Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r496-tall-171640603000269.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
.................
=====================================================================
Generated by BenchKit 2-5568
Executing tool ltsminxred
Input is FunctionPointer-PT-b128, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r496-tall-171640603000269
=====================================================================

--------------------
preparation of the directory to be used:
/home/mcc/execution
total 880K
-rw-r--r-- 1 mcc users 6.5K May 14 13:22 CTLCardinality.txt
-rw-r--r-- 1 mcc users 66K May 14 13:22 CTLCardinality.xml
-rw-r--r-- 1 mcc users 4.9K May 14 13:22 CTLFireability.txt
-rw-r--r-- 1 mcc users 43K May 14 13:22 CTLFireability.xml
-rw-r--r-- 1 mcc users 3.3K Apr 22 14:46 LTLCardinality.txt
-rw-r--r-- 1 mcc users 21K Apr 22 14:46 LTLCardinality.xml
-rw-r--r-- 1 mcc users 2.2K Apr 22 14:46 LTLFireability.txt
-rw-r--r-- 1 mcc users 16K Apr 22 14:46 LTLFireability.xml
-rw-r--r-- 1 mcc users 14K Apr 11 16:08 ReachabilityCardinality.txt
-rw-r--r-- 1 mcc users 149K Apr 11 16:08 ReachabilityCardinality.xml
-rw-r--r-- 1 mcc users 12K Apr 11 16:07 ReachabilityFireability.txt
-rw-r--r-- 1 mcc users 110K Apr 11 16:07 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-b128-UpperBounds-00
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-01
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-02
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-03
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-04
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-05
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-06
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-07
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-08
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-09
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-10
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-11
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-12
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-13
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-14
FORMULA_NAME FunctionPointer-PT-b128-UpperBounds-15

=== Now, execution of the tool begins

BK_START 1717190057104

Invoking MCC driver with
BK_TOOL=ltsminxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b128
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool ltsmin
Invoking reducer
Running Version 202405141337
[2024-05-31 21:14:18] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-31 21:14:18] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-31 21:14:18] [INFO ] Load time of PNML (sax parser for PT used): 111 ms
[2024-05-31 21:14:18] [INFO ] Transformed 306 places.
[2024-05-31 21:14:18] [INFO ] Transformed 840 transitions.
[2024-05-31 21:14:18] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 211 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 7 ms.
Deduced a syphon composed of 84 places in 11 ms
Reduce places removed 84 places and 192 transitions.
FORMULA FunctionPointer-PT-b128-UpperBounds-04 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b128-UpperBounds-11 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b128-UpperBounds-12 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b128-UpperBounds-14 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
FORMULA FunctionPointer-PT-b128-UpperBounds-15 0 TECHNIQUES TOPOLOGICAL INITIAL_STATE
Current structural bounds on expressions (Initially) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[+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] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:14:18] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-31 21:14:18] [INFO ] Computed 4 invariants in 13 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] Max Struct:[128, +inf, +inf, +inf, +inf, +inf, 128, 1, +inf, +inf, 1]
RANDOM walk for 10058 steps (8 resets) in 24 ms. (402 steps per ms)
FORMULA FunctionPointer-PT-b128-UpperBounds-13 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
FORMULA FunctionPointer-PT-b128-UpperBounds-08 1 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 90009 steps (66 resets) in 107 ms. (833 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[7, 0, 2, 25, 2, 1, 124, 1, 6] Max Struct:[128, +inf, +inf, +inf, +inf, +inf, 128, +inf, +inf]
[2024-05-31 21:14:18] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-31 21:14:18] [INFO ] Invariant cache hit.
[2024-05-31 21:14:18] [INFO ] [Real]Absence check using 3 positive place invariants in 7 ms returned sat
[2024-05-31 21:14:18] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 8 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2024-05-31 21:14:19] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-31 21:14:19] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:14:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using state equation in 87 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Added 65 Read/Feed constraints in 13 ms returned sat
[2024-05-31 21:14:19] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 66 ms.
[2024-05-31 21:14:19] [INFO ] Added : 0 causal constraints over 0 iterations in 117 ms. Result :sat
Minimization took 88 ms.
[2024-05-31 21:14:19] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:14:19] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:14:19] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:14:19] [INFO ] Deduced a trap composed of 21 places in 119 ms of which 17 ms to minimize.
[2024-05-31 21:14:19] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 146 ms
[2024-05-31 21:14:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 51 ms.
[2024-05-31 21:14:20] [INFO ] Added : 2 causal constraints over 1 iterations in 97 ms. Result :sat
Minimization took 79 ms.
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:14:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:14:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 46 ms.
[2024-05-31 21:14:20] [INFO ] Added : 1 causal constraints over 1 iterations in 93 ms. Result :sat
Minimization took 75 ms.
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:14:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:14:20] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:14:20] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 37 ms.
[2024-05-31 21:14:21] [INFO ] Added : 1 causal constraints over 1 iterations in 84 ms. Result :sat
Minimization took 79 ms.
[2024-05-31 21:14:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Real]Absence check using state equation in 75 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Real]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-31 21:14:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:14:21] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 33 ms.
[2024-05-31 21:14:21] [INFO ] Added : 2 causal constraints over 1 iterations in 91 ms. Result :sat
Minimization took 88 ms.
[2024-05-31 21:14:21] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Real]Absence check using state equation in 71 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-31 21:14:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Nat]Absence check using state equation in 77 ms returned sat
[2024-05-31 21:14:21] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:14:21] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 39 ms.
[2024-05-31 21:14:22] [INFO ] Added : 2 causal constraints over 1 iterations in 111 ms. Result :sat
Minimization took 79 ms.
[2024-05-31 21:14:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Real]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:14:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Nat]Absence check using state equation in 73 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Nat]Added 65 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:14:22] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 28 ms.
[2024-05-31 21:14:22] [INFO ] Added : 0 causal constraints over 0 iterations in 61 ms. Result :sat
Minimization took 84 ms.
[2024-05-31 21:14:22] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Real]Absence check using state equation in 69 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Real]Added 65 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:14:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-31 21:14:22] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-31 21:14:22] [INFO ] Deduced a trap composed of 26 places in 100 ms of which 2 ms to minimize.
[2024-05-31 21:14:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 132 ms
[2024-05-31 21:14:23] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 31 ms.
[2024-05-31 21:14:23] [INFO ] Added : 2 causal constraints over 1 iterations in 77 ms. Result :sat
Minimization took 81 ms.
[2024-05-31 21:14:23] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-31 21:14:23] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-31 21:14:23] [INFO ] [Real]Absence check using state equation in 72 ms returned sat
[2024-05-31 21:14:23] [INFO ] [Real]Added 65 Read/Feed constraints in 15 ms returned sat
[2024-05-31 21:14:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:23] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-31 21:14:23] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-31 21:14:23] [INFO ] [Nat]Added 65 Read/Feed constraints in 14 ms returned sat
[2024-05-31 21:14:23] [INFO ] Deduced a trap composed of 26 places in 123 ms of which 2 ms to minimize.
[2024-05-31 21:14:23] [INFO ] Deduced a trap composed of 21 places in 92 ms of which 1 ms to minimize.
