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-171640601100253.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is FunctionPointer-PT-b032, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640601100253
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 888K
-rw-r--r-- 1 mcc users 7.4K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 83K 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 3.6K Apr 22 14:45 LTLCardinality.txt
-rw-r--r-- 1 mcc users 25K Apr 22 14:45 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K May 19 07:18 LTLFireability.txt
-rw-r--r-- 1 mcc users 18K May 19 18:24 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K May 14 13:22 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 156K May 14 13:22 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 9.0K Apr 11 16:04 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 79K Apr 11 16:04 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-b032-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b032-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1716432643196

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-b032
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 02:50:44] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-23 02:50:44] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 02:50:44] [INFO ] Load time of PNML (sax parser for PT used): 106 ms
[2024-05-23 02:50:44] [INFO ] Transformed 306 places.
[2024-05-23 02:50:44] [INFO ] Transformed 840 transitions.
[2024-05-23 02:50:44] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 209 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-b032-UpperBounds-00 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-UpperBounds-13 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b032-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 02:50:44] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-23 02:50:44] [INFO ] Computed 4 invariants in 25 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+inf, +inf, +inf, +inf, 32, 1, +inf, +inf, +inf, 32, 32, +inf, +inf]
RANDOM walk for 10017 steps (6 resets) in 40 ms. (244 steps per ms)
BEST_FIRST walk for 130013 steps (87 resets) in 153 ms. (844 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8, 5, 23, 2, 6, 0, 3, 2, 2, 30, 6, 8, 7] Max Struct:[+inf, +inf, +inf, +inf, 32, 1, +inf, +inf, +inf, 32, 32, +inf, +inf]
[2024-05-23 02:50:44] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-23 02:50:44] [INFO ] Invariant cache hit.
[2024-05-23 02:50:44] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:50:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Real]Absence check using state equation in 97 ms returned sat
[2024-05-23 02:50:45] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-23 02:50:45] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-23 02:50:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Nat]Absence check using state equation in 82 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 15 ms returned sat
[2024-05-23 02:50:45] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 63 ms.
[2024-05-23 02:50:45] [INFO ] Added : 1 causal constraints over 1 iterations in 140 ms. Result :sat
Minimization took 92 ms.
[2024-05-23 02:50:45] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Real]Absence check using state equation in 83 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Real]Added 65 Read/Feed constraints in 21 ms returned sat
[2024-05-23 02:50:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Nat]Absence check using state equation in 90 ms returned sat
[2024-05-23 02:50:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:50:46] [INFO ] Deduced a trap composed of 26 places in 114 ms of which 17 ms to minimize.
[2024-05-23 02:50:46] [INFO ] Deduced a trap composed of 21 places in 120 ms of which 2 ms to minimize.
[2024-05-23 02:50:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 278 ms
[2024-05-23 02:50:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 46 ms.
[2024-05-23 02:50:46] [INFO ] Added : 2 causal constraints over 1 iterations in 85 ms. Result :sat
Minimization took 76 ms.
[2024-05-23 02:50:46] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:50:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:46] [INFO ] [Real]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:50:46] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:46] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:50:46] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:46] [INFO ] Deduced a trap composed of 27 places in 110 ms of which 1 ms to minimize.
[2024-05-23 02:50:46] [INFO ] Deduced a trap composed of 27 places in 99 ms of which 2 ms to minimize.
[2024-05-23 02:50:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 243 ms
[2024-05-23 02:50:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-23 02:50:46] [INFO ] Added : 2 causal constraints over 1 iterations in 73 ms. Result :sat
Minimization took 86 ms.
[2024-05-23 02:50:47] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-23 02:50:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:50:47] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 41 ms.
[2024-05-23 02:50:47] [INFO ] Added : 2 causal constraints over 1 iterations in 91 ms. Result :sat
Minimization took 78 ms.
[2024-05-23 02:50:47] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Real]Absence check using state equation in 80 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Real]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:50:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2024-05-23 02:50:47] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:50:47] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-23 02:50:47] [INFO ] Added : 0 causal constraints over 0 iterations in 62 ms. Result :sat
Minimization took 83 ms.
[2024-05-23 02:50:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:50:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:50:48] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 30 ms.
[2024-05-23 02:50:48] [INFO ] Added : 1 causal constraints over 1 iterations in 95 ms. Result :sat
Minimization took 79 ms.
[2024-05-23 02:50:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:50:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2024-05-23 02:50:48] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:50:48] [INFO ] Deduced a trap composed of 22 places in 115 ms of which 2 ms to minimize.
[2024-05-23 02:50:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 134 ms
[2024-05-23 02:50:48] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-23 02:50:49] [INFO ] Added : 2 causal constraints over 1 iterations in 73 ms. Result :sat
Minimization took 83 ms.
[2024-05-23 02:50:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Nat]Absence check using state equation in 72 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Nat]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:50:49] [INFO ] Deduced a trap composed of 24 places in 103 ms of which 3 ms to minimize.
[2024-05-23 02:50:49] [INFO ] Deduced a trap composed of 21 places in 93 ms of which 2 ms to minimize.
[2024-05-23 02:50:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 241 ms
[2024-05-23 02:50:49] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-23 02:50:49] [INFO ] Added : 1 causal constraints over 1 iterations in 77 ms. Result :sat
Minimization took 77 ms.
[2024-05-23 02:50:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:50:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:49] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Nat]Absence check using state equation in 69 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:50] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 2 ms to minimize.
[2024-05-23 02:50:50] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 111 ms
[2024-05-23 02:50:50] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-23 02:50:50] [INFO ] Added : 2 causal constraints over 1 iterations in 74 ms. Result :sat
Minimization took 80 ms.
[2024-05-23 02:50:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Real]Absence check using state equation in 67 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Real]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:50:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:50] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-23 02:50:50] [INFO ] Added : 0 causal constraints over 0 iterations in 65 ms. Result :sat
Minimization took 79 ms.
[2024-05-23 02:50:50] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:50:50] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:50] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:50:50] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:50:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-23 02:50:51] [INFO ] Added : 0 causal constraints over 0 iterations in 57 ms. Result :sat
Minimization took 82 ms.
[2024-05-23 02:50:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Real]Absence check using state equation in 70 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 4 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Absence check using state equation in 67 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:51] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 32 ms.
[2024-05-23 02:50:51] [INFO ] Added : 1 causal constraints over 1 iterations in 75 ms. Result :sat
Minimization took 79 ms.
[2024-05-23 02:50:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:50:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:50:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Absence check using state equation in 93 ms returned sat
[2024-05-23 02:50:51] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:50:52] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 32 ms.
[2024-05-23 02:50:52] [INFO ] Added : 1 causal constraints over 1 iterations in 76 ms. Result :sat
Minimization took 76 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[8, 5, 23, 2, 6, 0, 3, 2, 2, 30, 6, 8, 7] Max Struct:[+inf, +inf, +inf, +inf, 32, 1, +inf, +inf, +inf, 32, 32, +inf, +inf]
FORMULA FunctionPointer-PT-b032-UpperBounds-11 32 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FunctionPointer-PT-b032-UpperBounds-10 32 TECHNIQUES TOPOLOGICAL PARIKH_WALK
FORMULA FunctionPointer-PT-b032-UpperBounds-05 32 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[8, 5, 23, 2, 0, 31, 2, 2, 8, 7] Max Struct:[+inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, +inf]
Support contains 10 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 194 are kept as prefixes of interest. Removing 28 places using SCC suffix rule.3 ms
Discarding 28 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 38 transitions
Reduce isomorphic transitions removed 38 transitions.
Iterating post reduction 0 with 38 rules applied. Total rules applied 39 place count 194 transition count 610
Discarding 27 places :
Symmetric choice reduction at 1 with 27 rule applications. Total rules 66 place count 167 transition count 464
Iterating global reduction 1 with 27 rules applied. Total rules applied 93 place count 167 transition count 464
Ensure Unique test removed 40 transitions
Reduce isomorphic transitions removed 40 transitions.
Iterating post reduction 1 with 40 rules applied. Total rules applied 133 place count 167 transition count 424
Discarding 14 places :
Symmetric choice reduction at 2 with 14 rule applications. Total rules 147 place count 153 transition count 396
Iterating global reduction 2 with 14 rules applied. Total rules applied 161 place count 153 transition count 396
Ensure Unique test removed 8 transitions
Reduce isomorphic transitions removed 8 transitions.
Iterating post reduction 2 with 8 rules applied. Total rules applied 169 place count 153 transition count 388
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 174 place count 148 transition count 378
Iterating global reduction 3 with 5 rules applied. Total rules applied 179 place count 148 transition count 378
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 184 place count 143 transition count 358
Iterating global reduction 3 with 5 rules applied. Total rules applied 189 place count 143 transition count 358
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 194 place count 138 transition count 348
Iterating global reduction 3 with 5 rules applied. Total rules applied 199 place count 138 transition count 348
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 204 place count 133 transition count 328
Iterating global reduction 3 with 5 rules applied. Total rules applied 209 place count 133 transition count 328
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 214 place count 128 transition count 308
Iterating global reduction 3 with 5 rules applied. Total rules applied 219 place count 128 transition count 308
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 224 place count 123 transition count 298
Iterating global reduction 3 with 5 rules applied. Total rules applied 229 place count 123 transition count 298
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 234 place count 118 transition count 288
Iterating global reduction 3 with 5 rules applied. Total rules applied 239 place count 118 transition count 288
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 244 place count 113 transition count 278
Iterating global reduction 3 with 5 rules applied. Total rules applied 249 place count 113 transition count 278
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 254 place count 108 transition count 268
Iterating global reduction 3 with 5 rules applied. Total rules applied 259 place count 108 transition count 268
Discarding 2 places :
Symmetric choice reduction at 3 with 2 rule applications. Total rules 261 place count 106 transition count 264
Iterating global reduction 3 with 2 rules applied. Total rules applied 263 place count 106 transition count 264
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 269 place count 106 transition count 258
Applied a total of 269 rules in 121 ms. Remains 106 /222 variables (removed 116) and now considering 258/648 (removed 390) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 130 ms. Remains : 106/222 places, 258/648 transitions.
[2024-05-23 02:50:52] [INFO ] Flow matrix only has 172 transitions (discarded 86 similar events)
Found an invariant !
This invariant on transitions {30=1, 80=1, 133=1, 171=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 78=1, 115=1, 159=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 74 ms. (steps per millisecond=135 ) properties (out of 10) seen :[10, 3, 7, 5, 1, 4, 4, 3, 13, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[10, 5, 23, 5, 1, 31, 4, 3, 13, 7] Max Struct:[+inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:50:52] [INFO ] Flow matrix only has 172 transitions (discarded 86 similar events)
// Phase 1: matrix 172 rows 106 cols
[2024-05-23 02:50:52] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[10, 5, 23, 5, 1, 31, 4, 3, 13, 7] Max Struct:[+inf, +inf, +inf, +inf, 1, +inf, +inf, +inf, +inf, +inf]
FORMULA FunctionPointer-PT-b032-UpperBounds-06 1 TECHNIQUES TOPOLOGICAL INITIAL_STATE
RANDOM walk for 1000000 steps (2 resets) in 1032 ms. (968 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6572 ms. (1369 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[569, 64, 23, 163, 32, 190, 63, 724, 535] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:51:00] [INFO ] Flow matrix only has 172 transitions (discarded 86 similar events)
[2024-05-23 02:51:00] [INFO ] Invariant cache hit.
[2024-05-23 02:51:00] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:51:00] [INFO ] State equation strengthened by 34 read => feed constraints.
[2024-05-23 02:51:00] [INFO ] [Real]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Nat]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:00] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 11 ms.
[2024-05-23 02:51:00] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:51:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Real]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Nat]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:00] [INFO ] Deduced a trap composed of 28 places in 58 ms of which 1 ms to minimize.
[2024-05-23 02:51:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-23 02:51:00] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 10 ms.
[2024-05-23 02:51:00] [INFO ] Added : 8 causal constraints over 3 iterations in 58 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:51:00] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Real]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:51:00] [INFO ] [Nat]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:00] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:51:00] [INFO ] Deduced a trap composed of 26 places in 51 ms of which 1 ms to minimize.
[2024-05-23 02:51:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 129 ms
[2024-05-23 02:51:01] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 10 ms.
[2024-05-23 02:51:01] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:01] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 9 ms.
[2024-05-23 02:51:01] [INFO ] Added : 12 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Added 34 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Added 34 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:01] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 1 ms to minimize.
[2024-05-23 02:51:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-23 02:51:01] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 9 ms.
[2024-05-23 02:51:01] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Added 34 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:01] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 14 ms.
[2024-05-23 02:51:01] [INFO ] Added : 1 causal constraints over 1 iterations in 35 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Real]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:51:01] [INFO ] [Nat]Added 34 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:02] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 0 ms to minimize.
[2024-05-23 02:51:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 02:51:02] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 11 ms.
[2024-05-23 02:51:02] [INFO ] Added : 12 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:51:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Real]Added 34 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Nat]Added 34 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:02] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 10 ms.
[2024-05-23 02:51:02] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:51:02] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Real]Added 34 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:51:02] [INFO ] [Nat]Added 34 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:02] [INFO ] Computed and/alt/rep : 38/107/36 causal constraints (skipped 134 transitions) in 12 ms.
[2024-05-23 02:51:02] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[569, 64, 23, 163, 32, 190, 63, 724, 535] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[569, 64, 23, 163, 32, 190, 63, 724, 535] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 106 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 106/106 places, 258/258 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 105 transition count 256
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 105 transition count 256
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 104 transition count 254
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 104 transition count 254
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 103 transition count 252
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 103 transition count 252
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 102 transition count 248
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 102 transition count 248
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 101 transition count 246
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 101 transition count 246
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 100 transition count 242
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 100 transition count 242
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 99 transition count 240
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 99 transition count 240
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 98 transition count 238
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 98 transition count 238
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 97 transition count 236
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 97 transition count 236
Applied a total of 18 rules in 40 ms. Remains 97 /106 variables (removed 9) and now considering 236/258 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 40 ms. Remains : 97/106 places, 236/258 transitions.
[2024-05-23 02:51:03] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 128 ms. (steps per millisecond=78 ) properties (out of 9) seen :[9, 4, 7, 6, 7, 14, 4, 9, 17]
Current structural bounds on expressions (after cover walk) : Max Seen:[569, 64, 23, 163, 32, 190, 63, 724, 535] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:51:03] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:51:03] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[569, 64, 23, 163, 32, 190, 63, 724, 535] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1013 ms. (986 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6810 ms. (1321 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[825, 85, 23, 205, 37, 190, 87, 724, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:51:11] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:11] [INFO ] Invariant cache hit.
