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-167814495300112.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-d0m04, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495300112
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 556K
-rw-r--r-- 1 mcc users 6.6K Feb 26 15:23 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K Feb 26 15:23 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.5K Feb 26 15:23 CTLFireability.txt
-rw-r--r-- 1 mcc users 37K Feb 26 15:23 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.4K Feb 25 15:48 LTLCardinality.txt
-rw-r--r-- 1 mcc users 22K Feb 25 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 15K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Feb 26 15:24 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 115K Feb 26 15:24 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Feb 26 15:24 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Feb 26 15:24 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 1679412818918

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-d0m04
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:33:40] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:33:40] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:33:40] [INFO ] Load time of PNML (sax parser for PT used): 53 ms
[2023-03-21 15:33:40] [INFO ] Transformed 553 places.
[2023-03-21 15:33:40] [INFO ] Transformed 150 transitions.
[2023-03-21 15:33:40] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 112 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 12 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 15:33:40] [INFO ] Computed 2 place invariants in 16 ms
[2023-03-21 15:33:40] [INFO ] Implicit Places using invariants in 510 ms returned []
[2023-03-21 15:33:40] [INFO ] Invariant cache hit.
[2023-03-21 15:33:41] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:33:41] [INFO ] Implicit Places using invariants and state equation in 216 ms returned []
Implicit Place search using SMT with State Equation took 751 ms to find 0 implicit places.
[2023-03-21 15:33:41] [INFO ] Invariant cache hit.
[2023-03-21 15:33:41] [INFO ] Dead Transitions using invariants and state equation in 85 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 849 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 2289 resets, run finished after 483 ms. (steps per millisecond=20 ) properties (out of 90) seen :34
Incomplete Best-First random walk after 1001 steps, including 52 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 55 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 48 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 56) seen :1
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 55) seen :1
Incomplete Best-First random walk after 1001 steps, including 57 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1000 steps, including 63 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 45 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1000 steps, including 42 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 54) 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 54) 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 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1000 steps, including 49 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 58 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1000 steps, including 53 resets, run finished after 7 ms. (steps per millisecond=142 ) properties (out of 54) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 54) seen :2
Incomplete Best-First random walk after 1000 steps, including 54 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 48 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 43 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 54 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 59 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 46 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 58 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 95 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 97 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 52) 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 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 101 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1001 steps, including 114 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 52) seen :0
Incomplete Best-First random walk after 1000 steps, including 104 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 52) seen :2
Incomplete Best-First random walk after 1001 steps, including 95 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 103 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 86 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 103 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 13 ms. (steps per millisecond=76 ) 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 1000 steps, including 101 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 93 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 82 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 88 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 119 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 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 1001 steps, including 111 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 89 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 50) seen :2
Incomplete Best-First random walk after 1001 steps, including 107 resets, run finished after 14 ms. (steps per millisecond=71 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 100 resets, run finished after 21 ms. (steps per millisecond=47 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 93 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 48) seen :0
Running SMT prover for 48 properties.
[2023-03-21 15:33:42] [INFO ] Invariant cache hit.
[2023-03-21 15:33:42] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2023-03-21 15:33:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:33:43] [INFO ] After 755ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:48
[2023-03-21 15:33:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:33:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2023-03-21 15:33:43] [INFO ] After 473ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :48
[2023-03-21 15:33:43] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:33:44] [INFO ] After 547ms SMT Verify possible using 63 Read/Feed constraints in natural domain returned unsat :0 sat :48
[2023-03-21 15:33:45] [INFO ] After 1354ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :48
Attempting to minimize the solution found.
Minimization took 561 ms.
[2023-03-21 15:33:45] [INFO ] After 2635ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :48
Parikh walk visited 14 properties in 942 ms.
Support contains 41 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 10 places :
Symmetric choice reduction at 0 with 10 rule applications. Total rules 10 place count 92 transition count 123
Iterating global reduction 0 with 10 rules applied. Total rules applied 20 place count 92 transition count 123
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 22 place count 90 transition count 121
Iterating global reduction 0 with 2 rules applied. Total rules applied 24 place count 90 transition count 121
Applied a total of 24 rules in 18 ms. Remains 90 /102 variables (removed 12) and now considering 121/139 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 90/102 places, 121/139 transitions.
