Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r179-tall-171640601100261.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)
...............
=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is FunctionPointer-PT-b064, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640601100261
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 896K
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 69K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 5.7K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 53K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.5K May 19 07:09 LTLCardinality.txt
-rw-r--r-- 1 mcc users 24K May 19 15:55 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.1K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 17K May 19 18:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 15K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 159K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 11K Apr 11 15:58 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 97K Apr 11 15:58 ReachabilityFireability.xml
-rw-r--r-- 1 mcc users 1.6K May 19 07:12 UpperBounds.txt
-rw-r--r-- 1 mcc users 3.8K May 19 15:26 UpperBounds.xml
-rw-r--r-- 1 mcc users 6 May 18 16:42 equiv_col
-rw-r--r-- 1 mcc users 5 May 18 16:42 instance
-rw-r--r-- 1 mcc users 6 May 18 16:42 iscolored
-rw-r--r-- 1 mcc users 391K May 18 16:42 model.pnml

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

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

The expected result is a vector of positive values
NUM_VECTOR

here is the order used to build the result vector(from text file)
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b064-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716432884115

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b064
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 02:54:45] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-23 02:54:45] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 02:54:45] [INFO ] Load time of PNML (sax parser for PT used): 138 ms
[2024-05-23 02:54:45] [INFO ] Transformed 306 places.
[2024-05-23 02:54:45] [INFO ] Transformed 840 transitions.
[2024-05-23 02:54:45] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 258 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 84 places in 10 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b064-UpperBounds-06 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b064-UpperBounds-10 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b064-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:54:45] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-23 02:54:45] [INFO ] Computed 4 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, 64, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 10027 steps (5 resets) in 39 ms. (250 steps per ms)
FORMULA FunctionPointer-PT-b064-UpperBounds-01 64 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 120012 steps (68 resets) in 143 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[66, 4, 4, 6, 3, 66, 3, 1, 2, 36, 3, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:54:45] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-23 02:54:45] [INFO ] Invariant cache hit.
[2024-05-23 02:54:46] [INFO ] [Real]Absence check using 3 positive place invariants in 6 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Real]Absence check using state equation in 110 ms returned sat
[2024-05-23 02:54:46] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-23 02:54:46] [INFO ] [Real]Added 65 Read/Feed constraints in 14 ms returned sat
[2024-05-23 02:54:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Nat]Absence check using state equation in 89 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Nat]Added 65 Read/Feed constraints in 16 ms returned sat
[2024-05-23 02:54:46] [INFO ] Deduced a trap composed of 31 places in 147 ms of which 19 ms to minimize.
[2024-05-23 02:54:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 194 ms
[2024-05-23 02:54:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 74 ms.
[2024-05-23 02:54:46] [INFO ] Added : 2 causal constraints over 1 iterations in 145 ms. Result :sat
Minimization took 90 ms.
[2024-05-23 02:54:46] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Real]Absence check using state equation in 82 ms returned sat
[2024-05-23 02:54:46] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:54:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Nat]Absence check using state equation in 79 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:54:47] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 63 ms.
[2024-05-23 02:54:47] [INFO ] Added : 2 causal constraints over 1 iterations in 125 ms. Result :sat
Minimization took 79 ms.
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using state equation in 79 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:54:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Nat]Added 65 Read/Feed constraints in 20 ms returned sat
[2024-05-23 02:54:47] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 38 ms.
[2024-05-23 02:54:47] [INFO ] Added : 1 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 81 ms.
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:54:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Nat]Added 65 Read/Feed constraints in 20 ms returned sat
[2024-05-23 02:54:48] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 36 ms.
[2024-05-23 02:54:48] [INFO ] Added : 3 causal constraints over 1 iterations in 90 ms. Result :sat
Minimization took 112 ms.
[2024-05-23 02:54:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:54:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:54:48] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 32 ms.
[2024-05-23 02:54:48] [INFO ] Added : 1 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 77 ms.
[2024-05-23 02:54:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Real]Added 65 Read/Feed constraints in 14 ms returned sat
[2024-05-23 02:54:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:54:49] [INFO ] Deduced a trap composed of 31 places in 113 ms of which 2 ms to minimize.
[2024-05-23 02:54:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 146 ms
[2024-05-23 02:54:49] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 42 ms.
[2024-05-23 02:54:49] [INFO ] Added : 2 causal constraints over 1 iterations in 94 ms. Result :sat
Minimization took 84 ms.
[2024-05-23 02:54:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Real]Absence check using state equation in 92 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:54:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:54:49] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-23 02:54:49] [INFO ] Added : 2 causal constraints over 1 iterations in 78 ms. Result :sat
Minimization took 83 ms.
[2024-05-23 02:54:50] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Real]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:54:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:54:50] [INFO ] Deduced a trap composed of 26 places in 96 ms of which 2 ms to minimize.
[2024-05-23 02:54:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 116 ms
[2024-05-23 02:54:50] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-23 02:54:50] [INFO ] Added : 2 causal constraints over 1 iterations in 78 ms. Result :sat
Minimization took 84 ms.
[2024-05-23 02:54:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:54:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-23 02:54:50] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:54:50] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 35 ms.
[2024-05-23 02:54:51] [INFO ] Added : 4 causal constraints over 2 iterations in 109 ms. Result :sat
Minimization took 83 ms.
[2024-05-23 02:54:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:54:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:54:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 32 ms.
[2024-05-23 02:54:51] [INFO ] Added : 2 causal constraints over 1 iterations in 76 ms. Result :sat
Minimization took 85 ms.
[2024-05-23 02:54:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:54:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2024-05-23 02:54:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:54:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2024-05-23 02:54:51] [INFO ] Added : 2 causal constraints over 1 iterations in 72 ms. Result :sat
Minimization took 73 ms.
[2024-05-23 02:54:52] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:54:52] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:52] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-23 02:54:52] [INFO ] [Real]Added 65 Read/Feed constraints in 18 ms returned sat
[2024-05-23 02:54:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:54:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:54:52] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:54:52] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:54:52] [INFO ] [Nat]Added 65 Read/Feed constraints in 15 ms returned sat
[2024-05-23 02:54:52] [INFO ] Deduced a trap composed of 26 places in 103 ms of which 5 ms to minimize.
[2024-05-23 02:54:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 127 ms
[2024-05-23 02:54:52] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 26 ms.
[2024-05-23 02:54:52] [INFO ] Added : 1 causal constraints over 1 iterations in 73 ms. Result :sat
Minimization took 78 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[66, 4, 4, 6, 3, 66, 3, 1, 2, 36, 3, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[66, 4, 4, 6, 3, 66, 3, 1, 2, 36, 3, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 191 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.2 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 42 transitions
Reduce isomorphic transitions removed 42 transitions.
Iterating post reduction 0 with 42 rules applied. Total rules applied 43 place count 191 transition count 606
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 70 place count 164 transition count 448
Iterating global reduction 1 with 27 rules applied. Total rules applied 97 place count 164 transition count 448
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 125 place count 164 transition count 420
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 139 place count 150 transition count 392
Iterating global reduction 2 with 14 rules applied. Total rules applied 153 place count 150 transition count 392
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 160 place count 143 transition count 378
Iterating global reduction 2 with 7 rules applied. Total rules applied 167 place count 143 transition count 378
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 173 place count 137 transition count 354
Iterating global reduction 2 with 6 rules applied. Total rules applied 179 place count 137 transition count 354
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 184 place count 132 transition count 344
Iterating global reduction 2 with 5 rules applied. Total rules applied 189 place count 132 transition count 344
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 194 place count 127 transition count 324
Iterating global reduction 2 with 5 rules applied. Total rules applied 199 place count 127 transition count 324
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 202 place count 124 transition count 312
Iterating global reduction 2 with 3 rules applied. Total rules applied 205 place count 124 transition count 312
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 208 place count 121 transition count 306
Iterating global reduction 2 with 3 rules applied. Total rules applied 211 place count 121 transition count 306
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 214 place count 118 transition count 300
Iterating global reduction 2 with 3 rules applied. Total rules applied 217 place count 118 transition count 300
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 220 place count 115 transition count 294
Iterating global reduction 2 with 3 rules applied. Total rules applied 223 place count 115 transition count 294
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 226 place count 112 transition count 288
Iterating global reduction 2 with 3 rules applied. Total rules applied 229 place count 112 transition count 288
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 231 place count 110 transition count 284
Iterating global reduction 2 with 2 rules applied. Total rules applied 233 place count 110 transition count 284
Drop transitions (Redundant composition of simpler transitions.) removed 10 transitions
Redundant transition composition rules discarded 10 transitions
Iterating global reduction 2 with 10 rules applied. Total rules applied 243 place count 110 transition count 274
Applied a total of 243 rules in 125 ms. Remains 110 /222 variables (removed 112) and now considering 274/648 (removed 374) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 135 ms. Remains : 110/222 places, 274/648 transitions.
[2024-05-23 02:54:53] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 21 resets, run finished after 73 ms. (steps per millisecond=136 ) properties (out of 12) seen :[3, 4, 5, 6, 9, 6, 2, 2, 2, 8, 2, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[66, 4, 5, 6, 9, 66, 3, 2, 2, 36, 3, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:54:53] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 02:54:53] [INFO ] Computed 2 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[66, 4, 5, 6, 9, 66, 3, 2, 2, 36, 3, 7] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1363 ms. (733 steps per ms)
BEST_FIRST walk for 12000012 steps (555 resets) in 9866 ms. (1216 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[66, 29, 36, 15, 33, 66, 41, 237, 18, 36, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:55:04] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:04] [INFO ] Invariant cache hit.
[2024-05-23 02:55:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:55:04] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:55:04] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:04] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 02:55:04] [INFO ] Added : 5 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:55:04] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:04] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:04] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:04] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:05] [INFO ] Added : 25 causal constraints over 6 iterations in 96 ms. Result :sat
Minimization took 39 ms.
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:55:05] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 15 ms.
[2024-05-23 02:55:05] [INFO ] Added : 8 causal constraints over 3 iterations in 57 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:55:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:05] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 16 ms.
[2024-05-23 02:55:05] [INFO ] Added : 1 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 11 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:05] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:55:05] [INFO ] Added : 4 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:55:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:55:06] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:06] [INFO ] Added : 4 causal constraints over 2 iterations in 39 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 4 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 15 ms returned sat
[2024-05-23 02:55:06] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 13 ms.
[2024-05-23 02:55:06] [INFO ] Added : 13 causal constraints over 3 iterations in 56 ms. Result :sat
Minimization took 35 ms.
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:55:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:06] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:06] [INFO ] Added : 10 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 42 ms.
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:06] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:06] [INFO ] Added : 30 causal constraints over 7 iterations in 92 ms. Result :sat
Minimization took 35 ms.
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 02:55:07] [INFO ] Added : 2 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:55:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:07] [INFO ] Added : 10 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:55:07] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:55:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:55:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-23 02:55:07] [INFO ] Added : 9 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[66, 29, 36, 15, 33, 66, 41, 237, 18, 36, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[66, 29, 36, 15, 63, 66, 41, 237, 18, 36, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 9 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 8 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-23 02:55:08] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:08] [INFO ] Invariant cache hit.
[2024-05-23 02:55:08] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-23 02:55:08] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:08] [INFO ] Invariant cache hit.
[2024-05-23 02:55:08] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:55:08] [INFO ] Implicit Places using invariants and state equation in 294 ms returned []
Implicit Place search using SMT with State Equation took 381 ms to find 0 implicit places.
[2024-05-23 02:55:08] [INFO ] Redundant transitions in 15 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-23 02:55:08] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:08] [INFO ] Invariant cache hit.
[2024-05-23 02:55:08] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7499 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8289 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 16129ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 16140ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16573 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-23 02:55:24] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 15 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 12) seen :[6, 4, 4, 6, 3, 8, 3, 1, 4, 6, 2, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[66, 29, 36, 15, 63, 66, 41, 237, 18, 36, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:55:25] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[66, 29, 36, 15, 63, 66, 41, 237, 18, 36, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1150 ms. (868 steps per ms)
BEST_FIRST walk for 12000012 steps (611 resets) in 9633 ms. (1245 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[66, 221, 37, 15, 243, 66, 41, 237, 27, 36, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:55:35] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:35] [INFO ] Invariant cache hit.
[2024-05-23 02:55:35] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:35] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:35] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:35] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:55:35] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:35] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:35] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:35] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:55:36] [INFO ] Added : 5 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using state equation in 38 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-23 02:55:36] [INFO ] Added : 24 causal constraints over 6 iterations in 87 ms. Result :sat
Minimization took 35 ms.
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:55:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:55:36] [INFO ] Added : 8 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:55:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:36] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:55:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:55:36] [INFO ] Added : 11 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Added 32 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:55:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:55:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 02:55:37] [INFO ] Added : 4 causal constraints over 2 iterations in 36 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:55:37] [INFO ] Added : 13 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 36 ms.
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 5 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:55:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 8 ms.
[2024-05-23 02:55:37] [INFO ] Added : 10 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 14 ms.
[2024-05-23 02:55:37] [INFO ] Added : 30 causal constraints over 7 iterations in 94 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:38] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:55:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:55:38] [INFO ] Added : 10 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 36 ms.
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:55:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:55:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:55:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:55:38] [INFO ] Added : 9 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 35 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[66, 221, 37, 15, 243, 66, 41, 237, 27, 36, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[66, 221, 37, 58, 426, 66, 41, 237, 27, 41, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 9 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-23 02:55:39] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:39] [INFO ] Invariant cache hit.
[2024-05-23 02:55:39] [INFO ] Implicit Places using invariants in 80 ms returned []
[2024-05-23 02:55:39] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:39] [INFO ] Invariant cache hit.
[2024-05-23 02:55:40] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:55:40] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 232 ms to find 0 implicit places.
[2024-05-23 02:55:40] [INFO ] Redundant transitions in 13 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-23 02:55:40] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:40] [INFO ] Invariant cache hit.
[2024-05-23 02:55:40] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 6855 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7843 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 14924ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 14931ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15189 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-23 02:55:55] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 15 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 12) seen :[5, 6, 3, 5, 5, 4, 2, 3, 5, 4, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[66, 221, 37, 58, 426, 66, 41, 237, 27, 41, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:55:55] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:55:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[66, 221, 37, 58, 426, 66, 41, 237, 27, 41, 15, 245] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1232 ms. (811 steps per ms)
BEST_FIRST walk for 12000011 steps (528 resets) in 9759 ms. (1229 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:56:06] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:06] [INFO ] Invariant cache hit.
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:06] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:56:06] [INFO ] [Real]Added 32 Read/Feed constraints in 11 ms returned sat