[2024-05-23 02:51:11] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:11] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:11] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:51:11] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:11] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:51:11] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:11] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:51:11] [INFO ] Deduced a trap composed of 27 places in 57 ms of which 1 ms to minimize.
[2024-05-23 02:51:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 114 ms
[2024-05-23 02:51:11] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:51:11] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:51:11] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:11] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:11] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:11] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:11] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:11] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:51:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:51:11] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:12] [INFO ] Added : 8 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:51:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:12] [INFO ] Deduced a trap composed of 26 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:51:12] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 0 ms to minimize.
[2024-05-23 02:51:12] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:51:12] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 169 ms
[2024-05-23 02:51:12] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-23 02:51:12] [INFO ] Added : 2 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 02:51:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:12] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:51:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-23 02:51:12] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:12] [INFO ] Added : 8 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:51:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:51:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:12] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:12] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 0 ms to minimize.
[2024-05-23 02:51:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 02:51:12] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-23 02:51:12] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:13] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:51:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:51:13] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:51:13] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:13] [INFO ] Deduced a trap composed of 34 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:51:13] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 1 ms to minimize.
[2024-05-23 02:51:13] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2024-05-23 02:51:13] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:51:13] [INFO ] Added : 7 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:51:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:51:13] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:13] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 0 ms to minimize.
[2024-05-23 02:51:13] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:51:13] [INFO ] Deduced a trap composed of 19 places in 43 ms of which 0 ms to minimize.
[2024-05-23 02:51:13] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 1 ms to minimize.
[2024-05-23 02:51:13] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 207 ms
[2024-05-23 02:51:13] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 13 ms.
[2024-05-23 02:51:13] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:51:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:14] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:51:14] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:14] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:14] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:14] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:51:14] [INFO ] Deduced a trap composed of 27 places in 45 ms of which 2 ms to minimize.
[2024-05-23 02:51:14] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 113 ms
[2024-05-23 02:51:14] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:51:14] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[825, 85, 23, 205, 37, 190, 87, 724, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[825, 85, 23, 205, 37, 190, 87, 724, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 16 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 11 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 02:51:14] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:14] [INFO ] Invariant cache hit.
[2024-05-23 02:51:14] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 02:51:14] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:14] [INFO ] Invariant cache hit.
[2024-05-23 02:51:14] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:51:14] [INFO ] Implicit Places using invariants and state equation in 141 ms returned []
Implicit Place search using SMT with State Equation took 219 ms to find 0 implicit places.
[2024-05-23 02:51:14] [INFO ] Redundant transitions in 10 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-23 02:51:14] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:14] [INFO ] Invariant cache hit.
[2024-05-23 02:51:14] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4442 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 6972 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11658ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11669ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11925 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-23 02:51:26] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 38 ms. (steps per millisecond=263 ) properties (out of 9) seen :[14, 3, 4, 4, 5, 6, 4, 6, 10]
Current structural bounds on expressions (after cover walk) : Max Seen:[825, 85, 23, 205, 37, 190, 87, 724, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:51:26] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:26] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[825, 85, 23, 205, 37, 190, 87, 724, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1080 ms. (925 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6282 ms. (1432 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[825, 106, 23, 205, 37, 190, 87, 726, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:51:33] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:33] [INFO ] Invariant cache hit.
[2024-05-23 02:51:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:33] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:51:33] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:51:33] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:33] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:33] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:33] [INFO ] Deduced a trap composed of 28 places in 60 ms of which 1 ms to minimize.
[2024-05-23 02:51:33] [INFO ] Deduced a trap composed of 27 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:51:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
[2024-05-23 02:51:34] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:51:34] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:51:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:34] [INFO ] Deduced a trap composed of 32 places in 56 ms of which 1 ms to minimize.
[2024-05-23 02:51:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2024-05-23 02:51:34] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-23 02:51:34] [INFO ] Added : 8 causal constraints over 3 iterations in 44 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:51:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:34] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 1 ms to minimize.
[2024-05-23 02:51:34] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 5 ms to minimize.
[2024-05-23 02:51:34] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-23 02:51:34] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 171 ms
[2024-05-23 02:51:34] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:34] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:51:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:34] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:34] [INFO ] Deduced a trap composed of 32 places in 48 ms of which 0 ms to minimize.
[2024-05-23 02:51:34] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-23 02:51:34] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:51:34] [INFO ] Added : 8 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:35] [INFO ] Deduced a trap composed of 34 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:51:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-23 02:51:35] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:51:35] [INFO ] Added : 2 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:35] [INFO ] Deduced a trap composed of 32 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:51:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2024-05-23 02:51:35] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:35] [INFO ] Added : 1 causal constraints over 1 iterations in 30 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:35] [INFO ] Deduced a trap composed of 34 places in 56 ms of which 1 ms to minimize.
[2024-05-23 02:51:35] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 0 ms to minimize.
[2024-05-23 02:51:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 123 ms
[2024-05-23 02:51:35] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-23 02:51:35] [INFO ] Added : 7 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:35] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:36] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:36] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
[2024-05-23 02:51:36] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:51:36] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 0 ms to minimize.
[2024-05-23 02:51:36] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 1 ms to minimize.
[2024-05-23 02:51:36] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 233 ms
[2024-05-23 02:51:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-23 02:51:36] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:36] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:51:36] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:36] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:51:36] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:36] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-23 02:51:36] [INFO ] Deduced a trap composed of 27 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:51:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2024-05-23 02:51:36] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:36] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[825, 106, 23, 205, 37, 190, 87, 726, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[825, 106, 23, 205, 37, 190, 87, 726, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 12 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 02:51:36] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:36] [INFO ] Invariant cache hit.
[2024-05-23 02:51:36] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-23 02:51:36] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:36] [INFO ] Invariant cache hit.
[2024-05-23 02:51:36] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:51:36] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 201 ms to find 0 implicit places.
[2024-05-23 02:51:36] [INFO ] Redundant transitions in 10 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-23 02:51:36] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:36] [INFO ] Invariant cache hit.
[2024-05-23 02:51:36] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3934 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7109 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11232ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11236ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11458 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-23 02:51:48] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 9) seen :[8, 3, 8, 5, 5, 5, 3, 12, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[825, 106, 23, 205, 37, 190, 87, 726, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:51:48] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:48] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[825, 106, 23, 205, 37, 190, 87, 726, 749] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 945 ms. (1057 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6557 ms. (1372 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[825, 106, 32, 205, 37, 190, 87, 784, 783] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:51:55] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:55] [INFO ] Invariant cache hit.
[2024-05-23 02:51:55] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:55] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:55] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:51:55] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:55] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:55] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:55] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:51:55] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 112 ms
[2024-05-23 02:51:56] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:51:56] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:56] [INFO ] Deduced a trap composed of 32 places in 53 ms of which 1 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-23 02:51:56] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:51:56] [INFO ] Added : 8 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:56] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:56] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Deduced a trap composed of 21 places in 44 ms of which 0 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Deduced a trap composed of 22 places in 41 ms of which 1 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 1 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Trap strengthening (SAT) tested/added 6/5 trap constraints in 247 ms
[2024-05-23 02:51:56] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:56] [INFO ] Added : 2 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:51:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:51:56] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:56] [INFO ] Deduced a trap composed of 32 places in 51 ms of which 0 ms to minimize.
[2024-05-23 02:51:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-23 02:51:56] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:57] [INFO ] Added : 8 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:51:57] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 1 ms to minimize.
[2024-05-23 02:51:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2024-05-23 02:51:57] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-23 02:51:57] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:57] [INFO ] Deduced a trap composed of 32 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:51:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-23 02:51:57] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:51:57] [INFO ] Added : 1 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:57] [INFO ] Deduced a trap composed of 34 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:51:57] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:51:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 114 ms
[2024-05-23 02:51:57] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 12 ms.
[2024-05-23 02:51:57] [INFO ] Added : 7 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:51:57] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:58] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:58] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 0 ms to minimize.
[2024-05-23 02:51:58] [INFO ] Deduced a trap composed of 22 places in 42 ms of which 1 ms to minimize.
[2024-05-23 02:51:58] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
[2024-05-23 02:51:58] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:51:58] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 208 ms
[2024-05-23 02:51:58] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:51:58] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:51:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:51:58] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:51:58] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:51:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:51:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:51:58] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:51:58] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:51:58] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:51:58] [INFO ] Deduced a trap composed of 27 places in 50 ms of which 0 ms to minimize.
[2024-05-23 02:51:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
[2024-05-23 02:51:58] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:51:58] [INFO ] Added : 1 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[825, 106, 32, 205, 37, 190, 87, 784, 783] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[825, 106, 32, 205, 37, 190, 87, 784, 783] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 02:51:58] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:58] [INFO ] Invariant cache hit.
[2024-05-23 02:51:58] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-23 02:51:58] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:58] [INFO ] Invariant cache hit.
[2024-05-23 02:51:58] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:51:58] [INFO ] Implicit Places using invariants and state equation in 124 ms returned []
Implicit Place search using SMT with State Equation took 193 ms to find 0 implicit places.
[2024-05-23 02:51:58] [INFO ] Redundant transitions in 3 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-23 02:51:58] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:51:58] [INFO ] Invariant cache hit.
[2024-05-23 02:51:58] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3957 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 6927 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11070ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11073ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11281 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-23 02:52:09] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 9) seen :[10, 3, 7, 3, 4, 12, 3, 7, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[825, 106, 32, 205, 37, 190, 87, 784, 783] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:52:10] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:10] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[825, 106, 32, 205, 37, 190, 87, 784, 783] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 971 ms. (1028 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6752 ms. (1332 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[825, 106, 38, 257, 37, 232, 87, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:52:17] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:17] [INFO ] Invariant cache hit.
[2024-05-23 02:52:17] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:17] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:17] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:52:17] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:17] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:52:17] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:18] [INFO ] Deduced a trap composed of 28 places in 73 ms of which 1 ms to minimize.
[2024-05-23 02:52:18] [INFO ] Deduced a trap composed of 27 places in 71 ms of which 1 ms to minimize.
[2024-05-23 02:52:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 163 ms
[2024-05-23 02:52:18] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:52:18] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:52:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Nat]Absence check using state equation in 43 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:18] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:52:18] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-23 02:52:18] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-23 02:52:18] [INFO ] Added : 8 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:52:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:52:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Nat]Absence check using state equation in 58 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Nat]Added 32 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:52:18] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 1 ms to minimize.
[2024-05-23 02:52:18] [INFO ] Deduced a trap composed of 34 places in 68 ms of which 1 ms to minimize.
[2024-05-23 02:52:18] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 142 ms
[2024-05-23 02:52:18] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:52:18] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:52:18] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:52:18] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:18] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:18] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:19] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:52:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-23 02:52:19] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:52:19] [INFO ] Added : 8 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:52:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:52:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:52:19] [INFO ] Deduced a trap composed of 34 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:52:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:52:19] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:52:19] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:52:19] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:19] [INFO ] Deduced a trap composed of 32 places in 50 ms of which 0 ms to minimize.
[2024-05-23 02:52:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-23 02:52:19] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:52:19] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 24 ms.
[2024-05-23 02:52:19] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:52:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:19] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:19] [INFO ] Deduced a trap composed of 34 places in 67 ms of which 0 ms to minimize.
[2024-05-23 02:52:19] [INFO ] Deduced a trap composed of 24 places in 68 ms of which 0 ms to minimize.
[2024-05-23 02:52:19] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 156 ms
[2024-05-23 02:52:19] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 22 ms.
[2024-05-23 02:52:20] [INFO ] Added : 7 causal constraints over 3 iterations in 58 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:52:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:20] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:52:20] [INFO ] Deduced a trap composed of 22 places in 64 ms of which 1 ms to minimize.
[2024-05-23 02:52:20] [INFO ] Deduced a trap composed of 19 places in 64 ms of which 1 ms to minimize.
[2024-05-23 02:52:20] [INFO ] Deduced a trap composed of 22 places in 68 ms of which 1 ms to minimize.
[2024-05-23 02:52:20] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 276 ms
[2024-05-23 02:52:20] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:52:20] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:52:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:52:20] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:20] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 1 ms to minimize.
[2024-05-23 02:52:20] [INFO ] Deduced a trap composed of 27 places in 63 ms of which 0 ms to minimize.
[2024-05-23 02:52:20] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 148 ms
[2024-05-23 02:52:20] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 14 ms.
[2024-05-23 02:52:20] [INFO ] Added : 1 causal constraints over 1 iterations in 29 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[825, 106, 38, 257, 37, 232, 87, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[825, 106, 38, 257, 37, 232, 87, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 02:52:20] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:20] [INFO ] Invariant cache hit.
[2024-05-23 02:52:21] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-23 02:52:21] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:21] [INFO ] Invariant cache hit.
[2024-05-23 02:52:21] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:52:21] [INFO ] Implicit Places using invariants and state equation in 128 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
[2024-05-23 02:52:21] [INFO ] Redundant transitions in 2 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-23 02:52:21] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:21] [INFO ] Invariant cache hit.
[2024-05-23 02:52:21] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3923 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 6954 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11018ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11021ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11232 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-23 02:52:32] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 67 ms. (steps per millisecond=149 ) properties (out of 9) seen :[6, 5, 5, 7, 4, 5, 4, 6, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[825, 106, 38, 257, 37, 232, 87, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:52:32] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:32] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[825, 106, 38, 257, 37, 232, 87, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1073 ms. (931 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6709 ms. (1341 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:52:40] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:40] [INFO ] Invariant cache hit.
[2024-05-23 02:52:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:40] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:52:40] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:52:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:40] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:52:40] [INFO ] Deduced a trap composed of 27 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:52:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
[2024-05-23 02:52:40] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-23 02:52:40] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:52:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:40] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:52:40] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-23 02:52:40] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:52:40] [INFO ] Added : 8 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:52:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:52:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:40] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:52:40] [INFO ] Deduced a trap composed of 26 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:52:40] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:52:40] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-23 02:52:40] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:52:41] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:41] [INFO ] Deduced a trap composed of 32 places in 47 ms of which 1 ms to minimize.
