About the Execution of LTSMin+red for DoubleLock-PT-p1s2
| Execution Summary | |||||
| Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
| 16195.867 | 967353.00 | 1120428.00 | 4161.60 | 1 1 1 1 1 1 1 1 1 0 1 ? 1 1 1 0 | normal |
Execution Chart
We display below the execution chart for this examination (boot time has been removed).
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r488-tall-171631133000597.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-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 2-5568
Executing tool ltsminxred
Input is DoubleLock-PT-p1s2, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-171631133000597
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 6.9K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 67K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 26K May 19 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 19K May 19 18:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 12 13:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 152K Apr 12 13:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.6K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 63K May 14 13:22 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 3.4M May 18 16:42 model.pnml
--------------------
content from stdout:
=== Data for post analysis generated by BenchKit (invocation template)
The expected result is a vector of positive values
NUM_VECTOR
here is the order used to build the result vector(from text file)
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s2-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717201147196
Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p1s2
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 00:19:08] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 00:19:08] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 00:19:08] [INFO ] Load time of PNML (sax parser for PT used): 319 ms
[2024-06-01 00:19:08] [INFO ] Transformed 570 places.
[2024-06-01 00:19:08] [INFO ] Transformed 7600 transitions.
[2024-06-01 00:19:08] [INFO ] Parsed PT model containing 570 places and 7600 transitions and 30784 arcs in 458 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Deduced a syphon composed of 132 places in 40 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s2-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s2-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:19:08] [INFO ] Flow matrix only has 5003 transitions (discarded 2341 similar events)
// Phase 1: matrix 5003 rows 438 cols
[2024-06-01 00:19:09] [INFO ] Computed 4 invariants in 97 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, +inf, 1, 1, 1]
RANDOM walk for 10002 steps (86 resets) in 96 ms. (103 steps per ms)
FORMULA DoubleLock-PT-p1s2-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-12 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-04 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 40002 steps (52 resets) in 133 ms. (298 steps per ms)
FORMULA DoubleLock-PT-p1s2-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL RANDOM_WALK
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 2] Max Struct:[1, 1, +inf]
[2024-06-01 00:19:09] [INFO ] Flow matrix only has 5003 transitions (discarded 2341 similar events)
[2024-06-01 00:19:09] [INFO ] Invariant cache hit.
[2024-06-01 00:19:09] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2024-06-01 00:19:09] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:19:10] [INFO ] [Real]Absence check using state equation in 722 ms returned sat
[2024-06-01 00:19:10] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:19:10] [INFO ] [Real]Added 400 Read/Feed constraints in 424 ms returned sat
[2024-06-01 00:19:10] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:19:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:19:11] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:19:11] [INFO ] [Nat]Absence check using state equation in 767 ms returned sat
[2024-06-01 00:19:12] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:19:13] [INFO ] [Nat]Added 400 Read/Feed constraints in 1539 ms returned unknown
[2024-06-01 00:19:13] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:19:13] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:19:14] [INFO ] [Real]Absence check using state equation in 847 ms returned sat
[2024-06-01 00:19:14] [INFO ] [Real]Added 400 Read/Feed constraints in 313 ms returned sat
[2024-06-01 00:19:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:19:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:19:14] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:19:15] [INFO ] [Nat]Absence check using state equation in 884 ms returned sat
[2024-06-01 00:19:16] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:19:16] [INFO ] [Nat]Added 400 Read/Feed constraints in 1076 ms returned unknown
[2024-06-01 00:19:16] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:19:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:19:17] [INFO ] [Real]Absence check using state equation in 777 ms returned sat
[2024-06-01 00:19:18] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:19:18] [INFO ] [Real]Added 400 Read/Feed constraints in 765 ms returned sat
[2024-06-01 00:19:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:19:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:19:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:19:19] [INFO ] [Nat]Absence check using state equation in 761 ms returned sat
[2024-06-01 00:19:20] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:19:20] [INFO ] [Nat]Added 400 Read/Feed constraints in 1064 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 2] Max Struct:[1, 1, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 2] Max Struct:[1, 1, +inf]
Support contains 3 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7344/7344 transitions.