[2024-05-23 02:56:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:06] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:06] [INFO ] Added : 5 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 2 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:06] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-23 02:56:06] [INFO ] Added : 24 causal constraints over 6 iterations in 78 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:06] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:06] [INFO ] Added : 8 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:56:06] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:56:06] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:07] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:56:07] [INFO ] Added : 11 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Added 32 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:56:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 02:56:07] [INFO ] Added : 4 causal constraints over 2 iterations in 37 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:07] [INFO ] Added : 21 causal constraints over 6 iterations in 76 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Absence check using state equation in 36 ms returned sat
[2024-05-23 02:56:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:07] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:56:08] [INFO ] Added : 10 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:08] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:08] [INFO ] Added : 30 causal constraints over 7 iterations in 85 ms. Result :sat
Minimization took 35 ms.
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:08] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:08] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:08] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:08] [INFO ] Added : 10 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:08] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:08] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 8 ms.
[2024-05-23 02:56:08] [INFO ] Added : 9 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 10 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 9 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-23 02:56:10] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:10] [INFO ] Invariant cache hit.
[2024-05-23 02:56:10] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-23 02:56:10] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:10] [INFO ] Invariant cache hit.
[2024-05-23 02:56:10] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:56:10] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 225 ms to find 0 implicit places.
[2024-05-23 02:56:10] [INFO ] Redundant transitions in 2 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-23 02:56:10] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:10] [INFO ] Invariant cache hit.
[2024-05-23 02:56:10] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7159 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7857 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15203ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15207ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15447 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-23 02:56:25] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 16 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 12) seen :[7, 3, 3, 8, 7, 6, 2, 2, 7, 5, 3, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:56:26] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1136 ms. (879 steps per ms)
BEST_FIRST walk for 12000012 steps (661 resets) in 9110 ms. (1317 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
[2024-05-23 02:56:36] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:36] [INFO ] Invariant cache hit.
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:56:36] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:56:36] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 02:56:36] [INFO ] Added : 5 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:56:36] [INFO ] Added : 24 causal constraints over 6 iterations in 82 ms. Result :sat
Minimization took 37 ms.
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:56:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:36] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:36] [INFO ] Added : 8 causal constraints over 3 iterations in 53 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 02:56:37] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 02:56:37] [INFO ] Added : 11 causal constraints over 4 iterations in 60 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:56:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:56:37] [INFO ] Added : 4 causal constraints over 2 iterations in 38 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Absence check using state equation in 39 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:56:37] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:37] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:56:37] [INFO ] Added : 21 causal constraints over 6 iterations in 78 ms. Result :sat
Minimization took 34 ms.
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-23 02:56:38] [INFO ] Added : 10 causal constraints over 3 iterations in 51 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:56:38] [INFO ] Added : 30 causal constraints over 7 iterations in 89 ms. Result :sat
Minimization took 35 ms.
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:38] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:38] [INFO ] Added : 10 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:56:39] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:39] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:56:39] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:56:39] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:39] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:39] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:56:39] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:39] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:39] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:56:39] [INFO ] Added : 9 causal constraints over 3 iterations in 59 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
Support contains 12 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 7 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-23 02:56:40] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:40] [INFO ] Invariant cache hit.
[2024-05-23 02:56:40] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-23 02:56:40] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:40] [INFO ] Invariant cache hit.
[2024-05-23 02:56:40] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:56:40] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 210 ms to find 0 implicit places.
[2024-05-23 02:56:40] [INFO ] Redundant transitions in 1 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-23 02:56:40] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:40] [INFO ] Invariant cache hit.
[2024-05-23 02:56:40] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 6988 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8013 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15176ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15180ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15400 ms. Remains : 110/110 places, 274/274 transitions.
[2024-05-23 02:56:56] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
Found an invariant !
This invariant on transitions {27=1, 41=1, 46=1, 85=1, 120=1, 169=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {33=1, 91=1, 142=1, 177=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 24 resets, run finished after 60 ms. (steps per millisecond=166 ) properties (out of 12) seen :[3, 5, 4, 4, 3, 4, 2, 3, 3, 5, 2, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 41, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, 64, +inf, +inf]
RANDOM walk for 40000 steps (9 resets) in 1901 ms. (21 steps per ms) remains 12/14 properties
BEST_FIRST walk for 40004 steps (8 resets) in 119 ms. (333 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (9 resets) in 88 ms. (449 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (9 resets) in 150 ms. (264 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 184 ms. (216 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (11 resets) in 210 ms. (189 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (8 resets) in 158 ms. (251 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 162 ms. (245 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 117 ms. (339 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40003 steps (10 resets) in 92 ms. (430 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (9 resets) in 82 ms. (481 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (8 resets) in 79 ms. (500 steps per ms) remains 12/12 properties
BEST_FIRST walk for 40004 steps (12 resets) in 51 ms. (769 steps per ms) remains 12/12 properties
[2024-05-23 02:56:57] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:56:57] [INFO ] Invariant cache hit.
[2024-05-23 02:56:57] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 47/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 106/164 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 79/243 variables, 21/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 28/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 0/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (OVERLAPS) 9/252 variables, 1/109 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/252 variables, 3/112 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/252 variables, 0/112 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (OVERLAPS) 32/284 variables, 24/136 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/284 variables, 4/140 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (OVERLAPS) 4/288 variables, 4/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 12 unsolved in 412 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 12 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/11 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 1 (OVERLAPS) 47/58 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/58 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 3 (OVERLAPS) 106/164 variables, 58/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/164 variables, 0/59 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 5 (OVERLAPS) 79/243 variables, 21/80 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/243 variables, 28/108 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/243 variables, 12/120 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/243 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 9 (OVERLAPS) 9/252 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/252 variables, 3/124 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/252 variables, 0/124 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 12 (OVERLAPS) 32/284 variables, 24/148 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/284 variables, 4/152 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/284 variables, 0/152 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 15 (OVERLAPS) 4/288 variables, 4/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/288 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
At refinement iteration 17 (OVERLAPS) 0/288 variables, 0/156 constraints. Problems are: Problem set: 0 solved, 12 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 156 constraints, problems are : Problem set: 0 solved, 12 unsolved in 539 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 12/12 constraints, Known Traps: 0/0 constraints]
After SMT, in 957ms problems are : Problem set: 0 solved, 12 unsolved
Fused 12 Parikh solutions to 7 different solutions.
Parikh walk visited 2 properties in 47616 ms.
Support contains 10 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 6 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 110/110 places, 274/274 transitions.
RANDOM walk for 40002 steps (9 resets) in 113 ms. (350 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (10 resets) in 52 ms. (754 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 (9 resets) in 34 ms. (1142 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (11 resets) in 29 ms. (1333 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (9 resets) in 30 ms. (1290 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (9 resets) in 36 ms. (1081 steps per ms) remains 10/10 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 10/10 properties
Interrupted probabilistic random walk after 248232 steps, run timeout after 3001 ms. (steps per millisecond=82 ) properties seen :0 out of 10
Probabilistic random walk after 248232 steps, saw 154531 distinct states, run finished after 3004 ms. (steps per millisecond=82 ) properties seen :0
[2024-05-23 02:57:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:57:49] [INFO ] Invariant cache hit.
[2024-05-23 02:57:49] [INFO ] State equation strengthened by 32 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) 47/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 103/160 variables, 57/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 77/237 variables, 19/77 constraints. Problems are: Problem set: 0 solved, 10 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 27/104 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (OVERLAPS) 10/247 variables, 1/105 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/247 variables, 2/107 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (OVERLAPS) 36/283 variables, 27/134 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/283 variables, 5/139 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/283 variables, 0/139 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (OVERLAPS) 5/288 variables, 5/144 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 10 unsolved in 369 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 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) 47/57 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/57 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 3 (OVERLAPS) 103/160 variables, 57/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/160 variables, 0/58 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 5 (OVERLAPS) 77/237 variables, 19/77 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/237 variables, 27/104 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/237 variables, 10/114 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/237 variables, 0/114 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 9 (OVERLAPS) 10/247 variables, 1/115 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/247 variables, 2/117 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/247 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 12 (OVERLAPS) 36/283 variables, 27/144 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/283 variables, 5/149 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/283 variables, 0/149 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 15 (OVERLAPS) 5/288 variables, 5/154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/288 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
At refinement iteration 17 (OVERLAPS) 0/288 variables, 0/154 constraints. Problems are: Problem set: 0 solved, 10 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 154 constraints, problems are : Problem set: 0 solved, 10 unsolved in 433 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 10/10 constraints, Known Traps: 0/0 constraints]
After SMT, in 807ms problems are : Problem set: 0 solved, 10 unsolved
Fused 10 Parikh solutions to 3 different solutions.
Parikh walk visited 0 properties in 1 ms.
Support contains 10 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 8 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 110/110 places, 274/274 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Applied a total of 0 rules in 5 ms. Remains 110 /110 variables (removed 0) and now considering 274/274 (removed 0) transitions.
[2024-05-23 02:57:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:57:49] [INFO ] Invariant cache hit.
[2024-05-23 02:57:49] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 02:57:49] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:57:49] [INFO ] Invariant cache hit.
[2024-05-23 02:57:49] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:57:50] [INFO ] Implicit Places using invariants and state equation in 142 ms returned []
Implicit Place search using SMT with State Equation took 213 ms to find 0 implicit places.
[2024-05-23 02:57:50] [INFO ] Redundant transitions in 1 ms returned []
Running 272 sub problems to find dead transitions.
[2024-05-23 02:57:50] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:57:50] [INFO ] Invariant cache hit.
[2024-05-23 02:57:50] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 0/288 variables, 0/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Real declared 288/288 variables, and 144 constraints, problems are : Problem set: 0 solved, 272 unsolved in 7042 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 272 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/110 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/110 variables, 1/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/110 variables, 0/2 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 3 (OVERLAPS) 178/288 variables, 110/112 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/288 variables, 32/144 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/288 variables, 272/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
At refinement iteration 7 (OVERLAPS) 0/288 variables, 0/416 constraints. Problems are: Problem set: 0 solved, 272 unsolved
No progress, stopping.
After SMT solving in domain Int declared 288/288 variables, and 416 constraints, problems are : Problem set: 0 solved, 272 unsolved in 8023 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 110/110 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 272/272 constraints, Known Traps: 0/0 constraints]
After SMT, in 15289ms problems are : Problem set: 0 solved, 272 unsolved
Search for dead transitions found 0 dead transitions in 15292ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15519 ms. Remains : 110/110 places, 274/274 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 96 transitions
Reduce isomorphic transitions removed 96 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 102 rules applied. Total rules applied 102 place count 110 transition count 172
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 108 place count 104 transition count 172
Performed 21 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 21 Pre rules applied. Total rules applied 108 place count 104 transition count 151
Deduced a syphon composed of 21 places in 0 ms
Reduce places removed 21 places and 0 transitions.
Iterating global reduction 2 with 42 rules applied. Total rules applied 150 place count 83 transition count 151
Performed 18 Post agglomeration using F-continuation condition.Transition count delta: 18
Deduced a syphon composed of 18 places in 0 ms
Reduce places removed 18 places and 0 transitions.
Iterating global reduction 2 with 36 rules applied. Total rules applied 186 place count 65 transition count 133
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 192 place count 59 transition count 121
Iterating global reduction 2 with 6 rules applied. Total rules applied 198 place count 59 transition count 121
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 204 place count 53 transition count 109
Iterating global reduction 2 with 6 rules applied. Total rules applied 210 place count 53 transition count 109
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 216 place count 47 transition count 97
Iterating global reduction 2 with 6 rules applied. Total rules applied 222 place count 47 transition count 97
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 2 with 6 rules applied. Total rules applied 228 place count 47 transition count 91
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -12
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 234 place count 44 transition count 103
Drop transitions (Redundant composition of simpler transitions.) removed 6 transitions
Redundant transition composition rules discarded 6 transitions
Iterating global reduction 3 with 6 rules applied. Total rules applied 240 place count 44 transition count 97
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 241 place count 43 transition count 96
Iterating global reduction 3 with 1 rules applied. Total rules applied 242 place count 43 transition count 96
Ensure Unique test removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 3 with 6 rules applied. Total rules applied 248 place count 43 transition count 90
Partial Free-agglomeration rule applied 2 times.
Drop transitions (Partial Free agglomeration) removed 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 250 place count 43 transition count 90
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 4 with 2 rules applied. Total rules applied 252 place count 43 transition count 88
Applied a total of 252 rules in 33 ms. Remains 43 /110 variables (removed 67) and now considering 88/274 (removed 186) transitions.
Running SMT prover for 10 properties.
// Phase 1: matrix 88 rows 43 cols
[2024-05-23 02:58:05] [INFO ] Computed 2 invariants in 1 ms
[2024-05-23 02:58:05] [INFO ] [Real]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-23 02:58:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:05] [INFO ] After 40ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:9
[2024-05-23 02:58:05] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:58:05] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:10
[2024-05-23 02:58:05] [INFO ] After 86ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:10
[2024-05-23 02:58:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-23 02:58:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:05] [INFO ] After 42ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :10
[2024-05-23 02:58:05] [INFO ] After 26ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :10
TRAPS : Iteration 0
[2024-05-23 02:58:05] [INFO ] After 68ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :10
[2024-05-23 02:58:05] [INFO ] After 175ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :10
Over-approximation ignoring read arcs solved 0 properties in 303 ms.
FORMULA FunctionPointer-PT-b064-UpperBounds-12 64 TECHNIQUES REACHABILITY_MAX
Current structural bounds on expressions (After reachability solving 1 queries.) : Max Seen:[66, 221, 37, 58, 426, 66, 98, 237, 34, 16, 279] Max Struct:[+inf, +inf, +inf, 64, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-00
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:58:05] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 02:58:05] [INFO ] Computed 2 invariants in 3 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 (3 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 02:58:05] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:58:05] [INFO ] Invariant cache hit.
[2024-05-23 02:58:05] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:05] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:05] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:58:05] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:58:05] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:05] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:05] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:05] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:58:05] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:05] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 02:58:05] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 28 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:[6] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Drop transitions (Empty/Sink Transition effects.) removed 1 transitions
Reduce isomorphic transitions removed 1 transitions.
Iterating post reduction 0 with 1 rules applied. Total rules applied 1 place count 110 transition count 273
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 7 place count 104 transition count 259
Iterating global reduction 1 with 6 rules applied. Total rules applied 13 place count 104 transition count 259
