Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r488-tall-171631133000613.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is DoubleLock-PT-p2s1, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r488-tall-171631133000613
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 480K
-rw-r--r-- 1 mcc users 5.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 57K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.0K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 46K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:48 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:42 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:42 LTLFireability.xml
-rw-r--r-- 1 mcc users 8.9K Apr 12 13:38 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 12 13:38 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 7.9K Apr 12 13:37 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 68K Apr 12 13:37 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.5K May 19 07:11 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.7K May 19 15:25 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 97K May 18 16:42 model.pnml

--------------------
content from stdout:

=== Data for post analysis generated by BenchKit (invocation template)

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-00
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-01
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-02
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-03
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-04
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-05
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-06
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-07
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-08
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-09
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-10
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-11
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-12
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-13
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-14
FORMULA_NAME DoubleLock-PT-p2s1-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717202175163

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=DoubleLock-PT-p2s1
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-06-01 00:36:16] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-06-01 00:36:16] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-06-01 00:36:16] [INFO ] Load time of PNML (sax parser for PT used): 72 ms
[2024-06-01 00:36:16] [INFO ] Transformed 64 places.
[2024-06-01 00:36:16] [INFO ] Transformed 212 transitions.
[2024-06-01 00:36:16] [INFO ] Parsed PT model containing 64 places and 212 transitions and 860 arcs in 162 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Reduction of identical properties reduced properties to check from 16 to 15
Deduced a syphon composed of 8 places in 2 ms
Reduce places removed 8 places and 8 transitions.
FORMULA DoubleLock-PT-p2s1-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:36:16] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
// Phase 1: matrix 152 rows 56 cols
[2024-06-01 00:36:16] [INFO ] Computed 4 invariants in 14 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0] Max Struct:[1, 1, 1, 1, +inf, +inf, +inf, +inf, 1, 1, +inf, +inf, +inf, 1]
FORMULA DoubleLock-PT-p2s1-UpperBounds-10 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 10000 steps (54 resets) in 41 ms. (238 steps per ms)
FORMULA DoubleLock-PT-p2s1-UpperBounds-14 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-09 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-03 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-02 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-01 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-00 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 70007 steps (55 resets) in 83 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[28, 17, 5, 3, 7, 8, 8] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:36:16] [INFO ] Flow matrix only has 152 transitions (discarded 52 similar events)
[2024-06-01 00:36:16] [INFO ] Invariant cache hit.
[2024-06-01 00:36:16] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-06-01 00:36:16] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:36:16] [INFO ] [Real]Absence check using state equation in 49 ms returned sat
[2024-06-01 00:36:16] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:16] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:16] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-06-01 00:36:16] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:36:16] [INFO ] [Nat]Added 27 Read/Feed constraints in 8 ms returned sat
[2024-06-01 00:36:16] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 20 ms.
[2024-06-01 00:36:17] [INFO ] Added : 29 causal constraints over 6 iterations in 109 ms. Result :sat
Minimization took 43 ms.
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:17] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 17 ms.
[2024-06-01 00:36:17] [INFO ] Added : 8 causal constraints over 2 iterations in 53 ms. Result :sat
Minimization took 28 ms.
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:36:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:17] [INFO ] Deduced a trap composed of 14 places in 53 ms of which 11 ms to minimize.
[2024-06-01 00:36:17] [INFO ] Deduced a trap composed of 12 places in 45 ms of which 1 ms to minimize.
[2024-06-01 00:36:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2024-06-01 00:36:17] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 18 ms.
[2024-06-01 00:36:17] [INFO ] Added : 27 causal constraints over 6 iterations in 89 ms. Result :sat
Minimization took 37 ms.
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:17] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-06-01 00:36:17] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:17] [INFO ] Deduced a trap composed of 14 places in 49 ms of which 1 ms to minimize.
[2024-06-01 00:36:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-06-01 00:36:17] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 14 ms.
[2024-06-01 00:36:17] [INFO ] Added : 17 causal constraints over 4 iterations in 64 ms. Result :sat
Minimization took 30 ms.
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:18] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 18 ms.
[2024-06-01 00:36:18] [INFO ] Added : 38 causal constraints over 8 iterations in 113 ms. Result :sat
Minimization took 39 ms.
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:18] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-06-01 00:36:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-06-01 00:36:18] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 21 ms.
[2024-06-01 00:36:18] [INFO ] Added : 10 causal constraints over 3 iterations in 62 ms. Result :sat
Minimization took 31 ms.
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:18] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-06-01 00:36:18] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:18] [INFO ] Deduced a trap composed of 14 places in 48 ms of which 1 ms to minimize.
[2024-06-01 00:36:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-06-01 00:36:18] [INFO ] Computed and/alt/rep : 67/466/67 causal constraints (skipped 83 transitions) in 12 ms.
[2024-06-01 00:36:18] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 0 ms to minimize.
[2024-06-01 00:36:18] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-06-01 00:36:18] [INFO ] Deduced a trap composed of 31 places in 40 ms of which 1 ms to minimize.
[2024-06-01 00:36:18] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 185 ms
[2024-06-01 00:36:18] [INFO ] Added : 18 causal constraints over 4 iterations in 260 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[28, 17, 5, 3, 7, 8, 8] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[30, 17, 7, 10, 7, 8, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 56 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 56/56 places, 204/204 transitions.
Graph (complete) has 357 edges and 56 vertex of which 53 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 5 place count 53 transition count 200
Applied a total of 5 rules in 25 ms. Remains 53 /56 variables (removed 3) and now considering 200/204 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 53/56 places, 200/204 transitions.
[2024-06-01 00:36:19] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 50 ms. (steps per millisecond=200 ) properties (out of 7) seen :[108, 8, 6, 6, 5, 10, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[108, 17, 7, 10, 7, 10, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:36:19] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
// Phase 1: matrix 148 rows 53 cols
[2024-06-01 00:36:19] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[108, 17, 7, 10, 7, 10, 10] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1668 ms. (599 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 3091 ms. (2263 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9459, 18, 1701, 11, 1506, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:36:24] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:36:24] [INFO ] Invariant cache hit.
[2024-06-01 00:36:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:24] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-06-01 00:36:24] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:24] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:24] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:36:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:24] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
[2024-06-01 00:36:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2024-06-01 00:36:24] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 13 ms.
