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-171640603000237.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-b008, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640603000237
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 872K
-rw-r--r-- 1 mcc users 6.8K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 75K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.5K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 50K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K May 19 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.0K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K May 19 18:23 LTLFireability.xml
-rw-r--r-- 1 mcc users 9.4K Apr 11 16:06 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 98K Apr 11 16:06 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 14K Apr 11 16:05 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 136K Apr 11 16:05 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 391K May 18 16:42 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b008-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717188647997

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-b008
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 20:50:49] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-31 20:50:49] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 20:50:49] [INFO ] Load time of PNML (sax parser for PT used): 107 ms
[2024-05-31 20:50:49] [INFO ] Transformed 306 places.
[2024-05-31 20:50:49] [INFO ] Transformed 840 transitions.
[2024-05-31 20:50:49] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 208 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 84 places in 11 ms
Reduce places removed 84 places and 192 transitions.
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:50:49] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-31 20:50:49] [INFO ] Computed 4 invariants in 22 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf]
RANDOM walk for 10000 steps (9 resets) in 48 ms. (204 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-11 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 150015 steps (35 resets) in 194 ms. (769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 6, 7, 9, 6, 6, 6, 2, 3, 2, 2, 4, 5, 3, 3] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:50:49] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-31 20:50:49] [INFO ] Invariant cache hit.
[2024-05-31 20:50:49] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2024-05-31 20:50:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Real]Absence check using state equation in 177 ms returned sat
[2024-05-31 20:50:50] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-31 20:50:50] [INFO ] [Real]Added 65 Read/Feed constraints in 18 ms returned sat
[2024-05-31 20:50:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Nat]Absence check using state equation in 81 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Nat]Added 65 Read/Feed constraints in 18 ms returned sat
[2024-05-31 20:50:50] [INFO ] Deduced a trap composed of 44 places in 131 ms of which 11 ms to minimize.
[2024-05-31 20:50:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 177 ms
[2024-05-31 20:50:50] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 54 ms.
[2024-05-31 20:50:50] [INFO ] Added : 2 causal constraints over 1 iterations in 112 ms. Result :sat
Minimization took 84 ms.
[2024-05-31 20:50:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-31 20:50:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 20:50:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 58 ms.
[2024-05-31 20:50:51] [INFO ] Added : 1 causal constraints over 1 iterations in 117 ms. Result :sat
Minimization took 72 ms.
[2024-05-31 20:50:51] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2024-05-31 20:50:51] [INFO ] Added : 2 causal constraints over 1 iterations in 86 ms. Result :sat
Minimization took 81 ms.
[2024-05-31 20:50:51] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 20:50:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Nat]Absence check using state equation in 80 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-31 20:50:52] [INFO ] Deduced a trap composed of 24 places in 113 ms of which 10 ms to minimize.
[2024-05-31 20:50:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 141 ms
[2024-05-31 20:50:52] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-31 20:50:52] [INFO ] Added : 2 causal constraints over 1 iterations in 79 ms. Result :sat
Minimization took 82 ms.
[2024-05-31 20:50:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 20:50:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2024-05-31 20:50:52] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:52] [INFO ] Deduced a trap composed of 25 places in 98 ms of which 1 ms to minimize.
[2024-05-31 20:50:52] [INFO ] Deduced a trap composed of 23 places in 94 ms of which 2 ms to minimize.
[2024-05-31 20:50:52] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 228 ms
[2024-05-31 20:50:52] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-31 20:50:52] [INFO ] Added : 2 causal constraints over 1 iterations in 89 ms. Result :sat
Minimization took 85 ms.
[2024-05-31 20:50:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 6 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Nat]Absence check using state equation in 70 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:53] [INFO ] Deduced a trap composed of 35 places in 112 ms of which 2 ms to minimize.
[2024-05-31 20:50:53] [INFO ] Deduced a trap composed of 25 places in 96 ms of which 2 ms to minimize.
[2024-05-31 20:50:53] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 240 ms
[2024-05-31 20:50:53] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-31 20:50:53] [INFO ] Added : 2 causal constraints over 1 iterations in 73 ms. Result :sat
Minimization took 85 ms.
[2024-05-31 20:50:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:53] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 11 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:54] [INFO ] Deduced a trap composed of 21 places in 94 ms of which 1 ms to minimize.
[2024-05-31 20:50:54] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 2 ms to minimize.
[2024-05-31 20:50:54] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 216 ms
[2024-05-31 20:50:54] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-31 20:50:54] [INFO ] Added : 1 causal constraints over 1 iterations in 68 ms. Result :sat
Minimization took 76 ms.
[2024-05-31 20:50:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:54] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-31 20:50:54] [INFO ] Added : 2 causal constraints over 1 iterations in 80 ms. Result :sat
Minimization took 84 ms.
[2024-05-31 20:50:54] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:54] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 20:50:55] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-31 20:50:55] [INFO ] Added : 2 causal constraints over 1 iterations in 81 ms. Result :sat
Minimization took 79 ms.
[2024-05-31 20:50:55] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 20:50:55] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-31 20:50:55] [INFO ] Added : 2 causal constraints over 1 iterations in 66 ms. Result :sat
Minimization took 78 ms.
[2024-05-31 20:50:55] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:55] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 20:50:56] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-31 20:50:56] [INFO ] Added : 1 causal constraints over 1 iterations in 71 ms. Result :sat
Minimization took 73 ms.
[2024-05-31 20:50:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:56] [INFO ] Deduced a trap composed of 52 places in 100 ms of which 1 ms to minimize.
[2024-05-31 20:50:56] [INFO ] Deduced a trap composed of 24 places in 96 ms of which 1 ms to minimize.
[2024-05-31 20:50:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 237 ms
[2024-05-31 20:50:56] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-31 20:50:56] [INFO ] Added : 2 causal constraints over 1 iterations in 76 ms. Result :sat
Minimization took 84 ms.
[2024-05-31 20:50:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:56] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:50:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-31 20:50:57] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2024-05-31 20:50:57] [INFO ] Added : 1 causal constraints over 1 iterations in 71 ms. Result :sat
Minimization took 75 ms.
[2024-05-31 20:50:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:50:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-31 20:50:57] [INFO ] Deduced a trap composed of 26 places in 102 ms of which 2 ms to minimize.
[2024-05-31 20:50:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 130 ms
[2024-05-31 20:50:57] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-31 20:50:57] [INFO ] Added : 1 causal constraints over 1 iterations in 74 ms. Result :sat
Minimization took 77 ms.
[2024-05-31 20:50:57] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 20:50:57] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:50:58] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-31 20:50:58] [INFO ] [Real]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-31 20:50:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:50:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:50:58] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:50:58] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2024-05-31 20:50:58] [INFO ] [Nat]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 20:50:58] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-31 20:50:58] [INFO ] Added : 2 causal constraints over 1 iterations in 83 ms. Result :sat
Minimization took 74 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 6, 7, 9, 6, 6, 6, 2, 3, 2, 2, 4, 5, 3, 3] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 6, 7, 9, 7, 6, 6, 6, 3, 2, 2, 4, 5, 3, 3] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 15 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 200 are kept as prefixes of interest. Removing 22 places using SCC suffix rule.3 ms
Discarding 22 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 0 with 26 rules applied. Total rules applied 27 place count 200 transition count 622
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 54 place count 173 transition count 462
Iterating global reduction 1 with 27 rules applied. Total rules applied 81 place count 173 transition count 462
Ensure Unique test removed 26 transitions
Reduce isomorphic transitions removed 26 transitions.
Iterating post reduction 1 with 26 rules applied. Total rules applied 107 place count 173 transition count 436
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 123 place count 157 transition count 404
Iterating global reduction 2 with 16 rules applied. Total rules applied 139 place count 157 transition count 404
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 143 place count 157 transition count 400
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 150 place count 150 transition count 386
Iterating global reduction 3 with 7 rules applied. Total rules applied 157 place count 150 transition count 386
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 162 place count 145 transition count 366
Iterating global reduction 3 with 5 rules applied. Total rules applied 167 place count 145 transition count 366
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 171 place count 141 transition count 358
Iterating global reduction 3 with 4 rules applied. Total rules applied 175 place count 141 transition count 358
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 179 place count 137 transition count 342
Iterating global reduction 3 with 4 rules applied. Total rules applied 183 place count 137 transition count 342
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 186 place count 134 transition count 330
Iterating global reduction 3 with 3 rules applied. Total rules applied 189 place count 134 transition count 330
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 192 place count 131 transition count 324
Iterating global reduction 3 with 3 rules applied. Total rules applied 195 place count 131 transition count 324
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 198 place count 128 transition count 318
Iterating global reduction 3 with 3 rules applied. Total rules applied 201 place count 128 transition count 318
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 204 place count 125 transition count 312
Iterating global reduction 3 with 3 rules applied. Total rules applied 207 place count 125 transition count 312
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 209 place count 123 transition count 308
Iterating global reduction 3 with 2 rules applied. Total rules applied 211 place count 123 transition count 308
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 212 place count 122 transition count 306
Iterating global reduction 3 with 1 rules applied. Total rules applied 213 place count 122 transition count 306
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 3 with 10 rules applied. Total rules applied 223 place count 122 transition count 296
Applied a total of 223 rules in 128 ms. Remains 122 /222 variables (removed 100) and now considering 296/648 (removed 352) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 139 ms. Remains : 122/222 places, 296/648 transitions.
[2024-05-31 20:50:58] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 8 resets, run finished after 65 ms. (steps per millisecond=153 ) properties (out of 15) seen :[4, 3, 2, 1, 3, 2, 3, 2, 3, 3, 3, 2, 2, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 6, 7, 9, 7, 6, 6, 6, 3, 3, 3, 4, 5, 3, 3] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:50:58] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:50:58] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[13, 6, 7, 9, 7, 6, 6, 6, 3, 3, 3, 4, 5, 3, 3] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000007 steps (2 resets) in 1329 ms. (751 steps per ms)
BEST_FIRST walk for 15000014 steps (78 resets) in 9253 ms. (1620 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 9, 7, 9, 7, 6, 25, 6, 13, 171, 413, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:51:09] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:09] [INFO ] Invariant cache hit.
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 20:51:09] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:51:09] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:09] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:09] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:09] [INFO ] [Nat]Absence check using 1 positive place invariants in 6 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:09] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:09] [INFO ] Added : 1 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:09] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using state equation in 50 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:10] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:10] [INFO ] Added : 2 causal constraints over 1 iterations in 39 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:10] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:51:10] [INFO ] Added : 2 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using state equation in 53 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:10] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:10] [INFO ] Added : 2 causal constraints over 1 iterations in 43 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:10] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 17 ms.
[2024-05-31 20:51:10] [INFO ] Added : 2 causal constraints over 1 iterations in 38 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Added 43 Read/Feed constraints in 7 ms returned sat
[2024-05-31 20:51:11] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:11] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:11] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:11] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:11] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:51:11] [INFO ] Added : 11 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:11] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:11] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:11] [INFO ] Added : 11 causal constraints over 4 iterations in 64 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Added 43 Read/Feed constraints in 7 ms returned sat
[2024-05-31 20:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:12] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:51:12] [INFO ] Added : 1 causal constraints over 1 iterations in 37 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:12] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:12] [INFO ] Added : 2 causal constraints over 1 iterations in 39 ms. Result :sat
Minimization took 35 ms.
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:12] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:12] [INFO ] Added : 1 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:12] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:12] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:12] [INFO ] Added : 10 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:51:13] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:13] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:13] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:13] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:13] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:13] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:13] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:13] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 9, 7, 9, 7, 6, 25, 6, 13, 171, 413, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 9, 7, 9, 7, 6, 25, 6, 13, 171, 413, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 15 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 9 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 122/122 places, 296/296 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 10 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-31 20:51:13] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:13] [INFO ] Invariant cache hit.
[2024-05-31 20:51:13] [INFO ] Implicit Places using invariants in 81 ms returned []
[2024-05-31 20:51:13] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:13] [INFO ] Invariant cache hit.
[2024-05-31 20:51:13] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:51:13] [INFO ] Implicit Places using invariants and state equation in 156 ms returned []
Implicit Place search using SMT with State Equation took 240 ms to find 0 implicit places.
[2024-05-31 20:51:13] [INFO ] Redundant transitions in 22 ms returned []
Running 294 sub problems to find dead transitions.
[2024-05-31 20:51:13] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:13] [INFO ] Invariant cache hit.
[2024-05-31 20:51:13] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 294 unsolved in 7951 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 294/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 461 constraints, problems are : Problem set: 0 solved, 294 unsolved in 9422 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
After SMT, in 17714ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 17726ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18021 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-31 20:51:31] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 14 resets, run finished after 114 ms. (steps per millisecond=87 ) properties (out of 15) seen :[3, 5, 3, 3, 3, 4, 2, 3, 2, 2, 4, 4, 3, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 9, 7, 9, 7, 6, 25, 6, 13, 171, 413, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:51:31] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 9, 7, 9, 7, 6, 25, 6, 13, 171, 413, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (4 resets) in 1262 ms. (791 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-07 8 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 14000012 steps (72 resets) in 8743 ms. (1601 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 1510, 7, 9, 7, 6, 25, 106, 228, 457, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:51:41] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:41] [INFO ] Invariant cache hit.