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 17 place count 104 transition count 255
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 24 place count 97 transition count 239
Iterating global reduction 2 with 7 rules applied. Total rules applied 31 place count 97 transition count 239
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 35 place count 97 transition count 235
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 39 place count 93 transition count 225
Iterating global reduction 3 with 4 rules applied. Total rules applied 43 place count 93 transition count 225
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 47 place count 89 transition count 217
Iterating global reduction 3 with 4 rules applied. Total rules applied 51 place count 89 transition count 217
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 55 place count 85 transition count 209
Iterating global reduction 3 with 4 rules applied. Total rules applied 59 place count 85 transition count 209
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 63 place count 81 transition count 201
Iterating global reduction 3 with 4 rules applied. Total rules applied 67 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 69 place count 79 transition count 197
Iterating global reduction 3 with 2 rules applied. Total rules applied 71 place count 79 transition count 197
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 73 place count 77 transition count 193
Iterating global reduction 3 with 2 rules applied. Total rules applied 75 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 76 transition count 191
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 76 transition count 191
Applied a total of 77 rules in 26 ms. Remains 76 /110 variables (removed 34) and now considering 191/274 (removed 83) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 26 ms. Remains : 76/110 places, 191/274 transitions.
[2024-05-23 02:58:05] [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 47 ms. (steps per millisecond=212 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:58:06] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 02:58:06] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 709 ms. (1408 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 542 ms. (1841 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[87] Max Struct:[+inf]
[2024-05-23 02:58:07] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:07] [INFO ] Invariant cache hit.
[2024-05-23 02:58:07] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:07] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:58:07] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:07] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:07] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:58:07] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:07] [INFO ] Deduced a trap composed of 19 places in 38 ms of which 1 ms to minimize.
[2024-05-23 02:58:07] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2024-05-23 02:58:07] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-23 02:58:07] [INFO ] Added : 12 causal constraints over 5 iterations in 52 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[87] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[87] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 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 5 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:58:07] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:07] [INFO ] Invariant cache hit.
[2024-05-23 02:58:07] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 02:58:07] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:07] [INFO ] Invariant cache hit.
[2024-05-23 02:58:07] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:07] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2024-05-23 02:58:07] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:58:07] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:07] [INFO ] Invariant cache hit.
[2024-05-23 02:58:07] [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 2433 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 4569 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 7130ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7132ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7303 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:58:14] [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 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[16]
Current structural bounds on expressions (after cover walk) : Max Seen:[87] Max Struct:[+inf]
[2024-05-23 02:58:15] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:15] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[87] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 927 ms. (1077 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 574 ms. (1739 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[87] Max Struct:[+inf]
[2024-05-23 02:58:16] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:16] [INFO ] Invariant cache hit.
[2024-05-23 02:58:16] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:16] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:58:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:16] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:16] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:58:16] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:16] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:58:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2024-05-23 02:58:16] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-23 02:58:16] [INFO ] Added : 12 causal constraints over 5 iterations in 44 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[87] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[87] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:58:16] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:16] [INFO ] Invariant cache hit.
[2024-05-23 02:58:16] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 02:58:16] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:16] [INFO ] Invariant cache hit.
[2024-05-23 02:58:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:17] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2024-05-23 02:58:17] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:58:17] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:17] [INFO ] Invariant cache hit.
[2024-05-23 02:58:17] [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 2389 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 4516 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 7022ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7024ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7190 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:58:24] [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 57 ms. (steps per millisecond=175 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[87] Max Struct:[+inf]
RANDOM walk for 40005 steps (8 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1873763 steps, run timeout after 3001 ms. (steps per millisecond=624 ) properties seen :0 out of 1
Probabilistic random walk after 1873763 steps, saw 1166326 distinct states, run finished after 3001 ms. (steps per millisecond=624 ) properties seen :0
[2024-05-23 02:58:27] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:27] [INFO ] Invariant cache hit.
[2024-05-23 02:58:27] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 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 92 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 87 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 183ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 95 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 40002 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2010458 steps, run timeout after 3001 ms. (steps per millisecond=669 ) properties seen :0 out of 1
Probabilistic random walk after 2010458 steps, saw 1251408 distinct states, run finished after 3002 ms. (steps per millisecond=669 ) properties seen :0
[2024-05-23 02:58:30] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:30] [INFO ] Invariant cache hit.
[2024-05-23 02:58:30] [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 96 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 86 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 186ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 128 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 8 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:58:30] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:30] [INFO ] Invariant cache hit.
[2024-05-23 02:58:30] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 02:58:30] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:30] [INFO ] Invariant cache hit.
[2024-05-23 02:58:30] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:31] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-23 02:58:31] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:58:31] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:31] [INFO ] Invariant cache hit.
[2024-05-23 02:58:31] [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 2430 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 4633 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 7174ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7178ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7355 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 1 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
[2024-05-23 02:58:38] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:58:38] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:58:38] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 02:58:38] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:58:38] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:58:38] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:58:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:38] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:58:38] [INFO ] After 1ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 02:58:38] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:58:38] [INFO ] After 32ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 98 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[87] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-00 in 32651 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:58:38] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 02:58:38] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 18 ms. (526 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 02:58:38] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:58:38] [INFO ] Invariant cache hit.
[2024-05-23 02:58:38] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:38] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:38] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:58:38] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:58:38] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:38] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:38] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:38] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:58:38] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:38] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 12 ms.
[2024-05-23 02:58:38] [INFO ] Added : 25 causal constraints over 6 iterations in 78 ms. Result :sat
Minimization took 33 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 252
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 238
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 238
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 234
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 226
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 226
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 220
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 214
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 208
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 63 place count 82 transition count 204
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 67 place count 80 transition count 200
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 70 place count 79 transition count 198
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 79 transition count 198
Applied a total of 71 rules in 19 ms. Remains 79 /110 variables (removed 31) and now considering 198/274 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 19 ms. Remains : 79/110 places, 198/274 transitions.
[2024-05-23 02:58:38] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 02:58:38] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-23 02:58:38] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[7] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 923 ms. (1082 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 602 ms. (1658 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[747] Max Struct:[+inf]
[2024-05-23 02:58:40] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:40] [INFO ] Invariant cache hit.
[2024-05-23 02:58:40] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:40] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:58:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:40] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:40] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-23 02:58:40] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:58:40] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 6 ms.
[2024-05-23 02:58:40] [INFO ] Added : 15 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[747] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[747] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 5 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 5 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 02:58:40] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:40] [INFO ] Invariant cache hit.
[2024-05-23 02:58:40] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 02:58:40] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:40] [INFO ] Invariant cache hit.
[2024-05-23 02:58:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:40] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2024-05-23 02:58:40] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 02:58:40] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:40] [INFO ] Invariant cache hit.
[2024-05-23 02:58:40] [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 3536 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 4955 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 8591ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8593ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8776 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 02:58:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[747] Max Struct:[+inf]
[2024-05-23 02:58:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[747] 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 594 ms. (1680 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[747] Max Struct:[+inf]
[2024-05-23 02:58:50] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:50] [INFO ] Invariant cache hit.
[2024-05-23 02:58:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:50] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:58:50] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:50] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:58:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:50] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:58:50] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:58:50] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 6 ms.
[2024-05-23 02:58:50] [INFO ] Added : 15 causal constraints over 4 iterations in 41 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[747] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[747] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 6 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 02:58:50] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:50] [INFO ] Invariant cache hit.
[2024-05-23 02:58:51] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 02:58:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:51] [INFO ] Invariant cache hit.
[2024-05-23 02:58:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:51] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 171 ms to find 0 implicit places.
[2024-05-23 02:58:51] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 02:58:51] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:58:51] [INFO ] Invariant cache hit.
[2024-05-23 02:58:51] [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 3554 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 5056 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 8727ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8729ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8908 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 02:58:59] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[747] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 64 ms. (615 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1995857 steps, run timeout after 3001 ms. (steps per millisecond=665 ) properties seen :0 out of 1
Probabilistic random walk after 1995857 steps, saw 1254602 distinct states, run finished after 3003 ms. (steps per millisecond=664 ) properties seen :0
[2024-05-23 02:59:03] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:59:03] [INFO ] Invariant cache hit.
[2024-05-23 02:59:03] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 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 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
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 79 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 158ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 773 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40000 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1837383 steps, run timeout after 3001 ms. (steps per millisecond=612 ) properties seen :0 out of 1
Probabilistic random walk after 1837383 steps, saw 1145819 distinct states, run finished after 3006 ms. (steps per millisecond=611 ) properties seen :0
[2024-05-23 02:59:07] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:59:07] [INFO ] Invariant cache hit.
[2024-05-23 02:59:07] [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 73 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 81 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 162ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 906 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 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 02:59:08] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:59:08] [INFO ] Invariant cache hit.
[2024-05-23 02:59:08] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-23 02:59:08] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:59:08] [INFO ] Invariant cache hit.
[2024-05-23 02:59:08] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:59:08] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-23 02:59:08] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 02:59:08] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 02:59:08] [INFO ] Invariant cache hit.
[2024-05-23 02:59:08] [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 3499 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 4880 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 8506ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8508ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8700 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 14 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2024-05-23 02:59:16] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:59:16] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:16] [INFO ] After 33ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:59:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:59:16] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:59:16] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:59:16] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 02:59:16] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:59:16] [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 89 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[747] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-02 in 38566 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:59:16] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 02:59:16] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 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:[8] Max Struct:[+inf]
[2024-05-23 02:59:16] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 02:59:16] [INFO ] Invariant cache hit.
[2024-05-23 02:59:16] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:59:16] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:16] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:59:16] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:59:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:17] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:17] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:59:17] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:17] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:17] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 02:59:17] [INFO ] Added : 8 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 19 place count 102 transition count 254
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 25 place count 96 transition count 240
Iterating global reduction 2 with 6 rules applied. Total rules applied 31 place count 96 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 35 place count 96 transition count 236
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 39 place count 92 transition count 226
Iterating global reduction 3 with 4 rules applied. Total rules applied 43 place count 92 transition count 226
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 47 place count 88 transition count 218
Iterating global reduction 3 with 4 rules applied. Total rules applied 51 place count 88 transition count 218
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 55 place count 84 transition count 210
Iterating global reduction 3 with 4 rules applied. Total rules applied 59 place count 84 transition count 210
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 63 place count 80 transition count 202
Iterating global reduction 3 with 4 rules applied. Total rules applied 67 place count 80 transition count 202
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 69 place count 78 transition count 198
Iterating global reduction 3 with 2 rules applied. Total rules applied 71 place count 78 transition count 198
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 73 place count 76 transition count 194
Iterating global reduction 3 with 2 rules applied. Total rules applied 75 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 75 transition count 192
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 75 transition count 192
Applied a total of 77 rules in 34 ms. Remains 75 /110 variables (removed 35) and now considering 192/274 (removed 82) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 34 ms. Remains : 75/110 places, 192/274 transitions.
[2024-05-23 02:59:17] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 02:59:17] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-23 02:59:17] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 899 ms. (1111 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 589 ms. (1694 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1010] Max Struct:[+inf]
[2024-05-23 02:59:18] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:18] [INFO ] Invariant cache hit.
[2024-05-23 02:59:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:18] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:59:18] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:18] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:18] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:59:18] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:18] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 02:59:18] [INFO ] Added : 7 causal constraints over 4 iterations in 36 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1010] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1010] 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 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.
