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.r179-tall-171640601100237.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is FunctionPointer-PT-b008, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640601100237
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 872K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Apr 11 16:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 11 16:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 11 16:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 136K Apr 11 16:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:26 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 391K 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 FunctionPointer-PT-b008-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716431905234

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b008
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 02:38:26] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-23 02:38:26] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 02:38:26] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2024-05-23 02:38:26] [INFO ] Transformed 306 places.
[2024-05-23 02:38:26] [INFO ] Transformed 840 transitions.
[2024-05-23 02:38:26] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 207 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 84 places in 14 ms
Reduce places removed 84 places and 192 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:38:26] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-23 02:38:26] [INFO ] Computed 4 invariants in 26 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (11 resets) in 48 ms. (204 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-07 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 140013 steps (38 resets) in 135 ms. (1029 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 4, 7, 9, 8, 8, 9, 1, 4, 5, 13, 4, 4, 2] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:38:26] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-23 02:38:26] [INFO ] Invariant cache hit.
[2024-05-23 02:38:27] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Real]Absence check using state equation in 105 ms returned sat
[2024-05-23 02:38:27] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-23 02:38:27] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:38:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
[2024-05-23 02:38:27] [INFO ] Deduced a trap composed of 22 places in 125 ms of which 12 ms to minimize.
[2024-05-23 02:38:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 175 ms
[2024-05-23 02:38:27] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 67 ms.
[2024-05-23 02:38:27] [INFO ] Added : 2 causal constraints over 1 iterations in 145 ms. Result :sat
Minimization took 101 ms.
[2024-05-23 02:38:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:38:27] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:38:28] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 55 ms.
[2024-05-23 02:38:28] [INFO ] Added : 1 causal constraints over 1 iterations in 109 ms. Result :sat
Minimization took 78 ms.
[2024-05-23 02:38:28] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Real]Added 65 Read/Feed constraints in 13 ms returned sat
[2024-05-23 02:38:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:28] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-23 02:38:28] [INFO ] Added : 2 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 81 ms.
[2024-05-23 02:38:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-05-23 02:38:28] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:38:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:38:29] [INFO ] Deduced a trap composed of 24 places in 105 ms of which 2 ms to minimize.
[2024-05-23 02:38:29] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 129 ms
[2024-05-23 02:38:29] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 32 ms.
[2024-05-23 02:38:29] [INFO ] Added : 2 causal constraints over 1 iterations in 83 ms. Result :sat
Minimization took 78 ms.
[2024-05-23 02:38:29] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2024-05-23 02:38:29] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:38:29] [INFO ] Deduced a trap composed of 51 places in 92 ms of which 2 ms to minimize.
[2024-05-23 02:38:29] [INFO ] Deduced a trap composed of 35 places in 94 ms of which 1 ms to minimize.
[2024-05-23 02:38:29] [INFO ] Deduced a trap composed of 34 places in 98 ms of which 1 ms to minimize.
[2024-05-23 02:38:30] [INFO ] Deduced a trap composed of 22 places in 94 ms of which 2 ms to minimize.
[2024-05-23 02:38:30] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 449 ms
[2024-05-23 02:38:30] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 35 ms.
[2024-05-23 02:38:30] [INFO ] Added : 4 causal constraints over 1 iterations in 92 ms. Result :sat
Minimization took 83 ms.
[2024-05-23 02:38:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:30] [INFO ] Deduced a trap composed of 51 places in 115 ms of which 2 ms to minimize.
[2024-05-23 02:38:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 150 ms
[2024-05-23 02:38:30] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-23 02:38:30] [INFO ] Added : 2 causal constraints over 1 iterations in 75 ms. Result :sat
Minimization took 81 ms.
[2024-05-23 02:38:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:30] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:38:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:31] [INFO ] Deduced a trap composed of 21 places in 109 ms of which 2 ms to minimize.
[2024-05-23 02:38:31] [INFO ] Deduced a trap composed of 21 places in 95 ms of which 2 ms to minimize.
[2024-05-23 02:38:31] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 238 ms
[2024-05-23 02:38:31] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-23 02:38:31] [INFO ] Added : 1 causal constraints over 1 iterations in 75 ms. Result :sat
Minimization took 75 ms.
[2024-05-23 02:38:31] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2024-05-23 02:38:31] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:31] [INFO ] Deduced a trap composed of 26 places in 97 ms of which 1 ms to minimize.
[2024-05-23 02:38:32] [INFO ] Deduced a trap composed of 21 places in 88 ms of which 2 ms to minimize.
[2024-05-23 02:38:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 213 ms
[2024-05-23 02:38:32] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-23 02:38:32] [INFO ] Added : 2 causal constraints over 1 iterations in 75 ms. Result :sat
Minimization took 76 ms.
[2024-05-23 02:38:32] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Real]Absence check using state equation in 66 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:38:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:32] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-23 02:38:32] [INFO ] Added : 2 causal constraints over 1 iterations in 80 ms. Result :sat
Minimization took 77 ms.
[2024-05-23 02:38:32] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Nat]Absence check using state equation in 68 ms returned sat
[2024-05-23 02:38:32] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:32] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 25 ms.
[2024-05-23 02:38:32] [INFO ] Added : 1 causal constraints over 1 iterations in 74 ms. Result :sat
Minimization took 73 ms.
[2024-05-23 02:38:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:33] [INFO ] Deduced a trap composed of 31 places in 107 ms of which 2 ms to minimize.
[2024-05-23 02:38:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 126 ms
[2024-05-23 02:38:33] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 25 ms.
[2024-05-23 02:38:33] [INFO ] Added : 2 causal constraints over 1 iterations in 71 ms. Result :sat
Minimization took 79 ms.
[2024-05-23 02:38:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:33] [INFO ] [Nat]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:38:33] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 24 ms.
[2024-05-23 02:38:33] [INFO ] Added : 1 causal constraints over 1 iterations in 64 ms. Result :sat
Minimization took 75 ms.
[2024-05-23 02:38:34] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:38:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:34] [INFO ] Deduced a trap composed of 26 places in 95 ms of which 2 ms to minimize.
[2024-05-23 02:38:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 118 ms
[2024-05-23 02:38:34] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-23 02:38:34] [INFO ] Added : 1 causal constraints over 1 iterations in 71 ms. Result :sat
Minimization took 80 ms.
[2024-05-23 02:38:34] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:38:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2024-05-23 02:38:34] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-23 02:38:34] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-23 02:38:34] [INFO ] Added : 2 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 4, 7, 9, 8, 8, 9, 1, 4, 5, 13, 4, 4, 2] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4, 4, 7, 9, 8, 8, 9, 1, 4, 5, 13, 4, 4, 2] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 200 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.3 ms
Discarding 22 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 27 place count 200 transition count 622
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 54 place count 173 transition count 462
Iterating global reduction 1 with 27 rules applied. Total rules applied 81 place count 173 transition count 462
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 1 with 26 rules applied. Total rules applied 107 place count 173 transition count 436
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 123 place count 157 transition count 404
Iterating global reduction 2 with 16 rules applied. Total rules applied 139 place count 157 transition count 404
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 143 place count 157 transition count 400
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 150 place count 150 transition count 386
Iterating global reduction 3 with 7 rules applied. Total rules applied 157 place count 150 transition count 386
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 162 place count 145 transition count 366
Iterating global reduction 3 with 5 rules applied. Total rules applied 167 place count 145 transition count 366
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 171 place count 141 transition count 358
Iterating global reduction 3 with 4 rules applied. Total rules applied 175 place count 141 transition count 358
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 179 place count 137 transition count 342
Iterating global reduction 3 with 4 rules applied. Total rules applied 183 place count 137 transition count 342
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 186 place count 134 transition count 330
Iterating global reduction 3 with 3 rules applied. Total rules applied 189 place count 134 transition count 330
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 192 place count 131 transition count 324
Iterating global reduction 3 with 3 rules applied. Total rules applied 195 place count 131 transition count 324
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 198 place count 128 transition count 318
Iterating global reduction 3 with 3 rules applied. Total rules applied 201 place count 128 transition count 318
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 204 place count 125 transition count 312
Iterating global reduction 3 with 3 rules applied. Total rules applied 207 place count 125 transition count 312
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 209 place count 123 transition count 308
Iterating global reduction 3 with 2 rules applied. Total rules applied 211 place count 123 transition count 308
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 212 place count 122 transition count 306
Iterating global reduction 3 with 1 rules applied. Total rules applied 213 place count 122 transition count 306
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 3 with 10 rules applied. Total rules applied 223 place count 122 transition count 296
Applied a total of 223 rules in 119 ms. Remains 122 /222 variables (removed 100) and now considering 296/648 (removed 352) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 128 ms. Remains : 122/222 places, 296/648 transitions.
[2024-05-23 02:38:35] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 6 resets, run finished after 63 ms. (steps per millisecond=158 ) properties (out of 14) seen :[3, 2, 2, 2, 2, 2, 3, 0, 3, 3, 2, 2, 1, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[4, 4, 7, 9, 8, 8, 9, 1, 4, 5, 13, 4, 4, 2] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:38:35] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-23 02:38:35] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4, 4, 7, 9, 8, 8, 9, 1, 4, 5, 13, 4, 4, 2] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (3 resets) in 1216 ms. (821 steps per ms)
BEST_FIRST walk for 14000013 steps (75 resets) in 7872 ms. (1778 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6, 37, 7, 10, 8, 8, 445, 108, 353, 300, 13, 713, 347, 553] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:38:44] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-23 02:38:44] [INFO ] Invariant cache hit.
[2024-05-23 02:38:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:44] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-23 02:38:44] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:44] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-23 02:38:44] [INFO ] Added : 2 causal constraints over 1 iterations in 40 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 02:38:44] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Real]Added 43 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:38:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:44] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Added 43 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:38:45] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 15 ms.
[2024-05-23 02:38:45] [INFO ] Added : 1 causal constraints over 1 iterations in 42 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:45] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 18 ms.
[2024-05-23 02:38:45] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:45] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:38:45] [INFO ] Added : 2 causal constraints over 1 iterations in 39 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:45] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-23 02:38:45] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:45] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:45] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:38:45] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:46] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-23 02:38:46] [INFO ] Added : 1 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:46] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-23 02:38:46] [INFO ] Added : 11 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:46] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:38:46] [INFO ] Added : 11 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:38:46] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:46] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-23 02:38:46] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:47] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:38:47] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:47] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-23 02:38:47] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:38:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:47] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-23 02:38:47] [INFO ] Added : 10 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:38:47] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:38:47] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-23 02:38:47] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6, 37, 7, 10, 8, 8, 445, 108, 353, 300, 13, 713, 347, 553] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 37, 7, 10, 8, 8, 445, 108, 353, 300, 13, 713, 347, 553] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 8 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 122/122 places, 296/296 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 8 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-23 02:38:48] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-23 02:38:48] [INFO ] Invariant cache hit.
[2024-05-23 02:38:48] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-05-23 02:38:48] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-23 02:38:48] [INFO ] Invariant cache hit.
[2024-05-23 02:38:48] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-23 02:38:48] [INFO ] Implicit Places using invariants and state equation in 151 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2024-05-23 02:38:48] [INFO ] Redundant transitions in 12 ms returned []
Running 294 sub problems to find dead transitions.
[2024-05-23 02:38:48] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-23 02:38:48] [INFO ] Invariant cache hit.
[2024-05-23 02:38:48] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 294 unsolved in 7868 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 294/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 461 constraints, problems are : Problem set: 0 solved, 294 unsolved in 9359 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
After SMT, in 17577ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 17589ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17854 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-23 02:39:05] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 127 ms. (steps per millisecond=78 ) properties (out of 14) seen :[5, 2, 2, 1, 2, 2, 2147483647, 2, 2147483647, 4, 0, 3, 1, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[7, 37, 7, 10, 8, 8, +inf, 108, +inf, 300, 13, 713, 347, 553] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:39:06] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-23 02:39:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7, 37, 7, 10, 8, 8, +inf, 108, +inf, 300, 13, 713, 347, 553] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1321 ms. (756 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-09 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b008-UpperBounds-06 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 12000012 steps (55 resets) in 6761 ms. (1774 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 37, 7, 10, 8, 8, 200, 338, 13, 713, 347, 1034] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:39:14] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-23 02:39:14] [INFO ] Invariant cache hit.