Incomplete random walk after 1000000 steps, including 228692 resets, run finished after 19552 ms. (steps per millisecond=51 ) properties (out of 34) seen :11
Incomplete Best-First random walk after 100000 steps, including 5022 resets, run finished after 621 ms. (steps per millisecond=161 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 4982 resets, run finished after 481 ms. (steps per millisecond=207 ) properties (out of 23) seen :0
Incomplete Best-First random walk after 100001 steps, including 4971 resets, run finished after 474 ms. (steps per millisecond=210 ) properties (out of 23) seen :4
Incomplete Best-First random walk after 100001 steps, including 5034 resets, run finished after 635 ms. (steps per millisecond=157 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 4992 resets, run finished after 596 ms. (steps per millisecond=167 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 5031 resets, run finished after 632 ms. (steps per millisecond=158 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100000 steps, including 4959 resets, run finished after 635 ms. (steps per millisecond=157 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 4918 resets, run finished after 629 ms. (steps per millisecond=158 ) properties (out of 19) seen :0
Incomplete Best-First random walk after 100001 steps, including 4990 resets, run finished after 624 ms. (steps per millisecond=160 ) properties (out of 19) seen :2
Incomplete Best-First random walk after 100000 steps, including 5110 resets, run finished after 589 ms. (steps per millisecond=169 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1079 ms. (steps per millisecond=92 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 1068 ms. (steps per millisecond=93 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 10045 resets, run finished after 759 ms. (steps per millisecond=131 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 10135 resets, run finished after 793 ms. (steps per millisecond=126 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 10062 resets, run finished after 766 ms. (steps per millisecond=130 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 10140 resets, run finished after 743 ms. (steps per millisecond=134 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 10022 resets, run finished after 752 ms. (steps per millisecond=132 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 10256 resets, run finished after 790 ms. (steps per millisecond=126 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 10243 resets, run finished after 783 ms. (steps per millisecond=127 ) properties (out of 17) seen :3
Running SMT prover for 14 properties.
// Phase 1: matrix 121 rows 90 cols
[2023-03-21 15:34:19] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:34:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:34:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:34:19] [INFO ] After 141ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:13
[2023-03-21 15:34:19] [INFO ] State equation strengthened by 52 read => feed constraints.
[2023-03-21 15:34:19] [INFO ] After 13ms SMT Verify possible using 52 Read/Feed constraints in real domain returned unsat :0 sat :0 real:14
[2023-03-21 15:34:19] [INFO ] After 237ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:14
[2023-03-21 15:34:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:34:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:34:20] [INFO ] After 120ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :14
[2023-03-21 15:34:20] [INFO ] After 128ms SMT Verify possible using 52 Read/Feed constraints in natural domain returned unsat :0 sat :14
[2023-03-21 15:34:20] [INFO ] After 291ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :14
Attempting to minimize the solution found.
Minimization took 115 ms.
[2023-03-21 15:34:20] [INFO ] After 604ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :14
Parikh walk visited 3 properties in 3461 ms.
Support contains 17 out of 90 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 90/90 places, 121/121 transitions.
Discarding 8 places :
Symmetric choice reduction at 0 with 8 rule applications. Total rules 8 place count 82 transition count 106
Iterating global reduction 0 with 8 rules applied. Total rules applied 16 place count 82 transition count 106
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 22 place count 76 transition count 100
Iterating global reduction 0 with 6 rules applied. Total rules applied 28 place count 76 transition count 100
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 29 place count 75 transition count 99
Iterating global reduction 0 with 1 rules applied. Total rules applied 30 place count 75 transition count 99
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 31 place count 74 transition count 97
Iterating global reduction 0 with 1 rules applied. Total rules applied 32 place count 74 transition count 97
Applied a total of 32 rules in 13 ms. Remains 74 /90 variables (removed 16) and now considering 97/121 (removed 24) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 74/90 places, 97/121 transitions.
Incomplete random walk after 1000000 steps, including 229077 resets, run finished after 14600 ms. (steps per millisecond=68 ) properties (out of 11) seen :1
Incomplete Best-First random walk after 1000000 steps, including 49842 resets, run finished after 4990 ms. (steps per millisecond=200 ) properties (out of 10) seen :0
Incomplete Best-First random walk after 1000000 steps, including 49937 resets, run finished after 4872 ms. (steps per millisecond=205 ) properties (out of 10) seen :2
Incomplete Best-First random walk after 1000001 steps, including 49823 resets, run finished after 4647 ms. (steps per millisecond=215 ) properties (out of 8) seen :0
Interrupted Best-First random walk after 812661 steps, including 82378 resets, run timeout after 5001 ms. (steps per millisecond=162 ) properties seen 0
Interrupted Best-First random walk after 793535 steps, including 80638 resets, run timeout after 5001 ms. (steps per millisecond=158 ) properties seen 0
Interrupted Best-First random walk after 774932 steps, including 79304 resets, run timeout after 5001 ms. (steps per millisecond=154 ) properties seen 0
Interrupted Best-First random walk after 822132 steps, including 83394 resets, run timeout after 5001 ms. (steps per millisecond=164 ) properties seen 0
Interrupted Best-First random walk after 833987 steps, including 84675 resets, run timeout after 5001 ms. (steps per millisecond=166 ) properties seen 2
Running SMT prover for 6 properties.