[2024-05-31 20:51:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:41] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:51:41] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:41] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:41] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:51:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:41] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:41] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:41] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:42] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:51:42] [INFO ] Added : 2 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:42] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:42] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:42] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:42] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:42] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:42] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:42] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:43] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:43] [INFO ] Added : 1 causal constraints over 1 iterations in 40 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:43] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:43] [INFO ] Added : 11 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:43] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:43] [INFO ] Added : 11 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:51:43] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:43] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:51:43] [INFO ] Added : 1 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:44] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:51:44] [INFO ] Added : 2 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Added 43 Read/Feed constraints in 12 ms returned sat
[2024-05-31 20:51:44] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:51:44] [INFO ] Added : 1 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:44] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:44] [INFO ] Added : 10 causal constraints over 3 iterations in 61 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:44] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:44] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:51:45] [INFO ] Added : 9 causal constraints over 3 iterations in 59 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 1510, 7, 9, 7, 6, 25, 106, 228, 457, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 1510, 7, 9, 7, 6, 25, 106, 228, 457, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 8 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-31 20:51:45] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 40 ms. (steps per millisecond=250 ) properties (out of 14) seen :[0, 6, 1, 1, 1, 0, 4, 3, 3, 2, 1, 4, 0, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 1510, 7, 9, 7, 6, 25, 106, 228, 457, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:51:45] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 1510, 7, 9, 7, 6, 25, 106, 228, 457, 10, 361, 651, 502] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1380 ms. (724 steps per ms)
BEST_FIRST walk for 14000014 steps (77 resets) in 9120 ms. (1534 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 1510, 7, 9, 7, 6, 451, 293, 250, 457, 10, 361, 651, 987] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:51:55] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:55] [INFO ] Invariant cache hit.
[2024-05-31 20:51:55] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:55] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:55] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:55] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:51:55] [INFO ] [Real]Added 43 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:51:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:55] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:55] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:55] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:55] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:55] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:55] [INFO ] Added : 2 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:56] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:56] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:56] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:51:56] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:56] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:51:56] [INFO ] Added : 2 causal constraints over 1 iterations in 52 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Absence check using state equation in 48 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:51:56] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:56] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:51:56] [INFO ] Added : 2 causal constraints over 1 iterations in 42 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:57] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:57] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:57] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:57] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:57] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:57] [INFO ] Added : 11 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:51:57] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:57] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:57] [INFO ] Added : 11 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:58] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:58] [INFO ] Added : 1 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:51:58] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:58] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:58] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:51:58] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:51:58] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:58] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:51:58] [INFO ] Added : 10 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 20:51:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:51:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:59] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:51:59] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:51:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:51:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:51:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:51:59] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:51:59] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:51:59] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:51:59] [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:[13, 1510, 7, 9, 7, 6, 451, 293, 250, 457, 10, 361, 651, 987] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 1510, 7, 9, 7, 6, 451, 293, 250, 457, 10, 361, 651, 987] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 9 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 122/122 places, 296/296 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 6 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-31 20:51:59] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:59] [INFO ] Invariant cache hit.
[2024-05-31 20:51:59] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-31 20:51:59] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:59] [INFO ] Invariant cache hit.
[2024-05-31 20:51:59] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:51:59] [INFO ] Implicit Places using invariants and state equation in 154 ms returned []
Implicit Place search using SMT with State Equation took 233 ms to find 0 implicit places.
[2024-05-31 20:51:59] [INFO ] Redundant transitions in 5 ms returned []
Running 294 sub problems to find dead transitions.
[2024-05-31 20:51:59] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:51:59] [INFO ] Invariant cache hit.
[2024-05-31 20:51:59] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 294 unsolved in 7797 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 294/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 461 constraints, problems are : Problem set: 0 solved, 294 unsolved in 9651 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
After SMT, in 17713ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 17720ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17974 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-31 20:52:17] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 14) seen :[2, 0, 0, 0, 0, 0, 5, 3, 2, 4, 2, 3, 3, 0]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 1510, 7, 9, 7, 6, 451, 293, 250, 457, 10, 361, 651, 987] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:52:17] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:52:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 1510, 7, 9, 7, 6, 451, 293, 250, 457, 10, 361, 651, 987] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1344 ms. (743 steps per ms)
BEST_FIRST walk for 14000014 steps (58 resets) in 8932 ms. (1567 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 1510, 7, 9, 7, 6, 779, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:52:27] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:52:27] [INFO ] Invariant cache hit.
[2024-05-31 20:52:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:27] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:52:27] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:52:27] [INFO ] [Real]Added 43 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:52:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:27] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:27] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:27] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:52:27] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:52:27] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:52:27] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:52:27] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:27] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:27] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:28] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:28] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:28] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:28] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:52:28] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:28] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:52:28] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:52:28] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:28] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:29] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:52:29] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:29] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:29] [INFO ] Added : 1 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:29] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:29] [INFO ] Added : 11 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:29] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:29] [INFO ] Added : 11 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:29] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:29] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:30] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:30] [INFO ] Added : 1 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 37 ms.
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using state equation in 40 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:52:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:30] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:52:30] [INFO ] Added : 2 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:30] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:52:30] [INFO ] Added : 1 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:30] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:30] [INFO ] Added : 10 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:52:30] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:31] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:52:31] [INFO ] [Nat]Added 43 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:52:31] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:52:31] [INFO ] Added : 9 causal constraints over 3 iterations in 52 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 1510, 7, 9, 7, 6, 779, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 1510, 7, 9, 7, 6, 779, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 7 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 122/122 places, 296/296 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 6 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-31 20:52:31] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:52:31] [INFO ] Invariant cache hit.
[2024-05-31 20:52:31] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-31 20:52:31] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:52:31] [INFO ] Invariant cache hit.
[2024-05-31 20:52:31] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:52:31] [INFO ] Implicit Places using invariants and state equation in 170 ms returned []
Implicit Place search using SMT with State Equation took 251 ms to find 0 implicit places.
[2024-05-31 20:52:31] [INFO ] Redundant transitions in 3 ms returned []
Running 294 sub problems to find dead transitions.
[2024-05-31 20:52:31] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:52:31] [INFO ] Invariant cache hit.
[2024-05-31 20:52:31] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 294 unsolved in 7867 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 294/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 461 constraints, problems are : Problem set: 0 solved, 294 unsolved in 9392 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
After SMT, in 17514ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 17518ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17783 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-31 20:52:49] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 11 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 14) seen :[1, 4, 3, 4, 5, 4, 3, 2, 2, 3, 3, 2, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 1510, 7, 9, 7, 6, 779, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:52:49] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:52:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 1510, 7, 9, 7, 6, 779, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1245 ms. (802 steps per ms)
BEST_FIRST walk for 14000014 steps (67 resets) in 8684 ms. (1611 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:52:59] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:52:59] [INFO ] Invariant cache hit.
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:59] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:52:59] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:52:59] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:52:59] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:59] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:52:59] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:52:59] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:52:59] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:52:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:52:59] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:52:59] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:53:00] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:53:00] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:53:00] [INFO ] Added : 2 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:00] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 17 ms.
[2024-05-31 20:53:00] [INFO ] Added : 2 causal constraints over 1 iterations in 41 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:00] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:53:00] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:53:00] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:00] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 15 ms.
[2024-05-31 20:53:01] [INFO ] Added : 11 causal constraints over 3 iterations in 60 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:01] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 28 ms.
[2024-05-31 20:53:01] [INFO ] Added : 11 causal constraints over 4 iterations in 78 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:01] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:53:01] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:01] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:53:01] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:01] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:02] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:53:02] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:02] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:02] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:53:02] [INFO ] Added : 10 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:53:02] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:02] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:53:02] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:02] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:53:02] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 5 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 122/122 places, 296/296 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 6 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-31 20:53:02] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:02] [INFO ] Invariant cache hit.
[2024-05-31 20:53:02] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-31 20:53:02] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:02] [INFO ] Invariant cache hit.
[2024-05-31 20:53:02] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:53:02] [INFO ] Implicit Places using invariants and state equation in 172 ms returned []
Implicit Place search using SMT with State Equation took 277 ms to find 0 implicit places.
[2024-05-31 20:53:02] [INFO ] Redundant transitions in 2 ms returned []
Running 294 sub problems to find dead transitions.
[2024-05-31 20:53:02] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:03] [INFO ] Invariant cache hit.
[2024-05-31 20:53:03] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 294 unsolved in 7916 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 294/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 461 constraints, problems are : Problem set: 0 solved, 294 unsolved in 9448 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
After SMT, in 17614ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 17618ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17913 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-31 20:53:20] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 14) seen :[1, 7, 3, 2, 5, 5, 3, 2, 2, 3, 2, 5, 3, 1]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:53:20] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 413, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1363 ms. (733 steps per ms)
BEST_FIRST walk for 14000013 steps (91 resets) in 9371 ms. (1493 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:53:31] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:31] [INFO ] Invariant cache hit.
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:53:31] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:53:31] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:53:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Nat]Added 43 Read/Feed constraints in 8 ms returned sat
[2024-05-31 20:53:31] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:53:31] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:31] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:53:31] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:53:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:32] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:53:32] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Added 43 Read/Feed constraints in 9 ms returned sat
[2024-05-31 20:53:32] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:53:32] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:53:32] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:53:32] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:32] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:53:32] [INFO ] Added : 2 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:32] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:33] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:53:33] [INFO ] Added : 1 causal constraints over 1 iterations in 34 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:33] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:53:33] [INFO ] Added : 11 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:33] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:53:33] [INFO ] Added : 11 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:33] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:53:33] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:33] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:34] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:53:34] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:34] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:53:34] [INFO ] Added : 1 causal constraints over 1 iterations in 40 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:34] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:53:34] [INFO ] Added : 10 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:53:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:53:34] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:53:34] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:53:34] [INFO ] Added : 9 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 6 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 122/122 places, 296/296 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 5 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-31 20:53:35] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:35] [INFO ] Invariant cache hit.
[2024-05-31 20:53:35] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-31 20:53:35] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:35] [INFO ] Invariant cache hit.
[2024-05-31 20:53:35] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:53:35] [INFO ] Implicit Places using invariants and state equation in 164 ms returned []
Implicit Place search using SMT with State Equation took 241 ms to find 0 implicit places.
[2024-05-31 20:53:35] [INFO ] Redundant transitions in 2 ms returned []
Running 294 sub problems to find dead transitions.
[2024-05-31 20:53:35] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:35] [INFO ] Invariant cache hit.
[2024-05-31 20:53:35] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 294 unsolved in 7898 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 294/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 461 constraints, problems are : Problem set: 0 solved, 294 unsolved in 9569 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
After SMT, in 17686ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 17689ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17945 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-31 20:53:52] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 8 resets, run finished after 83 ms. (steps per millisecond=120 ) properties (out of 14) seen :[2, 4, 3, 5, 4, 1, 2, 2, 2, 4, 2, 3, 2, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:53:53] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:53:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000004 steps (3 resets) in 1318 ms. (758 steps per ms)
BEST_FIRST walk for 14000013 steps (109 resets) in 8777 ms. (1594 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 20:54:03] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:54:03] [INFO ] Invariant cache hit.
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:03] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:54:03] [INFO ] [Real]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:54:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:03] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:54:03] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:03] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:54:03] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:54:03] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:03] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:54:03] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Added 43 Read/Feed constraints in 6 ms returned sat
[2024-05-31 20:54:04] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:54:04] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:04] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 20 ms.
[2024-05-31 20:54:04] [INFO ] Added : 2 causal constraints over 1 iterations in 42 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:04] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:54:04] [INFO ] Added : 2 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Absence check using state equation in 41 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:04] [INFO ] [Nat]Added 43 Read/Feed constraints in 7 ms returned sat
[2024-05-31 20:54:05] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:54:05] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:05] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:54:05] [INFO ] Added : 11 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using state equation in 42 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:05] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:54:05] [INFO ] Added : 11 causal constraints over 4 iterations in 57 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:05] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:54:05] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:05] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using state equation in 39 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:06] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:54:06] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:06] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:54:06] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:54:06] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 9 ms.
[2024-05-31 20:54:06] [INFO ] Added : 10 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Real]Added 43 Read/Feed constraints in 13 ms returned sat
[2024-05-31 20:54:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:54:06] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:54:06] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:54:06] [INFO ] Added : 9 causal constraints over 3 iterations in 65 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 14 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 6 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 122/122 places, 296/296 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Applied a total of 0 rules in 5 ms. Remains 122 /122 variables (removed 0) and now considering 296/296 (removed 0) transitions.
[2024-05-31 20:54:07] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:54:07] [INFO ] Invariant cache hit.
[2024-05-31 20:54:07] [INFO ] Implicit Places using invariants in 326 ms returned []
[2024-05-31 20:54:07] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:54:07] [INFO ] Invariant cache hit.
[2024-05-31 20:54:07] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:54:07] [INFO ] Implicit Places using invariants and state equation in 159 ms returned []
Implicit Place search using SMT with State Equation took 496 ms to find 0 implicit places.
[2024-05-31 20:54:07] [INFO ] Redundant transitions in 1 ms returned []
Running 294 sub problems to find dead transitions.
[2024-05-31 20:54:07] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:54:07] [INFO ] Invariant cache hit.
[2024-05-31 20:54:07] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 294 unsolved in 7957 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 294 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/122 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/122 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/122 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 3 (OVERLAPS) 200/322 variables, 122/124 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/322 variables, 43/167 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/322 variables, 294/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
At refinement iteration 7 (OVERLAPS) 0/322 variables, 0/461 constraints. Problems are: Problem set: 0 solved, 294 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 461 constraints, problems are : Problem set: 0 solved, 294 unsolved in 9487 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 294/294 constraints, Known Traps: 0/0 constraints]
After SMT, in 17662ms problems are : Problem set: 0 solved, 294 unsolved
Search for dead transitions found 0 dead transitions in 17665ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18171 ms. Remains : 122/122 places, 296/296 transitions.