[2024-05-31 21:14:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 257 ms
[2024-05-31 21:14:23] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 29 ms.
[2024-05-31 21:14:23] [INFO ] Added : 2 causal constraints over 1 iterations in 85 ms. Result :sat
Minimization took 77 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[7, 0, 2, 25, 2, 1, 124, 1, 6] Max Struct:[128, +inf, +inf, +inf, +inf, +inf, 128, +inf, +inf]
FORMULA FunctionPointer-PT-b128-UpperBounds-07 128 TECHNIQUES TOPOLOGICAL PARIKH_WALK
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128, 0, 2, 25, 8, 1, 1, 6] Max Struct:[128, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 8 out of 222 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 222/222 places, 648/648 transitions.
Graph (complete) has 932 edges and 222 vertex of which 191 are kept as prefixes of interest. Removing 31 places using SCC suffix rule.4 ms
Discarding 31 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 43 transitions
Reduce isomorphic transitions removed 43 transitions.
Iterating post reduction 0 with 43 rules applied. Total rules applied 44 place count 191 transition count 605
Discarding 28 places :
Symmetric choice reduction at 1 with 28 rule applications. Total rules 72 place count 163 transition count 443
Iterating global reduction 1 with 28 rules applied. Total rules applied 100 place count 163 transition count 443
Ensure Unique test removed 28 transitions
Reduce isomorphic transitions removed 28 transitions.
Iterating post reduction 1 with 28 rules applied. Total rules applied 128 place count 163 transition count 415
Discarding 16 places :
Symmetric choice reduction at 2 with 16 rule applications. Total rules 144 place count 147 transition count 383
Iterating global reduction 2 with 16 rules applied. Total rules applied 160 place count 147 transition count 383
Ensure Unique test removed 4 transitions
Reduce isomorphic transitions removed 4 transitions.
Iterating post reduction 2 with 4 rules applied. Total rules applied 164 place count 147 transition count 379
Discarding 7 places :
Symmetric choice reduction at 3 with 7 rule applications. Total rules 171 place count 140 transition count 365
Iterating global reduction 3 with 7 rules applied. Total rules applied 178 place count 140 transition count 365
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 183 place count 135 transition count 345
Iterating global reduction 3 with 5 rules applied. Total rules applied 188 place count 135 transition count 345
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 193 place count 130 transition count 335
Iterating global reduction 3 with 5 rules applied. Total rules applied 198 place count 130 transition count 335
Discarding 5 places :
Symmetric choice reduction at 3 with 5 rule applications. Total rules 203 place count 125 transition count 315
Iterating global reduction 3 with 5 rules applied. Total rules applied 208 place count 125 transition count 315
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 212 place count 121 transition count 299
Iterating global reduction 3 with 4 rules applied. Total rules applied 216 place count 121 transition count 299
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 220 place count 117 transition count 291
Iterating global reduction 3 with 4 rules applied. Total rules applied 224 place count 117 transition count 291
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 228 place count 113 transition count 283
Iterating global reduction 3 with 4 rules applied. Total rules applied 232 place count 113 transition count 283
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 236 place count 109 transition count 275
Iterating global reduction 3 with 4 rules applied. Total rules applied 240 place count 109 transition count 275
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 244 place count 105 transition count 267
Iterating global reduction 3 with 4 rules applied. Total rules applied 248 place count 105 transition count 267
Discarding 4 places :
Symmetric choice reduction at 3 with 4 rule applications. Total rules 252 place count 101 transition count 259
Iterating global reduction 3 with 4 rules applied. Total rules applied 256 place count 101 transition count 259
Drop transitions (Redundant composition of simpler transitions.) removed 8 transitions
Redundant transition composition rules discarded 8 transitions
Iterating global reduction 3 with 8 rules applied. Total rules applied 264 place count 101 transition count 251
Applied a total of 264 rules in 180 ms. Remains 101 /222 variables (removed 121) and now considering 251/648 (removed 397) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 193 ms. Remains : 101/222 places, 251/648 transitions.
[2024-05-31 21:14:24] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 101 ms. (steps per millisecond=99 ) properties (out of 8) seen :[5, 2, 5, 9, 6, 9, 3, 7]
FORMULA FunctionPointer-PT-b128-UpperBounds-00 128 TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[2, 5, 25, 8, 9, 3, 7] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:14:24] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:14:24] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2, 5, 25, 8, 9, 3, 7] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1234 ms. (809 steps per ms)
BEST_FIRST walk for 7000004 steps (14 resets) in 6108 ms. (1145 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[56, 187, 821, 20, 148, 66, 135] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:14:32] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:14:32] [INFO ] Invariant cache hit.
[2024-05-31 21:14:32] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:14:32] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:14:32] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:32] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:14:32] [INFO ] Deduced a trap composed of 17 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:14:32] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:14:32] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 192 ms
[2024-05-31 21:14:32] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:14:32] [INFO ] Added : 10 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:14:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:32] [INFO ] Deduced a trap composed of 20 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:14:32] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:14:32] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 103 ms
[2024-05-31 21:14:32] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:14:32] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:14:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:14:32] [INFO ] Added : 12 causal constraints over 5 iterations in 124 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:14:32] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:14:32] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:33] [INFO ] Deduced a trap composed of 22 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:14:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 21:14:33] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:14:33] [INFO ] Added : 15 causal constraints over 6 iterations in 64 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:14:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:33] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:14:33] [INFO ] Deduced a trap composed of 18 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:14:33] [INFO ] Deduced a trap composed of 24 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:14:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 173 ms
[2024-05-31 21:14:33] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:14:33] [INFO ] Added : 5 causal constraints over 2 iterations in 37 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:14:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:33] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:14:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:14:33] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:14:33] [INFO ] Added : 24 causal constraints over 5 iterations in 66 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:14:33] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Real]Absence check using state equation in 53 ms returned sat
[2024-05-31 21:14:33] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:14:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:34] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:34] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:34] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:14:34] [INFO ] Added : 25 causal constraints over 6 iterations in 84 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:14:34] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:34] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:14:34] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:34] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:34] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:34] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:14:34] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:34] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:14:34] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:14:34] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 114 ms
[2024-05-31 21:14:34] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:14:34] [INFO ] Added : 11 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[56, 187, 821, 20, 148, 66, 135] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[56, 187, 821, 128, 148, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 8 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 7 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:14:36] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:14:36] [INFO ] Invariant cache hit.
[2024-05-31 21:14:36] [INFO ] Implicit Places using invariants in 106 ms returned []
[2024-05-31 21:14:36] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:14:36] [INFO ] Invariant cache hit.
[2024-05-31 21:14:36] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:14:36] [INFO ] Implicit Places using invariants and state equation in 256 ms returned []
Implicit Place search using SMT with State Equation took 364 ms to find 0 implicit places.
[2024-05-31 21:14:36] [INFO ] Redundant transitions in 12 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:14:36] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:14:36] [INFO ] Invariant cache hit.
[2024-05-31 21:14:36] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4941 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7117 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 12342ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 12353ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12773 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:14:49] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 62 ms. (steps per millisecond=161 ) properties (out of 7) seen :[3, 7, 15, 10, 5, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[56, 187, 821, 128, 148, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:14:49] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:14:49] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[56, 187, 821, 128, 148, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1193 ms. (837 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6096 ms. (1148 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[56, 187, 839, 128, 149, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:14:56] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:14:56] [INFO ] Invariant cache hit.