// Phase 1: matrix 97 rows 74 cols
[2023-03-21 15:35:18] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-21 15:35:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:35:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:35:18] [INFO ] After 101ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2023-03-21 15:35:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:35:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:35:18] [INFO ] After 59ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2023-03-21 15:35:18] [INFO ] State equation strengthened by 36 read => feed constraints.
[2023-03-21 15:35:18] [INFO ] After 47ms SMT Verify possible using 36 Read/Feed constraints in natural domain returned unsat :0 sat :6
[2023-03-21 15:35:18] [INFO ] After 121ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
Attempting to minimize the solution found.
Minimization took 39 ms.
[2023-03-21 15:35:18] [INFO ] After 272ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Parikh walk visited 0 properties in 466 ms.
Support contains 10 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 97/97 transitions.
Graph (complete) has 221 edges and 74 vertex of which 73 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 73 transition count 95
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 6 place count 70 transition count 90
Iterating global reduction 1 with 3 rules applied. Total rules applied 9 place count 70 transition count 90
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 11 place count 70 transition count 88
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 13 place count 68 transition count 86
Iterating global reduction 2 with 2 rules applied. Total rules applied 15 place count 68 transition count 86
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 16 place count 67 transition count 83
Iterating global reduction 2 with 1 rules applied. Total rules applied 17 place count 67 transition count 83
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 18 place count 66 transition count 82
Iterating global reduction 2 with 1 rules applied. Total rules applied 19 place count 66 transition count 82
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 20 place count 65 transition count 81
Iterating global reduction 2 with 1 rules applied. Total rules applied 21 place count 65 transition count 81
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 23 place count 65 transition count 79
Applied a total of 23 rules in 31 ms. Remains 65 /74 variables (removed 9) and now considering 79/97 (removed 18) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 32 ms. Remains : 65/74 places, 79/97 transitions.
Incomplete random walk after 1000000 steps, including 229501 resets, run finished after 11159 ms. (steps per millisecond=89 ) properties (out of 6) seen :2
Incomplete Best-First random walk after 1000001 steps, including 50470 resets, run finished after 3080 ms. (steps per millisecond=324 ) properties (out of 4) seen :2
Incomplete Best-First random walk after 1000000 steps, including 101847 resets, run finished after 2075 ms. (steps per millisecond=481 ) properties (out of 2) seen :0
Incomplete Best-First random walk after 1000000 steps, including 101949 resets, run finished after 2062 ms. (steps per millisecond=484 ) properties (out of 2) seen :0
Running SMT prover for 2 properties.
// Phase 1: matrix 79 rows 65 cols
[2023-03-21 15:35:37] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:35:37] [INFO ] [Real]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:35:37] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:2
[2023-03-21 15:35:37] [INFO ] [Nat]Absence check using 0 positive and 2 generalized place invariants in 1 ms returned sat
[2023-03-21 15:35:37] [INFO ] After 23ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :2
[2023-03-21 15:35:37] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-21 15:35:37] [INFO ] After 9ms SMT Verify possible using 25 Read/Feed constraints in natural domain returned unsat :0 sat :2
[2023-03-21 15:35:37] [INFO ] After 27ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :2
Attempting to minimize the solution found.
Minimization took 13 ms.
[2023-03-21 15:35:37] [INFO ] After 101ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :2
Parikh walk visited 1 properties in 30 ms.
Support contains 2 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 79/79 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 62 transition count 74
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 62 transition count 74
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 60 transition count 72
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 60 transition count 72
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 12 place count 60 transition count 70
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 59 transition count 68
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 59 transition count 68
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 1 with 1 rules applied. Total rules applied 15 place count 59 transition count 67
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 16 place count 58 transition count 66
Iterating global reduction 2 with 1 rules applied. Total rules applied 17 place count 58 transition count 66
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 18 place count 57 transition count 65
Iterating global reduction 2 with 1 rules applied. Total rules applied 19 place count 57 transition count 65
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 21 place count 57 transition count 63
Applied a total of 21 rules in 14 ms. Remains 57 /65 variables (removed 8) and now considering 63/79 (removed 16) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 57/65 places, 63/79 transitions.
Incomplete random walk after 1000000 steps, including 229186 resets, run finished after 772 ms. (steps per millisecond=1295 ) properties (out of 1) seen :0
Incomplete Best-First random walk after 1000001 steps, including 101977 resets, run finished after 424 ms. (steps per millisecond=2358 ) properties (out of 1) seen :0
Finished probabilistic random walk after 4088 steps, run visited all 1 properties in 14 ms. (steps per millisecond=292 )
Probabilistic random walk after 4088 steps, saw 1832 distinct states, run finished after 14 ms. (steps per millisecond=292 ) 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 118488 ms.
ITS solved all properties within timeout

BK_STOP 1679412939727

--------------------
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-d0m04"
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-d0m04, 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-167814495300112"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m04.tgz
mv DBSingleClientW-PT-d0m04 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 ;