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.r496-tall-171640603000261.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FunctionPointer-PT-b064, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640603000261
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 896K
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K 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 24K May 19 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 11 15:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Apr 11 15:58 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-b064-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717189701980

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b064
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:08:23] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-31 21:08:23] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:08:23] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2024-05-31 21:08:23] [INFO ] Transformed 306 places.
[2024-05-31 21:08:23] [INFO ] Transformed 840 transitions.
[2024-05-31 21:08:23] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 203 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 84 places in 12 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b064-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b064-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b064-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:08:23] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-31 21:08:23] [INFO ] Computed 4 invariants in 25 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 64, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 10015 steps (7 resets) in 43 ms. (227 steps per ms)
FORMULA FunctionPointer-PT-b064-UpperBounds-01 64 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120011 steps (52 resets) in 146 ms. (816 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2, 2, 2, 3, 12, 3, 1, 3, 1, 17, 1, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:08:23] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-31 21:08:23] [INFO ] Invariant cache hit.
[2024-05-31 21:08:23] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-31 21:08:23] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 21:08:23] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2024-05-31 21:08:23] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-31 21:08:23] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:08:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:08:24] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:24] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2024-05-31 21:08:24] [INFO ] [Nat]Added 65 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:08:24] [INFO ] Deduced a trap composed of 52 places in 148 ms of which 13 ms to minimize.
[2024-05-31 21:08:24] [INFO ] Deduced a trap composed of 24 places in 270 ms of which 13 ms to minimize.
[2024-05-31 21:08:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 483 ms
[2024-05-31 21:08:24] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 110 ms.
[2024-05-31 21:08:24] [INFO ] Added : 2 causal constraints over 1 iterations in 197 ms. Result :sat
Minimization took 83 ms.
[2024-05-31 21:08:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:24] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Real]Absence check using state equation in 112 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:08:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Nat]Absence check using state equation in 97 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:08:25] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 48 ms.
[2024-05-31 21:08:25] [INFO ] Added : 2 causal constraints over 1 iterations in 117 ms. Result :sat
Minimization took 80 ms.
[2024-05-31 21:08:25] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:08:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:08:25] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:08:25] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 36 ms.
[2024-05-31 21:08:25] [INFO ] Added : 1 causal constraints over 1 iterations in 78 ms. Result :sat
Minimization took 75 ms.
[2024-05-31 21:08:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:08:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:08:26] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 34 ms.
[2024-05-31 21:08:26] [INFO ] Added : 3 causal constraints over 1 iterations in 77 ms. Result :sat
Minimization took 108 ms.
[2024-05-31 21:08:26] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:08:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-31 21:08:26] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:08:26] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 35 ms.
[2024-05-31 21:08:26] [INFO ] Added : 1 causal constraints over 1 iterations in 85 ms. Result :sat
Minimization took 88 ms.
[2024-05-31 21:08:27] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:08:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:08:27] [INFO ] Deduced a trap composed of 25 places in 102 ms of which 2 ms to minimize.
[2024-05-31 21:08:27] [INFO ] Deduced a trap composed of 22 places in 96 ms of which 1 ms to minimize.
[2024-05-31 21:08:27] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 235 ms
[2024-05-31 21:08:27] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2024-05-31 21:08:27] [INFO ] Added : 2 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 86 ms.
[2024-05-31 21:08:27] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:08:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2024-05-31 21:08:27] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:08:28] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 37 ms.
[2024-05-31 21:08:28] [INFO ] Added : 2 causal constraints over 1 iterations in 86 ms. Result :sat
Minimization took 77 ms.
[2024-05-31 21:08:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 8 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:08:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:08:28] [INFO ] Deduced a trap composed of 26 places in 101 ms of which 2 ms to minimize.
[2024-05-31 21:08:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 123 ms
[2024-05-31 21:08:28] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-31 21:08:28] [INFO ] Added : 2 causal constraints over 1 iterations in 77 ms. Result :sat
Minimization took 80 ms.
[2024-05-31 21:08:28] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:08:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:28] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:08:29] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 26 ms.
[2024-05-31 21:08:29] [INFO ] Added : 2 causal constraints over 1 iterations in 79 ms. Result :sat
Minimization took 78 ms.
[2024-05-31 21:08:29] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Real]Added 65 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:08:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:08:29] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-31 21:08:29] [INFO ] Added : 2 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 81 ms.
[2024-05-31 21:08:29] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:08:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:29] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2024-05-31 21:08:29] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:08:30] [INFO ] Deduced a trap composed of 26 places in 104 ms of which 3 ms to minimize.
[2024-05-31 21:08:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 126 ms
[2024-05-31 21:08:30] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 24 ms.
[2024-05-31 21:08:30] [INFO ] Added : 2 causal constraints over 1 iterations in 71 ms. Result :sat
Minimization took 83 ms.
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Real]Added 65 Read/Feed constraints in 19 ms returned sat
[2024-05-31 21:08:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:08:30] [INFO ] [Nat]Added 65 Read/Feed constraints in 14 ms returned sat
[2024-05-31 21:08:30] [INFO ] Deduced a trap composed of 26 places in 107 ms of which 2 ms to minimize.
[2024-05-31 21:08:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 134 ms
[2024-05-31 21:08:30] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-31 21:08:30] [INFO ] Added : 1 causal constraints over 1 iterations in 68 ms. Result :sat
Minimization took 78 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2, 2, 2, 3, 12, 3, 1, 3, 1, 17, 1, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2, 2, 2, 6, 12, 63, 1, 3, 1, 17, 1, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 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 191 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.4 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 191 transition count 606
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 70 place count 164 transition count 448
Iterating global reduction 1 with 27 rules applied. Total rules applied 97 place count 164 transition count 448
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 125 place count 164 transition count 420
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 139 place count 150 transition count 392
Iterating global reduction 2 with 14 rules applied. Total rules applied 153 place count 150 transition count 392
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 160 place count 143 transition count 378
Iterating global reduction 2 with 7 rules applied. Total rules applied 167 place count 143 transition count 378
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 173 place count 137 transition count 354
Iterating global reduction 2 with 6 rules applied. Total rules applied 179 place count 137 transition count 354
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 184 place count 132 transition count 344
Iterating global reduction 2 with 5 rules applied. Total rules applied 189 place count 132 transition count 344
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 194 place count 127 transition count 324
Iterating global reduction 2 with 5 rules applied. Total rules applied 199 place count 127 transition count 324
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 202 place count 124 transition count 312
Iterating global reduction 2 with 3 rules applied. Total rules applied 205 place count 124 transition count 312
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 208 place count 121 transition count 306
Iterating global reduction 2 with 3 rules applied. Total rules applied 211 place count 121 transition count 306
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 214 place count 118 transition count 300
Iterating global reduction 2 with 3 rules applied. Total rules applied 217 place count 118 transition count 300
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 220 place count 115 transition count 294
Iterating global reduction 2 with 3 rules applied. Total rules applied 223 place count 115 transition count 294
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 226 place count 112 transition count 288
Iterating global reduction 2 with 3 rules applied. Total rules applied 229 place count 112 transition count 288
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 231 place count 110 transition count 284
Iterating global reduction 2 with 2 rules applied. Total rules applied 233 place count 110 transition count 284
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 2 with 10 rules applied. Total rules applied 243 place count 110 transition count 274
Applied a total of 243 rules in 118 ms. Remains 110 /222 variables (removed 112) and now considering 274/648 (removed 374) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 145 ms. Remains : 110/222 places, 274/648 transitions.
[2024-05-31 21:08:31] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 18 resets, run finished after 105 ms. (steps per millisecond=95 ) properties (out of 12) seen :[3, 3, 2, 7, 5, 5, 2, 2, 4, 6, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 3, 2, 7, 12, 63, 2, 3, 4, 17, 2, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:08:31] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:08:31] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 3, 2, 7, 12, 63, 2, 3, 4, 17, 2, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1372 ms. (728 steps per ms)
BEST_FIRST walk for 12000011 steps (690 resets) in 9341 ms. (1284 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[24, 17, 27, 19, 206, 63, 81, 19, 19, 17, 16, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:08:42] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:08:42] [INFO ] Invariant cache hit.
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 21:08:42] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:08:42] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:08:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:42] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:08:42] [INFO ] Added : 2 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:42] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-31 21:08:42] [INFO ] Added : 25 causal constraints over 6 iterations in 91 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:08:42] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:43] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-31 21:08:43] [INFO ] Added : 8 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:08:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:43] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 16 ms.
[2024-05-31 21:08:43] [INFO ] Added : 1 causal constraints over 1 iterations in 41 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:43] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:08:43] [INFO ] Added : 11 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Added 32 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:08:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:08:43] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:08:43] [INFO ] Added : 2 causal constraints over 1 iterations in 40 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:08:43] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:08:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:44] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:08:44] [INFO ] Added : 21 causal constraints over 6 iterations in 80 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:08:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:44] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-31 21:08:44] [INFO ] Added : 17 causal constraints over 4 iterations in 68 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:44] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-31 21:08:44] [INFO ] Added : 30 causal constraints over 7 iterations in 96 ms. Result :sat
Minimization took 37 ms.
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Real]Added 32 Read/Feed constraints in 12 ms returned sat
[2024-05-31 21:08:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:08:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:44] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:08:44] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:08:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:08:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:08:45] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:08:45] [INFO ] Added : 10 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:08:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:08:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:08:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:08:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:08:45] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:08:45] [INFO ] Added : 9 causal constraints over 3 iterations in 55 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[24, 17, 27, 19, 206, 63, 81, 19, 19, 17, 16, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 17, 27, 19, 206, 63, 81, 63, 19, 17, 16, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 16 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 9 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:08:46] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:08:46] [INFO ] Invariant cache hit.
[2024-05-31 21:08:46] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-05-31 21:08:46] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:08:46] [INFO ] Invariant cache hit.
[2024-05-31 21:08:46] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:08:46] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 224 ms to find 0 implicit places.
[2024-05-31 21:08:46] [INFO ] Redundant transitions in 12 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:08:46] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:08:46] [INFO ] Invariant cache hit.
[2024-05-31 21:08:46] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7481 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8407 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 16216ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 16227ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16496 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:09:02] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 14 resets, run finished after 96 ms. (steps per millisecond=104 ) properties (out of 12) seen :[2, 4, 4, 8, 6, 3, 4, 3, 7, 4, 3, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 17, 27, 19, 206, 63, 81, 63, 19, 17, 16, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:09:02] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:02] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 17, 27, 19, 206, 63, 81, 63, 19, 17, 16, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000003 steps (2 resets) in 1597 ms. (625 steps per ms)
BEST_FIRST walk for 12000011 steps (660 resets) in 9511 ms. (1261 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25, 36, 27, 19, 206, 63, 81, 63, 21, 17, 56, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:09:14] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:14] [INFO ] Invariant cache hit.
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:09:14] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:09:14] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:14] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:09:14] [INFO ] Added : 25 causal constraints over 6 iterations in 81 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:09:14] [INFO ] Added : 8 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:09:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:09:14] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:15] [INFO ] Added : 11 causal constraints over 4 iterations in 55 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:09:15] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:09:15] [INFO ] Added : 21 causal constraints over 6 iterations in 72 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:15] [INFO ] Added : 23 causal constraints over 6 iterations in 79 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:16] [INFO ] Added : 30 causal constraints over 7 iterations in 91 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:16] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:09:16] [INFO ] Added : 10 causal constraints over 3 iterations in 60 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-31 21:09:17] [INFO ] Added : 9 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25, 36, 27, 19, 206, 63, 81, 63, 21, 17, 56, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 36, 27, 19, 289, 63, 81, 63, 21, 48, 56, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 8 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 13 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:09:17] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:17] [INFO ] Invariant cache hit.
[2024-05-31 21:09:18] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:09:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:18] [INFO ] Invariant cache hit.
[2024-05-31 21:09:18] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:09:18] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2024-05-31 21:09:18] [INFO ] Redundant transitions in 4 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:09:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:18] [INFO ] Invariant cache hit.
