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.r223-tall-171649611700541.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 greatspnxred
Input is Medical-PT-08, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r223-tall-171649611700541
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 3.5M
-rw-r--r-- 1 mcc users 8.1K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 82K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.1K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 45K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:11 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 16:04 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K Apr 22 14:52 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:52 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 141K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.3K Apr 13 15:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 59K Apr 13 15:04 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:13 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:27 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 3 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 3.1M 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 Medical-PT-08-UpperBounds-00
FORMULA_NAME Medical-PT-08-UpperBounds-01
FORMULA_NAME Medical-PT-08-UpperBounds-02
FORMULA_NAME Medical-PT-08-UpperBounds-03
FORMULA_NAME Medical-PT-08-UpperBounds-04
FORMULA_NAME Medical-PT-08-UpperBounds-05
FORMULA_NAME Medical-PT-08-UpperBounds-06
FORMULA_NAME Medical-PT-08-UpperBounds-07
FORMULA_NAME Medical-PT-08-UpperBounds-08
FORMULA_NAME Medical-PT-08-UpperBounds-09
FORMULA_NAME Medical-PT-08-UpperBounds-10
FORMULA_NAME Medical-PT-08-UpperBounds-11
FORMULA_NAME Medical-PT-08-UpperBounds-12
FORMULA_NAME Medical-PT-08-UpperBounds-13
FORMULA_NAME Medical-PT-08-UpperBounds-14
FORMULA_NAME Medical-PT-08-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716567299084

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=Medical-PT-08
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-24 16:15:00] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-24 16:15:00] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-24 16:15:00] [INFO ] Load time of PNML (sax parser for PT used): 309 ms
[2024-05-24 16:15:00] [INFO ] Transformed 312 places.
[2024-05-24 16:15:00] [INFO ] Transformed 5431 transitions.
[2024-05-24 16:15:00] [INFO ] Parsed PT model containing 312 places and 5431 transitions and 28790 arcs in 462 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 8 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 242 places in 26 ms
Reduce places removed 242 places and 5204 transitions.
Reduce places removed 1 places and 0 transitions.
FORMULA Medical-PT-08-UpperBounds-01 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-02 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-07 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-08 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-09 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-24 16:15:00] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
// Phase 1: matrix 182 rows 69 cols
[2024-05-24 16:15:00] [INFO ] Computed 10 invariants in 16 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0] Max Struct:[1, +inf, 1, +inf, +inf, +inf]
RANDOM walk for 10000 steps (58 resets) in 30 ms. (322 steps per ms)
FORMULA Medical-PT-08-UpperBounds-05 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 50003 steps (47 resets) in 64 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 11, 21, 0, 22] Max Struct:[1, +inf, +inf, +inf, +inf]
[2024-05-24 16:15:00] [INFO ] Flow matrix only has 182 transitions (discarded 45 similar events)
[2024-05-24 16:15:00] [INFO ] Invariant cache hit.
[2024-05-24 16:15:01] [INFO ] [Real]Absence check using 10 positive place invariants in 6 ms returned sat
[2024-05-24 16:15:01] [INFO ] [Real]Absence check using state equation in 63 ms returned sat
[2024-05-24 16:15:01] [INFO ] State equation strengthened by 56 read => feed constraints.
[2024-05-24 16:15:01] [INFO ] [Real]Added 56 Read/Feed constraints in 14 ms returned sat
[2024-05-24 16:15:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:01] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2024-05-24 16:15:01] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2024-05-24 16:15:01] [INFO ] [Nat]Added 56 Read/Feed constraints in 10 ms returned sat
[2024-05-24 16:15:01] [INFO ] Deduced a trap composed of 5 places in 74 ms of which 7 ms to minimize.
[2024-05-24 16:15:01] [INFO ] Deduced a trap composed of 18 places in 56 ms of which 2 ms to minimize.
[2024-05-24 16:15:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 165 ms
[2024-05-24 16:15:01] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 24 ms.
[2024-05-24 16:15:01] [INFO ] Deduced a trap composed of 29 places in 58 ms of which 1 ms to minimize.
[2024-05-24 16:15:01] [INFO ] Deduced a trap composed of 14 places in 57 ms of which 1 ms to minimize.
[2024-05-24 16:15:01] [INFO ] Deduced a trap composed of 34 places in 50 ms of which 0 ms to minimize.
[2024-05-24 16:15:01] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 1 ms to minimize.
[2024-05-24 16:15:01] [INFO ] Deduced a trap composed of 33 places in 44 ms of which 1 ms to minimize.
[2024-05-24 16:15:02] [INFO ] Deduced a trap composed of 6 places in 50 ms of which 1 ms to minimize.
[2024-05-24 16:15:02] [INFO ] Deduced a trap composed of 22 places in 56 ms of which 1 ms to minimize.
[2024-05-24 16:15:02] [INFO ] Deduced a trap composed of 4 places in 50 ms of which 1 ms to minimize.
[2024-05-24 16:15:02] [INFO ] Deduced a trap composed of 35 places in 63 ms of which 0 ms to minimize.
[2024-05-24 16:15:02] [INFO ] Deduced a trap composed of 33 places in 49 ms of which 1 ms to minimize.