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.
[2024-05-23 02:59:19] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:19] [INFO ] Invariant cache hit.
[2024-05-23 02:59:19] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 02:59:19] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:19] [INFO ] Invariant cache hit.
[2024-05-23 02:59:19] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:20] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-23 02:59:20] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:59:20] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:20] [INFO ] Invariant cache hit.
[2024-05-23 02:59:20] [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 2550 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 4505 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 7176ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7179ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7351 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 02:59:27] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[1010] Max Struct:[+inf]
[2024-05-23 02:59:27] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1010] 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 574 ms. (1739 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1026] Max Struct:[+inf]
[2024-05-23 02:59:28] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:28] [INFO ] Invariant cache hit.
[2024-05-23 02:59:28] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:28] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:59:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:28] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:28] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:59:28] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:28] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 02:59:28] [INFO ] Added : 7 causal constraints over 4 iterations in 36 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1026] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1026] 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.
[2024-05-23 02:59:29] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:29] [INFO ] Invariant cache hit.
[2024-05-23 02:59:30] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 02:59:30] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:30] [INFO ] Invariant cache hit.
[2024-05-23 02:59:30] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:30] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
[2024-05-23 02:59:30] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:59:30] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:30] [INFO ] Invariant cache hit.
[2024-05-23 02:59:30] [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 2576 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 4551 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 7232ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7235ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7402 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 02:59:37] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[1026] Max Struct:[+inf]
[2024-05-23 02:59:37] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1026] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 946 ms. (1055 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 577 ms. (1730 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1050] Max Struct:[+inf]
[2024-05-23 02:59:38] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:38] [INFO ] Invariant cache hit.
[2024-05-23 02:59:39] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:39] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:59:39] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:39] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:39] [INFO ] [Nat]Absence check using state equation in 18 ms returned sat
[2024-05-23 02:59:39] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:39] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:59:39] [INFO ] Added : 7 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1050] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1050] 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 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.
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.
[2024-05-23 02:59:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:40] [INFO ] Invariant cache hit.
[2024-05-23 02:59:40] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 02:59:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:40] [INFO ] Invariant cache hit.
[2024-05-23 02:59:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:40] [INFO ] Implicit Places using invariants and state equation in 97 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
[2024-05-23 02:59:40] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:59:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:40] [INFO ] Invariant cache hit.
[2024-05-23 02:59:40] [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 2506 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 4374 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 6988ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6992ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7152 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 02:59:47] [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 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[1050] Max Struct:[+inf]
[2024-05-23 02:59:47] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1050] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 917 ms. (1089 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 600 ms. (1663 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1050] Max Struct:[+inf]
[2024-05-23 02:59:48] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:48] [INFO ] Invariant cache hit.
[2024-05-23 02:59:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:48] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:59:48] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:49] [INFO ] [Real]Added 17 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:59:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:49] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:59:49] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:49] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:59:49] [INFO ] Added : 7 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1050] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1050] 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 6 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 6 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.
[2024-05-23 02:59:50] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:50] [INFO ] Invariant cache hit.
[2024-05-23 02:59:50] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 02:59:50] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:50] [INFO ] Invariant cache hit.
[2024-05-23 02:59:50] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:50] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2024-05-23 02:59:50] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 02:59:50] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 02:59:50] [INFO ] Invariant cache hit.
[2024-05-23 02:59:50] [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
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 2619 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 4699 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 7431ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7433ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7598 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 02:59:57] [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 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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1050] Max Struct:[+inf]
RANDOM walk for 40003 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1901514 steps, run timeout after 3001 ms. (steps per millisecond=633 ) properties seen :0 out of 1
Probabilistic random walk after 1901514 steps, saw 1199172 distinct states, run finished after 3001 ms. (steps per millisecond=633 ) properties seen :0
[2024-05-23 03:00:00] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:00:00] [INFO ] Invariant cache hit.
[2024-05-23 03:00:00] [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 130 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 228ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 607 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 7 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 7 ms. Remains : 75/75 places, 192/192 transitions.
RANDOM walk for 40000 steps (8 resets) in 76 ms. (519 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 1888005 steps, run timeout after 3001 ms. (steps per millisecond=629 ) properties seen :0 out of 1
Probabilistic random walk after 1888005 steps, saw 1189899 distinct states, run finished after 3002 ms. (steps per millisecond=628 ) properties seen :0
[2024-05-23 03:00:04] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:00:04] [INFO ] Invariant cache hit.
[2024-05-23 03:00:04] [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 79 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 83 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 167ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 616 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 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:00:05] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:00:05] [INFO ] Invariant cache hit.
[2024-05-23 03:00:05] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 03:00:05] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:00:05] [INFO ] Invariant cache hit.
[2024-05-23 03:00:05] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:05] [INFO ] Implicit Places using invariants and state equation in 87 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
[2024-05-23 03:00:05] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:00:05] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:00:05] [INFO ] Invariant cache hit.
[2024-05-23 03:00:05] [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 2562 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 4459 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 7136ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7138ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7297 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 8 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
[2024-05-23 03:00:12] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:00:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:12] [INFO ] After 14ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 03:00:12] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:00:12] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:00:12] [INFO ] After 53ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:00:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:00:12] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:00:12] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:00:12] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:00:12] [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 113 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1050] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-03 in 56059 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[64]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[64]
[2024-05-23 03:00:12] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:00:12] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[64]
RANDOM walk for 10000 steps (2 resets) in 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:[3] Max Struct:[64]
[2024-05-23 03:00:12] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:00:12] [INFO ] Invariant cache hit.
[2024-05-23 03:00:12] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:12] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:00:13] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 03:00:13] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:00:13] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:13] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:13] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:00:13] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 03:00:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:00:13] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 03:00:13] [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:[3] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3] Max Struct:[64]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 101 transition count 254
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 101 transition count 254
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 101 transition count 250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 30 place count 94 transition count 234
Iterating global reduction 2 with 7 rules applied. Total rules applied 37 place count 94 transition count 234
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 41 place count 94 transition count 230
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 45 place count 90 transition count 220
Iterating global reduction 3 with 4 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 53 place count 86 transition count 212
Iterating global reduction 3 with 4 rules applied. Total rules applied 57 place count 86 transition count 212
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 61 place count 82 transition count 204
Iterating global reduction 3 with 4 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 69 place count 78 transition count 196
Iterating global reduction 3 with 4 rules applied. Total rules applied 73 place count 78 transition count 196
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 75 place count 76 transition count 192
Iterating global reduction 3 with 2 rules applied. Total rules applied 77 place count 76 transition count 192
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 79 place count 74 transition count 188
Iterating global reduction 3 with 2 rules applied. Total rules applied 81 place count 74 transition count 188
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 82 place count 73 transition count 186
Iterating global reduction 3 with 1 rules applied. Total rules applied 83 place count 73 transition count 186
Applied a total of 83 rules in 28 ms. Remains 73 /110 variables (removed 37) and now considering 186/274 (removed 88) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 28 ms. Remains : 73/110 places, 186/274 transitions.
[2024-05-23 03:00:13] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
// Phase 1: matrix 112 rows 73 cols
[2024-05-23 03:00:13] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[64]
RANDOM walk for 1000000 steps (2 resets) in 1168 ms. (855 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 549 ms. (1818 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10] Max Struct:[64]
[2024-05-23 03:00:14] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-23 03:00:14] [INFO ] Invariant cache hit.
[2024-05-23 03:00:14] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 03:00:14] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:00:14] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-23 03:00:14] [INFO ] [Real]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:15] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:00:15] [INFO ] [Nat]Added 15 Read/Feed constraints in 9 ms returned sat
[2024-05-23 03:00:15] [INFO ] Deduced a trap composed of 21 places in 73 ms of which 5 ms to minimize.
[2024-05-23 03:00:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2024-05-23 03:00:15] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 59 transitions) in 7 ms.
[2024-05-23 03:00:15] [INFO ] Added : 2 causal constraints over 1 iterations in 19 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10] Max Struct:[64]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[64] Max Struct:[64]
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2024-05-23 03:00:15] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-23 03:00:15] [INFO ] Invariant cache hit.
[2024-05-23 03:00:15] [INFO ] Implicit Places using invariants in 78 ms returned []
[2024-05-23 03:00:15] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-23 03:00:15] [INFO ] Invariant cache hit.
[2024-05-23 03:00:15] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-23 03:00:15] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2024-05-23 03:00:15] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2024-05-23 03:00:15] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-23 03:00:15] [INFO ] Invariant cache hit.
[2024-05-23 03:00:15] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 3187 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 275 constraints, problems are : Problem set: 0 solved, 184 unsolved in 4386 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
After SMT, in 7676ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 7678ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7856 ms. Remains : 73/73 places, 186/186 transitions.
[2024-05-23 03:00:23] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-23 03:00:23] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[64] Max Struct:[64]
FORMULA FunctionPointer-PT-b064-UpperBounds-04 64 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000002 steps (2 resets) in 899 ms. (1111 steps per ms)
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-04 in 11107 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:00:24] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:00:24] [INFO ] Computed 2 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (3 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 03:00:24] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:00:24] [INFO ] Invariant cache hit.
[2024-05-23 03:00:24] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:24] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:00:24] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 03:00:24] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:00:24] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:24] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:24] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:00:24] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 03:00:24] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:24] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 03:00:24] [INFO ] Added : 4 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 101 transition count 254
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 101 transition count 254
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 101 transition count 250
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 30 place count 94 transition count 234
Iterating global reduction 2 with 7 rules applied. Total rules applied 37 place count 94 transition count 234
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 41 place count 94 transition count 230
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 45 place count 90 transition count 220
Iterating global reduction 3 with 4 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 53 place count 86 transition count 212
Iterating global reduction 3 with 4 rules applied. Total rules applied 57 place count 86 transition count 212
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 61 place count 82 transition count 204
Iterating global reduction 3 with 4 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 68 place count 79 transition count 198
Iterating global reduction 3 with 3 rules applied. Total rules applied 71 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 72 place count 78 transition count 196
Iterating global reduction 3 with 1 rules applied. Total rules applied 73 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 74 place count 77 transition count 194
Iterating global reduction 3 with 1 rules applied. Total rules applied 75 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 76 place count 76 transition count 192
Iterating global reduction 3 with 1 rules applied. Total rules applied 77 place count 76 transition count 192
Applied a total of 77 rules in 11 ms. Remains 76 /110 variables (removed 34) and now considering 192/274 (removed 82) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 76/110 places, 192/274 transitions.
[2024-05-23 03:00:24] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 03:00:24] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-23 03:00:24] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 903 ms. (1106 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 634 ms. (1574 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[859] Max Struct:[+inf]
[2024-05-23 03:00:25] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:25] [INFO ] Invariant cache hit.
[2024-05-23 03:00:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:25] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-05-23 03:00:25] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:25] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:26] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:00:26] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:26] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 6 ms.
[2024-05-23 03:00:26] [INFO ] Added : 8 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[859] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[859] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:00:27] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:27] [INFO ] Invariant cache hit.
[2024-05-23 03:00:27] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 03:00:27] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:27] [INFO ] Invariant cache hit.
[2024-05-23 03:00:27] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:27] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
[2024-05-23 03:00:27] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:00:27] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:27] [INFO ] Invariant cache hit.
[2024-05-23 03:00:27] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2861 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 5307 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8282ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8284ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8452 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 03:00:35] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[859] Max Struct:[+inf]
[2024-05-23 03:00:35] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:35] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[859] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 979 ms. (1020 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 635 ms. (1572 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[898] Max Struct:[+inf]
[2024-05-23 03:00:37] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:37] [INFO ] Invariant cache hit.
[2024-05-23 03:00:37] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:37] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:00:37] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:37] [INFO ] [Real]Added 17 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:37] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:00:37] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:37] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 7 ms.
[2024-05-23 03:00:37] [INFO ] Added : 8 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[898] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[898] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:00:38] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:38] [INFO ] Invariant cache hit.