Graph (complete) has 12357 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.17 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 64 transitions
Reduce isomorphic transitions removed 64 transitions.
Iterating post reduction 0 with 64 rules applied. Total rules applied 65 place count 434 transition count 7280
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 66 place count 433 transition count 7152
Iterating global reduction 1 with 1 rules applied. Total rules applied 67 place count 433 transition count 7152
Applied a total of 67 rules in 416 ms. Remains 433 /438 variables (removed 5) and now considering 7152/7344 (removed 192) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 433 ms. Remains : 433/438 places, 7152/7344 transitions.
[2024-06-01 00:19:21] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 131 resets, run finished after 176 ms. (steps per millisecond=56 ) properties (out of 3) seen :[0, 0, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 0, 2] Max Struct:[1, 1, +inf]
[2024-06-01 00:19:30] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
// Phase 1: matrix 4811 rows 433 cols
[2024-06-01 00:19:30] [INFO ] Computed 2 invariants in 55 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 2] Max Struct:[1, 1, +inf]
RANDOM walk for 1000000 steps (8683 resets) in 3694 ms. (270 steps per ms)
FORMULA DoubleLock-PT-p1s2-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s2-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 2000002 steps (2783 resets) in 1945 ms. (1027 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-06-01 00:19:35] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:19:35] [INFO ] Invariant cache hit.
[2024-06-01 00:19:35] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:19:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:19:36] [INFO ] [Real]Absence check using state equation in 876 ms returned sat
[2024-06-01 00:19:36] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:19:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:19:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:19:37] [INFO ] [Nat]Absence check using state equation in 913 ms returned sat
[2024-06-01 00:19:37] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:19:42] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:19:47] [INFO ] [Nat]Added 400 Read/Feed constraints in 9073 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 295 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 296 ms. Remains : 433/433 places, 7152/7152 transitions.
[2024-06-01 00:19:47] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 126 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-06-01 00:19:56] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:19:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (8689 resets) in 3525 ms. (283 steps per ms)
BEST_FIRST walk for 1000001 steps (1369 resets) in 970 ms. (1029 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-06-01 00:20:01] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:20:01] [INFO ] Invariant cache hit.
[2024-06-01 00:20:01] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:20:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2024-06-01 00:20:02] [INFO ] [Real]Absence check using state equation in 953 ms returned sat
[2024-06-01 00:20:02] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:20:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:20:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-06-01 00:20:03] [INFO ] [Nat]Absence check using state equation in 933 ms returned sat
[2024-06-01 00:20:03] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:20:07] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:20:12] [INFO ] [Nat]Added 400 Read/Feed constraints in 9057 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 246 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 246 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 176 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2024-06-01 00:20:12] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:20:12] [INFO ] Invariant cache hit.
[2024-06-01 00:20:13] [INFO ] Implicit Places using invariants in 478 ms returned []
[2024-06-01 00:20:13] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:20:13] [INFO ] Invariant cache hit.
[2024-06-01 00:20:14] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:20:49] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 34 seconds.
[2024-06-01 00:21:19] [INFO ] Performed 419/433 implicitness test of which 0 returned IMPLICIT in 65 seconds.
[2024-06-01 00:21:25] [INFO ] Implicit Places using invariants and state equation in 72324 ms returned []
Implicit Place search using SMT with State Equation took 72806 ms to find 0 implicit places.
[2024-06-01 00:21:26] [INFO ] Redundant transitions in 818 ms returned []
Running 7150 sub problems to find dead transitions.
[2024-06-01 00:21:26] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:21:26] [INFO ] Invariant cache hit.
[2024-06-01 00:21:26] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 61021ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 61126ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 134984 ms. Remains : 433/433 places, 7152/7152 transitions.