[2024-05-24 16:15:02] [INFO ] Trap strengthening (SAT) tested/added 11/10 trap constraints in 694 ms
[2024-05-24 16:15:02] [INFO ] Added : 38 causal constraints over 12 iterations in 968 ms. Result :sat
Minimization took 168 ms.
[2024-05-24 16:15:02] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:02] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-24 16:15:02] [INFO ] [Real]Added 56 Read/Feed constraints in 8 ms returned sat
[2024-05-24 16:15:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:02] [INFO ] [Nat]Absence check using 10 positive place invariants in 3 ms returned sat
[2024-05-24 16:15:02] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-24 16:15:02] [INFO ] [Nat]Added 56 Read/Feed constraints in 10 ms returned sat
[2024-05-24 16:15:02] [INFO ] Deduced a trap composed of 13 places in 51 ms of which 1 ms to minimize.
[2024-05-24 16:15:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 78 ms
[2024-05-24 16:15:02] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 17 ms.
[2024-05-24 16:15:03] [INFO ] Deduced a trap composed of 4 places in 25 ms of which 1 ms to minimize.
[2024-05-24 16:15:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-24 16:15:03] [INFO ] Added : 55 causal constraints over 11 iterations in 243 ms. Result :sat
Minimization took 68 ms.
[2024-05-24 16:15:03] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Real]Added 56 Read/Feed constraints in 6 ms returned sat
[2024-05-24 16:15:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:03] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Nat]Added 56 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:03] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 1 ms to minimize.
[2024-05-24 16:15:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 37 ms
[2024-05-24 16:15:03] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 15 ms.
[2024-05-24 16:15:03] [INFO ] Deduced a trap composed of 4 places in 39 ms of which 0 ms to minimize.
[2024-05-24 16:15:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-24 16:15:03] [INFO ] Added : 29 causal constraints over 6 iterations in 158 ms. Result :sat
Minimization took 42 ms.
[2024-05-24 16:15:03] [INFO ] [Real]Absence check using 10 positive place invariants in 3 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Real]Added 56 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:03] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-24 16:15:03] [INFO ] [Nat]Added 56 Read/Feed constraints in 10 ms returned sat
[2024-05-24 16:15:03] [INFO ] Deduced a trap composed of 5 places in 52 ms of which 1 ms to minimize.
[2024-05-24 16:15:03] [INFO ] Deduced a trap composed of 4 places in 51 ms of which 1 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 1 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 15 places in 49 ms of which 2 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 16 places in 51 ms of which 0 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 31 places in 41 ms of which 1 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Trap strengthening (SAT) tested/added 7/6 trap constraints in 358 ms
[2024-05-24 16:15:04] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 27 ms.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 6 places in 44 ms of which 1 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-24 16:15:04] [INFO ] Added : 20 causal constraints over 4 iterations in 172 ms. Result :sat
Minimization took 40 ms.
[2024-05-24 16:15:04] [INFO ] [Real]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:04] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-24 16:15:04] [INFO ] [Real]Added 56 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:04] [INFO ] [Nat]Absence check using 10 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:04] [INFO ] [Nat]Absence check using state equation in 48 ms returned sat
[2024-05-24 16:15:04] [INFO ] [Nat]Added 56 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 18 places in 54 ms of which 3 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 4 places in 37 ms of which 1 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 6 places in 36 ms of which 1 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 5 places in 34 ms of which 0 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Deduced a trap composed of 6 places in 40 ms of which 0 ms to minimize.
[2024-05-24 16:15:04] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 264 ms
[2024-05-24 16:15:04] [INFO ] Computed and/alt/rep : 122/716/121 causal constraints (skipped 56 transitions) in 16 ms.
[2024-05-24 16:15:04] [INFO ] Added : 31 causal constraints over 7 iterations in 112 ms. Result :sat
Minimization took 56 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 11, 21, 0, 22] Max Struct:[1, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 11, 21, 0, 22] Max Struct:[1, +inf, +inf, +inf, +inf]
Support contains 5 out of 69 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 69/69 places, 227/227 transitions.
Graph (complete) has 347 edges and 69 vertex of which 67 are kept as prefixes of interest. Removing 2 places using SCC suffix rule.1 ms
Discarding 2 places :
Also discarding 0 output transitions
Performed 3 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 0 with 3 Pre rules applied. Total rules applied 1 place count 67 transition count 224
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 0 with 6 rules applied. Total rules applied 7 place count 64 transition count 224
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 0 with 2 rules applied. Total rules applied 9 place count 63 transition count 224
Free-agglomeration rule applied 2 times.
Iterating global reduction 0 with 2 rules applied. Total rules applied 11 place count 63 transition count 222
Reduce places removed 2 places and 0 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 13 place count 61 transition count 222
Applied a total of 13 rules in 45 ms. Remains 61 /69 variables (removed 8) and now considering 222/227 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 56 ms. Remains : 61/69 places, 222/227 transitions.
[2024-05-24 16:15:05] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Found an invariant !
