About the Execution of LTSMin+red for DoubleLock-PT-p1s3
Execution Summary | |||||
Max Memory Used (MB) |
Time wait (ms) | CPU Usage (ms) | I/O Wait (ms) | Computed Result | Execution Status |
0.000 | 779130.00 | 0.00 | 0.00 | 1 1 1 1 10 1 1 1 1 1 0 1 ? 0 1 1 | normal |
Execution Chart
Sorry, for this execution, no execution chart could be reported.
Trace from the execution
Formatting '/data/fkordon/mcc2024-input.r488-tall-171631133000605.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)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DoubleLock-PT-p1s3, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-171631133000605
=====================================================================
--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.8M
-rw-r--r-- 1 mcc users 8.2K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 95K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.8K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 40K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.0K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 19K May 19 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:17 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:16 LTLFireability.xml
-rw-r--r-- 1 mcc users 11K Apr 12 13:39 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 118K Apr 12 13:39 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 10K May 14 13:22 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 89K 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-p1s3-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p1s3-UpperBounds-15
=== Now, execution of the tool begins
BK_START 1717201480270
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-p1s3
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 00:24:41] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 00:24:41] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 00:24:41] [INFO ] Load time of PNML (sax parser for PT used): 312 ms
[2024-06-01 00:24:41] [INFO ] Transformed 570 places.
[2024-06-01 00:24:41] [INFO ] Transformed 7568 transitions.
[2024-06-01 00:24:41] [INFO ] Parsed PT model containing 570 places and 7568 transitions and 30656 arcs in 450 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 132 places in 39 ms
Reduce places removed 132 places and 256 transitions.
FORMULA DoubleLock-PT-p1s3-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-13 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 00:24:41] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
// Phase 1: matrix 4971 rows 438 cols
[2024-06-01 00:24:42] [INFO ] Computed 4 invariants in 94 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, 10, 1, 1, 1, 1, 1, 1, +inf, 1, 1]
RANDOM walk for 10000 steps (93 resets) in 96 ms. (103 steps per ms)
FORMULA DoubleLock-PT-p1s3-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-07 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-04 10 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-15 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 60006 steps (84 resets) in 195 ms. (306 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 0, 0, 0, 2, 0] Max Struct:[1, 1, 1, 1, +inf, 1]
[2024-06-01 00:24:42] [INFO ] Flow matrix only has 4971 transitions (discarded 2341 similar events)
[2024-06-01 00:24:42] [INFO ] Invariant cache hit.
[2024-06-01 00:24:42] [INFO ] [Real]Absence check using 3 positive place invariants in 17 ms returned sat
[2024-06-01 00:24:42] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:24:43] [INFO ] [Real]Absence check using state equation in 865 ms returned sat
[2024-06-01 00:24:43] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:24:44] [INFO ] [Real]Added 400 Read/Feed constraints in 356 ms returned sat
[2024-06-01 00:24:44] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:24:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:44] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:24:45] [INFO ] [Nat]Absence check using state equation in 836 ms returned sat
[2024-06-01 00:24:45] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:24:46] [INFO ] [Nat]Added 400 Read/Feed constraints in 1068 ms returned unknown
[2024-06-01 00:24:46] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:24:47] [INFO ] [Real]Absence check using state equation in 852 ms returned sat
[2024-06-01 00:24:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:24:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:24:48] [INFO ] [Nat]Absence check using state equation in 859 ms returned sat
[2024-06-01 00:24:48] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:24:49] [INFO ] [Nat]Added 400 Read/Feed constraints in 1059 ms returned unknown
[2024-06-01 00:24:49] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:24:50] [INFO ] [Real]Absence check using state equation in 807 ms returned sat
[2024-06-01 00:24:50] [INFO ] [Real]Added 400 Read/Feed constraints in 362 ms returned sat
[2024-06-01 00:24:50] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:24:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:24:51] [INFO ] [Nat]Absence check using state equation in 781 ms returned sat
[2024-06-01 00:24:52] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:24:52] [INFO ] [Nat]Added 400 Read/Feed constraints in 1070 ms returned unknown
[2024-06-01 00:24:52] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:24:53] [INFO ] [Real]Absence check using state equation in 984 ms returned sat
[2024-06-01 00:24:53] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:24:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 7 ms returned sat
[2024-06-01 00:24:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:24:54] [INFO ] [Nat]Absence check using state equation in 854 ms returned sat
[2024-06-01 00:24:55] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:24:55] [INFO ] [Nat]Added 400 Read/Feed constraints in 1061 ms returned unknown
[2024-06-01 00:24:55] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:55] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:24:56] [INFO ] [Real]Absence check using state equation in 722 ms returned sat
[2024-06-01 00:24:57] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:24:57] [INFO ] [Real]Added 400 Read/Feed constraints in 623 ms returned sat
[2024-06-01 00:24:57] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:24:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 00:24:57] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:24:58] [INFO ] [Nat]Absence check using state equation in 813 ms returned sat
[2024-06-01 00:24:58] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:24:59] [INFO ] [Nat]Added 400 Read/Feed constraints in 1061 ms returned unknown
[2024-06-01 00:24:59] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:24:59] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:25:00] [INFO ] [Real]Absence check using state equation in 845 ms returned sat
[2024-06-01 00:25:00] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:25:00] [INFO ] [Real]Added 400 Read/Feed constraints in 583 ms returned sat
[2024-06-01 00:25:01] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:25:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:25:01] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:25:01] [INFO ] [Nat]Absence check using state equation in 766 ms returned sat
[2024-06-01 00:25:02] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:25:02] [INFO ] [Nat]Added 400 Read/Feed constraints in 1055 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[0, 0, 0, 0, 2, 0] Max Struct:[1, 1, 1, 1, +inf, 1]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 0, 0, 0, 2, 0] Max Struct:[1, 1, 1, 1, +inf, 1]
Support contains 6 out of 438 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 438/438 places, 7312/7312 transitions.