[2024-05-31 21:09:18] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7104 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8081 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15396ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15399ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15628 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:09:33] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 6 resets, run finished after 44 ms. (steps per millisecond=227 ) properties (out of 12) seen :[2, 8, 2, 5, 7, 4, 2, 4, 7, 5, 3, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 36, 27, 19, 289, 63, 81, 63, 21, 48, 56, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:09:33] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:33] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 36, 27, 19, 289, 63, 81, 63, 21, 48, 56, 23] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1400 ms. (713 steps per ms)
BEST_FIRST walk for 12000012 steps (511 resets) in 9658 ms. (1242 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25, 36, 38, 19, 289, 63, 243, 242, 24, 62, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:09:44] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:44] [INFO ] Invariant cache hit.
[2024-05-31 21:09:44] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:44] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:09:44] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:09:44] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:44] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:44] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:44] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:44] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:45] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:45] [INFO ] Added : 25 causal constraints over 6 iterations in 79 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:45] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:45] [INFO ] Added : 8 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:09:45] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:09:45] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:09:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:45] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:09:45] [INFO ] Added : 11 causal constraints over 4 iterations in 66 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:09:45] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:46] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:09:46] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:09:46] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:09:46] [INFO ] Added : 24 causal constraints over 6 iterations in 74 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:46] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:09:46] [INFO ] Added : 10 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:46] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:46] [INFO ] Added : 30 causal constraints over 7 iterations in 88 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:47] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:47] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:09:47] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:09:47] [INFO ] Added : 17 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:09:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:09:47] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:09:47] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:09:47] [INFO ] Added : 9 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25, 36, 38, 19, 289, 63, 243, 242, 24, 62, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 36, 38, 19, 289, 63, 243, 242, 24, 62, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:09:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:49] [INFO ] Invariant cache hit.
[2024-05-31 21:09:49] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-31 21:09:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:49] [INFO ] Invariant cache hit.
[2024-05-31 21:09:49] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:09:49] [INFO ] Implicit Places using invariants and state equation in 138 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
[2024-05-31 21:09:49] [INFO ] Redundant transitions in 3 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:09:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:09:49] [INFO ] Invariant cache hit.
[2024-05-31 21:09:49] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7217 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7860 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15301ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15304ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15530 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:10:04] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 17 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 12) seen :[4, 4, 3, 8, 4, 5, 2, 3, 5, 6, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 36, 38, 19, 289, 63, 243, 242, 24, 62, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-31 21:10:04] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 36, 38, 19, 289, 63, 243, 242, 24, 62, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1214 ms. (823 steps per ms)
FORMULA FunctionPointer-PT-b064-UpperBounds-12 64 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 11000011 steps (578 resets) in 8066 ms. (1363 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25, 36, 38, 19, 289, 63, 243, 242, 25, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:14] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:14] [INFO ] Invariant cache hit.
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:14] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:10:14] [INFO ] [Real]Added 32 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:10:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:14] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:10:14] [INFO ] Added : 25 causal constraints over 6 iterations in 80 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:14] [INFO ] Added : 8 causal constraints over 3 iterations in 59 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:15] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:15] [INFO ] Added : 11 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:10:15] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:15] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:15] [INFO ] Added : 24 causal constraints over 6 iterations in 74 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:15] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:16] [INFO ] Added : 10 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:16] [INFO ] Added : 30 causal constraints over 7 iterations in 83 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:10:16] [INFO ] Added : 17 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:10:16] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:16] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:16] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25, 36, 38, 19, 289, 63, 243, 242, 25, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 36, 38, 45, 289, 63, 243, 242, 25, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:10:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 23 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 11) seen :[5, 4, 4, 5, 2, 7, 3, 2, 3, 1, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 36, 38, 45, 289, 63, 243, 242, 25, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 36, 38, 45, 289, 63, 243, 242, 25, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1250 ms. (799 steps per ms)
BEST_FIRST walk for 11000011 steps (508 resets) in 8225 ms. (1337 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25, 36, 38, 45, 289, 63, 243, 242, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:27] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:27] [INFO ] Invariant cache hit.
[2024-05-31 21:10:27] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:27] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:10:27] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:10:27] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:27] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:10:27] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:27] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:10:27] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:28] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:10:28] [INFO ] Added : 25 causal constraints over 6 iterations in 74 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:10:28] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 8 ms.
[2024-05-31 21:10:28] [INFO ] Added : 8 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:10:28] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:28] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:28] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:28] [INFO ] Added : 11 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:29] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:10:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:10:29] [INFO ] Added : 24 causal constraints over 6 iterations in 78 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:29] [INFO ] Added : 10 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:30] [INFO ] Added : 23 causal constraints over 6 iterations in 92 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:10:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:30] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:30] [INFO ] Added : 17 causal constraints over 4 iterations in 62 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 21:10:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:30] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:10:30] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25, 36, 38, 45, 289, 63, 243, 242, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 242, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:10:32] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:32] [INFO ] Invariant cache hit.
[2024-05-31 21:10:32] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:10:32] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:32] [INFO ] Invariant cache hit.
[2024-05-31 21:10:32] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:10:32] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-31 21:10:32] [INFO ] Redundant transitions in 2 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:10:32] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:32] [INFO ] Invariant cache hit.
[2024-05-31 21:10:32] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7369 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8131 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15706ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15711ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15944 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:10:48] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 5 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 11) seen :[3, 4, 4, 10, 14, 3, 2, 5, 5, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 242, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:48] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 242, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (3 resets) in 1187 ms. (841 steps per ms)
BEST_FIRST walk for 11000011 steps (605 resets) in 8054 ms. (1365 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:10:57] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:10:57] [INFO ] Invariant cache hit.
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:10:57] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:10:57] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:57] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:57] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:57] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:10:57] [INFO ] Added : 25 causal constraints over 6 iterations in 80 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:58] [INFO ] Added : 8 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:58] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:58] [INFO ] Added : 11 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:10:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:58] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:10:58] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:59] [INFO ] Added : 24 causal constraints over 6 iterations in 79 ms. Result :sat
Minimization took 37 ms.
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:10:59] [INFO ] Added : 10 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:10:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:59] [INFO ] Added : 23 causal constraints over 6 iterations in 79 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:10:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:10:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:10:59] [INFO ] Added : 17 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:11:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:00] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:11:00] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:00] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:11:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:11:00] [INFO ] Added : 9 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 4 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:11:01] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:01] [INFO ] Invariant cache hit.
[2024-05-31 21:11:02] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-31 21:11:02] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:02] [INFO ] Invariant cache hit.
[2024-05-31 21:11:02] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:11:02] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
[2024-05-31 21:11:02] [INFO ] Redundant transitions in 1 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:11:02] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:02] [INFO ] Invariant cache hit.
[2024-05-31 21:11:02] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 6951 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8011 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15175ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15178ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15396 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:11:17] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 18 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 11) seen :[4, 5, 4, 8, 5, 8, 2, 2, 5, 1, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:11:17] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 70] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1242 ms. (804 steps per ms)
BEST_FIRST walk for 11000011 steps (566 resets) in 8145 ms. (1350 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:11:26] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:26] [INFO ] Invariant cache hit.
[2024-05-31 21:11:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:26] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:27] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:11:27] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:11:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:27] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 47 ms.
[2024-05-31 21:11:27] [INFO ] Added : 2 causal constraints over 1 iterations in 71 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:27] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:11:27] [INFO ] Added : 25 causal constraints over 6 iterations in 74 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:27] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-31 21:11:27] [INFO ] Added : 8 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:11:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:11:27] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:27] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:11:27] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:28] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:11:28] [INFO ] Added : 11 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:11:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:28] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-31 21:11:28] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:28] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:11:28] [INFO ] Added : 24 causal constraints over 6 iterations in 77 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:11:28] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:11:29] [INFO ] Added : 10 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 13 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 20 ms.
[2024-05-31 21:11:29] [INFO ] Added : 23 causal constraints over 6 iterations in 93 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:11:29] [INFO ] Added : 17 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:11:29] [INFO ] Added : 9 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 4 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:11:31] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:31] [INFO ] Invariant cache hit.
[2024-05-31 21:11:31] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:11:31] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:31] [INFO ] Invariant cache hit.
[2024-05-31 21:11:31] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:11:31] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
[2024-05-31 21:11:31] [INFO ] Redundant transitions in 1 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:11:31] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:31] [INFO ] Invariant cache hit.
[2024-05-31 21:11:31] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7044 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8167 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15427ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15430ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15650 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:11:47] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 17 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 11) seen :[4, 5, 5, 5, 4, 5, 2, 1, 4, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:11:47] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1304 ms. (766 steps per ms)
BEST_FIRST walk for 11000011 steps (603 resets) in 9336 ms. (1178 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:11:58] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:11:58] [INFO ] Invariant cache hit.
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:58] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:11:58] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:11:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:11:58] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:11:58] [INFO ] Added : 25 causal constraints over 6 iterations in 79 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:11:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:11:58] [INFO ] Added : 8 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:11:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:58] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 22 ms.
[2024-05-31 21:11:58] [INFO ] Added : 1 causal constraints over 1 iterations in 39 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-31 21:11:59] [INFO ] Added : 11 causal constraints over 4 iterations in 61 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:11:59] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:11:59] [INFO ] Added : 24 causal constraints over 6 iterations in 79 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:11:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:11:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:11:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:11:59] [INFO ] Added : 10 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:12:00] [INFO ] Added : 23 causal constraints over 6 iterations in 74 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:00] [INFO ] Added : 17 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:12:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 21:12:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:00] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[25, 45, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25, 135, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 4 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:12:02] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:02] [INFO ] Invariant cache hit.
[2024-05-31 21:12:02] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-05-31 21:12:02] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:02] [INFO ] Invariant cache hit.
[2024-05-31 21:12:03] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:12:03] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 222 ms to find 0 implicit places.
[2024-05-31 21:12:03] [INFO ] Redundant transitions in 0 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:12:03] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:03] [INFO ] Invariant cache hit.
[2024-05-31 21:12:03] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7296 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8154 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15629ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15632ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15863 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:12:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 17 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 11) seen :[2, 4, 3, 6, 4, 5, 2, 2, 2, 1, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[25, 135, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:12:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[25, 135, 38, 45, 846, 63, 243, 276, 138, 117, 89] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (3 resets) in 1296 ms. (771 steps per ms)
BEST_FIRST walk for 11000011 steps (531 resets) in 9191 ms. (1196 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[41, 135, 214, 45, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:12:29] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:29] [INFO ] Invariant cache hit.
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:12:29] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:12:29] [INFO ] [Real]Added 32 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:12:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-31 21:12:29] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 7 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:29] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:29] [INFO ] Added : 24 causal constraints over 6 iterations in 83 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:12:29] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:30] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:30] [INFO ] Added : 6 causal constraints over 4 iterations in 52 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:12:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:30] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:30] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:30] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:30] [INFO ] Added : 11 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:12:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:30] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:12:30] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:12:30] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:12:31] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 8 ms.
[2024-05-31 21:12:31] [INFO ] Added : 24 causal constraints over 6 iterations in 84 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:31] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:12:31] [INFO ] Added : 10 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:31] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:31] [INFO ] Added : 23 causal constraints over 6 iterations in 80 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:12:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:12:31] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:31] [INFO ] Added : 17 causal constraints over 4 iterations in 62 ms. Result :sat
Minimization took 39 ms.
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:31] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:12:32] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:32] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:12:32] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:32] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:12:32] [INFO ] Added : 9 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[41, 135, 214, 45, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 15 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:12:34] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:34] [INFO ] Invariant cache hit.
[2024-05-31 21:12:34] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-31 21:12:34] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:34] [INFO ] Invariant cache hit.
[2024-05-31 21:12:34] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:12:34] [INFO ] Implicit Places using invariants and state equation in 155 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-31 21:12:34] [INFO ] Redundant transitions in 1 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:12:34] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:34] [INFO ] Invariant cache hit.