[2024-05-23 03:00:38] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 03:00:38] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:38] [INFO ] Invariant cache hit.
[2024-05-23 03:00:38] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:38] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2024-05-23 03:00:38] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:00:38] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:38] [INFO ] Invariant cache hit.
[2024-05-23 03:00:38] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2888 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 5262 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8262ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8264ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8450 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 03:00:47] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[898] Max Struct:[+inf]
[2024-05-23 03:00:47] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:47] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[898] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 933 ms. (1070 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 595 ms. (1677 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[898] Max Struct:[+inf]
[2024-05-23 03:00:48] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:48] [INFO ] Invariant cache hit.
[2024-05-23 03:00:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:00:48] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:48] [INFO ] [Real]Added 17 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:48] [INFO ] Computed and/alt/rep : 57/184/51 causal constraints (skipped 65 transitions) in 7 ms.
[2024-05-23 03:00:48] [INFO ] Added : 8 causal constraints over 4 iterations in 37 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[898] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[898] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:00:50] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:50] [INFO ] Invariant cache hit.
[2024-05-23 03:00:50] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 03:00:50] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:50] [INFO ] Invariant cache hit.
[2024-05-23 03:00:50] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:50] [INFO ] Implicit Places using invariants and state equation in 89 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2024-05-23 03:00:50] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:00:50] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:00:50] [INFO ] Invariant cache hit.
[2024-05-23 03:00:50] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2770 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 5099 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7971ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7973ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8125 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 03:00:58] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {26=1, 54=1, 84=1, 114=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 55=1, 101=1, 116=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[898] Max Struct:[+inf]
RANDOM walk for 40006 steps (8 resets) in 62 ms. (635 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2088525 steps, run timeout after 3001 ms. (steps per millisecond=695 ) properties seen :0 out of 1
Probabilistic random walk after 2088525 steps, saw 1322619 distinct states, run finished after 3001 ms. (steps per millisecond=695 ) properties seen :0
[2024-05-23 03:01:01] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:01] [INFO ] Invariant cache hit.
[2024-05-23 03:01:01] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/76 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/170 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 97 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/76 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 94/170 variables, 52/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 175ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 634 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
RANDOM walk for 40002 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1857386 steps, run timeout after 3001 ms. (steps per millisecond=618 ) properties seen :0 out of 1
Probabilistic random walk after 1857386 steps, saw 1178860 distinct states, run finished after 3001 ms. (steps per millisecond=618 ) properties seen :0
[2024-05-23 03:01:05] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:05] [INFO ] Invariant cache hit.
[2024-05-23 03:01:05] [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) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 5/76 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/170 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/170 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 67/71 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/71 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/71 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/71 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 5/76 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 94/170 variables, 52/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/170 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/170 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 172ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 644 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:01:06] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:06] [INFO ] Invariant cache hit.
[2024-05-23 03:01:06] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-23 03:01:06] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:06] [INFO ] Invariant cache hit.
[2024-05-23 03:01:06] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:01:06] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2024-05-23 03:01:06] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:01:06] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:06] [INFO ] Invariant cache hit.
[2024-05-23 03:01:06] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2894 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 17/96 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 190/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 286 constraints, problems are : Problem set: 0 solved, 190 unsolved in 5071 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 8076ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8078ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8254 ms. Remains : 76/76 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 76 transition count 111
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 88 place count 69 transition count 111
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 88 place count 69 transition count 98
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 114 place count 56 transition count 98
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 144 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 151 place count 34 transition count 69
Iterating global reduction 2 with 7 rules applied. Total rules applied 158 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 165 place count 27 transition count 55
Iterating global reduction 2 with 7 rules applied. Total rules applied 172 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 179 place count 20 transition count 41
Iterating global reduction 2 with 7 rules applied. Total rules applied 186 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 193 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 193 place count 20 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 195 place count 19 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 197 place count 18 transition count 33
Applied a total of 197 rules in 10 ms. Remains 18 /76 variables (removed 58) and now considering 33/192 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 18 cols
[2024-05-23 03:01:14] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:01:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:14] [INFO ] After 31ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:01:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:01:14] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:01:14] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:01:14] [INFO ] After 1ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:01:14] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:01:14] [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 74 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[898] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-05 in 50350 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-07
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:01:14] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:01:14] [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 (3 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 03:01:14] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:01:14] [INFO ] Invariant cache hit.
[2024-05-23 03:01:14] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:14] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:01:14] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 03:01:14] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:01:14] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:01:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:14] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:14] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:01:14] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 03:01:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:01:14] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 03:01:14] [INFO ] Added : 2 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 31 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:[63] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Discarding 6 places :
Symmetric choice reduction at 0 with 6 rule applications. Total rules 6 place count 104 transition count 260
Iterating global reduction 0 with 6 rules applied. Total rules applied 12 place count 104 transition count 260
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 0 with 4 rules applied. Total rules applied 16 place count 104 transition count 256
Discarding 7 places :
Symmetric choice reduction at 1 with 7 rule applications. Total rules 23 place count 97 transition count 240
Iterating global reduction 1 with 7 rules applied. Total rules applied 30 place count 97 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 34 place count 97 transition count 236
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 38 place count 93 transition count 226
Iterating global reduction 2 with 4 rules applied. Total rules applied 42 place count 93 transition count 226
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 46 place count 89 transition count 218
Iterating global reduction 2 with 4 rules applied. Total rules applied 50 place count 89 transition count 218
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 54 place count 85 transition count 210
Iterating global reduction 2 with 4 rules applied. Total rules applied 58 place count 85 transition count 210
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 62 place count 81 transition count 202
Iterating global reduction 2 with 4 rules applied. Total rules applied 66 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 68 place count 79 transition count 198
Iterating global reduction 2 with 2 rules applied. Total rules applied 70 place count 79 transition count 198
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 72 place count 77 transition count 194
Iterating global reduction 2 with 2 rules applied. Total rules applied 74 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 75 place count 76 transition count 192
Iterating global reduction 2 with 1 rules applied. Total rules applied 76 place count 76 transition count 192
Applied a total of 76 rules in 12 ms. Remains 76 /110 variables (removed 34) and now considering 192/274 (removed 82) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 76/110 places, 192/274 transitions.
[2024-05-23 03:01:14] [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 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[1]
Current structural bounds on expressions (after cover walk) : Max Seen:[63] Max Struct:[+inf]
[2024-05-23 03:01:14] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-23 03:01:14] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[63] Max Struct:[+inf]
RANDOM walk for 1000005 steps (2 resets) in 958 ms. (1042 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 552 ms. (1808 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[63] Max Struct:[+inf]
[2024-05-23 03:01:16] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:16] [INFO ] Invariant cache hit.
[2024-05-23 03:01:16] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:16] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:01:16] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:01:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:01:16] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:01:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:16] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:16] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:01:16] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:01:16] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:01:16] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 03:01:16] [INFO ] Added : 6 causal constraints over 3 iterations in 30 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[63] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[65] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:01:16] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:16] [INFO ] Invariant cache hit.
[2024-05-23 03:01:16] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 03:01:16] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:16] [INFO ] Invariant cache hit.
[2024-05-23 03:01:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:01:16] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2024-05-23 03:01:16] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:01:16] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:16] [INFO ] Invariant cache hit.
[2024-05-23 03:01:16] [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 3635 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 4791 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 8523ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8525ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8693 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 03:01:25] [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 15 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[65] Max Struct:[+inf]
[2024-05-23 03:01:25] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:25] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[65] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 897 ms. (1113 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 541 ms. (1845 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[65] Max Struct:[+inf]
[2024-05-23 03:01:26] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:26] [INFO ] Invariant cache hit.
[2024-05-23 03:01:26] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:26] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:01:26] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:01:26] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:01:26] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:01:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:26] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:26] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:01:26] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-23 03:01:26] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:01:26] [INFO ] Computed and/alt/rep : 62/198/53 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 03:01:26] [INFO ] Added : 6 causal constraints over 3 iterations in 31 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[65] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[65] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:01:26] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:26] [INFO ] Invariant cache hit.
[2024-05-23 03:01:27] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 03:01:27] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:27] [INFO ] Invariant cache hit.
[2024-05-23 03:01:27] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:01:27] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
[2024-05-23 03:01:27] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:01:27] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:27] [INFO ] Invariant cache hit.
[2024-05-23 03:01:27] [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 3738 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 4704 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 8548ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8551ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8713 ms. Remains : 76/76 places, 192/192 transitions.
[2024-05-23 03:01:35] [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 8 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[65] Max Struct:[+inf]
RANDOM walk for 40001 steps (9 resets) in 49 ms. (800 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 2060971 steps, run timeout after 3001 ms. (steps per millisecond=686 ) properties seen :0 out of 1
Probabilistic random walk after 2060971 steps, saw 1282851 distinct states, run finished after 3002 ms. (steps per millisecond=686 ) properties seen :0
[2024-05-23 03:01:38] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:38] [INFO ] Invariant cache hit.
[2024-05-23 03:01:38] [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) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/175 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/176 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/175 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 86 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 192ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 76 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
RANDOM walk for 40004 steps (10 resets) in 56 ms. (701 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 1925545 steps, run timeout after 3001 ms. (steps per millisecond=641 ) properties seen :0 out of 1
Probabilistic random walk after 1925545 steps, saw 1198558 distinct states, run finished after 3002 ms. (steps per millisecond=641 ) properties seen :0
[2024-05-23 03:01:42] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:42] [INFO ] Invariant cache hit.
[2024-05-23 03:01:42] [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) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 6/175 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/175 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 1/176 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 11/187 variables, 10/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/187 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/191 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/191 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/194 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/194 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 41/45 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/45 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 124/169 variables, 57/61 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/169 variables, 18/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/169 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/169 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 6/175 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/175 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 1/176 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/176 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/176 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/187 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/187 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/191 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/191 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/194 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 1/1 constraints, Generalized P Invariants (flows): 1/1 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 185ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 76 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:01:42] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:42] [INFO ] Invariant cache hit.
[2024-05-23 03:01:42] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 03:01:42] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:42] [INFO ] Invariant cache hit.
[2024-05-23 03:01:42] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:01:42] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-23 03:01:42] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:01:42] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
[2024-05-23 03:01:42] [INFO ] Invariant cache hit.
[2024-05-23 03:01:42] [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 3730 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 4744 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 8575ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 8577ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8748 ms. Remains : 76/76 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 76 transition count 111
Reduce places removed 7 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 8 rules applied. Total rules applied 89 place count 69 transition count 110
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 90 place count 68 transition count 110
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 12 Pre rules applied. Total rules applied 90 place count 68 transition count 98
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 3 with 24 rules applied. Total rules applied 114 place count 56 transition count 98
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 3 with 30 rules applied. Total rules applied 144 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 151 place count 34 transition count 69
Iterating global reduction 3 with 7 rules applied. Total rules applied 158 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 165 place count 27 transition count 55
Iterating global reduction 3 with 7 rules applied. Total rules applied 172 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 179 place count 20 transition count 41
Iterating global reduction 3 with 7 rules applied. Total rules applied 186 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 193 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 193 place count 20 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 195 place count 19 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 4 with 2 rules applied. Total rules applied 197 place count 18 transition count 33
Applied a total of 197 rules in 14 ms. Remains 18 /76 variables (removed 58) and now considering 33/192 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 33 rows 18 cols
[2024-05-23 03:01:51] [INFO ] Computed 2 invariants in 1 ms
[2024-05-23 03:01:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:01:51] [INFO ] After 26ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:01:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 0 ms returned sat
[2024-05-23 03:01:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:01:51] [INFO ] After 6ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:01:51] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:01:51] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:01:51] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:01:51] [INFO ] After 37ms 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:[65] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-07 in 36841 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-08
