Execution Chart

We display below the execution chart for this examination (boot time has been removed).

Trace from the execution

Formatting '/data/fkordon/mcc2025-input.r070-smll-174854076200077.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2025-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
=====================================================================
Generated by BenchKit 2-5832
Executing tool gold2024
Input is DBSingleClientW-PT-d2m05, examination is QuasiLiveness
Time confinement is 1800 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r070-smll-174854076200077
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 2.0M
-rw-r--r-- 1 mcc users 7.8K May 29 14:47 CTLCardinality.txt
-rw-r--r-- 1 mcc users 85K May 29 14:47 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.1K May 29 14:47 CTLFireability.txt
-rw-r--r-- 1 mcc users 56K May 29 14:47 CTLFireability.xml
-rw-r--r-- 1 mcc users 4.0K May 29 14:47 LTLCardinality.txt
-rw-r--r-- 1 mcc users 30K May 29 14:47 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.4K May 29 14:47 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 29 14:47 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K May 29 14:47 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 106K May 29 14:47 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 29 14:47 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 61K May 29 14:47 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.7K May 29 14:47 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 29 14:47 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 29 14:32 equiv_col
-rw-r--r-- 1 mcc users 6 May 29 14:32 instance
-rw-r--r-- 1 mcc users 6 May 29 14:32 iscolored
-rw-r--r-- 1 mcc users 1.6M May 29 14:32 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 1748646196913

Invoking MCC driver with
BK_TOOL=gold2024
BK_EXAMINATION=QuasiLiveness
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=1800
BK_INPUT=DBSingleClientW-PT-d2m05
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2025-05-30 23:03:19] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, QuasiLiveness, -timeout, 180, -rebuildPNML]
[2025-05-30 23:03:19] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2025-05-30 23:03:20] [INFO ] Load time of PNML (sax parser for PT used): 634 ms
[2025-05-30 23:03:20] [INFO ] Transformed 4763 places.
[2025-05-30 23:03:20] [INFO ] Transformed 2478 transitions.
[2025-05-30 23:03:20] [INFO ] Parsed PT model containing 4763 places and 2478 transitions and 9912 arcs in 908 ms.
Starting structural reductions in LIVENESS mode, iteration 0 : 4763/4763 places, 2478/2478 transitions.
Reduce places removed 3626 places and 0 transitions.
Ensure Unique test removed 199 transitions
Reduce isomorphic transitions removed 199 transitions.
Iterating post reduction 0 with 3825 rules applied. Total rules applied 3825 place count 1137 transition count 2279
Applied a total of 3825 rules in 145 ms. Remains 1137 /4763 variables (removed 3626) and now considering 2279/2478 (removed 199) transitions.
// Phase 1: matrix 2279 rows 1137 cols
[2025-05-30 23:03:21] [INFO ] Computed 2 invariants in 97 ms
[2025-05-30 23:03:23] [INFO ] Implicit Places using invariants in 2959 ms returned []
[2025-05-30 23:03:23] [INFO ] Invariant cache hit.
[2025-05-30 23:03:25] [INFO ] State equation strengthened by 1389 read => feed constraints.
[2025-05-30 23:03:50] [INFO ] Implicit Places using invariants and state equation in 26354 ms returned []
Implicit Place search using SMT with State Equation took 29380 ms to find 0 implicit places.
Running 2278 sub problems to find dead transitions.
[2025-05-30 23:03:50] [INFO ] Invariant cache hit.
[2025-05-30 23:03:50] [INFO ] State equation strengthened by 1389 read => feed constraints.
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 1136/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 2278 unsolved in 30099 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 2278/2270 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 2278 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 1136/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 2278 unsolved in 30050 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 8/2270 constraints, Known Traps: 0/0 constraints]
After SMT, in 96762ms problems are : Problem set: 0 solved, 2278 unsolved
Search for dead transitions found 0 dead transitions in 96828ms
Starting structural reductions in LIVENESS mode, iteration 1 : 1137/4763 places, 2279/2478 transitions.
Finished structural reductions in LIVENESS mode , in 1 iterations and 126426 ms. Remains : 1137/4763 places, 2279/2478 transitions.
Discarding 1145 transitions out of 2279. Remains 1134
Initial state reduction rules removed 1 formulas.