Graph (complete) has 12297 edges and 438 vertex of which 434 are kept as prefixes of interest. Removing 4 places using SCC suffix rule.19 ms
Discarding 4 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 128 transitions
Reduce isomorphic transitions removed 128 transitions.
Iterating post reduction 0 with 128 rules applied. Total rules applied 129 place count 434 transition count 7184
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 130 place count 433 transition count 7056
Iterating global reduction 1 with 1 rules applied. Total rules applied 131 place count 433 transition count 7056
Applied a total of 131 rules in 451 ms. Remains 433 /438 variables (removed 5) and now considering 7056/7312 (removed 256) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 463 ms. Remains : 433/438 places, 7056/7312 transitions.
[2024-06-01 00:25:03] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 125 resets, run finished after 203 ms. (steps per millisecond=49 ) properties (out of 6) seen :[1, 1, 0, 1, 2, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[1, 1, 0, 1, 2, 0] Max Struct:[1, 1, 1, 1, +inf, 1]
[2024-06-01 00:25:17] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
// Phase 1: matrix 4715 rows 433 cols
[2024-06-01 00:25:17] [INFO ] Computed 3 invariants in 49 ms
Current structural bounds on expressions (after invariants) : Max Seen:[1, 1, 0, 1, 2, 0] Max Struct:[1, 1, 1, 1, +inf, 1]
FORMULA DoubleLock-PT-p1s3-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA DoubleLock-PT-p1s3-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (9357 resets) in 3458 ms. (289 steps per ms)
FORMULA DoubleLock-PT-p1s3-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p1s3-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 1000001 steps (1434 resets) in 1056 ms. (946 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:25:22] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:25:22] [INFO ] Invariant cache hit.
[2024-06-01 00:25:22] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 00:25:23] [INFO ] [Real]Absence check using state equation in 922 ms returned sat
[2024-06-01 00:25:23] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:25:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:25:24] [INFO ] [Nat]Absence check using state equation in 885 ms returned sat
[2024-06-01 00:25:24] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:25:28] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:25:33] [INFO ] [Nat]Added 400 Read/Feed constraints in 9076 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 191 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 192 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-06-01 00:25:33] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 118 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:25:46] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:25:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (9314 resets) in 3222 ms. (310 steps per ms)
BEST_FIRST walk for 1000001 steps (1392 resets) in 971 ms. (1028 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:25:50] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:25:50] [INFO ] Invariant cache hit.
[2024-06-01 00:25:50] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:25:51] [INFO ] [Real]Absence check using state equation in 929 ms returned sat
[2024-06-01 00:25:51] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:25:54] [INFO ] [Real]Added 400 Read/Feed constraints in 2193 ms returned sat
[2024-06-01 00:25:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:25:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 00:25:55] [INFO ] [Nat]Absence check using state equation in 935 ms returned sat
[2024-06-01 00:25:59] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:26:04] [INFO ] [Nat]Added 400 Read/Feed constraints in 9075 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, 7056/7056 transitions.
Applied a total of 0 rules in 251 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 251 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 183 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-06-01 00:26:04] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:26:04] [INFO ] Invariant cache hit.
[2024-06-01 00:26:05] [INFO ] Implicit Places using invariants in 866 ms returned []
[2024-06-01 00:26:05] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:26:05] [INFO ] Invariant cache hit.
[2024-06-01 00:26:06] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:26:37] [INFO ] Performed 116/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-06-01 00:27:03] [INFO ] Implicit Places using invariants and state equation in 57807 ms returned []
Implicit Place search using SMT with State Equation took 58681 ms to find 0 implicit places.