[2024-05-31 21:12:34] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7060 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8102 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15351ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15355ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15607 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:12:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 19 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 11) seen :[5, 3, 3, 6, 7, 7, 1, 3, 5, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:12:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1253 ms. (797 steps per ms)
BEST_FIRST walk for 11000011 steps (581 resets) in 8598 ms. (1279 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:12:59] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:12:59] [INFO ] Invariant cache hit.
[2024-05-31 21:12:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 21:12:59] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:12:59] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:12:59] [INFO ] [Real]Added 32 Read/Feed constraints in 12 ms returned sat
[2024-05-31 21:12:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:12:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:12:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:12:59] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:12:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:12:59] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 15 ms.
[2024-05-31 21:13:00] [INFO ] Added : 2 causal constraints over 1 iterations in 37 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using state equation in 45 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:13:00] [INFO ] Added : 24 causal constraints over 6 iterations in 81 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:13:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:13:00] [INFO ] Added : 6 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-31 21:13:00] [INFO ] Added : 1 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:13:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:13:01] [INFO ] Added : 11 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:13:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:01] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:13:01] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Added 32 Read/Feed constraints in 12 ms returned sat
[2024-05-31 21:13:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:01] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:13:01] [INFO ] Added : 24 causal constraints over 6 iterations in 82 ms. Result :sat
Minimization took 37 ms.
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:01] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:13:01] [INFO ] Added : 10 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:02] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:13:02] [INFO ] Added : 23 causal constraints over 6 iterations in 79 ms. Result :sat
Minimization took 36 ms.
[2024-05-31 21:13:02] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:02] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:13:02] [INFO ] Added : 17 causal constraints over 4 iterations in 73 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:13:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:13:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2024-05-31 21:13:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:02] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-31 21:13:02] [INFO ] Added : 9 causal constraints over 3 iterations in 67 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 12 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:13:04] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:04] [INFO ] Invariant cache hit.
[2024-05-31 21:13:04] [INFO ] Implicit Places using invariants in 88 ms returned []
[2024-05-31 21:13:04] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:04] [INFO ] Invariant cache hit.
[2024-05-31 21:13:04] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:13:05] [INFO ] Implicit Places using invariants and state equation in 157 ms returned []
Implicit Place search using SMT with State Equation took 246 ms to find 0 implicit places.
[2024-05-31 21:13:05] [INFO ] Redundant transitions in 1 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:13:05] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:05] [INFO ] Invariant cache hit.
[2024-05-31 21:13:05] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7229 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8216 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15642ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15645ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15910 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-31 21:13:20] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 11 resets, run finished after 41 ms. (steps per millisecond=243 ) properties (out of 11) seen :[2, 4, 4, 6, 12, 3, 2, 2, 3, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (10 resets) in 943 ms. (42 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 76 ms. (519 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 75 ms. (526 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 50 ms. (784 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 82 ms. (481 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 65 ms. (606 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 68 ms. (579 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 69 ms. (571 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 53 ms. (740 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 60 ms. (655 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 46 ms. (851 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (15 resets) in 77 ms. (512 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 201239 steps, run timeout after 3001 ms. (steps per millisecond=67 ) properties seen :0 out of 12
Probabilistic random walk after 201239 steps, saw 125280 distinct states, run finished after 3017 ms. (steps per millisecond=66 ) properties seen :0
[2024-05-31 21:13:24] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:24] [INFO ] Invariant cache hit.
[2024-05-31 21:13:24] [INFO ] State equation strengthened by 32 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 47/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 106/164 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 79/243 variables, 21/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 28/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 9/252 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/252 variables, 3/112 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/252 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 32/284 variables, 24/136 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/284 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 4/288 variables, 4/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 12 unsolved in 441 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 47/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 106/164 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 79/243 variables, 21/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 28/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 12/120 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 9/252 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/252 variables, 3/124 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/252 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 32/284 variables, 24/148 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 4/152 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/284 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 4/288 variables, 4/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/288 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 0/288 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 156 constraints, problems are : Problem set: 0 solved, 12 unsolved in 593 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 1041ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 7 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 110/110 places, 274/274 transitions.
RANDOM walk for 40000 steps (9 resets) in 159 ms. (250 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (10 resets) in 52 ms. (754 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (11 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (11 resets) in 52 ms. (754 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (12 resets) in 42 ms. (930 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (10 resets) in 44 ms. (888 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (13 resets) in 49 ms. (800 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 36 ms. (1081 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (10 resets) in 41 ms. (952 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 12/12 properties
Interrupted probabilistic random walk after 211627 steps, run timeout after 3001 ms. (steps per millisecond=70 ) properties seen :0 out of 12
Probabilistic random walk after 211627 steps, saw 131746 distinct states, run finished after 3001 ms. (steps per millisecond=70 ) properties seen :0
[2024-05-31 21:13:28] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:28] [INFO ] Invariant cache hit.
[2024-05-31 21:13:28] [INFO ] State equation strengthened by 32 read => feed constraints.
All remaining problems are real, not stopping.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 47/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 106/164 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 79/243 variables, 21/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 28/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 9/252 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/252 variables, 3/112 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/252 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 32/284 variables, 24/136 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/284 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 4/288 variables, 4/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 12 unsolved in 416 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 47/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 106/164 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 79/243 variables, 21/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 28/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 12/120 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 9/252 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/252 variables, 3/124 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/252 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 32/284 variables, 24/148 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 4/152 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/284 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 4/288 variables, 4/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/288 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 0/288 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 156 constraints, problems are : Problem set: 0 solved, 12 unsolved in 557 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 982ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 7 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 11 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-31 21:13:29] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:29] [INFO ] Invariant cache hit.
[2024-05-31 21:13:29] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-31 21:13:29] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:29] [INFO ] Invariant cache hit.
[2024-05-31 21:13:29] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:13:30] [INFO ] Implicit Places using invariants and state equation in 146 ms returned []
Implicit Place search using SMT with State Equation took 213 ms to find 0 implicit places.
[2024-05-31 21:13:30] [INFO ] Redundant transitions in 1 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-31 21:13:30] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:30] [INFO ] Invariant cache hit.
[2024-05-31 21:13:30] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7263 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8097 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15562ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15566ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15797 ms. Remains : 110/110 places, 274/274 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 5 transitions
Trivial Post-agglo rules discarded 5 transitions
Performed 5 trivial Post agglomeration. Transition count delta: 5
Iterating post reduction 0 with 101 rules applied. Total rules applied 101 place count 110 transition count 173
Reduce places removed 5 places and 0 transitions.
Iterating post reduction 1 with 5 rules applied. Total rules applied 106 place count 105 transition count 173
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 106 place count 105 transition count 152
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 148 place count 84 transition count 152
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 184 place count 66 transition count 134
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 190 place count 60 transition count 122
Iterating global reduction 2 with 6 rules applied. Total rules applied 196 place count 60 transition count 122
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 202 place count 54 transition count 110
Iterating global reduction 2 with 6 rules applied. Total rules applied 208 place count 54 transition count 110
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 214 place count 48 transition count 98
Iterating global reduction 2 with 6 rules applied. Total rules applied 220 place count 48 transition count 98
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 226 place count 48 transition count 92
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 232 place count 45 transition count 104
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 238 place count 45 transition count 98
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 239 place count 44 transition count 97
Iterating global reduction 3 with 1 rules applied. Total rules applied 240 place count 44 transition count 97
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 246 place count 44 transition count 91
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 248 place count 44 transition count 91
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 250 place count 44 transition count 89
Applied a total of 250 rules in 32 ms. Remains 44 /110 variables (removed 66) and now considering 89/274 (removed 185) transitions.
Running SMT prover for 12 properties.
// Phase 1: matrix 89 rows 44 cols
[2024-05-31 21:13:45] [INFO ] Computed 2 invariants in 1 ms
[2024-05-31 21:13:45] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-31 21:13:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:45] [INFO ] After 38ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:12
[2024-05-31 21:13:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-31 21:13:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:45] [INFO ] After 44ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :12
[2024-05-31 21:13:45] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:13:45] [INFO ] After 32ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :12
TRAPS : Iteration 0
[2024-05-31 21:13:45] [INFO ] After 82ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :12
[2024-05-31 21:13:45] [INFO ] After 208ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :12
Over-approximation ignoring read arcs solved 0 properties in 291 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[41, 135, 214, 58, 846, 63, 248, 276, 138, 117, 123] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b064-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]
[2024-05-31 21:13:45] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:13:45] [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 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 9 ms. (1000 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[39] Max Struct:[+inf]
[2024-05-31 21:13:45] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:45] [INFO ] Invariant cache hit.
[2024-05-31 21:13:46] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:46] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:46] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:13:46] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:13:46] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:13:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:46] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:46] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:13:46] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:13:46] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:13:46] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-31 21:13:46] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[39] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[39] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 110 transition count 273
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 7 place count 104 transition count 259
Iterating global reduction 1 with 6 rules applied. Total rules applied 13 place count 104 transition count 259
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 17 place count 104 transition count 255
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 24 place count 97 transition count 239
Iterating global reduction 2 with 7 rules applied. Total rules applied 31 place count 97 transition count 239
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 35 place count 97 transition count 235
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 39 place count 93 transition count 225
Iterating global reduction 3 with 4 rules applied. Total rules applied 43 place count 93 transition count 225
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 47 place count 89 transition count 217
Iterating global reduction 3 with 4 rules applied. Total rules applied 51 place count 89 transition count 217
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 55 place count 85 transition count 209
Iterating global reduction 3 with 4 rules applied. Total rules applied 59 place count 85 transition count 209
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 63 place count 81 transition count 201
Iterating global reduction 3 with 4 rules applied. Total rules applied 67 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 69 place count 79 transition count 197
Iterating global reduction 3 with 2 rules applied. Total rules applied 71 place count 79 transition count 197
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 73 place count 77 transition count 193
Iterating global reduction 3 with 2 rules applied. Total rules applied 75 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 76 transition count 191
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 76 transition count 191
Applied a total of 77 rules in 23 ms. Remains 76 /110 variables (removed 34) and now considering 191/274 (removed 83) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 76/110 places, 191/274 transitions.
[2024-05-31 21:13:46] [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 48 ms. (steps per millisecond=208 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[39] Max Struct:[+inf]
[2024-05-31 21:13:46] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-31 21:13:46] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[39] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 950 ms. (1051 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 552 ms. (1808 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[40] Max Struct:[+inf]
[2024-05-31 21:13:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:47] [INFO ] Invariant cache hit.
[2024-05-31 21:13:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:47] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:13:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:47] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:13:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:13:48] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:13:48] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:13:48] [INFO ] Deduced a trap composed of 15 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:13:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 21:13:48] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 10 ms.
[2024-05-31 21:13:48] [INFO ] Added : 26 causal constraints over 9 iterations in 73 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[40] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[40] 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 3 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 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 21:13:48] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:48] [INFO ] Invariant cache hit.
[2024-05-31 21:13:48] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:13:48] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:48] [INFO ] Invariant cache hit.
[2024-05-31 21:13:48] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:48] [INFO ] Implicit Places using invariants and state equation in 209 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
[2024-05-31 21:13:48] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 21:13:48] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:48] [INFO ] Invariant cache hit.
[2024-05-31 21:13:48] [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 2459 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 4646 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 7209ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7212ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7506 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 21:13:55] [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 43 ms. (steps per millisecond=232 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-31 21:13:55] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:13:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 938 ms. (1064 steps per ms)
FORMULA FunctionPointer-PT-b064-UpperBounds-00 +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-b064-UpperBounds-00 in 10853 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-02
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]
[2024-05-31 21:13:56] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:13:56] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 22 ms. (434 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:[3] Max Struct:[+inf]
[2024-05-31 21:13:56] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:13:56] [INFO ] Invariant cache hit.
[2024-05-31 21:13:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:56] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:13:56] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:13:56] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:13:56] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:13:56] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:13:57] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:13:57] [INFO ] Added : 24 causal constraints over 6 iterations in 81 ms. Result :sat
Minimization took 32 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:[3] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 252
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 238
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 238
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 234
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 226
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 226
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 220
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 214
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 208
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 63 place count 82 transition count 204
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 67 place count 80 transition count 200
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 70 place count 79 transition count 198
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 79 transition count 198
Applied a total of 71 rules in 21 ms. Remains 79 /110 variables (removed 31) and now considering 198/274 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 22 ms. Remains : 79/110 places, 198/274 transitions.