[2024-05-31 21:14:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:56] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:14:56] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:14:56] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:14:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:56] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:56] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:56] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:14:56] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:14:56] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:14:56] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 161 ms
[2024-05-31 21:14:56] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:14:56] [INFO ] Added : 10 causal constraints over 4 iterations in 66 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:14:56] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using state equation in 37 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:14:57] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:14:57] [INFO ] Deduced a trap composed of 17 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:14:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-31 21:14:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:14:57] [INFO ] Deduced a trap composed of 36 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:14:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-31 21:14:57] [INFO ] Added : 12 causal constraints over 5 iterations in 145 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:14:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:57] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:14:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 55 ms
[2024-05-31 21:14:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:14:57] [INFO ] Added : 15 causal constraints over 6 iterations in 68 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:14:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:57] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:14:57] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:14:58] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 0 ms to minimize.
[2024-05-31 21:14:58] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:14:58] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 243 ms
[2024-05-31 21:14:58] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-31 21:14:58] [INFO ] Added : 25 causal constraints over 7 iterations in 84 ms. Result :sat
Minimization took 34 ms.
[2024-05-31 21:14:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:14:58] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:14:58] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:14:58] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 12 ms.
[2024-05-31 21:14:58] [INFO ] Added : 24 causal constraints over 5 iterations in 67 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:14:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:14:58] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:14:58] [INFO ] Added : 20 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 31 ms.
[2024-05-31 21:14:58] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:14:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:14:58] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:14:58] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:14:59] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:14:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2024-05-31 21:14:59] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:14:59] [INFO ] Added : 11 causal constraints over 3 iterations in 46 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[56, 187, 839, 128, 149, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[56, 187, 839, 128, 149, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 7 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 8 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:15:01] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:01] [INFO ] Invariant cache hit.
[2024-05-31 21:15:01] [INFO ] Implicit Places using invariants in 76 ms returned []
[2024-05-31 21:15:01] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:01] [INFO ] Invariant cache hit.
[2024-05-31 21:15:01] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:15:01] [INFO ] Implicit Places using invariants and state equation in 132 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
[2024-05-31 21:15:01] [INFO ] Redundant transitions in 4 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:15:01] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:01] [INFO ] Invariant cache hit.
[2024-05-31 21:15:01] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4586 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7263 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 12011ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 12015ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12244 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:15:13] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 88 ms. (steps per millisecond=113 ) properties (out of 7) seen :[2, 3, 13, 5, 6, 2, 9]
Current structural bounds on expressions (after cover walk) : Max Seen:[56, 187, 839, 128, 149, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:15:13] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[56, 187, 839, 128, 149, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1158 ms. (862 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 5902 ms. (1185 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[59, 215, 867, 128, 169, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:15:20] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:20] [INFO ] Invariant cache hit.
[2024-05-31 21:15:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:20] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:15:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:15:20] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:15:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:21] [INFO ] Deduced a trap composed of 28 places in 58 ms of which 1 ms to minimize.
[2024-05-31 21:15:21] [INFO ] Deduced a trap composed of 17 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:15:21] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:15:21] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 176 ms
[2024-05-31 21:15:21] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-31 21:15:21] [INFO ] Added : 10 causal constraints over 4 iterations in 63 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:15:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:21] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 2 ms to minimize.
[2024-05-31 21:15:21] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:15:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-31 21:15:21] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:15:21] [INFO ] Deduced a trap composed of 36 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:15:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-31 21:15:21] [INFO ] Added : 12 causal constraints over 5 iterations in 132 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:15:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:15:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:15:21] [INFO ] Deduced a trap composed of 22 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:15:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 67 ms
[2024-05-31 21:15:21] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:15:22] [INFO ] Added : 15 causal constraints over 6 iterations in 69 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:15:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:15:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:15:22] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:15:22] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 0 ms to minimize.
[2024-05-31 21:15:22] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:15:22] [INFO ] Deduced a trap composed of 24 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:15:22] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 222 ms
[2024-05-31 21:15:22] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:15:22] [INFO ] Added : 25 causal constraints over 7 iterations in 78 ms. Result :sat
Minimization took 32 ms.
[2024-05-31 21:15:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:15:22] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-31 21:15:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2024-05-31 21:15:22] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:15:22] [INFO ] Added : 24 causal constraints over 5 iterations in 61 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:15:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:15:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:23] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:15:23] [INFO ] Added : 20 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:15:23] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:23] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:15:23] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:15:23] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:23] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:23] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:15:23] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:15:23] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:15:23] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 0 ms to minimize.
[2024-05-31 21:15:23] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 111 ms
[2024-05-31 21:15:23] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:15:23] [INFO ] Added : 11 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[59, 215, 867, 128, 169, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[59, 215, 867, 128, 169, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 18 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 18 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 9 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:15:26] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:26] [INFO ] Invariant cache hit.
[2024-05-31 21:15:26] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:15:26] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:26] [INFO ] Invariant cache hit.
[2024-05-31 21:15:26] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:15:26] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 184 ms to find 0 implicit places.
[2024-05-31 21:15:26] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:15:26] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:26] [INFO ] Invariant cache hit.
[2024-05-31 21:15:26] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4524 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7140 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 11850ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 11853ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12055 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:15:38] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 43 ms. (steps per millisecond=232 ) properties (out of 7) seen :[3, 3, 10, 6, 15, 2, 7]
Current structural bounds on expressions (after cover walk) : Max Seen:[59, 215, 867, 128, 169, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:15:38] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:38] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[59, 215, 867, 128, 169, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1123 ms. (889 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6569 ms. (1065 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[67, 224, 893, 128, 169, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:15:45] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:45] [INFO ] Invariant cache hit.
[2024-05-31 21:15:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:45] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:15:45] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:15:45] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:46] [INFO ] Deduced a trap composed of 28 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:15:46] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:15:46] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:15:46] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 175 ms
[2024-05-31 21:15:46] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 12 ms.
[2024-05-31 21:15:46] [INFO ] Added : 10 causal constraints over 4 iterations in 66 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:15:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:46] [INFO ] Deduced a trap composed of 20 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:15:46] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 0 ms to minimize.
[2024-05-31 21:15:46] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 132 ms
[2024-05-31 21:15:46] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 13 ms.
[2024-05-31 21:15:46] [INFO ] Deduced a trap composed of 36 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:15:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:15:46] [INFO ] Added : 12 causal constraints over 5 iterations in 131 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:15:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:15:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:46] [INFO ] Deduced a trap composed of 22 places in 59 ms of which 1 ms to minimize.
[2024-05-31 21:15:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-31 21:15:46] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 12 ms.
[2024-05-31 21:15:47] [INFO ] Added : 15 causal constraints over 6 iterations in 73 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Real]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:15:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:15:47] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:15:47] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 0 ms to minimize.
[2024-05-31 21:15:47] [INFO ] Deduced a trap composed of 19 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:15:47] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:15:47] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 230 ms
[2024-05-31 21:15:47] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:15:47] [INFO ] Added : 25 causal constraints over 7 iterations in 83 ms. Result :sat
Minimization took 38 ms.