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-23 02:39:14] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-23 02:39:14] [INFO ] [Real]Added 43 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:39:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:14] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-23 02:39:14] [INFO ] Added : 2 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Added 43 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:39:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:14] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-23 02:39:14] [INFO ] Added : 1 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Added 43 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:39:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:14] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:39:14] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:15] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:39:15] [INFO ] Added : 2 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:15] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:39:15] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:15] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:39:15] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:15] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:39:15] [INFO ] Added : 11 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Real]Added 43 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:39:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:15] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:15] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:39:15] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:16] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-23 02:39:16] [INFO ] Added : 2 causal constraints over 1 iterations in 38 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:16] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-23 02:39:16] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:16] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-23 02:39:16] [INFO ] Added : 10 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:16] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:16] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-23 02:39:16] [INFO ] Added : 9 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 37, 7, 10, 8, 8, 200, 338, 13, 713, 347, 1034] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7, 37, 7, 10, 8, 8, 200, 338, 13, 713, 347, 1034] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Discarding 2 places :
Symmetric choice reduction at 0 with 2 rule applications. Total rules 2 place count 120 transition count 290
Iterating global reduction 0 with 2 rules applied. Total rules applied 4 place count 120 transition count 290
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 6 place count 120 transition count 288
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 119 transition count 286
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 119 transition count 286
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 118 transition count 282
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 118 transition count 282
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 117 transition count 280
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 117 transition count 280
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 116 transition count 278
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 116 transition count 278
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 15 place count 115 transition count 276
Iterating global reduction 1 with 1 rules applied. Total rules applied 16 place count 115 transition count 276
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 17 place count 114 transition count 274
Iterating global reduction 1 with 1 rules applied. Total rules applied 18 place count 114 transition count 274
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 19 place count 113 transition count 272
Iterating global reduction 1 with 1 rules applied. Total rules applied 20 place count 113 transition count 272
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 21 place count 112 transition count 270
Iterating global reduction 1 with 1 rules applied. Total rules applied 22 place count 112 transition count 270
Applied a total of 22 rules in 33 ms. Remains 112 /122 variables (removed 10) and now considering 270/296 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 33 ms. Remains : 112/122 places, 270/296 transitions.
[2024-05-23 02:39:17] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
Found an invariant !
This invariant on transitions {41=1, 91=1, 144=1, 176=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 85=1, 122=1, 162=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 12) seen :[4, 3, 2, 0, 1, 1, 5, 4, 3, 4, 0, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[7, 37, 7, 10, 8, 8, 200, 338, 13, 713, 347, 1034] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:39:17] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
// Phase 1: matrix 182 rows 112 cols
[2024-05-23 02:39:17] [INFO ] Computed 2 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7, 37, 7, 10, 8, 8, 200, 338, 13, 713, 347, 1034] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000004 steps (2 resets) in 979 ms. (1020 steps per ms)
BEST_FIRST walk for 12000012 steps (37 resets) in 6535 ms. (1835 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 37, 7, 10, 9, 8, 274, 721, 13, 713, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:39:24] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:24] [INFO ] Invariant cache hit.
[2024-05-23 02:39:24] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:24] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:39:24] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:39:24] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:24] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:39:24] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:39:24] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:24] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:39:24] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:25] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:25] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:25] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:25] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:39:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:25] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:25] [INFO ] Added : 2 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:39:25] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 8 ms.
[2024-05-23 02:39:25] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:39:25] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:25] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:25] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:26] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:26] [INFO ] Added : 14 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:39:26] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:26] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:26] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:26] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:39:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:26] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:26] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Real]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:39:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:39:27] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:27] [INFO ] Added : 6 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:39:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2024-05-23 02:39:27] [INFO ] [Nat]Added 40 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:39:27] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:27] [INFO ] Added : 14 causal constraints over 4 iterations in 74 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 37, 7, 10, 9, 8, 274, 721, 13, 713, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 37, 7, 10, 9, 8, 274, 721, 13, 713, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 5 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 112/112 places, 270/270 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 5 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
[2024-05-23 02:39:27] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:27] [INFO ] Invariant cache hit.
[2024-05-23 02:39:27] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-23 02:39:27] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:27] [INFO ] Invariant cache hit.
[2024-05-23 02:39:27] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:39:27] [INFO ] Implicit Places using invariants and state equation in 152 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
[2024-05-23 02:39:27] [INFO ] Redundant transitions in 6 ms returned []
Running 268 sub problems to find dead transitions.
[2024-05-23 02:39:27] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:27] [INFO ] Invariant cache hit.
[2024-05-23 02:39:27] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Real declared 294/294 variables, and 154 constraints, problems are : Problem set: 0 solved, 268 unsolved in 6673 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 268 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 268/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 7 (OVERLAPS) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Int declared 294/294 variables, and 422 constraints, problems are : Problem set: 0 solved, 268 unsolved in 8197 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
After SMT, in 15065ms problems are : Problem set: 0 solved, 268 unsolved
Search for dead transitions found 0 dead transitions in 15068ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15310 ms. Remains : 112/112 places, 270/270 transitions.
[2024-05-23 02:39:42] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
Found an invariant !
This invariant on transitions {41=1, 91=1, 144=1, 176=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 85=1, 122=1, 162=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 12) seen :[2, 6, 2, 0, 3, 3, 2, 2, 1, 4, 0, 11]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 37, 7, 10, 9, 8, 274, 721, 13, 713, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:39:42] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 37, 7, 10, 9, 8, 274, 721, 13, 713, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1125 ms. (888 steps per ms)
BEST_FIRST walk for 12000012 steps (59 resets) in 6581 ms. (1823 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:39:50] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:50] [INFO ] Invariant cache hit.
[2024-05-23 02:39:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-23 02:39:50] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:39:50] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Nat]Added 40 Read/Feed constraints in 14 ms returned sat
[2024-05-23 02:39:50] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 12 ms.
[2024-05-23 02:39:50] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:39:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:39:50] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:50] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:50] [INFO ] Added : 1 causal constraints over 1 iterations in 39 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:51] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:51] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:51] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:51] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:39:51] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:51] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:51] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:51] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:51] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:52] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:52] [INFO ] Added : 14 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:39:52] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:52] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:39:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:52] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:52] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:52] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:52] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:39:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:39:52] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:39:52] [INFO ] Added : 6 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:39:53] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:39:53] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:39:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:39:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:39:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:39:53] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:39:53] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:39:53] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:39:53] [INFO ] Added : 14 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 4 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 112/112 places, 270/270 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 4 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
[2024-05-23 02:39:53] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:53] [INFO ] Invariant cache hit.
[2024-05-23 02:39:53] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 02:39:53] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:53] [INFO ] Invariant cache hit.
[2024-05-23 02:39:53] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:39:53] [INFO ] Implicit Places using invariants and state equation in 130 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2024-05-23 02:39:53] [INFO ] Redundant transitions in 4 ms returned []
Running 268 sub problems to find dead transitions.
[2024-05-23 02:39:53] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:39:53] [INFO ] Invariant cache hit.
[2024-05-23 02:39:53] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Real declared 294/294 variables, and 154 constraints, problems are : Problem set: 0 solved, 268 unsolved in 6581 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 268 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 268/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 7 (OVERLAPS) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Int declared 294/294 variables, and 422 constraints, problems are : Problem set: 0 solved, 268 unsolved in 8324 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
After SMT, in 15079ms problems are : Problem set: 0 solved, 268 unsolved
Search for dead transitions found 0 dead transitions in 15082ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15298 ms. Remains : 112/112 places, 270/270 transitions.
[2024-05-23 02:40:08] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
Found an invariant !
This invariant on transitions {41=1, 91=1, 144=1, 176=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 85=1, 122=1, 162=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 4 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 12) seen :[2, 3, 2, 3, 2, 3, 2, 2, 3, 3, 3, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:40:08] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1046] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1098 ms. (909 steps per ms)
BEST_FIRST walk for 12000012 steps (73 resets) in 6331 ms. (1895 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:40:16] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:16] [INFO ] Invariant cache hit.
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:40:16] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:40:16] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:40:16] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 11 ms.
[2024-05-23 02:40:16] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:16] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:16] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:16] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:16] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:40:16] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 11 ms.
[2024-05-23 02:40:16] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:40:17] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 11 ms.
[2024-05-23 02:40:17] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:17] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:17] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:17] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:17] [INFO ] Added : 14 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:40:17] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:17] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:18] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:18] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:40:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:40:18] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 11 ms.
[2024-05-23 02:40:18] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:40:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:40:18] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:18] [INFO ] Added : 6 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:40:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:18] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:18] [INFO ] Added : 14 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 4 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 112/112 places, 270/270 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 4 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
[2024-05-23 02:40:18] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:18] [INFO ] Invariant cache hit.
[2024-05-23 02:40:18] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 02:40:18] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:18] [INFO ] Invariant cache hit.
[2024-05-23 02:40:18] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:40:19] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
[2024-05-23 02:40:19] [INFO ] Redundant transitions in 2 ms returned []
Running 268 sub problems to find dead transitions.
[2024-05-23 02:40:19] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:19] [INFO ] Invariant cache hit.
[2024-05-23 02:40:19] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Real declared 294/294 variables, and 154 constraints, problems are : Problem set: 0 solved, 268 unsolved in 6566 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 268 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 268/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 7 (OVERLAPS) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Int declared 294/294 variables, and 422 constraints, problems are : Problem set: 0 solved, 268 unsolved in 8346 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
After SMT, in 15085ms problems are : Problem set: 0 solved, 268 unsolved
Search for dead transitions found 0 dead transitions in 15089ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15317 ms. Remains : 112/112 places, 270/270 transitions.
[2024-05-23 02:40:34] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
Found an invariant !
This invariant on transitions {41=1, 91=1, 144=1, 176=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {35=1, 85=1, 122=1, 162=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 4 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 12) seen :[4, 2, 1, 3, 3, 2, 2, 1, 2, 1, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:40:34] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 902, 7, 10, 9, 8, 286, 721, 13, 1365, 347, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1023 ms. (976 steps per ms)
BEST_FIRST walk for 12000010 steps (45 resets) in 6514 ms. (1841 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 902, 7, 10, 9, 8, 526, 721, 13, 1365, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:40:41] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:41] [INFO ] Invariant cache hit.
[2024-05-23 02:40:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:41] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:41] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:40:41] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:41] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:40:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:40:41] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:41] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:40:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:42] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:42] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:42] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:42] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:42] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:42] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:40:42] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:42] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:42] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:42] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:42] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:40:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:43] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:43] [INFO ] Added : 14 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:43] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:43] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:43] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:43] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:43] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:40:43] [INFO ] Added : 1 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:40:43] [INFO ] [Real]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:40:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:40:44] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:40:44] [INFO ] Added : 6 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:40:44] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:40:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:40:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:40:44] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:40:44] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 11 ms.
[2024-05-23 02:40:44] [INFO ] Added : 14 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 902, 7, 10, 9, 8, 526, 721, 13, 1365, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 902, 7, 10, 9, 8, 526, 721, 13, 1365, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 12 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 4 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 112/112 places, 270/270 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Applied a total of 0 rules in 4 ms. Remains 112 /112 variables (removed 0) and now considering 270/270 (removed 0) transitions.
[2024-05-23 02:40:44] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:44] [INFO ] Invariant cache hit.
[2024-05-23 02:40:44] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-23 02:40:44] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:44] [INFO ] Invariant cache hit.