[2024-05-31 21:13:57] [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 48 ms. (steps per millisecond=208 ) properties (out of 1) seen :[16]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2024-05-31 21:13:57] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-31 21:13:57] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1034 ms. (966 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 607 ms. (1644 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[741] Max Struct:[+inf]
[2024-05-31 21:13:58] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:13:58] [INFO ] Invariant cache hit.
[2024-05-31 21:13:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:58] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:13:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:58] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:13:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:13:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:13:59] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:13:59] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:13:59] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 11 ms.
[2024-05-31 21:13:59] [INFO ] Added : 15 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[741] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[741] 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 4 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 4 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 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:13:59] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:13:59] [INFO ] Invariant cache hit.
[2024-05-31 21:13:59] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:13:59] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:13:59] [INFO ] Invariant cache hit.
[2024-05-31 21:13:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:13:59] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
[2024-05-31 21:13:59] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:13:59] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:13:59] [INFO ] Invariant cache hit.
[2024-05-31 21:13:59] [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 3475 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 5133 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 8717ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8720ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8891 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:14:08] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[741] Max Struct:[+inf]
[2024-05-31 21:14:08] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[741] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 947 ms. (1054 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[755] Max Struct:[+inf]
[2024-05-31 21:14:09] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:09] [INFO ] Invariant cache hit.
[2024-05-31 21:14:09] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:09] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:14:09] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:09] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:09] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:14:09] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:09] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-31 21:14:09] [INFO ] Added : 15 causal constraints over 4 iterations in 38 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[755] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[755] 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 5 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 5 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 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:14:09] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:09] [INFO ] Invariant cache hit.
[2024-05-31 21:14:09] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-31 21:14:09] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:09] [INFO ] Invariant cache hit.
[2024-05-31 21:14:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:10] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2024-05-31 21:14:10] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:14:10] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:10] [INFO ] Invariant cache hit.
[2024-05-31 21:14:10] [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 3516 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 5065 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 8702ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8705ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8885 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:14:18] [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 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[755] Max Struct:[+inf]
[2024-05-31 21:14:18] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:18] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[755] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 981 ms. (1018 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 617 ms. (1618 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[762] Max Struct:[+inf]
[2024-05-31 21:14:20] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:20] [INFO ] Invariant cache hit.
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:14:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:20] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:20] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-31 21:14:20] [INFO ] Added : 15 causal constraints over 4 iterations in 41 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[762] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[762] 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 6 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 6 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 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:14:20] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:20] [INFO ] Invariant cache hit.
[2024-05-31 21:14:20] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-31 21:14:20] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:20] [INFO ] Invariant cache hit.
[2024-05-31 21:14:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:20] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 165 ms to find 0 implicit places.
[2024-05-31 21:14:20] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:14:20] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:20] [INFO ] Invariant cache hit.
[2024-05-31 21:14:20] [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 3569 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 4907 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 8580ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8583ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8758 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:14:29] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[762] Max Struct:[+inf]
[2024-05-31 21:14:29] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:29] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[762] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1006 ms. (993 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 611 ms. (1633 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[762] Max Struct:[+inf]
[2024-05-31 21:14:31] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:31] [INFO ] Invariant cache hit.
[2024-05-31 21:14:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:31] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:14:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:31] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:31] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:14:31] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:31] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 6 ms.
[2024-05-31 21:14:31] [INFO ] Added : 15 causal constraints over 4 iterations in 40 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[762] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[762] 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 3 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.
[2024-05-31 21:14:31] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:31] [INFO ] Invariant cache hit.
[2024-05-31 21:14:31] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-31 21:14:31] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:31] [INFO ] Invariant cache hit.
[2024-05-31 21:14:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:31] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2024-05-31 21:14:31] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:14:31] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:31] [INFO ] Invariant cache hit.
[2024-05-31 21:14:31] [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 3567 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 5042 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 8738ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8740ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8915 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:14:40] [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 1 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 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[762] Max Struct:[+inf]
RANDOM walk for 40006 steps (8 resets) in 105 ms. (377 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 1957271 steps, run timeout after 3001 ms. (steps per millisecond=652 ) properties seen :0 out of 1
Probabilistic random walk after 1957271 steps, saw 1228115 distinct states, run finished after 3001 ms. (steps per millisecond=652 ) properties seen :0
[2024-05-31 21:14:43] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:43] [INFO ] Invariant cache hit.
[2024-05-31 21:14:43] [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 82 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 122 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 209ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 904 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 40004 steps (8 resets) in 61 ms. (645 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 1974405 steps, run timeout after 3001 ms. (steps per millisecond=657 ) properties seen :0 out of 1
Probabilistic random walk after 1974405 steps, saw 1239876 distinct states, run finished after 3001 ms. (steps per millisecond=657 ) properties seen :0
[2024-05-31 21:14:47] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:47] [INFO ] Invariant cache hit.
[2024-05-31 21:14:47] [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 86 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 74 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 173ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 921 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 3 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 3 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.
[2024-05-31 21:14:48] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:48] [INFO ] Invariant cache hit.
[2024-05-31 21:14:48] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-31 21:14:48] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:48] [INFO ] Invariant cache hit.
[2024-05-31 21:14:48] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:14:48] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2024-05-31 21:14:48] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:14:48] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:14:48] [INFO ] Invariant cache hit.
[2024-05-31 21:14:48] [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 3609 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 4968 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 8688ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8689ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8902 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 15 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
[2024-05-31 21:14:57] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:14:57] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:14:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:14:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:14:57] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:14:57] [INFO ] After 40ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 89 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[762] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-02 in 60827 ms.
Starting property specific reduction for FunctionPointer-PT-b064-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]
[2024-05-31 21:14:57] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:14:57] [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 (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12] Max Struct:[+inf]
[2024-05-31 21:14:57] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:14:57] [INFO ] Invariant cache hit.
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:14:57] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:14:57] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:57] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:14:57] [INFO ] Added : 8 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 31 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 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 19 place count 102 transition count 254
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 25 place count 96 transition count 240
Iterating global reduction 2 with 6 rules applied. Total rules applied 31 place count 96 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 35 place count 96 transition count 236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 39 place count 92 transition count 226
Iterating global reduction 3 with 4 rules applied. Total rules applied 43 place count 92 transition count 226
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 47 place count 88 transition count 218
Iterating global reduction 3 with 4 rules applied. Total rules applied 51 place count 88 transition count 218
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 55 place count 84 transition count 210
Iterating global reduction 3 with 4 rules applied. Total rules applied 59 place count 84 transition count 210
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 63 place count 80 transition count 202
Iterating global reduction 3 with 4 rules applied. Total rules applied 67 place count 80 transition count 202
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 69 place count 78 transition count 198
Iterating global reduction 3 with 2 rules applied. Total rules applied 71 place count 78 transition count 198
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 73 place count 76 transition count 194
Iterating global reduction 3 with 2 rules applied. Total rules applied 75 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 75 transition count 192
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 75 transition count 192
Applied a total of 77 rules in 19 ms. Remains 75 /110 variables (removed 35) and now considering 192/274 (removed 82) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 75/110 places, 192/274 transitions.
[2024-05-31 21:14:57] [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 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[12] Max Struct:[+inf]
[2024-05-31 21:14:58] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-31 21:14:58] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[12] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 945 ms. (1057 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 580 ms. (1721 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1030] Max Struct:[+inf]
[2024-05-31 21:14:59] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:14:59] [INFO ] Invariant cache hit.
[2024-05-31 21:14:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:59] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:14:59] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:14:59] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:14:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:59] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-31 21:14:59] [INFO ] [Nat]Added 17 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:59] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-31 21:14:59] [INFO ] Added : 7 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1030] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1030] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:15:00] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:00] [INFO ] Invariant cache hit.
[2024-05-31 21:15:00] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 21:15:00] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:00] [INFO ] Invariant cache hit.
[2024-05-31 21:15:00] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:00] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
[2024-05-31 21:15:00] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:15:00] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:00] [INFO ] Invariant cache hit.
[2024-05-31 21:15:00] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2689 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4671 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7468ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7471ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7636 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:15:08] [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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[1030] Max Struct:[+inf]
[2024-05-31 21:15:08] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1030] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 958 ms. (1042 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 569 ms. (1754 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1030] Max Struct:[+inf]
[2024-05-31 21:15:09] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:09] [INFO ] Invariant cache hit.
[2024-05-31 21:15:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:10] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:15:10] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:10] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:15:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:15:10] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:15:10] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:15:10] [INFO ] Added : 7 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1030] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1030] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:15:11] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:11] [INFO ] Invariant cache hit.
[2024-05-31 21:15:11] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-31 21:15:11] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:11] [INFO ] Invariant cache hit.
[2024-05-31 21:15:11] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:11] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2024-05-31 21:15:11] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:15:11] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:11] [INFO ] Invariant cache hit.
[2024-05-31 21:15:11] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2590 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4615 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7306ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7308ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7491 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:15:18] [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 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1030] Max Struct:[+inf]
RANDOM walk for 40003 steps (8 resets) in 54 ms. (727 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 2056841 steps, run timeout after 3001 ms. (steps per millisecond=685 ) properties seen :0 out of 1
Probabilistic random walk after 2056841 steps, saw 1305777 distinct states, run finished after 3001 ms. (steps per millisecond=685 ) properties seen :0
[2024-05-31 21:15:21] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:21] [INFO ] Invariant cache hit.
[2024-05-31 21:15:21] [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) 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) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 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) 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) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 176ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 671 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
RANDOM walk for 40000 steps (8 resets) in 101 ms. (392 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2077633 steps, run timeout after 3001 ms. (steps per millisecond=692 ) properties seen :0 out of 1
Probabilistic random walk after 2077633 steps, saw 1320049 distinct states, run finished after 3001 ms. (steps per millisecond=692 ) properties seen :0
[2024-05-31 21:15:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:25] [INFO ] Invariant cache hit.
[2024-05-31 21:15:25] [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) 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) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 94 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 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) 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) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 197ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 672 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:15:26] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:26] [INFO ] Invariant cache hit.
[2024-05-31 21:15:26] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:15:26] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:26] [INFO ] Invariant cache hit.
[2024-05-31 21:15:26] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:26] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
[2024-05-31 21:15:26] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:15:26] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:15:26] [INFO ] Invariant cache hit.
[2024-05-31 21:15:26] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2589 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 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) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4757 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7446ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7448ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7623 ms. Remains : 75/75 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 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 81 rules applied. Total rules applied 81 place count 75 transition count 111
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 87 place count 69 transition count 111
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 87 place count 69 transition count 100
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 109 place count 58 transition count 100
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
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 143 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 150 place count 34 transition count 69
Iterating global reduction 2 with 7 rules applied. Total rules applied 157 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 164 place count 27 transition count 55
Iterating global reduction 2 with 7 rules applied. Total rules applied 171 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 178 place count 20 transition count 41
Iterating global reduction 2 with 7 rules applied. Total rules applied 185 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 192 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 192 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 3 with 2 rules applied. Total rules applied 194 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 3 with 2 rules applied. Total rules applied 196 place count 18 transition count 33
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 199 place count 18 transition count 30
Applied a total of 199 rules in 26 ms. Remains 18 /75 variables (removed 57) and now considering 30/192 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2024-05-31 21:15:34] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:15:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:34] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:15:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:15:34] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:15:34] [INFO ] After 45ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:15:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:34] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:15:34] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:15:34] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:15:34] [INFO ] After 53ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 129 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1030] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-03 in 36615 ms.
Starting property specific reduction for FunctionPointer-PT-b064-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:[64]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[64]
[2024-05-31 21:15:34] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:15:34] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 10000 steps (2 resets) in 13 ms. (714 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:[4] Max Struct:[64]
[2024-05-31 21:15:34] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:15:34] [INFO ] Invariant cache hit.