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:47] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 1 ms to minimize.
[2024-05-31 21:15:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 71 ms
[2024-05-31 21:15:47] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:15:47] [INFO ] Added : 24 causal constraints over 5 iterations in 65 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:15:47] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:48] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:15:48] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:15:48] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:15:48] [INFO ] Added : 20 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 42 ms.
[2024-05-31 21:15:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:48] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:15:48] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:15:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:15:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:15:48] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:15:48] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:15:48] [INFO ] Deduced a trap composed of 28 places in 57 ms of which 1 ms to minimize.
[2024-05-31 21:15:48] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:15:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 131 ms
[2024-05-31 21:15:48] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-31 21:15:48] [INFO ] Added : 11 causal constraints over 3 iterations in 48 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[67, 224, 893, 128, 169, 128, 226] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[67, 224, 893, 128, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 8 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 5 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:15:51] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:51] [INFO ] Invariant cache hit.
[2024-05-31 21:15:51] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-31 21:15:51] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:51] [INFO ] Invariant cache hit.
[2024-05-31 21:15:51] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:15:51] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 192 ms to find 0 implicit places.
[2024-05-31 21:15:51] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:15:51] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:15:51] [INFO ] Invariant cache hit.
[2024-05-31 21:15:51] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4742 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7224 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 12152ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 12155ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12358 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:16:03] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 45 ms. (steps per millisecond=222 ) properties (out of 7) seen :[2, 4, 22, 7, 4, 3, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[67, 224, 893, 128, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:16:03] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:03] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[67, 224, 893, 128, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000004 steps (2 resets) in 903 ms. (1106 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 5962 ms. (1173 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69, 224, 893, 138, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:16:10] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:10] [INFO ] Invariant cache hit.
[2024-05-31 21:16:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:10] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:10] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:16:10] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:10] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:10] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:10] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:16:10] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 0 ms to minimize.
[2024-05-31 21:16:10] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:16:10] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 157 ms
[2024-05-31 21:16:10] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:16:10] [INFO ] Added : 10 causal constraints over 4 iterations in 59 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:16:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:11] [INFO ] Deduced a trap composed of 20 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:16:11] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:16:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2024-05-31 21:16:11] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:16:11] [INFO ] Deduced a trap composed of 36 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:16:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:16:11] [INFO ] Added : 12 causal constraints over 5 iterations in 117 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:16:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:11] [INFO ] Deduced a trap composed of 22 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:16:11] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:16:11] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:16:11] [INFO ] Added : 15 causal constraints over 6 iterations in 72 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:16:11] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:16:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:16:11] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:11] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:16:11] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 1 ms to minimize.
[2024-05-31 21:16:11] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 103 ms
[2024-05-31 21:16:11] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:16:12] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:16:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:16:12] [INFO ] Added : 7 causal constraints over 3 iterations in 110 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:16:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:12] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 0 ms to minimize.
[2024-05-31 21:16:12] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:16:12] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:16:12] [INFO ] Added : 24 causal constraints over 5 iterations in 66 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:16:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Nat]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:16:12] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:16:12] [INFO ] Added : 20 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:16:12] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:16:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:12] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:16:12] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:16:12] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:16:12] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 110 ms
[2024-05-31 21:16:12] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:16:12] [INFO ] Added : 11 causal constraints over 3 iterations in 43 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69, 224, 893, 138, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 224, 893, 138, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 5 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 4 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:16:15] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:15] [INFO ] Invariant cache hit.
[2024-05-31 21:16:15] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:16:15] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:15] [INFO ] Invariant cache hit.
[2024-05-31 21:16:15] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:16:15] [INFO ] Implicit Places using invariants and state equation in 127 ms returned []
Implicit Place search using SMT with State Equation took 186 ms to find 0 implicit places.
[2024-05-31 21:16:15] [INFO ] Redundant transitions in 0 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:16:15] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:15] [INFO ] Invariant cache hit.
[2024-05-31 21:16:15] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4613 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7249 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 12010ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 12012ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12208 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:16:27] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 54 ms. (steps per millisecond=185 ) properties (out of 7) seen :[2, 4, 5, 11, 5, 3, 8]
Current structural bounds on expressions (after cover walk) : Max Seen:[69, 224, 893, 138, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:16:28] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[69, 224, 893, 138, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000001 steps (2 resets) in 1205 ms. (829 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 5864 ms. (1193 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69, 224, 945, 138, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:16:35] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:35] [INFO ] Invariant cache hit.
[2024-05-31 21:16:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:35] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:16:35] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:35] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 0 ms to minimize.
[2024-05-31 21:16:35] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:16:35] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:16:35] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 156 ms
[2024-05-31 21:16:35] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:16:35] [INFO ] Added : 10 causal constraints over 4 iterations in 56 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:16:35] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Real]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:16:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:35] [INFO ] Deduced a trap composed of 20 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:16:35] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:16:35] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 105 ms
[2024-05-31 21:16:35] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:16:35] [INFO ] Deduced a trap composed of 36 places in 49 ms of which 0 ms to minimize.
[2024-05-31 21:16:35] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:16:35] [INFO ] Added : 12 causal constraints over 5 iterations in 119 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:16:35] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:16:35] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:16:35] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:35] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:36] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:16:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-31 21:16:36] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-31 21:16:36] [INFO ] Added : 15 causal constraints over 6 iterations in 69 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:16:36] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:16:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Nat]Absence check using state equation in 35 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:16:36] [INFO ] Deduced a trap composed of 28 places in 63 ms of which 1 ms to minimize.
[2024-05-31 21:16:36] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:16:36] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-31 21:16:36] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-31 21:16:36] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:16:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:16:36] [INFO ] Added : 7 causal constraints over 3 iterations in 111 ms. Result :sat
Minimization took 25 ms.
[2024-05-31 21:16:36] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:36] [INFO ] Deduced a trap composed of 28 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:16:36] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-31 21:16:36] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:16:36] [INFO ] Added : 24 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:16:36] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:36] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:36] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:36] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:37] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:37] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:16:37] [INFO ] Added : 20 causal constraints over 5 iterations in 73 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:16:37] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:37] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:16:37] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:16:37] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:16:37] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:37] [INFO ] [Nat]Absence check using state equation in 34 ms returned sat
[2024-05-31 21:16:37] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:16:37] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:16:37] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:16:37] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 107 ms
[2024-05-31 21:16:37] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:16:37] [INFO ] Added : 11 causal constraints over 3 iterations in 50 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69, 224, 945, 138, 219, 128, 247] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 224, 945, 138, 219, 128, 273] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 13 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 13 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 5 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:16:40] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:40] [INFO ] Invariant cache hit.
[2024-05-31 21:16:40] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:16:40] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:40] [INFO ] Invariant cache hit.
[2024-05-31 21:16:40] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:16:40] [INFO ] Implicit Places using invariants and state equation in 143 ms returned []
Implicit Place search using SMT with State Equation took 209 ms to find 0 implicit places.
[2024-05-31 21:16:40] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:16:40] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:40] [INFO ] Invariant cache hit.