[2024-05-23 02:40:44] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:40:44] [INFO ] Implicit Places using invariants and state equation in 147 ms returned []
Implicit Place search using SMT with State Equation took 213 ms to find 0 implicit places.
[2024-05-23 02:40:44] [INFO ] Redundant transitions in 1 ms returned []
Running 268 sub problems to find dead transitions.
[2024-05-23 02:40:44] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:44] [INFO ] Invariant cache hit.
[2024-05-23 02:40:44] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/294 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Real declared 294/294 variables, and 154 constraints, problems are : Problem set: 0 solved, 268 unsolved in 6607 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 268 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/112 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/112 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/112 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 3 (OVERLAPS) 182/294 variables, 112/114 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/294 variables, 40/154 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/294 variables, 268/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
At refinement iteration 7 (OVERLAPS) 0/294 variables, 0/422 constraints. Problems are: Problem set: 0 solved, 268 unsolved
No progress, stopping.
After SMT solving in domain Int declared 294/294 variables, and 422 constraints, problems are : Problem set: 0 solved, 268 unsolved in 8164 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 112/112 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 268/268 constraints, Known Traps: 0/0 constraints]
After SMT, in 14943ms problems are : Problem set: 0 solved, 268 unsolved
Search for dead transitions found 0 dead transitions in 14946ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15169 ms. Remains : 112/112 places, 270/270 transitions.
[2024-05-23 02:40:59] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
Found an invariant !
This invariant on transitions {41=1, 91=1, 144=1, 176=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {35=1, 85=1, 122=1, 162=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 12) seen :[2, 4, 1, 2, 1, 1, 3, 3, 2, 2147483647, 1, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[8, 902, 7, 10, 9, 8, 526, 721, 13, +inf, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:40:59] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:40:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8, 902, 7, 10, 9, 8, 526, 721, 13, +inf, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1106 ms. (903 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-13 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 11000011 steps (35 resets) in 5840 ms. (1883 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9, 902, 7, 10, 9, 8, 526, 721, 13, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:41:06] [INFO ] Flow matrix only has 182 transitions (discarded 88 similar events)
[2024-05-23 02:41:06] [INFO ] Invariant cache hit.
[2024-05-23 02:41:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:41:06] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:41:06] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:41:06] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:41:06] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:06] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:06] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:07] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:41:07] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:07] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:41:07] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:41:07] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 13 ms.
[2024-05-23 02:41:07] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:41:07] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:41:07] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:07] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:07] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:41:07] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:08] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:41:08] [INFO ] Added : 14 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:08] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:41:08] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:08] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 9 ms.
[2024-05-23 02:41:08] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:41:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:41:08] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:41:08] [INFO ] Added : 6 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:09] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:09] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:09] [INFO ] Computed and/alt/rep : 44/111/39 causal constraints (skipped 141 transitions) in 10 ms.
[2024-05-23 02:41:09] [INFO ] Added : 14 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9, 902, 7, 10, 9, 8, 526, 721, 13, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9, 902, 7, 10, 9, 8, 526, 721, 13, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 112 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 112/112 places, 270/270 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 111 transition count 268
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 111 transition count 268
Applied a total of 2 rules in 13 ms. Remains 111 /112 variables (removed 1) and now considering 268/270 (removed 2) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 111/112 places, 268/270 transitions.
[2024-05-23 02:41:09] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
Found an invariant !
This invariant on transitions {24=1, 38=1, 87=1, 100=1, 124=1, 159=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 83=1, 136=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 11) seen :[0, 1, 1, 1, 1, 1, 3, 5, 0, 6, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[9, 902, 7, 10, 9, 8, 526, 721, 13, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:41:09] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
// Phase 1: matrix 181 rows 111 cols
[2024-05-23 02:41:09] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9, 902, 7, 10, 9, 8, 526, 721, 13, 380, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (3 resets) in 1198 ms. (834 steps per ms)
BEST_FIRST walk for 11000010 steps (54 resets) in 5866 ms. (1874 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9, 1331, 7, 10, 9, 8, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:41:16] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:16] [INFO ] Invariant cache hit.
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:16] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:41:16] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:16] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:16] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:16] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:16] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:41:16] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:16] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:16] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:17] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:41:17] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:17] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:17] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:17] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:17] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:17] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:17] [INFO ] Added : 9 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:18] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:18] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:18] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 11 ms.
[2024-05-23 02:41:18] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:18] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:41:18] [INFO ] Added : 9 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:41:18] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:18] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:41:18] [INFO ] Added : 8 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9, 1331, 7, 10, 9, 8, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9, 1331, 7, 10, 9, 8, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 111/111 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2024-05-23 02:41:18] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:18] [INFO ] Invariant cache hit.
[2024-05-23 02:41:18] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 02:41:18] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:18] [INFO ] Invariant cache hit.
[2024-05-23 02:41:18] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:41:19] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 204 ms to find 0 implicit places.
[2024-05-23 02:41:19] [INFO ] Redundant transitions in 1 ms returned []
Running 266 sub problems to find dead transitions.
[2024-05-23 02:41:19] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:19] [INFO ] Invariant cache hit.
[2024-05-23 02:41:19] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 292/292 variables, and 153 constraints, problems are : Problem set: 0 solved, 266 unsolved in 6426 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 266/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 7 (OVERLAPS) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 292/292 variables, and 419 constraints, problems are : Problem set: 0 solved, 266 unsolved in 7913 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 14509ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 14512ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14726 ms. Remains : 111/111 places, 268/268 transitions.
[2024-05-23 02:41:33] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
Found an invariant !
This invariant on transitions {24=1, 38=1, 87=1, 100=1, 124=1, 159=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 83=1, 136=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 11) seen :[1, 8, 2, 0, 4, 1, 4, 3, 1, 0, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[9, 1331, 7, 10, 9, 8, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:41:33] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[9, 1331, 7, 10, 9, 8, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1019 ms. (980 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-02 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 10000010 steps (54 resets) in 5262 ms. (1900 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:41:39] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:39] [INFO ] Invariant cache hit.
[2024-05-23 02:41:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:39] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:39] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:41:39] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:40] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:41:40] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:40] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:40] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Added 40 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:41:40] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:40] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:40] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:40] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:40] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:40] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:40] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:41] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:41:41] [INFO ] Added : 9 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:41] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 11 ms.
[2024-05-23 02:41:41] [INFO ] Added : 1 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:41] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:41:41] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:41] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:41:41] [INFO ] Added : 9 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:41] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:41] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:41:41] [INFO ] Added : 8 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 111/111 places, 268/268 transitions.
[2024-05-23 02:41:42] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
Found an invariant !
This invariant on transitions {24=1, 38=1, 87=1, 100=1, 124=1, 159=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 83=1, 136=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 12 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 10) seen :[3, 5, 3, 4, 4, 3, 2, 4, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[9, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:41:42] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[9, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (3 resets) in 993 ms. (1006 steps per ms)
BEST_FIRST walk for 10000010 steps (65 resets) in 5292 ms. (1889 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:41:48] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:48] [INFO ] Invariant cache hit.
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:41:48] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:41:48] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:48] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:48] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:48] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:48] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:48] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:49] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:49] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:41:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:49] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:41:49] [INFO ] Added : 2 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:49] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:49] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:49] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:49] [INFO ] Added : 9 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:49] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:49] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:41:49] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:50] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:50] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:41:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:50] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:50] [INFO ] Added : 9 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:41:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:41:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:41:50] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:41:50] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:41:50] [INFO ] Added : 8 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 111/111 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 7 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2024-05-23 02:41:50] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:50] [INFO ] Invariant cache hit.
[2024-05-23 02:41:50] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-23 02:41:50] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:50] [INFO ] Invariant cache hit.
[2024-05-23 02:41:50] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:41:50] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-23 02:41:50] [INFO ] Redundant transitions in 1 ms returned []
Running 266 sub problems to find dead transitions.
[2024-05-23 02:41:50] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:41:50] [INFO ] Invariant cache hit.
[2024-05-23 02:41:50] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 292/292 variables, and 153 constraints, problems are : Problem set: 0 solved, 266 unsolved in 6349 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 266/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 7 (OVERLAPS) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 292/292 variables, and 419 constraints, problems are : Problem set: 0 solved, 266 unsolved in 7863 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 14391ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 14394ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14629 ms. Remains : 111/111 places, 268/268 transitions.
[2024-05-23 02:42:05] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
Found an invariant !
This invariant on transitions {24=1, 38=1, 87=1, 100=1, 124=1, 159=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {34=1, 83=1, 136=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 12 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 10) seen :[2, 4, 5, 3, 2, 2, 3, 3, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:42:05] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 494, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000006 steps (2 resets) in 1033 ms. (967 steps per ms)
BEST_FIRST walk for 10000010 steps (42 resets) in 5245 ms. (1906 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:42:11] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:11] [INFO ] Invariant cache hit.
[2024-05-23 02:42:11] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:42:11] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:42:11] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:11] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:11] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:42:11] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:42:12] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:12] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:12] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:12] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:12] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:42:12] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:12] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:12] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:12] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:12] [INFO ] Added : 9 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:13] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:42:13] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:13] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:13] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:13] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 11 ms.
[2024-05-23 02:42:13] [INFO ] Added : 9 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Real]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:42:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:42:13] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:13] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:13] [INFO ] Added : 8 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 111/111 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2024-05-23 02:42:13] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:13] [INFO ] Invariant cache hit.
[2024-05-23 02:42:13] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 02:42:13] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:13] [INFO ] Invariant cache hit.
[2024-05-23 02:42:14] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:42:14] [INFO ] Implicit Places using invariants and state equation in 145 ms returned []
Implicit Place search using SMT with State Equation took 217 ms to find 0 implicit places.
[2024-05-23 02:42:14] [INFO ] Redundant transitions in 1 ms returned []
Running 266 sub problems to find dead transitions.
[2024-05-23 02:42:14] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:14] [INFO ] Invariant cache hit.
[2024-05-23 02:42:14] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 292/292 variables, and 153 constraints, problems are : Problem set: 0 solved, 266 unsolved in 6348 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 266/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 7 (OVERLAPS) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 292/292 variables, and 419 constraints, problems are : Problem set: 0 solved, 266 unsolved in 7783 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 14301ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 14304ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14533 ms. Remains : 111/111 places, 268/268 transitions.
[2024-05-23 02:42:28] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
Found an invariant !
This invariant on transitions {24=1, 38=1, 87=1, 100=1, 124=1, 159=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 83=1, 136=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 8 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 10) seen :[4, 4, 4, 2, 2, 1, 4, 4, 4, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:42:28] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 1331, 10, 9, 9, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (3 resets) in 1073 ms. (931 steps per ms)
BEST_FIRST walk for 10000008 steps (42 resets) in 5345 ms. (1870 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 1331, 10, 11, 11, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:42:34] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:34] [INFO ] Invariant cache hit.
[2024-05-23 02:42:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:34] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:34] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:42:35] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:35] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:35] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:42:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:42:35] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:35] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:35] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:35] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:35] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:35] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:35] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:42:35] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:42:35] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:36] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:42:36] [INFO ] Added : 9 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:36] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:36] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:36] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:36] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:36] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:42:36] [INFO ] Added : 9 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:36] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:37] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:37] [INFO ] Added : 8 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 1331, 10, 11, 11, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 1331, 10, 11, 11, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 111/111 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2024-05-23 02:42:37] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:37] [INFO ] Invariant cache hit.
[2024-05-23 02:42:37] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-23 02:42:37] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:37] [INFO ] Invariant cache hit.
[2024-05-23 02:42:37] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:42:37] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
[2024-05-23 02:42:37] [INFO ] Redundant transitions in 1 ms returned []
Running 266 sub problems to find dead transitions.
[2024-05-23 02:42:37] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:37] [INFO ] Invariant cache hit.
