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-167814495300132.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-d0m08, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r117-tall-167814495300132
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 588K
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:34 CTLCardinality.txt
-rw-r--r-- 1 mcc users 54K Feb 26 15:34 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K Feb 26 15:33 CTLFireability.txt
-rw-r--r-- 1 mcc users 49K Feb 26 15:33 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 2.2K Feb 25 15:48 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Feb 25 15:48 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Feb 26 15:35 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K Feb 26 15:35 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.5K Feb 26 15:34 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 86K 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 1679412972891

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-d0m08
Applying reductions before tool lola
Invoking reducer
Running Version 202303021504
[2023-03-21 15:36:14] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2023-03-21 15:36:14] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2023-03-21 15:36:14] [INFO ] Load time of PNML (sax parser for PT used): 56 ms
[2023-03-21 15:36:14] [INFO ] Transformed 553 places.
[2023-03-21 15:36:14] [INFO ] Transformed 150 transitions.
[2023-03-21 15:36:14] [INFO ] Parsed PT model containing 553 places and 150 transitions and 600 arcs in 118 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 15:36:14] [INFO ] Computed 2 place invariants in 16 ms
[2023-03-21 15:36:14] [INFO ] Implicit Places using invariants in 290 ms returned []
[2023-03-21 15:36:14] [INFO ] Invariant cache hit.
[2023-03-21 15:36:14] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:36:15] [INFO ] Implicit Places using invariants and state equation in 193 ms returned []
Implicit Place search using SMT with State Equation took 509 ms to find 0 implicit places.
[2023-03-21 15:36:15] [INFO ] Invariant cache hit.
[2023-03-21 15:36:15] [INFO ] Dead Transitions using invariants and state equation in 73 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 595 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 2290 resets, run finished after 457 ms. (steps per millisecond=21 ) properties (out of 90) seen :32
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 17 ms. (steps per millisecond=58 ) properties (out of 58) seen :1
Incomplete Best-First random walk after 1000 steps, including 53 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 57) seen :0
Incomplete Best-First random walk after 1001 steps, including 47 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 57) seen :2
Incomplete Best-First random walk after 1001 steps, including 59 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 7 ms. (steps per millisecond=143 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 58 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 66 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 50 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1000 steps, including 51 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 55) seen :0
Incomplete Best-First random walk after 1001 steps, including 40 resets, run finished after 6 ms. (steps per millisecond=166 ) properties (out of 55) seen :3
Incomplete Best-First random walk after 1000 steps, including 50 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 52) seen :3
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 49) 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 49) 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 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 49 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 57 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 49) seen :0
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 49) seen :1
Incomplete Best-First random walk after 1001 steps, including 53 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 61 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 57 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 47 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 54 resets, run finished after 5 ms. (steps per millisecond=200 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 52 resets, run finished after 8 ms. (steps per millisecond=125 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 44 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 52 resets, run finished after 10 ms. (steps per millisecond=100 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 58 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 51 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 200 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 48) 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 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 99 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 110 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 105 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 95 resets, run finished after 16 ms. (steps per millisecond=62 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 105 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 114 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 48) 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 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 104 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 48) 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 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 98 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 107 resets, run finished after 13 ms. (steps per millisecond=76 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 92 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 104 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 120 resets, run finished after 13 ms. (steps per millisecond=77 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 101 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 103 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 103 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 104 resets, run finished after 11 ms. (steps per millisecond=91 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1001 steps, including 98 resets, run finished after 12 ms. (steps per millisecond=83 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 90 resets, run finished after 9 ms. (steps per millisecond=111 ) properties (out of 48) seen :0
Incomplete Best-First random walk after 1000 steps, including 110 resets, run finished after 11 ms. (steps per millisecond=90 ) properties (out of 48) seen :0
Running SMT prover for 48 properties.
[2023-03-21 15:36:16] [INFO ] Invariant cache hit.
[2023-03-21 15:36:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:36:17] [INFO ] After 886ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:48
[2023-03-21 15:36:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2023-03-21 15:36:17] [INFO ] After 500ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :48
[2023-03-21 15:36:17] [INFO ] State equation strengthened by 63 read => feed constraints.
[2023-03-21 15:36:18] [INFO ] After 556ms SMT Verify possible using 63 Read/Feed constraints in natural domain returned unsat :0 sat :48
[2023-03-21 15:36:19] [INFO ] After 1382ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :48
Attempting to minimize the solution found.
Minimization took 523 ms.
[2023-03-21 15:36:19] [INFO ] After 2638ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :48
Parikh walk visited 28 properties in 1190 ms.
Support contains 26 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 139/139 transitions.