[2024-05-31 21:16:40] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4776 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7322 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 12249ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 12252ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12472 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:16:52] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 71 ms. (steps per millisecond=140 ) properties (out of 7) seen :[2, 5, 11, 6, 7, 4, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[69, 224, 945, 138, 219, 128, 273] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:16:53] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:53] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[69, 224, 945, 138, 219, 128, 273] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1067 ms. (936 steps per ms)
BEST_FIRST walk for 7000006 steps (14 resets) in 5845 ms. (1197 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69, 224, 945, 138, 219, 128, 273] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:16:59] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:16:59] [INFO ] Invariant cache hit.
[2024-05-31 21:16:59] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:16:59] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:16:59] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:16:59] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:16:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:00] [INFO ] Deduced a trap composed of 28 places in 58 ms of which 1 ms to minimize.
[2024-05-31 21:17:00] [INFO ] Deduced a trap composed of 17 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:17:00] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2024-05-31 21:17:00] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 163 ms
[2024-05-31 21:17:00] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:17:00] [INFO ] Added : 10 causal constraints over 4 iterations in 54 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:17:00] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:00] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:17:00] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:17:00] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 110 ms
[2024-05-31 21:17:00] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:17:00] [INFO ] Deduced a trap composed of 36 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:17:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-31 21:17:00] [INFO ] Added : 12 causal constraints over 5 iterations in 124 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:17:00] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Real]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:00] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:17:00] [INFO ] [Nat]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:00] [INFO ] Deduced a trap composed of 22 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:17:00] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-31 21:17:00] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:17:00] [INFO ] Added : 15 causal constraints over 6 iterations in 62 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:17:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:01] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:17:01] [INFO ] Deduced a trap composed of 28 places in 45 ms of which 1 ms to minimize.
[2024-05-31 21:17:01] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 106 ms
[2024-05-31 21:17:01] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:17:01] [INFO ] Deduced a trap composed of 21 places in 52 ms of which 1 ms to minimize.
[2024-05-31 21:17:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:17:01] [INFO ] Added : 7 causal constraints over 3 iterations in 108 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:01] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:17:01] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-31 21:17:01] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:17:01] [INFO ] Added : 24 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-31 21:17:01] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:17:01] [INFO ] Added : 20 causal constraints over 5 iterations in 60 ms. Result :sat
Minimization took 33 ms.
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:17:01] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:01] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:17:02] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:17:02] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 0 ms to minimize.
[2024-05-31 21:17:02] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 115 ms
[2024-05-31 21:17:02] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:17:02] [INFO ] Added : 11 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69, 224, 945, 138, 219, 128, 273] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 4 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 4 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:17:04] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:04] [INFO ] Invariant cache hit.
[2024-05-31 21:17:05] [INFO ] Implicit Places using invariants in 65 ms returned []
[2024-05-31 21:17:05] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:05] [INFO ] Invariant cache hit.
[2024-05-31 21:17:05] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:17:05] [INFO ] Implicit Places using invariants and state equation in 140 ms returned []
Implicit Place search using SMT with State Equation took 206 ms to find 0 implicit places.
[2024-05-31 21:17:05] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:17:05] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:05] [INFO ] Invariant cache hit.
[2024-05-31 21:17:05] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4660 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7060 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 11866ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 11868ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12088 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:17:17] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=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 7) seen :[2, 5, 16, 7, 6, 3, 6]
Current structural bounds on expressions (after cover walk) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:17:17] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:17] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1128 ms. (885 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 5875 ms. (1191 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-31 21:17:24] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:24] [INFO ] Invariant cache hit.
[2024-05-31 21:17:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:17:24] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:17:24] [INFO ] [Real]Added 27 Read/Feed constraints in 16 ms returned sat
[2024-05-31 21:17:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:24] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 1 ms to minimize.
[2024-05-31 21:17:24] [INFO ] Deduced a trap composed of 17 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:17:24] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 1 ms to minimize.
[2024-05-31 21:17:24] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 164 ms
[2024-05-31 21:17:24] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:17:24] [INFO ] Added : 10 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 26 ms.
[2024-05-31 21:17:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:24] [INFO ] Deduced a trap composed of 20 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:17:24] [INFO ] Deduced a trap composed of 17 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:17:24] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 102 ms
[2024-05-31 21:17:24] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:17:24] [INFO ] Deduced a trap composed of 36 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:17:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:17:24] [INFO ] Added : 12 causal constraints over 5 iterations in 128 ms. Result :sat
Minimization took 28 ms.
[2024-05-31 21:17:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:24] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:25] [INFO ] Deduced a trap composed of 22 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:17:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 82 ms
[2024-05-31 21:17:25] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:17:25] [INFO ] Added : 15 causal constraints over 6 iterations in 72 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:17:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:17:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:17:25] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:17:25] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-31 21:17:25] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 109 ms
[2024-05-31 21:17:25] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:17:25] [INFO ] Deduced a trap composed of 21 places in 47 ms of which 0 ms to minimize.
[2024-05-31 21:17:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:17:25] [INFO ] Added : 7 causal constraints over 3 iterations in 102 ms. Result :sat
Minimization took 27 ms.
[2024-05-31 21:17:25] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Real]Absence check using state equation in 33 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Real]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:17:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:25] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:25] [INFO ] Deduced a trap composed of 28 places in 51 ms of which 1 ms to minimize.
[2024-05-31 21:17:25] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-31 21:17:25] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:17:25] [INFO ] Added : 24 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 30 ms.
[2024-05-31 21:17:25] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:25] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:17:25] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:26] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:17:26] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:17:26] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-31 21:17:26] [INFO ] Added : 20 causal constraints over 5 iterations in 77 ms. Result :sat
Minimization took 29 ms.
[2024-05-31 21:17:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:17:26] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:26] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:17:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:17:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:17:26] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:17:26] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:17:26] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 1 ms to minimize.
[2024-05-31 21:17:26] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-31 21:17:26] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 120 ms
[2024-05-31 21:17:26] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:17:26] [INFO ] Added : 11 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Support contains 7 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 4 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 4 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:17:29] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:29] [INFO ] Invariant cache hit.
[2024-05-31 21:17:29] [INFO ] Implicit Places using invariants in 66 ms returned []
[2024-05-31 21:17:29] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:29] [INFO ] Invariant cache hit.
[2024-05-31 21:17:29] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:17:29] [INFO ] Implicit Places using invariants and state equation in 121 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
[2024-05-31 21:17:29] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:17:29] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:29] [INFO ] Invariant cache hit.
[2024-05-31 21:17:29] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4513 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7053 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 11728ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 11731ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11935 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-31 21:17:41] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
Found an invariant !
This invariant on transitions {30=1, 79=1, 130=1, 157=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 80=1, 131=1, 156=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 7) seen :[2, 3, 7, 6, 7, 3, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 1227 ms. (32 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 82 ms. (481 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 112 ms. (354 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 101 ms. (392 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40003 steps (8 resets) in 66 ms. (597 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 7/7 properties
BEST_FIRST walk for 40004 steps (8 resets) in 65 ms. (606 steps per ms) remains 7/7 properties
Interrupted probabilistic random walk after 292171 steps, run timeout after 3001 ms. (steps per millisecond=97 ) properties seen :0 out of 7
Probabilistic random walk after 292171 steps, saw 188599 distinct states, run finished after 3004 ms. (steps per millisecond=97 ) properties seen :0
[2024-05-31 21:17:44] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:17:44] [INFO ] Invariant cache hit.