[2024-05-31 20:54:25] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {38=1, 99=1, 138=1, 185=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {34=1, 95=1, 134=1, 181=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 14) seen :[4, 7, 1, 1, 0, 0, 2, 2, 2, 0, 1, 0, 0, 8]
Current structural bounds on expressions (after cover walk) : Max Seen:[13, 1510, 7, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, 8, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40001 steps (10 resets) in 1899 ms. (21 steps per ms) remains 14/15 properties
BEST_FIRST walk for 40004 steps (10 resets) in 250 ms. (159 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (9 resets) in 136 ms. (291 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (9 resets) in 63 ms. (625 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (13 resets) in 55 ms. (714 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (9 resets) in 53 ms. (740 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (11 resets) in 56 ms. (701 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (9 resets) in 67 ms. (588 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (10 resets) in 57 ms. (689 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (10 resets) in 47 ms. (833 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (9 resets) in 45 ms. (869 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (10 resets) in 40 ms. (975 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (10 resets) in 65 ms. (606 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40003 steps (12 resets) in 72 ms. (547 steps per ms) remains 14/14 properties
BEST_FIRST walk for 40004 steps (9 resets) in 53 ms. (740 steps per ms) remains 14/14 properties
Interrupted probabilistic random walk after 427013 steps, run timeout after 3001 ms. (steps per millisecond=142 ) properties seen :0 out of 14
Probabilistic random walk after 427013 steps, saw 271781 distinct states, run finished after 3004 ms. (steps per millisecond=142 ) properties seen :0
[2024-05-31 20:54:29] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:54:29] [INFO ] Invariant cache hit.
[2024-05-31 20:54:29] [INFO ] State equation strengthened by 43 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 47/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 113/173 variables, 60/61 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 4/65 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 14 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 86/259 variables, 23/88 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/259 variables, 32/120 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/259 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (OVERLAPS) 11/270 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/270 variables, 1/122 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 0/122 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (OVERLAPS) 41/311 variables, 30/152 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/311 variables, 7/159 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/311 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 15 (OVERLAPS) 8/319 variables, 6/165 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/319 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 17 (OVERLAPS) 3/322 variables, 2/167 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 19 (OVERLAPS) 0/322 variables, 0/167 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Real declared 322/322 variables, and 167 constraints, problems are : Problem set: 0 solved, 14 unsolved in 649 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 14 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/13 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 1 (OVERLAPS) 47/60 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/60 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 3 (OVERLAPS) 113/173 variables, 60/61 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/173 variables, 4/65 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/173 variables, 0/65 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 6 (OVERLAPS) 86/259 variables, 23/88 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/259 variables, 32/120 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/259 variables, 14/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/259 variables, 0/134 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 10 (OVERLAPS) 11/270 variables, 1/135 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/270 variables, 1/136 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/270 variables, 0/136 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 13 (OVERLAPS) 41/311 variables, 30/166 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/311 variables, 7/173 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/311 variables, 0/173 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 16 (OVERLAPS) 8/319 variables, 6/179 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/319 variables, 0/179 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 18 (OVERLAPS) 3/322 variables, 2/181 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/322 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 14 unsolved
At refinement iteration 20 (OVERLAPS) 0/322 variables, 0/181 constraints. Problems are: Problem set: 0 solved, 14 unsolved
No progress, stopping.
After SMT solving in domain Int declared 322/322 variables, and 181 constraints, problems are : Problem set: 0 solved, 14 unsolved in 753 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 122/122 constraints, ReadFeed: 43/43 constraints, PredecessorRefiner: 14/14 constraints, Known Traps: 0/0 constraints]
After SMT, in 1426ms problems are : Problem set: 0 solved, 14 unsolved
Fused 14 Parikh solutions to 7 different solutions.
Parikh walk visited 2 properties in 30000 ms.
Support contains 12 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 119 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.2 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 119 transition count 290
Applied a total of 7 rules in 15 ms. Remains 119 /122 variables (removed 3) and now considering 290/296 (removed 6) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 119/122 places, 290/296 transitions.
RANDOM walk for 40000 steps (8 resets) in 162 ms. (245 steps per ms) remains 10/12 properties
BEST_FIRST walk for 40004 steps (10 resets) in 43 ms. (909 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 41 ms. (952 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 42 ms. (930 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 35 ms. (1111 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (10 resets) in 32 ms. (1212 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (10 resets) in 32 ms. (1212 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (15 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
[2024-05-31 20:55:01] [INFO ] Flow matrix only has 194 transitions (discarded 96 similar events)
// Phase 1: matrix 194 rows 119 cols
[2024-05-31 20:55:01] [INFO ] Computed 2 invariants in 1 ms
[2024-05-31 20:55:01] [INFO ] State equation strengthened by 40 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 29/39 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 124/163 variables, 22/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 11/174 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/174 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 116/290 variables, 71/108 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/290 variables, 36/144 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/290 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 6/296 variables, 1/145 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/296 variables, 0/145 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 14/310 variables, 13/158 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/310 variables, 1/159 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/310 variables, 0/159 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (OVERLAPS) 3/313 variables, 2/161 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/313 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (OVERLAPS) 0/313 variables, 0/161 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 313/313 variables, and 161 constraints, problems are : Problem set: 0 solved, 10 unsolved in 417 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 29/39 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 124/163 variables, 22/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/163 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/163 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/163 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 11/174 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/174 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/174 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 116/290 variables, 71/116 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/290 variables, 36/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/290 variables, 2/154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/290 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 6/296 variables, 1/155 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/296 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 14/310 variables, 13/168 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/310 variables, 1/169 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/310 variables, 0/169 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (OVERLAPS) 3/313 variables, 2/171 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/313 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 21 (OVERLAPS) 0/313 variables, 0/171 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 313/313 variables, and 171 constraints, problems are : Problem set: 0 solved, 10 unsolved in 515 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 119/119 constraints, ReadFeed: 40/40 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 940ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 5 different solutions.
Parikh walk visited 0 properties in 30000 ms.
Support contains 10 out of 119 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 119/119 places, 290/290 transitions.
Graph (complete) has 488 edges and 119 vertex of which 116 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 116 transition count 285
Applied a total of 6 rules in 8 ms. Remains 116 /119 variables (removed 3) and now considering 285/290 (removed 5) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 116/119 places, 285/290 transitions.
RANDOM walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 40 ms. (975 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (11 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 42 ms. (930 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 31 ms. (1250 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 37 ms. (1052 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 36 ms. (1081 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (11 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 33 ms. (1176 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 251837 steps, run timeout after 3001 ms. (steps per millisecond=83 ) properties seen :0 out of 10
Probabilistic random walk after 251837 steps, saw 161418 distinct states, run finished after 3001 ms. (steps per millisecond=83 ) properties seen :0
[2024-05-31 20:55:35] [INFO ] Flow matrix only has 189 transitions (discarded 96 similar events)
// Phase 1: matrix 189 rows 116 cols
[2024-05-31 20:55:35] [INFO ] Computed 2 invariants in 1 ms
[2024-05-31 20:55:35] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 29/39 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 122/161 variables, 22/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 11/172 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/172 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 113/285 variables, 70/107 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/285 variables, 34/141 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/285 variables, 0/141 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 6/291 variables, 1/142 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/291 variables, 0/142 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 11/302 variables, 11/153 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/302 variables, 0/153 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 3/305 variables, 2/155 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/305 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 0/305 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 305/305 variables, and 155 constraints, problems are : Problem set: 0 solved, 10 unsolved in 406 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 116/116 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 10 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/10 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 1 (OVERLAPS) 29/39 variables, 10/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/39 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 122/161 variables, 22/32 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/161 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/161 variables, 8/43 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/161 variables, 0/43 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (OVERLAPS) 11/172 variables, 1/44 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/172 variables, 1/45 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/172 variables, 0/45 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (OVERLAPS) 113/285 variables, 70/115 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/285 variables, 34/149 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/285 variables, 2/151 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/285 variables, 0/151 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 6/291 variables, 1/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/291 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 11/302 variables, 11/163 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/302 variables, 0/163 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 18 (OVERLAPS) 3/305 variables, 2/165 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/305 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 20 (OVERLAPS) 0/305 variables, 0/165 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 305/305 variables, and 165 constraints, problems are : Problem set: 0 solved, 10 unsolved in 479 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 116/116 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 893ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 30001 ms.
Support contains 10 out of 116 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 116/116 places, 285/285 transitions.
Applied a total of 0 rules in 6 ms. Remains 116 /116 variables (removed 0) and now considering 285/285 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 116/116 places, 285/285 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 116/116 places, 285/285 transitions.
Applied a total of 0 rules in 5 ms. Remains 116 /116 variables (removed 0) and now considering 285/285 (removed 0) transitions.
[2024-05-31 20:56:06] [INFO ] Flow matrix only has 189 transitions (discarded 96 similar events)
[2024-05-31 20:56:06] [INFO ] Invariant cache hit.
[2024-05-31 20:56:06] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-31 20:56:06] [INFO ] Flow matrix only has 189 transitions (discarded 96 similar events)
[2024-05-31 20:56:06] [INFO ] Invariant cache hit.
[2024-05-31 20:56:06] [INFO ] State equation strengthened by 37 read => feed constraints.
[2024-05-31 20:56:06] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 218 ms to find 0 implicit places.
[2024-05-31 20:56:06] [INFO ] Redundant transitions in 1 ms returned []
Running 283 sub problems to find dead transitions.
[2024-05-31 20:56:06] [INFO ] Flow matrix only has 189 transitions (discarded 96 similar events)
[2024-05-31 20:56:06] [INFO ] Invariant cache hit.
[2024-05-31 20:56:06] [INFO ] State equation strengthened by 37 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 3 (OVERLAPS) 189/305 variables, 116/118 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 37/155 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 283 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/305 variables, 0/155 constraints. Problems are: Problem set: 0 solved, 283 unsolved
No progress, stopping.
After SMT solving in domain Real declared 305/305 variables, and 155 constraints, problems are : Problem set: 0 solved, 283 unsolved in 7391 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 116/116 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 283/283 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 283 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/116 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/116 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/116 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 3 (OVERLAPS) 189/305 variables, 116/118 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/305 variables, 37/155 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/305 variables, 283/438 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/305 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 283 unsolved
At refinement iteration 7 (OVERLAPS) 0/305 variables, 0/438 constraints. Problems are: Problem set: 0 solved, 283 unsolved
No progress, stopping.
After SMT solving in domain Int declared 305/305 variables, and 438 constraints, problems are : Problem set: 0 solved, 283 unsolved in 8841 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 116/116 constraints, ReadFeed: 37/37 constraints, PredecessorRefiner: 283/283 constraints, Known Traps: 0/0 constraints]
After SMT, in 16455ms problems are : Problem set: 0 solved, 283 unsolved
Search for dead transitions found 0 dead transitions in 16459ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16690 ms. Remains : 116/116 places, 285/285 transitions.
FORMULA FunctionPointer-PT-b008-UpperBounds-02 8 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[13, 1510, 9, 11, 8, 879, 293, 250, 457, 10, 776, 651, 1486] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 20:56:22] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:56:22] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6] Max Struct:[+inf]
[2024-05-31 20:56:22] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:56:22] [INFO ] Invariant cache hit.
[2024-05-31 20:56:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:56:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:56:22] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-31 20:56:22] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:56:22] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:56:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:56:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:56:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:56:23] [INFO ] [Nat]Absence check using state equation in 40 ms returned sat
[2024-05-31 20:56:23] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:56:23] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 12 ms.
[2024-05-31 20:56:23] [INFO ] Added : 2 causal constraints over 1 iterations in 32 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 113 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 113 transition count 279
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 26 place count 105 transition count 259
Iterating global reduction 1 with 8 rules applied. Total rules applied 34 place count 105 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 38 place count 105 transition count 255
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 43 place count 100 transition count 243
Iterating global reduction 2 with 5 rules applied. Total rules applied 48 place count 100 transition count 243
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 52 place count 96 transition count 231
Iterating global reduction 2 with 4 rules applied. Total rules applied 56 place count 96 transition count 231
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 60 place count 92 transition count 223
Iterating global reduction 2 with 4 rules applied. Total rules applied 64 place count 92 transition count 223
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 68 place count 88 transition count 215
Iterating global reduction 2 with 4 rules applied. Total rules applied 72 place count 88 transition count 215
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 76 place count 84 transition count 207
Iterating global reduction 2 with 4 rules applied. Total rules applied 80 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 83 place count 81 transition count 201
Iterating global reduction 2 with 3 rules applied. Total rules applied 86 place count 81 transition count 201
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 89 place count 78 transition count 195
Iterating global reduction 2 with 3 rules applied. Total rules applied 92 place count 78 transition count 195
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 94 place count 76 transition count 191
Iterating global reduction 2 with 2 rules applied. Total rules applied 96 place count 76 transition count 191
Applied a total of 96 rules in 21 ms. Remains 76 /122 variables (removed 46) and now considering 191/296 (removed 105) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 76/122 places, 191/296 transitions.
[2024-05-31 20:56:23] [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 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 20:56:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-31 20:56:23] [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 913 ms. (1094 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 467 ms. (2136 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 20:56:24] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:56:24] [INFO ] Invariant cache hit.
[2024-05-31 20:56:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:56:24] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 20:56:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:56:24] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:56:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:56:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:56:24] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 20:56:24] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:56:24] [INFO ] Deduced a trap composed of 22 places in 70 ms of which 1 ms to minimize.
[2024-05-31 20:56:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 89 ms
[2024-05-31 20:56:24] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-31 20:56:24] [INFO ] Added : 3 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 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 20:56:24] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:56:24] [INFO ] Invariant cache hit.
[2024-05-31 20:56:24] [INFO ] Implicit Places using invariants in 49 ms returned []
[2024-05-31 20:56:24] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:56:24] [INFO ] Invariant cache hit.