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:01:51] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:01:51] [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 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:01:51] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:01:51] [INFO ] Invariant cache hit.
[2024-05-23 03:01:51] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:51] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:01:51] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:01:51] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:01:51] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:01:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:51] [INFO ] [Nat]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 03:01:51] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:01:51] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:01:51] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:01:51] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 9 ms.
[2024-05-23 03:01:51] [INFO ] Added : 15 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 13 place count 101 transition count 254
Iterating global reduction 1 with 6 rules applied. Total rules applied 19 place count 101 transition count 254
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 23 place count 101 transition count 250
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 29 place count 95 transition count 236
Iterating global reduction 2 with 6 rules applied. Total rules applied 35 place count 95 transition count 236
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 39 place count 95 transition count 232
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 42 place count 92 transition count 226
Iterating global reduction 3 with 3 rules applied. Total rules applied 45 place count 92 transition count 226
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 48 place count 89 transition count 220
Iterating global reduction 3 with 3 rules applied. Total rules applied 51 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 54 place count 86 transition count 214
Iterating global reduction 3 with 3 rules applied. Total rules applied 57 place count 86 transition count 214
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 60 place count 83 transition count 208
Iterating global reduction 3 with 3 rules applied. Total rules applied 63 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 206
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 81 transition count 204
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 81 transition count 204
Applied a total of 67 rules in 13 ms. Remains 81 /110 variables (removed 29) and now considering 204/274 (removed 70) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 81/110 places, 204/274 transitions.
[2024-05-23 03:01:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 03:01:51] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-23 03:01:51] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 928 ms. (1076 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 628 ms. (1589 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[633] Max Struct:[+inf]
[2024-05-23 03:01:53] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:01:53] [INFO ] Invariant cache hit.
[2024-05-23 03:01:53] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:01:53] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:01:53] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:01:53] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:01:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:53] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:53] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:01:53] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:01:53] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-23 03:01:53] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-23 03:01:53] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 7 ms.
[2024-05-23 03:01:53] [INFO ] Added : 16 causal constraints over 4 iterations in 41 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[633] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[633] 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.
[2024-05-23 03:01:54] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:01:54] [INFO ] Invariant cache hit.
[2024-05-23 03:01:54] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 03:01:54] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:01:54] [INFO ] Invariant cache hit.
[2024-05-23 03:01:54] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:01:55] [INFO ] Implicit Places using invariants and state equation in 100 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-23 03:01:55] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 03:01:55] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:01:55] [INFO ] Invariant cache hit.
[2024-05-23 03:01:55] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 2786 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 5127 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 8021ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8023ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8201 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 03:02:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[633] Max Struct:[+inf]
[2024-05-23 03:02:03] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[633] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 921 ms. (1084 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 627 ms. (1592 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[633] Max Struct:[+inf]
[2024-05-23 03:02:04] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:04] [INFO ] Invariant cache hit.
[2024-05-23 03:02:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:04] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:02:04] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:04] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:04] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:02:04] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:04] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 2 ms to minimize.
[2024-05-23 03:02:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2024-05-23 03:02:04] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 9 ms.
[2024-05-23 03:02:04] [INFO ] Added : 16 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[633] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[633] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 03:02:06] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:06] [INFO ] Invariant cache hit.
[2024-05-23 03:02:06] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 03:02:06] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:06] [INFO ] Invariant cache hit.
[2024-05-23 03:02:06] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:06] [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.
[2024-05-23 03:02:06] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 03:02:06] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:06] [INFO ] Invariant cache hit.
[2024-05-23 03:02:06] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 2763 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 5154 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 8034ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8037ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8214 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 03:02:14] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[633] Max Struct:[+inf]
RANDOM walk for 40001 steps (8 resets) in 85 ms. (465 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 2008925 steps, run timeout after 3001 ms. (steps per millisecond=669 ) properties seen :0 out of 1
Probabilistic random walk after 2008925 steps, saw 1278320 distinct states, run finished after 3001 ms. (steps per millisecond=669 ) properties seen :0
[2024-05-23 03:02:17] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:17] [INFO ] Invariant cache hit.
[2024-05-23 03:02:17] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 81 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 172ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 814 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40000 steps (8 resets) in 72 ms. (547 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2051609 steps, run timeout after 3001 ms. (steps per millisecond=683 ) properties seen :0 out of 1
Probabilistic random walk after 2051609 steps, saw 1307619 distinct states, run finished after 3001 ms. (steps per millisecond=683 ) properties seen :0
[2024-05-23 03:02:21] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:21] [INFO ] Invariant cache hit.
[2024-05-23 03:02:21] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 71 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 169ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 850 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 3 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 03:02:22] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:22] [INFO ] Invariant cache hit.
[2024-05-23 03:02:22] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 03:02:22] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:22] [INFO ] Invariant cache hit.
[2024-05-23 03:02:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:22] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
[2024-05-23 03:02:22] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 03:02:22] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:22] [INFO ] Invariant cache hit.
[2024-05-23 03:02:22] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 2821 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 5167 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 8092ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 8094ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8267 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 9 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-23 03:02:31] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:02:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:31] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 03:02:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:02:31] [INFO ] After 1ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:02:31] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:02:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:31] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:02:31] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:02:31] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:02:31] [INFO ] After 37ms 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:[633] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-08 in 39865 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:02:31] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:02:31] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 14 ms. (667 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:[13] Max Struct:[+inf]
[2024-05-23 03:02:31] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:02:31] [INFO ] Invariant cache hit.
[2024-05-23 03:02:31] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:31] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:02:31] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:02:31] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:02:31] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:02:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:31] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:31] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:02:31] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:02:31] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:02:31] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 03:02:31] [INFO ] Added : 17 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[13] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[13] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 252
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 240
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 236
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 228
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 228
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 222
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 222
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 216
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 216
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 210
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 62 place count 83 transition count 208
Iterating global reduction 3 with 1 rules applied. Total rules applied 63 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 206
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 206
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 66 place count 81 transition count 204
Iterating global reduction 3 with 1 rules applied. Total rules applied 67 place count 81 transition count 204
Applied a total of 67 rules in 11 ms. Remains 81 /110 variables (removed 29) and now considering 204/274 (removed 70) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 81/110 places, 204/274 transitions.
[2024-05-23 03:02:31] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[13] Max Struct:[+inf]
[2024-05-23 03:02:31] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
// Phase 1: matrix 125 rows 81 cols
[2024-05-23 03:02:31] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[13] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 894 ms. (1117 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 639 ms. (1562 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[650] Max Struct:[+inf]
[2024-05-23 03:02:33] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:33] [INFO ] Invariant cache hit.
[2024-05-23 03:02:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:02:33] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:02:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:33] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:33] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:02:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:33] [INFO ] Deduced a trap composed of 17 places in 39 ms of which 1 ms to minimize.
[2024-05-23 03:02:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2024-05-23 03:02:33] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 6 ms.
[2024-05-23 03:02:33] [INFO ] Added : 16 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[650] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[650] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 03:02:34] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:34] [INFO ] Invariant cache hit.
[2024-05-23 03:02:34] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 03:02:34] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:34] [INFO ] Invariant cache hit.
[2024-05-23 03:02:34] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:34] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2024-05-23 03:02:34] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 03:02:34] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:34] [INFO ] Invariant cache hit.
[2024-05-23 03:02:34] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 2793 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 5026 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 7926ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7929ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8094 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 03:02:42] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[650] Max Struct:[+inf]
[2024-05-23 03:02:42] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:42] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[650] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 912 ms. (1095 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 620 ms. (1610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[650] Max Struct:[+inf]
[2024-05-23 03:02:44] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:44] [INFO ] Invariant cache hit.
[2024-05-23 03:02:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:02:44] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:02:44] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:44] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:02:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:44] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:02:44] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:44] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-23 03:02:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2024-05-23 03:02:44] [INFO ] Computed and/alt/rep : 59/193/53 causal constraints (skipped 70 transitions) in 6 ms.
[2024-05-23 03:02:44] [INFO ] Added : 16 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[650] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[650] Max Struct:[+inf]
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 03:02:46] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:46] [INFO ] Invariant cache hit.
[2024-05-23 03:02:46] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 03:02:46] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:46] [INFO ] Invariant cache hit.
[2024-05-23 03:02:46] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:46] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-23 03:02:46] [INFO ] Redundant transitions in 1 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 03:02:46] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:46] [INFO ] Invariant cache hit.
[2024-05-23 03:02:46] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 2767 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 5060 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 7930ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7933ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8107 ms. Remains : 81/81 places, 204/204 transitions.
[2024-05-23 03:02:54] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 63=1, 109=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[650] Max Struct:[+inf]
RANDOM walk for 40006 steps (8 resets) in 62 ms. (635 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2033165 steps, run timeout after 3001 ms. (steps per millisecond=677 ) properties seen :0 out of 1
Probabilistic random walk after 2033165 steps, saw 1294958 distinct states, run finished after 3001 ms. (steps per millisecond=677 ) properties seen :0
[2024-05-23 03:02:57] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:02:57] [INFO ] Invariant cache hit.
[2024-05-23 03:02:57] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 98 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 175ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 869 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 81/81 places, 204/204 transitions.
RANDOM walk for 40000 steps (8 resets) in 58 ms. (677 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2016104 steps, run timeout after 3001 ms. (steps per millisecond=671 ) properties seen :0 out of 1
Probabilistic random walk after 2016104 steps, saw 1283247 distinct states, run finished after 3001 ms. (steps per millisecond=671 ) properties seen :0
[2024-05-23 03:03:01] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:03:01] [INFO ] Invariant cache hit.
[2024-05-23 03:03:01] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/92 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/92 variables, 4/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 97/189 variables, 57/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/189 variables, 18/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/205 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/206 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 71/82 variables, 6/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/82 variables, 1/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 10/92 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/92 variables, 4/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/92 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 97/189 variables, 57/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 18/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 10/205 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/205 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/206 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/206 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 206/206 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 81/81 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 186ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 863 ms.
Support contains 1 out of 81 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 81/81 places, 204/204 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 81/81 places, 204/204 transitions.
Applied a total of 0 rules in 2 ms. Remains 81 /81 variables (removed 0) and now considering 204/204 (removed 0) transitions.
[2024-05-23 03:03:02] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:03:02] [INFO ] Invariant cache hit.
[2024-05-23 03:03:02] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 03:03:02] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:03:02] [INFO ] Invariant cache hit.
[2024-05-23 03:03:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:02] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-23 03:03:02] [INFO ] Redundant transitions in 0 ms returned []
Running 202 sub problems to find dead transitions.
[2024-05-23 03:03:02] [INFO ] Flow matrix only has 125 transitions (discarded 79 similar events)
[2024-05-23 03:03:02] [INFO ] Invariant cache hit.
[2024-05-23 03:03:02] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/81 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/81 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 2 (OVERLAPS) 125/206 variables, 81/84 constraints. Problems are: Problem set: 0 solved, 202 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/206 variables, 18/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
At refinement iteration 5 (OVERLAPS) 0/206 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 202 unsolved
No progress, stopping.
After SMT solving in domain Real declared 206/206 variables, and 102 constraints, problems are : Problem set: 0 solved, 202 unsolved in 2838 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 5025 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 7966ms problems are : Problem set: 0 solved, 202 unsolved
Search for dead transitions found 0 dead transitions in 7969ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8149 ms. Remains : 81/81 places, 204/204 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 79 transitions
Reduce isomorphic transitions removed 79 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 81 transition count 118
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 93 place count 74 transition count 118
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 93 place count 74 transition count 102
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 125 place count 58 transition count 102
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 155 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 190 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 197 place count 22 transition count 45
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 204 place count 22 transition count 38
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 204 place count 22 transition count 37
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 206 place count 21 transition count 37
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 208 place count 20 transition count 37