[2024-05-31 21:17:44] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 21/28 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 103/131 variables, 18/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/131 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/131 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 7 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (OVERLAPS) 9/140 variables, 1/30 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/140 variables, 1/31 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 0/31 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (OVERLAPS) 107/247 variables, 65/96 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/247 variables, 24/120 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/247 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (OVERLAPS) 6/253 variables, 1/121 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/253 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 9/262 variables, 10/131 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 7 unsolved in 250 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 7 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/7 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 1 (OVERLAPS) 21/28 variables, 7/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/28 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 3 (OVERLAPS) 103/131 variables, 18/25 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/131 variables, 1/26 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/131 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/131 variables, 6/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/131 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 8 (OVERLAPS) 9/140 variables, 1/36 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/140 variables, 1/37 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/140 variables, 0/37 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 11 (OVERLAPS) 107/247 variables, 65/102 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/247 variables, 24/126 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/247 variables, 1/127 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/247 variables, 0/127 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 15 (OVERLAPS) 6/253 variables, 1/128 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/253 variables, 0/128 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 17 (OVERLAPS) 9/262 variables, 10/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/262 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
At refinement iteration 19 (OVERLAPS) 0/262 variables, 0/138 constraints. Problems are: Problem set: 0 solved, 7 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 138 constraints, problems are : Problem set: 0 solved, 7 unsolved in 291 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 7/7 constraints, Known Traps: 0/0 constraints]
After SMT, in 546ms problems are : Problem set: 0 solved, 7 unsolved
Fused 7 Parikh solutions to 3 different solutions.
Parikh walk visited 1 properties in 21833 ms.
Support contains 6 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 5 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 101/101 places, 251/251 transitions.
RANDOM walk for 40064 steps (8 resets) in 105 ms. (377 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 63 ms. (625 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 73 ms. (540 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 72 ms. (548 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40004 steps (8 resets) in 50 ms. (784 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 68 ms. (579 steps per ms) remains 6/6 properties
BEST_FIRST walk for 40003 steps (8 resets) in 69 ms. (571 steps per ms) remains 6/6 properties
Interrupted probabilistic random walk after 343918 steps, run timeout after 3001 ms. (steps per millisecond=114 ) properties seen :0 out of 6
Probabilistic random walk after 343918 steps, saw 222616 distinct states, run finished after 3001 ms. (steps per millisecond=114 ) properties seen :0
[2024-05-31 21:18:10] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:18:10] [INFO ] Invariant cache hit.
[2024-05-31 21:18:10] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 18/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 101/125 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 0/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (OVERLAPS) 11/136 variables, 2/26 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/136 variables, 3/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/136 variables, 0/29 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (OVERLAPS) 110/246 variables, 66/95 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/246 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 6 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/252 variables, 1/120 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/252 variables, 0/120 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (OVERLAPS) 10/262 variables, 11/131 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 6 unsolved in 223 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 6 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/6 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 1 (OVERLAPS) 18/24 variables, 6/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/24 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 3 (OVERLAPS) 101/125 variables, 15/21 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/125 variables, 3/24 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/125 variables, 6/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/125 variables, 0/30 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 7 (OVERLAPS) 11/136 variables, 2/32 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/136 variables, 3/35 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/136 variables, 0/35 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 10 (OVERLAPS) 110/246 variables, 66/101 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/246 variables, 24/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/246 variables, 0/125 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 13 (OVERLAPS) 6/252 variables, 1/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/252 variables, 0/126 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 15 (OVERLAPS) 10/262 variables, 11/137 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/262 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 6 unsolved
At refinement iteration 17 (OVERLAPS) 0/262 variables, 0/137 constraints. Problems are: Problem set: 0 solved, 6 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 137 constraints, problems are : Problem set: 0 solved, 6 unsolved in 240 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 6/6 constraints, Known Traps: 0/0 constraints]
After SMT, in 482ms problems are : Problem set: 0 solved, 6 unsolved
Fused 6 Parikh solutions to 1 different solutions.
Parikh walk visited 0 properties in 16181 ms.
Support contains 6 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 5 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 101/101 places, 251/251 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Applied a total of 0 rules in 5 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-31 21:18:27] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:18:27] [INFO ] Invariant cache hit.
[2024-05-31 21:18:27] [INFO ] Implicit Places using invariants in 67 ms returned []
[2024-05-31 21:18:27] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:18:27] [INFO ] Invariant cache hit.
[2024-05-31 21:18:27] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:18:27] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2024-05-31 21:18:27] [INFO ] Redundant transitions in 1 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-31 21:18:27] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:18:27] [INFO ] Invariant cache hit.
[2024-05-31 21:18:27] [INFO ] State equation strengthened by 27 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (OVERLAPS) 0/262 variables, 0/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Real declared 262/262 variables, and 131 constraints, problems are : Problem set: 0 solved, 249 unsolved in 4643 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 249 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/101 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/101 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 2 (OVERLAPS) 161/262 variables, 101/104 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/262 variables, 27/131 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/262 variables, 249/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
At refinement iteration 6 (OVERLAPS) 0/262 variables, 0/380 constraints. Problems are: Problem set: 0 solved, 249 unsolved
No progress, stopping.
After SMT solving in domain Int declared 262/262 variables, and 380 constraints, problems are : Problem set: 0 solved, 249 unsolved in 7134 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 101/101 constraints, ReadFeed: 27/27 constraints, PredecessorRefiner: 249/249 constraints, Known Traps: 0/0 constraints]
After SMT, in 11937ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 11941ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12159 ms. Remains : 101/101 places, 251/251 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 90 transitions
Reduce isomorphic transitions removed 90 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 98 rules applied. Total rules applied 98 place count 101 transition count 153
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 106 place count 93 transition count 153
Performed 20 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 20 Pre rules applied. Total rules applied 106 place count 93 transition count 133
Deduced a syphon composed of 20 places in 0 ms
Reduce places removed 20 places and 0 transitions.
Iterating global reduction 2 with 40 rules applied. Total rules applied 146 place count 73 transition count 133
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 178 place count 57 transition count 117
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 50 transition count 103
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 50 transition count 103
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 199 place count 43 transition count 89
Iterating global reduction 2 with 7 rules applied. Total rules applied 206 place count 43 transition count 89
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 213 place count 36 transition count 75
Iterating global reduction 2 with 7 rules applied. Total rules applied 220 place count 36 transition count 75
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 227 place count 36 transition count 68
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 227 place count 36 transition count 67
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 229 place count 35 transition count 67
Performed 3 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 3 places in 0 ms
Reduce places removed 3 places and 0 transitions.
Iterating global reduction 3 with 6 rules applied. Total rules applied 235 place count 32 transition count 68
Drop transitions (Redundant composition of simpler transitions.) removed 1 transitions
Redundant transition composition rules discarded 1 transitions
Iterating global reduction 3 with 1 rules applied. Total rules applied 236 place count 32 transition count 67
Applied a total of 236 rules in 27 ms. Remains 32 /101 variables (removed 69) and now considering 67/251 (removed 184) transitions.