[2024-06-01 00:36:24] [INFO ] Added : 34 causal constraints over 7 iterations in 96 ms. Result :sat
Minimization took 41 ms.
[2024-06-01 00:36:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:24] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:24] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:24] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:24] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-06-01 00:36:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:24] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 1 ms to minimize.
[2024-06-01 00:36:24] [INFO ] Deduced a trap composed of 13 places in 39 ms of which 1 ms to minimize.
[2024-06-01 00:36:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 100 ms
[2024-06-01 00:36:24] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 16 ms.
[2024-06-01 00:36:24] [INFO ] Added : 9 causal constraints over 2 iterations in 59 ms. Result :sat
Minimization took 37 ms.
[2024-06-01 00:36:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:24] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:24] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:25] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 16 ms.
[2024-06-01 00:36:25] [INFO ] Added : 19 causal constraints over 5 iterations in 69 ms. Result :sat
Minimization took 38 ms.
[2024-06-01 00:36:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Real]Added 27 Read/Feed constraints in 11 ms returned sat
[2024-06-01 00:36:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:25] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 1 ms to minimize.
[2024-06-01 00:36:25] [INFO ] Deduced a trap composed of 11 places in 39 ms of which 1 ms to minimize.
[2024-06-01 00:36:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2024-06-01 00:36:25] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:36:25] [INFO ] Added : 50 causal constraints over 10 iterations in 123 ms. Result :sat
Minimization took 95 ms.
[2024-06-01 00:36:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:36:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:25] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 1 ms to minimize.
[2024-06-01 00:36:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-06-01 00:36:25] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 21 ms.
[2024-06-01 00:36:25] [INFO ] Added : 10 causal constraints over 2 iterations in 49 ms. Result :sat
Minimization took 36 ms.
[2024-06-01 00:36:25] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:25] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:26] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-06-01 00:36:26] [INFO ] Added : 38 causal constraints over 9 iterations in 125 ms. Result :sat
Minimization took 48 ms.
[2024-06-01 00:36:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:26] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:36:26] [INFO ] [Real]Added 27 Read/Feed constraints in 8 ms returned sat
[2024-06-01 00:36:26] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:26] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:26] [INFO ] [Nat]Added 27 Read/Feed constraints in 13 ms returned sat
[2024-06-01 00:36:26] [INFO ] Deduced a trap composed of 11 places in 47 ms of which 1 ms to minimize.
[2024-06-01 00:36:26] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 0 ms to minimize.
[2024-06-01 00:36:26] [INFO ] Deduced a trap composed of 27 places in 40 ms of which 1 ms to minimize.
[2024-06-01 00:36:26] [INFO ] Deduced a trap composed of 13 places in 41 ms of which 0 ms to minimize.
[2024-06-01 00:36:26] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 204 ms
[2024-06-01 00:36:26] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:36:26] [INFO ] Added : 30 causal constraints over 7 iterations in 87 ms. Result :sat
Minimization took 43 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9459, 18, 1701, 11, 1506, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[34475, 18, 34352, 11, 1506, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 6 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 53/53 places, 200/200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 6 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2024-06-01 00:36:40] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:36:40] [INFO ] Invariant cache hit.
[2024-06-01 00:36:40] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-06-01 00:36:40] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:36:40] [INFO ] Invariant cache hit.
[2024-06-01 00:36:40] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:36:40] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
[2024-06-01 00:36:40] [INFO ] Redundant transitions in 6 ms returned []
Running 198 sub problems to find dead transitions.
[2024-06-01 00:36:40] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:36:40] [INFO ] Invariant cache hit.
[2024-06-01 00:36:40] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 83 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3763 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 186/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 9 (OVERLAPS) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 281 constraints, problems are : Problem set: 0 solved, 198 unsolved in 4740 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 8676ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 8686ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8853 ms. Remains : 53/53 places, 200/200 transitions.
[2024-06-01 00:36:49] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 7) seen :[107, 7, 5, 7, 5, 12, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[34475, 18, 34352, 11, 1506, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:36:49] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:36:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[34475, 18, 34352, 11, 1506, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1553 ms. (643 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 3072 ms. (2277 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[34475, 20, 34352, 13, 1614, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:36:54] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:36:54] [INFO ] Invariant cache hit.
[2024-06-01 00:36:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-06-01 00:36:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-06-01 00:36:54] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:36:54] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:36:54] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
[2024-06-01 00:36:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-06-01 00:36:54] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:36:54] [INFO ] Added : 34 causal constraints over 7 iterations in 97 ms. Result :sat
Minimization took 46 ms.
[2024-06-01 00:36:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:54] [INFO ] Deduced a trap composed of 13 places in 44 ms of which 1 ms to minimize.
[2024-06-01 00:36:54] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 1 ms to minimize.
[2024-06-01 00:36:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 101 ms
[2024-06-01 00:36:54] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:36:54] [INFO ] Added : 9 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 33 ms.
[2024-06-01 00:36:54] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:54] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-06-01 00:36:54] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:54] [INFO ] Deduced a trap composed of 29 places in 45 ms of which 1 ms to minimize.
[2024-06-01 00:36:54] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-06-01 00:36:54] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:36:54] [INFO ] Added : 30 causal constraints over 7 iterations in 90 ms. Result :sat
Minimization took 43 ms.
[2024-06-01 00:36:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:55] [INFO ] Deduced a trap composed of 12 places in 43 ms of which 1 ms to minimize.
[2024-06-01 00:36:55] [INFO ] Deduced a trap composed of 14 places in 43 ms of which 1 ms to minimize.
[2024-06-01 00:36:55] [INFO ] Deduced a trap composed of 11 places in 36 ms of which 1 ms to minimize.
[2024-06-01 00:36:55] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 145 ms
[2024-06-01 00:36:55] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:36:55] [INFO ] Added : 47 causal constraints over 10 iterations in 124 ms. Result :sat
Minimization took 49 ms.
[2024-06-01 00:36:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:36:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:55] [INFO ] Deduced a trap composed of 11 places in 40 ms of which 0 ms to minimize.
[2024-06-01 00:36:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2024-06-01 00:36:55] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-06-01 00:36:55] [INFO ] Added : 10 causal constraints over 2 iterations in 37 ms. Result :sat
Minimization took 38 ms.