Applied a total of 208 rules in 13 ms. Remains 20 /81 variables (removed 61) and now considering 37/204 (removed 167) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-23 03:03:10] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 03:03:10] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:03:10] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 03:03:10] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:03:10] [INFO ] After 6ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:03:10] [INFO ] After 32ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:03:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:03:10] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:10] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:03:10] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:10] [INFO ] After 37ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 85 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[650] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-09 in 39570 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-11
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:03:10] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:03:10] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7] Max Struct:[+inf]
[2024-05-23 03:03:10] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:03:10] [INFO ] Invariant cache hit.
[2024-05-23 03:03:10] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:10] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:03:10] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 03:03:10] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:03:10] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:03:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:10] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:10] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:03:10] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 03:03:10] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:03:10] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 03:03:10] [INFO ] Added : 30 causal constraints over 7 iterations in 89 ms. Result :sat
Minimization took 35 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 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 252
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 238
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 238
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 234
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 226
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 226
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 220
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 220
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 214
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 214
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 208
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 208
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 63 place count 82 transition count 204
Iterating global reduction 3 with 2 rules applied. Total rules applied 65 place count 82 transition count 204
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 67 place count 80 transition count 200
Iterating global reduction 3 with 2 rules applied. Total rules applied 69 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 70 place count 79 transition count 198
Iterating global reduction 3 with 1 rules applied. Total rules applied 71 place count 79 transition count 198
Applied a total of 71 rules in 13 ms. Remains 79 /110 variables (removed 31) and now considering 198/274 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 79/110 places, 198/274 transitions.
[2024-05-23 03:03:11] [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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2024-05-23 03:03:11] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-23 03:03:11] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 898 ms. (1112 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 599 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[724] Max Struct:[+inf]
[2024-05-23 03:03:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:12] [INFO ] Invariant cache hit.
[2024-05-23 03:03:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:03:12] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:03:12] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:12] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:12] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:03:12] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:12] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-23 03:03:12] [INFO ] Added : 15 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[724] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[724] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:03:13] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:13] [INFO ] Invariant cache hit.
[2024-05-23 03:03:14] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-23 03:03:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:14] [INFO ] Invariant cache hit.
[2024-05-23 03:03:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:14] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
[2024-05-23 03:03:14] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:03:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:14] [INFO ] Invariant cache hit.
[2024-05-23 03:03:14] [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 3464 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 4424 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 7993ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7995ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8159 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 03:03:22] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[724] Max Struct:[+inf]
[2024-05-23 03:03:22] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[724] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 891 ms. (1121 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 595 ms. (1677 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[724] Max Struct:[+inf]
[2024-05-23 03:03:23] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:23] [INFO ] Invariant cache hit.
[2024-05-23 03:03:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:23] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:03:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:23] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:23] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:03:23] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:03:23] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 6 ms.
[2024-05-23 03:03:23] [INFO ] Added : 15 causal constraints over 4 iterations in 45 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[724] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[724] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:03:25] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:25] [INFO ] Invariant cache hit.
[2024-05-23 03:03:25] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 03:03:25] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:25] [INFO ] Invariant cache hit.
[2024-05-23 03:03:25] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:25] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 155 ms to find 0 implicit places.
[2024-05-23 03:03:25] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:03:25] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:25] [INFO ] Invariant cache hit.
[2024-05-23 03:03:25] [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 3470 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 4681 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 8250ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8252ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8413 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 03:03:33] [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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[724] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 60 ms. (655 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 2076626 steps, run timeout after 3001 ms. (steps per millisecond=691 ) properties seen :0 out of 1
Probabilistic random walk after 2076626 steps, saw 1310041 distinct states, run finished after 3001 ms. (steps per millisecond=691 ) properties seen :0
[2024-05-23 03:03:36] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:36] [INFO ] Invariant cache hit.
[2024-05-23 03:03:36] [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 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
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 73 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 154ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 734 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 3 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40002 steps (8 resets) in 57 ms. (689 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2008064 steps, run timeout after 3001 ms. (steps per millisecond=669 ) properties seen :0 out of 1
Probabilistic random walk after 2008064 steps, saw 1262980 distinct states, run finished after 3001 ms. (steps per millisecond=669 ) properties seen :0
[2024-05-23 03:03:40] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:40] [INFO ] Invariant cache hit.
[2024-05-23 03:03:40] [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 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 162ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 751 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 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:03:41] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:41] [INFO ] Invariant cache hit.
[2024-05-23 03:03:41] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 03:03:41] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:41] [INFO ] Invariant cache hit.
[2024-05-23 03:03:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:41] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2024-05-23 03:03:41] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:03:41] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:41] [INFO ] Invariant cache hit.
[2024-05-23 03:03:41] [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 3633 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 4604 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 8337ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8339ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8506 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 12 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2024-05-23 03:03:50] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:03:50] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:50] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:03:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:03:50] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:50] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:03:50] [INFO ] After 1ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:03:50] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:50] [INFO ] After 30ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 77 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[724] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-11 in 39424 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-13
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:03:50] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:03:50] [INFO ] Computed 2 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 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:[0] Max Struct:[+inf]
[2024-05-23 03:03:50] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:03:50] [INFO ] Invariant cache hit.
[2024-05-23 03:03:50] [INFO ] [Real]Absence check using 1 positive place invariants in 2 ms returned sat
[2024-05-23 03:03:50] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:03:50] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 03:03:50] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:03:50] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:03:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:50] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:50] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 03:03:50] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 03:03:50] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:03:50] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 10 ms.
[2024-05-23 03:03:50] [INFO ] Added : 30 causal constraints over 8 iterations in 100 ms. Result :sat
Minimization took 34 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[0] Max Struct:[+inf]
Support contains 1 out of 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 258
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 258
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 21 place count 102 transition count 254
Discarding 6 places :
Symmetric choice reduction at 2 with 6 rule applications. Total rules 27 place count 96 transition count 240
Iterating global reduction 2 with 6 rules applied. Total rules applied 33 place count 96 transition count 240
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 37 place count 96 transition count 236
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 40 place count 93 transition count 230
Iterating global reduction 3 with 3 rules applied. Total rules applied 43 place count 93 transition count 230
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 46 place count 90 transition count 224
Iterating global reduction 3 with 3 rules applied. Total rules applied 49 place count 90 transition count 224
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 52 place count 87 transition count 218
Iterating global reduction 3 with 3 rules applied. Total rules applied 55 place count 87 transition count 218
Discarding 3 places :
Symmetric choice reduction at 3 with 3 rule applications. Total rules 58 place count 84 transition count 212
Iterating global reduction 3 with 3 rules applied. Total rules applied 61 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 62 place count 83 transition count 210
Iterating global reduction 3 with 1 rules applied. Total rules applied 63 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 64 place count 82 transition count 208
Iterating global reduction 3 with 1 rules applied. Total rules applied 65 place count 82 transition count 208
Applied a total of 65 rules in 15 ms. Remains 82 /110 variables (removed 28) and now considering 208/274 (removed 66) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 82/110 places, 208/274 transitions.
[2024-05-23 03:03:50] [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 24 ms. (steps per millisecond=416 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 03:03:50] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2024-05-23 03:03:50] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 928 ms. (1076 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 635 ms. (1572 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[222] Max Struct:[+inf]
[2024-05-23 03:03:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:52] [INFO ] Invariant cache hit.
[2024-05-23 03:03:52] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:03:52] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:03:52] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:52] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:52] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:52] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:03:52] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:03:52] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 1 ms to minimize.
[2024-05-23 03:03:52] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-23 03:03:52] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-23 03:03:52] [INFO ] Added : 21 causal constraints over 6 iterations in 57 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[222] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[222] 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 4 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 5 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 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-23 03:03:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:52] [INFO ] Invariant cache hit.
[2024-05-23 03:03:52] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 03:03:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:52] [INFO ] Invariant cache hit.
[2024-05-23 03:03:52] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:52] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
[2024-05-23 03:03:52] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:03:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:52] [INFO ] Invariant cache hit.
[2024-05-23 03:03:52] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3841 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 5354 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 9306ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9308ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9477 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:01] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[222] Max Struct:[+inf]
[2024-05-23 03:04:01] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:01] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[222] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 897 ms. (1113 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 640 ms. (1560 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[235] Max Struct:[+inf]
[2024-05-23 03:04:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:03] [INFO ] Invariant cache hit.
[2024-05-23 03:04:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:03] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:04:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:03] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:04:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:04:03] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:04:03] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:04:03] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-23 03:04:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-23 03:04:03] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-23 03:04:03] [INFO ] Added : 21 causal constraints over 6 iterations in 57 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[235] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[235] 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 5 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 6 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 6 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-23 03:04:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:03] [INFO ] Invariant cache hit.
[2024-05-23 03:04:03] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-23 03:04:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:03] [INFO ] Invariant cache hit.
[2024-05-23 03:04:03] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:03] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
[2024-05-23 03:04:03] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:03] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:03] [INFO ] Invariant cache hit.
[2024-05-23 03:04:03] [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 3864 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 5580 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 9551ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9553ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9714 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:13] [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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[235] Max Struct:[+inf]
[2024-05-23 03:04:13] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[235] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 955 ms. (1046 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 629 ms. (1587 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[247] Max Struct:[+inf]
[2024-05-23 03:04:15] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:15] [INFO ] Invariant cache hit.
[2024-05-23 03:04:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:15] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:04:15] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:15] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:04:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:15] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:04:15] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:04:15] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-23 03:04:15] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-23 03:04:15] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 6 ms.
[2024-05-23 03:04:15] [INFO ] Added : 21 causal constraints over 6 iterations in 57 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[247] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[247] 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.
[2024-05-23 03:04:15] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:15] [INFO ] Invariant cache hit.
[2024-05-23 03:04:15] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 03:04:15] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:15] [INFO ] Invariant cache hit.
[2024-05-23 03:04:15] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:15] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
[2024-05-23 03:04:15] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:15] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:15] [INFO ] Invariant cache hit.
[2024-05-23 03:04:15] [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 3825 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 5302 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 9235ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9237ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9394 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:24] [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 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[247] Max Struct:[+inf]
[2024-05-23 03:04:24] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:24] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[247] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 910 ms. (1097 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 634 ms. (1574 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[247] Max Struct:[+inf]
[2024-05-23 03:04:26] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:26] [INFO ] Invariant cache hit.
[2024-05-23 03:04:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:04:26] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:04:26] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:26] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:04:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:04:26] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 03:04:26] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:04:26] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 1 ms to minimize.
[2024-05-23 03:04:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2024-05-23 03:04:26] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 6 ms.
[2024-05-23 03:04:26] [INFO ] Added : 21 causal constraints over 6 iterations in 54 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[247] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[247] 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 6 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 6 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.
[2024-05-23 03:04:26] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:26] [INFO ] Invariant cache hit.
[2024-05-23 03:04:26] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 03:04:26] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:26] [INFO ] Invariant cache hit.
[2024-05-23 03:04:26] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:26] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 145 ms to find 0 implicit places.
[2024-05-23 03:04:26] [INFO ] Redundant transitions in 2 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:26] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:26] [INFO ] Invariant cache hit.