[2024-05-23 02:42:37] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 292/292 variables, and 153 constraints, problems are : Problem set: 0 solved, 266 unsolved in 6263 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 266/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 7 (OVERLAPS) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 292/292 variables, and 419 constraints, problems are : Problem set: 0 solved, 266 unsolved in 7774 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 14227ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 14231ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14449 ms. Remains : 111/111 places, 268/268 transitions.
[2024-05-23 02:42:51] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
Found an invariant !
This invariant on transitions {24=1, 38=1, 87=1, 100=1, 124=1, 159=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 83=1, 136=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 10) seen :[4, 2, 3, 2, 2, 3, 3, 9, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 1331, 10, 11, 11, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:42:51] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:51] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 1331, 10, 11, 11, 526, 721, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (4 resets) in 1174 ms. (851 steps per ms)
BEST_FIRST walk for 10000010 steps (33 resets) in 5365 ms. (1863 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 1331, 10, 12, 12, 526, 1089, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:42:58] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:42:58] [INFO ] Invariant cache hit.
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:58] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:42:58] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:58] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:42:58] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:42:58] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:42:58] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:58] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:58] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:58] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:59] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:42:59] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:59] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:59] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:59] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:59] [INFO ] Added : 9 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:59] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 11 ms.
[2024-05-23 02:42:59] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:42:59] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:42:59] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:42:59] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:42:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:00] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:43:00] [INFO ] Added : 9 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:43:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:00] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:00] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:43:00] [INFO ] Added : 8 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 1331, 10, 12, 12, 526, 1089, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 1331, 10, 12, 12, 526, 1089, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 10 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 4 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 111/111 places, 268/268 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Applied a total of 0 rules in 3 ms. Remains 111 /111 variables (removed 0) and now considering 268/268 (removed 0) transitions.
[2024-05-23 02:43:00] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:43:00] [INFO ] Invariant cache hit.
[2024-05-23 02:43:00] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-23 02:43:00] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:43:00] [INFO ] Invariant cache hit.
[2024-05-23 02:43:00] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:43:00] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
[2024-05-23 02:43:00] [INFO ] Redundant transitions in 1 ms returned []
Running 266 sub problems to find dead transitions.
[2024-05-23 02:43:00] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:43:00] [INFO ] Invariant cache hit.
[2024-05-23 02:43:00] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/292 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Real declared 292/292 variables, and 153 constraints, problems are : Problem set: 0 solved, 266 unsolved in 6322 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 266 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/111 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/111 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/111 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 3 (OVERLAPS) 181/292 variables, 111/113 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/292 variables, 40/153 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/292 variables, 266/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
At refinement iteration 7 (OVERLAPS) 0/292 variables, 0/419 constraints. Problems are: Problem set: 0 solved, 266 unsolved
No progress, stopping.
After SMT solving in domain Int declared 292/292 variables, and 419 constraints, problems are : Problem set: 0 solved, 266 unsolved in 7801 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 111/111 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 266/266 constraints, Known Traps: 0/0 constraints]
After SMT, in 14291ms problems are : Problem set: 0 solved, 266 unsolved
Search for dead transitions found 0 dead transitions in 14295ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14520 ms. Remains : 111/111 places, 268/268 transitions.
[2024-05-23 02:43:14] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
Found an invariant !
This invariant on transitions {24=1, 38=1, 87=1, 100=1, 124=1, 159=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {34=1, 83=1, 136=1, 170=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 5 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 10) seen :[3, 4, 2, 2, 2, 2147483647, 2, 1, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 1331, 10, 12, 12, +inf, 1089, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:43:15] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:43:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10, 1331, 10, 12, 12, +inf, 1089, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (3 resets) in 1193 ms. (837 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 9000006 steps (43 resets) in 4792 ms. (1877 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:43:21] [INFO ] Flow matrix only has 181 transitions (discarded 87 similar events)
[2024-05-23 02:43:21] [INFO ] Invariant cache hit.
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:43:21] [INFO ] State equation strengthened by 40 read => feed constraints.
[2024-05-23 02:43:21] [INFO ] [Real]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:43:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:21] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:43:21] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Added 40 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:43:21] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 8 ms.
[2024-05-23 02:43:21] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:21] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:43:21] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:21] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:43:21] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:21] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:21] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:43:22] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Added 40 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:43:22] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:43:22] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:22] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:43:22] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:22] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 10 ms.
[2024-05-23 02:43:22] [INFO ] Added : 9 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Real]Added 40 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:22] [INFO ] [Nat]Added 40 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:22] [INFO ] Computed and/alt/rep : 44/110/39 causal constraints (skipped 140 transitions) in 9 ms.
[2024-05-23 02:43:22] [INFO ] Added : 8 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 111 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 111/111 places, 268/268 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 110 transition count 264
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 110 transition count 264
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 109 transition count 262
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 109 transition count 262
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 108 transition count 258
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 108 transition count 258
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 107 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 107 transition count 256
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 106 transition count 254
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 106 transition count 254
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 105 transition count 252
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 105 transition count 252
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 104 transition count 250
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 104 transition count 250
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 103 transition count 248
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 103 transition count 248
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 102 transition count 246
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 102 transition count 246
Applied a total of 18 rules in 15 ms. Remains 102 /111 variables (removed 9) and now considering 246/268 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 102/111 places, 246/268 transitions.
[2024-05-23 02:43:22] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {36=1, 76=1, 127=1, 163=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {37=1, 77=1, 112=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 5 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 9) seen :[1, 4, 1, 2, 4, 4, 2, 1, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:43:23] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:43:23] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 948 ms. (1053 steps per ms)
BEST_FIRST walk for 9000009 steps (63 resets) in 4453 ms. (2020 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:43:28] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:28] [INFO ] Invariant cache hit.
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:28] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:43:28] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:28] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:28] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:43:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:43:28] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:28] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 22 ms.
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:28] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:29] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 10 ms.
[2024-05-23 02:43:29] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Added 37 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:43:29] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 10 ms.
[2024-05-23 02:43:29] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:29] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:29] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:29] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:29] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:29] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:29] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 22 ms.
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:30] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:30] [INFO ] Added : 3 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:30] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:30] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:30] [INFO ] Added : 7 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Applied a total of 0 rules in 3 ms. Remains 102 /102 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 102/102 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Applied a total of 0 rules in 3 ms. Remains 102 /102 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-05-23 02:43:30] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:30] [INFO ] Invariant cache hit.
[2024-05-23 02:43:30] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-23 02:43:30] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:30] [INFO ] Invariant cache hit.
[2024-05-23 02:43:30] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:43:30] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
[2024-05-23 02:43:30] [INFO ] Redundant transitions in 1 ms returned []
Running 244 sub problems to find dead transitions.
[2024-05-23 02:43:30] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:30] [INFO ] Invariant cache hit.
[2024-05-23 02:43:30] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (OVERLAPS) 165/267 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 37/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 141 constraints, problems are : Problem set: 0 solved, 244 unsolved in 5817 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (OVERLAPS) 165/267 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 37/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 244/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 7 (OVERLAPS) 0/267 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Int declared 267/267 variables, and 385 constraints, problems are : Problem set: 0 solved, 244 unsolved in 6732 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints]
After SMT, in 12694ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 12697ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12914 ms. Remains : 102/102 places, 246/246 transitions.
[2024-05-23 02:43:43] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {36=1, 76=1, 127=1, 163=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {37=1, 77=1, 112=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 4 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 9) seen :[2, 5, 1, 2, 2, 4, 1, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:43:43] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1253] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 961 ms. (1039 steps per ms)
BEST_FIRST walk for 9000009 steps (29 resets) in 4563 ms. (1971 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:43:48] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:48] [INFO ] Invariant cache hit.
[2024-05-23 02:43:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:48] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:48] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:43:48] [INFO ] [Real]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:49] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 10 ms.
[2024-05-23 02:43:49] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:43:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:49] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 10 ms.
[2024-05-23 02:43:49] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:49] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:49] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:49] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 10 ms.
[2024-05-23 02:43:49] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:49] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:49] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:49] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:43:50] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:50] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:43:50] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:50] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:43:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:50] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 10 ms.
[2024-05-23 02:43:50] [INFO ] Added : 3 causal constraints over 2 iterations in 33 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:43:50] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:43:50] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:43:50] [INFO ] Added : 7 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Applied a total of 0 rules in 3 ms. Remains 102 /102 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 102/102 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Applied a total of 0 rules in 3 ms. Remains 102 /102 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-05-23 02:43:50] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:50] [INFO ] Invariant cache hit.
[2024-05-23 02:43:50] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-23 02:43:50] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:50] [INFO ] Invariant cache hit.
[2024-05-23 02:43:50] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:43:50] [INFO ] Implicit Places using invariants and state equation in 139 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
[2024-05-23 02:43:51] [INFO ] Redundant transitions in 1 ms returned []
Running 244 sub problems to find dead transitions.
[2024-05-23 02:43:51] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:43:51] [INFO ] Invariant cache hit.
[2024-05-23 02:43:51] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (OVERLAPS) 165/267 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 37/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 141 constraints, problems are : Problem set: 0 solved, 244 unsolved in 5682 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (OVERLAPS) 165/267 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 37/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 244/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 7 (OVERLAPS) 0/267 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Int declared 267/267 variables, and 385 constraints, problems are : Problem set: 0 solved, 244 unsolved in 6637 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints]
After SMT, in 12465ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 12468ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12701 ms. Remains : 102/102 places, 246/246 transitions.
[2024-05-23 02:44:03] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {36=1, 76=1, 127=1, 163=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {37=1, 77=1, 112=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 9) seen :[2, 3, 3, 1, 1, 3, 3, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:44:03] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:44:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (3 resets) in 1162 ms. (859 steps per ms)
BEST_FIRST walk for 9000009 steps (37 resets) in 4537 ms. (1983 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:44:09] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:44:09] [INFO ] Invariant cache hit.
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:44:09] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:44:09] [INFO ] [Real]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:44:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:44:09] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:09] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:44:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:44:09] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:09] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:44:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:44:09] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:09] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Real]Added 37 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:44:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:44:09] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:44:10] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:10] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:44:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:44:10] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:10] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:44:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:44:10] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:10] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:44:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:44:10] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:10] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:44:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:44:10] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 8 ms.
[2024-05-23 02:44:10] [INFO ] Added : 3 causal constraints over 2 iterations in 30 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:44:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:44:10] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:44:10] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:44:11] [INFO ] Added : 7 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Applied a total of 0 rules in 4 ms. Remains 102 /102 variables (removed 0) and now considering 246/246 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 102/102 places, 246/246 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Applied a total of 0 rules in 3 ms. Remains 102 /102 variables (removed 0) and now considering 246/246 (removed 0) transitions.
[2024-05-23 02:44:11] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:44:11] [INFO ] Invariant cache hit.
[2024-05-23 02:44:11] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 02:44:11] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:44:11] [INFO ] Invariant cache hit.
[2024-05-23 02:44:11] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:44:11] [INFO ] Implicit Places using invariants and state equation in 137 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2024-05-23 02:44:11] [INFO ] Redundant transitions in 0 ms returned []
Running 244 sub problems to find dead transitions.
[2024-05-23 02:44:11] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:44:11] [INFO ] Invariant cache hit.
[2024-05-23 02:44:11] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (OVERLAPS) 165/267 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 37/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 141 constraints, problems are : Problem set: 0 solved, 244 unsolved in 5395 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 244 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/102 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/102 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/102 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 3 (OVERLAPS) 165/267 variables, 102/104 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/267 variables, 37/141 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/267 variables, 244/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/267 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
At refinement iteration 7 (OVERLAPS) 0/267 variables, 0/385 constraints. Problems are: Problem set: 0 solved, 244 unsolved
No progress, stopping.
After SMT solving in domain Int declared 267/267 variables, and 385 constraints, problems are : Problem set: 0 solved, 244 unsolved in 6154 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 244/244 constraints, Known Traps: 0/0 constraints]
After SMT, in 11692ms problems are : Problem set: 0 solved, 244 unsolved
Search for dead transitions found 0 dead transitions in 11694ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11903 ms. Remains : 102/102 places, 246/246 transitions.