Discarding 16 places :
Symmetric choice reduction at 0 with 16 rule applications. Total rules 16 place count 86 transition count 111
Iterating global reduction 0 with 16 rules applied. Total rules applied 32 place count 86 transition count 111
Discarding 5 places :
Symmetric choice reduction at 0 with 5 rule applications. Total rules 37 place count 81 transition count 106
Iterating global reduction 0 with 5 rules applied. Total rules applied 42 place count 81 transition count 106
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 43 place count 80 transition count 105
Iterating global reduction 0 with 1 rules applied. Total rules applied 44 place count 80 transition count 105
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 45 place count 79 transition count 103
Iterating global reduction 0 with 1 rules applied. Total rules applied 46 place count 79 transition count 103
Applied a total of 46 rules in 22 ms. Remains 79 /102 variables (removed 23) and now considering 103/139 (removed 36) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 79/102 places, 103/139 transitions.
Incomplete random walk after 1000000 steps, including 229146 resets, run finished after 21852 ms. (steps per millisecond=45 ) properties (out of 20) seen :3
Incomplete Best-First random walk after 100001 steps, including 4937 resets, run finished after 480 ms. (steps per millisecond=208 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 4952 resets, run finished after 415 ms. (steps per millisecond=240 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4864 resets, run finished after 504 ms. (steps per millisecond=198 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 5031 resets, run finished after 475 ms. (steps per millisecond=210 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4928 resets, run finished after 505 ms. (steps per millisecond=198 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 4957 resets, run finished after 501 ms. (steps per millisecond=199 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 5043 resets, run finished after 504 ms. (steps per millisecond=198 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 918 ms. (steps per millisecond=108 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 20000 resets, run finished after 915 ms. (steps per millisecond=109 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 10069 resets, run finished after 679 ms. (steps per millisecond=147 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 10232 resets, run finished after 687 ms. (steps per millisecond=145 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 10004 resets, run finished after 645 ms. (steps per millisecond=155 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100000 steps, including 10225 resets, run finished after 709 ms. (steps per millisecond=141 ) properties (out of 17) seen :0
Incomplete Best-First random walk after 100001 steps, including 10204 resets, run finished after 659 ms. (steps per millisecond=151 ) properties (out of 17) seen :2
Incomplete Best-First random walk after 100001 steps, including 10123 resets, run finished after 607 ms. (steps per millisecond=164 ) properties (out of 15) seen :2
Incomplete Best-First random walk after 100000 steps, including 10127 resets, run finished after 595 ms. (steps per millisecond=168 ) properties (out of 13) seen :0
Running SMT prover for 13 properties.
// Phase 1: matrix 103 rows 79 cols
[2023-03-21 15:36:52] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:36:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:36:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:36:52] [INFO ] After 260ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:13
[2023-03-21 15:36:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2023-03-21 15:36:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:36:53] [INFO ] After 137ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :13
[2023-03-21 15:36:53] [INFO ] State equation strengthened by 40 read => feed constraints.
[2023-03-21 15:36:53] [INFO ] After 86ms SMT Verify possible using 40 Read/Feed constraints in natural domain returned unsat :0 sat :13
[2023-03-21 15:36:53] [INFO ] After 232ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :13
Attempting to minimize the solution found.
Minimization took 101 ms.
[2023-03-21 15:36:53] [INFO ] After 539ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :13
Parikh walk visited 2 properties in 4004 ms.
Support contains 17 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 103/103 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 76 transition count 96
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 76 transition count 96
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 8 place count 74 transition count 94
Iterating global reduction 0 with 2 rules applied. Total rules applied 10 place count 74 transition count 94
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 11 place count 74 transition count 93
Applied a total of 11 rules in 10 ms. Remains 74 /79 variables (removed 5) and now considering 93/103 (removed 10) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 74/79 places, 93/103 transitions.
Incomplete random walk after 1000000 steps, including 228609 resets, run finished after 17673 ms. (steps per millisecond=56 ) properties (out of 11) seen :3
Interrupted Best-First random walk after 896142 steps, including 44355 resets, run timeout after 5001 ms. (steps per millisecond=179 ) properties seen 0
Interrupted Best-First random walk after 917958 steps, including 45261 resets, run timeout after 5001 ms. (steps per millisecond=183 ) properties seen 1
Interrupted Best-First random walk after 533759 steps, including 106751 resets, run timeout after 5001 ms. (steps per millisecond=106 ) properties seen 0
Interrupted Best-First random walk after 538320 steps, including 107664 resets, run timeout after 5001 ms. (steps per millisecond=107 ) properties seen 0
Interrupted Best-First random walk after 715679 steps, including 71979 resets, run timeout after 5001 ms. (steps per millisecond=143 ) properties seen 0
Interrupted Best-First random walk after 707184 steps, including 71648 resets, run timeout after 5001 ms. (steps per millisecond=141 ) properties seen 0
Interrupted Best-First random walk after 720274 steps, including 73190 resets, run timeout after 5001 ms. (steps per millisecond=144 ) properties seen 0
Running SMT prover for 7 properties.