[2024-06-01 00:22:27] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 126 resets, run finished after 99 ms. (steps per millisecond=101 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-06-01 00:22:36] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:22:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000003 steps (8677 resets) in 3282 ms. (304 steps per ms)
BEST_FIRST walk for 1000001 steps (1369 resets) in 931 ms. (1072 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:22:40] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:22:40] [INFO ] Invariant cache hit.
[2024-06-01 00:22:40] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-06-01 00:22:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:22:41] [INFO ] [Real]Absence check using state equation in 955 ms returned sat
[2024-06-01 00:22:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:22:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:22:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:22:42] [INFO ] [Nat]Absence check using state equation in 976 ms returned sat
[2024-06-01 00:22:42] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:22:47] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:22:51] [INFO ] [Nat]Added 400 Read/Feed constraints in 9063 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 172 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 172 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 161 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2024-06-01 00:22:52] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:22:52] [INFO ] Invariant cache hit.
[2024-06-01 00:22:52] [INFO ] Implicit Places using invariants in 444 ms returned []
[2024-06-01 00:22:52] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:22:52] [INFO ] Invariant cache hit.
[2024-06-01 00:22:53] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:23:26] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2024-06-01 00:23:56] [INFO ] Performed 424/433 implicitness test of which 0 returned IMPLICIT in 62 seconds.
[2024-06-01 00:23:59] [INFO ] Implicit Places using invariants and state equation in 67356 ms returned []
Implicit Place search using SMT with State Equation took 67801 ms to find 0 implicit places.
[2024-06-01 00:24:00] [INFO ] Redundant transitions in 677 ms returned []
Running 7150 sub problems to find dead transitions.
[2024-06-01 00:24:00] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:24:00] [INFO ] Invariant cache hit.
[2024-06-01 00:24:00] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 60223ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 60292ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 128960 ms. Remains : 433/433 places, 7152/7152 transitions.
[2024-06-01 00:25:00] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 5 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 132 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:25:11] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:25:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000008 steps (8676 resets) in 3247 ms. (307 steps per ms)
BEST_FIRST walk for 1000001 steps (1382 resets) in 939 ms. (1063 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:25:15] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:25:15] [INFO ] Invariant cache hit.
[2024-06-01 00:25:15] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:25:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:25:16] [INFO ] [Real]Absence check using state equation in 958 ms returned sat
[2024-06-01 00:25:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:25:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-06-01 00:25:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-06-01 00:25:17] [INFO ] [Nat]Absence check using state equation in 979 ms returned sat
[2024-06-01 00:25:17] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:25:22] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:25:26] [INFO ] [Nat]Added 400 Read/Feed constraints in 9140 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 162 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 164 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 154 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2024-06-01 00:25:26] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:25:26] [INFO ] Invariant cache hit.
[2024-06-01 00:25:27] [INFO ] Implicit Places using invariants in 505 ms returned []
[2024-06-01 00:25:27] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:25:27] [INFO ] Invariant cache hit.
[2024-06-01 00:25:28] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:26:03] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 34 seconds.
[2024-06-01 00:26:33] [INFO ] Performed 399/433 implicitness test of which 0 returned IMPLICIT in 64 seconds.
[2024-06-01 00:26:48] [INFO ] Implicit Places using invariants and state equation in 81399 ms returned []
Implicit Place search using SMT with State Equation took 81920 ms to find 0 implicit places.
[2024-06-01 00:26:49] [INFO ] Redundant transitions in 562 ms returned []
Running 7150 sub problems to find dead transitions.
[2024-06-01 00:26:49] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:26:49] [INFO ] Invariant cache hit.
[2024-06-01 00:26:49] [INFO ] State equation strengthened by 400 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 59714ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 59775ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 142483 ms. Remains : 433/433 places, 7152/7152 transitions.
[2024-06-01 00:27:49] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 123 resets, run finished after 68 ms. (steps per millisecond=147 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40015 steps (344 resets) in 459 ms. (86 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (55 resets) in 150 ms. (264 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 184098 steps, run timeout after 3001 ms. (steps per millisecond=61 ) properties seen :0 out of 1
Probabilistic random walk after 184098 steps, saw 141468 distinct states, run finished after 3004 ms. (steps per millisecond=61 ) properties seen :0
[2024-06-01 00:28:02] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:28:02] [INFO ] Invariant cache hit.
