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-167814495300137.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 lolaxred
Input is DBSingleClientW-PT-d0m09, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495300137
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 540K
-rw-r--r-- 1 mcc users 6.5K Feb 26 15:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 64K Feb 26 15:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.4K Feb 26 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K Feb 26 15:33 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.9K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 28K 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 12K Feb 26 15:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 124K Feb 26 15:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.7K Feb 26 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 66K Feb 26 15:34 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 1679413011981

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-d0m09
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:36:53] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:36:53] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:36:53] [INFO ] Load time of PNML (sax parser for PT used): 54 ms
[2023-03-21 15:36:53] [INFO ] Transformed 553 places.
[2023-03-21 15:36:53] [INFO ] Transformed 150 transitions.
[2023-03-21 15:36:53] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 114 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 15:36:53] [INFO ] Computed 2 place invariants in 17 ms
[2023-03-21 15:36:54] [INFO ] Implicit Places using invariants in 469 ms returned []
[2023-03-21 15:36:54] [INFO ] Invariant cache hit.
[2023-03-21 15:36:54] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:36:54] [INFO ] Implicit Places using invariants and state equation in 218 ms returned []
Implicit Place search using SMT with State Equation took 711 ms to find 0 implicit places.
[2023-03-21 15:36:54] [INFO ] Invariant cache hit.
[2023-03-21 15:36:54] [INFO ] Dead Transitions using invariants and state equation in 70 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 794 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 2306 resets, run finished after 423 ms. (steps per millisecond=23 ) properties (out of 90) seen :34
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1000 steps, including 54 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1001 steps, including 59 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1000 steps, including 56 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1000 steps, including 64 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 56) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 56) seen :1
Incomplete Best-First random walk after 1001 steps, including 65 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 46 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 15 ms. (steps per millisecond=66 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 53 resets, run finished after 19 ms. (steps per millisecond=52 ) properties (out of 55) seen :1
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 54) seen :3
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 51 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 64 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 45 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 51) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 51) seen :1
Incomplete Best-First random walk after 1001 steps, including 56 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 47 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 50) 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 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 57 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 50) 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 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 50) 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 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 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 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 105 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 112 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 108 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 97 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 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 87 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 110 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 109 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 105 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 96 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 108 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 96 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 9 ms. (steps per millisecond=111 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1001 steps, including 98 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 104 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 99 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 108 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 94 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 85 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 108 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 50) seen :0
Incomplete Best-First random walk after 1000 steps, including 94 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 50) seen :3
Incomplete Best-First random walk after 1001 steps, including 88 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 47) seen :0
Running SMT prover for 47 properties.
[2023-03-21 15:36:55] [INFO ] Invariant cache hit.
[2023-03-21 15:36:55] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-21 15:36:56] [INFO ] After 837ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:47
[2023-03-21 15:36:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-21 15:36:56] [INFO ] After 470ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :47
[2023-03-21 15:36:56] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:36:57] [INFO ] After 547ms SMT Verify possible using 63 Read/Feed constraints in natural domain returned unsat :0 sat :47
[2023-03-21 15:36:58] [INFO ] After 1310ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :47
Attempting to minimize the solution found.
Minimization took 585 ms.
[2023-03-21 15:36:58] [INFO ] After 2589ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :47
Parikh walk visited 19 properties in 2106 ms.
Support contains 35 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 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 30 place count 85 transition count 114
Iterating global reduction 0 with 4 rules applied. Total rules applied 34 place count 85 transition count 114
Applied a total of 34 rules in 29 ms. Remains 85 /102 variables (removed 17) and now considering 114/139 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 85/102 places, 114/139 transitions.