[2024-05-31 20:56:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:56:25] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
[2024-05-31 20:56:25] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 20:56:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:56:25] [INFO ] Invariant cache hit.
[2024-05-31 20:56:25] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2484 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4322 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 6946ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6948ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7132 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 20:56:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 22 ms. (1739 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2181799 steps, run timeout after 3001 ms. (steps per millisecond=727 ) properties seen :0 out of 1
Probabilistic random walk after 2181799 steps, saw 1404303 distinct states, run finished after 3001 ms. (steps per millisecond=727 ) properties seen :0
[2024-05-31 20:56:35] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:56:35] [INFO ] Invariant cache hit.
[2024-05-31 20:56:35] [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) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 100 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 209ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 58 steps, including 0 resets, run visited all 1 properties in 1 ms. (steps per millisecond=58 )
Parikh walk visited 1 properties in 4 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[7] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-00 in 12557 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 20:56:35] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:56:35] [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 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-31 20:56:35] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:56:35] [INFO ] Invariant cache hit.
[2024-05-31 20:56:35] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:56:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:56:35] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-31 20:56:35] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:56:35] [INFO ] [Real]Added 43 Read/Feed constraints in 13 ms returned sat
[2024-05-31 20:56:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:56:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:56:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:56:35] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:56:35] [INFO ] [Nat]Added 43 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:56:35] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 14 ms.
[2024-05-31 20:56:35] [INFO ] Added : 1 causal constraints over 1 iterations in 33 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.1 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 256
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 41 place count 103 transition count 252
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 46 place count 98 transition count 240
Iterating global reduction 2 with 5 rules applied. Total rules applied 51 place count 98 transition count 240
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 55 place count 94 transition count 228
Iterating global reduction 2 with 4 rules applied. Total rules applied 59 place count 94 transition count 228
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 63 place count 90 transition count 220
Iterating global reduction 2 with 4 rules applied. Total rules applied 67 place count 90 transition count 220
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 71 place count 86 transition count 212
Iterating global reduction 2 with 4 rules applied. Total rules applied 75 place count 86 transition count 212
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 79 place count 82 transition count 204
Iterating global reduction 2 with 4 rules applied. Total rules applied 83 place count 82 transition count 204
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 86 place count 79 transition count 198
Iterating global reduction 2 with 3 rules applied. Total rules applied 89 place count 79 transition count 198
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 92 place count 76 transition count 192
Iterating global reduction 2 with 3 rules applied. Total rules applied 95 place count 76 transition count 192
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 97 place count 74 transition count 188
Iterating global reduction 2 with 2 rules applied. Total rules applied 99 place count 74 transition count 188
Applied a total of 99 rules in 28 ms. Remains 74 /122 variables (removed 48) and now considering 188/296 (removed 108) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 74/122 places, 188/296 transitions.
[2024-05-31 20:56:35] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[15]
Current structural bounds on expressions (after cover walk) : Max Seen:[15] Max Struct:[+inf]
[2024-05-31 20:56:35] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-31 20:56:35] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[15] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1142 ms. (874 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 479 ms. (2083 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1501] Max Struct:[+inf]
[2024-05-31 20:56:37] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:37] [INFO ] Invariant cache hit.
[2024-05-31 20:56:37] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-31 20:56:37] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 20:56:37] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:56:37] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:56:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:56:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:56:37] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:56:37] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:56:37] [INFO ] Deduced a trap composed of 24 places in 56 ms of which 0 ms to minimize.
[2024-05-31 20:56:37] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 20:56:37] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-31 20:56:37] [INFO ] Added : 5 causal constraints over 4 iterations in 32 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1501] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1501] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 25 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 20:56:37] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:37] [INFO ] Invariant cache hit.
[2024-05-31 20:56:37] [INFO ] Implicit Places using invariants in 92 ms returned []
[2024-05-31 20:56:37] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:37] [INFO ] Invariant cache hit.
[2024-05-31 20:56:37] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:56:38] [INFO ] Implicit Places using invariants and state equation in 197 ms returned []
Implicit Place search using SMT with State Equation took 300 ms to find 0 implicit places.
[2024-05-31 20:56:38] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 20:56:38] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:38] [INFO ] Invariant cache hit.
[2024-05-31 20:56:38] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2679 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4058 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6844ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6846ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7175 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 20:56:44] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1501] Max Struct:[+inf]
[2024-05-31 20:56:45] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1501] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 943 ms. (1059 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 483 ms. (2066 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1736] Max Struct:[+inf]
[2024-05-31 20:56:46] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:46] [INFO ] Invariant cache hit.
[2024-05-31 20:56:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:56:46] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:56:46] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:56:46] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:56:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:56:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-31 20:56:46] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 20:56:46] [INFO ] [Nat]Added 17 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:56:46] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 1 ms to minimize.
[2024-05-31 20:56:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 20:56:46] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-31 20:56:46] [INFO ] Added : 5 causal constraints over 4 iterations in 38 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1736] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1736] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 20:56:46] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:46] [INFO ] Invariant cache hit.
[2024-05-31 20:56:46] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-31 20:56:46] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:46] [INFO ] Invariant cache hit.
[2024-05-31 20:56:46] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:56:46] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2024-05-31 20:56:46] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 20:56:46] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:46] [INFO ] Invariant cache hit.
[2024-05-31 20:56:46] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2624 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4101 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6834ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6839ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7053 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 20:56:53] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[1736] Max Struct:[+inf]
[2024-05-31 20:56:53] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1736] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 896 ms. (1114 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 450 ms. (2217 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1736] Max Struct:[+inf]
[2024-05-31 20:56:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:55] [INFO ] Invariant cache hit.
[2024-05-31 20:56:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:56:55] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:56:55] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:56:55] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:56:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:56:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:56:55] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 20:56:55] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:56:55] [INFO ] Deduced a trap composed of 24 places in 53 ms of which 1 ms to minimize.
[2024-05-31 20:56:55] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 20:56:55] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 10 ms.
[2024-05-31 20:56:55] [INFO ] Added : 5 causal constraints over 4 iterations in 38 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1736] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1736] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 20:56:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:55] [INFO ] Invariant cache hit.
[2024-05-31 20:56:55] [INFO ] Implicit Places using invariants in 50 ms returned []
[2024-05-31 20:56:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:55] [INFO ] Invariant cache hit.
[2024-05-31 20:56:55] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:56:55] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2024-05-31 20:56:55] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 20:56:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:56:55] [INFO ] Invariant cache hit.
[2024-05-31 20:56:55] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2686 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4092 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6893ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6896ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7058 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 20:57:02] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1736] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 165 ms. (240 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 2229827 steps, run timeout after 3001 ms. (steps per millisecond=743 ) properties seen :0 out of 1
Probabilistic random walk after 2229827 steps, saw 1387972 distinct states, run finished after 3001 ms. (steps per millisecond=743 ) properties seen :0
[2024-05-31 20:57:05] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:57:05] [INFO ] Invariant cache hit.
[2024-05-31 20:57:05] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 175ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 894 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
RANDOM walk for 40001 steps (8 resets) in 75 ms. (526 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2254703 steps, run timeout after 3001 ms. (steps per millisecond=751 ) properties seen :0 out of 1
Probabilistic random walk after 2254703 steps, saw 1403454 distinct states, run finished after 3001 ms. (steps per millisecond=751 ) properties seen :0
[2024-05-31 20:57:09] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:57:09] [INFO ] Invariant cache hit.
[2024-05-31 20:57:09] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 191ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 837 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 20:57:10] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:57:10] [INFO ] Invariant cache hit.
[2024-05-31 20:57:10] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 20:57:10] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:57:10] [INFO ] Invariant cache hit.
[2024-05-31 20:57:11] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:57:11] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-31 20:57:11] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 20:57:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 20:57:11] [INFO ] Invariant cache hit.
[2024-05-31 20:57:11] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2668 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4169 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 6940ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6943ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7113 ms. Remains : 74/74 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 79 rules applied. Total rules applied 79 place count 74 transition count 109
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 85 place count 68 transition count 109
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 85 place count 68 transition count 97
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 109 place count 56 transition count 97
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 141 place count 40 transition count 81
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 33 transition count 67
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 33 transition count 67
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 26 transition count 53
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 26 transition count 53
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 19 transition count 39
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 19 transition count 39
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 190 place count 19 transition count 32
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 190 place count 19 transition count 31
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 192 place count 18 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 17 transition count 31
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 17 transition count 29
Applied a total of 196 rules in 24 ms. Remains 17 /74 variables (removed 57) and now considering 29/188 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 29 rows 17 cols
[2024-05-31 20:57:18] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 20:57:18] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 20:57:18] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 20:57:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:18] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 20:57:18] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 20:57:18] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 20:57:18] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 20:57:18] [INFO ] After 49ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 118 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1736] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-01 in 42758 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 20:57:18] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:57:18] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 14 ms. (666 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 20:57:18] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:57:18] [INFO ] Invariant cache hit.
[2024-05-31 20:57:18] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:18] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:57:18] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:57:18] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:57:18] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:57:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:57:18] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:57:18] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:57:18] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2024-05-31 20:57:18] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:57:18] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:57:18] [INFO ] Added : 2 causal constraints over 1 iterations in 31 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:[8] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 113 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 113 transition count 280
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 25 place count 105 transition count 260
Iterating global reduction 1 with 8 rules applied. Total rules applied 33 place count 105 transition count 260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 37 place count 105 transition count 256
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 42 place count 100 transition count 244
Iterating global reduction 2 with 5 rules applied. Total rules applied 47 place count 100 transition count 244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 51 place count 96 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 96 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 59 place count 92 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 63 place count 92 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 67 place count 88 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 71 place count 88 transition count 216
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 75 place count 84 transition count 208
Iterating global reduction 2 with 4 rules applied. Total rules applied 79 place count 84 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 82 place count 81 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 85 place count 81 transition count 202
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 88 place count 78 transition count 196
Iterating global reduction 2 with 3 rules applied. Total rules applied 91 place count 78 transition count 196
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 93 place count 76 transition count 192
Iterating global reduction 2 with 2 rules applied. Total rules applied 95 place count 76 transition count 192
Applied a total of 95 rules in 18 ms. Remains 76 /122 variables (removed 46) and now considering 192/296 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 76/122 places, 192/296 transitions.
[2024-05-31 20:57:18] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {24=1, 31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 52=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 3 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 20:57:18] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-31 20:57:18] [INFO ] Computed 2 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 924 ms. (1081 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 433 ms. (2304 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 20:57:19] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:19] [INFO ] Invariant cache hit.
[2024-05-31 20:57:19] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:19] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:57:20] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:57:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:20] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:57:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:57:20] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-31 20:57:20] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:57:20] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 20:57:20] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:57:20] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-31 20:57:20] [INFO ] Added : 3 causal constraints over 1 iterations in 20 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 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 10 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 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 20:57:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:20] [INFO ] Invariant cache hit.
[2024-05-31 20:57:20] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 20:57:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:20] [INFO ] Invariant cache hit.
[2024-05-31 20:57:20] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:20] [INFO ] Implicit Places using invariants and state equation in 184 ms returned []
Implicit Place search using SMT with State Equation took 261 ms to find 0 implicit places.
[2024-05-31 20:57:20] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 20:57:20] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:20] [INFO ] Invariant cache hit.
[2024-05-31 20:57:20] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/76 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 118/194 variables, 76/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 18/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3732 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 4420 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 8284ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8287ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8556 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 20:57:28] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {24=1, 31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 52=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 6 resets, run finished after 16 ms. (steps per millisecond=625 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 34288 steps (9 resets) in 71 ms. (476 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-03 in 10716 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 20:57:28] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:57:28] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 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:[2] Max Struct:[+inf]
[2024-05-31 20:57:28] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:57:28] [INFO ] Invariant cache hit.
[2024-05-31 20:57:28] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:28] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:57:28] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:57:28] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:57:28] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:57:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:57:29] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:29] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:57:29] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:57:29] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:57:29] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 15 ms.
[2024-05-31 20:57:29] [INFO ] Added : 2 causal constraints over 1 iterations in 42 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 113 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 16 transitions
Reduce isomorphic transitions removed 16 transitions.
Iterating post reduction 0 with 16 rules applied. Total rules applied 17 place count 113 transition count 280
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 25 place count 105 transition count 260
Iterating global reduction 1 with 8 rules applied. Total rules applied 33 place count 105 transition count 260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 37 place count 105 transition count 256
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 42 place count 100 transition count 244
Iterating global reduction 2 with 5 rules applied. Total rules applied 47 place count 100 transition count 244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 51 place count 96 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 96 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 59 place count 92 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 63 place count 92 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 67 place count 88 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 71 place count 88 transition count 216
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 75 place count 84 transition count 208
Iterating global reduction 2 with 4 rules applied. Total rules applied 79 place count 84 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 82 place count 81 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 85 place count 81 transition count 202
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 88 place count 78 transition count 196
Iterating global reduction 2 with 3 rules applied. Total rules applied 91 place count 78 transition count 196
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 93 place count 76 transition count 192
Iterating global reduction 2 with 2 rules applied. Total rules applied 95 place count 76 transition count 192
Applied a total of 95 rules in 35 ms. Remains 76 /122 variables (removed 46) and now considering 192/296 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 35 ms. Remains : 76/122 places, 192/296 transitions.
[2024-05-31 20:57:29] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[0]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 20:57:29] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-31 20:57:29] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 935 ms. (1068 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 444 ms. (2247 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 20:57:30] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:30] [INFO ] Invariant cache hit.