[2024-05-23 02:44:23] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
Found an invariant !
This invariant on transitions {36=1, 76=1, 127=1, 163=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {37=1, 77=1, 112=1, 151=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 8 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 9) seen :[3, 4, 3, 4, 3, 2, 3, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40001 steps (8 resets) in 907 ms. (44 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40003 steps (10 resets) in 92 ms. (430 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (10 resets) in 124 ms. (320 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (9 resets) in 114 ms. (347 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (9 resets) in 78 ms. (506 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (12 resets) in 53 ms. (740 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (11 resets) in 53 ms. (740 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (9 resets) in 68 ms. (579 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (9 resets) in 69 ms. (571 steps per ms) remains 8/8 properties
[2024-05-23 02:44:23] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:44:23] [INFO ] Invariant cache hit.
[2024-05-23 02:44:23] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 20/28 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 107/135 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/135 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/135 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (OVERLAPS) 7/142 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/142 variables, 1/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/142 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (OVERLAPS) 105/247 variables, 62/94 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 33/127 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/247 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/253 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/253 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 11/264 variables, 11/139 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/264 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 3/267 variables, 2/141 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (OVERLAPS) 0/267 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 267/267 variables, and 141 constraints, problems are : Problem set: 0 solved, 8 unsolved in 316 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 20/28 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 107/135 variables, 18/26 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/135 variables, 4/30 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/135 variables, 6/36 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/135 variables, 0/36 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 7/142 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/142 variables, 1/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/142 variables, 0/38 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 105/247 variables, 62/100 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/247 variables, 33/133 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/247 variables, 2/135 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/247 variables, 0/135 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (OVERLAPS) 6/253 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/253 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (OVERLAPS) 11/264 variables, 11/147 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/264 variables, 0/147 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (OVERLAPS) 3/267 variables, 2/149 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/267 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (OVERLAPS) 0/267 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 267/267 variables, and 149 constraints, problems are : Problem set: 0 solved, 8 unsolved in 340 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 102/102 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 663ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 4 different solutions.
Parikh walk visited 2 properties in 30001 ms.
Support contains 6 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 96 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 11 transitions
Reduce isomorphic transitions removed 11 transitions.
Iterating post reduction 0 with 11 rules applied. Total rules applied 12 place count 96 transition count 235
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 13 place count 95 transition count 233
Iterating global reduction 1 with 1 rules applied. Total rules applied 14 place count 95 transition count 233
Applied a total of 14 rules in 4 ms. Remains 95 /102 variables (removed 7) and now considering 233/246 (removed 13) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 95/102 places, 233/246 transitions.
RANDOM walk for 40005 steps (9 resets) in 97 ms. (408 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (9 resets) in 40 ms. (975 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (12 resets) in 32 ms. (1212 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (9 resets) in 35 ms. (1111 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40002 steps (9 resets) in 40 ms. (975 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (9 resets) in 34 ms. (1142 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 402215 steps, run timeout after 3001 ms. (steps per millisecond=134 ) properties seen :0 out of 6
Probabilistic random walk after 402215 steps, saw 252660 distinct states, run finished after 3006 ms. (steps per millisecond=133 ) properties seen :0
[2024-05-23 02:44:57] [INFO ] Flow matrix only has 151 transitions (discarded 82 similar events)
// Phase 1: matrix 151 rows 95 cols
[2024-05-23 02:44:57] [INFO ] Computed 2 invariants in 1 ms
[2024-05-23 02:44:57] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 13/19 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 97/116 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/123 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/123 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 104/227 variables, 63/87 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/227 variables, 26/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (OVERLAPS) 6/233 variables, 1/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/233 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 10/243 variables, 10/124 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/243 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 3/246 variables, 2/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (OVERLAPS) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 0 solved, 6 unsolved in 214 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 13/19 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/19 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 97/116 variables, 13/19 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/116 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/116 variables, 6/28 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/116 variables, 0/28 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 7/123 variables, 1/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/123 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/123 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 104/227 variables, 63/93 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/227 variables, 26/119 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/227 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 6/233 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/233 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 10/243 variables, 10/130 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/243 variables, 0/130 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 3/246 variables, 2/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/246 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 19 (OVERLAPS) 0/246 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 132 constraints, problems are : Problem set: 0 solved, 6 unsolved in 271 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 494ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 30000 ms.
Support contains 6 out of 95 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 233/233 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 233/233 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 95/95 places, 233/233 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 95/95 places, 233/233 transitions.
Applied a total of 0 rules in 3 ms. Remains 95 /95 variables (removed 0) and now considering 233/233 (removed 0) transitions.
[2024-05-23 02:45:27] [INFO ] Flow matrix only has 151 transitions (discarded 82 similar events)
[2024-05-23 02:45:27] [INFO ] Invariant cache hit.
[2024-05-23 02:45:28] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 02:45:28] [INFO ] Flow matrix only has 151 transitions (discarded 82 similar events)
[2024-05-23 02:45:28] [INFO ] Invariant cache hit.
[2024-05-23 02:45:28] [INFO ] State equation strengthened by 29 read => feed constraints.
[2024-05-23 02:45:28] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
[2024-05-23 02:45:28] [INFO ] Redundant transitions in 0 ms returned []
Running 231 sub problems to find dead transitions.
[2024-05-23 02:45:28] [INFO ] Flow matrix only has 151 transitions (discarded 82 similar events)
[2024-05-23 02:45:28] [INFO ] Invariant cache hit.
[2024-05-23 02:45:28] [INFO ] State equation strengthened by 29 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (OVERLAPS) 151/246 variables, 95/97 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 29/126 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 231 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/246 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Real declared 246/246 variables, and 126 constraints, problems are : Problem set: 0 solved, 231 unsolved in 4870 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 231 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/95 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/95 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/95 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 3 (OVERLAPS) 151/246 variables, 95/97 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/246 variables, 29/126 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/246 variables, 231/357 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/246 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 231 unsolved
At refinement iteration 7 (OVERLAPS) 0/246 variables, 0/357 constraints. Problems are: Problem set: 0 solved, 231 unsolved
No progress, stopping.
After SMT solving in domain Int declared 246/246 variables, and 357 constraints, problems are : Problem set: 0 solved, 231 unsolved in 5524 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 95/95 constraints, ReadFeed: 29/29 constraints, PredecessorRefiner: 231/231 constraints, Known Traps: 0/0 constraints]
After SMT, in 10525ms problems are : Problem set: 0 solved, 231 unsolved
Search for dead transitions found 0 dead transitions in 10528ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10716 ms. Remains : 95/95 places, 233/233 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 82 transitions
Reduce isomorphic transitions removed 82 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 89 rules applied. Total rules applied 89 place count 95 transition count 144
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 96 place count 88 transition count 144
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 96 place count 88 transition count 127
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 130 place count 71 transition count 127
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 166 place count 53 transition count 109
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 173 place count 46 transition count 95
Iterating global reduction 2 with 7 rules applied. Total rules applied 180 place count 46 transition count 95
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 187 place count 39 transition count 81
Iterating global reduction 2 with 7 rules applied. Total rules applied 194 place count 39 transition count 81
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 201 place count 32 transition count 67
Iterating global reduction 2 with 7 rules applied. Total rules applied 208 place count 32 transition count 67
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 215 place count 32 transition count 60
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 215 place count 32 transition count 59
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 217 place count 31 transition count 59
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 3 with 2 rules applied. Total rules applied 219 place count 30 transition count 60
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 222 place count 30 transition count 57
Applied a total of 222 rules in 15 ms. Remains 30 /95 variables (removed 65) and now considering 57/233 (removed 176) transitions.
Running SMT prover for 6 properties.
// Phase 1: matrix 57 rows 30 cols
[2024-05-23 02:45:38] [INFO ] Computed 2 invariants in 0 ms
[2024-05-23 02:45:38] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-23 02:45:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:45:38] [INFO ] After 21ms SMT Verify possible using state equation in real domain returned unsat :0 sat :5 real:1
[2024-05-23 02:45:38] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:45:38] [INFO ] After 11ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-23 02:45:38] [INFO ] After 62ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-23 02:45:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-23 02:45:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:45:38] [INFO ] After 19ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2024-05-23 02:45:38] [INFO ] After 10ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2024-05-23 02:45:38] [INFO ] After 30ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2024-05-23 02:45:38] [INFO ] After 94ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Over-approximation ignoring read arcs solved 0 properties in 178 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[17, 2303, 10, 12, 12, 1637, 13, 1048, 1737] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:45:38] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:45:38] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 02:45:38] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:45:38] [INFO ] Invariant cache hit.
[2024-05-23 02:45:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:45:38] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:45:38] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:45:38] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:45:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:45:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:45:39] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:45:39] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:45:39] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 8 ms.
[2024-05-23 02:45:39] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 93 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 93 transition count 229
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 22 place count 89 transition count 221
Iterating global reduction 1 with 4 rules applied. Total rules applied 26 place count 89 transition count 221
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 28 place count 89 transition count 219
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 86 transition count 211
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 86 transition count 211
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 84 transition count 207
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 84 transition count 207
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 82 transition count 203
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 82 transition count 203
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 80 transition count 199
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 80 transition count 199
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 78 transition count 195
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 77 transition count 193
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 76 transition count 191
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 76 transition count 191
Applied a total of 54 rules in 18 ms. Remains 76 /102 variables (removed 26) and now considering 191/246 (removed 55) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 76/102 places, 191/246 transitions.
[2024-05-23 02:45:39] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 02:45:39] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 02:45:39] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 849 ms. (1176 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 454 ms. (2197 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 02:45:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:45:40] [INFO ] Invariant cache hit.
[2024-05-23 02:45:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:40] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:45:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:45:40] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:45:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:45:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:40] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:45:40] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:45:40] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 1 ms to minimize.
[2024-05-23 02:45:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2024-05-23 02:45:40] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:45:40] [INFO ] Added : 3 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:45:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:45:40] [INFO ] Invariant cache hit.
[2024-05-23 02:45:40] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 02:45:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:45:40] [INFO ] Invariant cache hit.
[2024-05-23 02:45:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:45:40] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
[2024-05-23 02:45:40] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:45:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:45:40] [INFO ] Invariant cache hit.
[2024-05-23 02:45:40] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2484 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4236 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 6813ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6817ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6987 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:45:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 40007 steps (8 resets) in 77 ms. (512 steps per ms) remains 1/1 properties
BEST_FIRST walk for 33895 steps (7 resets) in 37 ms. (891 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[7] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-00 in 8948 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:45:47] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:45:47] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 11 ms. (833 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:[15] Max Struct:[+inf]
[2024-05-23 02:45:47] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:45:47] [INFO ] Invariant cache hit.
[2024-05-23 02:45:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:45:47] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:45:47] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:45:47] [INFO ] [Real]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:45:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:45:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:45:47] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:45:47] [INFO ] [Nat]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:45:47] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:45:47] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 23 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 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 90 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 87 transition count 218
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 87 transition count 218
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 31 place count 87 transition count 216
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 34 place count 84 transition count 208
Iterating global reduction 2 with 3 rules applied. Total rules applied 37 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 82 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 43 place count 80 transition count 200
Iterating global reduction 2 with 2 rules applied. Total rules applied 45 place count 80 transition count 200
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 47 place count 78 transition count 196
Iterating global reduction 2 with 2 rules applied. Total rules applied 49 place count 78 transition count 196
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 51 place count 76 transition count 192
Iterating global reduction 2 with 2 rules applied. Total rules applied 53 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 54 place count 75 transition count 190
Iterating global reduction 2 with 1 rules applied. Total rules applied 55 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 56 place count 74 transition count 188
Iterating global reduction 2 with 1 rules applied. Total rules applied 57 place count 74 transition count 188
Applied a total of 57 rules in 25 ms. Remains 74 /102 variables (removed 28) and now considering 188/246 (removed 58) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 25 ms. Remains : 74/102 places, 188/246 transitions.