This invariant on transitions {1=1, 151=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {3=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 5) seen :[0, 2, 2147483647, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 11, +inf, 0, 22] Max Struct:[1, +inf, +inf, +inf, +inf]
[2024-05-24 16:15:05] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
// Phase 1: matrix 176 rows 61 cols
[2024-05-24 16:15:05] [INFO ] Computed 8 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 11, +inf, 0, 22] Max Struct:[1, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 482 ms. (2070 steps per ms)
FORMULA Medical-PT-08-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4000003 steps (8 resets) in 1923 ms. (2079 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 11, 0, 22] Max Struct:[1, +inf, +inf, +inf]
[2024-05-24 16:15:07] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2024-05-24 16:15:07] [INFO ] Invariant cache hit.
[2024-05-24 16:15:07] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:07] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-24 16:15:07] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-24 16:15:07] [INFO ] [Real]Added 57 Read/Feed constraints in 7 ms returned sat
[2024-05-24 16:15:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:08] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 14 ms.
[2024-05-24 16:15:08] [INFO ] Added : 9 causal constraints over 2 iterations in 55 ms. Result :sat
Minimization took 34 ms.
[2024-05-24 16:15:08] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Real]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:08] [INFO ] Deduced a trap composed of 6 places in 32 ms of which 1 ms to minimize.
[2024-05-24 16:15:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 44 ms
[2024-05-24 16:15:08] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 14 ms.
[2024-05-24 16:15:08] [INFO ] Deduced a trap composed of 11 places in 48 ms of which 0 ms to minimize.
[2024-05-24 16:15:08] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-24 16:15:08] [INFO ] Added : 18 causal constraints over 4 iterations in 149 ms. Result :sat
Minimization took 35 ms.
[2024-05-24 16:15:08] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Real]Added 57 Read/Feed constraints in 8 ms returned sat
[2024-05-24 16:15:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:08] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-24 16:15:08] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:08] [INFO ] Deduced a trap composed of 4 places in 42 ms of which 1 ms to minimize.
[2024-05-24 16:15:08] [INFO ] Deduced a trap composed of 15 places in 41 ms of which 1 ms to minimize.
[2024-05-24 16:15:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 99 ms
[2024-05-24 16:15:08] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 13 ms.
[2024-05-24 16:15:08] [INFO ] Added : 46 causal constraints over 10 iterations in 155 ms. Result :sat
Minimization took 44 ms.
[2024-05-24 16:15:09] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:09] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-24 16:15:09] [INFO ] [Real]Added 57 Read/Feed constraints in 7 ms returned sat
[2024-05-24 16:15:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:09] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:09] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-24 16:15:09] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:09] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 14 ms.
[2024-05-24 16:15:09] [INFO ] Added : 46 causal constraints over 10 iterations in 126 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 11, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 11, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Support contains 4 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 8 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 61/61 places, 222/222 transitions.
[2024-05-24 16:15:09] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
Found an invariant !
This invariant on transitions {1=1, 151=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {3=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 85 ms. (steps per millisecond=117 ) properties (out of 4) seen :[0, 3, 0, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[0, 11, 0, 22] Max Struct:[1, +inf, +inf, +inf]
[2024-05-24 16:15:09] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2024-05-24 16:15:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0, 11, 0, 22] Max Struct:[1, +inf, +inf, +inf]
RANDOM walk for 1000006 steps (2 resets) in 436 ms. (2288 steps per ms)
BEST_FIRST walk for 4000002 steps (8 resets) in 1759 ms. (2272 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
[2024-05-24 16:15:11] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2024-05-24 16:15:11] [INFO ] Invariant cache hit.
[2024-05-24 16:15:11] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:11] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-24 16:15:11] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-24 16:15:11] [INFO ] [Real]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:11] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:11] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-24 16:15:11] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:11] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 11 ms.
[2024-05-24 16:15:11] [INFO ] Added : 9 causal constraints over 2 iterations in 42 ms. Result :sat
Minimization took 35 ms.
[2024-05-24 16:15:11] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:11] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Real]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:12] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:12] [INFO ] Deduced a trap composed of 6 places in 26 ms of which 1 ms to minimize.
[2024-05-24 16:15:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
[2024-05-24 16:15:12] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 14 ms.
[2024-05-24 16:15:12] [INFO ] Deduced a trap composed of 11 places in 77 ms of which 1 ms to minimize.
[2024-05-24 16:15:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 95 ms
[2024-05-24 16:15:12] [INFO ] Added : 18 causal constraints over 4 iterations in 164 ms. Result :sat
Minimization took 35 ms.
[2024-05-24 16:15:12] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Real]Added 57 Read/Feed constraints in 8 ms returned sat
[2024-05-24 16:15:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:12] [INFO ] [Nat]Absence check using 8 positive place invariants in 3 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:12] [INFO ] Deduced a trap composed of 4 places in 58 ms of which 1 ms to minimize.
[2024-05-24 16:15:12] [INFO ] Deduced a trap composed of 15 places in 65 ms of which 1 ms to minimize.
[2024-05-24 16:15:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 171 ms
[2024-05-24 16:15:12] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 15 ms.
[2024-05-24 16:15:12] [INFO ] Added : 46 causal constraints over 10 iterations in 167 ms. Result :sat
Minimization took 45 ms.