[2024-05-31 20:57:30] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:30] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:57:30] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:57:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:30] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:57:30] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:57:30] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:30] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:57:30] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-31 20:57:30] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:57:30] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 20:57:30] [INFO ] Added : 6 causal constraints over 3 iterations in 29 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 20:57:30] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:30] [INFO ] Invariant cache hit.
[2024-05-31 20:57:31] [INFO ] Implicit Places using invariants in 110 ms returned []
[2024-05-31 20:57:31] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:31] [INFO ] Invariant cache hit.
[2024-05-31 20:57:31] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:31] [INFO ] Implicit Places using invariants and state equation in 148 ms returned []
Implicit Place search using SMT with State Equation took 281 ms to find 0 implicit places.
[2024-05-31 20:57:31] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 20:57:31] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:31] [INFO ] Invariant cache hit.
[2024-05-31 20:57:31] [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 3688 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 4440 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 8311ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8314ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8608 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 20:57:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 20:57:39] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 882 ms. (1132 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 444 ms. (2247 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 20:57:40] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:40] [INFO ] Invariant cache hit.
[2024-05-31 20:57:41] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:41] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:57:41] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 20:57:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:41] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:57:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:57:41] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:41] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:57:41] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:57:41] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:57:41] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-31 20:57:41] [INFO ] Added : 3 causal constraints over 1 iterations in 20 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 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 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 20:57:41] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:41] [INFO ] Invariant cache hit.
[2024-05-31 20:57:41] [INFO ] Implicit Places using invariants in 99 ms returned []
[2024-05-31 20:57:41] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:41] [INFO ] Invariant cache hit.
[2024-05-31 20:57:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:41] [INFO ] Implicit Places using invariants and state equation in 163 ms returned []
Implicit Place search using SMT with State Equation took 264 ms to find 0 implicit places.
[2024-05-31 20:57:41] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 20:57:41] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-31 20:57:41] [INFO ] Invariant cache hit.
[2024-05-31 20:57:41] [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 3525 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 4345 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 7964ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7966ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8239 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-31 20:57:49] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {32=1, 57=1, 103=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 54=1, 84=1, 113=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 30201 steps (7 resets) in 35 ms. (838 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[8] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-04 in 20685 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 20:57:49] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:57:49] [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 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:[1] Max Struct:[+inf]
[2024-05-31 20:57:49] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:57:49] [INFO ] Invariant cache hit.
[2024-05-31 20:57:49] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:49] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:57:49] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 20:57:49] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:57:49] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:57:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:57:49] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:57:49] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:57:49] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 20:57:49] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:57:49] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:57:49] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 31 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:[3] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 113 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.0 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 113 transition count 279
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 26 place count 105 transition count 259
Iterating global reduction 1 with 8 rules applied. Total rules applied 34 place count 105 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 38 place count 105 transition count 255
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 43 place count 100 transition count 243
Iterating global reduction 2 with 5 rules applied. Total rules applied 48 place count 100 transition count 243
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 52 place count 96 transition count 231
Iterating global reduction 2 with 4 rules applied. Total rules applied 56 place count 96 transition count 231
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 60 place count 92 transition count 223
Iterating global reduction 2 with 4 rules applied. Total rules applied 64 place count 92 transition count 223
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 68 place count 88 transition count 215
Iterating global reduction 2 with 4 rules applied. Total rules applied 72 place count 88 transition count 215
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 76 place count 84 transition count 207
Iterating global reduction 2 with 4 rules applied. Total rules applied 80 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 83 place count 81 transition count 201
Iterating global reduction 2 with 3 rules applied. Total rules applied 86 place count 81 transition count 201
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 89 place count 78 transition count 195
Iterating global reduction 2 with 3 rules applied. Total rules applied 92 place count 78 transition count 195
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 94 place count 76 transition count 191
Iterating global reduction 2 with 2 rules applied. Total rules applied 96 place count 76 transition count 191
Applied a total of 96 rules in 18 ms. Remains 76 /122 variables (removed 46) and now considering 191/296 (removed 105) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 76/122 places, 191/296 transitions.
[2024-05-31 20:57:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-31 20:57:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-31 20:57:49] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 907 ms. (1101 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 439 ms. (2272 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 20:57:51] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:57:51] [INFO ] Invariant cache hit.
[2024-05-31 20:57:51] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:51] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:57:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:51] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:57:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:57:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:57:51] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 20:57:51] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:57:51] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 2 ms to minimize.
[2024-05-31 20:57:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 20:57:51] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 20:57:51] [INFO ] Deduced a trap composed of 32 places in 36 ms of which 1 ms to minimize.
[2024-05-31 20:57:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2024-05-31 20:57:51] [INFO ] Added : 10 causal constraints over 4 iterations in 87 ms. Result :sat
Minimization took 22 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 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 13 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 14 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 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 20:57:51] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:57:51] [INFO ] Invariant cache hit.
[2024-05-31 20:57:51] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-31 20:57:51] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:57:51] [INFO ] Invariant cache hit.
[2024-05-31 20:57:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:57:51] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2024-05-31 20:57:51] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 20:57:51] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:57:51] [INFO ] Invariant cache hit.
[2024-05-31 20:57:51] [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 2623 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 4420 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 7176ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7179ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7351 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 20:57:58] [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 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 20:57:59] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:57:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 937 ms. (1066 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 429 ms. (2325 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 20:58:00] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:00] [INFO ] Invariant cache hit.
[2024-05-31 20:58:00] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:58:00] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-31 20:58:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:58:00] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:58:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:58:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:00] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 20:58:00] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:58:00] [INFO ] Deduced a trap composed of 25 places in 47 ms of which 1 ms to minimize.
[2024-05-31 20:58:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-31 20:58:00] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 20:58:00] [INFO ] Deduced a trap composed of 32 places in 42 ms of which 0 ms to minimize.
[2024-05-31 20:58:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2024-05-31 20:58:00] [INFO ] Added : 10 causal constraints over 4 iterations in 95 ms. Result :sat
Minimization took 20 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 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 20:58:00] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:00] [INFO ] Invariant cache hit.
[2024-05-31 20:58:00] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 20:58:00] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:00] [INFO ] Invariant cache hit.
[2024-05-31 20:58:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:58:00] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-31 20:58:00] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 20:58:00] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:00] [INFO ] Invariant cache hit.
[2024-05-31 20:58:00] [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 2674 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 4363 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 7145ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7148ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7324 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 20:58:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 40008 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 21 ms. (1818 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1988765 steps, run timeout after 3001 ms. (steps per millisecond=662 ) properties seen :0 out of 1
Probabilistic random walk after 1988765 steps, saw 1237907 distinct states, run finished after 3001 ms. (steps per millisecond=662 ) properties seen :0
[2024-05-31 20:58:11] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:11] [INFO ] Invariant cache hit.
[2024-05-31 20:58:11] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 163ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 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.
RANDOM walk for 40004 steps (8 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2033347 steps, run timeout after 3001 ms. (steps per millisecond=677 ) properties seen :0 out of 1
Probabilistic random walk after 2033347 steps, saw 1265656 distinct states, run finished after 3002 ms. (steps per millisecond=677 ) properties seen :0
[2024-05-31 20:58:14] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:14] [INFO ] Invariant cache hit.
[2024-05-31 20:58:14] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 5/8 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/8 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 61/69 variables, 4/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/69 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/69 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/75 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/75 variables, 2/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/75 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 94/169 variables, 53/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 17/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 174ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 15 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 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 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 20:58:14] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:14] [INFO ] Invariant cache hit.
[2024-05-31 20:58:14] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 20:58:14] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:14] [INFO ] Invariant cache hit.
[2024-05-31 20:58:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:58:14] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 184 ms to find 0 implicit places.
[2024-05-31 20:58:14] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 20:58:14] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 20:58:14] [INFO ] Invariant cache hit.
[2024-05-31 20:58:14] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 189 unsolved in 2620 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 4587 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 7319ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7321ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7524 ms. Remains : 76/76 places, 191/191 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 110
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 110
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 97
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 97
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 82
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 151 place count 34 transition count 68
Iterating global reduction 2 with 7 rules applied. Total rules applied 158 place count 34 transition count 68
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 165 place count 27 transition count 54
Iterating global reduction 2 with 7 rules applied. Total rules applied 172 place count 27 transition count 54
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 179 place count 20 transition count 40
Iterating global reduction 2 with 7 rules applied. Total rules applied 186 place count 20 transition count 40
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 33
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 32
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 32
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 32
Applied a total of 197 rules in 17 ms. Remains 18 /76 variables (removed 58) and now considering 32/191 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 32 rows 18 cols
[2024-05-31 20:58:22] [INFO ] Computed 3 invariants in 2 ms
[2024-05-31 20:58:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:22] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 20:58:22] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 20:58:22] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 20:58:22] [INFO ] After 37ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 20:58:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:22] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 20:58:22] [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 20:58:22] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 20:58:22] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 95 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[11] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-05 in 32659 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-06
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 20:58:22] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:58:22] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (4 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (4 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-31 20:58:22] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:58:22] [INFO ] Invariant cache hit.
[2024-05-31 20:58:22] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:22] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:58:22] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-31 20:58:22] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:58:22] [INFO ] [Real]Added 43 Read/Feed constraints in 12 ms returned sat
[2024-05-31 20:58:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:58:22] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-31 20:58:22] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:58:22] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:58:22] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:58:22] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 20:58:22] [INFO ] Added : 1 causal constraints over 1 iterations in 30 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 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 256
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 39 place count 103 transition count 254
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 44 place count 98 transition count 242
Iterating global reduction 2 with 5 rules applied. Total rules applied 49 place count 98 transition count 242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 53 place count 94 transition count 230
Iterating global reduction 2 with 4 rules applied. Total rules applied 57 place count 94 transition count 230
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 61 place count 90 transition count 222
Iterating global reduction 2 with 4 rules applied. Total rules applied 65 place count 90 transition count 222
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 69 place count 86 transition count 214
Iterating global reduction 2 with 4 rules applied. Total rules applied 73 place count 86 transition count 214
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 77 place count 82 transition count 206
Iterating global reduction 2 with 4 rules applied. Total rules applied 81 place count 82 transition count 206
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 84 place count 79 transition count 200
Iterating global reduction 2 with 3 rules applied. Total rules applied 87 place count 79 transition count 200
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 90 place count 76 transition count 194
Iterating global reduction 2 with 3 rules applied. Total rules applied 93 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 94 place count 75 transition count 192
Iterating global reduction 2 with 1 rules applied. Total rules applied 95 place count 75 transition count 192
Applied a total of 95 rules in 17 ms. Remains 75 /122 variables (removed 47) and now considering 192/296 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 75/122 places, 192/296 transitions.
[2024-05-31 20:58:22] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-31 20:58:22] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-31 20:58:22] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 993 ms. (1006 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 445 ms. (2242 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1073] Max Struct:[+inf]
[2024-05-31 20:58:24] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:24] [INFO ] Invariant cache hit.
[2024-05-31 20:58:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:58:24] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 20:58:24] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:58:24] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:58:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:58:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:58:24] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:58:24] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:58:24] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 20:58:24] [INFO ] Added : 7 causal constraints over 4 iterations in 33 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1073] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1073] 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 20:58:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:25] [INFO ] Invariant cache hit.
[2024-05-31 20:58:25] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 20:58:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:25] [INFO ] Invariant cache hit.
[2024-05-31 20:58:25] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:58:25] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-31 20:58:25] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 20:58:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:25] [INFO ] Invariant cache hit.
[2024-05-31 20:58:25] [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
All remaining problems are real, not stopping.
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 2427 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 4322 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 6846ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6850ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7040 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 20:58:32] [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 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1073] Max Struct:[+inf]
[2024-05-31 20:58:32] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1073] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1003 ms. (996 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 471 ms. (2118 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1073] Max Struct:[+inf]
[2024-05-31 20:58:33] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:33] [INFO ] Invariant cache hit.
[2024-05-31 20:58:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:33] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 20:58:33] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:58:33] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:58:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:58:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:33] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 20:58:33] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:58:33] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-31 20:58:33] [INFO ] Added : 7 causal constraints over 4 iterations in 36 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1073] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1073] 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 1 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 20:58:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:35] [INFO ] Invariant cache hit.
[2024-05-31 20:58:35] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 20:58:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:35] [INFO ] Invariant cache hit.
[2024-05-31 20:58:35] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:58:35] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
[2024-05-31 20:58:35] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 20:58:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:35] [INFO ] Invariant cache hit.
[2024-05-31 20:58:35] [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
All remaining problems are real, not stopping.
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 2439 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 4324 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 6892ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6895ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7080 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 20:58:42] [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 1 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 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1073] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 67 ms. (588 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 2213853 steps, run timeout after 3001 ms. (steps per millisecond=737 ) properties seen :0 out of 1
Probabilistic random walk after 2213853 steps, saw 1378031 distinct states, run finished after 3003 ms. (steps per millisecond=737 ) properties seen :0
[2024-05-31 20:58:45] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:45] [INFO ] Invariant cache hit.
[2024-05-31 20:58:45] [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 133 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 74 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 228ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 661 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.
RANDOM walk for 40002 steps (8 resets) in 78 ms. (506 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2223108 steps, run timeout after 3001 ms. (steps per millisecond=740 ) properties seen :0 out of 1
Probabilistic random walk after 2223108 steps, saw 1383791 distinct states, run finished after 3002 ms. (steps per millisecond=740 ) properties seen :0
[2024-05-31 20:58:49] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:49] [INFO ] Invariant cache hit.
[2024-05-31 20:58:49] [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 100 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 80 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 232ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 695 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 6 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 20:58:50] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:50] [INFO ] Invariant cache hit.
[2024-05-31 20:58:50] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 20:58:50] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:50] [INFO ] Invariant cache hit.