[2024-05-31 21:15:34] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:15:34] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:15:34] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:15:34] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:15:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:15:34] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:15:34] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:15:34] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:15:34] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[64]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 101 transition count 254
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 101 transition count 254
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 101 transition count 250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 30 place count 94 transition count 234
Iterating global reduction 2 with 7 rules applied. Total rules applied 37 place count 94 transition count 234
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 41 place count 94 transition count 230
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 45 place count 90 transition count 220
Iterating global reduction 3 with 4 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 53 place count 86 transition count 212
Iterating global reduction 3 with 4 rules applied. Total rules applied 57 place count 86 transition count 212
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 61 place count 82 transition count 204
Iterating global reduction 3 with 4 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 69 place count 78 transition count 196
Iterating global reduction 3 with 4 rules applied. Total rules applied 73 place count 78 transition count 196
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 75 place count 76 transition count 192
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 76 transition count 192
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 79 place count 74 transition count 188
Iterating global reduction 3 with 2 rules applied. Total rules applied 81 place count 74 transition count 188
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 82 place count 73 transition count 186
Iterating global reduction 3 with 1 rules applied. Total rules applied 83 place count 73 transition count 186
Applied a total of 83 rules in 16 ms. Remains 73 /110 variables (removed 37) and now considering 186/274 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 73/110 places, 186/274 transitions.
[2024-05-31 21:15:34] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
// Phase 1: matrix 112 rows 73 cols
[2024-05-31 21:15:34] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[64]
RANDOM walk for 1000004 steps (2 resets) in 913 ms. (1094 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 538 ms. (1855 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[12] Max Struct:[64]
[2024-05-31 21:15:35] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:15:35] [INFO ] Invariant cache hit.
[2024-05-31 21:15:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:36] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:15:36] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:15:36] [INFO ] [Real]Added 15 Read/Feed constraints in 34 ms returned sat
[2024-05-31 21:15:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:36] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:15:36] [INFO ] [Nat]Added 15 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:15:36] [INFO ] Deduced a trap composed of 21 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:15:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:15:36] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 59 transitions) in 7 ms.
[2024-05-31 21:15:36] [INFO ] Added : 2 causal constraints over 1 iterations in 18 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[64] Max Struct:[64]
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2024-05-31 21:15:36] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:15:36] [INFO ] Invariant cache hit.
[2024-05-31 21:15:36] [INFO ] Implicit Places using invariants in 103 ms returned []
[2024-05-31 21:15:36] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:15:36] [INFO ] Invariant cache hit.
[2024-05-31 21:15:36] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:15:36] [INFO ] Implicit Places using invariants and state equation in 247 ms returned []
Implicit Place search using SMT with State Equation took 361 ms to find 0 implicit places.
[2024-05-31 21:15:36] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2024-05-31 21:15:36] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:15:36] [INFO ] Invariant cache hit.
[2024-05-31 21:15:36] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 3332 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 275 constraints, problems are : Problem set: 0 solved, 184 unsolved in 4305 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
After SMT, in 7763ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 7767ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8150 ms. Remains : 73/73 places, 186/186 transitions.
[2024-05-31 21:15:44] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:15:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[64] Max Struct:[64]
FORMULA FunctionPointer-PT-b064-UpperBounds-04 64 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 894 ms. (1117 steps per ms)
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-b064-UpperBounds-04 in 11120 ms.
Starting property specific reduction for FunctionPointer-PT-b064-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]
[2024-05-31 21:15:45] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:15:45] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 12 ms. (769 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:[4] Max Struct:[+inf]
[2024-05-31 21:15:45] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:15:45] [INFO ] Invariant cache hit.
[2024-05-31 21:15:45] [INFO ] [Real]Absence check using 1 positive place invariants in 3 ms returned sat
[2024-05-31 21:15:45] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:15:45] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:15:45] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:15:45] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:15:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:45] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:45] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:15:45] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:15:45] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:15:45] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-31 21:15:45] [INFO ] Added : 4 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 101 transition count 254
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 101 transition count 254
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 101 transition count 250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 30 place count 94 transition count 234
Iterating global reduction 2 with 7 rules applied. Total rules applied 37 place count 94 transition count 234
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 41 place count 94 transition count 230
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 45 place count 90 transition count 220
Iterating global reduction 3 with 4 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 53 place count 86 transition count 212
Iterating global reduction 3 with 4 rules applied. Total rules applied 57 place count 86 transition count 212
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 61 place count 82 transition count 204
Iterating global reduction 3 with 4 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 68 place count 79 transition count 198
Iterating global reduction 3 with 3 rules applied. Total rules applied 71 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 72 place count 78 transition count 196
Iterating global reduction 3 with 1 rules applied. Total rules applied 73 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 74 place count 77 transition count 194
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 76 transition count 192
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 76 transition count 192
Applied a total of 77 rules in 10 ms. Remains 76 /110 variables (removed 34) and now considering 192/274 (removed 82) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 76/110 places, 192/274 transitions.
[2024-05-31 21:15:45] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=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 :[17]
Current structural bounds on expressions (after cover walk) : Max Seen:[17] Max Struct:[+inf]
[2024-05-31 21:15:45] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-31 21:15:45] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[17] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 949 ms. (1052 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 597 ms. (1672 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[890] Max Struct:[+inf]
[2024-05-31 21:15:47] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:15:47] [INFO ] Invariant cache hit.
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:15:47] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:47] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:47] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 7 ms.
[2024-05-31 21:15:47] [INFO ] Added : 8 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[890] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[890] 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.
[2024-05-31 21:15:48] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:15:48] [INFO ] Invariant cache hit.
[2024-05-31 21:15:48] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 21:15:48] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:15:48] [INFO ] Invariant cache hit.
[2024-05-31 21:15:48] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:48] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2024-05-31 21:15:48] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:15:48] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:15:48] [INFO ] Invariant cache hit.
[2024-05-31 21:15:48] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 2863 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (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 5359 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8362ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8364ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8575 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 21:15:57] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=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 :[13]
Current structural bounds on expressions (after cover walk) : Max Seen:[890] Max Struct:[+inf]
[2024-05-31 21:15:57] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:15:57] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[890] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 997 ms. (1002 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 596 ms. (1675 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[893] Max Struct:[+inf]
[2024-05-31 21:15:58] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:15:58] [INFO ] Invariant cache hit.
[2024-05-31 21:15:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:59] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:15:59] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:15:59] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:59] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:15:59] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:59] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 7 ms.
[2024-05-31 21:15:59] [INFO ] Added : 8 causal constraints over 4 iterations in 36 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[893] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[893] 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.
[2024-05-31 21:16:00] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:00] [INFO ] Invariant cache hit.
[2024-05-31 21:16:00] [INFO ] Implicit Places using invariants in 100 ms returned []
[2024-05-31 21:16:00] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:00] [INFO ] Invariant cache hit.
[2024-05-31 21:16:00] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:16:00] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 255 ms to find 0 implicit places.
[2024-05-31 21:16:00] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:16:00] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:00] [INFO ] Invariant cache hit.
[2024-05-31 21:16:00] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 2911 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (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 5092 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8162ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8164ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8426 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 21:16:08] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=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 :[14]
Current structural bounds on expressions (after cover walk) : Max Seen:[893] Max Struct:[+inf]
[2024-05-31 21:16:08] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[893] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 920 ms. (1085 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 582 ms. (1715 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[901] Max Struct:[+inf]
[2024-05-31 21:16:10] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:10] [INFO ] Invariant cache hit.
[2024-05-31 21:16:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:10] [INFO ] [Real]Absence check using state equation in 43 ms returned sat
[2024-05-31 21:16:10] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:16:10] [INFO ] [Real]Added 17 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:16:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:16:10] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:10] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 6 ms.
[2024-05-31 21:16:10] [INFO ] Added : 8 causal constraints over 4 iterations in 32 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[901] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[901] 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 7 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 7 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.
[2024-05-31 21:16:11] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:11] [INFO ] Invariant cache hit.
[2024-05-31 21:16:12] [INFO ] Implicit Places using invariants in 139 ms returned []
[2024-05-31 21:16:12] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:12] [INFO ] Invariant cache hit.
[2024-05-31 21:16:12] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:16:12] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
[2024-05-31 21:16:12] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:16:12] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:12] [INFO ] Invariant cache hit.
[2024-05-31 21:16:12] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 2899 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (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 5263 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8302ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8303ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8571 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 21:16:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[901] Max Struct:[+inf]
[2024-05-31 21:16:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[901] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 941 ms. (1061 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 578 ms. (1727 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[901] Max Struct:[+inf]
[2024-05-31 21:16:22] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:22] [INFO ] Invariant cache hit.
[2024-05-31 21:16:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:22] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:16:22] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:16:22] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:16:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:22] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:16:22] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:16:22] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 7 ms.
[2024-05-31 21:16:22] [INFO ] Added : 8 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[901] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[901] 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 4 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 4 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 1 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:16:23] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:23] [INFO ] Invariant cache hit.
[2024-05-31 21:16:23] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:16:23] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:23] [INFO ] Invariant cache hit.
[2024-05-31 21:16:23] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:16:23] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 185 ms to find 0 implicit places.
[2024-05-31 21:16:23] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:16:23] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:23] [INFO ] Invariant cache hit.
[2024-05-31 21:16:23] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 2895 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (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 5399 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8443ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8446ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8638 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 21:16:32] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[901] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 77 ms. (512 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 2054246 steps, run timeout after 3001 ms. (steps per millisecond=684 ) properties seen :0 out of 1
Probabilistic random walk after 2054246 steps, saw 1301312 distinct states, run finished after 3001 ms. (steps per millisecond=684 ) properties seen :0
[2024-05-31 21:16:35] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:35] [INFO ] Invariant cache hit.
[2024-05-31 21:16:35] [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) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/76 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/170 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (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 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 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) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/76 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 94/170 variables, 52/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (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 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 154ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 674 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 40000 steps (8 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1891782 steps, run timeout after 3001 ms. (steps per millisecond=630 ) properties seen :0 out of 1
Probabilistic random walk after 1891782 steps, saw 1200249 distinct states, run finished after 3002 ms. (steps per millisecond=630 ) properties seen :0
[2024-05-31 21:16:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:39] [INFO ] Invariant cache hit.
[2024-05-31 21:16:39] [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) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/76 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/170 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (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 79 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 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) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/76 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 94/170 variables, 52/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (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): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 164ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 702 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.
[2024-05-31 21:16:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:40] [INFO ] Invariant cache hit.
[2024-05-31 21:16:40] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:16:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:40] [INFO ] Invariant cache hit.
[2024-05-31 21:16:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:16:40] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
[2024-05-31 21:16:40] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:16:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:40] [INFO ] Invariant cache hit.
[2024-05-31 21:16:40] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (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 2943 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 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, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (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 5201 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8278ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8280ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8449 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.
Iterating post reduction 1 with 7 rules applied. Total rules applied 88 place count 69 transition count 111
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 88 place count 69 transition count 98
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 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 2 with 30 rules applied. Total rules applied 144 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 151 place count 34 transition count 69
Iterating global reduction 2 with 7 rules applied. Total rules applied 158 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 165 place count 27 transition count 55
Iterating global reduction 2 with 7 rules applied. Total rules applied 172 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 179 place count 20 transition count 41
Iterating global reduction 2 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 2 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 3 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 3 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 3 with 2 rules applied. Total rules applied 197 place count 18 transition count 33
Applied a total of 197 rules in 13 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
[2024-05-31 21:16:48] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:16:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:48] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:16:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:48] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:16:48] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:16:48] [INFO ] After 1ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:16:48] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:16:48] [INFO ] After 40ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 91 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[901] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-05 in 63222 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-07
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]
[2024-05-31 21:16:48] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:16:48] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 16 ms. (588 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:[9] Max Struct:[+inf]
[2024-05-31 21:16:48] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:16:48] [INFO ] Invariant cache hit.