RANDOM walk for 40000 steps (9187 resets) in 7975 ms. (5 steps per ms) remains 1046/1133 properties
BEST_FIRST walk for 123 steps (9 resets) in 24 ms. (4 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 124 steps (9 resets) in 17 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (11 resets) in 16 ms. (7 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 27 ms. (4 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 25 ms. (4 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (10 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 21 ms. (5 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 15 ms. (7 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (11 resets) in 15 ms. (7 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (11 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 21 ms. (5 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (11 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (10 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (10 resets) in 14 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 15 ms. (7 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (12 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 14 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 19 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (11 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (11 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (11 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (11 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 120 steps (12 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 120 steps (12 resets) in 22 ms. (5 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (11 resets) in 16 ms. (7 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 19 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (11 resets) in 17 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (10 resets) in 14 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (10 resets) in 18 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (12 resets) in 17 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 124 steps (10 resets) in 18 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (10 resets) in 17 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (11 resets) in 14 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (12 resets) in 17 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (11 resets) in 17 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (9 resets) in 17 ms. (6 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (11 resets) in 12 ms. (9 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 122 steps (10 resets) in 14 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (11 resets) in 13 ms. (8 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 121 steps (11 resets) in 12 ms. (9 steps per ms) remains 1046/1046 properties
BEST_FIRST walk for 123 steps (10 resets) in 11 ms. (10 steps per ms) remains 1046/1046 properties
Probabilistic random walk after 30001 steps, saw 13913 distinct states, run finished after 2026 ms. (steps per millisecond=14 ) properties seen :323
[2025-05-30 23:05:32] [INFO ] Invariant cache hit.
[2025-05-30 23:05:32] [INFO ] State equation strengthened by 1389 read => feed constraints.
Error getting values : (error "ParserException while parsing response: ((s1 1.0)
(s2 1.0)
(s5 1.0)
(s8 1.0)
(s9 1.0)
(s10 1.0)
(s11 1.0)
(s12 1.0)
(s13 1.0)
(s14 1.0)
(s15 1.0)
(s16 1.0)
(s17 1.0)
(s18 1.0)
(s19 1.0)
(s20 1.0)
(s21 1.0)
(s22 1.0)
(s23 1.0)
(s24 1.0)
(s25 1.0)
(s26 1.0)
(s27 1.0)
(s28 1.0)
(s29 1.0)
(s30 1.0)
(s31 1.0)
(s32 1.0)
(s33 1.0)
(s34 1.0)
(s35 1.0)
(s36 1.0)
(s37 1.0)
(s38 1.0)
(s39 1.0)
(s40 1.0)
(s41 1.0)
(s42 1.0)
(s43 1.0)
(s44 1.0)
(s45 1.0)
(s46 1.0)
(s47 1.0)
(s48 1.0)
(s49 1.0)
(s50 1.0)
(s51 1.0)
(s52 1.0)
(s53 1.0)
(s54 1.0)
(s55 1.0)
(s56 1.0)
(s57 1.0)