[2024-05-31 20:58:50] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 20:58:50] [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 20:58:50] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 20:58:50] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 20:58:50] [INFO ] Invariant cache hit.
[2024-05-31 20:58:50] [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
All remaining problems are real, not stopping.
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 2454 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 4397 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 6981ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6983ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7177 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 1 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 15 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 20:58:57] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 20:58:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:57] [INFO ] After 11ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 20:58:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 20:58:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 20:58:57] [INFO ] After 94ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 20:58:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 20:58:57] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 20:58:57] [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 20:58:57] [INFO ] After 34ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 20:58:57] [INFO ] After 101ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 213 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1073] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-06 in 35318 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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 20:58:57] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:58:57] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (4 resets) in 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:[6] Max Struct:[+inf]
[2024-05-31 20:58:57] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:58:57] [INFO ] Invariant cache hit.
[2024-05-31 20:58:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:58:57] [INFO ] [Real]Absence check using state equation in 61 ms returned sat
[2024-05-31 20:58:57] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:58:57] [INFO ] [Real]Added 43 Read/Feed constraints in 50 ms returned sat
[2024-05-31 20:58:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:58:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:58:57] [INFO ] [Nat]Absence check using state equation in 49 ms returned sat
[2024-05-31 20:58:57] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 20:58:57] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 13 ms.
[2024-05-31 20:58:57] [INFO ] Added : 11 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.1 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 258
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 41 place count 103 transition count 254
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 45 place count 99 transition count 244
Iterating global reduction 2 with 4 rules applied. Total rules applied 49 place count 99 transition count 244
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 52 place count 96 transition count 236
Iterating global reduction 2 with 3 rules applied. Total rules applied 55 place count 96 transition count 236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 58 place count 93 transition count 230
Iterating global reduction 2 with 3 rules applied. Total rules applied 61 place count 93 transition count 230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 64 place count 90 transition count 224
Iterating global reduction 2 with 3 rules applied. Total rules applied 67 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 70 place count 87 transition count 218
Iterating global reduction 2 with 3 rules applied. Total rules applied 73 place count 87 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 75 place count 85 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 77 place count 85 transition count 214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 79 place count 83 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 81 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 82 place count 82 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 83 place count 82 transition count 208
Applied a total of 83 rules in 16 ms. Remains 82 /122 variables (removed 40) and now considering 208/296 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 82/122 places, 208/296 transitions.
[2024-05-31 20:58:57] [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 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-31 20:58:58] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2024-05-31 20:58:58] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 949 ms. (1052 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 464 ms. (2150 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[232] Max Struct:[+inf]
[2024-05-31 20:58:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:58:59] [INFO ] Invariant cache hit.
[2024-05-31 20:58:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:59] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 20:58:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:58:59] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:58:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:58:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:58:59] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 20:58:59] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:58:59] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 1 ms to minimize.
[2024-05-31 20:58:59] [INFO ] Deduced a trap composed of 15 places in 55 ms of which 1 ms to minimize.
[2024-05-31 20:58:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2024-05-31 20:58:59] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-31 20:58:59] [INFO ] Added : 19 causal constraints over 6 iterations in 55 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[232] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[232] 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 3 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 3 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 20:59:00] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:00] [INFO ] Invariant cache hit.
[2024-05-31 20:59:00] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 20:59:00] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:00] [INFO ] Invariant cache hit.
[2024-05-31 20:59:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:00] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
[2024-05-31 20:59:00] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 20:59:00] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:00] [INFO ] Invariant cache hit.
[2024-05-31 20:59:00] [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 2876 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 4872 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 7890ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 7892ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8079 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 20:59:08] [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 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[232] Max Struct:[+inf]
[2024-05-31 20:59:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[232] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1016 ms. (983 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 463 ms. (2155 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[232] Max Struct:[+inf]
[2024-05-31 20:59:09] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:09] [INFO ] Invariant cache hit.
[2024-05-31 20:59:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:10] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 20:59:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:10] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:59:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:59:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:10] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 20:59:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:59:10] [INFO ] Deduced a trap composed of 19 places in 62 ms of which 1 ms to minimize.
[2024-05-31 20:59:10] [INFO ] Deduced a trap composed of 15 places in 59 ms of which 1 ms to minimize.
[2024-05-31 20:59:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 147 ms
[2024-05-31 20:59:10] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-31 20:59:10] [INFO ] Added : 19 causal constraints over 6 iterations in 60 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[232] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[232] 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 3 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 3 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 20:59:10] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:10] [INFO ] Invariant cache hit.
[2024-05-31 20:59:10] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-31 20:59:10] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:10] [INFO ] Invariant cache hit.
[2024-05-31 20:59:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:11] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 203 ms to find 0 implicit places.
[2024-05-31 20:59:11] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 20:59:11] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:11] [INFO ] Invariant cache hit.
[2024-05-31 20:59:11] [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 2880 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 4866 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 7901ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 7903ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8115 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 20:59:19] [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 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[232] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 73 ms. (540 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2064255 steps, run timeout after 3001 ms. (steps per millisecond=687 ) properties seen :0 out of 1
Probabilistic random walk after 2064255 steps, saw 1284788 distinct states, run finished after 3001 ms. (steps per millisecond=687 ) properties seen :0
[2024-05-31 20:59:22] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:22] [INFO ] Invariant cache hit.
[2024-05-31 20:59:22] [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 454 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 184 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 660ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 368 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 40001 steps (8 resets) in 82 ms. (481 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2107228 steps, run timeout after 3001 ms. (steps per millisecond=702 ) properties seen :0 out of 1
Probabilistic random walk after 2107228 steps, saw 1311539 distinct states, run finished after 3001 ms. (steps per millisecond=702 ) properties seen :0
[2024-05-31 20:59:26] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:26] [INFO ] Invariant cache hit.
[2024-05-31 20:59:26] [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 99 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 86 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 228ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 388 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 10 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 20 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 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 20:59:26] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:26] [INFO ] Invariant cache hit.
[2024-05-31 20:59:26] [INFO ] Implicit Places using invariants in 122 ms returned []
[2024-05-31 20:59:26] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:26] [INFO ] Invariant cache hit.
[2024-05-31 20:59:27] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:27] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 258 ms to find 0 implicit places.
[2024-05-31 20:59:27] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 20:59:27] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:27] [INFO ] Invariant cache hit.
[2024-05-31 20:59:27] [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 2896 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 4661 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 7682ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 7685ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7952 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 10 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 20:59:34] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 20:59:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:34] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 20:59:34] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 20:59:34] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 20:59:34] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 20:59:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:34] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 20:59:34] [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 20:59:34] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 20:59:34] [INFO ] After 31ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 78 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[232] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-08 in 37372 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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 20:59:34] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 20:59:34] [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 14 ms. (666 steps per ms)
BEST_FIRST walk for 10000 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 20:59:34] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 20:59:34] [INFO ] Invariant cache hit.
[2024-05-31 20:59:34] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:34] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 20:59:34] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 20:59:34] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 20:59:34] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:59:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:59:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 20:59:35] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 20:59:35] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 20:59:35] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 20:59:35] [INFO ] Added : 11 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 44 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 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 258
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 41 place count 103 transition count 254
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 45 place count 99 transition count 244
Iterating global reduction 2 with 4 rules applied. Total rules applied 49 place count 99 transition count 244
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 52 place count 96 transition count 236
Iterating global reduction 2 with 3 rules applied. Total rules applied 55 place count 96 transition count 236
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 58 place count 93 transition count 230
Iterating global reduction 2 with 3 rules applied. Total rules applied 61 place count 93 transition count 230
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 64 place count 90 transition count 224
Iterating global reduction 2 with 3 rules applied. Total rules applied 67 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 70 place count 87 transition count 218
Iterating global reduction 2 with 3 rules applied. Total rules applied 73 place count 87 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 75 place count 85 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 77 place count 85 transition count 214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 79 place count 83 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 81 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 82 place count 82 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 83 place count 82 transition count 208
Applied a total of 83 rules in 13 ms. Remains 82 /122 variables (removed 40) and now considering 208/296 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 82/122 places, 208/296 transitions.
[2024-05-31 20:59:35] [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 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 20:59:35] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2024-05-31 20:59:35] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 940 ms. (1062 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 488 ms. (2044 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201] Max Struct:[+inf]
[2024-05-31 20:59:36] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:36] [INFO ] Invariant cache hit.
[2024-05-31 20:59:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:36] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 20:59:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:36] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:59:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:59:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 20:59:36] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 20:59:36] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:59:36] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 1 ms to minimize.
[2024-05-31 20:59:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 20:59:36] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 6 ms.
[2024-05-31 20:59:37] [INFO ] Added : 21 causal constraints over 6 iterations in 53 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[201] 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 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 20:59:37] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:37] [INFO ] Invariant cache hit.
[2024-05-31 20:59:37] [INFO ] Implicit Places using invariants in 93 ms returned []
[2024-05-31 20:59:37] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:37] [INFO ] Invariant cache hit.
[2024-05-31 20:59:37] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:37] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
[2024-05-31 20:59:37] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 20:59:37] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:37] [INFO ] Invariant cache hit.
[2024-05-31 20:59:37] [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 3447 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 4810 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 8418ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8420ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8638 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 20:59:45] [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 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[201] Max Struct:[+inf]
[2024-05-31 20:59:45] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[201] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 974 ms. (1025 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 454 ms. (2197 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[201] Max Struct:[+inf]
[2024-05-31 20:59:47] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:47] [INFO ] Invariant cache hit.
[2024-05-31 20:59:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:47] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 20:59:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:47] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 20:59:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 20:59:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 20:59:47] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 20:59:47] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 20:59:47] [INFO ] Deduced a trap composed of 19 places in 59 ms of which 1 ms to minimize.
[2024-05-31 20:59:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 20:59:47] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-31 20:59:47] [INFO ] Added : 21 causal constraints over 6 iterations in 69 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[201] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[201] 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 3 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 20:59:47] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:47] [INFO ] Invariant cache hit.
[2024-05-31 20:59:47] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-31 20:59:47] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:47] [INFO ] Invariant cache hit.
[2024-05-31 20:59:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 20:59:47] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 182 ms to find 0 implicit places.
[2024-05-31 20:59:47] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 20:59:47] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:47] [INFO ] Invariant cache hit.
[2024-05-31 20:59:47] [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 3492 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 4891 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 8506ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8508ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8698 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 20:59:56] [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 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[201] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 32 ms. (1212 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2094376 steps, run timeout after 3001 ms. (steps per millisecond=697 ) properties seen :0 out of 1
Probabilistic random walk after 2094376 steps, saw 1303537 distinct states, run finished after 3003 ms. (steps per millisecond=697 ) properties seen :0
[2024-05-31 20:59:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 20:59:59] [INFO ] Invariant cache hit.
[2024-05-31 20:59:59] [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 76 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 99 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 195ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 347 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 40000 steps (8 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2054694 steps, run timeout after 3001 ms. (steps per millisecond=684 ) properties seen :0 out of 1
Probabilistic random walk after 2054694 steps, saw 1278838 distinct states, run finished after 3002 ms. (steps per millisecond=684 ) properties seen :0
[2024-05-31 21:00:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:00:02] [INFO ] Invariant cache hit.
[2024-05-31 21:00:02] [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 103 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 85 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 324 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 21:00:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:00:03] [INFO ] Invariant cache hit.
[2024-05-31 21:00:03] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-31 21:00:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:00:03] [INFO ] Invariant cache hit.
[2024-05-31 21:00:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:00:03] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2024-05-31 21:00:03] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:00:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:00:03] [INFO ] Invariant cache hit.
[2024-05-31 21:00:03] [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 3525 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 4892 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 8546ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8550ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8778 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 4 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 21:00:12] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:00:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:12] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:00:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:00:12] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:00:12] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:00:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:00:12] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:00:12] [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 21:00:12] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:00:12] [INFO ] After 56ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 100 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[201] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-09 in 37489 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:00:12] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 21:00:12] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 21:00:12] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 21:00:12] [INFO ] Invariant cache hit.
[2024-05-31 21:00:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:00:12] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 21:00:12] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 21:00:12] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:00:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:00:12] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:12] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:00:12] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:00:12] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:00:12] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 21:00:12] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 26 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 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 256
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 39 place count 103 transition count 254
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 43 place count 99 transition count 244
Iterating global reduction 2 with 4 rules applied. Total rules applied 47 place count 99 transition count 244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 51 place count 95 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 95 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 59 place count 91 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 63 place count 91 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 67 place count 87 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 71 place count 87 transition count 216
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 75 place count 83 transition count 208
Iterating global reduction 2 with 4 rules applied. Total rules applied 79 place count 83 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 82 place count 80 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 85 place count 80 transition count 202
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 88 place count 77 transition count 196
Iterating global reduction 2 with 3 rules applied. Total rules applied 91 place count 77 transition count 196
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 93 place count 75 transition count 192
Iterating global reduction 2 with 2 rules applied. Total rules applied 95 place count 75 transition count 192
Applied a total of 95 rules in 10 ms. Remains 75 /122 variables (removed 47) and now considering 192/296 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 75/122 places, 192/296 transitions.
[2024-05-31 21:00:12] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 21:00:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-31 21:00:12] [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 924 ms. (1081 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 450 ms. (2217 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[956] Max Struct:[+inf]
[2024-05-31 21:00:14] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:14] [INFO ] Invariant cache hit.
[2024-05-31 21:00:14] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:00:14] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:00:14] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:00:14] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:00:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:00:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:14] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:00:14] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:00:14] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:00:14] [INFO ] Added : 6 causal constraints over 4 iterations in 33 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[956] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[956] 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 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:00:15] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:15] [INFO ] Invariant cache hit.