[2024-05-23 02:52:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:52:41] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:52:41] [INFO ] Added : 8 causal constraints over 3 iterations in 39 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Added 32 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:52:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:52:41] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:52:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-23 02:52:41] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:52:41] [INFO ] Added : 2 causal constraints over 1 iterations in 26 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:41] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:52:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:52:41] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:52:41] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Absence check using state equation in 41 ms returned sat
[2024-05-23 02:52:41] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 34 places in 51 ms of which 1 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 24 places in 41 ms of which 1 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 108 ms
[2024-05-23 02:52:42] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 11 ms.
[2024-05-23 02:52:42] [INFO ] Added : 7 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:52:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 22 places in 47 ms of which 1 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 0 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 212 ms
[2024-05-23 02:52:42] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:52:42] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:52:42] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:52:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:52:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 1 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Deduced a trap composed of 27 places in 47 ms of which 1 ms to minimize.
[2024-05-23 02:52:42] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 116 ms
[2024-05-23 02:52:42] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:52:42] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 5 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 02:52:42] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:42] [INFO ] Invariant cache hit.
[2024-05-23 02:52:43] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-23 02:52:43] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:43] [INFO ] Invariant cache hit.
[2024-05-23 02:52:43] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:52:43] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
[2024-05-23 02:52:43] [INFO ] Redundant transitions in 2 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-23 02:52:43] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:43] [INFO ] Invariant cache hit.
[2024-05-23 02:52:43] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 4032 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 6912 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11098ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11102ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11304 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-23 02:52:54] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=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 9) seen :[15, 2, 5, 3, 5, 4, 4, 11, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:52:54] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:52:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000003 steps (2 resets) in 1026 ms. (973 steps per ms)
BEST_FIRST walk for 9000009 steps (18 resets) in 6484 ms. (1387 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:53:01] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:53:01] [INFO ] Invariant cache hit.
[2024-05-23 02:53:01] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:53:01] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:53:01] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:53:01] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:53:02] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:53:02] [INFO ] Deduced a trap composed of 27 places in 62 ms of which 1 ms to minimize.
[2024-05-23 02:53:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 136 ms
[2024-05-23 02:53:02] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:53:02] [INFO ] Added : 1 causal constraints over 1 iterations in 31 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:53:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:02] [INFO ] Deduced a trap composed of 32 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:53:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 70 ms
[2024-05-23 02:53:02] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:53:02] [INFO ] Added : 8 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:53:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Real]Absence check using state equation in 37 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:53:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:53:02] [INFO ] Deduced a trap composed of 26 places in 72 ms of which 1 ms to minimize.
[2024-05-23 02:53:02] [INFO ] Deduced a trap composed of 34 places in 66 ms of which 1 ms to minimize.
[2024-05-23 02:53:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 152 ms
[2024-05-23 02:53:02] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:53:02] [INFO ] Added : 2 causal constraints over 1 iterations in 23 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:53:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:53:02] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:03] [INFO ] Deduced a trap composed of 32 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:53:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-23 02:53:03] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:53:03] [INFO ] Added : 8 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 02:53:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Real]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:53:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:53:03] [INFO ] Deduced a trap composed of 34 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:53:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:53:03] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:53:03] [INFO ] Added : 2 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:53:03] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:03] [INFO ] Deduced a trap composed of 32 places in 55 ms of which 0 ms to minimize.
[2024-05-23 02:53:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2024-05-23 02:53:03] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 13 ms.
[2024-05-23 02:53:03] [INFO ] Added : 1 causal constraints over 1 iterations in 28 ms. Result :sat
Minimization took 23 ms.
[2024-05-23 02:53:03] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:53:03] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:03] [INFO ] Deduced a trap composed of 34 places in 60 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Deduced a trap composed of 24 places in 99 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 173 ms
[2024-05-23 02:53:04] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:53:04] [INFO ] Added : 7 causal constraints over 3 iterations in 37 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:53:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Nat]Absence check using state equation in 42 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:53:04] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Deduced a trap composed of 22 places in 57 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 253 ms
[2024-05-23 02:53:04] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:53:04] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
[2024-05-23 02:53:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Real]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:53:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:53:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:53:04] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:53:04] [INFO ] Deduced a trap composed of 28 places in 61 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Deduced a trap composed of 27 places in 68 ms of which 1 ms to minimize.
[2024-05-23 02:53:04] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 161 ms
[2024-05-23 02:53:04] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 19 ms.
[2024-05-23 02:53:04] [INFO ] Added : 1 causal constraints over 1 iterations in 40 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 9 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 97/97 places, 236/236 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Applied a total of 0 rules in 4 ms. Remains 97 /97 variables (removed 0) and now considering 236/236 (removed 0) transitions.
[2024-05-23 02:53:05] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:53:05] [INFO ] Invariant cache hit.
[2024-05-23 02:53:05] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 02:53:05] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:53:05] [INFO ] Invariant cache hit.
[2024-05-23 02:53:05] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:53:05] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
[2024-05-23 02:53:05] [INFO ] Redundant transitions in 0 ms returned []
Running 234 sub problems to find dead transitions.
[2024-05-23 02:53:05] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:53:05] [INFO ] Invariant cache hit.
[2024-05-23 02:53:05] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 234 unsolved in 3959 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 234 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/97 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/97 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 2 (OVERLAPS) 157/254 variables, 97/100 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/254 variables, 32/132 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/254 variables, 234/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
At refinement iteration 6 (OVERLAPS) 0/254 variables, 0/366 constraints. Problems are: Problem set: 0 solved, 234 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 366 constraints, problems are : Problem set: 0 solved, 234 unsolved in 7289 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 234/234 constraints, Known Traps: 0/0 constraints]
After SMT, in 11425ms problems are : Problem set: 0 solved, 234 unsolved
Search for dead transitions found 0 dead transitions in 11428ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11636 ms. Remains : 97/97 places, 236/236 transitions.
[2024-05-23 02:53:16] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
Found an invariant !
This invariant on transitions {24=1, 33=1, 76=1, 88=1, 111=1, 140=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {28=1, 71=1, 122=1, 152=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 9) seen :[14, 3, 1, 4, 8, 7, 3, 10, 13]
Current structural bounds on expressions (after cover walk) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40001 steps (8 resets) in 801 ms. (49 steps per ms) remains 8/9 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 64 ms. (615 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 104 ms. (380 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 92 ms. (430 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 103 ms. (384 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40004 steps (8 resets) in 113 ms. (350 steps per ms) remains 8/8 properties
BEST_FIRST walk for 40003 steps (8 resets) in 99 ms. (400 steps per ms) remains 8/8 properties
[2024-05-23 02:53:17] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:53:17] [INFO ] Invariant cache hit.
[2024-05-23 02:53:17] [INFO ] State equation strengthened by 32 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 95/127 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 8 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/127 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (OVERLAPS) 4/131 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/131 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/131 variables, 0/32 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (OVERLAPS) 103/234 variables, 57/89 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/234 variables, 28/117 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/234 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (OVERLAPS) 6/240 variables, 1/118 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/240 variables, 0/118 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 14/254 variables, 13/131 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/254 variables, 1/132 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (OVERLAPS) 0/254 variables, 0/132 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Real declared 254/254 variables, and 132 constraints, problems are : Problem set: 0 solved, 8 unsolved in 253 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 8 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/8 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 1 (OVERLAPS) 24/32 variables, 8/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/32 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 3 (OVERLAPS) 95/127 variables, 17/25 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/127 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/127 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/127 variables, 5/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/127 variables, 0/34 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 8 (OVERLAPS) 4/131 variables, 1/35 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/131 variables, 2/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/131 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 11 (OVERLAPS) 103/234 variables, 57/94 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/234 variables, 28/122 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/234 variables, 3/125 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/234 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 15 (OVERLAPS) 6/240 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/240 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 17 (OVERLAPS) 14/254 variables, 13/139 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/254 variables, 1/140 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/254 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 8 unsolved
At refinement iteration 20 (OVERLAPS) 0/254 variables, 0/140 constraints. Problems are: Problem set: 0 solved, 8 unsolved
No progress, stopping.
After SMT solving in domain Int declared 254/254 variables, and 140 constraints, problems are : Problem set: 0 solved, 8 unsolved in 325 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 97/97 constraints, ReadFeed: 32/32 constraints, PredecessorRefiner: 8/8 constraints, Known Traps: 0/0 constraints]
After SMT, in 587ms problems are : Problem set: 0 solved, 8 unsolved
Fused 8 Parikh solutions to 6 different solutions.
Parikh walk visited 2 properties in 41832 ms.
Support contains 6 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 94 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 94 transition count 231
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 92 transition count 227
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 92 transition count 227
Applied a total of 10 rules in 7 ms. Remains 92 /97 variables (removed 5) and now considering 227/236 (removed 9) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 92/97 places, 227/236 transitions.
RANDOM walk for 40011 steps (8 resets) in 112 ms. (354 steps per ms) remains 5/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 29 ms. (1333 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 5/5 properties
BEST_FIRST walk for 40003 steps (8 resets) in 34 ms. (1142 steps per ms) remains 5/5 properties
[2024-05-23 02:53:59] [INFO ] Flow matrix only has 146 transitions (discarded 81 similar events)
// Phase 1: matrix 146 rows 92 cols
[2024-05-23 02:53:59] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:53:59] [INFO ] State equation strengthened by 25 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 16/21 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 90/111 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (OVERLAPS) 4/115 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/115 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (OVERLAPS) 103/218 variables, 57/83 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/218 variables, 22/105 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/218 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (OVERLAPS) 6/224 variables, 1/106 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/224 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 14/238 variables, 13/119 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/238 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/238 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (OVERLAPS) 0/238 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Real declared 238/238 variables, and 120 constraints, problems are : Problem set: 0 solved, 5 unsolved in 163 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 5 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/5 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 1 (OVERLAPS) 16/21 variables, 5/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/21 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 3 (OVERLAPS) 90/111 variables, 15/20 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/111 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/111 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/111 variables, 4/27 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/111 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 8 (OVERLAPS) 4/115 variables, 1/28 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 2/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/115 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 11 (OVERLAPS) 103/218 variables, 57/87 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/218 variables, 22/109 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/218 variables, 1/110 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/218 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 15 (OVERLAPS) 6/224 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/224 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 17 (OVERLAPS) 14/238 variables, 13/124 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/238 variables, 1/125 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/238 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 5 unsolved
At refinement iteration 20 (OVERLAPS) 0/238 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 5 unsolved
No progress, stopping.
After SMT solving in domain Int declared 238/238 variables, and 125 constraints, problems are : Problem set: 0 solved, 5 unsolved in 219 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 25/25 constraints, PredecessorRefiner: 5/5 constraints, Known Traps: 0/0 constraints]
After SMT, in 388ms problems are : Problem set: 0 solved, 5 unsolved
Fused 5 Parikh solutions to 3 different solutions.
Parikh walk visited 1 properties in 33565 ms.
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 227/227 transitions.
Graph (complete) has 393 edges and 92 vertex of which 89 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 89 transition count 222
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 7 place count 88 transition count 220
Iterating global reduction 1 with 1 rules applied. Total rules applied 8 place count 88 transition count 220
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 9 place count 87 transition count 218
Iterating global reduction 1 with 1 rules applied. Total rules applied 10 place count 87 transition count 218
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 11 place count 86 transition count 216
Iterating global reduction 1 with 1 rules applied. Total rules applied 12 place count 86 transition count 216
Applied a total of 12 rules in 31 ms. Remains 86 /92 variables (removed 6) and now considering 216/227 (removed 11) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 31 ms. Remains : 86/92 places, 216/227 transitions.
RANDOM walk for 40000 steps (8 resets) in 94 ms. (421 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 32 ms. (1212 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 458711 steps, run timeout after 3001 ms. (steps per millisecond=152 ) properties seen :0 out of 4
Probabilistic random walk after 458711 steps, saw 285542 distinct states, run finished after 3005 ms. (steps per millisecond=152 ) properties seen :0
[2024-05-23 02:54:37] [INFO ] Flow matrix only has 135 transitions (discarded 81 similar events)
// Phase 1: matrix 135 rows 86 cols
[2024-05-23 02:54:37] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 02:54:37] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 82/99 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 5/104 variables, 1/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/104 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 100/204 variables, 57/78 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/204 variables, 19/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/204 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 6/210 variables, 1/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/210 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 11/221 variables, 11/109 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/221 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 0/221 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 221/221 variables, and 109 constraints, problems are : Problem set: 0 solved, 4 unsolved in 140 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 13/17 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/17 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 82/99 variables, 13/17 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/99 variables, 1/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/99 variables, 1/19 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/99 variables, 3/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/99 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (OVERLAPS) 5/104 variables, 1/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/104 variables, 1/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/104 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (OVERLAPS) 100/204 variables, 57/81 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/204 variables, 19/100 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/204 variables, 1/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 6/210 variables, 1/102 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/210 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 11/221 variables, 11/113 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/221 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/221 variables, 0/113 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 221/221 variables, and 113 constraints, problems are : Problem set: 0 solved, 4 unsolved in 176 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 322ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 0 ms.
Support contains 4 out of 86 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 216/216 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 216/216 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 86/86 places, 216/216 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 86/86 places, 216/216 transitions.
Applied a total of 0 rules in 4 ms. Remains 86 /86 variables (removed 0) and now considering 216/216 (removed 0) transitions.
[2024-05-23 02:54:37] [INFO ] Flow matrix only has 135 transitions (discarded 81 similar events)
[2024-05-23 02:54:37] [INFO ] Invariant cache hit.
[2024-05-23 02:54:37] [INFO ] Implicit Places using invariants in 68 ms returned []
[2024-05-23 02:54:37] [INFO ] Flow matrix only has 135 transitions (discarded 81 similar events)
[2024-05-23 02:54:37] [INFO ] Invariant cache hit.
[2024-05-23 02:54:37] [INFO ] State equation strengthened by 20 read => feed constraints.
[2024-05-23 02:54:37] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 184 ms to find 0 implicit places.
[2024-05-23 02:54:37] [INFO ] Redundant transitions in 0 ms returned []
Running 214 sub problems to find dead transitions.
[2024-05-23 02:54:37] [INFO ] Flow matrix only has 135 transitions (discarded 81 similar events)
[2024-05-23 02:54:37] [INFO ] Invariant cache hit.
[2024-05-23 02:54:37] [INFO ] State equation strengthened by 20 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (OVERLAPS) 135/221 variables, 86/89 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/221 variables, 20/109 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (OVERLAPS) 0/221 variables, 0/109 constraints. Problems are: Problem set: 0 solved, 214 unsolved
No progress, stopping.