(s58 1.0)
(s59 1.0)
(s60 1.0)
(s61 1.0)
(s62 1.0)
(s63 1.0)
(s64 1.0)
(s65 1.0)
(s66 1.0)
(s67 1.0)
(s68 1.0)
(s69 1.0)
(s70 1.0)
(s71 1.0)
(s72 1.0)
(s73 1.0)
(s74 1.0)
(s75 1.0)
(s76 1.0)
(s77 1.0)
(s78 1.0)
(s79 1.0)
(s80 1.0)
(s81 1.0)
(s86 1.0)
(s89 1.0)
(s90 1.0)
(s91 1.0)
(s92 1.0)
(s93 1.0)
(s94 1.0)
(s95 1.0)
(s96 1.0)
(s97 1.0)
(s98 1.0)
(s99 1.0)
(s100 1.0)
(s101 1.0)
(s102 1.0)
(s103 1.0)
(s104 1.0)
(s105 1.0)
(s106 1.0)
(s107 1.0)
(s108 1.0)
(s109 1.0)
(s110 1.0)
(s111 1.0)
(s112 1.0)
(s113 1.0)
(s114 1.0)
(s115 1.0)
(s116 1.0)
(s117 1.0)
(s118 1.0)
(s119 1.0)
(s120 1.0)
(s121 1.0)
(s122 1.0)
(s123 1.0)
(s124 1.0)
(s125 1.0)
(s126 1.0)
(s127 1.0)
(s128 1.0)
(s129 1.0)
(s130 1.0)
(s131 1.0)
(s132 1.0)
(s133 1.0)
(s134 1.0)
(s135 1.0)
(s136 1.0)
(s137 1.0)
(s138 1.0)
(s139 1.0)
(s140 1.0)
(s141 1.0)
(s142 1.0)
(s143 1.0)
(s144 1.0)
(s145 1.0)
(s146 1.0)
(s147 1.0)
(s148 1.0)
(s149 1.0)
(s150 1.0)
(s151 1.0)
(s152 1.0)
(s153 1.0)
(s154 1.0)
(s155 1.0)
(s156 1.0)
(s157 1.0)
(s158 1.0)
(s159 1.0)
(s160 1.0)
(s161 1.0)
(s162 1.0)
(s170 1.0)
(s171 1.0)
(s172 1.0)
(s173 1.0)
(s174 1.0)
(s175 1.0)
(s176 1.0)
(s177 1.0)
(s178 1.0)
(s179 1.0)
(s180 1.0)
(s181 1.0)
(s182 1.0)
(s183 1.0)
(s184 1.0)
(s185 1.0)
(s186 1.0)
(s187 1.0)
(s188 1.0)
(s189 1.0)
(s190 1.0)
(s191 1.0)
(s192 1.0)
(s193 1.0)
(s194 1.0)
(s195 1.0)
(s196 1.0)
(s197 1.0)
(s198 1.0)
(s199 1.0)
(s200 1.0)
(s201 1.0)
(s202 1.0)
(s203 1.0)
(s204 1.0)
(s205 1.0)
(s206 1.0)
(s207 1.0)
(s208 1.0)
(s209 1.0)
(s210 1.0)
(s212 1.0)
(s213 1.0)
(s214 1.0)
(s215 timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 742/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 723 unsolved in 5025 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 723/723 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 723 unsolved
Error getting values : (error "Error writing to Z3 solver: java.io.IOException: Broken pipe")
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 742/3416 variables, and 0 constraints, problems are : Problem set: 0 solved, 723 unsolved in 5020 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 0/1 constraints, State Equation: 0/1137 constraints, ReadFeed: 0/1389 constraints, PredecessorRefiner: 0/723 constraints, Known Traps: 0/0 constraints]
After SMT, in 16930ms problems are : Problem set: 0 solved, 723 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 742 out of 1137 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1137/1137 places, 2279/2279 transitions.
Discarding 61 places :
Symmetric choice reduction at 0 with 61 rule applications. Total rules 61 place count 1076 transition count 2080
Iterating global reduction 0 with 61 rules applied. Total rules applied 122 place count 1076 transition count 2080
Ensure Unique test removed 18 transitions
Reduce isomorphic transitions removed 18 transitions.
Iterating post reduction 0 with 18 rules applied. Total rules applied 140 place count 1076 transition count 2062
Discarding 41 places :
Symmetric choice reduction at 1 with 41 rule applications. Total rules 181 place count 1035 transition count 2021
Iterating global reduction 1 with 41 rules applied. Total rules applied 222 place count 1035 transition count 2021
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 249 place count 1008 transition count 1987
Iterating global reduction 1 with 27 rules applied. Total rules applied 276 place count 1008 transition count 1987
Ensure Unique test removed 21 transitions
Reduce isomorphic transitions removed 21 transitions.
Iterating post reduction 1 with 21 rules applied. Total rules applied 297 place count 1008 transition count 1966
Applied a total of 297 rules in 555 ms. Remains 1008 /1137 variables (removed 129) and now considering 1966/2279 (removed 313) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 555 ms. Remains : 1008/1137 places, 1966/2279 transitions.