[2024-05-31 21:16:48] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:48] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:16:48] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:16:48] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:16:48] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:16:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:48] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:48] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:16:48] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:16:48] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:16:48] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:16:48] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 29 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:[61] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 104 transition count 260
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 104 transition count 260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 16 place count 104 transition count 256
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 23 place count 97 transition count 240
Iterating global reduction 1 with 7 rules applied. Total rules applied 30 place count 97 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 34 place count 97 transition count 236
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 93 transition count 226
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 93 transition count 226
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 89 transition count 218
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 89 transition count 218
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 85 transition count 210
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 85 transition count 210
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 62 place count 81 transition count 202
Iterating global reduction 2 with 4 rules applied. Total rules applied 66 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 68 place count 79 transition count 198
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 79 transition count 198
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 72 place count 77 transition count 194
Iterating global reduction 2 with 2 rules applied. Total rules applied 74 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 75 place count 76 transition count 192
Iterating global reduction 2 with 1 rules applied. Total rules applied 76 place count 76 transition count 192
Applied a total of 76 rules in 12 ms. Remains 76 /110 variables (removed 34) and now considering 192/274 (removed 82) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 76/110 places, 192/274 transitions.
[2024-05-31 21:16:48] [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 20 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[61] Max Struct:[+inf]
[2024-05-31 21:16:48] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-31 21:16:48] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[61] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 933 ms. (1070 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 550 ms. (1814 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[61] Max Struct:[+inf]
[2024-05-31 21:16:50] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:50] [INFO ] Invariant cache hit.
[2024-05-31 21:16:50] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 3 ms returned sat
[2024-05-31 21:16:50] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:16:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:16:50] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:16:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:16:50] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:16:50] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:50] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-31 21:16:50] [INFO ] Added : 5 causal constraints over 2 iterations in 25 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[61] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[65] 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.
[2024-05-31 21:16:50] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:50] [INFO ] Invariant cache hit.
[2024-05-31 21:16:50] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 21:16:50] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:50] [INFO ] Invariant cache hit.
[2024-05-31 21:16:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:16:50] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
[2024-05-31 21:16:50] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:16:50] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:50] [INFO ] Invariant cache hit.
[2024-05-31 21:16:50] [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 3664 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 4784 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 8562ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8568ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8737 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 21:16:59] [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 21 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-31 21:16:59] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 21:16:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 895 ms. (1116 steps per ms)
FORMULA FunctionPointer-PT-b064-UpperBounds-07 +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-b064-UpperBounds-07 in 11839 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:17:00] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:17:00] [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 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-31 21:17:00] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:17:00] [INFO ] Invariant cache hit.
[2024-05-31 21:17:00] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:17:00] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:17:00] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:17:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:17:00] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:17:00] [INFO ] Added : 13 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 38 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 101 transition count 254
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 101 transition count 254
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 101 transition count 250
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 29 place count 95 transition count 236
Iterating global reduction 2 with 6 rules applied. Total rules applied 35 place count 95 transition count 236
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 39 place count 95 transition count 232
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 42 place count 92 transition count 226
Iterating global reduction 3 with 3 rules applied. Total rules applied 45 place count 92 transition count 226
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 48 place count 89 transition count 220
Iterating global reduction 3 with 3 rules applied. Total rules applied 51 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 54 place count 86 transition count 214
Iterating global reduction 3 with 3 rules applied. Total rules applied 57 place count 86 transition count 214
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 60 place count 83 transition count 208
Iterating global reduction 3 with 3 rules applied. Total rules applied 63 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 206
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 81 transition count 204
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 81 transition count 204
Applied a total of 67 rules in 12 ms. Remains 81 /110 variables (removed 29) and now considering 204/274 (removed 70) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 81/110 places, 204/274 transitions.
[2024-05-31 21:17:00] [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 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-31 21:17:00] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-31 21:17:00] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1048 ms. (953 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 605 ms. (1650 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[643] Max Struct:[+inf]
[2024-05-31 21:17:02] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:02] [INFO ] Invariant cache hit.
[2024-05-31 21:17:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:02] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:17:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:02] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:02] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:17:02] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:02] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:17:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-31 21:17:02] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 8 ms.
[2024-05-31 21:17:02] [INFO ] Added : 16 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[643] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[643] 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.
[2024-05-31 21:17:04] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:04] [INFO ] Invariant cache hit.
[2024-05-31 21:17:04] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:17:04] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:04] [INFO ] Invariant cache hit.
[2024-05-31 21:17:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:04] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
[2024-05-31 21:17:04] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:17:04] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:04] [INFO ] Invariant cache hit.
[2024-05-31 21:17:04] [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
All remaining problems are real, not stopping.
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 2884 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 5275 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 8303ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8306ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8492 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:17:12] [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 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 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[643] Max Struct:[+inf]
[2024-05-31 21:17:12] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[643] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 1031 ms. (968 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 611 ms. (1633 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[643] Max Struct:[+inf]
[2024-05-31 21:17:14] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:14] [INFO ] Invariant cache hit.
[2024-05-31 21:17:14] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:17:14] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:17:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:14] [INFO ] [Real]Added 18 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:17:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:14] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:17:14] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:14] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:17:14] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:17:14] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 7 ms.
[2024-05-31 21:17:14] [INFO ] Added : 16 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[643] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[643] 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 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.
[2024-05-31 21:17:16] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:16] [INFO ] Invariant cache hit.
[2024-05-31 21:17:16] [INFO ] Implicit Places using invariants in 104 ms returned []
[2024-05-31 21:17:16] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:16] [INFO ] Invariant cache hit.
[2024-05-31 21:17:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:16] [INFO ] Implicit Places using invariants and state equation in 113 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
[2024-05-31 21:17:16] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:17:16] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:16] [INFO ] Invariant cache hit.
[2024-05-31 21:17:16] [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
All remaining problems are real, not stopping.
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 2776 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 5169 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 8067ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8071ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8296 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:17:24] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[643] Max Struct:[+inf]
RANDOM walk for 40008 steps (8 resets) in 58 ms. (678 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 2018397 steps, run timeout after 3001 ms. (steps per millisecond=672 ) properties seen :0 out of 1
Probabilistic random walk after 2018397 steps, saw 1284823 distinct states, run finished after 3001 ms. (steps per millisecond=672 ) properties seen :0
[2024-05-31 21:17:27] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:27] [INFO ] Invariant cache hit.
[2024-05-31 21:17:27] [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 83 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 105 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 193ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 956 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 40003 steps (8 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1842087 steps, run timeout after 3001 ms. (steps per millisecond=613 ) properties seen :0 out of 1
Probabilistic random walk after 1842087 steps, saw 1163768 distinct states, run finished after 3001 ms. (steps per millisecond=613 ) properties seen :0
[2024-05-31 21:17:31] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:31] [INFO ] Invariant cache hit.
[2024-05-31 21:17:31] [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 126 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 76 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 219ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 925 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.
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.
[2024-05-31 21:17:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:33] [INFO ] Invariant cache hit.
[2024-05-31 21:17:33] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:17:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:33] [INFO ] Invariant cache hit.
[2024-05-31 21:17:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:33] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2024-05-31 21:17:33] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:17:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:33] [INFO ] Invariant cache hit.
[2024-05-31 21:17:33] [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
All remaining problems are real, not stopping.
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 2824 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 5319 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 8255ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8257ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8467 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 9 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
[2024-05-31 21:17:41] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:17:41] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:17:41] [INFO ] After 11ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:17:41] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:17:41] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:17:41] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:17:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:41] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:17:41] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:17:41] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:17:41] [INFO ] After 40ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 102 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[643] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-08 in 41188 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-09
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]
[2024-05-31 21:17:41] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:17:41] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 12 ms. (769 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:[8] Max Struct:[+inf]
[2024-05-31 21:17:41] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:17:41] [INFO ] Invariant cache hit.
[2024-05-31 21:17:41] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:17:41] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:17:41] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:17:41] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:17:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:17:41] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:17:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:17:41] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:17:41] [INFO ] Added : 17 causal constraints over 4 iterations in 65 ms. Result :sat
Minimization took 33 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 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 252
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 240
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 236
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 228
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 228
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 222
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 222
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 216
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 216
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 210
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 62 place count 83 transition count 208
Iterating global reduction 3 with 1 rules applied. Total rules applied 63 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 206
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 81 transition count 204
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 81 transition count 204
Applied a total of 67 rules in 19 ms. Remains 81 /110 variables (removed 29) and now considering 204/274 (removed 70) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 81/110 places, 204/274 transitions.
[2024-05-31 21:17:41] [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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 21:17:42] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-31 21:17:42] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 957 ms. (1043 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 622 ms. (1605 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[628] Max Struct:[+inf]
[2024-05-31 21:17:43] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:43] [INFO ] Invariant cache hit.
[2024-05-31 21:17:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:43] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:17:43] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:43] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:43] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:17:43] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:43] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 0 ms to minimize.
[2024-05-31 21:17:43] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-31 21:17:43] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 8 ms.
[2024-05-31 21:17:43] [INFO ] Added : 16 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[628] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[628] 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 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.
[2024-05-31 21:17:45] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:45] [INFO ] Invariant cache hit.
[2024-05-31 21:17:45] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:17:45] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:45] [INFO ] Invariant cache hit.
[2024-05-31 21:17:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:45] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2024-05-31 21:17:45] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:17:45] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:45] [INFO ] Invariant cache hit.
[2024-05-31 21:17:45] [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
All remaining problems are real, not stopping.
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 2861 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 5066 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 8035ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8037ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8224 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:17:53] [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 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[628] Max Struct:[+inf]
[2024-05-31 21:17:53] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[628] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 987 ms. (1012 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 622 ms. (1605 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[632] Max Struct:[+inf]
[2024-05-31 21:17:55] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:55] [INFO ] Invariant cache hit.
[2024-05-31 21:17:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:55] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:17:55] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:55] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:55] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:17:55] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:55] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:17:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:17:55] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 10 ms.
[2024-05-31 21:17:55] [INFO ] Added : 16 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[632] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[632] 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 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.
[2024-05-31 21:17:57] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:57] [INFO ] Invariant cache hit.
[2024-05-31 21:17:57] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 21:17:57] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:57] [INFO ] Invariant cache hit.
[2024-05-31 21:17:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:17:57] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2024-05-31 21:17:57] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:17:57] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:17:57] [INFO ] Invariant cache hit.
[2024-05-31 21:17:57] [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
All remaining problems are real, not stopping.
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 2879 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 5196 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 8198ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8200ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8379 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:18:05] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[632] Max Struct:[+inf]
[2024-05-31 21:18:05] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[632] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 932 ms. (1071 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 603 ms. (1655 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[647] Max Struct:[+inf]
[2024-05-31 21:18:07] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:07] [INFO ] Invariant cache hit.
[2024-05-31 21:18:07] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:07] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:18:07] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:07] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:07] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:18:07] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:18:07] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:18:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2024-05-31 21:18:07] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 7 ms.
[2024-05-31 21:18:07] [INFO ] Added : 16 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[647] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[647] 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.
[2024-05-31 21:18:08] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:08] [INFO ] Invariant cache hit.
[2024-05-31 21:18:08] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:18:08] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:08] [INFO ] Invariant cache hit.
[2024-05-31 21:18:08] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:08] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-31 21:18:08] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:18:08] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:08] [INFO ] Invariant cache hit.
[2024-05-31 21:18:08] [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
All remaining problems are real, not stopping.
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 2889 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 4827 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 7822ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7825ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8011 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:18:16] [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 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[647] Max Struct:[+inf]
[2024-05-31 21:18:16] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:16] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[647] 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 670 ms. (1490 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[651] Max Struct:[+inf]
[2024-05-31 21:18:18] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:18] [INFO ] Invariant cache hit.
[2024-05-31 21:18:18] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:18:18] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:18:18] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:18] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:18] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:18:18] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:18:18] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:18:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:18:18] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 10 ms.
[2024-05-31 21:18:18] [INFO ] Added : 16 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[651] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[651] 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 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.
[2024-05-31 21:18:20] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:20] [INFO ] Invariant cache hit.
[2024-05-31 21:18:20] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:18:20] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:20] [INFO ] Invariant cache hit.
[2024-05-31 21:18:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:20] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 185 ms to find 0 implicit places.