After SMT solving in domain Real declared 221/221 variables, and 109 constraints, problems are : Problem set: 0 solved, 214 unsolved in 3325 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 214 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/86 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/86 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 2 (OVERLAPS) 135/221 variables, 86/89 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/221 variables, 20/109 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/221 variables, 214/323 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/221 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 214 unsolved
At refinement iteration 6 (OVERLAPS) 0/221 variables, 0/323 constraints. Problems are: Problem set: 0 solved, 214 unsolved
No progress, stopping.
After SMT solving in domain Int declared 221/221 variables, and 323 constraints, problems are : Problem set: 0 solved, 214 unsolved in 6178 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 86/86 constraints, ReadFeed: 20/20 constraints, PredecessorRefiner: 214/214 constraints, Known Traps: 0/0 constraints]
After SMT, in 9630ms problems are : Problem set: 0 solved, 214 unsolved
Search for dead transitions found 0 dead transitions in 9634ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9827 ms. Remains : 86/86 places, 216/216 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 81 transitions
Reduce isomorphic transitions removed 81 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 87 rules applied. Total rules applied 87 place count 86 transition count 129
Reduce places removed 6 places and 0 transitions.
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 1
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 80 transition count 128
Reduce places removed 1 places and 0 transitions.
Iterating post reduction 2 with 1 rules applied. Total rules applied 95 place count 79 transition count 128
Performed 15 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 15 Pre rules applied. Total rules applied 95 place count 79 transition count 113
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 125 place count 64 transition count 113
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 3 with 32 rules applied. Total rules applied 157 place count 48 transition count 97
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 164 place count 41 transition count 83
Iterating global reduction 3 with 7 rules applied. Total rules applied 171 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 178 place count 34 transition count 69
Iterating global reduction 3 with 7 rules applied. Total rules applied 185 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 192 place count 27 transition count 55
Iterating global reduction 3 with 7 rules applied. Total rules applied 199 place count 27 transition count 55
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 3 with 7 rules applied. Total rules applied 206 place count 27 transition count 48
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 4 with 1 Pre rules applied. Total rules applied 206 place count 27 transition count 47
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 208 place count 26 transition count 47
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 210 place count 25 transition count 47
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 212 place count 25 transition count 45
Applied a total of 212 rules in 23 ms. Remains 25 /86 variables (removed 61) and now considering 45/216 (removed 171) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 45 rows 25 cols
[2024-05-23 02:54:47] [INFO ] Computed 3 invariants in 3 ms
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:54:47] [INFO ] After 43ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2024-05-23 02:54:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:54:47] [INFO ] After 15ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2024-05-23 02:54:47] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:54:47] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2024-05-23 02:54:47] [INFO ] After 18ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2024-05-23 02:54:47] [INFO ] After 70ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 152 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[825, 106, 38, 257, 37, 238, 90, 784, 803] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:54:47] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:54:47] [INFO ] Computed 3 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 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[17] Max Struct:[+inf]
[2024-05-23 02:54:47] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:54:47] [INFO ] Invariant cache hit.
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:54:47] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:54:47] [INFO ] [Real]Added 32 Read/Feed constraints in 6 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 state equation in 29 ms returned sat
[2024-05-23 02:54:47] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:54:47] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:54:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-23 02:54:47] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:54:47] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[17] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[17] Max Struct:[+inf]
Support contains 1 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 91 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 91 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 16 place count 86 transition count 216
Iterating global reduction 1 with 5 rules applied. Total rules applied 21 place count 86 transition count 216
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 83 transition count 208
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 83 transition count 208
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 81 transition count 204
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 36 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 37 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 38 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 42 place count 75 transition count 190
Iterating global reduction 1 with 1 rules applied. Total rules applied 43 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 44 place count 74 transition count 188
Iterating global reduction 1 with 1 rules applied. Total rules applied 45 place count 74 transition count 188
Applied a total of 45 rules in 23 ms. Remains 74 /97 variables (removed 23) and now considering 188/236 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 24 ms. Remains : 74/97 places, 188/236 transitions.
[2024-05-23 02:54:47] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[12]
Current structural bounds on expressions (after cover walk) : Max Seen:[17] Max Struct:[+inf]
[2024-05-23 02:54:47] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-23 02:54:47] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[17] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 875 ms. (1141 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2217] Max Struct:[+inf]
[2024-05-23 02:54:49] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:54:49] [INFO ] Invariant cache hit.
[2024-05-23 02:54:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:54:49] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:54:49] [INFO ] [Real]Added 17 Read/Feed constraints in 2 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 1 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:54:49] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:54:49] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 1 ms to minimize.
[2024-05-23 02:54:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 52 ms
[2024-05-23 02:54:49] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 7 ms.
[2024-05-23 02:54:49] [INFO ] Deduced a trap composed of 26 places in 46 ms of which 1 ms to minimize.
[2024-05-23 02:54:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-23 02:54:49] [INFO ] Added : 6 causal constraints over 4 iterations in 92 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2217] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[3559] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:54:51] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:54:51] [INFO ] Invariant cache hit.
[2024-05-23 02:54:51] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 02:54:51] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:54:51] [INFO ] Invariant cache hit.
[2024-05-23 02:54:51] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:54:51] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 158 ms to find 0 implicit places.
[2024-05-23 02:54:51] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:54:51] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:54:51] [INFO ] Invariant cache hit.
[2024-05-23 02:54:51] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2467 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4864 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7426ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7428ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7595 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:54:59] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[11]
Current structural bounds on expressions (after cover walk) : Max Seen:[3559] Max Struct:[+inf]
[2024-05-23 02:54:59] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:54:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[3559] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 940 ms. (1062 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 619 ms. (1612 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[3559] Max Struct:[+inf]
[2024-05-23 02:55:00] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:00] [INFO ] Invariant cache hit.
[2024-05-23 02:55:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:00] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:55:00] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:55:00] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:55:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:00] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-23 02:55:00] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:55:00] [INFO ] Deduced a trap composed of 20 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:55:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2024-05-23 02:55:00] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 8 ms.
[2024-05-23 02:55:01] [INFO ] Deduced a trap composed of 26 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:55:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-23 02:55:01] [INFO ] Added : 6 causal constraints over 4 iterations in 97 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[3559] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6236] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 7 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:55:04] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:04] [INFO ] Invariant cache hit.
[2024-05-23 02:55:04] [INFO ] Implicit Places using invariants in 106 ms returned []
[2024-05-23 02:55:04] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:04] [INFO ] Invariant cache hit.
[2024-05-23 02:55:04] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:55:04] [INFO ] Implicit Places using invariants and state equation in 176 ms returned []
Implicit Place search using SMT with State Equation took 315 ms to find 0 implicit places.
[2024-05-23 02:55:04] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:55:04] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:04] [INFO ] Invariant cache hit.
[2024-05-23 02:55:04] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2481 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4828 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7448ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7450ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7775 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:55:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[6236] Max Struct:[+inf]
[2024-05-23 02:55:12] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[6236] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 934 ms. (1069 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 584 ms. (1709 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[6236] Max Struct:[+inf]
[2024-05-23 02:55:13] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:13] [INFO ] Invariant cache hit.
[2024-05-23 02:55:13] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:13] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:55:13] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:55:13] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:55:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:13] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:55:13] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:55:13] [INFO ] Deduced a trap composed of 20 places in 72 ms of which 1 ms to minimize.
[2024-05-23 02:55:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2024-05-23 02:55:13] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 5 ms.
[2024-05-23 02:55:13] [INFO ] Deduced a trap composed of 26 places in 58 ms of which 1 ms to minimize.
[2024-05-23 02:55:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 79 ms
[2024-05-23 02:55:13] [INFO ] Added : 6 causal constraints over 4 iterations in 113 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6236] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[10243] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:55:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:19] [INFO ] Invariant cache hit.
[2024-05-23 02:55:19] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 02:55:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:19] [INFO ] Invariant cache hit.
[2024-05-23 02:55:19] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:55:19] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2024-05-23 02:55:19] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:55:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:19] [INFO ] Invariant cache hit.
[2024-05-23 02:55:19] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2482 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4966 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7552ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7554ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7730 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:55:27] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[16]
Current structural bounds on expressions (after cover walk) : Max Seen:[10243] Max Struct:[+inf]
[2024-05-23 02:55:27] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:27] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[10243] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 897 ms. (1113 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 605 ms. (1650 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[10243] Max Struct:[+inf]
[2024-05-23 02:55:28] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:28] [INFO ] Invariant cache hit.
[2024-05-23 02:55:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:55:28] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:55:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:55:28] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:55:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:28] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:55:28] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:55:28] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 0 ms to minimize.
[2024-05-23 02:55:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2024-05-23 02:55:28] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 7 ms.
[2024-05-23 02:55:28] [INFO ] Deduced a trap composed of 26 places in 43 ms of which 1 ms to minimize.
[2024-05-23 02:55:28] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2024-05-23 02:55:28] [INFO ] Added : 6 causal constraints over 4 iterations in 88 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[10243] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[15276] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:55:37] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:37] [INFO ] Invariant cache hit.
[2024-05-23 02:55:37] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 02:55:37] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:37] [INFO ] Invariant cache hit.
[2024-05-23 02:55:38] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:55:38] [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 02:55:38] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:55:38] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:38] [INFO ] Invariant cache hit.
[2024-05-23 02:55:38] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2470 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4834 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7398ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7399ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7562 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:55:45] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[15276] Max Struct:[+inf]
[2024-05-23 02:55:45] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:45] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[15276] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 934 ms. (1069 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 578 ms. (1727 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[15276] Max Struct:[+inf]
[2024-05-23 02:55:47] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:55:47] [INFO ] Invariant cache hit.
[2024-05-23 02:55:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:47] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:55:47] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:55:47] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:55:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:55:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:55:47] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:55:47] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:55:47] [INFO ] Deduced a trap composed of 20 places in 47 ms of which 1 ms to minimize.
[2024-05-23 02:55:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-23 02:55:47] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 02:55:47] [INFO ] Deduced a trap composed of 26 places in 48 ms of which 0 ms to minimize.
[2024-05-23 02:55:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-23 02:55:47] [INFO ] Added : 6 causal constraints over 4 iterations in 91 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[15276] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[25684] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:56:00] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:56:00] [INFO ] Invariant cache hit.
[2024-05-23 02:56:00] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-23 02:56:00] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:56:00] [INFO ] Invariant cache hit.
[2024-05-23 02:56:00] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:56:00] [INFO ] Implicit Places using invariants and state equation in 93 ms returned []
Implicit Place search using SMT with State Equation took 156 ms to find 0 implicit places.
[2024-05-23 02:56:00] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:56:00] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:56:00] [INFO ] Invariant cache hit.
[2024-05-23 02:56:00] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2482 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4954 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7526ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7528ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7690 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:56:08] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-23 02:56:08] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:56:08] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 911 ms. (1096 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-01 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-01 in 81933 ms.
Starting property specific reduction for FunctionPointer-PT-b032-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 02:56:09] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:56:09] [INFO ] Computed 3 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 18 ms. (526 steps per ms)
BEST_FIRST walk for 10000 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 02:56:09] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:56:09] [INFO ] Invariant cache hit.
[2024-05-23 02:56:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:09] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:56:09] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:56:09] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:09] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:56:09] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:56:09] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:56:09] [INFO ] Added : 10 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 28 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 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 91 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 91 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 16 place count 86 transition count 216
Iterating global reduction 1 with 5 rules applied. Total rules applied 21 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 84 transition count 210
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 84 transition count 210
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 27 place count 82 transition count 206
Iterating global reduction 1 with 2 rules applied. Total rules applied 29 place count 82 transition count 206
Applied a total of 29 rules in 12 ms. Remains 82 /97 variables (removed 15) and now considering 206/236 (removed 30) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 82/97 places, 206/236 transitions.
[2024-05-23 02:56:09] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 35 ms. (steps per millisecond=285 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[3] Max Struct:[+inf]
[2024-05-23 02:56:09] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
// Phase 1: matrix 126 rows 82 cols
[2024-05-23 02:56:09] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 932 ms. (1071 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 656 ms. (1522 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[276] Max Struct:[+inf]
[2024-05-23 02:56:11] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:11] [INFO ] Invariant cache hit.
[2024-05-23 02:56:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:11] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 02:56:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:11] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:11] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:56:11] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:11] [INFO ] Deduced a trap composed of 15 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:56:11] [INFO ] Deduced a trap composed of 18 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:56:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 109 ms
[2024-05-23 02:56:11] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 8 ms.
[2024-05-23 02:56:11] [INFO ] Added : 9 causal constraints over 3 iterations in 36 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[276] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[276] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-23 02:56:11] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:11] [INFO ] Invariant cache hit.
[2024-05-23 02:56:11] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-23 02:56:11] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:11] [INFO ] Invariant cache hit.
[2024-05-23 02:56:11] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:11] [INFO ] Implicit Places using invariants and state equation in 110 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2024-05-23 02:56:11] [INFO ] Redundant transitions in 1 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-23 02:56:11] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:11] [INFO ] Invariant cache hit.
[2024-05-23 02:56:11] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 3118 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 8348ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 8351ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8534 ms. Remains : 82/82 places, 206/206 transitions.
[2024-05-23 02:56:20] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[276] Max Struct:[+inf]
[2024-05-23 02:56:20] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[276] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 968 ms. (1031 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 650 ms. (1536 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[300] Max Struct:[+inf]
[2024-05-23 02:56:21] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:21] [INFO ] Invariant cache hit.
[2024-05-23 02:56:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:21] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:56:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:21] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:21] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:56:22] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:22] [INFO ] Deduced a trap composed of 15 places in 51 ms of which 0 ms to minimize.
[2024-05-23 02:56:22] [INFO ] Deduced a trap composed of 18 places in 41 ms of which 1 ms to minimize.
[2024-05-23 02:56:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2024-05-23 02:56:22] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 11 ms.
[2024-05-23 02:56:22] [INFO ] Added : 9 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[300] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[300] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 10 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-23 02:56:22] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:22] [INFO ] Invariant cache hit.
[2024-05-23 02:56:22] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-23 02:56:22] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:22] [INFO ] Invariant cache hit.
[2024-05-23 02:56:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:22] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
[2024-05-23 02:56:22] [INFO ] Redundant transitions in 0 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-23 02:56:22] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:22] [INFO ] Invariant cache hit.
[2024-05-23 02:56:22] [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, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 3097 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5097 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 8315ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 8317ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8504 ms. Remains : 82/82 places, 206/206 transitions.
