 4406 steps, run visited all 4 properties in 23 ms. (steps per millisecond=191 )
Probabilistic random walk after 4406 steps, saw 1996 distinct states, run finished after 23 ms. (steps per millisecond=191 ) properties seen :4
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 161250 ms.
ITS solved all properties within timeout

BK_STOP 1679413080896

--------------------
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="DBSingleClientW-PT-d0m06"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="lolaxred"
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 lolaxred"
echo " Input is DBSingleClientW-PT-d0m06, 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 r117-tall-167814495300122"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m06.tgz
mv DBSingleClientW-PT-d0m06 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 ;