[2024-06-01 00:27:04] [INFO ] Redundant transitions in 743 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-06-01 00:27:04] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:27:04] [INFO ] Invariant cache hit.
[2024-06-01 00:27:04] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30080 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 91060ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 91168ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150829 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-06-01 00:28:35] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 121 resets, run finished after 55 ms. (steps per millisecond=181 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:28:48] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:28:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000006 steps (9351 resets) in 3198 ms. (312 steps per ms)
BEST_FIRST walk for 1000001 steps (1368 resets) in 1026 ms. (973 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-06-01 00:28:52] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:28:52] [INFO ] Invariant cache hit.
[2024-06-01 00:28:52] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:28:53] [INFO ] [Real]Absence check using state equation in 875 ms returned sat
[2024-06-01 00:28:53] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:28:55] [INFO ] [Real]Added 400 Read/Feed constraints in 2002 ms returned sat
[2024-06-01 00:28:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:28:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 00:28:56] [INFO ] [Nat]Absence check using state equation in 891 ms returned sat
[2024-06-01 00:29:00] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:29:05] [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, 7056/7056 transitions.
Applied a total of 0 rules in 170 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 171 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 162 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-06-01 00:29:05] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:29:05] [INFO ] Invariant cache hit.
[2024-06-01 00:29:06] [INFO ] Implicit Places using invariants in 832 ms returned []
[2024-06-01 00:29:06] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:29:06] [INFO ] Invariant cache hit.
[2024-06-01 00:29:07] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:29:39] [INFO ] Performed 116/433 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2024-06-01 00:30:06] [INFO ] Implicit Places using invariants and state equation in 59890 ms returned []
Implicit Place search using SMT with State Equation took 60726 ms to find 0 implicit places.
[2024-06-01 00:30:07] [INFO ] Redundant transitions in 536 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-06-01 00:30:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:30:07] [INFO ] Invariant cache hit.
[2024-06-01 00:30:07] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30089 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30085 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 90556ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 90615ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 152063 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-06-01 00:31:37] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 126 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 40007 steps (368 resets) in 453 ms. (88 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (52 resets) in 132 ms. (300 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 180045 steps, run timeout after 3001 ms. (steps per millisecond=59 ) properties seen :0 out of 1
Probabilistic random walk after 180045 steps, saw 138450 distinct states, run finished after 3004 ms. (steps per millisecond=59 ) properties seen :0
[2024-06-01 00:31:54] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:31:54] [INFO ] Invariant cache hit.
[2024-06-01 00:31:54] [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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 275/4708 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4708 variables, 128/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 440/5148 variables, 174/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2315 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4433 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 275/4708 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 128/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4708 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 440/5148 variables, 174/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2025 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 4409ms 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, 7056/7056 transitions.
Applied a total of 0 rules in 162 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 167 ms. Remains : 433/433 places, 7056/7056 transitions.
RANDOM walk for 40003 steps (365 resets) in 261 ms. (152 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (61 resets) in 95 ms. (416 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 180376 steps, run timeout after 3001 ms. (steps per millisecond=60 ) properties seen :0 out of 1
Probabilistic random walk after 180376 steps, saw 138699 distinct states, run finished after 3003 ms. (steps per millisecond=60 ) properties seen :0
[2024-06-01 00:32:01] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:32:01] [INFO ] Invariant cache hit.
[2024-06-01 00:32:01] [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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 0/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 275/4708 variables, 2/261 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/4708 variables, 128/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 0/389 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (OVERLAPS) 440/5148 variables, 174/563 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/5148 variables, 1/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 272/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/5148 variables, 0/836 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 5148/5148 variables, and 836 constraints, problems are : Problem set: 0 solved, 1 unsolved in 2077 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 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) 266/267 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/267 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 4166/4433 variables, 130/131 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/4433 variables, 128/259 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/4433 variables, 1/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/4433 variables, 0/260 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 275/4708 variables, 2/262 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/4708 variables, 128/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/4708 variables, 0/390 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 440/5148 variables, 174/564 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/5148 variables, 1/565 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/5148 variables, 272/837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/5148 variables, 0/837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/5148 variables, 0/837 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 5148/5148 variables, and 837 constraints, problems are : Problem set: 0 solved, 1 unsolved in 3462 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 433/433 constraints, ReadFeed: 400/400 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 5583ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 307 ms.
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 158 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 158 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 158 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-06-01 00:32:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:32:07] [INFO ] Invariant cache hit.
[2024-06-01 00:32:08] [INFO ] Implicit Places using invariants in 807 ms returned []
[2024-06-01 00:32:08] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:32:08] [INFO ] Invariant cache hit.
[2024-06-01 00:32:09] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:32:41] [INFO ] Performed 116/433 implicitness test of which 0 returned IMPLICIT in 31 seconds.