[2024-05-23 02:56:30] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 29 ms. (steps per millisecond=344 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[300] Max Struct:[+inf]
[2024-05-23 02:56:30] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[300] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 944 ms. (1058 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 645 ms. (1547 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[300] Max Struct:[+inf]
[2024-05-23 02:56:32] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:32] [INFO ] Invariant cache hit.
[2024-05-23 02:56:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:32] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 02:56:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:32] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:32] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 02:56:32] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:32] [INFO ] Deduced a trap composed of 15 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:56:32] [INFO ] Deduced a trap composed of 18 places in 40 ms of which 1 ms to minimize.
[2024-05-23 02:56:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 96 ms
[2024-05-23 02:56:32] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 71 transitions) in 10 ms.
[2024-05-23 02:56:32] [INFO ] Added : 9 causal constraints over 3 iterations in 38 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[300] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[300] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-23 02:56:32] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:32] [INFO ] Invariant cache hit.
[2024-05-23 02:56:32] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 02:56:32] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:32] [INFO ] Invariant cache hit.
[2024-05-23 02:56:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:32] [INFO ] Implicit Places using invariants and state equation in 111 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2024-05-23 02:56:32] [INFO ] Redundant transitions in 0 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-23 02:56:32] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:32] [INFO ] Invariant cache hit.
[2024-05-23 02:56:32] [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, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 3016 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 5120 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 8247ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 8249ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8431 ms. Remains : 82/82 places, 206/206 transitions.
[2024-05-23 02:56:41] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {30=1, 63=1, 93=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {24=1, 57=1, 87=1, 122=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[300] Max Struct:[+inf]
RANDOM walk for 40003 steps (8 resets) in 112 ms. (354 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 1846264 steps, run timeout after 3001 ms. (steps per millisecond=615 ) properties seen :0 out of 1
Probabilistic random walk after 1846264 steps, saw 1149104 distinct states, run finished after 3001 ms. (steps per millisecond=615 ) properties seen :0
[2024-05-23 02:56:44] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:44] [INFO ] Invariant cache hit.
[2024-05-23 02:56:44] [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) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 74 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 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) 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) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 164ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 435 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
RANDOM walk for 40000 steps (8 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 27 ms. (1428 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1829639 steps, run timeout after 3001 ms. (steps per millisecond=609 ) properties seen :0 out of 1
Probabilistic random walk after 1829639 steps, saw 1138755 distinct states, run finished after 3001 ms. (steps per millisecond=609 ) properties seen :0
[2024-05-23 02:56:47] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:47] [INFO ] Invariant cache hit.
[2024-05-23 02:56:47] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 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) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 0/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 7/105 variables, 2/22 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/105 variables, 3/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 0/25 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 91/196 variables, 53/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/196 variables, 16/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 6/202 variables, 1/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/202 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 6/208 variables, 8/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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) 7/15 variables, 3/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/15 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 10/25 variables, 4/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/25 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 73/98 variables, 8/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/98 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/98 variables, 1/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/98 variables, 0/21 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 7/105 variables, 2/23 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/105 variables, 3/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/105 variables, 0/26 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 91/196 variables, 53/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/196 variables, 16/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/196 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 6/202 variables, 1/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/202 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 6/208 variables, 8/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/208 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 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 161ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 471 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 206/206 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 206/206 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 206/206 (removed 0) transitions.
[2024-05-23 02:56:48] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:48] [INFO ] Invariant cache hit.
[2024-05-23 02:56:48] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 02:56:48] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:48] [INFO ] Invariant cache hit.
[2024-05-23 02:56:48] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:48] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2024-05-23 02:56:48] [INFO ] Redundant transitions in 0 ms returned []
Running 204 sub problems to find dead transitions.
[2024-05-23 02:56:48] [INFO ] Flow matrix only has 126 transitions (discarded 80 similar events)
[2024-05-23 02:56:48] [INFO ] Invariant cache hit.
[2024-05-23 02:56:48] [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, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (OVERLAPS) 0/208 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Real declared 208/208 variables, and 103 constraints, problems are : Problem set: 0 solved, 204 unsolved in 2958 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 204 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 2 (OVERLAPS) 126/208 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/208 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/208 variables, 204/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
At refinement iteration 6 (OVERLAPS) 0/208 variables, 0/307 constraints. Problems are: Problem set: 0 solved, 204 unsolved
No progress, stopping.
After SMT solving in domain Int declared 208/208 variables, and 307 constraints, problems are : Problem set: 0 solved, 204 unsolved in 4784 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 204/204 constraints, Known Traps: 0/0 constraints]
After SMT, in 7865ms problems are : Problem set: 0 solved, 204 unsolved
Search for dead transitions found 0 dead transitions in 7867ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8047 ms. Remains : 82/82 places, 206/206 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 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 86 rules applied. Total rules applied 86 place count 82 transition count 120
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 92 place count 76 transition count 120
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 92 place count 76 transition count 103
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 126 place count 59 transition count 103
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 88
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 74
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 74
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 60
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 60
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 46
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 46
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 39
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 38
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 38
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 38
Applied a total of 211 rules in 19 ms. Remains 20 /82 variables (removed 62) and now considering 38/206 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 38 rows 20 cols
[2024-05-23 02:56:56] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:56:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:56] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 02:56:56] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:56:56] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:56:56] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:56:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:56] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:56:56] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 02:56:56] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:56:56] [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 85 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[300] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-02 in 47294 ms.
Starting property specific reduction for FunctionPointer-PT-b032-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 02:56:56] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:56:56] [INFO ] Computed 3 invariants in 5 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 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:[2] Max Struct:[+inf]
[2024-05-23 02:56:56] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:56:56] [INFO ] Invariant cache hit.
[2024-05-23 02:56:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:56] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:56:56] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:56:56] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:56] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-23 02:56:56] [INFO ] [Nat]Added 32 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:56:56] [INFO ] Deduced a trap composed of 26 places in 53 ms of which 1 ms to minimize.
[2024-05-23 02:56:56] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:56:56] [INFO ] Deduced a trap composed of 22 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:56:56] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 169 ms
[2024-05-23 02:56:56] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:56:56] [INFO ] Added : 2 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 31 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:[4] Max Struct:[+inf]
Support contains 1 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 94 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 94 transition count 231
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 88 transition count 219
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 88 transition count 219
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 21 place count 85 transition count 211
Iterating global reduction 1 with 3 rules applied. Total rules applied 24 place count 85 transition count 211
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 83 transition count 207
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 83 transition count 207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 82 transition count 203
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 82 transition count 203
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 81 transition count 201
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 81 transition count 201
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 33 place count 80 transition count 199
Iterating global reduction 1 with 1 rules applied. Total rules applied 34 place count 80 transition count 199
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 35 place count 79 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 36 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 37 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 38 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 39 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 41 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 42 place count 76 transition count 191
Applied a total of 42 rules in 15 ms. Remains 76 /97 variables (removed 21) and now considering 191/236 (removed 45) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 76/97 places, 191/236 transitions.
[2024-05-23 02:56:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 02:56:57] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 02:56:57] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[4] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 899 ms. (1111 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 547 ms. (1824 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[26] Max Struct:[+inf]
[2024-05-23 02:56:58] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:56:58] [INFO ] Invariant cache hit.
[2024-05-23 02:56:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:56:58] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:56:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:58] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:56:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:56:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:56:58] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:56:58] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:56:58] [INFO ] Deduced a trap composed of 15 places in 43 ms of which 1 ms to minimize.
[2024-05-23 02:56:58] [INFO ] Deduced a trap composed of 21 places in 40 ms of which 1 ms to minimize.
[2024-05-23 02:56:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 97 ms
[2024-05-23 02:56:58] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 02:56:58] [INFO ] Added : 5 causal constraints over 2 iterations in 26 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[26] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:56:58] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:56:58] [INFO ] Invariant cache hit.
[2024-05-23 02:56:58] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 02:56:58] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:56:58] [INFO ] Invariant cache hit.
[2024-05-23 02:56:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:56:59] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 162 ms to find 0 implicit places.
[2024-05-23 02:56:59] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:56:59] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:56:59] [INFO ] Invariant cache hit.
[2024-05-23 02:56:59] [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
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 2652 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 4803 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 7565ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7567ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7736 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:57:06] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 22 ms. (steps per millisecond=454 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[32] Max Struct:[+inf]
[2024-05-23 02:57:06] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[32] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 938 ms. (1064 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 529 ms. (1886 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[32] Max Struct:[+inf]
[2024-05-23 02:57:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:08] [INFO ] Invariant cache hit.
[2024-05-23 02:57:08] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:57:08] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:57:08] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:08] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:57:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:57:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:57:08] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:57:08] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:57:08] [INFO ] Deduced a trap composed of 18 places in 37 ms of which 1 ms to minimize.
[2024-05-23 02:57:08] [INFO ] Deduced a trap composed of 22 places in 67 ms of which 2 ms to minimize.
[2024-05-23 02:57:08] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
[2024-05-23 02:57:08] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 02:57:08] [INFO ] Deduced a trap composed of 25 places in 46 ms of which 1 ms to minimize.
[2024-05-23 02:57:08] [INFO ] Deduced a trap composed of 18 places in 59 ms of which 0 ms to minimize.
[2024-05-23 02:57:08] [INFO ] Deduced a trap composed of 15 places in 58 ms of which 1 ms to minimize.
[2024-05-23 02:57:08] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 187 ms
[2024-05-23 02:57:08] [INFO ] Added : 6 causal constraints over 2 iterations in 215 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[32] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:57:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:08] [INFO ] Invariant cache hit.
[2024-05-23 02:57:08] [INFO ] Implicit Places using invariants in 92 ms returned []
[2024-05-23 02:57:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:08] [INFO ] Invariant cache hit.
[2024-05-23 02:57:08] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:08] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
[2024-05-23 02:57:08] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:57:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:08] [INFO ] Invariant cache hit.
[2024-05-23 02:57:08] [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
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 2733 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 4857 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 7696ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7698ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7912 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:57:16] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[11]
Current structural bounds on expressions (after cover walk) : Max Seen:[32] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 50 ms. (784 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 1926181 steps, run timeout after 3046 ms. (steps per millisecond=632 ) properties seen :0 out of 1
Probabilistic random walk after 1926181 steps, saw 1229198 distinct states, run finished after 3046 ms. (steps per millisecond=632 ) properties seen :0
[2024-05-23 02:57:19] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:19] [INFO ] Invariant cache hit.
[2024-05-23 02:57:19] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 76 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 97 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 214ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 40 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40000 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1898848 steps, run timeout after 3001 ms. (steps per millisecond=632 ) properties seen :0 out of 1
Probabilistic random walk after 1898848 steps, saw 1211228 distinct states, run finished after 3001 ms. (steps per millisecond=632 ) properties seen :0
[2024-05-23 02:57:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:23] [INFO ] Invariant cache hit.
[2024-05-23 02:57:23] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 102 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 72 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 210ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 38 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:57:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:23] [INFO ] Invariant cache hit.
[2024-05-23 02:57:23] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-23 02:57:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:23] [INFO ] Invariant cache hit.
[2024-05-23 02:57:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:23] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 187 ms to find 0 implicit places.
[2024-05-23 02:57:23] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:57:23] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:57:23] [INFO ] Invariant cache hit.
[2024-05-23 02:57:23] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
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 2676 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 4886 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 7679ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7681ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7877 ms. Remains : 76/76 places, 191/191 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 74 transitions
Reduce isomorphic transitions removed 74 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 76 transition count 110
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 88 place count 69 transition count 110
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 88 place count 69 transition count 97
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 114 place count 56 transition count 97
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 144 place count 41 transition count 82
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 151 place count 34 transition count 68
Iterating global reduction 2 with 7 rules applied. Total rules applied 158 place count 34 transition count 68
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 165 place count 27 transition count 54
Iterating global reduction 2 with 7 rules applied. Total rules applied 172 place count 27 transition count 54
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 179 place count 20 transition count 40
Iterating global reduction 2 with 7 rules applied. Total rules applied 186 place count 20 transition count 40
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 193 place count 20 transition count 33
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 193 place count 20 transition count 32
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 195 place count 19 transition count 32
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 197 place count 18 transition count 32
Applied a total of 197 rules in 4 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 02:57:31] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:57:31] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:57:31] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 02:57:31] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:57:31] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:57:31] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:57:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:57:31] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:57:31] [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 02:57:31] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:57:31] [INFO ] After 52ms 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:[32] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-03 in 34679 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-04
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:57:31] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:57:31] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 10 ms. (909 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:[6] Max Struct:[+inf]
[2024-05-23 02:57:31] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:57:31] [INFO ] Invariant cache hit.
[2024-05-23 02:57:31] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:57:31] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:57:31] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:57:31] [INFO ] [Real]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:57:31] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:57:31] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:57:31] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:57:31] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:57:31] [INFO ] Deduced a trap composed of 32 places in 61 ms of which 1 ms to minimize.
[2024-05-23 02:57:31] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 72 ms
[2024-05-23 02:57:31] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 02:57:31] [INFO ] Added : 8 causal constraints over 3 iterations in 42 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[6] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[6] Max Struct:[+inf]
Support contains 1 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 91 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 91 transition count 226
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 17 place count 85 transition count 214
Iterating global reduction 1 with 6 rules applied. Total rules applied 23 place count 85 transition count 214
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 26 place count 82 transition count 206
Iterating global reduction 1 with 3 rules applied. Total rules applied 29 place count 82 transition count 206
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 31 place count 80 transition count 202
Iterating global reduction 1 with 2 rules applied. Total rules applied 33 place count 80 transition count 202
Applied a total of 33 rules in 10 ms. Remains 80 /97 variables (removed 17) and now considering 202/236 (removed 34) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 80/97 places, 202/236 transitions.
[2024-05-23 02:57:31] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:57:31] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
// Phase 1: matrix 124 rows 80 cols
[2024-05-23 02:57:31] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 951 ms. (1050 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 614 ms. (1626 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[694] Max Struct:[+inf]
[2024-05-23 02:57:33] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:33] [INFO ] Invariant cache hit.
[2024-05-23 02:57:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:57:33] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:57:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:33] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:57:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:57:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:57:33] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:57:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:57:33] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 7 ms.
[2024-05-23 02:57:33] [INFO ] Added : 9 causal constraints over 3 iterations in 33 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[694] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[694] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-23 02:57:35] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:35] [INFO ] Invariant cache hit.
[2024-05-23 02:57:35] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-23 02:57:35] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:35] [INFO ] Invariant cache hit.