[2024-05-23 03:04:26] [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 3814 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 5324 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 9248ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9251ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9404 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:36] [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 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[247] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 58 ms. (677 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 2026205 steps, run timeout after 3001 ms. (steps per millisecond=675 ) properties seen :0 out of 1
Probabilistic random walk after 2026205 steps, saw 1291413 distinct states, run finished after 3001 ms. (steps per millisecond=675 ) properties seen :0
[2024-05-23 03:04:39] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:39] [INFO ] Invariant cache hit.
[2024-05-23 03:04:39] [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 73 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 91 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 169ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 402 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 40002 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 29 ms. (1333 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2023212 steps, run timeout after 3001 ms. (steps per millisecond=674 ) properties seen :0 out of 1
Probabilistic random walk after 2023212 steps, saw 1289358 distinct states, run finished after 3002 ms. (steps per millisecond=673 ) properties seen :0
[2024-05-23 03:04:42] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:42] [INFO ] Invariant cache hit.
[2024-05-23 03:04:42] [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) 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 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
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 81 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 164ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 405 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 82/82 places, 208/208 transitions.
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.
[2024-05-23 03:04:43] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:43] [INFO ] Invariant cache hit.
[2024-05-23 03:04:43] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 03:04:43] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:43] [INFO ] Invariant cache hit.
[2024-05-23 03:04:43] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:43] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 147 ms to find 0 implicit places.
[2024-05-23 03:04:43] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:43] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:43] [INFO ] Invariant cache hit.
[2024-05-23 03:04:43] [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 3798 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 5341 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 9265ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 9267ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9428 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
[2024-05-23 03:04:52] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 03:04:52] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:52] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 03:04:52] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:04:52] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:04:52] [INFO ] After 41ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:04:52] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:52] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:04:52] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:04:52] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:04:52] [INFO ] After 30ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 85 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[247] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-13 in 62807 ms.
Starting property specific reduction for FunctionPointer-PT-b064-UpperBounds-15
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 03:04:52] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
// Phase 1: matrix 178 rows 110 cols
[2024-05-23 03:04:52] [INFO ] Computed 2 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 03:04:52] [INFO ] Flow matrix only has 178 transitions (discarded 96 similar events)
[2024-05-23 03:04:52] [INFO ] Invariant cache hit.
[2024-05-23 03:04:52] [INFO ] [Real]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:52] [INFO ] [Real]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:04:52] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 03:04:52] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:04:52] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:04:53] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:53] [INFO ] [Nat]Absence check using 1 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:53] [INFO ] [Nat]Absence check using 1 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 03:04:53] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 03:04:53] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:04:53] [INFO ] Computed and/alt/rep : 55/264/53 causal constraints (skipped 123 transitions) in 11 ms.
[2024-05-23 03:04:53] [INFO ] Added : 9 causal constraints over 3 iterations in 52 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 110 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 110/110 places, 274/274 transitions.
Graph (complete) has 460 edges and 110 vertex of which 107 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 6 transitions
Reduce isomorphic transitions removed 6 transitions.
Iterating post reduction 0 with 6 rules applied. Total rules applied 7 place count 107 transition count 268
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 12 place count 102 transition count 256
Iterating global reduction 1 with 5 rules applied. Total rules applied 17 place count 102 transition count 256
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 19 place count 102 transition count 254
Discarding 5 places :
Symmetric choice reduction at 2 with 5 rule applications. Total rules 24 place count 97 transition count 242
Iterating global reduction 2 with 5 rules applied. Total rules applied 29 place count 97 transition count 242
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 33 place count 93 transition count 232
Iterating global reduction 2 with 4 rules applied. Total rules applied 37 place count 93 transition count 232
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 41 place count 89 transition count 224
Iterating global reduction 2 with 4 rules applied. Total rules applied 45 place count 89 transition count 224
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 49 place count 85 transition count 216
Iterating global reduction 2 with 4 rules applied. Total rules applied 53 place count 85 transition count 216
Discarding 4 places :
Symmetric choice reduction at 2 with 4 rule applications. Total rules 57 place count 81 transition count 208
Iterating global reduction 2 with 4 rules applied. Total rules applied 61 place count 81 transition count 208
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 63 place count 79 transition count 204
Iterating global reduction 2 with 2 rules applied. Total rules applied 65 place count 79 transition count 204
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 67 place count 77 transition count 200
Iterating global reduction 2 with 2 rules applied. Total rules applied 69 place count 77 transition count 200
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 70 place count 76 transition count 198
Iterating global reduction 2 with 1 rules applied. Total rules applied 71 place count 76 transition count 198
Applied a total of 71 rules in 12 ms. Remains 76 /110 variables (removed 34) and now considering 198/274 (removed 76) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 76/110 places, 198/274 transitions.
[2024-05-23 03:04:53] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 58=1, 103=1, 117=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 03:04:53] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-23 03:04:53] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 957 ms. (1043 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 503 ms. (1984 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[610] Max Struct:[+inf]
[2024-05-23 03:04:54] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:04:54] [INFO ] Invariant cache hit.
[2024-05-23 03:04:54] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:54] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:04:54] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-23 03:04:54] [INFO ] [Real]Added 15 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:04:54] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:54] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:54] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 03:04:54] [INFO ] [Nat]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:04:54] [INFO ] Deduced a trap composed of 25 places in 40 ms of which 1 ms to minimize.
[2024-05-23 03:04:54] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
[2024-05-23 03:04:54] [INFO ] Deduced a trap composed of 16 places in 35 ms of which 1 ms to minimize.
[2024-05-23 03:04:55] [INFO ] Deduced a trap composed of 13 places in 36 ms of which 1 ms to minimize.
[2024-05-23 03:04:55] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 172 ms
[2024-05-23 03:04:55] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 65 transitions) in 6 ms.
[2024-05-23 03:04:55] [INFO ] Added : 27 causal constraints over 6 iterations in 56 ms. Result :sat
Minimization took 31 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[610] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[610] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:04:56] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:04:56] [INFO ] Invariant cache hit.
[2024-05-23 03:04:56] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 03:04:56] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:04:56] [INFO ] Invariant cache hit.
[2024-05-23 03:04:56] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-23 03:04:56] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 153 ms to find 0 implicit places.
[2024-05-23 03:04:56] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:04:56] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:04:56] [INFO ] Invariant cache hit.
[2024-05-23 03:04:56] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 2855 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4603 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7548ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7550ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7710 ms. Remains : 76/76 places, 198/198 transitions.
[2024-05-23 03:05:04] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 58=1, 103=1, 117=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[610] Max Struct:[+inf]
[2024-05-23 03:05:04] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:04] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[610] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 905 ms. (1103 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 506 ms. (1972 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[610] Max Struct:[+inf]
[2024-05-23 03:05:05] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:05] [INFO ] Invariant cache hit.
[2024-05-23 03:05:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:05:05] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 03:05:05] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-23 03:05:05] [INFO ] [Real]Added 15 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:05:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:05:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:05:05] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:05:05] [INFO ] [Nat]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:05:05] [INFO ] Deduced a trap composed of 25 places in 43 ms of which 1 ms to minimize.
[2024-05-23 03:05:05] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 1 ms to minimize.
[2024-05-23 03:05:05] [INFO ] Deduced a trap composed of 16 places in 37 ms of which 1 ms to minimize.
[2024-05-23 03:05:05] [INFO ] Deduced a trap composed of 13 places in 35 ms of which 1 ms to minimize.
[2024-05-23 03:05:05] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 178 ms
[2024-05-23 03:05:05] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 65 transitions) in 6 ms.
[2024-05-23 03:05:05] [INFO ] Added : 27 causal constraints over 6 iterations in 49 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[610] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[610] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:05:07] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:07] [INFO ] Invariant cache hit.
[2024-05-23 03:05:07] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 03:05:07] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:07] [INFO ] Invariant cache hit.
[2024-05-23 03:05:07] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-23 03:05:07] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
[2024-05-23 03:05:07] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:05:07] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:07] [INFO ] Invariant cache hit.
[2024-05-23 03:05:07] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 2870 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4528 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7490ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7493ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7651 ms. Remains : 76/76 places, 198/198 transitions.
[2024-05-23 03:05:14] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {26=1, 57=1, 86=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 58=1, 103=1, 117=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[610] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 54 ms. (727 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 2048718 steps, run timeout after 3001 ms. (steps per millisecond=682 ) properties seen :0 out of 1
Probabilistic random walk after 2048718 steps, saw 1296189 distinct states, run finished after 3001 ms. (steps per millisecond=682 ) properties seen :0
[2024-05-23 03:05:17] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:17] [INFO ] Invariant cache hit.
[2024-05-23 03:05:17] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 8/91 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/91 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 91/182 variables, 52/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 14/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/188 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/188 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/194 variables, 8/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/83 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 8/91 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/91 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 91/182 variables, 52/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 14/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/188 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/188 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/194 variables, 8/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 158ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1001 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 198/198 transitions.
RANDOM walk for 40003 steps (8 resets) in 74 ms. (533 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 2047501 steps, run timeout after 3001 ms. (steps per millisecond=682 ) properties seen :0 out of 1
Probabilistic random walk after 2047501 steps, saw 1295431 distinct states, run finished after 3001 ms. (steps per millisecond=682 ) properties seen :0
[2024-05-23 03:05:22] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:22] [INFO ] Invariant cache hit.
[2024-05-23 03:05:22] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 8/91 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/91 variables, 4/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 91/182 variables, 52/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 14/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/85 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/188 variables, 1/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/188 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/194 variables, 8/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 70 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/12 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/12 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 8/20 variables, 3/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/20 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 63/83 variables, 5/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/83 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/83 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/83 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 8/91 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/91 variables, 4/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/91 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 91/182 variables, 52/72 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 14/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/86 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 6/188 variables, 1/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/188 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/194 variables, 8/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/194 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 146ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1007 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:05:23] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:23] [INFO ] Invariant cache hit.
[2024-05-23 03:05:23] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-23 03:05:23] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:23] [INFO ] Invariant cache hit.
[2024-05-23 03:05:23] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-23 03:05:23] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-23 03:05:23] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:05:23] [INFO ] Flow matrix only has 118 transitions (discarded 80 similar events)
[2024-05-23 03:05:23] [INFO ] Invariant cache hit.
[2024-05-23 03:05:23] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/194 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 194/194 variables, and 94 constraints, problems are : Problem set: 0 solved, 196 unsolved in 2806 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 118/194 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/194 variables, 15/94 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/194 variables, 196/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/194 variables, 0/290 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 194/194 variables, and 290 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4396 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 7293ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7295ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7479 ms. Remains : 76/76 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 4 transitions
Trivial Post-agglo rules discarded 4 transitions
Performed 4 trivial Post agglomeration. Transition count delta: 4
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 76 transition count 114
Reduce places removed 4 places and 0 transitions.
Iterating post reduction 1 with 4 rules applied. Total rules applied 88 place count 72 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 88 place count 72 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 114 place count 59 transition count 101
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 148 place count 42 transition count 84
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 155 place count 35 transition count 70
Iterating global reduction 2 with 7 rules applied. Total rules applied 162 place count 35 transition count 70
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 169 place count 28 transition count 56
Iterating global reduction 2 with 7 rules applied. Total rules applied 176 place count 28 transition count 56
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 183 place count 21 transition count 42
Iterating global reduction 2 with 7 rules applied. Total rules applied 190 place count 21 transition count 42
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 197 place count 21 transition count 35
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 197 place count 21 transition count 34
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 199 place count 20 transition count 34
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -2
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 19 transition count 36
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 204 place count 19 transition count 33
Discarding 1 places :
Symmetric choice reduction at 3 with 1 rule applications. Total rules 205 place count 18 transition count 32
Iterating global reduction 3 with 1 rules applied. Total rules applied 206 place count 18 transition count 32
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 3 with 2 rules applied. Total rules applied 208 place count 18 transition count 30
Applied a total of 208 rules in 11 ms. Remains 18 /76 variables (removed 58) and now considering 30/198 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2024-05-23 03:05:30] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 03:05:30] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:05:30] [INFO ] After 25ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:05:30] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:05:30] [INFO ] After 6ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:05:30] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:05:30] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:05:30] [INFO ] After 3ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:05:30] [INFO ] After 27ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 66 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[610] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b064-UpperBounds-15 in 37926 ms.
[2024-05-23 03:05:31] [INFO ] Flatten gal took : 57 ms
[2024-05-23 03:05:31] [INFO ] Export to MCC of 10 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-23 03:05:31] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 110 places, 274 transitions and 1110 arcs took 4 ms.
Total runtime 645730 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running FunctionPointer-PT-b064

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/417/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 110
TRANSITIONS: 274
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.007s, Sys 0.002s]


SAVING FILE /home/mcc/execution/417/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


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

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

Process ID: 2382
MODEL NAME: /home/mcc/execution/417/model
110 places, 274 transitions.
Enabling coverability test.

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

BK_STOP 1716433533262

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML

Sequence of Actions to be Executed by the VM

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

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

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is FunctionPointer-PT-b064, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r179-tall-171640601100261"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b064.tgz
mv FunctionPointer-PT-b064 execution
cd execution
if [ "UpperBounds" = "ReachabilityDeadlock" ] || [ "UpperBounds" = "UpperBounds" ] || [ "UpperBounds" = "QuasiLiveness" ] || [ "UpperBounds" = "StableMarking" ] || [ "UpperBounds" = "Liveness" ] || [ "UpperBounds" = "OneSafe" ] || [ "UpperBounds" = "StateSpace" ]; then
rm -f GenericPropertiesVerdict.xml
fi
pwd
ls -lh

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