// Phase 1: matrix 93 rows 74 cols
[2023-03-21 15:37:50] [INFO ] Computed 2 place invariants in 2 ms
[2023-03-21 15:37:50] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2023-03-21 15:37:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:37:50] [INFO ] After 115ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:7
[2023-03-21 15:37:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:37:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2023-03-21 15:37:50] [INFO ] After 55ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :7
[2023-03-21 15:37:50] [INFO ] State equation strengthened by 32 read => feed constraints.
[2023-03-21 15:37:50] [INFO ] After 42ms SMT Verify possible using 32 Read/Feed constraints in natural domain returned unsat :0 sat :7
[2023-03-21 15:37:50] [INFO ] After 102ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :7
Attempting to minimize the solution found.
Minimization took 41 ms.
[2023-03-21 15:37:50] [INFO ] After 251ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :7
Parikh walk visited 2 properties in 1669 ms.
Support contains 9 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 93/93 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 70 transition count 87
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 70 transition count 87
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 10 place count 68 transition count 85
Iterating global reduction 0 with 2 rules applied. Total rules applied 12 place count 68 transition count 85
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 67 transition count 83
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 67 transition count 83
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 15 place count 67 transition count 82
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 16 place count 66 transition count 81
Iterating global reduction 1 with 1 rules applied. Total rules applied 17 place count 66 transition count 81
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 18 place count 65 transition count 80
Iterating global reduction 1 with 1 rules applied. Total rules applied 19 place count 65 transition count 80
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 21 place count 65 transition count 78
Applied a total of 21 rules in 17 ms. Remains 65 /74 variables (removed 9) and now considering 78/93 (removed 15) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 65/74 places, 78/93 transitions.
Incomplete random walk after 1000000 steps, including 229083 resets, run finished after 9879 ms. (steps per millisecond=101 ) properties (out of 5) seen :2
Interrupted Best-First random walk after 950024 steps, including 190004 resets, run timeout after 5001 ms. (steps per millisecond=189 ) properties seen 0
Interrupted Best-First random walk after 947421 steps, including 189484 resets, run timeout after 5001 ms. (steps per millisecond=189 ) properties seen 0
Incomplete Best-First random walk after 1000000 steps, including 101531 resets, run finished after 4031 ms. (steps per millisecond=248 ) properties (out of 3) seen :0
Running SMT prover for 3 properties.
// Phase 1: matrix 78 rows 65 cols
[2023-03-21 15:38:16] [INFO ] Computed 2 place invariants in 1 ms
[2023-03-21 15:38:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:38:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2023-03-21 15:38:16] [INFO ] After 30ms SMT Verify possible using state equation in real domain returned unsat :0 sat :2 real:1
[2023-03-21 15:38:16] [INFO ] State equation strengthened by 25 read => feed constraints.
[2023-03-21 15:38:16] [INFO ] After 10ms SMT Verify possible using 25 Read/Feed constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-21 15:38:16] [INFO ] After 82ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2023-03-21 15:38:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2023-03-21 15:38:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2023-03-21 15:38:16] [INFO ] After 26ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
[2023-03-21 15:38:16] [INFO ] After 13ms SMT Verify possible using 25 Read/Feed constraints in natural domain returned unsat :0 sat :3
[2023-03-21 15:38:16] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
Attempting to minimize the solution found.
Minimization took 17 ms.
[2023-03-21 15:38:16] [INFO ] After 111ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Parikh walk visited 0 properties in 221 ms.
Support contains 5 out of 65 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 65/65 places, 78/78 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 64 transition count 77
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 64 transition count 77
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 63 transition count 76
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 63 transition count 76
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 62 transition count 73
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 62 transition count 73
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 61 transition count 72
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 61 transition count 72
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 60 transition count 71
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 60 transition count 71
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 69
Applied a total of 12 rules in 22 ms. Remains 60 /65 variables (removed 5) and now considering 69/78 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 60/65 places, 69/78 transitions.
Incomplete random walk after 1000000 steps, including 229197 resets, run finished after 7858 ms. (steps per millisecond=127 ) properties (out of 3) seen :0
Incomplete Best-First random walk after 1000000 steps, including 200000 resets, run finished after 4754 ms. (steps per millisecond=210 ) properties (out of 3) seen :0
Interrupted Best-First random walk after 941229 steps, including 188245 resets, run timeout after 5001 ms. (steps per millisecond=188 ) properties seen 0
Incomplete Best-First random walk after 1000001 steps, including 101451 resets, run finished after 4234 ms. (steps per millisecond=236 ) properties (out of 3) seen :0
Finished probabilistic random walk after 5148 steps, run visited all 3 properties in 30 ms. (steps per millisecond=171 )
Probabilistic random walk after 5148 steps, saw 2301 distinct states, run finished after 30 ms. (steps per millisecond=171 ) properties seen :3
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 144030 ms.
ITS solved all properties within timeout

BK_STOP 1679413119339

--------------------
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-d0m08"
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-d0m08, 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-167814495300132"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d0m08.tgz
mv DBSingleClientW-PT-d0m08 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 ;