[2024-05-23 02:57:35] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:35] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2024-05-23 02:57:35] [INFO ] Redundant transitions in 0 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-23 02:57:35] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:35] [INFO ] Invariant cache hit.
[2024-05-23 02:57:35] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 2887 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 301 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5282 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
After SMT, in 8318ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 8321ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8527 ms. Remains : 80/80 places, 202/202 transitions.
[2024-05-23 02:57:43] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[694] Max Struct:[+inf]
[2024-05-23 02:57:43] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:43] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[694] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 919 ms. (1086 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 585 ms. (1706 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[705] Max Struct:[+inf]
[2024-05-23 02:57:45] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:45] [INFO ] Invariant cache hit.
[2024-05-23 02:57:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:57:45] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 02:57:45] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:45] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:57:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:57:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:57:45] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:57:45] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:57:45] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 7 ms.
[2024-05-23 02:57:45] [INFO ] Added : 9 causal constraints over 3 iterations in 35 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[705] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[705] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-23 02:57:47] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:47] [INFO ] Invariant cache hit.
[2024-05-23 02:57:47] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-23 02:57:47] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:47] [INFO ] Invariant cache hit.
[2024-05-23 02:57:47] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:47] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 198 ms to find 0 implicit places.
[2024-05-23 02:57:47] [INFO ] Redundant transitions in 0 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-23 02:57:47] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:47] [INFO ] Invariant cache hit.
[2024-05-23 02:57:47] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 2889 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 301 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5334 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
After SMT, in 8375ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 8377ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8583 ms. Remains : 80/80 places, 202/202 transitions.
[2024-05-23 02:57:55] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=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 :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[705] Max Struct:[+inf]
[2024-05-23 02:57:55] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:55] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[705] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 936 ms. (1067 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 587 ms. (1700 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[705] Max Struct:[+inf]
[2024-05-23 02:57:57] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:57] [INFO ] Invariant cache hit.
[2024-05-23 02:57:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:57:57] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:57:57] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:57] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:57:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:57:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:57:57] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:57:57] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:57:57] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 69 transitions) in 7 ms.
[2024-05-23 02:57:57] [INFO ] Added : 9 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[705] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[705] Max Struct:[+inf]
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-23 02:57:59] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:59] [INFO ] Invariant cache hit.
[2024-05-23 02:57:59] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-23 02:57:59] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:59] [INFO ] Invariant cache hit.
[2024-05-23 02:57:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:57:59] [INFO ] Implicit Places using invariants and state equation in 115 ms returned []
Implicit Place search using SMT with State Equation took 220 ms to find 0 implicit places.
[2024-05-23 02:57:59] [INFO ] Redundant transitions in 0 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-23 02:57:59] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:57:59] [INFO ] Invariant cache hit.
[2024-05-23 02:57:59] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 2949 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 301 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5502 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
After SMT, in 8584ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 8588ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8816 ms. Remains : 80/80 places, 202/202 transitions.
[2024-05-23 02:58:07] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
Found an invariant !
This invariant on transitions {27=1, 58=1, 104=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 60=1, 90=1, 119=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 :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[705] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2015122 steps, run timeout after 3001 ms. (steps per millisecond=671 ) properties seen :0 out of 1
Probabilistic random walk after 2015122 steps, saw 1254208 distinct states, run finished after 3001 ms. (steps per millisecond=671 ) properties seen :0
[2024-05-23 02:58:10] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:58:10] [INFO ] Invariant cache hit.
[2024-05-23 02:58:10] [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) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/93 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 96/189 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 17/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 9/204 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 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) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/93 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 96/189 variables, 55/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 17/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/204 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 177ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 882 ms.
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 9 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 80/80 places, 202/202 transitions.
RANDOM walk for 40004 steps (8 resets) in 102 ms. (388 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 34 ms. (1142 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2001718 steps, run timeout after 3001 ms. (steps per millisecond=667 ) properties seen :0 out of 1
Probabilistic random walk after 2001718 steps, saw 1245865 distinct states, run finished after 3001 ms. (steps per millisecond=667 ) properties seen :0
[2024-05-23 02:58:15] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:58:15] [INFO ] Invariant cache hit.
[2024-05-23 02:58:15] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 7/93 variables, 2/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/93 variables, 3/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 96/189 variables, 55/73 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/189 variables, 17/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 6/195 variables, 1/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/195 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 9/204 variables, 10/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 68 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 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) 9/13 variables, 3/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/13 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 73/86 variables, 8/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/86 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/86 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/86 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 7/93 variables, 2/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/93 variables, 3/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/93 variables, 0/19 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 96/189 variables, 55/74 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/189 variables, 17/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/189 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 6/195 variables, 1/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/195 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 9/204 variables, 10/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/204 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 102 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 180ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 882 ms.
Support contains 1 out of 80 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 3 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 80/80 places, 202/202 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 80/80 places, 202/202 transitions.
Applied a total of 0 rules in 2 ms. Remains 80 /80 variables (removed 0) and now considering 202/202 (removed 0) transitions.
[2024-05-23 02:58:16] [INFO ] Flow matrix only has 124 transitions (discarded 78 similar events)
[2024-05-23 02:58:16] [INFO ] Invariant cache hit.
[2024-05-23 02:58:16] [INFO ] Implicit Places using invariants in 86 ms returned []
[2024-05-23 02:58:16] [INFO ] Flow matrix only has 124 transitions (discarded 78 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 02:58:16] [INFO ] Implicit Places using invariants and state equation in 175 ms returned []
Implicit Place search using SMT with State Equation took 284 ms to find 0 implicit places.
[2024-05-23 02:58:16] [INFO ] Redundant transitions in 1 ms returned []
Running 200 sub problems to find dead transitions.
[2024-05-23 02:58:16] [INFO ] Flow matrix only has 124 transitions (discarded 78 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.
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (OVERLAPS) 0/204 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Real declared 204/204 variables, and 101 constraints, problems are : Problem set: 0 solved, 200 unsolved in 2917 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 200 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/80 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/80 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 2 (OVERLAPS) 124/204 variables, 80/83 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/204 variables, 18/101 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/204 variables, 200/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
At refinement iteration 6 (OVERLAPS) 0/204 variables, 0/301 constraints. Problems are: Problem set: 0 solved, 200 unsolved
No progress, stopping.
After SMT solving in domain Int declared 204/204 variables, and 301 constraints, problems are : Problem set: 0 solved, 200 unsolved in 5340 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 80/80 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 200/200 constraints, Known Traps: 0/0 constraints]
After SMT, in 8385ms problems are : Problem set: 0 solved, 200 unsolved
Search for dead transitions found 0 dead transitions in 8387ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8677 ms. Remains : 80/80 places, 202/202 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 78 transitions
Reduce isomorphic transitions removed 78 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 84 rules applied. Total rules applied 84 place count 80 transition count 118
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 90 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 90 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 122 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 152 place count 43 transition count 87
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 159 place count 36 transition count 73
Iterating global reduction 2 with 7 rules applied. Total rules applied 166 place count 36 transition count 73
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 173 place count 29 transition count 59
Iterating global reduction 2 with 7 rules applied. Total rules applied 180 place count 29 transition count 59
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 187 place count 22 transition count 45
Iterating global reduction 2 with 7 rules applied. Total rules applied 194 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 201 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 201 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 203 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 205 place count 20 transition count 37
Applied a total of 205 rules in 12 ms. Remains 20 /80 variables (removed 60) and now considering 37/202 (removed 165) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 37 rows 20 cols
[2024-05-23 02:58:24] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:58:24] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:58:24] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 02:58:24] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:58:24] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:58:24] [INFO ] After 36ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:58:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:24] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:58:24] [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 02:58:24] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:58:24] [INFO ] After 41ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 92 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[705] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-04 in 53643 ms.
Starting property specific reduction for FunctionPointer-PT-b032-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 02:58:24] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:58:24] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 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:[12] Max Struct:[+inf]
[2024-05-23 02:58:24] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:58:24] [INFO ] Invariant cache hit.
[2024-05-23 02:58:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:25] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:58:25] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:58:25] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:25] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:58:25] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:25] [INFO ] Deduced a trap composed of 34 places in 54 ms of which 2 ms to minimize.
[2024-05-23 02:58:25] [INFO ] Deduced a trap composed of 23 places in 46 ms of which 1 ms to minimize.
[2024-05-23 02:58:25] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:58:25] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 186 ms
[2024-05-23 02:58:25] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 20 ms.
[2024-05-23 02:58:25] [INFO ] Added : 2 causal constraints over 1 iterations in 36 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[32] Max Struct:[+inf]
Support contains 1 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 94 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 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 94 transition count 231
Discarding 6 places :
Symmetric choice reduction at 1 with 6 rule applications. Total rules 12 place count 88 transition count 219
Iterating global reduction 1 with 6 rules applied. Total rules applied 18 place count 88 transition count 219
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 21 place count 85 transition count 211
Iterating global reduction 1 with 3 rules applied. Total rules applied 24 place count 85 transition count 211
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 83 transition count 207
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 83 transition count 207
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 82 transition count 203
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 82 transition count 203
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 81 transition count 201
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 81 transition count 201
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 33 place count 80 transition count 199
Iterating global reduction 1 with 1 rules applied. Total rules applied 34 place count 80 transition count 199
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 35 place count 79 transition count 197
Iterating global reduction 1 with 1 rules applied. Total rules applied 36 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 37 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 38 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 39 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 40 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 41 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 42 place count 76 transition count 191
Applied a total of 42 rules in 8 ms. Remains 76 /97 variables (removed 21) and now considering 191/236 (removed 45) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 76/97 places, 191/236 transitions.
[2024-05-23 02:58:25] [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 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[32] Max Struct:[+inf]
[2024-05-23 02:58:25] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 02:58:25] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[32] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 930 ms. (1074 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 527 ms. (1893 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[49] Max Struct:[+inf]
[2024-05-23 02:58:26] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:26] [INFO ] Invariant cache hit.
[2024-05-23 02:58:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:27] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:58:27] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:27] [INFO ] [Real]Added 18 Read/Feed constraints in 14 ms returned sat
[2024-05-23 02:58:27] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:27] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:27] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:58:27] [INFO ] [Nat]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:27] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:58:27] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 50 ms
[2024-05-23 02:58:27] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 02:58:27] [INFO ] Added : 6 causal constraints over 3 iterations in 31 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[49] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[49] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:58:27] [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 ] Implicit Places using invariants in 69 ms returned []
[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.
[2024-05-23 02:58:27] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
[2024-05-23 02:58:27] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[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) 0/76 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, 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 2637 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 4706 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 7439ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7441ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7639 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:58:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[49] Max Struct:[+inf]
[2024-05-23 02:58:34] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:34] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[49] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 893 ms. (1118 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 511 ms. (1953 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[49] Max Struct:[+inf]
[2024-05-23 02:58:36] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:36] [INFO ] Invariant cache hit.
[2024-05-23 02:58:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:36] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:58:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:36] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:36] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 02:58:36] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:36] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:58:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:58:36] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 02:58:36] [INFO ] Added : 6 causal constraints over 3 iterations in 34 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[49] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[49] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:58:36] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:36] [INFO ] Invariant cache hit.
[2024-05-23 02:58:36] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-23 02:58:36] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:36] [INFO ] Invariant cache hit.
[2024-05-23 02:58:36] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:58:36] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 157 ms to find 0 implicit places.
[2024-05-23 02:58:36] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:58:36] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:36] [INFO ] Invariant cache hit.
[2024-05-23 02:58:36] [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
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 2727 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 4933 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 7769ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7771ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7935 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 02:58:44] [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 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[49] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2075835 steps, run timeout after 3001 ms. (steps per millisecond=691 ) properties seen :0 out of 1
Probabilistic random walk after 2075835 steps, saw 1285065 distinct states, run finished after 3001 ms. (steps per millisecond=691 ) properties seen :0
[2024-05-23 02:58:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:47] [INFO ] Invariant cache hit.
[2024-05-23 02:58:47] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 91 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 173ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 47 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40000 steps (8 resets) in 62 ms. (634 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 31 ms. (1250 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2143454 steps, run timeout after 3001 ms. (steps per millisecond=714 ) properties seen :0 out of 1
Probabilistic random walk after 2143454 steps, saw 1323257 distinct states, run finished after 3001 ms. (steps per millisecond=714 ) properties seen :0
[2024-05-23 02:58:50] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:50] [INFO ] Invariant cache hit.
[2024-05-23 02:58:50] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/186 variables, 10/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/190 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/190 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/193 variables, 2/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/193 variables, 0/97 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 193/193 variables, and 97 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/69 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/69 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/69 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 6/75 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/75 variables, 2/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/75 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 94/169 variables, 53/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/169 variables, 17/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/169 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/169 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/175 variables, 1/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/175 variables, 0/84 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/186 variables, 10/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/190 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/190 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 3/193 variables, 2/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/193 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 98 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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]
After SMT, in 181ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 45 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 02:58:51] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 02:58:51] [INFO ] Invariant cache hit.
[2024-05-23 02:58:51] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-23 02:58:51] [INFO ] Flow matrix only has 117 transitions (discarded 74 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 111 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2024-05-23 02:58:51] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 02:58:51] [INFO ] Flow matrix only has 117 transitions (discarded 74 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) 0/76 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, 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 2672 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 4935 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 7702ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 7704ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7881 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.
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 109
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 109
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 97
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 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 3 with 30 rules applied. Total rules applied 144 place count 41 transition count 82
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 151 place count 34 transition count 68
Iterating global reduction 3 with 7 rules applied. Total rules applied 158 place count 34 transition count 68
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 165 place count 27 transition count 54
Iterating global reduction 3 with 7 rules applied. Total rules applied 172 place count 27 transition count 54
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 179 place count 20 transition count 40
Iterating global reduction 3 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 3 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 4 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 4 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 4 with 2 rules applied. Total rules applied 197 place count 18 transition count 32
Applied a total of 197 rules in 16 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 02:58:59] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 02:58:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:59] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:58:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:58:59] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:58:59] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:58:59] [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 02:58:59] [INFO ] After 6ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:58:59] [INFO ] After 35ms 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:[49] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-07 in 34212 ms.
Starting property specific reduction for FunctionPointer-PT-b032-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 02:58:59] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:58:59] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10016 steps (2 resets) in 13 ms. (715 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 02:58:59] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:58:59] [INFO ] Invariant cache hit.