[2024-05-31 21:00:15] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:00:15] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:15] [INFO ] Invariant cache hit.
[2024-05-31 21:00:15] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:00:15] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
[2024-05-31 21:00:15] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:00:15] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:15] [INFO ] Invariant cache hit.
[2024-05-31 21:00:15] [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 2377 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 4431 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 6906ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6909ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7089 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:00:22] [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 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[956] Max Struct:[+inf]
[2024-05-31 21:00:22] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[956] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 929 ms. (1075 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 452 ms. (2207 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[956] Max Struct:[+inf]
[2024-05-31 21:00:23] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:23] [INFO ] Invariant cache hit.
[2024-05-31 21:00:23] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-31 21:00:23] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:00:23] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:00:23] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:00:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:00:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:23] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:00:23] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:00:23] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:00:24] [INFO ] Added : 6 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[956] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[956] 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 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:00:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:25] [INFO ] Invariant cache hit.
[2024-05-31 21:00:25] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-31 21:00:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:25] [INFO ] Invariant cache hit.
[2024-05-31 21:00:25] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:00:25] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
[2024-05-31 21:00:25] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:00:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:25] [INFO ] Invariant cache hit.
[2024-05-31 21:00:25] [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 2458 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 4451 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 7034ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7035ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7231 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:00:32] [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 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[956] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 59 ms. (666 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 2258494 steps, run timeout after 3059 ms. (steps per millisecond=738 ) properties seen :0 out of 1
Probabilistic random walk after 2258494 steps, saw 1413440 distinct states, run finished after 3060 ms. (steps per millisecond=738 ) properties seen :0
[2024-05-31 21:00:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:35] [INFO ] Invariant cache hit.
[2024-05-31 21:00:35] [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) 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 96 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 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]
After SMT, in 197ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 611 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.
RANDOM walk for 40010 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2050601 steps, run timeout after 3001 ms. (steps per millisecond=683 ) properties seen :0 out of 1
Probabilistic random walk after 2050601 steps, saw 1284038 distinct states, run finished after 3002 ms. (steps per millisecond=683 ) properties seen :0
[2024-05-31 21:00:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:39] [INFO ] Invariant cache hit.
[2024-05-31 21:00:39] [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) 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 90 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 82 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 175ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 592 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 21:00:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:40] [INFO ] Invariant cache hit.
[2024-05-31 21:00:40] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:00:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:40] [INFO ] Invariant cache hit.
[2024-05-31 21:00:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:00:40] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 190 ms to find 0 implicit places.
[2024-05-31 21:00:40] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:00:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:40] [INFO ] Invariant cache hit.
[2024-05-31 21:00:40] [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 2414 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 4576 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 7089ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7091ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7294 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 12 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 21:00:47] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:00:47] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:00:47] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:00:47] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:00:47] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:00:47] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:00:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 21:00:47] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:00:47] [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 21:00:47] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:00:47] [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:[956] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-10 in 35036 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:00:47] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 21:00:47] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (3 resets) in 13 ms. (714 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:[2] Max Struct:[+inf]
[2024-05-31 21:00:47] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 21:00:47] [INFO ] Invariant cache hit.
[2024-05-31 21:00:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:00:47] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:00:47] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 21:00:47] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:00:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:00:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:00:47] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:00:47] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:00:47] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 10 ms.
[2024-05-31 21:00:47] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 113 are kept as prefixes of interest. Removing 9 places using SCC suffix rule.1 ms
Discarding 9 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 17 transitions
Reduce isomorphic transitions removed 17 transitions.
Iterating post reduction 0 with 17 rules applied. Total rules applied 18 place count 113 transition count 279
Discarding 8 places :
Symmetric choice reduction at 1 with 8 rule applications. Total rules 26 place count 105 transition count 259
Iterating global reduction 1 with 8 rules applied. Total rules applied 34 place count 105 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 38 place count 105 transition count 255
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 43 place count 100 transition count 243
Iterating global reduction 2 with 5 rules applied. Total rules applied 48 place count 100 transition count 243
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 52 place count 96 transition count 231
Iterating global reduction 2 with 4 rules applied. Total rules applied 56 place count 96 transition count 231
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 60 place count 92 transition count 223
Iterating global reduction 2 with 4 rules applied. Total rules applied 64 place count 92 transition count 223
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 68 place count 88 transition count 215
Iterating global reduction 2 with 4 rules applied. Total rules applied 72 place count 88 transition count 215
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 76 place count 84 transition count 207
Iterating global reduction 2 with 4 rules applied. Total rules applied 80 place count 84 transition count 207
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 83 place count 81 transition count 201
Iterating global reduction 2 with 3 rules applied. Total rules applied 86 place count 81 transition count 201
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 89 place count 78 transition count 195
Iterating global reduction 2 with 3 rules applied. Total rules applied 92 place count 78 transition count 195
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 94 place count 76 transition count 191
Iterating global reduction 2 with 2 rules applied. Total rules applied 96 place count 76 transition count 191
Applied a total of 96 rules in 14 ms. Remains 76 /122 variables (removed 46) and now considering 191/296 (removed 105) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 76/122 places, 191/296 transitions.
[2024-05-31 21:00:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 21:00:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-31 21:00:47] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 958 ms. (1042 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 456 ms. (2188 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 21:00:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:00:49] [INFO ] Invariant cache hit.
[2024-05-31 21:00:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:00:49] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:00:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:00:49] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:00:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:00:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:49] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:00:49] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:00:49] [INFO ] Deduced a trap composed of 15 places in 48 ms of which 0 ms to minimize.
[2024-05-31 21:00:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:00:49] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-31 21:00:49] [INFO ] Added : 4 causal constraints over 2 iterations in 29 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 21:00:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:00:49] [INFO ] Invariant cache hit.
[2024-05-31 21:00:49] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-31 21:00:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:00:49] [INFO ] Invariant cache hit.
[2024-05-31 21:00:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:00:49] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2024-05-31 21:00:49] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 21:00:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:00:49] [INFO ] Invariant cache hit.
[2024-05-31 21:00:49] [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 2766 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 4400 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 7295ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7298ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7476 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 21:00:56] [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 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 23660 steps (5 resets) in 44 ms. (525 steps per ms) remains 0/1 properties
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[7] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-12 in 9606 ms.
Starting property specific reduction for FunctionPointer-PT-b008-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 21:00:57] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 21:00:57] [INFO ] Computed 2 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (3 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 21:00:57] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 21:00:57] [INFO ] Invariant cache hit.
[2024-05-31 21:00:57] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:57] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:00:57] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:00:57] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 21:00:57] [INFO ] [Real]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:00:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:00:57] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:57] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:00:57] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-31 21:00:57] [INFO ] [Nat]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:00:57] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 21:00:57] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 31 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 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 256
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 39 place count 103 transition count 254
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 43 place count 99 transition count 244
Iterating global reduction 2 with 4 rules applied. Total rules applied 47 place count 99 transition count 244
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 51 place count 95 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 55 place count 95 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 59 place count 91 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 63 place count 91 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 67 place count 87 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 71 place count 87 transition count 216
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 75 place count 83 transition count 208
Iterating global reduction 2 with 4 rules applied. Total rules applied 79 place count 83 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 82 place count 80 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 85 place count 80 transition count 202
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 88 place count 77 transition count 196
Iterating global reduction 2 with 3 rules applied. Total rules applied 91 place count 77 transition count 196
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 93 place count 75 transition count 192
Iterating global reduction 2 with 2 rules applied. Total rules applied 95 place count 75 transition count 192
Applied a total of 95 rules in 14 ms. Remains 75 /122 variables (removed 47) and now considering 192/296 (removed 104) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 75/122 places, 192/296 transitions.
[2024-05-31 21:00:57] [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 15 ms. (steps per millisecond=666 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 21:00:57] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-31 21:00:57] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 926 ms. (1078 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 474 ms. (2105 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[697] Max Struct:[+inf]
[2024-05-31 21:00:58] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:58] [INFO ] Invariant cache hit.
[2024-05-31 21:00:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:00:58] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:00:58] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:00:58] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:00:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:00:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:00:58] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:00:58] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:00:58] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:00:58] [INFO ] Added : 6 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[697] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[697] 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 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:00:59] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:59] [INFO ] Invariant cache hit.
[2024-05-31 21:00:59] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:00:59] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:59] [INFO ] Invariant cache hit.
[2024-05-31 21:00:59] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:00:59] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2024-05-31 21:00:59] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:00:59] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:00:59] [INFO ] Invariant cache hit.
[2024-05-31 21:00:59] [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
All remaining problems are real, not stopping.
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
[2024-05-31 21:01:01] [INFO ] Deduced a trap composed of 35 places in 45 ms of which 1 ms to minimize.
At refinement iteration 5 (OVERLAPS) 0/192 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4057 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: 1/1 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, 1/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 117/192 variables, 75/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4387 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: 1/1 constraints]
After SMT, in 8542ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8545ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8726 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:01:08] [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 1 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 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[697] Max Struct:[+inf]
[2024-05-31 21:01:08] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[697] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 915 ms. (1091 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 432 ms. (2309 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[947] Max Struct:[+inf]
[2024-05-31 21:01:09] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:09] [INFO ] Invariant cache hit.
[2024-05-31 21:01:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:09] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:01:09] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:01:09] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:01:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:09] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:01:09] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:01:09] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-31 21:01:09] [INFO ] Added : 6 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[947] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[947] 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 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:01:10] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:10] [INFO ] Invariant cache hit.
[2024-05-31 21:01:10] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:01:10] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:10] [INFO ] Invariant cache hit.
[2024-05-31 21:01:10] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:01:11] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
[2024-05-31 21:01:11] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:01:11] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:11] [INFO ] Invariant cache hit.
[2024-05-31 21:01:11] [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
All remaining problems are real, not stopping.
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
[2024-05-31 21:01:13] [INFO ] Deduced a trap composed of 35 places in 32 ms of which 1 ms to minimize.
At refinement iteration 5 (OVERLAPS) 0/192 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 3994 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: 1/1 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, 1/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 117/192 variables, 75/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4334 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: 1/1 constraints]
After SMT, in 8424ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8426ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8609 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:01:19] [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:[947] Max Struct:[+inf]
[2024-05-31 21:01:19] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[947] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 976 ms. (1023 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 454 ms. (2197 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[947] Max Struct:[+inf]
[2024-05-31 21:01:20] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:20] [INFO ] Invariant cache hit.
[2024-05-31 21:01:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:01:21] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:01:21] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:01:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:01:21] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:21] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:01:21] [INFO ] Added : 6 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[947] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[947] 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 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:01:22] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:22] [INFO ] Invariant cache hit.
[2024-05-31 21:01:22] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-31 21:01:22] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:22] [INFO ] Invariant cache hit.
[2024-05-31 21:01:22] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:01:22] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2024-05-31 21:01:22] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:01:22] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:22] [INFO ] Invariant cache hit.
[2024-05-31 21:01:22] [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
All remaining problems are real, not stopping.
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
[2024-05-31 21:01:24] [INFO ] Deduced a trap composed of 35 places in 47 ms of which 1 ms to minimize.
At refinement iteration 5 (OVERLAPS) 0/192 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4082 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: 1/1 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, 1/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 117/192 variables, 75/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4390 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: 1/1 constraints]
After SMT, in 8604ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8606ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8794 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:01:30] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 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 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[947] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2228485 steps, run timeout after 3001 ms. (steps per millisecond=742 ) properties seen :0 out of 1
Probabilistic random walk after 2228485 steps, saw 1394761 distinct states, run finished after 3001 ms. (steps per millisecond=742 ) properties seen :0
[2024-05-31 21:01:34] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:34] [INFO ] Invariant cache hit.
[2024-05-31 21:01:34] [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 92 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 90 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 240ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 573 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 40002 steps (8 resets) in 66 ms. (597 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2160220 steps, run timeout after 3001 ms. (steps per millisecond=719 ) properties seen :0 out of 1
Probabilistic random walk after 2160220 steps, saw 1352269 distinct states, run finished after 3001 ms. (steps per millisecond=719 ) properties seen :0
[2024-05-31 21:01:37] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:37] [INFO ] Invariant cache hit.
[2024-05-31 21:01:37] [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 123 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 86 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 235ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 624 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 21:01:38] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:38] [INFO ] Invariant cache hit.
[2024-05-31 21:01:38] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:01:38] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:38] [INFO ] Invariant cache hit.
[2024-05-31 21:01:38] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:01:38] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 188 ms to find 0 implicit places.
[2024-05-31 21:01:38] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:01:38] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:01:38] [INFO ] Invariant cache hit.
[2024-05-31 21:01:38] [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
All remaining problems are real, not stopping.
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
[2024-05-31 21:01:41] [INFO ] Deduced a trap composed of 35 places in 47 ms of which 0 ms to minimize.
At refinement iteration 5 (OVERLAPS) 0/192 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4102 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: 1/1 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, 1/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/75 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (OVERLAPS) 117/192 variables, 75/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 7 (OVERLAPS) 0/192 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4565 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: 1/1 constraints]
After SMT, in 8782ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8784ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8979 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 4 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 21:01:47] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 21:01:47] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:01:47] [INFO ] After 7ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:01:47] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:01:47] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:01:47] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:01:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:01:47] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:01:47] [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 21:01:47] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:01:47] [INFO ] After 38ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 69 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[947] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-13 in 50803 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-14
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:01:47] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 21:01:47] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (3 resets) in 16 ms. (588 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:[1] Max Struct:[+inf]
[2024-05-31 21:01:47] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 21:01:47] [INFO ] Invariant cache hit.