[2024-06-01 00:28:02] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/5059 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 185/5244 variables, 173/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5244 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5244 variables, 270/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5244/5244 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1486 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5041 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 1/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5059 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5244/5244 variables, and 565 constraints, problems are : Problem set: 0 solved, 1 unsolved in 4021 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 130/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 5573ms problems are : Problem set: 0 solved, 1 unsolved
Skipping Parikh replay, no witness traces provided.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 176 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 177 ms. Remains : 433/433 places, 7152/7152 transitions.
RANDOM walk for 40005 steps (342 resets) in 216 ms. (184 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (50 resets) in 88 ms. (449 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 198956 steps, run timeout after 3001 ms. (steps per millisecond=66 ) properties seen :0 out of 1
Probabilistic random walk after 198956 steps, saw 152520 distinct states, run finished after 3001 ms. (steps per millisecond=66 ) properties seen :0
[2024-06-01 00:28:10] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:28:10] [INFO ] Invariant cache hit.
[2024-06-01 00:28:10] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 18/5059 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 0/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 185/5244 variables, 173/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5244 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5244 variables, 270/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5244 variables, 0/835 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5244/5244 variables, and 835 constraints, problems are : Problem set: 0 solved, 1 unsolved in 1536 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 193/194 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/194 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4847/5041 variables, 258/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/5041 variables, 130/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/5041 variables, 1/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/5041 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 18/5059 variables, 1/391 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/5059 variables, 1/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/5059 variables, 0/392 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5244/5244 variables, and 565 constraints, problems are : Problem set: 0 solved, 1 unsolved in 9167 ms.
Refiners :[Positive P Invariants (semi-flows): 0/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 433/433 constraints, ReadFeed: 130/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 10736ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 11 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 154 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 155 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 152 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2024-06-01 00:28:21] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:28:21] [INFO ] Invariant cache hit.
[2024-06-01 00:28:22] [INFO ] Implicit Places using invariants in 455 ms returned []
[2024-06-01 00:28:22] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:28:22] [INFO ] Invariant cache hit.
[2024-06-01 00:28:23] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:28:55] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2024-06-01 00:29:25] [INFO ] Performed 426/433 implicitness test of which 0 returned IMPLICIT in 61 seconds.
[2024-06-01 00:29:27] [INFO ] Implicit Places using invariants and state equation in 65327 ms returned []
Implicit Place search using SMT with State Equation took 65788 ms to find 0 implicit places.
[2024-06-01 00:29:28] [INFO ] Redundant transitions in 687 ms returned []
Running 7150 sub problems to find dead transitions.
[2024-06-01 00:29:28] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:29:28] [INFO ] Invariant cache hit.
[2024-06-01 00:29:28] [INFO ] State equation strengthened by 400 read => feed constraints.
Error getting values : (error "ParserException while parsing response: (timeout
org.smtlib.IParser$ParserException: Unbalanced parentheses at end of input")
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 64681ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 64744ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131406 ms. Remains : 433/433 places, 7152/7152 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Starting property specific reduction for DoubleLock-PT-p1s2-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:30:33] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:30:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (85 resets) in 36 ms. (270 steps per ms)
BEST_FIRST walk for 10000 steps (14 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-06-01 00:30:33] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:30:33] [INFO ] Invariant cache hit.
[2024-06-01 00:30:33] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:30:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:30:34] [INFO ] [Real]Absence check using state equation in 887 ms returned sat
[2024-06-01 00:30:34] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:30:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:30:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:30:35] [INFO ] [Nat]Absence check using state equation in 930 ms returned sat
[2024-06-01 00:30:35] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:30:35] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:30:36] [INFO ] [Nat]Added 400 Read/Feed constraints in 1096 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 182 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 185 ms. Remains : 433/433 places, 7152/7152 transitions.