[2024-05-23 02:58:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:59] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:58:59] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:58:59] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 11 ms returned sat
[2024-05-23 02:58:59] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:58:59] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:59] [INFO ] Deduced a trap composed of 32 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:58:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 02:58:59] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:58:59] [INFO ] Added : 1 causal constraints over 1 iterations in 25 ms. Result :sat
Minimization took 26 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 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 91 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 91 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 16 place count 86 transition count 216
Iterating global reduction 1 with 5 rules applied. Total rules applied 21 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 84 transition count 210
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 84 transition count 210
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 83 transition count 208
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 83 transition count 208
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 28 place count 82 transition count 204
Iterating global reduction 1 with 1 rules applied. Total rules applied 29 place count 82 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 30 place count 81 transition count 202
Iterating global reduction 1 with 1 rules applied. Total rules applied 31 place count 81 transition count 202
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 36 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 37 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 38 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 76 transition count 192
Applied a total of 41 rules in 12 ms. Remains 76 /97 variables (removed 21) and now considering 192/236 (removed 44) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 76/97 places, 192/236 transitions.
[2024-05-23 02:58:59] [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 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-23 02:58:59] [INFO ] Flow matrix only has 118 transitions (discarded 74 similar events)
// Phase 1: matrix 118 rows 76 cols
[2024-05-23 02:58:59] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 944 ms. (1058 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-08 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-08 in 1331 ms.
Starting property specific reduction for FunctionPointer-PT-b032-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 02:59:00] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:59:00] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10005 steps (2 resets) in 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:59:00] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:59:00] [INFO ] Invariant cache hit.
[2024-05-23 02:59:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:00] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:00] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:59:00] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:00] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:00] [INFO ] [Nat]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:00] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 10 ms.
[2024-05-23 02:59:00] [INFO ] Added : 6 causal constraints over 3 iterations in 40 ms. Result :sat
Minimization took 26 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 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 91 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 91 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 16 place count 86 transition count 216
Iterating global reduction 1 with 5 rules applied. Total rules applied 21 place count 86 transition count 216
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 23 place count 84 transition count 212
Iterating global reduction 1 with 2 rules applied. Total rules applied 25 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 26 place count 83 transition count 210
Iterating global reduction 1 with 1 rules applied. Total rules applied 27 place count 83 transition count 210
Applied a total of 27 rules in 7 ms. Remains 83 /97 variables (removed 14) and now considering 210/236 (removed 26) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 83/97 places, 210/236 transitions.
[2024-05-23 02:59:00] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=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 :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 02:59:00] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
// Phase 1: matrix 130 rows 83 cols
[2024-05-23 02:59:00] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 951 ms. (1050 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 685 ms. (1457 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[242] Max Struct:[+inf]
[2024-05-23 02:59:02] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:02] [INFO ] Invariant cache hit.
[2024-05-23 02:59:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:02] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:59:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:59:02] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:02] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:59:02] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:02] [INFO ] Deduced a trap composed of 25 places in 44 ms of which 1 ms to minimize.
[2024-05-23 02:59:02] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 1 ms to minimize.
[2024-05-23 02:59:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 100 ms
[2024-05-23 02:59:02] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 9 ms.
[2024-05-23 02:59:02] [INFO ] Added : 15 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[242] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[242] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2024-05-23 02:59:03] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:03] [INFO ] Invariant cache hit.
[2024-05-23 02:59:03] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-23 02:59:03] [INFO ] Flow matrix only has 130 transitions (discarded 80 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.
[2024-05-23 02:59:03] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2024-05-23 02:59:03] [INFO ] Redundant transitions in 0 ms returned []
Running 208 sub problems to find dead transitions.
[2024-05-23 02:59:03] [INFO ] Flow matrix only has 130 transitions (discarded 80 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) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 208 unsolved in 3692 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 208/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (OVERLAPS) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 312 constraints, problems are : Problem set: 0 solved, 208 unsolved in 6006 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
After SMT, in 9829ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 9832ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10007 ms. Remains : 83/83 places, 210/210 transitions.
[2024-05-23 02:59:13] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=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:[242] Max Struct:[+inf]
[2024-05-23 02:59:13] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[242] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 926 ms. (1078 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 631 ms. (1582 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[242] Max Struct:[+inf]
[2024-05-23 02:59:15] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:15] [INFO ] Invariant cache hit.
[2024-05-23 02:59:15] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:15] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:59:15] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:59:15] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:15] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:15] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:15] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:59:15] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:15] [INFO ] Deduced a trap composed of 25 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:59:15] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 1 ms to minimize.
[2024-05-23 02:59:15] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2024-05-23 02:59:15] [INFO ] Computed and/alt/rep : 61/202/55 causal constraints (skipped 73 transitions) in 16 ms.
[2024-05-23 02:59:15] [INFO ] Added : 15 causal constraints over 4 iterations in 53 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[242] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[242] Max Struct:[+inf]
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2024-05-23 02:59:16] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:16] [INFO ] Invariant cache hit.
[2024-05-23 02:59:16] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 02:59:16] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:16] [INFO ] Invariant cache hit.
[2024-05-23 02:59:16] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:59:16] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 172 ms to find 0 implicit places.
[2024-05-23 02:59:16] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2024-05-23 02:59:16] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:16] [INFO ] Invariant cache hit.
[2024-05-23 02:59:16] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 208 unsolved in 3409 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 208/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (OVERLAPS) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 312 constraints, problems are : Problem set: 0 solved, 208 unsolved in 6057 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
After SMT, in 9584ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 9586ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9771 ms. Remains : 83/83 places, 210/210 transitions.
[2024-05-23 02:59:25] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 64=1, 96=1, 126=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 64=1, 112=1, 128=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:[242] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 72 ms. (547 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 1975918 steps, run timeout after 3001 ms. (steps per millisecond=658 ) properties seen :0 out of 1
Probabilistic random walk after 1975918 steps, saw 1229814 distinct states, run finished after 3001 ms. (steps per millisecond=658 ) properties seen :0
[2024-05-23 02:59:28] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:28] [INFO ] Invariant cache hit.
[2024-05-23 02:59:28] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/84 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 102/186 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/186 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/192 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/192 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/206 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/206 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/210 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/210 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/213 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 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: 83/83 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/84 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 102/186 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/186 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/192 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/192 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/206 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/206 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/210 variables, 2/103 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) 3/213 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/213 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/213 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 171ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 3 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 83/83 places, 210/210 transitions.
RANDOM walk for 40006 steps (8 resets) in 55 ms. (714 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 2030149 steps, run timeout after 3001 ms. (steps per millisecond=676 ) properties seen :0 out of 1
Probabilistic random walk after 2030149 steps, saw 1263569 distinct states, run finished after 3001 ms. (steps per millisecond=676 ) properties seen :0
[2024-05-23 02:59:32] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:32] [INFO ] Invariant cache hit.
[2024-05-23 02:59:32] [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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 7/84 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/84 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 102/186 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/186 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/192 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/192 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/206 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/206 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/210 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/210 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/213 variables, 2/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 111 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 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) 5/6 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/6 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/77 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/77 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/77 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/77 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/84 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/84 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/84 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 102/186 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/186 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/186 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/192 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/192 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 14/206 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/206 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 4/210 variables, 2/103 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) 3/213 variables, 2/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/213 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 0/213 variables, 0/105 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 105 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 193ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 0 ms.
Support contains 1 out of 83 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 83/83 places, 210/210 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 83/83 places, 210/210 transitions.
Applied a total of 0 rules in 2 ms. Remains 83 /83 variables (removed 0) and now considering 210/210 (removed 0) transitions.
[2024-05-23 02:59:32] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:32] [INFO ] Invariant cache hit.
[2024-05-23 02:59:32] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-23 02:59:32] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:32] [INFO ] Invariant cache hit.
[2024-05-23 02:59:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 02:59:32] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2024-05-23 02:59:32] [INFO ] Redundant transitions in 1 ms returned []
Running 208 sub problems to find dead transitions.
[2024-05-23 02:59:32] [INFO ] Flow matrix only has 130 transitions (discarded 80 similar events)
[2024-05-23 02:59:32] [INFO ] Invariant cache hit.
[2024-05-23 02:59:32] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (OVERLAPS) 0/213 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Real declared 213/213 variables, and 104 constraints, problems are : Problem set: 0 solved, 208 unsolved in 3510 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 208 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/83 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/83 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 2 (OVERLAPS) 130/213 variables, 83/86 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/213 variables, 18/104 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/213 variables, 208/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
At refinement iteration 6 (OVERLAPS) 0/213 variables, 0/312 constraints. Problems are: Problem set: 0 solved, 208 unsolved
No progress, stopping.
After SMT solving in domain Int declared 213/213 variables, and 312 constraints, problems are : Problem set: 0 solved, 208 unsolved in 5915 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 83/83 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 208/208 constraints, Known Traps: 0/0 constraints]
After SMT, in 9541ms problems are : Problem set: 0 solved, 208 unsolved
Search for dead transitions found 0 dead transitions in 9544ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9724 ms. Remains : 83/83 places, 210/210 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 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 88 rules applied. Total rules applied 88 place count 83 transition count 122
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 96 place count 75 transition count 122
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 96 place count 75 transition count 106
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 128 place count 59 transition count 106
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 158 place count 44 transition count 91
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 165 place count 37 transition count 77
Iterating global reduction 2 with 7 rules applied. Total rules applied 172 place count 37 transition count 77
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 179 place count 30 transition count 63
Iterating global reduction 2 with 7 rules applied. Total rules applied 186 place count 30 transition count 63
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 193 place count 23 transition count 49
Iterating global reduction 2 with 7 rules applied. Total rules applied 200 place count 23 transition count 49
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 207 place count 23 transition count 42
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 207 place count 23 transition count 41
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 209 place count 22 transition count 41
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 213 place count 20 transition count 41
Applied a total of 213 rules in 5 ms. Remains 20 /83 variables (removed 63) and now considering 41/210 (removed 169) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 41 rows 20 cols
[2024-05-23 02:59:42] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 02:59:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:42] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 02:59:42] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 02:59:42] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:59:42] [INFO ] After 38ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 02:59:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 02:59:42] [INFO ] After 10ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 02:59:42] [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 02:59:42] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 02:59:42] [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 83 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[242] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-09 in 41699 ms.
Starting property specific reduction for FunctionPointer-PT-b032-UpperBounds-12
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-23 02:59:42] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 02:59:42] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 13 ms. (714 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:[8] Max Struct:[+inf]
[2024-05-23 02:59:42] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 02:59:42] [INFO ] Invariant cache hit.
[2024-05-23 02:59:42] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:42] [INFO ] [Real]Absence check using state equation in 35 ms returned sat
[2024-05-23 02:59:42] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 02:59:42] [INFO ] [Real]Added 32 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:42] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:42] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:42] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:59:42] [INFO ] [Nat]Added 32 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:59:42] [INFO ] Deduced a trap composed of 22 places in 51 ms of which 2 ms to minimize.
[2024-05-23 02:59:42] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 02:59:42] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 8 ms.
[2024-05-23 02:59:42] [INFO ] Added : 1 causal constraints over 1 iterations in 27 ms. Result :sat
Minimization took 27 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 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 91 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.1 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 91 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 16 place count 86 transition count 216
Iterating global reduction 1 with 5 rules applied. Total rules applied 21 place count 86 transition count 216
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 83 transition count 208
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 83 transition count 208
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 81 transition count 204
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 36 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 37 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 38 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 42 place count 75 transition count 190
Iterating global reduction 1 with 1 rules applied. Total rules applied 43 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 44 place count 74 transition count 188
Iterating global reduction 1 with 1 rules applied. Total rules applied 45 place count 74 transition count 188
Applied a total of 45 rules in 10 ms. Remains 74 /97 variables (removed 23) and now considering 188/236 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 74/97 places, 188/236 transitions.
[2024-05-23 02:59:42] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[14]
Current structural bounds on expressions (after cover walk) : Max Seen:[14] Max Struct:[+inf]
[2024-05-23 02:59:42] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-23 02:59:42] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[14] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 938 ms. (1064 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 572 ms. (1745 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2252] Max Struct:[+inf]
[2024-05-23 02:59:44] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:44] [INFO ] Invariant cache hit.
[2024-05-23 02:59:44] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:44] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 02:59:44] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:44] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:44] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 02:59:44] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:44] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 0 ms to minimize.
[2024-05-23 02:59:44] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 0 ms to minimize.
[2024-05-23 02:59:44] [INFO ] Deduced a trap composed of 16 places in 57 ms of which 0 ms to minimize.
[2024-05-23 02:59:44] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 190 ms
[2024-05-23 02:59:44] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 02:59:44] [INFO ] Added : 6 causal constraints over 3 iterations in 36 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2252] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2987] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:59:46] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:46] [INFO ] Invariant cache hit.
[2024-05-23 02:59:46] [INFO ] Implicit Places using invariants in 91 ms returned []
[2024-05-23 02:59:46] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:46] [INFO ] Invariant cache hit.
[2024-05-23 02:59:46] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:46] [INFO ] Implicit Places using invariants and state equation in 90 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2024-05-23 02:59:46] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:59:46] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:46] [INFO ] Invariant cache hit.
[2024-05-23 02:59:46] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2663 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4686 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7486ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7489ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7695 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 02:59:54] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[2987] Max Struct:[+inf]
[2024-05-23 02:59:54] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:54] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2987] 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 588 ms. (1697 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2987] Max Struct:[+inf]
[2024-05-23 02:59:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:55] [INFO ] Invariant cache hit.
[2024-05-23 02:59:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:55] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 02:59:55] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:55] [INFO ] [Real]Added 17 Read/Feed constraints in 18 ms returned sat
[2024-05-23 02:59:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:55] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 02:59:55] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:55] [INFO ] Deduced a trap composed of 20 places in 62 ms of which 1 ms to minimize.
[2024-05-23 02:59:55] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 1 ms to minimize.
[2024-05-23 02:59:56] [INFO ] Deduced a trap composed of 16 places in 58 ms of which 1 ms to minimize.
[2024-05-23 02:59:56] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 200 ms
[2024-05-23 02:59:56] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 7 ms.
[2024-05-23 02:59:56] [INFO ] Added : 6 causal constraints over 3 iterations in 29 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2987] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5298] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 6 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 4 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 02:59:58] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:58] [INFO ] Invariant cache hit.
[2024-05-23 02:59:58] [INFO ] Implicit Places using invariants in 77 ms returned []
[2024-05-23 02:59:58] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:58] [INFO ] Invariant cache hit.
[2024-05-23 02:59:58] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 02:59:58] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 183 ms to find 0 implicit places.