[2024-05-24 16:15:12] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:12] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-24 16:15:13] [INFO ] [Real]Added 57 Read/Feed constraints in 21 ms returned sat
[2024-05-24 16:15:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:13] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:13] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-24 16:15:13] [INFO ] [Nat]Added 57 Read/Feed constraints in 9 ms returned sat
[2024-05-24 16:15:13] [INFO ] Computed and/alt/rep : 119/604/118 causal constraints (skipped 57 transitions) in 18 ms.
[2024-05-24 16:15:13] [INFO ] Added : 46 causal constraints over 10 iterations in 151 ms. Result :sat
Minimization took 46 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Support contains 4 out of 61 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 10 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 61/61 places, 222/222 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 61/61 places, 222/222 transitions.
Applied a total of 0 rules in 7 ms. Remains 61 /61 variables (removed 0) and now considering 222/222 (removed 0) transitions.
[2024-05-24 16:15:13] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2024-05-24 16:15:13] [INFO ] Invariant cache hit.
[2024-05-24 16:15:13] [INFO ] Implicit Places using invariants in 248 ms returned []
[2024-05-24 16:15:13] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2024-05-24 16:15:13] [INFO ] Invariant cache hit.
[2024-05-24 16:15:13] [INFO ] State equation strengthened by 57 read => feed constraints.
[2024-05-24 16:15:13] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 401 ms to find 0 implicit places.
[2024-05-24 16:15:13] [INFO ] Redundant transitions in 8 ms returned []
Running 221 sub problems to find dead transitions.
[2024-05-24 16:15:13] [INFO ] Flow matrix only has 176 transitions (discarded 46 similar events)
[2024-05-24 16:15:13] [INFO ] Invariant cache hit.
[2024-05-24 16:15:13] [INFO ] State equation strengthened by 57 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
[2024-05-24 16:15:14] [INFO ] Deduced a trap composed of 6 places in 30 ms of which 1 ms to minimize.
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 127 constraints, problems are : Problem set: 0 solved, 221 unsolved in 4546 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 1/1 constraints]
Escalating to Integer solving :Problem set: 0 solved, 221 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/61 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/61 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/61 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 3 (OVERLAPS) 176/237 variables, 61/70 constraints. Problems are: Problem set: 0 solved, 221 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 57/127 constraints. Problems are: Problem set: 0 solved, 221 unsolved
Problem TDEAD0 is UNSAT
Problem TDEAD7 is UNSAT
Problem TDEAD11 is UNSAT
Problem TDEAD12 is UNSAT
Problem TDEAD13 is UNSAT
Problem TDEAD14 is UNSAT
Problem TDEAD16 is UNSAT
Problem TDEAD21 is UNSAT
Problem TDEAD22 is UNSAT
Problem TDEAD23 is UNSAT
Problem TDEAD24 is UNSAT
Problem TDEAD25 is UNSAT
Problem TDEAD28 is UNSAT
Problem TDEAD29 is UNSAT
Problem TDEAD30 is UNSAT
Problem TDEAD31 is UNSAT
Problem TDEAD32 is UNSAT
Problem TDEAD35 is UNSAT
Problem TDEAD36 is UNSAT
Problem TDEAD37 is UNSAT
Problem TDEAD38 is UNSAT
Problem TDEAD39 is UNSAT
Problem TDEAD42 is UNSAT
Problem TDEAD43 is UNSAT
Problem TDEAD44 is UNSAT
Problem TDEAD45 is UNSAT
Problem TDEAD46 is UNSAT
Problem TDEAD49 is UNSAT
Problem TDEAD50 is UNSAT
Problem TDEAD51 is UNSAT
Problem TDEAD52 is UNSAT
Problem TDEAD53 is UNSAT
Problem TDEAD56 is UNSAT
Problem TDEAD57 is UNSAT
Problem TDEAD58 is UNSAT
Problem TDEAD59 is UNSAT
Problem TDEAD60 is UNSAT
Problem TDEAD63 is UNSAT
Problem TDEAD68 is UNSAT
Problem TDEAD73 is UNSAT
Problem TDEAD78 is UNSAT
Problem TDEAD83 is UNSAT
Problem TDEAD88 is UNSAT
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 221/348 constraints. Problems are: Problem set: 43 solved, 178 unsolved
[2024-05-24 16:15:20] [INFO ] Deduced a trap composed of 4 places in 30 ms of which 1 ms to minimize.
[2024-05-24 16:15:20] [INFO ] Deduced a trap composed of 5 places in 30 ms of which 1 ms to minimize.
[2024-05-24 16:15:21] [INFO ] Deduced a trap composed of 9 places in 27 ms of which 0 ms to minimize.
[2024-05-24 16:15:21] [INFO ] Deduced a trap composed of 10 places in 40 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 4/352 constraints. Problems are: Problem set: 43 solved, 178 unsolved
[2024-05-24 16:15:22] [INFO ] Deduced a trap composed of 8 places in 35 ms of which 1 ms to minimize.