Running SMT prover for 6 properties.
// Phase 1: matrix 67 rows 32 cols
[2024-05-31 21:18:39] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:18:39] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:18:39] [INFO ] After 27ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1 real:5
[2024-05-31 21:18:39] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:18:39] [INFO ] After 3ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-31 21:18:39] [INFO ] After 69ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:6
[2024-05-31 21:18:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:18:39] [INFO ] After 21ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :6
[2024-05-31 21:18:39] [INFO ] After 12ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :6
TRAPS : Iteration 0
[2024-05-31 21:18:39] [INFO ] After 32ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :6
[2024-05-31 21:18:39] [INFO ] After 93ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :6
Over-approximation ignoring read arcs solved 0 properties in 198 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[69, 224, 945, 138, 219, 128, 296] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-01
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:18:39] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:18:39] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10016 steps (2 resets) in 10 ms. (910 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:18:39] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:18:39] [INFO ] Invariant cache hit.
[2024-05-31 21:18:39] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:39] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:18:39] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:18:39] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:39] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:39] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:18:39] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:18:39] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:39] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:18:39] [INFO ] Added : 25 causal constraints over 7 iterations in 77 ms. Result :sat
Minimization took 29 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 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Graph (complete) has 428 edges and 101 vertex of which 98 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 98 transition count 246
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 95 transition count 238
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 95 transition count 238
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 95 transition count 236
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 93 transition count 232
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 93 transition count 232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 91 transition count 226
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 91 transition count 226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 89 transition count 222
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 89 transition count 222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 87 transition count 218
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 87 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 85 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 85 transition count 214
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 35 place count 84 transition count 212
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 37 place count 83 transition count 210
Iterating global reduction 2 with 1 rules applied. Total rules applied 38 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 82 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 82 transition count 208
Applied a total of 40 rules in 23 ms. Remains 82 /101 variables (removed 19) and now considering 208/251 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 23 ms. Remains : 82/101 places, 208/251 transitions.
[2024-05-31 21:18:39] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 21:18:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2024-05-31 21:18:40] [INFO ] Computed 3 invariants in 3 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000003 steps (2 resets) in 863 ms. (1157 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 615 ms. (1623 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[211] Max Struct:[+inf]
[2024-05-31 21:18:41] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:41] [INFO ] Invariant cache hit.
[2024-05-31 21:18:41] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:18:41] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:18:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:41] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:41] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:41] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:41] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:18:41] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:18:41] [INFO ] Deduced a trap composed of 19 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:18:41] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-31 21:18:41] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 6 ms.
[2024-05-31 21:18:41] [INFO ] Added : 21 causal constraints over 6 iterations in 52 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[211] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[211] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:18:41] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:41] [INFO ] Invariant cache hit.
[2024-05-31 21:18:41] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-31 21:18:41] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:41] [INFO ] Invariant cache hit.
[2024-05-31 21:18:41] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:41] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
[2024-05-31 21:18:41] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:18:41] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:41] [INFO ] Invariant cache hit.
[2024-05-31 21:18:41] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3030 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 4999 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8147ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8150ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8344 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:18:50] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[211] Max Struct:[+inf]
[2024-05-31 21:18:50] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:50] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[211] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 912 ms. (1095 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 634 ms. (1574 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[217] Max Struct:[+inf]
[2024-05-31 21:18:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:51] [INFO ] Invariant cache hit.
[2024-05-31 21:18:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:18:51] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:18:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:51] [INFO ] [Real]Added 18 Read/Feed constraints in 10 ms returned sat
[2024-05-31 21:18:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:18:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:18:51] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:18:51] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:18:51] [INFO ] Deduced a trap composed of 19 places in 40 ms of which 1 ms to minimize.
[2024-05-31 21:18:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 47 ms
[2024-05-31 21:18:51] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 6 ms.
[2024-05-31 21:18:51] [INFO ] Added : 21 causal constraints over 6 iterations in 56 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[217] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[217] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:18:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:52] [INFO ] Invariant cache hit.
[2024-05-31 21:18:52] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-31 21:18:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:52] [INFO ] Invariant cache hit.
[2024-05-31 21:18:52] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:18:52] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 197 ms to find 0 implicit places.
[2024-05-31 21:18:52] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:18:52] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:18:52] [INFO ] Invariant cache hit.
[2024-05-31 21:18:52] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3098 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5137 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8345ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8347ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8553 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:19:00] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 36 ms. (steps per millisecond=277 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[217] Max Struct:[+inf]
[2024-05-31 21:19:00] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[217] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 912 ms. (1095 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 627 ms. (1592 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[217] Max Struct:[+inf]
[2024-05-31 21:19:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:02] [INFO ] Invariant cache hit.
[2024-05-31 21:19:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:02] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:19:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:02] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:02] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:19:02] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:19:02] [INFO ] Deduced a trap composed of 19 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:19:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 51 ms
[2024-05-31 21:19:02] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 9 ms.
[2024-05-31 21:19:02] [INFO ] Added : 21 causal constraints over 6 iterations in 55 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[217] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[217] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:19:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:02] [INFO ] Invariant cache hit.
[2024-05-31 21:19:02] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:19:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:02] [INFO ] Invariant cache hit.
[2024-05-31 21:19:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:02] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 191 ms to find 0 implicit places.
[2024-05-31 21:19:02] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:19:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:02] [INFO ] Invariant cache hit.
[2024-05-31 21:19:02] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3070 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5093 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8267ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8269ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8468 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:19:10] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[217] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1954470 steps, run timeout after 3001 ms. (steps per millisecond=651 ) properties seen :0 out of 1
Probabilistic random walk after 1954470 steps, saw 1216445 distinct states, run finished after 3001 ms. (steps per millisecond=651 ) properties seen :0
[2024-05-31 21:19:14] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:14] [INFO ] Invariant cache hit.
[2024-05-31 21:19:14] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 93 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 80 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 177ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 404 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40001 steps (8 resets) in 76 ms. (519 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 1943319 steps, run timeout after 3001 ms. (steps per millisecond=647 ) properties seen :0 out of 1
Probabilistic random walk after 1943319 steps, saw 1209507 distinct states, run finished after 3001 ms. (steps per millisecond=647 ) properties seen :0
[2024-05-31 21:19:17] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:17] [INFO ] Invariant cache hit.
[2024-05-31 21:19:17] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 83 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 193ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 434 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:19:18] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:18] [INFO ] Invariant cache hit.
[2024-05-31 21:19:18] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-31 21:19:18] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:18] [INFO ] Invariant cache hit.
[2024-05-31 21:19:18] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:19:18] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2024-05-31 21:19:18] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:19:18] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:19:18] [INFO ] Invariant cache hit.