[2024-05-31 21:18:20] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:18:20] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:20] [INFO ] Invariant cache hit.
[2024-05-31 21:18:20] [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
All remaining problems are real, not stopping.
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 2876 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 5160 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 8160ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8162ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8355 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:18:28] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[651] Max Struct:[+inf]
[2024-05-31 21:18:28] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[651] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 952 ms. (1049 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 632 ms. (1579 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[651] Max Struct:[+inf]
[2024-05-31 21:18:30] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:30] [INFO ] Invariant cache hit.
[2024-05-31 21:18:30] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:18:30] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:18:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:30] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:30] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:18:30] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:30] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:18:30] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2024-05-31 21:18:30] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 7 ms.
[2024-05-31 21:18:30] [INFO ] Added : 16 causal constraints over 4 iterations in 40 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[651] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[651] 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.
[2024-05-31 21:18:32] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:32] [INFO ] Invariant cache hit.
[2024-05-31 21:18:32] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:18:32] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:32] [INFO ] Invariant cache hit.
[2024-05-31 21:18:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:32] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2024-05-31 21:18:32] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:18:32] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:32] [INFO ] Invariant cache hit.
[2024-05-31 21:18:32] [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
All remaining problems are real, not stopping.
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 2897 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 5022 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 8062ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8065ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8269 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:18:40] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[651] Max Struct:[+inf]
RANDOM walk for 40008 steps (8 resets) in 72 ms. (548 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2025363 steps, run timeout after 3001 ms. (steps per millisecond=674 ) properties seen :0 out of 1
Probabilistic random walk after 2025363 steps, saw 1289603 distinct states, run finished after 3001 ms. (steps per millisecond=674 ) properties seen :0
[2024-05-31 21:18:43] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:43] [INFO ] Invariant cache hit.
[2024-05-31 21:18:43] [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 75 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 72 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 173ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 919 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 40010 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 35 ms. (1111 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2017343 steps, run timeout after 3001 ms. (steps per millisecond=672 ) properties seen :0 out of 1
Probabilistic random walk after 2017343 steps, saw 1284097 distinct states, run finished after 3001 ms. (steps per millisecond=672 ) properties seen :0
[2024-05-31 21:18:47] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:47] [INFO ] Invariant cache hit.
[2024-05-31 21:18:47] [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 82 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 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]
After SMT, in 160ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 921 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.
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.
[2024-05-31 21:18:48] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:48] [INFO ] Invariant cache hit.
[2024-05-31 21:18:48] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 21:18:48] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:48] [INFO ] Invariant cache hit.
[2024-05-31 21:18:48] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:48] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
[2024-05-31 21:18:48] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:18:48] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:18:48] [INFO ] Invariant cache hit.
[2024-05-31 21:18:48] [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
All remaining problems are real, not stopping.
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 2878 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 5093 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 8081ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8083ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8277 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 3 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
[2024-05-31 21:18:56] [INFO ] Computed 3 invariants in 2 ms
[2024-05-31 21:18:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:56] [INFO ] After 11ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:18:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:18:56] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:18:56] [INFO ] After 42ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:18:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:56] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:18:56] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:18:56] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:18:57] [INFO ] After 40ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 91 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[651] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-09 in 75381 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:18:57] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:18:57] [INFO ] Computed 2 invariants in 8 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 19 ms. (500 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 21:18:57] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:18:57] [INFO ] Invariant cache hit.
[2024-05-31 21:18:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:18:57] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:18:57] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:18:57] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:18:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:18:57] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:18:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:18:57] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-31 21:18:57] [INFO ] Added : 30 causal constraints over 7 iterations in 87 ms. Result :sat
Minimization took 35 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:[3] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 252
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 238
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 238
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 234
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 226
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 226
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 220
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 214
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 208
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 63 place count 82 transition count 204
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 67 place count 80 transition count 200
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 70 place count 79 transition count 198
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 79 transition count 198
Applied a total of 71 rules in 12 ms. Remains 79 /110 variables (removed 31) and now considering 198/274 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 79/110 places, 198/274 transitions.
[2024-05-31 21:18:57] [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 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 21:18:57] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-31 21:18:57] [INFO ] Computed 3 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 985 ms. (1014 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 605 ms. (1650 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[724] Max Struct:[+inf]
[2024-05-31 21:18:59] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:18:59] [INFO ] Invariant cache hit.
[2024-05-31 21:18:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:59] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:18:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:59] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:18:59] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:18:59] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:18:59] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-31 21:18:59] [INFO ] Added : 15 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[724] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[724] 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.
[2024-05-31 21:19:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:00] [INFO ] Invariant cache hit.
[2024-05-31 21:19:00] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:19:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:00] [INFO ] Invariant cache hit.
[2024-05-31 21:19:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:00] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-31 21:19:00] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:19:00] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:00] [INFO ] Invariant cache hit.
[2024-05-31 21:19:00] [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 3542 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 4712 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 8356ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8358ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8549 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:19:09] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[18]
Current structural bounds on expressions (after cover walk) : Max Seen:[724] Max Struct:[+inf]
[2024-05-31 21:19:09] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[724] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 922 ms. (1083 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 602 ms. (1658 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[724] Max Struct:[+inf]
[2024-05-31 21:19:10] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:10] [INFO ] Invariant cache hit.
[2024-05-31 21:19:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:19:10] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:19:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:10] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:19:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:10] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-31 21:19:10] [INFO ] Added : 15 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[724] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[724] 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 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:19:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:12] [INFO ] Invariant cache hit.
[2024-05-31 21:19:12] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:19:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:12] [INFO ] Invariant cache hit.
[2024-05-31 21:19:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:12] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 183 ms to find 0 implicit places.
[2024-05-31 21:19:12] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:19:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:12] [INFO ] Invariant cache hit.
[2024-05-31 21:19:12] [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 3530 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 4771 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 8411ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8414ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8616 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:19:20] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[724] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 70 ms. (563 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 1980175 steps, run timeout after 3011 ms. (steps per millisecond=657 ) properties seen :0 out of 1
Probabilistic random walk after 1980175 steps, saw 1243837 distinct states, run finished after 3011 ms. (steps per millisecond=657 ) properties seen :0
[2024-05-31 21:19:23] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:23] [INFO ] Invariant cache hit.
[2024-05-31 21:19:23] [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 72 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 75 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 192ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 787 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 40003 steps (8 resets) in 55 ms. (714 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1981359 steps, run timeout after 3010 ms. (steps per millisecond=658 ) properties seen :0 out of 1
Probabilistic random walk after 1981359 steps, saw 1244648 distinct states, run finished after 3010 ms. (steps per millisecond=658 ) properties seen :0
[2024-05-31 21:19:28] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:28] [INFO ] Invariant cache hit.
[2024-05-31 21:19:28] [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 67 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 182ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 793 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 10 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 11 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 5 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:19:29] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:29] [INFO ] Invariant cache hit.
[2024-05-31 21:19:29] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-31 21:19:29] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:29] [INFO ] Invariant cache hit.
[2024-05-31 21:19:29] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:29] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
[2024-05-31 21:19:29] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:19:29] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:19:29] [INFO ] Invariant cache hit.
[2024-05-31 21:19:29] [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 3590 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 4600 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 8324ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8326ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8531 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 9 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
[2024-05-31 21:19:37] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 21:19:37] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:19:37] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:19:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:37] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:19:37] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:19:37] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:19:37] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:19:37] [INFO ] After 48ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 92 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[724] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-11 in 40627 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:19:37] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:19:37] [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 10 ms. (909 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:19:37] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:19:37] [INFO ] Invariant cache hit.
[2024-05-31 21:19:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:19:37] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:19:37] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:19:37] [INFO ] [Real]Added 32 Read/Feed constraints in 19 ms returned sat
[2024-05-31 21:19:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:19:37] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:19:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 19 ms.
[2024-05-31 21:19:37] [INFO ] Added : 30 causal constraints over 8 iterations in 109 ms. Result :sat
Minimization took 33 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 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 258
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 258
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 254
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 240
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 236
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 230
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 230
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 224
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 218
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 218
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 212
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 62 place count 83 transition count 210
Iterating global reduction 3 with 1 rules applied. Total rules applied 63 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 208
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 208
Applied a total of 65 rules in 17 ms. Remains 82 /110 variables (removed 28) and now considering 208/274 (removed 66) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 82/110 places, 208/274 transitions.
[2024-05-31 21:19:38] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 21:19:38] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2024-05-31 21:19:38] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 942 ms. (1060 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 638 ms. (1564 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[220] Max Struct:[+inf]
[2024-05-31 21:19:39] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:39] [INFO ] Invariant cache hit.
[2024-05-31 21:19:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:39] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:19:39] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:39] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:19:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:39] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:19:39] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:39] [INFO ] Deduced a trap composed of 19 places in 92 ms of which 1 ms to minimize.
[2024-05-31 21:19:39] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 112 ms
[2024-05-31 21:19:39] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 21 ms.
[2024-05-31 21:19:40] [INFO ] Added : 21 causal constraints over 6 iterations in 103 ms. Result :sat
Minimization took 41 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[220] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[220] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 13 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:19:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:40] [INFO ] Invariant cache hit.
[2024-05-31 21:19:40] [INFO ] Implicit Places using invariants in 132 ms returned []
[2024-05-31 21:19:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:40] [INFO ] Invariant cache hit.
[2024-05-31 21:19:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:40] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 256 ms to find 0 implicit places.
[2024-05-31 21:19:40] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:19:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:40] [INFO ] Invariant cache hit.
[2024-05-31 21:19:40] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3978 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5334 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 9431ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9433ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9706 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:19:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=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 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[220] Max Struct:[+inf]
[2024-05-31 21:19:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[220] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1007 ms. (992 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 630 ms. (1584 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[220] Max Struct:[+inf]
[2024-05-31 21:19:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:51] [INFO ] Invariant cache hit.
[2024-05-31 21:19:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:51] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:19:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:51] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:51] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:19:51] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:51] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 1 ms to minimize.
[2024-05-31 21:19:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-31 21:19:51] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-31 21:19:51] [INFO ] Added : 21 causal constraints over 6 iterations in 54 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[220] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[220] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:19:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:51] [INFO ] Invariant cache hit.
[2024-05-31 21:19:51] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-31 21:19:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:51] [INFO ] Invariant cache hit.
[2024-05-31 21:19:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:52] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
[2024-05-31 21:19:52] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:19:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:52] [INFO ] Invariant cache hit.
[2024-05-31 21:19:52] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3835 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5402 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 9380ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9383ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9570 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:20:01] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[220] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 53 ms. (740 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1933946 steps, run timeout after 3001 ms. (steps per millisecond=644 ) properties seen :0 out of 1
Probabilistic random walk after 1933946 steps, saw 1228082 distinct states, run finished after 3001 ms. (steps per millisecond=644 ) properties seen :0
[2024-05-31 21:20:04] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:20:04] [INFO ] Invariant cache hit.
[2024-05-31 21:20:04] [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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 224ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 405 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40004 steps (8 resets) in 52 ms. (754 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 1946788 steps, run timeout after 3001 ms. (steps per millisecond=648 ) properties seen :0 out of 1
Probabilistic random walk after 1946788 steps, saw 1236901 distinct states, run finished after 3002 ms. (steps per millisecond=648 ) properties seen :0
[2024-05-31 21:20:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:20:08] [INFO ] Invariant cache hit.
[2024-05-31 21:20:08] [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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 207ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 395 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:20:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:20:08] [INFO ] Invariant cache hit.
[2024-05-31 21:20:08] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:20:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:20:08] [INFO ] Invariant cache hit.
[2024-05-31 21:20:08] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:20:09] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2024-05-31 21:20:09] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:20:09] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:20:09] [INFO ] Invariant cache hit.