RANDOM walk for 1884434 steps (432015 resets) in 120004 ms. (15 steps per ms) remains 708/723 properties
BEST_FIRST walk for 4003 steps (188 resets) in 150 ms. (26 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (181 resets) in 73 ms. (54 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (184 resets) in 73 ms. (54 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (177 resets) in 71 ms. (55 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (202 resets) in 78 ms. (50 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (158 resets) in 72 ms. (54 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (189 resets) in 76 ms. (52 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (186 resets) in 78 ms. (50 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (168 resets) in 70 ms. (56 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (179 resets) in 71 ms. (55 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (181 resets) in 74 ms. (53 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (179 resets) in 73 ms. (54 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4001 steps (189 resets) in 122 ms. (32 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (177 resets) in 85 ms. (46 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (144 resets) in 87 ms. (45 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (188 resets) in 97 ms. (40 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4001 steps (165 resets) in 90 ms. (43 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (178 resets) in 165 ms. (24 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (175 resets) in 154 ms. (25 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (169 resets) in 146 ms. (27 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (186 resets) in 167 ms. (23 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (165 resets) in 126 ms. (31 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (159 resets) in 140 ms. (28 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (176 resets) in 143 ms. (27 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (175 resets) in 157 ms. (25 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (176 resets) in 165 ms. (24 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (177 resets) in 167 ms. (23 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (189 resets) in 136 ms. (29 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (187 resets) in 155 ms. (25 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (165 resets) in 133 ms. (29 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4001 steps (206 resets) in 153 ms. (25 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (187 resets) in 148 ms. (26 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (185 resets) in 141 ms. (28 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (165 resets) in 140 ms. (28 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (154 resets) in 118 ms. (33 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (177 resets) in 110 ms. (36 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (176 resets) in 94 ms. (42 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (174 resets) in 98 ms. (40 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (170 resets) in 100 ms. (39 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (192 resets) in 112 ms. (35 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (169 resets) in 116 ms. (34 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4004 steps (186 resets) in 113 ms. (35 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (180 resets) in 108 ms. (36 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4001 steps (177 resets) in 104 ms. (38 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (178 resets) in 113 ms. (35 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (167 resets) in 100 ms. (39 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4001 steps (166 resets) in 99 ms. (40 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4003 steps (171 resets) in 133 ms. (29 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (182 resets) in 156 ms. (25 steps per ms) remains 708/708 properties
BEST_FIRST walk for 4002 steps (166 resets) in 144 ms. (27 steps per ms) remains 708/708 properties
Probabilistic random walk after 1000001 steps, saw 395653 distinct states, run finished after 22504 ms. (steps per millisecond=44 ) properties seen :602
// Phase 1: matrix 1966 rows 1008 cols
[2025-05-30 23:06:44] [INFO ] Computed 2 invariants in 27 ms
[2025-05-30 23:06:44] [INFO ] State equation strengthened by 1160 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/114 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 1 (OVERLAPS) 334/448 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/448 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 3 (OVERLAPS) 240/688 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 106 unsolved
[2025-05-30 23:06:52] [INFO ] Deduced a trap composed of 283 places in 741 ms of which 98 ms to minimize.
[2025-05-30 23:06:53] [INFO ] Deduced a trap composed of 327 places in 872 ms of which 20 ms to minimize.
[2025-05-30 23:06:54] [INFO ] Deduced a trap composed of 328 places in 792 ms of which 10 ms to minimize.
[2025-05-30 23:06:54] [INFO ] Deduced a trap composed of 328 places in 783 ms of which 10 ms to minimize.
[2025-05-30 23:06:55] [INFO ] Deduced a trap composed of 327 places in 807 ms of which 10 ms to minimize.
[2025-05-30 23:06:56] [INFO ] Deduced a trap composed of 327 places in 723 ms of which 9 ms to minimize.
[2025-05-30 23:06:57] [INFO ] Deduced a trap composed of 327 places in 807 ms of which 11 ms to minimize.
At refinement iteration 4 (INCLUDED_ONLY) 0/688 variables, 7/9 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/688 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 6 (OVERLAPS) 1070/1758 variables, 688/697 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/1758 variables, 264/961 constraints. Problems are: Problem set: 0 solved, 106 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/1758 variables, 0/961 constraints. Problems are: Problem set: 0 solved, 106 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 1166/2924 variables, 295/1256 constraints. Problems are: Problem set: 0 solved, 106 unsolved
SMT process timed out in 45902ms, After SMT, problems are : Problem set: 0 solved, 106 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 114 out of 1008 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 1008/1008 places, 1966/1966 transitions.
Graph (complete) has 3634 edges and 1008 vertex of which 1007 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.6 ms
Discarding 1 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 1007 transition count 1949
Discarding 281 places :
Symmetric choice reduction at 1 with 281 rule applications. Total rules 299 place count 726 transition count 1170
Iterating global reduction 1 with 281 rules applied. Total rules applied 580 place count 726 transition count 1170
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 588 place count 726 transition count 1162
Discarding 226 places :
Symmetric choice reduction at 2 with 226 rule applications. Total rules 814 place count 500 transition count 936
Iterating global reduction 2 with 226 rules applied. Total rules applied 1040 place count 500 transition count 936
Ensure Unique test removed 12 transitions
Reduce isomorphic transitions removed 12 transitions.
Iterating post reduction 2 with 12 rules applied. Total rules applied 1052 place count 500 transition count 924
Discarding 177 places :
Symmetric choice reduction at 3 with 177 rule applications. Total rules 1229 place count 323 transition count 672
Iterating global reduction 3 with 177 rules applied. Total rules applied 1406 place count 323 transition count 672
Ensure Unique test removed 168 transitions
Reduce isomorphic transitions removed 168 transitions.