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 1/353 constraints. Problems are: Problem set: 43 solved, 178 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/353 constraints. Problems are: Problem set: 43 solved, 178 unsolved
At refinement iteration 9 (OVERLAPS) 0/237 variables, 0/353 constraints. Problems are: Problem set: 43 solved, 178 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 353 constraints, problems are : Problem set: 43 solved, 178 unsolved in 8412 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 61/61 constraints, ReadFeed: 57/57 constraints, PredecessorRefiner: 221/221 constraints, Known Traps: 6/6 constraints]
After SMT, in 13251ms problems are : Problem set: 43 solved, 178 unsolved
Search for dead transitions found 43 dead transitions in 13272ms
Found 43 dead transitions using SMT.
Drop transitions (Dead Transitions using SMT only with invariants) removed 43 transitions
Dead transitions reduction (with SMT) removed 43 transitions
Starting structural reductions in REACHABILITY mode, iteration 1 : 61/61 places, 179/222 transitions.
Reduce places removed 11 places and 65 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 11 place count 50 transition count 114
Reduce places removed 6 places and 31 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 17 place count 44 transition count 83
Reduce places removed 2 places and 11 transitions.
Iterating post reduction 2 with 2 rules applied. Total rules applied 19 place count 42 transition count 72
Reduce places removed 2 places and 12 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 21 place count 40 transition count 60
Reduce places removed 1 places and 4 transitions.
Iterating post reduction 4 with 1 rules applied. Total rules applied 22 place count 39 transition count 56
Deduced a syphon composed of 2 places in 0 ms
Applied a total of 22 rules in 9 ms. Remains 39 /61 variables (removed 22) and now considering 56/179 (removed 123) transitions.
[2024-05-24 16:15:27] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
// Phase 1: matrix 50 rows 39 cols
[2024-05-24 16:15:27] [INFO ] Computed 10 invariants in 1 ms
[2024-05-24 16:15:27] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-24 16:15:27] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:27] [INFO ] Invariant cache hit.
[2024-05-24 16:15:27] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:27] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
Starting structural reductions in REACHABILITY mode, iteration 2 : 39/61 places, 56/222 transitions.
Finished structural reductions in REACHABILITY mode , in 2 iterations and 13859 ms. Remains : 39/61 places, 56/222 transitions.
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
FORMULA Medical-PT-08-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA Medical-PT-08-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
[2024-05-24 16:15:27] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
Found an invariant !
This invariant on transitions {0=1, 41=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 41=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 2) seen :[3, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:27] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
// Phase 1: matrix 50 rows 37 cols
[2024-05-24 16:15:27] [INFO ] Computed 8 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
RANDOM walk for 1000004 steps (2 resets) in 355 ms. (2809 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 647 ms. (3086 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:28] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:28] [INFO ] Invariant cache hit.
[2024-05-24 16:15:28] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:28] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-24 16:15:28] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:28] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:28] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:28] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-24 16:15:28] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:28] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 3 ms.
[2024-05-24 16:15:28] [INFO ] Added : 21 causal constraints over 5 iterations in 25 ms. Result :sat
Minimization took 13 ms.
[2024-05-24 16:15:28] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:28] [INFO ] [Real]Absence check using state equation in 12 ms returned sat
[2024-05-24 16:15:28] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:28] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:28] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-24 16:15:28] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-24 16:15:28] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 3 ms.
[2024-05-24 16:15:28] [INFO ] Added : 12 causal constraints over 3 iterations in 18 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 37/37 places, 56/56 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-24 16:15:28] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:28] [INFO ] Invariant cache hit.
[2024-05-24 16:15:28] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-24 16:15:28] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:28] [INFO ] Invariant cache hit.
[2024-05-24 16:15:28] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:28] [INFO ] Implicit Places using invariants and state equation in 56 ms returned []
Implicit Place search using SMT with State Equation took 95 ms to find 0 implicit places.
[2024-05-24 16:15:28] [INFO ] Redundant transitions in 1 ms returned []
Running 55 sub problems to find dead transitions.
[2024-05-24 16:15:28] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:28] [INFO ] Invariant cache hit.
[2024-05-24 16:15:28] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 72 constraints, problems are : Problem set: 0 solved, 55 unsolved in 415 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 55/127 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:29] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:29] [INFO ] Deduced a trap composed of 8 places in 31 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 129 constraints, problems are : Problem set: 0 solved, 55 unsolved in 964 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 2/2 constraints]
After SMT, in 1397ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1398ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1502 ms. Remains : 37/37 places, 56/56 transitions.
[2024-05-24 16:15:29] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
Found an invariant !
This invariant on transitions {0=1, 41=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 41=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 2) seen :[1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[6, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:30] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[6, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
RANDOM walk for 1000000 steps (2 resets) in 338 ms. (2949 steps per ms)
BEST_FIRST walk for 2000001 steps (4 resets) in 679 ms. (2941 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:31] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:31] [INFO ] Invariant cache hit.
[2024-05-24 16:15:31] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:31] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-24 16:15:31] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:31] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:31] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:31] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-24 16:15:31] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:31] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 2 ms.
[2024-05-24 16:15:31] [INFO ] Added : 21 causal constraints over 5 iterations in 25 ms. Result :sat
Minimization took 13 ms.