[2024-06-01 00:30:36] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 4 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 122 resets, run finished after 81 ms. (steps per millisecond=123 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:30:45] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:30:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (8690 resets) in 3529 ms. (283 steps per ms)
BEST_FIRST walk for 1000001 steps (1357 resets) in 960 ms. (1040 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-06-01 00:30:50] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:30:50] [INFO ] Invariant cache hit.
[2024-06-01 00:30:50] [INFO ] [Real]Absence check using 1 positive place invariants in 6 ms returned sat
[2024-06-01 00:30:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:30:51] [INFO ] [Real]Absence check using state equation in 936 ms returned sat
[2024-06-01 00:30:51] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:30:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:30:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:30:52] [INFO ] [Nat]Absence check using state equation in 926 ms returned sat
[2024-06-01 00:30:52] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:30:56] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:31:01] [INFO ] [Nat]Added 400 Read/Feed constraints in 9188 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 169 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 170 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 151 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2024-06-01 00:31:01] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:31:01] [INFO ] Invariant cache hit.
[2024-06-01 00:31:02] [INFO ] Implicit Places using invariants in 517 ms returned []
[2024-06-01 00:31:02] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:31:02] [INFO ] Invariant cache hit.
[2024-06-01 00:31:03] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:31:36] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 32 seconds.
[2024-06-01 00:32:06] [INFO ] Performed 423/433 implicitness test of which 0 returned IMPLICIT in 62 seconds.
[2024-06-01 00:32:10] [INFO ] Implicit Places using invariants and state equation in 68075 ms returned []
Implicit Place search using SMT with State Equation took 68593 ms to find 0 implicit places.
[2024-06-01 00:32:10] [INFO ] Redundant transitions in 510 ms returned []
Running 7150 sub problems to find dead transitions.
[2024-06-01 00:32:10] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:32:10] [INFO ] Invariant cache hit.
[2024-06-01 00:32:10] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 7150 unsolved
SMT process timed out in 62425ms, After SMT, problems are : Problem set: 0 solved, 7150 unsolved
Search for dead transitions found 0 dead transitions in 62484ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 131778 ms. Remains : 433/433 places, 7152/7152 transitions.
[2024-06-01 00:33:13] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {16=2, 23=1, 40=1, 2890=1, 2891=1, 4565=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {23=1, 40=1, 2903=1, 3121=1, 4579=1, 4798=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 127 resets, run finished after 70 ms. (steps per millisecond=142 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-06-01 00:33:22] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:33:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (8638 resets) in 4164 ms. (240 steps per ms)
BEST_FIRST walk for 1000001 steps (1354 resets) in 1115 ms. (896 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-06-01 00:33:27] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:33:27] [INFO ] Invariant cache hit.
[2024-06-01 00:33:27] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:33:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:33:28] [INFO ] [Real]Absence check using state equation in 974 ms returned sat
[2024-06-01 00:33:28] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:33:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-06-01 00:33:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:33:29] [INFO ] [Nat]Absence check using state equation in 1013 ms returned sat
[2024-06-01 00:33:29] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:33:34] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:33:38] [INFO ] [Nat]Added 400 Read/Feed constraints in 9069 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 161 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 161 ms. Remains : 433/433 places, 7152/7152 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7152/7152 transitions.
Applied a total of 0 rules in 154 ms. Remains 433 /433 variables (removed 0) and now considering 7152/7152 (removed 0) transitions.
[2024-06-01 00:33:39] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:33:39] [INFO ] Invariant cache hit.
[2024-06-01 00:33:39] [INFO ] Implicit Places using invariants in 460 ms returned []
[2024-06-01 00:33:39] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:33:39] [INFO ] Invariant cache hit.
[2024-06-01 00:33:40] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:34:13] [INFO ] Performed 28/433 implicitness test of which 0 returned IMPLICIT in 33 seconds.
[2024-06-01 00:34:44] [INFO ] Performed 422/433 implicitness test of which 0 returned IMPLICIT in 63 seconds.