[2024-05-31 21:20:09] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3895 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5399 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 9414ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9416ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9625 ms. Remains : 82/82 places, 208/208 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 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 87 rules applied. Total rules applied 87 place count 82 transition count 121
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 75 transition count 121
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 94 place count 75 transition count 105
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 126 place count 59 transition count 105
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 156 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 62
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 48
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 48
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 40
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 207 place count 22 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 40
Applied a total of 211 rules in 6 ms. Remains 20 /82 variables (removed 62) and now considering 40/208 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 40 rows 20 cols
[2024-05-31 21:20:18] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 21:20:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:18] [INFO ] After 14ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:20:18] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:20:18] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:20:18] [INFO ] After 40ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:20:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:20:18] [INFO ] After 13ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:20:18] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:20:18] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:20:18] [INFO ] After 53ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 102 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[220] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-13 in 40968 ms.
Starting property specific reduction for FunctionPointer-PT-b064-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]
[2024-05-31 21:20:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-31 21:20:18] [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 13 ms. (714 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:[11] Max Struct:[+inf]
[2024-05-31 21:20:18] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-31 21:20:18] [INFO ] Invariant cache hit.
[2024-05-31 21:20:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:20:18] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:20:18] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-31 21:20:18] [INFO ] [Real]Added 32 Read/Feed constraints in 17 ms returned sat
[2024-05-31 21:20:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 21:20:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:20:18] [INFO ] [Nat]Absence check using state equation in 54 ms returned sat
[2024-05-31 21:20:18] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:20:18] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-31 21:20:18] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 42 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 19 place count 102 transition count 254
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 24 place count 97 transition count 242
Iterating global reduction 2 with 5 rules applied. Total rules applied 29 place count 97 transition count 242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 33 place count 93 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 37 place count 93 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 41 place count 89 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 45 place count 89 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 49 place count 85 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 53 place count 85 transition count 216
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 57 place count 81 transition count 208
Iterating global reduction 2 with 4 rules applied. Total rules applied 61 place count 81 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 63 place count 79 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 65 place count 79 transition count 204
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 67 place count 77 transition count 200
Iterating global reduction 2 with 2 rules applied. Total rules applied 69 place count 77 transition count 200
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 70 place count 76 transition count 198
Iterating global reduction 2 with 1 rules applied. Total rules applied 71 place count 76 transition count 198
Applied a total of 71 rules in 13 ms. Remains 76 /110 variables (removed 34) and now considering 198/274 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 76/110 places, 198/274 transitions.
[2024-05-31 21:20:18] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 10 ms.
This minimized invariant on transitions {27=1, 58=1, 103=1, 117=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 21:20:19] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-31 21:20:19] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 973 ms. (1026 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 503 ms. (1984 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[610] Max Struct:[+inf]
[2024-05-31 21:20:20] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:20] [INFO ] Invariant cache hit.
[2024-05-31 21:20:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:20] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:20:20] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:20:20] [INFO ] [Real]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:20:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:20] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:20:20] [INFO ] [Nat]Added 15 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:20:20] [INFO ] Deduced a trap composed of 25 places in 64 ms of which 1 ms to minimize.
[2024-05-31 21:20:20] [INFO ] Deduced a trap composed of 18 places in 67 ms of which 1 ms to minimize.
[2024-05-31 21:20:20] [INFO ] Deduced a trap composed of 16 places in 50 ms of which 0 ms to minimize.
[2024-05-31 21:20:20] [INFO ] Deduced a trap composed of 13 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:20:20] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 261 ms
[2024-05-31 21:20:20] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 65 transitions) in 6 ms.
[2024-05-31 21:20:21] [INFO ] Added : 27 causal constraints over 6 iterations in 55 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[610] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[610] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 1 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:20:22] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:22] [INFO ] Invariant cache hit.
[2024-05-31 21:20:22] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:20:22] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:22] [INFO ] Invariant cache hit.
[2024-05-31 21:20:22] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:20:22] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 197 ms to find 0 implicit places.
[2024-05-31 21:20:22] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:20:22] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:22] [INFO ] Invariant cache hit.
[2024-05-31 21:20:22] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 2950 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 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) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4637 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7703ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7706ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7912 ms. Remains : 76/76 places, 198/198 transitions.
[2024-05-31 21:20:30] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=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, 58=1, 103=1, 117=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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[610] Max Struct:[+inf]
[2024-05-31 21:20:30] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[610] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 975 ms. (1024 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 511 ms. (1953 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[646] Max Struct:[+inf]
[2024-05-31 21:20:31] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:31] [INFO ] Invariant cache hit.
[2024-05-31 21:20:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:31] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:20:31] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:20:31] [INFO ] [Real]Added 15 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:20:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:31] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-31 21:20:31] [INFO ] [Nat]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:20:32] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 0 ms to minimize.
[2024-05-31 21:20:32] [INFO ] Deduced a trap composed of 18 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:20:32] [INFO ] Deduced a trap composed of 16 places in 79 ms of which 1 ms to minimize.
[2024-05-31 21:20:32] [INFO ] Deduced a trap composed of 13 places in 65 ms of which 1 ms to minimize.
[2024-05-31 21:20:32] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 265 ms
[2024-05-31 21:20:32] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 65 transitions) in 7 ms.
[2024-05-31 21:20:32] [INFO ] Added : 27 causal constraints over 6 iterations in 55 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[646] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[646] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 7 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:20:33] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:33] [INFO ] Invariant cache hit.
[2024-05-31 21:20:33] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 21:20:33] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:33] [INFO ] Invariant cache hit.
[2024-05-31 21:20:33] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:20:33] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
[2024-05-31 21:20:33] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:20:33] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:33] [INFO ] Invariant cache hit.
[2024-05-31 21:20:33] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 2926 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 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) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4693 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7713ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7714ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7908 ms. Remains : 76/76 places, 198/198 transitions.
[2024-05-31 21:20:41] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=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, 58=1, 103=1, 117=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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[646] Max Struct:[+inf]
[2024-05-31 21:20:41] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[646] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 986 ms. (1013 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 508 ms. (1964 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[646] Max Struct:[+inf]
[2024-05-31 21:20:43] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:43] [INFO ] Invariant cache hit.
[2024-05-31 21:20:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:43] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:20:43] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:20:43] [INFO ] [Real]Added 15 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:20:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:43] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:20:43] [INFO ] [Nat]Added 15 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:20:43] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:20:43] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:20:43] [INFO ] Deduced a trap composed of 16 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:20:43] [INFO ] Deduced a trap composed of 13 places in 61 ms of which 1 ms to minimize.
[2024-05-31 21:20:43] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 246 ms
[2024-05-31 21:20:43] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 65 transitions) in 7 ms.
[2024-05-31 21:20:43] [INFO ] Added : 27 causal constraints over 6 iterations in 52 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[646] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[646] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:20:45] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:45] [INFO ] Invariant cache hit.
[2024-05-31 21:20:45] [INFO ] Implicit Places using invariants in 119 ms returned []
[2024-05-31 21:20:45] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:45] [INFO ] Invariant cache hit.
[2024-05-31 21:20:45] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:20:45] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 227 ms to find 0 implicit places.
[2024-05-31 21:20:45] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:20:45] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:45] [INFO ] Invariant cache hit.
[2024-05-31 21:20:45] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 2977 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 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) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4733 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7830ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7832ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8066 ms. Remains : 76/76 places, 198/198 transitions.
[2024-05-31 21:20:53] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=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, 58=1, 103=1, 117=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 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[646] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 60 ms. (655 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 2030893 steps, run timeout after 3001 ms. (steps per millisecond=676 ) properties seen :0 out of 1
Probabilistic random walk after 2030893 steps, saw 1285094 distinct states, run finished after 3001 ms. (steps per millisecond=676 ) properties seen :0
[2024-05-31 21:20:56] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:20:56] [INFO ] Invariant cache hit.
[2024-05-31 21:20:56] [INFO ] State equation strengthened by 15 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 8/91 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/91 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 91/182 variables, 52/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 14/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/188 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/188 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/194 variables, 8/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/83 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 8/91 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/91 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 91/182 variables, 52/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 14/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/188 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/188 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/194 variables, 8/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 174ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1164 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 198/198 transitions.
RANDOM walk for 40001 steps (8 resets) in 65 ms. (606 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2011764 steps, run timeout after 3001 ms. (steps per millisecond=670 ) properties seen :0 out of 1
Probabilistic random walk after 2011764 steps, saw 1273187 distinct states, run finished after 3001 ms. (steps per millisecond=670 ) properties seen :0
[2024-05-31 21:21:00] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:21:00] [INFO ] Invariant cache hit.
[2024-05-31 21:21:00] [INFO ] State equation strengthened by 15 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 8/91 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/91 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 91/182 variables, 52/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 14/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/188 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/188 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/194 variables, 8/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 123 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 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) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/83 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 8/91 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/91 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 91/182 variables, 52/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 14/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/188 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/188 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/194 variables, 8/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 220ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1180 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:21:01] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:21:01] [INFO ] Invariant cache hit.
[2024-05-31 21:21:02] [INFO ] Implicit Places using invariants in 75 ms returned []
[2024-05-31 21:21:02] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:21:02] [INFO ] Invariant cache hit.
[2024-05-31 21:21:02] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:21:02] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
[2024-05-31 21:21:02] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:21:02] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-31 21:21:02] [INFO ] Invariant cache hit.
[2024-05-31 21:21:02] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 2929 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 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) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4660 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7715ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7717ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7920 ms. Remains : 76/76 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 76 transition count 114
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 88 place count 72 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 88 place count 72 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 114 place count 59 transition count 101
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
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 148 place count 42 transition count 84
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 155 place count 35 transition count 70
Iterating global reduction 2 with 7 rules applied. Total rules applied 162 place count 35 transition count 70
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 169 place count 28 transition count 56
Iterating global reduction 2 with 7 rules applied. Total rules applied 176 place count 28 transition count 56
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 183 place count 21 transition count 42
Iterating global reduction 2 with 7 rules applied. Total rules applied 190 place count 21 transition count 42
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 197 place count 21 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 197 place count 21 transition count 34
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 199 place count 20 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
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 19 transition count 36
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 204 place count 19 transition count 33
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 205 place count 18 transition count 32
Iterating global reduction 3 with 1 rules applied. Total rules applied 206 place count 18 transition count 32
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 208 place count 18 transition count 30
Applied a total of 208 rules in 6 ms. Remains 18 /76 variables (removed 58) and now considering 30/198 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2024-05-31 21:21:09] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:21:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:09] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:21:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:21:09] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:21:09] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:21:09] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:21:09] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:21:10] [INFO ] After 47ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 90 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[646] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-15 in 51406 ms.
[2024-05-31 21:21:10] [INFO ] Flatten gal took : 101 ms
[2024-05-31 21:21:10] [INFO ] Export to MCC of 8 properties in file /home/mcc/execution/UpperBounds.sr.xml took 3 ms.
[2024-05-31 21:21:10] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 110 places, 274 transitions and 1110 arcs took 5 ms.
Total runtime 767231 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-02
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-03
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-05
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-08
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-09
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-11
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-13
Could not compute solution for formula : FunctionPointer-PT-b064-UpperBounds-15

BK_STOP 1717190470557

--------------------
content from stderr:

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name FunctionPointer-PT-b064-UpperBounds-02
ub formula formula --maxsum=/tmp/2832/ub_0_
ub formula name FunctionPointer-PT-b064-UpperBounds-03
ub formula formula --maxsum=/tmp/2832/ub_1_
ub formula name FunctionPointer-PT-b064-UpperBounds-05
ub formula formula --maxsum=/tmp/2832/ub_2_
ub formula name FunctionPointer-PT-b064-UpperBounds-08
ub formula formula --maxsum=/tmp/2832/ub_3_
ub formula name FunctionPointer-PT-b064-UpperBounds-09
ub formula formula --maxsum=/tmp/2832/ub_4_
ub formula name FunctionPointer-PT-b064-UpperBounds-11
ub formula formula --maxsum=/tmp/2832/ub_5_
ub formula name FunctionPointer-PT-b064-UpperBounds-13
ub formula formula --maxsum=/tmp/2832/ub_6_
ub formula name FunctionPointer-PT-b064-UpperBounds-15
ub formula formula --maxsum=/tmp/2832/ub_7_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-b064"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is FunctionPointer-PT-b064, 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 r496-tall-171640603000261"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b064.tgz
mv FunctionPointer-PT-b064 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 ;