[2024-06-01 00:36:55] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:55] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:55] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:55] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-06-01 00:36:55] [INFO ] Added : 38 causal constraints over 9 iterations in 122 ms. Result :sat
Minimization took 51 ms.
[2024-06-01 00:36:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:56] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:36:56] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:36:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:36:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:36:56] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:36:56] [INFO ] [Nat]Added 27 Read/Feed constraints in 12 ms returned sat
[2024-06-01 00:36:56] [INFO ] Deduced a trap composed of 11 places in 38 ms of which 0 ms to minimize.
[2024-06-01 00:36:56] [INFO ] Deduced a trap composed of 14 places in 44 ms of which 0 ms to minimize.
[2024-06-01 00:36:56] [INFO ] Deduced a trap composed of 27 places in 41 ms of which 1 ms to minimize.
[2024-06-01 00:36:56] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 0 ms to minimize.
[2024-06-01 00:36:56] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 203 ms
[2024-06-01 00:36:56] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 11 ms.
[2024-06-01 00:36:56] [INFO ] Added : 30 causal constraints over 7 iterations in 84 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[34475, 20, 34352, 13, 1614, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[624542, 20, 36313, 13, 1614, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 7 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 53/53 places, 200/200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 7 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2024-06-01 00:38:00] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:00] [INFO ] Invariant cache hit.
[2024-06-01 00:38:00] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-01 00:38:00] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:00] [INFO ] Invariant cache hit.
[2024-06-01 00:38:00] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:38:00] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 135 ms to find 0 implicit places.
[2024-06-01 00:38:00] [INFO ] Redundant transitions in 6 ms returned []
Running 198 sub problems to find dead transitions.
[2024-06-01 00:38:00] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:00] [INFO ] Invariant cache hit.
[2024-06-01 00:38:00] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 83 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3686 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 186/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 9 (OVERLAPS) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 281 constraints, problems are : Problem set: 0 solved, 198 unsolved in 4754 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 8574ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 8581ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8740 ms. Remains : 53/53 places, 200/200 transitions.
[2024-06-01 00:38:09] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 7) seen :[102, 5, 4, 6, 5, 25, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[624542, 20, 36313, 13, 1614, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:38:09] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[624542, 20, 36313, 13, 1614, 1349, 13] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1518 ms. (658 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 3071 ms. (2278 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[624542, 20, 36313, 14, 1614, 1486, 15] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:38:13] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:13] [INFO ] Invariant cache hit.
[2024-06-01 00:38:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:13] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:13] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:38:13] [INFO ] [Real]Added 27 Read/Feed constraints in 8 ms returned sat
[2024-06-01 00:38:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:13] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:38:13] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:13] [INFO ] Deduced a trap composed of 29 places in 38 ms of which 1 ms to minimize.
[2024-06-01 00:38:13] [INFO ] Deduced a trap composed of 11 places in 35 ms of which 0 ms to minimize.
[2024-06-01 00:38:13] [INFO ] Deduced a trap composed of 11 places in 33 ms of which 1 ms to minimize.
[2024-06-01 00:38:13] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 132 ms
[2024-06-01 00:38:13] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:38:14] [INFO ] Added : 31 causal constraints over 7 iterations in 82 ms. Result :sat
Minimization took 41 ms.
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:38:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:38:14] [INFO ] Deduced a trap composed of 13 places in 45 ms of which 0 ms to minimize.
[2024-06-01 00:38:14] [INFO ] Deduced a trap composed of 13 places in 42 ms of which 5 ms to minimize.
[2024-06-01 00:38:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 98 ms
[2024-06-01 00:38:14] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 7 ms.
[2024-06-01 00:38:14] [INFO ] Added : 9 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 35 ms.
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:38:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Nat]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:38:14] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-06-01 00:38:14] [INFO ] Added : 19 causal constraints over 5 iterations in 59 ms. Result :sat
Minimization took 37 ms.
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:38:14] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-06-01 00:38:14] [INFO ] Added : 51 causal constraints over 11 iterations in 128 ms. Result :sat
Minimization took 51 ms.
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:38:14] [INFO ] [Real]Added 27 Read/Feed constraints in 8 ms returned sat
[2024-06-01 00:38:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:38:15] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 0 ms to minimize.
[2024-06-01 00:38:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-06-01 00:38:15] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 10 ms.
[2024-06-01 00:38:15] [INFO ] Added : 10 causal constraints over 2 iterations in 35 ms. Result :sat
Minimization took 35 ms.
[2024-06-01 00:38:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:15] [INFO ] Deduced a trap composed of 11 places in 43 ms of which 0 ms to minimize.
[2024-06-01 00:38:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2024-06-01 00:38:15] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 9 ms.
[2024-06-01 00:38:15] [INFO ] Added : 40 causal constraints over 9 iterations in 98 ms. Result :sat
Minimization took 43 ms.
[2024-06-01 00:38:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:15] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:15] [INFO ] Deduced a trap composed of 11 places in 45 ms of which 1 ms to minimize.
[2024-06-01 00:38:15] [INFO ] Deduced a trap composed of 14 places in 37 ms of which 1 ms to minimize.
[2024-06-01 00:38:15] [INFO ] Deduced a trap composed of 27 places in 44 ms of which 1 ms to minimize.
[2024-06-01 00:38:15] [INFO ] Deduced a trap composed of 13 places in 43 ms of which 1 ms to minimize.
[2024-06-01 00:38:15] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 199 ms
[2024-06-01 00:38:15] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 9 ms.
[2024-06-01 00:38:15] [INFO ] Added : 44 causal constraints over 9 iterations in 107 ms. Result :sat
Minimization took 51 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[624542, 20, 36313, 14, 1614, 1486, 15] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[624542, 55, 36313, 18, 1614, 1486, 15] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 5 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 53/53 places, 200/200 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Applied a total of 0 rules in 5 ms. Remains 53 /53 variables (removed 0) and now considering 200/200 (removed 0) transitions.
[2024-06-01 00:38:19] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:19] [INFO ] Invariant cache hit.
[2024-06-01 00:38:19] [INFO ] Implicit Places using invariants in 47 ms returned []
[2024-06-01 00:38:19] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:19] [INFO ] Invariant cache hit.