Iterating post reduction 3 with 168 rules applied. Total rules applied 1574 place count 323 transition count 504
Discarding 20 places :
Symmetric choice reduction at 4 with 20 rule applications. Total rules 1594 place count 303 transition count 473
Iterating global reduction 4 with 20 rules applied. Total rules applied 1614 place count 303 transition count 473
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 4 with 6 rules applied. Total rules applied 1620 place count 303 transition count 467
Discarding 12 places :
Symmetric choice reduction at 5 with 12 rule applications. Total rules 1632 place count 291 transition count 455
Iterating global reduction 5 with 12 rules applied. Total rules applied 1644 place count 291 transition count 455
Ensure Unique test removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 5 with 1 rules applied. Total rules applied 1645 place count 291 transition count 454
Discarding 11 places :
Symmetric choice reduction at 6 with 11 rule applications. Total rules 1656 place count 280 transition count 443
Iterating global reduction 6 with 11 rules applied. Total rules applied 1667 place count 280 transition count 443
Ensure Unique test removed 13 transitions
Reduce isomorphic transitions removed 13 transitions.
Iterating post reduction 6 with 13 rules applied. Total rules applied 1680 place count 280 transition count 430
Discarding 4 places :
Symmetric choice reduction at 7 with 4 rule applications. Total rules 1684 place count 276 transition count 404
Iterating global reduction 7 with 4 rules applied. Total rules applied 1688 place count 276 transition count 404
Applied a total of 1688 rules in 328 ms. Remains 276 /1008 variables (removed 732) and now considering 404/1966 (removed 1562) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 330 ms. Remains : 276/1008 places, 404/1966 transitions.
RANDOM walk for 4000000 steps (919019 resets) in 49948 ms. (80 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1824 resets) in 136 ms. (292 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1774 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1828 resets) in 135 ms. (294 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1778 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1764 resets) in 132 ms. (300 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1785 resets) in 132 ms. (300 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1755 resets) in 130 ms. (305 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1768 resets) in 135 ms. (294 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1775 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1824 resets) in 132 ms. (300 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1715 resets) in 131 ms. (303 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1827 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1793 resets) in 131 ms. (303 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1776 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1748 resets) in 156 ms. (254 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1873 resets) in 194 ms. (205 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1776 resets) in 192 ms. (207 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1751 resets) in 190 ms. (209 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1801 resets) in 199 ms. (200 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1766 resets) in 190 ms. (209 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1843 resets) in 196 ms. (203 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1807 resets) in 191 ms. (208 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1750 resets) in 193 ms. (206 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1861 resets) in 175 ms. (227 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40001 steps (1821 resets) in 138 ms. (287 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1790 resets) in 131 ms. (303 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40004 steps (1783 resets) in 136 ms. (292 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1815 resets) in 136 ms. (291 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1779 resets) in 132 ms. (300 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1787 resets) in 134 ms. (296 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1781 resets) in 131 ms. (303 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1801 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1790 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1776 resets) in 132 ms. (300 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1836 resets) in 135 ms. (294 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1839 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1846 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1815 resets) in 143 ms. (277 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1763 resets) in 190 ms. (209 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1825 resets) in 198 ms. (201 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1798 resets) in 192 ms. (207 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1807 resets) in 219 ms. (181 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1803 resets) in 193 ms. (206 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1721 resets) in 192 ms. (207 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1758 resets) in 191 ms. (208 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1774 resets) in 191 ms. (208 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1754 resets) in 177 ms. (224 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1766 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40003 steps (1832 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
BEST_FIRST walk for 40002 steps (1788 resets) in 133 ms. (298 steps per ms) remains 106/106 properties
Finished probabilistic random walk after 342199 steps, run visited all 106 properties in 4611 ms. (steps per millisecond=74 )
Probabilistic random walk after 342199 steps, saw 138246 distinct states, run finished after 4621 ms. (steps per millisecond=74 ) properties seen :106
Able to resolve query QuasiLiveness after proving 1134 properties.
FORMULA QuasiLiveness TRUE TECHNIQUES RANDOM_WALK PROBABILISTIC_WALK TOPOLOGICAL INITIAL_STATE
Total runtime 271171 ms.
ITS solved all properties within timeout

BK_STOP 1748646471085

--------------------
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_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /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-d2m05"
export BK_EXAMINATION="QuasiLiveness"
export BK_TOOL="gold2024"
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 2-5832"
echo " Executing tool gold2024"
echo " Input is DBSingleClientW-PT-d2m05, 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 r070-smll-174854076200077"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DBSingleClientW-PT-d2m05.tgz
mv DBSingleClientW-PT-d2m05 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.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 ;