[2024-05-23 02:45:48] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
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 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[15] Max Struct:[+inf]
[2024-05-23 02:45:48] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-23 02:45:48] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[15] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 919 ms. (1086 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 458 ms. (2178 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1572] Max Struct:[+inf]
[2024-05-23 02:45:49] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:49] [INFO ] Invariant cache hit.
[2024-05-23 02:45:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:49] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:45:49] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:45:49] [INFO ] [Real]Added 17 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:45:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:45:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:49] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-23 02:45:49] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:45:49] [INFO ] Deduced a trap composed of 24 places in 38 ms of which 1 ms to minimize.
[2024-05-23 02:45:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2024-05-23 02:45:49] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 7 ms.
[2024-05-23 02:45:49] [INFO ] Added : 5 causal constraints over 4 iterations in 33 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1572] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1572] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 5 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:45:49] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:49] [INFO ] Invariant cache hit.
[2024-05-23 02:45:49] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 02:45:49] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:49] [INFO ] Invariant cache hit.
[2024-05-23 02:45:49] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:45:49] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
[2024-05-23 02:45:49] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:45:49] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:49] [INFO ] Invariant cache hit.
[2024-05-23 02:45:49] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2541 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 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) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 3953 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6585ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6587ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6751 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:45:56] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
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 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1572] Max Struct:[+inf]
[2024-05-23 02:45:56] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1572] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 854 ms. (1169 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 470 ms. (2123 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1572] Max Struct:[+inf]
[2024-05-23 02:45:57] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:57] [INFO ] Invariant cache hit.
[2024-05-23 02:45:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:57] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:45:57] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:45:57] [INFO ] [Real]Added 17 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:45:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:45:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:45:57] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:45:57] [INFO ] [Nat]Added 17 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:45:58] [INFO ] Deduced a trap composed of 24 places in 36 ms of which 1 ms to minimize.
[2024-05-23 02:45:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2024-05-23 02:45:58] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 8 ms.
[2024-05-23 02:45:58] [INFO ] Added : 5 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1572] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1572] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:45:58] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:58] [INFO ] Invariant cache hit.
[2024-05-23 02:45:58] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-23 02:45:58] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:58] [INFO ] Invariant cache hit.
[2024-05-23 02:45:58] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:45:58] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 142 ms to find 0 implicit places.
[2024-05-23 02:45:58] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:45:58] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:45:58] [INFO ] Invariant cache hit.
[2024-05-23 02:45:58] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2530 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 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) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 3915 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6535ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6537ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6687 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:46:04] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
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 :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[1572] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 97 ms. (408 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2050261 steps, run timeout after 3001 ms. (steps per millisecond=683 ) properties seen :0 out of 1
Probabilistic random walk after 2050261 steps, saw 1276199 distinct states, run finished after 3001 ms. (steps per millisecond=683 ) properties seen :0
[2024-05-23 02:46:07] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:46:07] [INFO ] Invariant cache hit.
[2024-05-23 02:46:07] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 161ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 74/74 places, 188/188 transitions.
RANDOM walk for 40003 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2086134 steps, run timeout after 3001 ms. (steps per millisecond=695 ) properties seen :0 out of 1
Probabilistic random walk after 2086134 steps, saw 1298529 distinct states, run finished after 3001 ms. (steps per millisecond=695 ) properties seen :0
[2024-05-23 02:46:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:46:11] [INFO ] Invariant cache hit.
[2024-05-23 02:46:11] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 160ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:46:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:46:11] [INFO ] Invariant cache hit.
[2024-05-23 02:46:11] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 02:46:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:46:11] [INFO ] Invariant cache hit.
[2024-05-23 02:46:11] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:46:11] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
[2024-05-23 02:46:11] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:46:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:46:11] [INFO ] Invariant cache hit.
[2024-05-23 02:46:11] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2549 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 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) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 3986 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6623ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6626ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6785 ms. Remains : 74/74 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 79 rules applied. Total rules applied 79 place count 74 transition count 109
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 85 place count 68 transition count 109
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 85 place count 68 transition count 97
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 109 place count 56 transition count 97
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 141 place count 40 transition count 81
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 33 transition count 67
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 33 transition count 67
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 26 transition count 53
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 26 transition count 53
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 19 transition count 39
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 19 transition count 39
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 190 place count 19 transition count 32
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 190 place count 19 transition count 31
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 192 place count 18 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 17 transition count 31
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 17 transition count 29
Applied a total of 196 rules in 13 ms. Remains 17 /74 variables (removed 57) and now considering 29/188 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 29 rows 17 cols
[2024-05-23 02:46:18] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:46:18] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:46:18] [INFO ] After 25ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:46:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:18] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:46:18] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:46:18] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 02:46:18] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:46:18] [INFO ] After 33ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 74 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1572] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-01 in 30299 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:46:18] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:46:18] [INFO ] Computed 2 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 11 ms. (833 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:[6] Max Struct:[+inf]
[2024-05-23 02:46:18] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:46:18] [INFO ] Invariant cache hit.
[2024-05-23 02:46:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:18] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:46:18] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:46:18] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:46:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:46:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:46:18] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:46:18] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:46:18] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:46:18] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 93 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 93 transition count 230
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 21 place count 89 transition count 222
Iterating global reduction 1 with 4 rules applied. Total rules applied 25 place count 89 transition count 222
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 27 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 30 place count 86 transition count 212
Iterating global reduction 2 with 3 rules applied. Total rules applied 33 place count 86 transition count 212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 35 place count 84 transition count 208
Iterating global reduction 2 with 2 rules applied. Total rules applied 37 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 82 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 43 place count 80 transition count 200
Iterating global reduction 2 with 2 rules applied. Total rules applied 45 place count 80 transition count 200
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 47 place count 78 transition count 196
Iterating global reduction 2 with 2 rules applied. Total rules applied 49 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 77 transition count 194
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 76 transition count 192
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 76 transition count 192
Applied a total of 53 rules in 16 ms. Remains 76 /102 variables (removed 26) and now considering 192/246 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 76/102 places, 192/246 transitions.
[2024-05-23 02:46:18] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {24=1, 31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 52=1, 98=1, 115=1}
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 02:46:18] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-23 02:46:18] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 930 ms. (1074 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 467 ms. (2136 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 02:46:19] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:19] [INFO ] Invariant cache hit.
[2024-05-23 02:46:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:19] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:46:19] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:19] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:46:19] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:19] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:19] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:46:19] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:19] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:46:19] [INFO ] Added : 3 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 17 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:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 5 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 02:46:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:20] [INFO ] Invariant cache hit.
[2024-05-23 02:46:20] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 02:46:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:20] [INFO ] Invariant cache hit.
[2024-05-23 02:46:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:20] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2024-05-23 02:46:20] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:46:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:20] [INFO ] Invariant cache hit.
[2024-05-23 02:46:20] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3643 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4364 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8105ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8107ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8269 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 02:46:28] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {24=1, 31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 52=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 20700 steps (5 resets) in 41 ms. (492 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-03 in 10262 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:46:28] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:46:28] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:46:28] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:46:28] [INFO ] Invariant cache hit.
[2024-05-23 02:46:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:46:28] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:46:28] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:46:28] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:46:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:46:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:46:28] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:46:28] [INFO ] [Nat]Added 37 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:46:28] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 8 ms.
[2024-05-23 02:46:28] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 93 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 93 transition count 230
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 21 place count 89 transition count 222
Iterating global reduction 1 with 4 rules applied. Total rules applied 25 place count 89 transition count 222
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 27 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 30 place count 86 transition count 212
Iterating global reduction 2 with 3 rules applied. Total rules applied 33 place count 86 transition count 212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 35 place count 84 transition count 208
Iterating global reduction 2 with 2 rules applied. Total rules applied 37 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 39 place count 82 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 41 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 43 place count 80 transition count 200
Iterating global reduction 2 with 2 rules applied. Total rules applied 45 place count 80 transition count 200
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 47 place count 78 transition count 196
Iterating global reduction 2 with 2 rules applied. Total rules applied 49 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 50 place count 77 transition count 194
Iterating global reduction 2 with 1 rules applied. Total rules applied 51 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 52 place count 76 transition count 192
Iterating global reduction 2 with 1 rules applied. Total rules applied 53 place count 76 transition count 192
Applied a total of 53 rules in 11 ms. Remains 76 /102 variables (removed 26) and now considering 192/246 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 76/102 places, 192/246 transitions.
[2024-05-23 02:46:28] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 02:46:28] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-23 02:46:28] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 863 ms. (1157 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 456 ms. (2188 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 02:46:30] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:30] [INFO ] Invariant cache hit.
[2024-05-23 02:46:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:30] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:46:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:30] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:46:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:30] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:46:30] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:30] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:46:30] [INFO ] Added : 6 causal constraints over 3 iterations in 29 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 02:46:30] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:30] [INFO ] Invariant cache hit.
[2024-05-23 02:46:30] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 02:46:30] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:30] [INFO ] Invariant cache hit.
[2024-05-23 02:46:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:30] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2024-05-23 02:46:30] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:46:30] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:30] [INFO ] Invariant cache hit.
[2024-05-23 02:46:30] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3440 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4272 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7807ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7810ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7975 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 02:46:38] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 4 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 02:46:38] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000001 steps (3 resets) in 872 ms. (1145 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 438 ms. (2277 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12] Max Struct:[+inf]
[2024-05-23 02:46:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:39] [INFO ] Invariant cache hit.
[2024-05-23 02:46:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:39] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:46:39] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:39] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:46:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:39] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:46:39] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:39] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 02:46:39] [INFO ] Added : 7 causal constraints over 2 iterations in 23 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 02:46:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:39] [INFO ] Invariant cache hit.
[2024-05-23 02:46:39] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 02:46:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:39] [INFO ] Invariant cache hit.
[2024-05-23 02:46:39] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:39] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 163 ms to find 0 implicit places.
[2024-05-23 02:46:39] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:46:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:39] [INFO ] Invariant cache hit.
[2024-05-23 02:46:39] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3476 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4409 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7979ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7981ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8153 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 02:46:47] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[12] Max Struct:[+inf]
[2024-05-23 02:46:48] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[12] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 847 ms. (1179 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 465 ms. (2145 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12] Max Struct:[+inf]
[2024-05-23 02:46:49] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:49] [INFO ] Invariant cache hit.
[2024-05-23 02:46:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:46:49] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:46:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:49] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:46:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:46:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:46:49] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:46:49] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:46:49] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 9 ms.
[2024-05-23 02:46:49] [INFO ] Added : 7 causal constraints over 2 iterations in 27 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 02:46:49] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:49] [INFO ] Invariant cache hit.
[2024-05-23 02:46:49] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 02:46:49] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:49] [INFO ] Invariant cache hit.
[2024-05-23 02:46:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:46:49] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2024-05-23 02:46:49] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:46:49] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:46:49] [INFO ] Invariant cache hit.
[2024-05-23 02:46:49] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3399 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4253 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7748ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7750ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7916 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 02:46:57] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
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 :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[12] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 73 ms. (540 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 2059231 steps, run timeout after 3001 ms. (steps per millisecond=686 ) properties seen :0 out of 1
Probabilistic random walk after 2059231 steps, saw 1281766 distinct states, run finished after 3001 ms. (steps per millisecond=686 ) properties seen :0
[2024-05-23 02:47:00] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:47:00] [INFO ] Invariant cache hit.
[2024-05-23 02:47:00] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/175 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/176 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/175 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 13 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
RANDOM walk for 40002 steps (9 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2049803 steps, run timeout after 3001 ms. (steps per millisecond=683 ) properties seen :0 out of 1
Probabilistic random walk after 2049803 steps, saw 1275898 distinct states, run finished after 3001 ms. (steps per millisecond=683 ) properties seen :0
[2024-05-23 02:47:03] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:47:03] [INFO ] Invariant cache hit.