[2024-05-31 21:01:47] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:47] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:01:47] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-31 21:01:47] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 21:01:47] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:01:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:47] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:47] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:01:48] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:01:48] [INFO ] [Nat]Added 43 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:01:48] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 21:01:48] [INFO ] Added : 10 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 32 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 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 256
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 41 place count 103 transition count 252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 45 place count 99 transition count 244
Iterating global reduction 2 with 4 rules applied. Total rules applied 49 place count 99 transition count 244
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 52 place count 96 transition count 234
Iterating global reduction 2 with 3 rules applied. Total rules applied 55 place count 96 transition count 234
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 58 place count 93 transition count 228
Iterating global reduction 2 with 3 rules applied. Total rules applied 61 place count 93 transition count 228
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 64 place count 90 transition count 222
Iterating global reduction 2 with 3 rules applied. Total rules applied 67 place count 90 transition count 222
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 70 place count 87 transition count 216
Iterating global reduction 2 with 3 rules applied. Total rules applied 73 place count 87 transition count 216
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 75 place count 85 transition count 212
Iterating global reduction 2 with 2 rules applied. Total rules applied 77 place count 85 transition count 212
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 79 place count 83 transition count 208
Iterating global reduction 2 with 2 rules applied. Total rules applied 81 place count 83 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 83 place count 81 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 85 place count 81 transition count 204
Applied a total of 85 rules in 10 ms. Remains 81 /122 variables (removed 41) and now considering 204/296 (removed 92) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 81/122 places, 204/296 transitions.
[2024-05-31 21:01:48] [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 17 ms. (steps per millisecond=588 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 21:01:48] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-31 21:01:48] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 997 ms. (1002 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 494 ms. (2020 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[718] Max Struct:[+inf]
[2024-05-31 21:01:49] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:01:49] [INFO ] Invariant cache hit.
[2024-05-31 21:01:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:49] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:01:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:01:49] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:01:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:01:49] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:01:49] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:01:49] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:01:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-31 21:01:49] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 6 ms.
[2024-05-31 21:01:49] [INFO ] Added : 18 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[718] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[718] 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 21:01:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:01:51] [INFO ] Invariant cache hit.
[2024-05-31 21:01:51] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:01:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:01:51] [INFO ] Invariant cache hit.
[2024-05-31 21:01:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:01:51] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-31 21:01:51] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:01:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:01:51] [INFO ] Invariant cache hit.
[2024-05-31 21:01:51] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3304 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 4824 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 8231ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8234ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8416 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:01:59] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[718] Max Struct:[+inf]
[2024-05-31 21:01:59] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:01:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[718] 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 468 ms. (2132 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[718] Max Struct:[+inf]
[2024-05-31 21:02:01] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:02:01] [INFO ] Invariant cache hit.
[2024-05-31 21:02:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:02:01] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:02:01] [INFO ] [Real]Added 18 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:02:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:02:01] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:01] [INFO ] Deduced a trap composed of 19 places in 73 ms of which 1 ms to minimize.
[2024-05-31 21:02:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2024-05-31 21:02:01] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 7 ms.
[2024-05-31 21:02:01] [INFO ] Added : 18 causal constraints over 4 iterations in 40 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[718] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[718] 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 21:02:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:02:03] [INFO ] Invariant cache hit.
[2024-05-31 21:02:03] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-31 21:02:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:02:03] [INFO ] Invariant cache hit.
[2024-05-31 21:02:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:02:03] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2024-05-31 21:02:03] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-31 21:02:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:02:03] [INFO ] Invariant cache hit.
[2024-05-31 21:02:03] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 3360 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 4804 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 8297ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8299ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8486 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-31 21:02:11] [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 :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-31 21:02:11] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-31 21:02:11] [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 974 ms. (1025 steps per ms)
FORMULA FunctionPointer-PT-b008-UpperBounds-14 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-14 in 25111 ms.
Starting property specific reduction for FunctionPointer-PT-b008-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:02:12] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
// Phase 1: matrix 200 rows 122 cols
[2024-05-31 21:02:12] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (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:[7] Max Struct:[+inf]
[2024-05-31 21:02:12] [INFO ] Flow matrix only has 200 transitions (discarded 96 similar events)
[2024-05-31 21:02:12] [INFO ] Invariant cache hit.
[2024-05-31 21:02:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:02:13] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:02:13] [INFO ] State equation strengthened by 43 read => feed constraints.
[2024-05-31 21:02:13] [INFO ] [Real]Added 43 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:02:13] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:02:13] [INFO ] [Nat]Added 43 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:13] [INFO ] Computed and/alt/rep : 47/131/43 causal constraints (skipped 155 transitions) in 11 ms.
[2024-05-31 21:02:13] [INFO ] Added : 9 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[7] Max Struct:[+inf]
Support contains 1 out of 122 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 122/122 places, 296/296 transitions.
Graph (complete) has 497 edges and 122 vertex of which 110 are kept as prefixes of interest. Removing 12 places using SCC suffix rule.0 ms
Discarding 12 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 22 transitions
Reduce isomorphic transitions removed 22 transitions.
Iterating post reduction 0 with 22 rules applied. Total rules applied 23 place count 110 transition count 274
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 30 place count 103 transition count 256
Iterating global reduction 1 with 7 rules applied. Total rules applied 37 place count 103 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 41 place count 103 transition count 252
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 45 place count 99 transition count 242
Iterating global reduction 2 with 4 rules applied. Total rules applied 49 place count 99 transition count 242
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 52 place count 96 transition count 232
Iterating global reduction 2 with 3 rules applied. Total rules applied 55 place count 96 transition count 232
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 58 place count 93 transition count 226
Iterating global reduction 2 with 3 rules applied. Total rules applied 61 place count 93 transition count 226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 64 place count 90 transition count 220
Iterating global reduction 2 with 3 rules applied. Total rules applied 67 place count 90 transition count 220
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 70 place count 87 transition count 214
Iterating global reduction 2 with 3 rules applied. Total rules applied 73 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 76 place count 84 transition count 208
Iterating global reduction 2 with 3 rules applied. Total rules applied 79 place count 84 transition count 208
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 82 place count 81 transition count 202
Iterating global reduction 2 with 3 rules applied. Total rules applied 85 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 87 place count 79 transition count 198
Iterating global reduction 2 with 2 rules applied. Total rules applied 89 place count 79 transition count 198
Applied a total of 89 rules in 10 ms. Remains 79 /122 variables (removed 43) and now considering 198/296 (removed 98) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 79/122 places, 198/296 transitions.
[2024-05-31 21:02:13] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 18 ms. (steps per millisecond=555 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-31 21:02:13] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-31 21:02:13] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 908 ms. (1100 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 472 ms. (2114 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[727] Max Struct:[+inf]
[2024-05-31 21:02:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:14] [INFO ] Invariant cache hit.
[2024-05-31 21:02:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:14] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:02:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:02:14] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:14] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:02:14] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:02:14] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 6 ms.
[2024-05-31 21:02:14] [INFO ] Added : 15 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[727] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[727] 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 21:02:16] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:16] [INFO ] Invariant cache hit.
[2024-05-31 21:02:16] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:02:16] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:16] [INFO ] Invariant cache hit.
[2024-05-31 21:02:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:02:16] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-31 21:02:16] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:02:16] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:16] [INFO ] Invariant cache hit.
[2024-05-31 21:02:16] [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 3138 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 4434 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 7691ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7693ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7864 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:02:24] [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 :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[727] Max Struct:[+inf]
[2024-05-31 21:02:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[727] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 967 ms. (1033 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 484 ms. (2061 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[727] Max Struct:[+inf]
[2024-05-31 21:02:25] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:25] [INFO ] Invariant cache hit.
[2024-05-31 21:02:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:25] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:02:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:02:25] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:02:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:25] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:02:25] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:02:25] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 8 ms.
[2024-05-31 21:02:25] [INFO ] Added : 15 causal constraints over 4 iterations in 42 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[727] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[727] 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 21:02:27] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:27] [INFO ] Invariant cache hit.
[2024-05-31 21:02:27] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 21:02:27] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:27] [INFO ] Invariant cache hit.
[2024-05-31 21:02:27] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:02:27] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2024-05-31 21:02:27] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:02:27] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:27] [INFO ] Invariant cache hit.
[2024-05-31 21:02:27] [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 3153 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 4431 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 7712ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7716ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7892 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:02:34] [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 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[727] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 125 ms. (317 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 42 ms. (930 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2219228 steps, run timeout after 3001 ms. (steps per millisecond=739 ) properties seen :0 out of 1
Probabilistic random walk after 2219228 steps, saw 1381253 distinct states, run finished after 3001 ms. (steps per millisecond=739 ) properties seen :0
[2024-05-31 21:02:38] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:38] [INFO ] Invariant cache hit.
[2024-05-31 21:02:38] [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 66 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 66 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 136ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 816 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 40008 steps (8 resets) in 74 ms. (533 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 2228350 steps, run timeout after 3001 ms. (steps per millisecond=742 ) properties seen :0 out of 1
Probabilistic random walk after 2228350 steps, saw 1386932 distinct states, run finished after 3001 ms. (steps per millisecond=742 ) properties seen :0
[2024-05-31 21:02:42] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:42] [INFO ] Invariant cache hit.
[2024-05-31 21:02:42] [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 63 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 70 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 134ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 821 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.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 1 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:02:43] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:43] [INFO ] Invariant cache hit.
[2024-05-31 21:02:43] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:02:43] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:43] [INFO ] Invariant cache hit.
[2024-05-31 21:02:43] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:02:43] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2024-05-31 21:02:43] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:02:43] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:02:43] [INFO ] Invariant cache hit.
[2024-05-31 21:02:43] [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 3065 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 4418 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 7580ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7582ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7766 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 5 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 21:02:50] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 21:02:50] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:02:50] [INFO ] After 24ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:02:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:02:50] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:02:50] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:02:50] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:02:50] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:02:50] [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 80 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[727] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b008-UpperBounds-15 in 37966 ms.
[2024-05-31 21:02:51] [INFO ] Flatten gal took : 66 ms
[2024-05-31 21:02:51] [INFO ] Export to MCC of 12 properties in file /home/mcc/execution/UpperBounds.sr.xml took 6 ms.
[2024-05-31 21:02:51] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 122 places, 296 transitions and 1202 arcs took 8 ms.
Total runtime 722008 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-b008-UpperBounds-00
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-01
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-03
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-04
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-05
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-06
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-08
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-09
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-10
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-12
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-13
Could not compute solution for formula : FunctionPointer-PT-b008-UpperBounds-15

BK_STOP 1717189371486

--------------------
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-b008-UpperBounds-00
ub formula formula --maxsum=/tmp/2684/ub_0_
ub formula name FunctionPointer-PT-b008-UpperBounds-01
ub formula formula --maxsum=/tmp/2684/ub_1_
ub formula name FunctionPointer-PT-b008-UpperBounds-03
ub formula formula --maxsum=/tmp/2684/ub_2_
ub formula name FunctionPointer-PT-b008-UpperBounds-04
ub formula formula --maxsum=/tmp/2684/ub_3_
ub formula name FunctionPointer-PT-b008-UpperBounds-05
ub formula formula --maxsum=/tmp/2684/ub_4_
ub formula name FunctionPointer-PT-b008-UpperBounds-06
ub formula formula --maxsum=/tmp/2684/ub_5_
ub formula name FunctionPointer-PT-b008-UpperBounds-08
ub formula formula --maxsum=/tmp/2684/ub_6_
ub formula name FunctionPointer-PT-b008-UpperBounds-09
ub formula formula --maxsum=/tmp/2684/ub_7_
ub formula name FunctionPointer-PT-b008-UpperBounds-10
ub formula formula --maxsum=/tmp/2684/ub_8_
ub formula name FunctionPointer-PT-b008-UpperBounds-12
ub formula formula --maxsum=/tmp/2684/ub_9_
ub formula name FunctionPointer-PT-b008-UpperBounds-13
ub formula formula --maxsum=/tmp/2684/ub_10_
ub formula name FunctionPointer-PT-b008-UpperBounds-15
ub formula formula --maxsum=/tmp/2684/ub_11_
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-b008"
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-b008, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r496-tall-171640603000237"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b008.tgz
mv FunctionPointer-PT-b008 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

echo
echo "--------------------"
echo "content from stdout:"
echo
echo "=== Data for post analysis generated by BenchKit (invocation template)"
echo
if [ "UpperBounds" = "UpperBounds" ] ; then
echo "The expected result is a vector of positive values"
echo NUM_VECTOR
elif [ "UpperBounds" != "StateSpace" ] ; then
echo "The expected result is a vector of booleans"
echo BOOL_VECTOR
else
echo "no data necessary for post analysis"
fi
echo
if [ -f "UpperBounds.txt" ] ; then
echo "here is the order used to build the result vector(from text file)"
for x in $(grep Property UpperBounds.txt | cut -d ' ' -f 2 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ -f "UpperBounds.xml" ] ; then # for cunf (txt files deleted;-)
echo echo "here is the order used to build the result vector(from xml file)"
for x in $(grep '' UpperBounds.xml | cut -d '>' -f 2 | cut -d '<' -f 1 | sort -u) ; do
echo "FORMULA_NAME $x"
done
elif [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] ; then
echo "FORMULA_NAME UpperBounds"
fi
echo
echo "=== Now, execution of the tool begins"
echo
echo -n "BK_START "
date -u +%s%3N
echo
timeout -s 9 $BK_TIME_CONFINEMENT bash -c "/home/mcc/BenchKit/BenchKit_head.sh 2> STDERR ; echo ; echo -n \"BK_STOP \" ; date -u +%s%3N"
if [ $? -eq 137 ] ; then
echo
echo "BK_TIME_CONFINEMENT_REACHED"
fi
echo
echo "--------------------"
echo "content from stderr:"
echo
cat STDERR ;