[2024-05-24 16:15:31] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:31] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-24 16:15:31] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:31] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:31] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-24 16:15:31] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:31] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 3 ms.
[2024-05-24 16:15:31] [INFO ] Added : 12 causal constraints over 3 iterations in 18 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 5 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 37/37 places, 56/56 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 5 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-24 16:15:31] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:31] [INFO ] Invariant cache hit.
[2024-05-24 16:15:31] [INFO ] Implicit Places using invariants in 40 ms returned []
[2024-05-24 16:15:31] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:31] [INFO ] Invariant cache hit.
[2024-05-24 16:15:31] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:31] [INFO ] Implicit Places using invariants and state equation in 62 ms returned []
Implicit Place search using SMT with State Equation took 106 ms to find 0 implicit places.
[2024-05-24 16:15:31] [INFO ] Redundant transitions in 0 ms returned []
Running 55 sub problems to find dead transitions.
[2024-05-24 16:15:31] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:31] [INFO ] Invariant cache hit.
[2024-05-24 16:15:31] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 72 constraints, problems are : Problem set: 0 solved, 55 unsolved in 453 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 55/127 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:32] [INFO ] Deduced a trap composed of 4 places in 28 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:32] [INFO ] Deduced a trap composed of 8 places in 29 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 129 constraints, problems are : Problem set: 0 solved, 55 unsolved in 993 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 2/2 constraints]
After SMT, in 1461ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1462ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1581 ms. Remains : 37/37 places, 56/56 transitions.
[2024-05-24 16:15:32] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
Found an invariant !
This invariant on transitions {0=1, 41=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 41=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 2) seen :[1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:32] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
RANDOM walk for 1000004 steps (2 resets) in 351 ms. (2840 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 640 ms. (3120 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:33] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:33] [INFO ] Invariant cache hit.
[2024-05-24 16:15:33] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:33] [INFO ] [Real]Absence check using state equation in 11 ms returned sat
[2024-05-24 16:15:33] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:33] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-24 16:15:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:34] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:34] [INFO ] [Nat]Absence check using state equation in 16 ms returned sat
[2024-05-24 16:15:34] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:34] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 2 ms.
[2024-05-24 16:15:34] [INFO ] Added : 21 causal constraints over 5 iterations in 25 ms. Result :sat
Minimization took 12 ms.
[2024-05-24 16:15:34] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:34] [INFO ] [Real]Absence check using state equation in 10 ms returned sat
[2024-05-24 16:15:34] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-24 16:15:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:34] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:34] [INFO ] [Nat]Absence check using state equation in 13 ms returned sat
[2024-05-24 16:15:34] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-24 16:15:34] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 3 ms.
[2024-05-24 16:15:34] [INFO ] Added : 12 causal constraints over 3 iterations in 18 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 37/37 places, 56/56 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-24 16:15:34] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:34] [INFO ] Invariant cache hit.
[2024-05-24 16:15:34] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-24 16:15:34] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:34] [INFO ] Invariant cache hit.
[2024-05-24 16:15:34] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:34] [INFO ] Implicit Places using invariants and state equation in 57 ms returned []
Implicit Place search using SMT with State Equation took 140 ms to find 0 implicit places.
[2024-05-24 16:15:34] [INFO ] Redundant transitions in 1 ms returned []
Running 55 sub problems to find dead transitions.
[2024-05-24 16:15:34] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:34] [INFO ] Invariant cache hit.
[2024-05-24 16:15:34] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 72 constraints, problems are : Problem set: 0 solved, 55 unsolved in 502 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 55/127 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:35] [INFO ] Deduced a trap composed of 4 places in 23 ms of which 0 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:35] [INFO ] Deduced a trap composed of 8 places in 25 ms of which 0 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 129 constraints, problems are : Problem set: 0 solved, 55 unsolved in 993 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 2/2 constraints]
After SMT, in 1521ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1521ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1668 ms. Remains : 37/37 places, 56/56 transitions.
[2024-05-24 16:15:35] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
Found an invariant !
This invariant on transitions {0=1, 41=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 41=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 2) seen :[2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:35] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
RANDOM walk for 1000005 steps (2 resets) in 323 ms. (3086 steps per ms)
BEST_FIRST walk for 2000002 steps (4 resets) in 633 ms. (3154 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
[2024-05-24 16:15:36] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:36] [INFO ] Invariant cache hit.
[2024-05-24 16:15:36] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:36] [INFO ] [Real]Absence check using state equation in 15 ms returned sat
[2024-05-24 16:15:36] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:36] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-24 16:15:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:36] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:36] [INFO ] [Nat]Absence check using state equation in 12 ms returned sat
[2024-05-24 16:15:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:37] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 3 ms.
[2024-05-24 16:15:37] [INFO ] Added : 21 causal constraints over 5 iterations in 26 ms. Result :sat
Minimization took 12 ms.
[2024-05-24 16:15:37] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:37] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2024-05-24 16:15:37] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-24 16:15:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:37] [INFO ] [Nat]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:37] [INFO ] [Nat]Absence check using state equation in 11 ms returned sat
[2024-05-24 16:15:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-24 16:15:37] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 3 ms.