[2024-05-23 02:47:03] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/175 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/176 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/175 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 157ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 16 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 02:47:03] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:47:03] [INFO ] Invariant cache hit.
[2024-05-23 02:47:03] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 02:47:03] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:47:03] [INFO ] Invariant cache hit.
[2024-05-23 02:47:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:04] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2024-05-23 02:47:04] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:47:04] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 02:47:04] [INFO ] Invariant cache hit.
[2024-05-23 02:47:04] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3521 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4263 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7878ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7882ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8060 ms. Remains : 76/76 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 76 transition count 111
Reduce places removed 7 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 8 rules applied. Total rules applied 89 place count 69 transition count 110
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 90 place count 68 transition count 110
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 90 place count 68 transition count 98
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 114 place count 56 transition count 98
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 144 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 151 place count 34 transition count 69
Iterating global reduction 3 with 7 rules applied. Total rules applied 158 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 165 place count 27 transition count 55
Iterating global reduction 3 with 7 rules applied. Total rules applied 172 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 179 place count 20 transition count 41
Iterating global reduction 3 with 7 rules applied. Total rules applied 186 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 193 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 193 place count 20 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 195 place count 19 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 197 place count 18 transition count 33
Applied a total of 197 rules in 11 ms. Remains 18 /76 variables (removed 58) and now considering 33/192 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 18 cols
[2024-05-23 02:47:11] [INFO ] Computed 2 invariants in 1 ms
[2024-05-23 02:47:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:47:12] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:47:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-23 02:47:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:47:12] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:47:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:47:12] [INFO ] After 1ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 02:47:12] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:47:12] [INFO ] After 30ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 75 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[12] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-04 in 43678 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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]
[2024-05-23 02:47:12] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:47:12] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (4 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 02:47:12] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:47:12] [INFO ] Invariant cache hit.
[2024-05-23 02:47:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:47:12] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:47:12] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:47:12] [INFO ] [Real]Added 37 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:47:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:47:12] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:47:12] [INFO ] [Nat]Added 37 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:47:12] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:47:12] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 93 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 93 transition count 229
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 22 place count 89 transition count 221
Iterating global reduction 1 with 4 rules applied. Total rules applied 26 place count 89 transition count 221
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 28 place count 89 transition count 219
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 86 transition count 211
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 86 transition count 211
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 84 transition count 207
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 84 transition count 207
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 82 transition count 203
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 82 transition count 203
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 80 transition count 199
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 80 transition count 199
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 78 transition count 195
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 77 transition count 193
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 76 transition count 191
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 76 transition count 191
Applied a total of 54 rules in 10 ms. Remains 76 /102 variables (removed 26) and now considering 191/246 (removed 55) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 76/102 places, 191/246 transitions.
[2024-05-23 02:47:12] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 02:47:12] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 02:47:12] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 873 ms. (1144 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 436 ms. (2288 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 02:47:13] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:13] [INFO ] Invariant cache hit.
[2024-05-23 02:47:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:13] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:47:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:13] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:47:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:13] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:47:13] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:47:13] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 0 ms to minimize.
[2024-05-23 02:47:13] [INFO ] Deduced a trap composed of 21 places in 36 ms of which 0 ms to minimize.
[2024-05-23 02:47:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2024-05-23 02:47:13] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-23 02:47:13] [INFO ] Added : 9 causal constraints over 4 iterations in 38 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 1 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:47:13] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:13] [INFO ] Invariant cache hit.
[2024-05-23 02:47:14] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 02:47:14] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:14] [INFO ] Invariant cache hit.
[2024-05-23 02:47:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:14] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2024-05-23 02:47:14] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:47:14] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:14] [INFO ] Invariant cache hit.
[2024-05-23 02:47:14] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2579 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4429 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 7103ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7106ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7262 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:47:21] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
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 :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:47:21] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:21] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 911 ms. (1096 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 446 ms. (2237 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:47:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:22] [INFO ] Invariant cache hit.
[2024-05-23 02:47:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:22] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:47:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:22] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:47:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:22] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-23 02:47:22] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:47:22] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 0 ms to minimize.
[2024-05-23 02:47:22] [INFO ] Deduced a trap composed of 21 places in 37 ms of which 1 ms to minimize.
[2024-05-23 02:47:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 91 ms
[2024-05-23 02:47:22] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:47:22] [INFO ] Added : 11 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 1 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:47:22] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:22] [INFO ] Invariant cache hit.
[2024-05-23 02:47:23] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 02:47:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:23] [INFO ] Invariant cache hit.
[2024-05-23 02:47:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:23] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
[2024-05-23 02:47:23] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:47:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:23] [INFO ] Invariant cache hit.
[2024-05-23 02:47:23] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2557 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4413 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 7074ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7077ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7240 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:47:30] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 33513 steps (7 resets) in 48 ms. (683 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[6] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-05 in 18214 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:47:30] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:47:30] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (3 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 02:47:30] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:47:30] [INFO ] Invariant cache hit.
[2024-05-23 02:47:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:47:30] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:47:30] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:47:30] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:47:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:47:30] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:47:30] [INFO ] [Nat]Added 37 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:47:30] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:47:30] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 90 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 87 transition count 218
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 87 transition count 218
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 31 place count 85 transition count 212
Iterating global reduction 1 with 2 rules applied. Total rules applied 33 place count 85 transition count 212
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 35 place count 83 transition count 208
Iterating global reduction 1 with 2 rules applied. Total rules applied 37 place count 83 transition count 208
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 39 place count 81 transition count 204
Iterating global reduction 1 with 2 rules applied. Total rules applied 41 place count 81 transition count 204
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 43 place count 79 transition count 200
Iterating global reduction 1 with 2 rules applied. Total rules applied 45 place count 79 transition count 200
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 47 place count 77 transition count 196
Iterating global reduction 1 with 2 rules applied. Total rules applied 49 place count 77 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 50 place count 76 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 51 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 52 place count 75 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 53 place count 75 transition count 192
Applied a total of 53 rules in 11 ms. Remains 75 /102 variables (removed 27) and now considering 192/246 (removed 54) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 75/102 places, 192/246 transitions.
[2024-05-23 02:47:30] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-23 02:47:30] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-23 02:47:30] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 905 ms. (1103 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-10 in 1211 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:47:31] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:47:31] [INFO ] Computed 2 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10000 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 02:47:31] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:47:31] [INFO ] Invariant cache hit.
[2024-05-23 02:47:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:47:31] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:47:31] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:47:31] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:47:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:47:31] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:47:31] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:47:31] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:47:31] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 93 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 93 transition count 229
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 22 place count 89 transition count 221
Iterating global reduction 1 with 4 rules applied. Total rules applied 26 place count 89 transition count 221
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 28 place count 89 transition count 219
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 86 transition count 211
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 86 transition count 211
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 84 transition count 207
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 84 transition count 207
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 82 transition count 203
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 82 transition count 203
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 80 transition count 199
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 80 transition count 199
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 78 transition count 195
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 51 place count 77 transition count 193
Iterating global reduction 2 with 1 rules applied. Total rules applied 52 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 53 place count 76 transition count 191
Iterating global reduction 2 with 1 rules applied. Total rules applied 54 place count 76 transition count 191
Applied a total of 54 rules in 11 ms. Remains 76 /102 variables (removed 26) and now considering 191/246 (removed 55) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 76/102 places, 191/246 transitions.
[2024-05-23 02:47:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:47:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 02:47:31] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 847 ms. (1179 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 459 ms. (2173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 02:47:33] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:33] [INFO ] Invariant cache hit.
[2024-05-23 02:47:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:33] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-05-23 02:47:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:33] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:47:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:47:33] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:47:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:47:33] [INFO ] Deduced a trap composed of 15 places in 38 ms of which 1 ms to minimize.
[2024-05-23 02:47:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 44 ms
[2024-05-23 02:47:33] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:47:33] [INFO ] Added : 4 causal constraints over 2 iterations in 22 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:47:33] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:33] [INFO ] Invariant cache hit.
[2024-05-23 02:47:33] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 02:47:33] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:33] [INFO ] Invariant cache hit.
[2024-05-23 02:47:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:33] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
[2024-05-23 02:47:33] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:47:33] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:33] [INFO ] Invariant cache hit.
[2024-05-23 02:47:33] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2551 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4157 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 6803ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6806ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6963 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:47:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
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 :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 02:47:40] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:40] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 818 ms. (1221 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 457 ms. (2183 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[+inf]
[2024-05-23 02:47:41] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:41] [INFO ] Invariant cache hit.
[2024-05-23 02:47:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:47:41] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:47:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:41] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:47:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:41] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:47:41] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:47:41] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 1 ms to minimize.
[2024-05-23 02:47:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2024-05-23 02:47:41] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:47:41] [INFO ] Added : 12 causal constraints over 5 iterations in 41 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:47:41] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:41] [INFO ] Invariant cache hit.
[2024-05-23 02:47:41] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 02:47:41] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:41] [INFO ] Invariant cache hit.
[2024-05-23 02:47:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:42] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
[2024-05-23 02:47:42] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:47:42] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:42] [INFO ] Invariant cache hit.
[2024-05-23 02:47:42] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2664 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4300 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 7059ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7061ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7221 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:47:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2024-05-23 02:47:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 861 ms. (1160 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 455 ms. (2192 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[9] Max Struct:[+inf]
[2024-05-23 02:47:50] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:50] [INFO ] Invariant cache hit.
[2024-05-23 02:47:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:50] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-05-23 02:47:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:50] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:47:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:47:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:47:50] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:47:50] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:47:50] [INFO ] Deduced a trap composed of 15 places in 40 ms of which 1 ms to minimize.
[2024-05-23 02:47:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-23 02:47:50] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 9 ms.
[2024-05-23 02:47:50] [INFO ] Added : 12 causal constraints over 5 iterations in 46 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[9] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[9] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:47:50] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:50] [INFO ] Invariant cache hit.
[2024-05-23 02:47:50] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 02:47:50] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:50] [INFO ] Invariant cache hit.
[2024-05-23 02:47:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:47:50] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
[2024-05-23 02:47:50] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:47:50] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:47:50] [INFO ] Invariant cache hit.
[2024-05-23 02:47:50] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2599 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4058 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 6752ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6754ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6919 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:47:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 40005 steps (8 resets) in 111 ms. (357 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 2039887 steps, run timeout after 3001 ms. (steps per millisecond=679 ) properties seen :0 out of 1
Probabilistic random walk after 2039887 steps, saw 1269725 distinct states, run finished after 3001 ms. (steps per millisecond=679 ) properties seen :0
[2024-05-23 02:48:00] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:48:00] [INFO ] Invariant cache hit.
[2024-05-23 02:48:00] [INFO ] State equation strengthened by 18 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 184ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 12 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40009 steps (8 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
BEST_FIRST walk for 35548 steps (7 resets) in 20 ms. (1692 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[9] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-12 in 29533 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:48:01] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:48:01] [INFO ] Computed 2 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 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:48:01] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:48:01] [INFO ] Invariant cache hit.
[2024-05-23 02:48:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:48:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:48:01] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:48:01] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:48:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:48:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:48:01] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:48:01] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:48:01] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 9 ms.
[2024-05-23 02:48:01] [INFO ] Added : 5 causal constraints over 2 iterations in 32 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 90 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 87 transition count 218
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 87 transition count 218
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 31 place count 87 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 85 transition count 212
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 85 transition count 212
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 36 place count 84 transition count 210
Iterating global reduction 2 with 1 rules applied. Total rules applied 37 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 38 place count 83 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 39 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 40 place count 82 transition count 206
Iterating global reduction 2 with 1 rules applied. Total rules applied 41 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 42 place count 81 transition count 204
Iterating global reduction 2 with 1 rules applied. Total rules applied 43 place count 81 transition count 204
Applied a total of 43 rules in 11 ms. Remains 81 /102 variables (removed 21) and now considering 204/246 (removed 42) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 81/102 places, 204/246 transitions.