[2024-05-23 02:59:58] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 02:59:58] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 02:59:58] [INFO ] Invariant cache hit.
[2024-05-23 02:59:58] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2730 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4708 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7539ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7541ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7739 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 03:00:06] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf] Max Struct:[+inf]
[2024-05-23 03:00:06] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:06] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 910 ms. (1097 steps per ms)
FORMULA FunctionPointer-PT-b032-UpperBounds-12 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 0 steps (0 resets) in 0 ms. (0 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[] Max Struct:[]
RANDOM walk for 0 steps (0 resets) in 4 ms. (0 steps per ms) remains 0/0 properties
Finished probabilistic random walk after 0 steps, run visited all 0 properties in 0 ms. (steps per millisecond=0 )
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[] Max Struct:[]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-12 in 25281 ms.
Starting property specific reduction for FunctionPointer-PT-b032-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 03:00:07] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
// Phase 1: matrix 157 rows 97 cols
[2024-05-23 03:00:07] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10002 steps (2 resets) in 10 ms. (909 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[16] Max Struct:[+inf]
[2024-05-23 03:00:07] [INFO ] Flow matrix only has 157 transitions (discarded 79 similar events)
[2024-05-23 03:00:07] [INFO ] Invariant cache hit.
[2024-05-23 03:00:07] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:07] [INFO ] [Real]Absence check using state equation in 34 ms returned sat
[2024-05-23 03:00:07] [INFO ] State equation strengthened by 32 read => feed constraints.
[2024-05-23 03:00:07] [INFO ] [Real]Added 32 Read/Feed constraints in 16 ms returned sat
[2024-05-23 03:00:07] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:07] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:07] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:00:07] [INFO ] [Nat]Added 32 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:07] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 1 ms to minimize.
[2024-05-23 03:00:07] [INFO ] Deduced a trap composed of 27 places in 67 ms of which 1 ms to minimize.
[2024-05-23 03:00:07] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 142 ms
[2024-05-23 03:00:07] [INFO ] Computed and/alt/rep : 32/69/30 causal constraints (skipped 125 transitions) in 9 ms.
[2024-05-23 03:00:07] [INFO ] Added : 1 causal constraints over 1 iterations in 24 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[16] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[16] Max Struct:[+inf]
Support contains 1 out of 97 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 97/97 places, 236/236 transitions.
Graph (complete) has 408 edges and 97 vertex of which 91 are kept as prefixes of interest. Removing 6 places using SCC suffix rule.0 ms
Discarding 6 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 10 transitions
Reduce isomorphic transitions removed 10 transitions.
Iterating post reduction 0 with 10 rules applied. Total rules applied 11 place count 91 transition count 226
Discarding 5 places :
Symmetric choice reduction at 1 with 5 rule applications. Total rules 16 place count 86 transition count 216
Iterating global reduction 1 with 5 rules applied. Total rules applied 21 place count 86 transition count 216
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 24 place count 83 transition count 208
Iterating global reduction 1 with 3 rules applied. Total rules applied 27 place count 83 transition count 208
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 29 place count 81 transition count 204
Iterating global reduction 1 with 2 rules applied. Total rules applied 31 place count 81 transition count 204
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 32 place count 80 transition count 200
Iterating global reduction 1 with 1 rules applied. Total rules applied 33 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 34 place count 79 transition count 198
Iterating global reduction 1 with 1 rules applied. Total rules applied 35 place count 79 transition count 198
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 36 place count 78 transition count 196
Iterating global reduction 1 with 1 rules applied. Total rules applied 37 place count 78 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 38 place count 77 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 39 place count 77 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 40 place count 76 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 41 place count 76 transition count 192
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 42 place count 75 transition count 190
Iterating global reduction 1 with 1 rules applied. Total rules applied 43 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 44 place count 74 transition count 188
Iterating global reduction 1 with 1 rules applied. Total rules applied 45 place count 74 transition count 188
Applied a total of 45 rules in 15 ms. Remains 74 /97 variables (removed 23) and now considering 188/236 (removed 48) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 15 ms. Remains : 74/97 places, 188/236 transitions.
[2024-05-23 03:00:07] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[14]
Current structural bounds on expressions (after cover walk) : Max Seen:[16] Max Struct:[+inf]
[2024-05-23 03:00:08] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-23 03:00:08] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[16] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 922 ms. (1083 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 585 ms. (1706 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2241] Max Struct:[+inf]
[2024-05-23 03:00:09] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:09] [INFO ] Invariant cache hit.
[2024-05-23 03:00:09] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:09] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 03:00:09] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:09] [INFO ] [Real]Added 17 Read/Feed constraints in 15 ms returned sat
[2024-05-23 03:00:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:09] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 03:00:09] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:00:09] [INFO ] Deduced a trap composed of 20 places in 67 ms of which 1 ms to minimize.
[2024-05-23 03:00:09] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2024-05-23 03:00:09] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 03:00:09] [INFO ] Added : 4 causal constraints over 3 iterations in 27 ms. Result :sat
Minimization took 17 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2241] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[54144] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 03:00:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:11] [INFO ] Invariant cache hit.
[2024-05-23 03:00:11] [INFO ] Implicit Places using invariants in 114 ms returned []
[2024-05-23 03:00:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:11] [INFO ] Invariant cache hit.
[2024-05-23 03:00:12] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:12] [INFO ] Implicit Places using invariants and state equation in 149 ms returned []
Implicit Place search using SMT with State Equation took 272 ms to find 0 implicit places.
[2024-05-23 03:00:12] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 03:00:12] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:12] [INFO ] Invariant cache hit.
[2024-05-23 03:00:12] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2719 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4880 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7728ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7731ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8021 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 03:00:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 20 ms. (steps per millisecond=500 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[54144] Max Struct:[+inf]
[2024-05-23 03:00:19] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[54144] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 873 ms. (1144 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 564 ms. (1769 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[54144] Max Struct:[+inf]
[2024-05-23 03:00:21] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:21] [INFO ] Invariant cache hit.
[2024-05-23 03:00:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:21] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:00:21] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:21] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:00:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:21] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:21] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:00:21] [INFO ] Deduced a trap composed of 20 places in 66 ms of which 1 ms to minimize.
[2024-05-23 03:00:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 77 ms
[2024-05-23 03:00:21] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 03:00:21] [INFO ] Added : 4 causal constraints over 3 iterations in 29 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[54144] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[914112] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 7 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 6 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 03:00:51] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:51] [INFO ] Invariant cache hit.
[2024-05-23 03:00:51] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 03:00:51] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:51] [INFO ] Invariant cache hit.
[2024-05-23 03:00:51] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:00:51] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 160 ms to find 0 implicit places.
[2024-05-23 03:00:51] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 03:00:51] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:51] [INFO ] Invariant cache hit.
[2024-05-23 03:00:51] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2690 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4913 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7697ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7699ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7870 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 03:00:59] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 23 ms. (steps per millisecond=434 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[914112] Max Struct:[+inf]
[2024-05-23 03:00:59] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:00:59] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[914112] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 882 ms. (1132 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 566 ms. (1763 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[914112] Max Struct:[+inf]
[2024-05-23 03:01:01] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:01:01] [INFO ] Invariant cache hit.
[2024-05-23 03:01:01] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:01:01] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 03:01:01] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:01:01] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:01:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:01] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:01:01] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:01:01] [INFO ] Deduced a trap composed of 20 places in 33 ms of which 1 ms to minimize.
[2024-05-23 03:01:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 39 ms
[2024-05-23 03:01:01] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 03:01:01] [INFO ] Added : 4 causal constraints over 3 iterations in 27 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[914112] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[928158] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 1 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 03:01:31] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:01:31] [INFO ] Invariant cache hit.
[2024-05-23 03:01:31] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-23 03:01:31] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:01:31] [INFO ] Invariant cache hit.
[2024-05-23 03:01:31] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:01:31] [INFO ] Implicit Places using invariants and state equation in 160 ms returned []
Implicit Place search using SMT with State Equation took 257 ms to find 0 implicit places.
[2024-05-23 03:01:31] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 03:01:31] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:01:31] [INFO ] Invariant cache hit.
[2024-05-23 03:01:31] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2627 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4917 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7665ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7667ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7936 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 03:01:39] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 21 ms. (steps per millisecond=476 ) properties (out of 1) seen :[13]
Current structural bounds on expressions (after cover walk) : Max Seen:[928158] Max Struct:[+inf]
[2024-05-23 03:01:39] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:01:39] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[928158] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 890 ms. (1122 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 597 ms. (1672 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[928158] Max Struct:[+inf]
[2024-05-23 03:01:40] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:01:40] [INFO ] Invariant cache hit.
[2024-05-23 03:01:40] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:40] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:01:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:01:40] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:01:40] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:40] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:40] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:01:40] [INFO ] [Nat]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:01:41] [INFO ] Deduced a trap composed of 20 places in 57 ms of which 1 ms to minimize.
[2024-05-23 03:01:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-23 03:01:41] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-23 03:01:41] [INFO ] Added : 4 causal constraints over 3 iterations in 35 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[928158] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[928158] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 03:02:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:02:11] [INFO ] Invariant cache hit.
[2024-05-23 03:02:11] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-05-23 03:02:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:02:11] [INFO ] Invariant cache hit.
[2024-05-23 03:02:11] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:11] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-23 03:02:11] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 03:02:11] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:02:11] [INFO ] Invariant cache hit.
[2024-05-23 03:02:11] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2584 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4659 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7348ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7351ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7539 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-23 03:02:18] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
Found an invariant !
This invariant on transitions {24=1, 50=1, 95=1, 113=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {29=1, 55=1, 100=1, 114=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 19 ms. (steps per millisecond=526 ) properties (out of 1) seen :[12]
Current structural bounds on expressions (after cover walk) : Max Seen:[928158] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 74 ms. (533 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 2101031 steps, run timeout after 3001 ms. (steps per millisecond=700 ) properties seen :0 out of 1
Probabilistic random walk after 2101031 steps, saw 1307848 distinct states, run finished after 3003 ms. (steps per millisecond=699 ) properties seen :0
[2024-05-23 03:02:21] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:02:21] [INFO ] Invariant cache hit.
[2024-05-23 03:02:21] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 82 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 69 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 184ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30000 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
RANDOM walk for 40002 steps (8 resets) in 58 ms. (678 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 41 ms. (952 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1816863 steps, run timeout after 3001 ms. (steps per millisecond=605 ) properties seen :0 out of 1
Probabilistic random walk after 1816863 steps, saw 1130921 distinct states, run finished after 3001 ms. (steps per millisecond=605 ) properties seen :0
[2024-05-23 03:02:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:02:55] [INFO ] Invariant cache hit.
[2024-05-23 03:02:55] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/172 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/172 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 10/182 variables, 9/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/186 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/186 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 181ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 30000 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 3 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-23 03:03:25] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:03:25] [INFO ] Invariant cache hit.
[2024-05-23 03:03:25] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-23 03:03:25] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:03:25] [INFO ] Invariant cache hit.
[2024-05-23 03:03:25] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:03:25] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 183 ms to find 0 implicit places.
[2024-05-23 03:03:25] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-23 03:03:25] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-23 03:03:25] [INFO ] Invariant cache hit.
[2024-05-23 03:03:25] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (OVERLAPS) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Real declared 189/189 variables, and 94 constraints, problems are : Problem set: 0 solved, 186 unsolved in 2743 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 186 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/74 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/74 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 2 (OVERLAPS) 115/189 variables, 74/77 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/189 variables, 17/94 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/189 variables, 186/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
At refinement iteration 6 (OVERLAPS) 0/189 variables, 0/280 constraints. Problems are: Problem set: 0 solved, 186 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 280 constraints, problems are : Problem set: 0 solved, 186 unsolved in 4912 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 186/186 constraints, Known Traps: 0/0 constraints]
After SMT, in 7760ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7762ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7958 ms. Remains : 74/74 places, 188/188 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 73 transitions
Reduce isomorphic transitions removed 73 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 79 rules applied. Total rules applied 79 place count 74 transition count 109
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 85 place count 68 transition count 109
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 85 place count 68 transition count 97
Deduced a syphon composed of 12 places in 0 ms
Reduce places removed 12 places and 0 transitions.
Iterating global reduction 2 with 24 rules applied. Total rules applied 109 place count 56 transition count 97
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 141 place count 40 transition count 81
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 148 place count 33 transition count 67
Iterating global reduction 2 with 7 rules applied. Total rules applied 155 place count 33 transition count 67
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 162 place count 26 transition count 53
Iterating global reduction 2 with 7 rules applied. Total rules applied 169 place count 26 transition count 53
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 176 place count 19 transition count 39
Iterating global reduction 2 with 7 rules applied. Total rules applied 183 place count 19 transition count 39
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 190 place count 19 transition count 32
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 190 place count 19 transition count 31
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 192 place count 18 transition count 31
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 17 transition count 31
Drop transitions (Redundant composition of simpler transitions.) removed 2 transitions
Redundant transition composition rules discarded 2 transitions
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 17 transition count 29
Applied a total of 196 rules in 12 ms. Remains 17 /74 variables (removed 57) and now considering 29/188 (removed 159) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 29 rows 17 cols
[2024-05-23 03:03:33] [INFO ] Computed 3 invariants in 2 ms
[2024-05-23 03:03:33] [INFO ] [Real]Absence check using 3 positive place invariants in 44 ms returned sat
[2024-05-23 03:03:33] [INFO ] After 78ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:03:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:03:33] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:33] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:03:33] [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 03:03:33] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:33] [INFO ] After 41ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 138 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[928158] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b032-UpperBounds-15 in 205828 ms.
[2024-05-23 03:03:33] [INFO ] Flatten gal took : 45 ms
[2024-05-23 03:03:33] [INFO ] Export to MCC of 6 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-23 03:03:33] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 97 places, 236 transitions and 962 arcs took 5 ms.
Total runtime 769201 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running FunctionPointer-PT-b032

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/412/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 97
TRANSITIONS: 236
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.003s, Sys 0.005s]


SAVING FILE /home/mcc/execution/412/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: 2703
MODEL NAME: /home/mcc/execution/412/model
97 places, 236 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.
coverability test failed!!
Convergence in 11 steps.
The state space is infinite.
CANNOT_COMPUTE
EXITCODE: 0
----------------------------------------------------------------------

BK_STOP 1716433414780

--------------------
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-b032"
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-b032, 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-171640601100253"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b032.tgz
mv FunctionPointer-PT-b032 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 ;