[2024-05-24 16:15:37] [INFO ] Added : 12 causal constraints over 3 iterations in 17 ms. Result :sat
Minimization took 10 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
Support contains 2 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 37/37 places, 56/56 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 2 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-24 16:15:37] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:37] [INFO ] Invariant cache hit.
[2024-05-24 16:15:37] [INFO ] Implicit Places using invariants in 36 ms returned []
[2024-05-24 16:15:37] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:37] [INFO ] Invariant cache hit.
[2024-05-24 16:15:37] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:37] [INFO ] Implicit Places using invariants and state equation in 73 ms returned []
Implicit Place search using SMT with State Equation took 138 ms to find 0 implicit places.
[2024-05-24 16:15:37] [INFO ] Redundant transitions in 0 ms returned []
Running 55 sub problems to find dead transitions.
[2024-05-24 16:15:37] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:37] [INFO ] Invariant cache hit.
[2024-05-24 16:15:37] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 72 constraints, problems are : Problem set: 0 solved, 55 unsolved in 580 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 55/127 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:38] [INFO ] Deduced a trap composed of 4 places in 24 ms of which 1 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:38] [INFO ] Deduced a trap composed of 8 places in 28 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 129 constraints, problems are : Problem set: 0 solved, 55 unsolved in 959 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 2/2 constraints]
After SMT, in 1557ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1558ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1715 ms. Remains : 37/37 places, 56/56 transitions.
[2024-05-24 16:15:38] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
Found an invariant !
This invariant on transitions {0=1, 41=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 41=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 2) seen :[2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[12, 13, 0, 22] Max Struct:[1, +inf, +inf, +inf]
Inconsistency detected : max struct is less than max seen for bound index 0
RANDOM walk for 40013 steps (8 resets) in 325 ms. (122 steps per ms) remains 2/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 164 ms. (242 steps per ms) remains 1/2 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 1/1 properties
[2024-05-24 16:15:39] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:39] [INFO ] Invariant cache hit.
[2024-05-24 16:15:39] [INFO ] State equation strengthened by 27 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 23/27 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/28 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/28 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/28 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 37/65 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/65 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/65 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/65 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/87 variables, 16/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/87 variables, 4/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/87 variables, 4/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 23/27 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/28 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/28 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/28 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 37/65 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/65 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/65 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/65 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/65 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 22/87 variables, 16/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/87 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/87 variables, 4/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/87 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/87 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 48 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 99ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 2128 steps, including 33 resets, run visited all 1 properties in 6 ms. (steps per millisecond=354 )
Parikh walk visited 1 properties in 15 ms.
FORMULA Medical-PT-08-UpperBounds-03 1 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[13, 0, 22] Max Struct:[+inf, +inf, +inf]
Starting property specific reduction for Medical-PT-08-UpperBounds-13
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]
[2024-05-24 16:15:39] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10004 steps (2 resets) in 6 ms. (1429 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25] Max Struct:[+inf]
[2024-05-24 16:15:39] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:39] [INFO ] Invariant cache hit.
[2024-05-24 16:15:39] [INFO ] [Real]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:39] [INFO ] [Real]Absence check using state equation in 13 ms returned sat
[2024-05-24 16:15:39] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:39] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-24 16:15:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:39] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:39] [INFO ] [Nat]Absence check using state equation in 14 ms returned sat
[2024-05-24 16:15:39] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-24 16:15:39] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 4 ms.
[2024-05-24 16:15:39] [INFO ] Added : 12 causal constraints over 3 iterations in 23 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25] Max Struct:[+inf]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 5 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 37/37 places, 56/56 transitions.
[2024-05-24 16:15:39] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
Found an invariant !
This invariant on transitions {0=1, 41=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {0=1, 41=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 12 ms. (steps per millisecond=833 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[25] Max Struct:[+inf]
[2024-05-24 16:15:39] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 336 ms. (2967 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 405 ms. (2463 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25] Max Struct:[+inf]
[2024-05-24 16:15:40] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:40] [INFO ] Invariant cache hit.
[2024-05-24 16:15:40] [INFO ] [Real]Absence check using 8 positive place invariants in 1 ms returned sat
[2024-05-24 16:15:40] [INFO ] [Real]Absence check using state equation in 14 ms returned sat
[2024-05-24 16:15:40] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:40] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-24 16:15:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-24 16:15:40] [INFO ] [Nat]Absence check using 8 positive place invariants in 2 ms returned sat
[2024-05-24 16:15:40] [INFO ] [Nat]Absence check using state equation in 10 ms returned sat
[2024-05-24 16:15:40] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-24 16:15:40] [INFO ] Computed and/alt/rep : 44/155/43 causal constraints (skipped 6 transitions) in 3 ms.
[2024-05-24 16:15:40] [INFO ] Added : 12 causal constraints over 3 iterations in 35 ms. Result :sat
Minimization took 11 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25] Max Struct:[+inf]
Support contains 1 out of 37 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 37/37 places, 56/56 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 37/37 places, 56/56 transitions.
Applied a total of 0 rules in 3 ms. Remains 37 /37 variables (removed 0) and now considering 56/56 (removed 0) transitions.
[2024-05-24 16:15:40] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:40] [INFO ] Invariant cache hit.