[2024-05-23 02:48:01] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 02:48:01] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-23 02:48:01] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 992 ms. (1007 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 489 ms. (2040 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[523] Max Struct:[+inf]
[2024-05-23 02:48:02] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:02] [INFO ] Invariant cache hit.
[2024-05-23 02:48:02] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:48:02] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:48:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:02] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:48:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:48:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:02] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:48:02] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:48:02] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
[2024-05-23 02:48:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-23 02:48:02] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 7 ms.
[2024-05-23 02:48:03] [INFO ] Added : 18 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[523] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[523] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 02:48:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:03] [INFO ] Invariant cache hit.
[2024-05-23 02:48:03] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 02:48:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:03] [INFO ] Invariant cache hit.
[2024-05-23 02:48:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:04] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
[2024-05-23 02:48:04] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 02:48:04] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:04] [INFO ] Invariant cache hit.
[2024-05-23 02:48:04] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3290 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4925 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 8316ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8318ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8489 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 02:48:12] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
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 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[523] Max Struct:[+inf]
[2024-05-23 02:48:12] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[523] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 916 ms. (1090 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 486 ms. (2053 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[549] Max Struct:[+inf]
[2024-05-23 02:48:13] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:13] [INFO ] Invariant cache hit.
[2024-05-23 02:48:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:48:13] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:48:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:13] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:48:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:48:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:13] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:48:14] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:48:14] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-23 02:48:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2024-05-23 02:48:14] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 6 ms.
[2024-05-23 02:48:14] [INFO ] Added : 18 causal constraints over 4 iterations in 41 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[549] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[549] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 02:48:15] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:15] [INFO ] Invariant cache hit.
[2024-05-23 02:48:15] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 02:48:15] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:15] [INFO ] Invariant cache hit.
[2024-05-23 02:48:15] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:15] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
[2024-05-23 02:48:15] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 02:48:15] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:15] [INFO ] Invariant cache hit.
[2024-05-23 02:48:15] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3268 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4753 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 8122ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8124ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8291 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 02:48:23] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
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 :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[549] Max Struct:[+inf]
[2024-05-23 02:48:23] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[549] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 988 ms. (1011 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 457 ms. (2183 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[549] Max Struct:[+inf]
[2024-05-23 02:48:25] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:25] [INFO ] Invariant cache hit.
[2024-05-23 02:48:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:25] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:48:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:25] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:48:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:48:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:48:25] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:48:25] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:48:25] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 1 ms to minimize.
[2024-05-23 02:48:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2024-05-23 02:48:25] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 6 ms.
[2024-05-23 02:48:25] [INFO ] Added : 18 causal constraints over 4 iterations in 42 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[549] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[549] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 02:48:26] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:26] [INFO ] Invariant cache hit.
[2024-05-23 02:48:26] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 02:48:26] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:26] [INFO ] Invariant cache hit.
[2024-05-23 02:48:26] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:26] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2024-05-23 02:48:26] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 02:48:26] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:26] [INFO ] Invariant cache hit.
[2024-05-23 02:48:26] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3240 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4792 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 8137ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8139ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8314 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 02:48:34] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[549] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 71 ms. (555 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1970289 steps, run timeout after 3001 ms. (steps per millisecond=656 ) properties seen :0 out of 1
Probabilistic random walk after 1970289 steps, saw 1208991 distinct states, run finished after 3001 ms. (steps per millisecond=656 ) properties seen :0
[2024-05-23 02:48:37] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:37] [INFO ] Invariant cache hit.
[2024-05-23 02:48:37] [INFO ] State equation strengthened by 18 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 693 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40008 steps (8 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1983782 steps, run timeout after 3001 ms. (steps per millisecond=661 ) properties seen :0 out of 1
Probabilistic random walk after 1983782 steps, saw 1215551 distinct states, run finished after 3001 ms. (steps per millisecond=661 ) properties seen :0
[2024-05-23 02:48:41] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:41] [INFO ] Invariant cache hit.
[2024-05-23 02:48:41] [INFO ] State equation strengthened by 18 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 67 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 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) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 139ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 714 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 02:48:42] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:42] [INFO ] Invariant cache hit.
[2024-05-23 02:48:42] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 02:48:42] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:42] [INFO ] Invariant cache hit.
[2024-05-23 02:48:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:42] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
[2024-05-23 02:48:42] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 02:48:42] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 02:48:42] [INFO ] Invariant cache hit.
[2024-05-23 02:48:42] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3155 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 202 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 202/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 6 (OVERLAPS) 0/206 variables, 0/304 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 304 constraints, problems are : Problem set: 0 solved, 202 unsolved in 4764 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 202/202 constraints, Known Traps: 0/0 constraints]
After SMT, in 8019ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8021ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8181 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 14 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-23 02:48:50] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 02:48:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:50] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 02:48:50] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:48:50] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:48:50] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:48:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:50] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:48:50] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 02:48:50] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:48:50] [INFO ] After 34ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 79 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[549] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-14 in 49848 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:48:50] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
// Phase 1: matrix 165 rows 102 cols
[2024-05-23 02:48:50] [INFO ] Computed 2 invariants in 2 ms
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 (4 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:48:50] [INFO ] Flow matrix only has 165 transitions (discarded 81 similar events)
[2024-05-23 02:48:50] [INFO ] Invariant cache hit.
[2024-05-23 02:48:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:48:50] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:48:50] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-23 02:48:50] [INFO ] [Real]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:48:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:48:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:48:51] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:48:51] [INFO ] [Nat]Added 37 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:48:51] [INFO ] Computed and/alt/rep : 40/85/34 causal constraints (skipped 129 transitions) in 10 ms.
[2024-05-23 02:48:51] [INFO ] Added : 7 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 102 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 102/102 places, 246/246 transitions.
Graph (complete) has 422 edges and 102 vertex of which 90 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 87 transition count 218
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 87 transition count 218
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 31 place count 87 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 33 place count 85 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 35 place count 85 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 36 place count 84 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 37 place count 84 transition count 208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 38 place count 83 transition count 206
Iterating global reduction 2 with 1 rules applied. Total rules applied 39 place count 83 transition count 206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 40 place count 82 transition count 204
Iterating global reduction 2 with 1 rules applied. Total rules applied 41 place count 82 transition count 204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 42 place count 81 transition count 202
Iterating global reduction 2 with 1 rules applied. Total rules applied 43 place count 81 transition count 202
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 44 place count 80 transition count 200
Iterating global reduction 2 with 1 rules applied. Total rules applied 45 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 46 place count 79 transition count 198
Iterating global reduction 2 with 1 rules applied. Total rules applied 47 place count 79 transition count 198
Applied a total of 47 rules in 11 ms. Remains 79 /102 variables (removed 23) and now considering 198/246 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 79/102 places, 198/246 transitions.
[2024-05-23 02:48:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:48:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-23 02:48:51] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 966 ms. (1034 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 443 ms. (2252 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[927] Max Struct:[+inf]
[2024-05-23 02:48:52] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:48:52] [INFO ] Invariant cache hit.
[2024-05-23 02:48:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:48:52] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:48:52] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:52] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:48:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:48:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:48:52] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:48:52] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:48:52] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 6 ms.
[2024-05-23 02:48:52] [INFO ] Added : 15 causal constraints over 4 iterations in 37 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[927] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[927] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 02:48:54] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:48:54] [INFO ] Invariant cache hit.
[2024-05-23 02:48:54] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 02:48:54] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:48:54] [INFO ] Invariant cache hit.
[2024-05-23 02:48:54] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:48:54] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
[2024-05-23 02:48:54] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 02:48:54] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:48:54] [INFO ] Invariant cache hit.
[2024-05-23 02:48:54] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4283 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7409ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7411ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7572 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 02:49:01] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[927] Max Struct:[+inf]
[2024-05-23 02:49:01] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[927] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 891 ms. (1121 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 484 ms. (2061 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[927] Max Struct:[+inf]
[2024-05-23 02:49:03] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:03] [INFO ] Invariant cache hit.
[2024-05-23 02:49:03] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:49:03] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:49:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:49:03] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:49:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:49:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:49:03] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:49:03] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:49:03] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 6 ms.
[2024-05-23 02:49:03] [INFO ] Added : 15 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[927] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[927] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 02:49:05] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:05] [INFO ] Invariant cache hit.
[2024-05-23 02:49:05] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 02:49:05] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:05] [INFO ] Invariant cache hit.
[2024-05-23 02:49:05] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:49:05] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
[2024-05-23 02:49:05] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 02:49:05] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:05] [INFO ] Invariant cache hit.
[2024-05-23 02:49:05] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3029 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4326 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7456ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7458ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7621 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 02:49:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
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 :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[927] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2020760 steps, run timeout after 3001 ms. (steps per millisecond=673 ) properties seen :0 out of 1
Probabilistic random walk after 2020760 steps, saw 1257718 distinct states, run finished after 3001 ms. (steps per millisecond=673 ) properties seen :0
[2024-05-23 02:49:15] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:15] [INFO ] Invariant cache hit.
[2024-05-23 02:49:15] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 161ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 959 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40000 steps (8 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2034898 steps, run timeout after 3001 ms. (steps per millisecond=678 ) properties seen :0 out of 1
Probabilistic random walk after 2034898 steps, saw 1266518 distinct states, run finished after 3001 ms. (steps per millisecond=678 ) properties seen :0
[2024-05-23 02:49:19] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:19] [INFO ] Invariant cache hit.
[2024-05-23 02:49:19] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 158ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 955 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 1 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 1 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 02:49:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:21] [INFO ] Invariant cache hit.
[2024-05-23 02:49:21] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 02:49:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:21] [INFO ] Invariant cache hit.
[2024-05-23 02:49:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:49:21] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
[2024-05-23 02:49:21] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 02:49:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:49:21] [INFO ] Invariant cache hit.
[2024-05-23 02:49:21] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3036 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4207 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7341ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7346ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7509 ms. Remains : 79/79 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 79 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 92 place count 71 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 92 place count 71 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 118 place count 58 transition count 101
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 150 place count 42 transition count 85
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 157 place count 35 transition count 71
Iterating global reduction 2 with 7 rules applied. Total rules applied 164 place count 35 transition count 71
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 28 transition count 57
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 28 transition count 57
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 21 transition count 43
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 21 transition count 43
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 199 place count 21 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 199 place count 21 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 20 transition count 35
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 3 with 2 rules applied. Total rules applied 203 place count 19 transition count 36
Applied a total of 203 rules in 6 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2024-05-23 02:49:28] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 02:49:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:49:28] [INFO ] After 34ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:49:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:49:28] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:49:28] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:49:28] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 02:49:28] [INFO ] After 6ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:49:28] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 79 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[927] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-15 in 37823 ms.
[2024-05-23 02:49:28] [INFO ] Flatten gal took : 42 ms
[2024-05-23 02:49:28] [INFO ] Export to MCC of 8 properties in file /home/mcc/execution/UpperBounds.sr.xml took 1 ms.
[2024-05-23 02:49:28] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 102 places, 246 transitions and 1002 arcs took 4 ms.
Total runtime 662559 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running FunctionPointer-PT-b008

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/413/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 102
TRANSITIONS: 246
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.007s, Sys 0.000s]


SAVING FILE /home/mcc/execution/413/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


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

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

Process ID: 2934
MODEL NAME: /home/mcc/execution/413/model
102 places, 246 transitions.
Enabling coverability test.

Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Creating all event NSFs..
Building monolithic NSF...
Building monolithic NSF...
Building monolithic NSF...
Building monolithic NSF...
Start RS construction.
Start RS construction.
Start RS construction.
Start RS construction.
coverability test failed!!
Convergence in 11 steps.
The state space is infinite.
CANNOT_COMPUTE
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716432569807

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

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="FunctionPointer-PT-b008"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="greatspnxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is FunctionPointer-PT-b008, 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 r179-tall-171640601100237"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b008.tgz
mv FunctionPointer-PT-b008 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 ;