[2024-06-01 00:38:19] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:38:19] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
[2024-06-01 00:38:19] [INFO ] Redundant transitions in 2 ms returned []
Running 198 sub problems to find dead transitions.
[2024-06-01 00:38:19] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:19] [INFO ] Invariant cache hit.
[2024-06-01 00:38:19] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (OVERLAPS) 1/201 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (OVERLAPS) 0/201 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 83 constraints, problems are : Problem set: 0 solved, 198 unsolved in 3665 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 198 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/52 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/52 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 2 (OVERLAPS) 148/200 variables, 52/55 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/200 variables, 27/82 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/200 variables, 12/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/200 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 6 (OVERLAPS) 1/201 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/201 variables, 186/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
At refinement iteration 9 (OVERLAPS) 0/201 variables, 0/281 constraints. Problems are: Problem set: 0 solved, 198 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 281 constraints, problems are : Problem set: 0 solved, 198 unsolved in 4648 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 53/53 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 198/198 constraints, Known Traps: 0/0 constraints]
After SMT, in 8411ms problems are : Problem set: 0 solved, 198 unsolved
Search for dead transitions found 0 dead transitions in 8413ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8567 ms. Remains : 53/53 places, 200/200 transitions.
[2024-06-01 00:38:28] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 91=1, 92=1, 142=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 7) seen :[2147483647, 10, 2147483647, 5, 2147483647, 12, 8]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 55, +inf, 18, +inf, 1486, 15] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-06-01 00:38:28] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 55, +inf, 18, +inf, 1486, 15] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1509 ms. (662 steps per ms)
FORMULA DoubleLock-PT-p2s1-UpperBounds-11 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-07 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA DoubleLock-PT-p2s1-UpperBounds-04 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4000004 steps (8 resets) in 1684 ms. (2373 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[55, 18, 1486, 15] Max Struct:[+inf, +inf, +inf, +inf]
[2024-06-01 00:38:31] [INFO ] Flow matrix only has 148 transitions (discarded 52 similar events)
[2024-06-01 00:38:31] [INFO ] Invariant cache hit.
[2024-06-01 00:38:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:31] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-06-01 00:38:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:31] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:31] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-06-01 00:38:31] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:31] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 9 ms.
[2024-06-01 00:38:31] [INFO ] Added : 9 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 32 ms.
[2024-06-01 00:38:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:31] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:38:31] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:31] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:38:31] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:31] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-06-01 00:38:32] [INFO ] Added : 52 causal constraints over 11 iterations in 127 ms. Result :sat
Minimization took 50 ms.
[2024-06-01 00:38:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:32] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:32] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:32] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:32] [INFO ] Deduced a trap composed of 11 places in 42 ms of which 1 ms to minimize.
[2024-06-01 00:38:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-06-01 00:38:32] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 8 ms.
[2024-06-01 00:38:32] [INFO ] Added : 40 causal constraints over 9 iterations in 100 ms. Result :sat
Minimization took 44 ms.
[2024-06-01 00:38:32] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:38:32] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:38:32] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:38:32] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:32] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:38:32] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:32] [INFO ] Deduced a trap composed of 11 places in 41 ms of which 1 ms to minimize.
[2024-06-01 00:38:32] [INFO ] Deduced a trap composed of 14 places in 38 ms of which 1 ms to minimize.
[2024-06-01 00:38:32] [INFO ] Deduced a trap composed of 27 places in 43 ms of which 0 ms to minimize.
[2024-06-01 00:38:32] [INFO ] Deduced a trap composed of 13 places in 38 ms of which 1 ms to minimize.
[2024-06-01 00:38:32] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 190 ms
[2024-06-01 00:38:32] [INFO ] Computed and/alt/rep : 65/458/65 causal constraints (skipped 81 transitions) in 9 ms.
[2024-06-01 00:38:32] [INFO ] Added : 44 causal constraints over 9 iterations in 103 ms. Result :sat
Minimization took 48 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[55, 18, 1486, 15] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[55, 18, 1486, 16] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 53 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 53/53 places, 200/200 transitions.
Graph (complete) has 342 edges and 53 vertex of which 52 are kept as prefixes of interest. Removing 1 places using SCC suffix rule.1 ms
Discarding 1 places :
Also discarding 0 output transitions
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 2 place count 51 transition count 196
Iterating global reduction 0 with 1 rules applied. Total rules applied 3 place count 51 transition count 196
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 4 place count 50 transition count 192
Iterating global reduction 0 with 1 rules applied. Total rules applied 5 place count 50 transition count 192
Applied a total of 5 rules in 19 ms. Remains 50 /53 variables (removed 3) and now considering 192/200 (removed 8) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 50/53 places, 192/200 transitions.
[2024-06-01 00:38:34] [INFO ] Flow matrix only has 143 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 24=1, 94=1, 95=1, 141=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 24=1, 88=1, 89=1, 136=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 4) seen :[9, 5, 2147483647, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[55, 18, +inf, 16] Max Struct:[+inf, +inf, +inf, +inf]
[2024-06-01 00:38:34] [INFO ] Flow matrix only has 143 transitions (discarded 49 similar events)
// Phase 1: matrix 143 rows 50 cols
[2024-06-01 00:38:34] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[55, 18, +inf, 16] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1432 ms. (697 steps per ms)
FORMULA DoubleLock-PT-p2s1-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 3000003 steps (6 resets) in 1168 ms. (2566 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
[2024-06-01 00:38:37] [INFO ] Flow matrix only has 143 transitions (discarded 49 similar events)
[2024-06-01 00:38:37] [INFO ] Invariant cache hit.
[2024-06-01 00:38:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:37] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:38:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:37] [INFO ] Deduced a trap composed of 14 places in 42 ms of which 1 ms to minimize.
[2024-06-01 00:38:37] [INFO ] Deduced a trap composed of 13 places in 37 ms of which 0 ms to minimize.
[2024-06-01 00:38:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2024-06-01 00:38:37] [INFO ] Computed and/alt/rep : 61/422/61 causal constraints (skipped 80 transitions) in 8 ms.
[2024-06-01 00:38:37] [INFO ] Added : 8 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 30 ms.
[2024-06-01 00:38:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:37] [INFO ] Deduced a trap composed of 21 places in 39 ms of which 1 ms to minimize.