Incomplete random walk after 1000000 steps, including 228941 resets, run finished after 23810 ms. (steps per millisecond=41 ) properties (out of 28) seen :5
Incomplete Best-First random walk after 100001 steps, including 4913 resets, run finished after 789 ms. (steps per millisecond=126 ) properties (out of 23) seen :2
Incomplete Best-First random walk after 100001 steps, including 4886 resets, run finished after 760 ms. (steps per millisecond=131 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4983 resets, run finished after 769 ms. (steps per millisecond=130 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4899 resets, run finished after 768 ms. (steps per millisecond=130 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4966 resets, run finished after 790 ms. (steps per millisecond=126 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100000 steps, including 5043 resets, run finished after 667 ms. (steps per millisecond=149 ) properties (out of 21) seen :0
Incomplete Best-First random walk after 100001 steps, including 4996 resets, run finished after 649 ms. (steps per millisecond=154 ) properties (out of 21) seen :1
Incomplete Best-First random walk after 100000 steps, including 4966 resets, run finished after 799 ms. (steps per millisecond=125 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 4911 resets, run finished after 697 ms. (steps per millisecond=143 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1405 ms. (steps per millisecond=71 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1400 ms. (steps per millisecond=71 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10090 resets, run finished after 1037 ms. (steps per millisecond=96 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10131 resets, run finished after 1052 ms. (steps per millisecond=95 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10042 resets, run finished after 1055 ms. (steps per millisecond=94 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10056 resets, run finished after 1039 ms. (steps per millisecond=96 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10058 resets, run finished after 1028 ms. (steps per millisecond=97 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100000 steps, including 10130 resets, run finished after 1062 ms. (steps per millisecond=94 ) properties (out of 20) seen :0
Incomplete Best-First random walk after 100001 steps, including 10027 resets, run finished after 1021 ms. (steps per millisecond=97 ) properties (out of 20) seen :3
Incomplete Best-First random walk after 100001 steps, including 10177 resets, run finished after 1028 ms. (steps per millisecond=97 ) properties (out of 17) seen :2
Incomplete Best-First random walk after 100001 steps, including 10146 resets, run finished after 850 ms. (steps per millisecond=117 ) properties (out of 15) seen :0
Running SMT prover for 15 properties.
// Phase 1: matrix 114 rows 85 cols
[2023-03-21 15:37:43] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:37:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:37:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:37:43] [INFO ] After 210ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:15
[2023-03-21 15:37:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:37:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:37:43] [INFO ] After 121ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :15
[2023-03-21 15:37:43] [INFO ] State equation strengthened by 47 read => feed constraints.
[2023-03-21 15:37:43] [INFO ] After 135ms SMT Verify possible using 47 Read/Feed constraints in natural domain returned unsat :0 sat :15
[2023-03-21 15:37:44] [INFO ] After 296ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :15
Attempting to minimize the solution found.
Minimization took 115 ms.
[2023-03-21 15:37:44] [INFO ] After 620ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :15
Parikh walk visited 9 properties in 5644 ms.
Support contains 11 out of 85 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 85/85 places, 114/114 transitions.
Discarding 7 places :
Symmetric choice reduction at 0 with 7 rule applications. Total rules 7 place count 78 transition count 101
Iterating global reduction 0 with 7 rules applied. Total rules applied 14 place count 78 transition count 101
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 19 place count 73 transition count 96
Iterating global reduction 0 with 5 rules applied. Total rules applied 24 place count 73 transition count 96
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 25 place count 73 transition count 95
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 72 transition count 93
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 72 transition count 93
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 28 place count 72 transition count 92
Applied a total of 28 rules in 19 ms. Remains 72 /85 variables (removed 13) and now considering 92/114 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 72/85 places, 92/114 transitions.
Incomplete random walk after 1000000 steps, including 228962 resets, run finished after 9020 ms. (steps per millisecond=110 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 1000001 steps, including 49840 resets, run finished after 2326 ms. (steps per millisecond=429 ) properties (out of 4) seen :0
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 4972 ms. (steps per millisecond=201 ) properties (out of 4) seen :0
Interrupted Best-First random walk after 982816 steps, including 99294 resets, run timeout after 5001 ms. (steps per millisecond=196 ) properties seen 2
Running SMT prover for 2 properties.