[2024-06-01 00:34:48] [INFO ] Implicit Places using invariants and state equation in 69085 ms returned []
Implicit Place search using SMT with State Equation took 69549 ms to find 0 implicit places.
[2024-06-01 00:34:49] [INFO ] Redundant transitions in 515 ms returned []
Running 7150 sub problems to find dead transitions.
[2024-06-01 00:34:49] [INFO ] Flow matrix only has 4811 transitions (discarded 2341 similar events)
[2024-06-01 00:34:49] [INFO ] Invariant cache hit.
[2024-06-01 00:34:49] [INFO ] State equation strengthened by 400 read => feed constraints.
Usage: pnml2lts-sym [-gvqh] [--order=
[--mu-opt] [--saturation=
[--sat-granularity=
[--guidance=
[--action=
[--trace=
[--mu=
[--ctl=
[--save-levels=STRING] [--pg-solve] [--attr=
[--saturating-attractor] [--write-strategy=
[--check-strategy] [--interactive-play] [--player]
[--pg-write=
[--edge-label=
[--mucalc=
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por=
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=
[--cw-max-cols=
[--mh-timeout=
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=
[--ldd32-cache=
[--cache-ratio=
[--min-free-nodes=
[--fdd-reorder=
[--vset-cache-diff=
[--next-union] [--peak-nodes] [--maxsum=
[--block-size=
[--debug=
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS]
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-00
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-01
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-02
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-03
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-04
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-05
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-06
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-07
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-08
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-09
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-10
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-11
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-12
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-13
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-14
Could not compute solution for formula : DoubleLock-PT-p1s2-UpperBounds-15
BK_STOP 1717202114549
--------------------
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 UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name DoubleLock-PT-p1s2-UpperBounds-00
ub formula formula --maxsum=/tmp/725/ub_0_
ub formula name DoubleLock-PT-p1s2-UpperBounds-01
ub formula formula --maxsum=/tmp/725/ub_1_
ub formula name DoubleLock-PT-p1s2-UpperBounds-02
ub formula formula --maxsum=/tmp/725/ub_2_
ub formula name DoubleLock-PT-p1s2-UpperBounds-03
ub formula formula --maxsum=/tmp/725/ub_3_
ub formula name DoubleLock-PT-p1s2-UpperBounds-04
ub formula formula --maxsum=/tmp/725/ub_4_
ub formula name DoubleLock-PT-p1s2-UpperBounds-05
ub formula formula --maxsum=/tmp/725/ub_5_
ub formula name DoubleLock-PT-p1s2-UpperBounds-06
ub formula formula --maxsum=/tmp/725/ub_6_
ub formula name DoubleLock-PT-p1s2-UpperBounds-07
ub formula formula --maxsum=/tmp/725/ub_7_
ub formula name DoubleLock-PT-p1s2-UpperBounds-08
ub formula formula --maxsum=/tmp/725/ub_8_
ub formula name DoubleLock-PT-p1s2-UpperBounds-09
ub formula formula --maxsum=/tmp/725/ub_9_
ub formula name DoubleLock-PT-p1s2-UpperBounds-10
ub formula formula --maxsum=/tmp/725/ub_10_
ub formula name DoubleLock-PT-p1s2-UpperBounds-11
ub formula formula --maxsum=/tmp/725/ub_11_
ub formula name DoubleLock-PT-p1s2-UpperBounds-12
ub formula formula --maxsum=/tmp/725/ub_12_
ub formula name DoubleLock-PT-p1s2-UpperBounds-13
ub formula formula --maxsum=/tmp/725/ub_13_
ub formula name DoubleLock-PT-p1s2-UpperBounds-14
ub formula formula --maxsum=/tmp/725/ub_14_
ub formula name DoubleLock-PT-p1s2-UpperBounds-15
ub formula formula --maxsum=/tmp/725/ub_15_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc
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="DoubleLock-PT-p1s2"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
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 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DoubleLock-PT-p1s2, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r488-tall-171631133000597"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s2.tgz
mv DoubleLock-PT-p1s2 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "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 [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "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 "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.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 '
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
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 ;