[2024-06-01 00:38:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2024-06-01 00:38:37] [INFO ] Computed and/alt/rep : 61/422/61 causal constraints (skipped 80 transitions) in 8 ms.
[2024-06-01 00:38:37] [INFO ] Added : 29 causal constraints over 6 iterations in 65 ms. Result :sat
Minimization took 37 ms.
[2024-06-01 00:38:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:38:37] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:38:37] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:37] [INFO ] Deduced a trap composed of 25 places in 45 ms of which 0 ms to minimize.
[2024-06-01 00:38:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-06-01 00:38:37] [INFO ] Computed and/alt/rep : 61/422/61 causal constraints (skipped 80 transitions) in 12 ms.
[2024-06-01 00:38:38] [INFO ] Added : 40 causal constraints over 10 iterations in 105 ms. Result :sat
Minimization took 44 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 50 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 50/50 places, 192/192 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 49 transition count 188
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 49 transition count 188
Applied a total of 2 rules in 6 ms. Remains 49 /50 variables (removed 1) and now considering 188/192 (removed 4) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 49/50 places, 188/192 transitions.
[2024-06-01 00:38:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 3) seen :[9, 5, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
[2024-06-01 00:38:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2024-06-01 00:38:38] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1353 ms. (738 steps per ms)
BEST_FIRST walk for 3000002 steps (6 resets) in 1145 ms. (2617 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
[2024-06-01 00:38:40] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:40] [INFO ] Invariant cache hit.
[2024-06-01 00:38:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:40] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:40] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:38:40] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:38:40] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:40] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:40] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-06-01 00:38:40] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 7 ms.
[2024-06-01 00:38:40] [INFO ] Added : 10 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 28 ms.
[2024-06-01 00:38:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:41] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 14 ms.
[2024-06-01 00:38:41] [INFO ] Added : 28 causal constraints over 6 iterations in 75 ms. Result :sat
Minimization took 36 ms.
[2024-06-01 00:38:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:38:41] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:38:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:38:41] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:38:41] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 9 ms.
[2024-06-01 00:38:41] [INFO ] Added : 16 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
Support contains 3 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:38:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:41] [INFO ] Invariant cache hit.
[2024-06-01 00:38:41] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-06-01 00:38:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:41] [INFO ] Invariant cache hit.
[2024-06-01 00:38:41] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:38:41] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
[2024-06-01 00:38:41] [INFO ] Redundant transitions in 2 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:38:41] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:41] [INFO ] Invariant cache hit.
[2024-06-01 00:38:41] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1794 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4848 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6739ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6742ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6879 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:38:48] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 3) seen :[6, 6, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 859 ms. (46 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 157 ms. (253 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 159 ms. (250 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 605301 steps, run timeout after 3001 ms. (steps per millisecond=201 ) properties seen :0 out of 3
Probabilistic random walk after 605301 steps, saw 381806 distinct states, run finished after 3004 ms. (steps per millisecond=201 ) properties seen :0
[2024-06-01 00:38:51] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:51] [INFO ] Invariant cache hit.
[2024-06-01 00:38:51] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 15/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 124/142 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/142 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 12/154 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 34/188 variables, 30/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 3 unsolved in 102 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 15/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 124/142 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/142 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/142 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 12/154 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 34/188 variables, 30/59 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/188 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 81 constraints, problems are : Problem set: 0 solved, 3 unsolved in 115 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 222ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 1030 ms.
Support contains 3 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40000 steps (8 resets) in 112 ms. (353 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40003 steps (8 resets) in 67 ms. (588 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 47 ms. (833 steps per ms) remains 3/3 properties
BEST_FIRST walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 3/3 properties
Interrupted probabilistic random walk after 634440 steps, run timeout after 3001 ms. (steps per millisecond=211 ) properties seen :0 out of 3
Probabilistic random walk after 634440 steps, saw 398107 distinct states, run finished after 3001 ms. (steps per millisecond=211 ) properties seen :0
[2024-06-01 00:38:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:56] [INFO ] Invariant cache hit.
[2024-06-01 00:38:56] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 15/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 124/142 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/142 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (OVERLAPS) 12/154 variables, 1/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/154 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (OVERLAPS) 34/188 variables, 30/57 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 3 unsolved in 107 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 3 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/3 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 1 (OVERLAPS) 15/18 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/18 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 3 (OVERLAPS) 124/142 variables, 16/19 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/142 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/142 variables, 6/26 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/142 variables, 2/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/142 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 8 (OVERLAPS) 12/154 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/154 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 10 (OVERLAPS) 34/188 variables, 30/59 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/60 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/80 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
At refinement iteration 15 (OVERLAPS) 0/188 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 3 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 81 constraints, problems are : Problem set: 0 solved, 3 unsolved in 138 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 3/3 constraints, Known Traps: 0/0 constraints]
After SMT, in 248ms problems are : Problem set: 0 solved, 3 unsolved
Fused 3 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 969 ms.
Support contains 3 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:38:57] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:57] [INFO ] Invariant cache hit.
[2024-06-01 00:38:57] [INFO ] Implicit Places using invariants in 39 ms returned []
[2024-06-01 00:38:57] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:57] [INFO ] Invariant cache hit.
[2024-06-01 00:38:57] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:38:57] [INFO ] Implicit Places using invariants and state equation in 83 ms returned []
Implicit Place search using SMT with State Equation took 123 ms to find 0 implicit places.
[2024-06-01 00:38:57] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:38:57] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:38:57] [INFO ] Invariant cache hit.
[2024-06-01 00:38:57] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1811 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4668 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6567ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6570ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6702 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 9 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 9 Pre rules applied. Total rules applied 49 place count 49 transition count 130
Deduced a syphon composed of 9 places in 1 ms
Reduce places removed 9 places and 0 transitions.
Iterating global reduction 1 with 18 rules applied. Total rules applied 67 place count 40 transition count 130
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 69 place count 39 transition count 129
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 70 place count 38 transition count 125
Iterating global reduction 1 with 1 rules applied. Total rules applied 71 place count 38 transition count 125
Applied a total of 71 rules in 21 ms. Remains 38 /49 variables (removed 11) and now considering 125/188 (removed 63) transitions.
Running SMT prover for 3 properties.