[2024-06-01 00:33:06] [INFO ] Implicit Places using invariants and state equation in 58204 ms returned []
Implicit Place search using SMT with State Equation took 59014 ms to find 0 implicit places.
[2024-06-01 00:33:07] [INFO ] Redundant transitions in 713 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-06-01 00:33:07] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:33:07] [INFO ] Invariant cache hit.
[2024-06-01 00:33:07] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30089 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30101 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 90098ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 90159ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 150084 ms. Remains : 433/433 places, 7056/7056 transitions.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[5] Max Struct:[+inf]
Starting property specific reduction for DoubleLock-PT-p1s3-UpperBounds-12
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 00:34:37] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:34:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (88 resets) in 33 ms. (294 steps per ms)
BEST_FIRST walk for 10001 steps (14 resets) in 11 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:34:37] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:34:37] [INFO ] Invariant cache hit.
[2024-06-01 00:34:38] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 00:34:38] [INFO ] [Real]Absence check using state equation in 869 ms returned sat
[2024-06-01 00:34:39] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:34:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-06-01 00:34:39] [INFO ] [Nat]Absence check using state equation in 823 ms returned sat
[2024-06-01 00:34:39] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:34:40] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:34:40] [INFO ] [Nat]Added 400 Read/Feed constraints in 1070 ms returned unknown
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 433 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 160 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 162 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-06-01 00:34:41] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
Found an invariant !
This invariant on transitions {22=1, 39=1, 3010=1, 3011=1, 4686=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {22=1, 39=1, 3022=1, 3023=1, 4697=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 129 resets, run finished after 87 ms. (steps per millisecond=114 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-06-01 00:34:53] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:34:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (9314 resets) in 3133 ms. (319 steps per ms)
BEST_FIRST walk for 1000001 steps (1415 resets) in 1000 ms. (999 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-06-01 00:34:57] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:34:57] [INFO ] Invariant cache hit.
[2024-06-01 00:34:57] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:34:58] [INFO ] [Real]Absence check using state equation in 844 ms returned sat
[2024-06-01 00:34:58] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:34:59] [INFO ] [Real]Added 400 Read/Feed constraints in 667 ms returned sat
[2024-06-01 00:34:59] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:34:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-06-01 00:35:00] [INFO ] [Nat]Absence check using state equation in 859 ms returned sat
[2024-06-01 00:35:04] [INFO ] SMT solver returned unknown. Retrying;
[2024-06-01 00:35:09] [INFO ] [Nat]Added 400 Read/Feed constraints in 9057 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, 7056/7056 transitions.
Applied a total of 0 rules in 164 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 165 ms. Remains : 433/433 places, 7056/7056 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 433/433 places, 7056/7056 transitions.
Applied a total of 0 rules in 159 ms. Remains 433 /433 variables (removed 0) and now considering 7056/7056 (removed 0) transitions.
[2024-06-01 00:35:09] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:35:09] [INFO ] Invariant cache hit.
[2024-06-01 00:35:10] [INFO ] Implicit Places using invariants in 798 ms returned []
[2024-06-01 00:35:10] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:35:10] [INFO ] Invariant cache hit.
[2024-06-01 00:35:11] [INFO ] State equation strengthened by 400 read => feed constraints.
[2024-06-01 00:35:41] [INFO ] Performed 117/433 implicitness test of which 0 returned IMPLICIT in 30 seconds.
[2024-06-01 00:36:05] [INFO ] Implicit Places using invariants and state equation in 54694 ms returned []
Implicit Place search using SMT with State Equation took 55494 ms to find 0 implicit places.
[2024-06-01 00:36:05] [INFO ] Redundant transitions in 525 ms returned []
Running 7054 sub problems to find dead transitions.
[2024-06-01 00:36:05] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
[2024-06-01 00:36:05] [INFO ] Invariant cache hit.
[2024-06-01 00:36:05] [INFO ] State equation strengthened by 400 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Real declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 7054/7054 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7054 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/433 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 7054 unsolved
Solver is answering 'unknown', stopping.
After SMT solving in domain Int declared 433/5148 variables, and 3 constraints, problems are : Problem set: 0 solved, 7054 unsolved in 30168 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 0/433 constraints, ReadFeed: 0/400 constraints, PredecessorRefiner: 0/7054 constraints, Known Traps: 0/0 constraints]
After SMT, in 88971ms problems are : Problem set: 0 solved, 7054 unsolved
Search for dead transitions found 0 dead transitions in 89028ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145234 ms. Remains : 433/433 places, 7056/7056 transitions.
[2024-06-01 00:37:34] [INFO ] Flow matrix only has 4715 transitions (discarded 2341 similar events)
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=
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-p1s3"
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-p1s3, 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-171631133000605"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"
tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p1s3.tgz
mv DoubleLock-PT-p1s3 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 ;