// Phase 1: matrix 92 rows 72 cols
[2023-03-21 15:38:11] [INFO ] Computed 2 place invariants in 6 ms
[2023-03-21 15:38:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:38:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:38:11] [INFO ] After 28ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:1
[2023-03-21 15:38:11] [INFO ] State equation strengthened by 33 read => feed constraints.
[2023-03-21 15:38:11] [INFO ] After 6ms SMT Verify possible using 33 Read/Feed constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-21 15:38:11] [INFO ] After 76ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-21 15:38:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:38:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:38:11] [INFO ] After 33ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-21 15:38:11] [INFO ] After 9ms SMT Verify possible using 33 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-21 15:38:11] [INFO ] After 20ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 8 ms.
[2023-03-21 15:38:11] [INFO ] After 91ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 0 properties in 45 ms.
Support contains 4 out of 72 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 72/72 places, 92/92 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 68 transition count 84
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 68 transition count 84
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 9 place count 68 transition count 83
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 12 place count 65 transition count 78
Iterating global reduction 1 with 3 rules applied. Total rules applied 15 place count 65 transition count 78
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 17 place count 63 transition count 76
Iterating global reduction 1 with 2 rules applied. Total rules applied 19 place count 63 transition count 76
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 21 place count 61 transition count 73
Iterating global reduction 1 with 2 rules applied. Total rules applied 23 place count 61 transition count 73
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 61 transition count 71
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 26 place count 60 transition count 70
Iterating global reduction 2 with 1 rules applied. Total rules applied 27 place count 60 transition count 70
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 28 place count 59 transition count 69
Iterating global reduction 2 with 1 rules applied. Total rules applied 29 place count 59 transition count 69
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 31 place count 59 transition count 67
Applied a total of 31 rules in 17 ms. Remains 59 /72 variables (removed 13) and now considering 67/92 (removed 25) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 59/72 places, 67/92 transitions.
Incomplete random walk after 1000000 steps, including 229008 resets, run finished after 6942 ms. (steps per millisecond=144 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 4538 ms. (steps per millisecond=220 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 101725 resets, run finished after 2512 ms. (steps per millisecond=398 ) properties (out of 2) seen :1
Running SMT prover for 1 properties.
// Phase 1: matrix 67 rows 59 cols
[2023-03-21 15:38:25] [INFO ] Computed 2 place invariants in 4 ms
[2023-03-21 15:38:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:38:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:38:25] [INFO ] After 25ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2023-03-21 15:38:25] [INFO ] State equation strengthened by 23 read => feed constraints.
[2023-03-21 15:38:25] [INFO ] After 5ms SMT Verify possible using 23 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:38:25] [INFO ] After 63ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2023-03-21 15:38:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:38:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:38:25] [INFO ] After 26ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2023-03-21 15:38:25] [INFO ] After 6ms SMT Verify possible using 23 Read/Feed constraints in natural domain returned unsat :0 sat :1
[2023-03-21 15:38:25] [INFO ] After 10ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
Attempting to minimize the solution found.
Minimization took 5 ms.
[2023-03-21 15:38:25] [INFO ] After 64ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Parikh walk visited 0 properties in 2 ms.
Support contains 2 out of 59 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 59/59 places, 67/67 transitions.
Applied a total of 0 rules in 4 ms. Remains 59 /59 variables (removed 0) and now considering 67/67 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 59/59 places, 67/67 transitions.
Incomplete random walk after 1000000 steps, including 229361 resets, run finished after 859 ms. (steps per millisecond=1164 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 571 ms. (steps per millisecond=1751 ) properties (out of 1) seen :0
Finished probabilistic random walk after 5133 steps, run visited all 1 properties in 17 ms. (steps per millisecond=301 )
Probabilistic random walk after 5133 steps, saw 2300 distinct states, run finished after 17 ms. (steps per millisecond=301 ) properties seen :1
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 93675 ms.
ITS solved all properties within timeout

BK_STOP 1679413108196

--------------------
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-d0m09"
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-d0m09, 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-167814495300137"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m09.tgz
mv DBSingleClientW-PT-d0m09 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 ;