// Phase 1: matrix 125 rows 38 cols
[2024-06-01 00:39:04] [INFO ] Computed 3 invariants in 2 ms
[2024-06-01 00:39:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:04] [INFO ] After 51ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:3
[2024-06-01 00:39:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:04] [INFO ] After 28ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :3
TRAPS : Iteration 0
[2024-06-01 00:39:04] [INFO ] Deduced a trap composed of 12 places in 32 ms of which 1 ms to minimize.
[2024-06-01 00:39:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 38 ms
TRAPS : Iteration 1
[2024-06-01 00:39:04] [INFO ] After 94ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :3
[2024-06-01 00:39:04] [INFO ] After 128ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :3
Over-approximation ignoring read arcs solved 0 properties in 216 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[55, 18, 16] Max Struct:[+inf, +inf, +inf]
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:39:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2024-06-01 00:39:04] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 17 ms. (555 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19] Max Struct:[+inf]
[2024-06-01 00:39:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:04] [INFO ] Invariant cache hit.
[2024-06-01 00:39:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:04] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:04] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:04] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:39:04] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:04] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:04] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:39:04] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-06-01 00:39:04] [INFO ] Added : 10 causal constraints over 2 iterations in 39 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:39:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[19] Max Struct:[+inf]
[2024-06-01 00:39:04] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[19] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1367 ms. (730 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 389 ms. (2564 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[19] Max Struct:[+inf]
[2024-06-01 00:39:06] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:06] [INFO ] Invariant cache hit.
[2024-06-01 00:39:06] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:06] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:06] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:06] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:39:06] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:06] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:06] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-06-01 00:39:06] [INFO ] [Nat]Added 26 Read/Feed constraints in 4 ms returned sat
[2024-06-01 00:39:06] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-06-01 00:39:06] [INFO ] Added : 10 causal constraints over 2 iterations in 31 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[19] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[19] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:39:06] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:06] [INFO ] Invariant cache hit.
[2024-06-01 00:39:06] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-06-01 00:39:06] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:06] [INFO ] Invariant cache hit.
[2024-06-01 00:39:06] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:06] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
[2024-06-01 00:39:06] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:39:06] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:06] [INFO ] Invariant cache hit.
[2024-06-01 00:39:06] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1750 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4732 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6568ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6573ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6715 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:39:13] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[19] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
BEST_FIRST walk for 31197 steps (6 resets) in 33 ms. (917 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[19] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-05 in 9111 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-06-01 00:39:13] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2024-06-01 00:39:13] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:13] [INFO ] Invariant cache hit.
[2024-06-01 00:39:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:39:13] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:13] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:13] [INFO ] [Real]Added 26 Read/Feed constraints in 12 ms returned sat
[2024-06-01 00:39:13] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:13] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:13] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:39:13] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 1 ms to minimize.
[2024-06-01 00:39:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-06-01 00:39:13] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 6 ms.
[2024-06-01 00:39:13] [INFO ] Added : 13 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:39:13] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[10] Max Struct:[+inf]
[2024-06-01 00:39:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:14] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1382 ms. (723 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 395 ms. (2525 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-06-01 00:39:15] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:15] [INFO ] Invariant cache hit.
[2024-06-01 00:39:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:15] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:15] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:15] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:39:15] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:15] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:15] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:39:15] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-06-01 00:39:15] [INFO ] Added : 26 causal constraints over 6 iterations in 75 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 7 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 7 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:39:16] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:16] [INFO ] Invariant cache hit.
[2024-06-01 00:39:16] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-01 00:39:16] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:16] [INFO ] Invariant cache hit.
[2024-06-01 00:39:16] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:16] [INFO ] Implicit Places using invariants and state equation in 86 ms returned []
Implicit Place search using SMT with State Equation took 133 ms to find 0 implicit places.
[2024-06-01 00:39:16] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:39:16] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:16] [INFO ] Invariant cache hit.
[2024-06-01 00:39:16] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1811 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4862 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6771ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6773ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6923 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:39:22] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-06-01 00:39:23] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1372 ms. (728 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 395 ms. (2525 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13] Max Struct:[+inf]
[2024-06-01 00:39:24] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:24] [INFO ] Invariant cache hit.
[2024-06-01 00:39:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:24] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:39:24] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:24] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:39:24] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:24] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:24] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:39:24] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-06-01 00:39:25] [INFO ] Added : 26 causal constraints over 6 iterations in 77 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:39:25] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:25] [INFO ] Invariant cache hit.
[2024-06-01 00:39:25] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-06-01 00:39:25] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:25] [INFO ] Invariant cache hit.
[2024-06-01 00:39:25] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:25] [INFO ] Implicit Places using invariants and state equation in 88 ms returned []
Implicit Place search using SMT with State Equation took 144 ms to find 0 implicit places.
[2024-06-01 00:39:25] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:39:25] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:25] [INFO ] Invariant cache hit.
[2024-06-01 00:39:25] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1819 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4867 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6776ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6777ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6930 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:39:32] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 103 ms. (384 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2112473 steps, run timeout after 3001 ms. (steps per millisecond=703 ) properties seen :0 out of 1
Probabilistic random walk after 2112473 steps, saw 1348913 distinct states, run finished after 3001 ms. (steps per millisecond=703 ) properties seen :0
[2024-06-01 00:39:35] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:35] [INFO ] Invariant cache hit.
[2024-06-01 00:39:35] [INFO ] State equation strengthened by 26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 59 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 133ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40000 steps (8 resets) in 86 ms. (459 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2199781 steps, run timeout after 3001 ms. (steps per millisecond=733 ) properties seen :0 out of 1
Probabilistic random walk after 2199781 steps, saw 1403387 distinct states, run finished after 3001 ms. (steps per millisecond=733 ) properties seen :0
[2024-06-01 00:39:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:38] [INFO ] Invariant cache hit.
[2024-06-01 00:39:38] [INFO ] State equation strengthened by 26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/150 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/150 variables, 5/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 38/188 variables, 33/56 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 21/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 127/133 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/133 variables, 5/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/133 variables, 1/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/133 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/150 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/150 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/150 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 38/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 21/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 135ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 7 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:39:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:38] [INFO ] Invariant cache hit.
[2024-06-01 00:39:38] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-06-01 00:39:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:38] [INFO ] Invariant cache hit.