[2024-05-24 16:15:40] [INFO ] Implicit Places using invariants in 38 ms returned []
[2024-05-24 16:15:40] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:40] [INFO ] Invariant cache hit.
[2024-05-24 16:15:40] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-24 16:15:40] [INFO ] Implicit Places using invariants and state equation in 53 ms returned []
Implicit Place search using SMT with State Equation took 93 ms to find 0 implicit places.
[2024-05-24 16:15:40] [INFO ] Redundant transitions in 1 ms returned []
Running 55 sub problems to find dead transitions.
[2024-05-24 16:15:40] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:40] [INFO ] Invariant cache hit.
[2024-05-24 16:15:40] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 5 (OVERLAPS) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 72 constraints, problems are : Problem set: 0 solved, 55 unsolved in 447 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 55 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/37 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/37 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 2 (OVERLAPS) 50/87 variables, 37/45 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/87 variables, 27/72 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/87 variables, 55/127 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:41] [INFO ] Deduced a trap composed of 4 places in 22 ms of which 2 ms to minimize.
At refinement iteration 5 (INCLUDED_ONLY) 0/87 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 55 unsolved
[2024-05-24 16:15:41] [INFO ] Deduced a trap composed of 8 places in 26 ms of which 1 ms to minimize.
At refinement iteration 6 (INCLUDED_ONLY) 0/87 variables, 1/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
At refinement iteration 8 (OVERLAPS) 0/87 variables, 0/129 constraints. Problems are: Problem set: 0 solved, 55 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 129 constraints, problems are : Problem set: 0 solved, 55 unsolved in 914 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 55/55 constraints, Known Traps: 2/2 constraints]
After SMT, in 1380ms problems are : Problem set: 0 solved, 55 unsolved
Search for dead transitions found 0 dead transitions in 1382ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 1484 ms. Remains : 37/37 places, 56/56 transitions.
[2024-05-24 16:15:41] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
Found an invariant !
This invariant on transitions {0=1, 41=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {0=1, 41=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[25] Max Struct:[+inf]
RANDOM walk for 40013 steps (8 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2264045 steps, run timeout after 3001 ms. (steps per millisecond=754 ) properties seen :0 out of 1
Probabilistic random walk after 2264045 steps, saw 1319747 distinct states, run finished after 3006 ms. (steps per millisecond=753 ) properties seen :0
[2024-05-24 16:15:45] [INFO ] Flow matrix only has 50 transitions (discarded 6 similar events)
[2024-05-24 16:15:45] [INFO ] Invariant cache hit.
[2024-05-24 16:15:45] [INFO ] State equation strengthened by 27 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 23/27 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/28 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/28 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/28 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 37/65 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/65 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/65 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/65 variables, 0/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 22/87 variables, 16/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/87 variables, 4/68 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/87 variables, 4/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/87 variables, 0/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 87/87 variables, and 72 constraints, problems are : Problem set: 0 solved, 1 unsolved in 58 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/4 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (OVERLAPS) 23/27 variables, 6/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/27 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/27 variables, 8/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/27 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 1/28 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/28 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/28 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 37/65 variables, 13/32 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/65 variables, 2/34 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/65 variables, 14/48 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/65 variables, 1/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/65 variables, 0/49 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 22/87 variables, 16/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/87 variables, 4/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/87 variables, 4/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/87 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/87 variables, 0/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 87/87 variables, and 73 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 8/8 constraints, State Equation: 37/37 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 134ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 802 steps, including 6 resets, run visited all 1 properties in 2 ms. (steps per millisecond=401 )
Parikh walk visited 1 properties in 2 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[25] Max Struct:[+inf]
Ending property specific reduction for Medical-PT-08-UpperBounds-13 in 5926 ms.
[2024-05-24 16:15:45] [INFO ] Flatten gal took : 29 ms
[2024-05-24 16:15:45] [INFO ] Export to MCC of 1 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-24 16:15:45] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 37 places, 56 transitions and 275 arcs took 3 ms.
Total runtime 45104 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running Medical-PT-08

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/414/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 37
TRANSITIONS: 56
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.000s, Sys 0.002s]


SAVING FILE /home/mcc/execution/414/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


----------------------------------------------------------------------
GreatSPN/Meddly.
Copyright (C) 1987-2022, University of Torino, Italy.
website: https://github.com/greatspn/SOURCES

Based on MEDDLY version 0.16.0
Copyright (C) 2009, Iowa State University Research Foundation, Inc.
website: http://meddly.sourceforge.net

Process ID: 1010
MODEL NAME: /home/mcc/execution/414/model
37 places, 56 transitions.
Enabling coverability test.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Building monolithic NSF...
Building monolithic NSF...
Building monolithic NSF...
Building monolithic NSF...
Start RS construction.
Start RS construction.
coverability test failed!!
Convergence in 3 steps.
The state space is infinite.
CANNOT_COMPUTE
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716567345957

--------------------
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

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="Medical-PT-08"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
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 greatspnxred"
echo " Input is Medical-PT-08, 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 r223-tall-171649611700541"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/Medical-PT-08.tgz
mv Medical-PT-08 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 '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
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 ;