[2024-06-01 00:39:38] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:38] [INFO ] Implicit Places using invariants and state equation in 85 ms returned []
Implicit Place search using SMT with State Equation took 131 ms to find 0 implicit places.
[2024-06-01 00:39:38] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:39:38] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:38] [INFO ] Invariant cache hit.
[2024-06-01 00:39:38] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1795 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4738 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6617ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6618ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6758 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 11 Pre rules applied. Total rules applied 49 place count 49 transition count 128
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 1 with 22 rules applied. Total rules applied 71 place count 38 transition count 128
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 1 with 2 rules applied. Total rules applied 73 place count 37 transition count 127
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 36 transition count 123
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 36 transition count 123
Applied a total of 75 rules in 13 ms. Remains 36 /49 variables (removed 13) and now considering 123/188 (removed 65) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 123 rows 36 cols
[2024-06-01 00:39:45] [INFO ] Computed 3 invariants in 1 ms
[2024-06-01 00:39:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:45] [INFO ] After 44ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-01 00:39:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:45] [INFO ] After 29ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-01 00:39:45] [INFO ] After 40ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-01 00:39:45] [INFO ] After 63ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 123 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[13] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-08 in 31846 ms.
Starting property specific reduction for DoubleLock-PT-p2s1-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]
[2024-06-01 00:39:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
// Phase 1: matrix 139 rows 49 cols
[2024-06-01 00:39:45] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 19 ms. (500 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:[11] Max Struct:[+inf]
[2024-06-01 00:39:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:45] [INFO ] Invariant cache hit.
[2024-06-01 00:39:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:39:45] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-06-01 00:39:45] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:39:45] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-06-01 00:39:45] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:45] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:39:45] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 7 ms.
[2024-06-01 00:39:45] [INFO ] Added : 28 causal constraints over 6 iterations in 72 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:39:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
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 :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2024-06-01 00:39:45] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1347 ms. (741 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 394 ms. (2531 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[14] Max Struct:[+inf]
[2024-06-01 00:39:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:47] [INFO ] Invariant cache hit.
[2024-06-01 00:39:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:47] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:39:47] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:47] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:39:47] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-06-01 00:39:47] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:47] [INFO ] [Nat]Added 26 Read/Feed constraints in 7 ms returned sat
[2024-06-01 00:39:47] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 9 ms.
[2024-06-01 00:39:47] [INFO ] Added : 16 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[14] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[14] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:39:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:47] [INFO ] Invariant cache hit.
[2024-06-01 00:39:47] [INFO ] Implicit Places using invariants in 46 ms returned []
[2024-06-01 00:39:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:47] [INFO ] Invariant cache hit.
[2024-06-01 00:39:47] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:47] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 129 ms to find 0 implicit places.
[2024-06-01 00:39:47] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:39:47] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:47] [INFO ] Invariant cache hit.
[2024-06-01 00:39:47] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1747 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4738 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6579ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6583ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6724 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:39:54] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
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 :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[14] Max Struct:[+inf]
[2024-06-01 00:39:54] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[14] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1365 ms. (732 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 399 ms. (2500 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[15] Max Struct:[+inf]
[2024-06-01 00:39:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:56] [INFO ] Invariant cache hit.
[2024-06-01 00:39:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:56] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:39:56] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:39:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:39:56] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:39:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:56] [INFO ] [Nat]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:39:56] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 7 ms.
[2024-06-01 00:39:56] [INFO ] Added : 36 causal constraints over 8 iterations in 89 ms. Result :sat
Minimization took 40 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:39:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:56] [INFO ] Invariant cache hit.
[2024-06-01 00:39:56] [INFO ] Implicit Places using invariants in 45 ms returned []
[2024-06-01 00:39:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:56] [INFO ] Invariant cache hit.
[2024-06-01 00:39:56] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:39:56] [INFO ] Implicit Places using invariants and state equation in 79 ms returned []
Implicit Place search using SMT with State Equation took 124 ms to find 0 implicit places.
[2024-06-01 00:39:56] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:39:56] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:39:56] [INFO ] Invariant cache hit.
[2024-06-01 00:39:56] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1775 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4772 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6633ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6635ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6769 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:40:03] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 13 ms. (steps per millisecond=769 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[15] Max Struct:[+inf]
[2024-06-01 00:40:03] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[15] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1377 ms. (725 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 394 ms. (2531 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2024-06-01 00:40:05] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:05] [INFO ] Invariant cache hit.
[2024-06-01 00:40:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:40:05] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:40:05] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:40:05] [INFO ] [Real]Added 26 Read/Feed constraints in 5 ms returned sat
[2024-06-01 00:40:05] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:40:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:40:05] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-06-01 00:40:05] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:40:05] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 9 ms.
[2024-06-01 00:40:05] [INFO ] Added : 16 causal constraints over 4 iterations in 42 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:40:05] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:05] [INFO ] Invariant cache hit.
[2024-06-01 00:40:05] [INFO ] Implicit Places using invariants in 43 ms returned []
[2024-06-01 00:40:05] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:05] [INFO ] Invariant cache hit.
[2024-06-01 00:40:05] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:40:05] [INFO ] Implicit Places using invariants and state equation in 82 ms returned []
Implicit Place search using SMT with State Equation took 127 ms to find 0 implicit places.
[2024-06-01 00:40:05] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:40:05] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:05] [INFO ] Invariant cache hit.
[2024-06-01 00:40:05] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1823 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4740 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6654ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6657ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6796 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:40:12] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2024-06-01 00:40:12] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1374 ms. (727 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 391 ms. (2551 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2024-06-01 00:40:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:14] [INFO ] Invariant cache hit.
[2024-06-01 00:40:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:40:14] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-06-01 00:40:14] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:40:14] [INFO ] [Real]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:40:14] [INFO ] Solution in real domain found non-integer solution.
[2024-06-01 00:40:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:40:14] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-06-01 00:40:14] [INFO ] [Nat]Added 26 Read/Feed constraints in 6 ms returned sat
[2024-06-01 00:40:14] [INFO ] Computed and/alt/rep : 59/378/59 causal constraints (skipped 78 transitions) in 8 ms.
[2024-06-01 00:40:14] [INFO ] Added : 16 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:40:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:14] [INFO ] Invariant cache hit.
[2024-06-01 00:40:14] [INFO ] Implicit Places using invariants in 44 ms returned []
[2024-06-01 00:40:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:14] [INFO ] Invariant cache hit.
[2024-06-01 00:40:14] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:40:14] [INFO ] Implicit Places using invariants and state equation in 77 ms returned []
Implicit Place search using SMT with State Equation took 122 ms to find 0 implicit places.
[2024-06-01 00:40:14] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:40:14] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:14] [INFO ] Invariant cache hit.
[2024-06-01 00:40:14] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1847 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 5005 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6938ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6940ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7069 ms. Remains : 49/49 places, 188/188 transitions.
[2024-06-01 00:40:21] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
Found an invariant !
This invariant on transitions {11=1, 23=1, 84=1, 85=1, 132=2}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {11=1, 23=1, 87=1, 88=1, 134=2}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2229391 steps, run timeout after 3001 ms. (steps per millisecond=742 ) properties seen :0 out of 1
Probabilistic random walk after 2229391 steps, saw 1421536 distinct states, run finished after 3001 ms. (steps per millisecond=742 ) properties seen :0
[2024-06-01 00:40:24] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:24] [INFO ] Invariant cache hit.
[2024-06-01 00:40:24] [INFO ] State equation strengthened by 26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/149 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 39/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/149 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 149ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 49/49 places, 188/188 transitions.
RANDOM walk for 40000 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2174348 steps, run timeout after 3001 ms. (steps per millisecond=724 ) properties seen :0 out of 1
Probabilistic random walk after 2174348 steps, saw 1387919 distinct states, run finished after 3002 ms. (steps per millisecond=724 ) properties seen :0
[2024-06-01 00:40:27] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:27] [INFO ] Invariant cache hit.
[2024-06-01 00:40:27] [INFO ] State equation strengthened by 26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 0/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 17/149 variables, 2/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/149 variables, 5/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 39/188 variables, 33/57 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/188 variables, 1/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 20/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 126/132 variables, 10/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/132 variables, 6/17 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/132 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/132 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 17/149 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/149 variables, 5/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/149 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 39/188 variables, 33/58 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/188 variables, 1/59 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/188 variables, 20/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 0/188 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 79 constraints, problems are : Problem set: 0 solved, 1 unsolved in 65 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 143ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 41 ms.
Support contains 1 out of 49 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 8 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 49/49 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 49/49 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 49 /49 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-06-01 00:40:28] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:28] [INFO ] Invariant cache hit.
[2024-06-01 00:40:28] [INFO ] Implicit Places using invariants in 41 ms returned []
[2024-06-01 00:40:28] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:28] [INFO ] Invariant cache hit.
[2024-06-01 00:40:28] [INFO ] State equation strengthened by 26 read => feed constraints.
[2024-06-01 00:40:28] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 139 ms to find 0 implicit places.
[2024-06-01 00:40:28] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-06-01 00:40:28] [INFO ] Flow matrix only has 139 transitions (discarded 49 similar events)
[2024-06-01 00:40:28] [INFO ] Invariant cache hit.
[2024-06-01 00:40:28] [INFO ] State equation strengthened by 26 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/188 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 188/188 variables, and 78 constraints, problems are : Problem set: 0 solved, 186 unsolved in 1787 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/49 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/49 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 139/188 variables, 49/52 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/188 variables, 26/78 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/188 variables, 186/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/188 variables, 0/264 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 188/188 variables, and 264 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4739 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 49/49 constraints, ReadFeed: 26/26 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6611ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6613ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6759 ms. Remains : 49/49 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 49 transitions
Reduce isomorphic transitions removed 49 transitions.
Iterating post reduction 0 with 49 rules applied. Total rules applied 49 place count 49 transition count 139
Performed 10 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 1 with 10 Pre rules applied. Total rules applied 49 place count 49 transition count 129
Deduced a syphon composed of 10 places in 0 ms
Reduce places removed 10 places and 0 transitions.
Iterating global reduction 1 with 20 rules applied. Total rules applied 69 place count 39 transition count 129
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 2
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 1 with 4 rules applied. Total rules applied 73 place count 37 transition count 127
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 74 place count 36 transition count 123
Iterating global reduction 1 with 1 rules applied. Total rules applied 75 place count 36 transition count 123
Applied a total of 75 rules in 11 ms. Remains 36 /49 variables (removed 13) and now considering 123/188 (removed 65) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 123 rows 36 cols
[2024-06-01 00:40:34] [INFO ] Computed 3 invariants in 0 ms
[2024-06-01 00:40:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:40:34] [INFO ] After 48ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-06-01 00:40:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-06-01 00:40:34] [INFO ] After 22ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-06-01 00:40:34] [INFO ] After 27ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-06-01 00:40:34] [INFO ] After 47ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 109 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[16] Max Struct:[+inf]
Ending property specific reduction for DoubleLock-PT-p2s1-UpperBounds-13 in 49453 ms.
[2024-06-01 00:40:35] [INFO ] Flatten gal took : 49 ms
[2024-06-01 00:40:35] [INFO ] Export to MCC of 3 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-06-01 00:40:35] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 49 places, 188 transitions and 760 arcs took 4 ms.
Total runtime 258915 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : DoubleLock-PT-p2s1-UpperBounds-05
Could not compute solution for formula : DoubleLock-PT-p2s1-UpperBounds-08
Could not compute solution for formula : DoubleLock-PT-p2s1-UpperBounds-13

BK_STOP 1717202435367

--------------------
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//
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
++ perl -pe 's/.*\.//g'
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name DoubleLock-PT-p2s1-UpperBounds-05
ub formula formula --maxsum=/tmp/1359/ub_0_
ub formula name DoubleLock-PT-p2s1-UpperBounds-08
ub formula formula --maxsum=/tmp/1359/ub_1_
ub formula name DoubleLock-PT-p2s1-UpperBounds-13
ub formula formula --maxsum=/tmp/1359/ub_2_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

Sequence of Actions to be Executed by the VM

This is useful if one wants to reexecute the tool in the VM from the submitted image disk.

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="DoubleLock-PT-p2s1"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

# remove the execution directoty if it exists (to avoid increse of .vmdk images)
if [ -d execution ] ; then
rm -rf execution
fi

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is DoubleLock-PT-p2s1, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r488-tall-171631133000613"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/DoubleLock-PT-p2s1.tgz
mv DoubleLock-PT-p2s1 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 ;