[2024-05-31 21:19:18] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3013 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 4900 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8019ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8021ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8204 ms. Remains : 82/82 places, 208/208 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 87 rules applied. Total rules applied 87 place count 82 transition count 121
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 75 transition count 121
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 94 place count 75 transition count 105
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 126 place count 59 transition count 105
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 62
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 48
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 48
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 40
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 40
Applied a total of 211 rules in 13 ms. Remains 20 /82 variables (removed 62) and now considering 40/208 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 40 rows 20 cols
[2024-05-31 21:19:26] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:19:26] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:26] [INFO ] After 10ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:19:26] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:19:26] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:19:26] [INFO ] After 40ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:19:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:26] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:19:26] [INFO ] After 5ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:19:26] [INFO ] After 7ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:19:26] [INFO ] After 34ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 90 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[217] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-01 in 47008 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-02
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:19:26] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:19:26] [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 11 ms. (833 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 21:19:26] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:19:26] [INFO ] Invariant cache hit.
[2024-05-31 21:19:26] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:19:26] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:19:26] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:19:26] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:26] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:26] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:19:26] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:19:26] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:26] [INFO ] Deduced a trap composed of 20 places in 53 ms of which 1 ms to minimize.
[2024-05-31 21:19:26] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-31 21:19:26] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:19:26] [INFO ] Deduced a trap composed of 28 places in 43 ms of which 1 ms to minimize.
[2024-05-31 21:19:26] [INFO ] Deduced a trap composed of 25 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:19:27] [INFO ] Deduced a trap composed of 17 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:19:27] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 152 ms
[2024-05-31 21:19:27] [INFO ] Added : 4 causal constraints over 2 iterations in 192 ms. Result :sat
Minimization took 31 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 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Graph (complete) has 428 edges and 101 vertex of which 98 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 98 transition count 246
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 95 transition count 236
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 95 transition count 236
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 15 place count 92 transition count 230
Iterating global reduction 1 with 3 rules applied. Total rules applied 18 place count 92 transition count 230
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 21 place count 89 transition count 220
Iterating global reduction 1 with 3 rules applied. Total rules applied 24 place count 89 transition count 220
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 27 place count 86 transition count 214
Iterating global reduction 1 with 3 rules applied. Total rules applied 30 place count 86 transition count 214
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 33 place count 83 transition count 208
Iterating global reduction 1 with 3 rules applied. Total rules applied 36 place count 83 transition count 208
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 39 place count 80 transition count 202
Iterating global reduction 1 with 3 rules applied. Total rules applied 42 place count 80 transition count 202
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 44 place count 78 transition count 198
Iterating global reduction 1 with 2 rules applied. Total rules applied 46 place count 78 transition count 198
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 48 place count 76 transition count 194
Iterating global reduction 1 with 2 rules applied. Total rules applied 50 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 51 place count 75 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 52 place count 75 transition count 192
Applied a total of 52 rules in 15 ms. Remains 75 /101 variables (removed 26) and now considering 192/251 (removed 59) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 75/101 places, 192/251 transitions.
[2024-05-31 21:19:27] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-31 21:19:27] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-31 21:19:27] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 867 ms. (1152 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 553 ms. (1805 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[938] Max Struct:[+inf]
[2024-05-31 21:19:28] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:28] [INFO ] Invariant cache hit.
[2024-05-31 21:19:28] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:19:28] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:19:28] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:28] [INFO ] [Real]Added 17 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:19:28] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:28] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:28] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:19:28] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:19:28] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:19:28] [INFO ] Added : 7 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[938] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[938] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:19:29] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:29] [INFO ] Invariant cache hit.
[2024-05-31 21:19:29] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-31 21:19:29] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:29] [INFO ] Invariant cache hit.
[2024-05-31 21:19:29] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:29] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
[2024-05-31 21:19:29] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:19:29] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:29] [INFO ] Invariant cache hit.
[2024-05-31 21:19:29] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2695 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4128 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6923ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6925ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7087 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:19:36] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[938] Max Struct:[+inf]
[2024-05-31 21:19:36] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:36] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[938] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 880 ms. (1135 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 551 ms. (1811 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[943] Max Struct:[+inf]
[2024-05-31 21:19:38] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:38] [INFO ] Invariant cache hit.
[2024-05-31 21:19:38] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:38] [INFO ] [Real]Absence check using state equation in 19 ms returned sat
[2024-05-31 21:19:38] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:38] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:19:38] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:38] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:38] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:19:38] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:19:38] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-31 21:19:38] [INFO ] Added : 7 causal constraints over 4 iterations in 37 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[943] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[943] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:19:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:39] [INFO ] Invariant cache hit.
[2024-05-31 21:19:39] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 21:19:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:39] [INFO ] Invariant cache hit.
[2024-05-31 21:19:39] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:39] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 184 ms to find 0 implicit places.
[2024-05-31 21:19:39] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:19:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:39] [INFO ] Invariant cache hit.
[2024-05-31 21:19:39] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2694 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4240 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 7047ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 7049ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7242 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:19:46] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 26 ms. (steps per millisecond=384 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[943] Max Struct:[+inf]
[2024-05-31 21:19:46] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:46] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[943] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 889 ms. (1123 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:[987] Max Struct:[+inf]
[2024-05-31 21:19:48] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:48] [INFO ] Invariant cache hit.
[2024-05-31 21:19:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:48] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:19:48] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:48] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:19:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:48] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:19:48] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:19:48] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:19:48] [INFO ] Added : 7 causal constraints over 4 iterations in 38 ms. Result :sat
Minimization took 18 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[987] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[987] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:19:49] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:49] [INFO ] Invariant cache hit.
[2024-05-31 21:19:49] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:19:49] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:49] [INFO ] Invariant cache hit.
[2024-05-31 21:19:49] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:49] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 154 ms to find 0 implicit places.
[2024-05-31 21:19:49] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:19:49] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:49] [INFO ] Invariant cache hit.
[2024-05-31 21:19:49] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2648 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4043 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6789ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6791ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6954 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:19:56] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[987] Max Struct:[+inf]
[2024-05-31 21:19:56] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[987] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 856 ms. (1166 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 551 ms. (1811 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[987] Max Struct:[+inf]
[2024-05-31 21:19:57] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:57] [INFO ] Invariant cache hit.
[2024-05-31 21:19:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:57] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:19:57] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:57] [INFO ] [Real]Added 17 Read/Feed constraints in 1 ms returned sat
[2024-05-31 21:19:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:19:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:19:57] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:19:57] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:19:57] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:19:57] [INFO ] Added : 7 causal constraints over 4 iterations in 40 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[987] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[987] Max Struct:[+inf]
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:19:58] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:58] [INFO ] Invariant cache hit.
[2024-05-31 21:19:58] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:19:58] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:58] [INFO ] Invariant cache hit.
[2024-05-31 21:19:58] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:19:58] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 176 ms to find 0 implicit places.
[2024-05-31 21:19:58] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:19:58] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:19:58] [INFO ] Invariant cache hit.
[2024-05-31 21:19:58] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2683 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4148 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6925ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6927ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7110 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-31 21:20:05] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[987] Max Struct:[+inf]
RANDOM walk for 40004 steps (8 resets) in 67 ms. (588 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2059217 steps, run timeout after 3001 ms. (steps per millisecond=686 ) properties seen :0 out of 1
Probabilistic random walk after 2059217 steps, saw 1281770 distinct states, run finished after 3001 ms. (steps per millisecond=686 ) properties seen :0
[2024-05-31 21:20:08] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:20:08] [INFO ] Invariant cache hit.
[2024-05-31 21:20:08] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 89 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 189ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 577 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 75/75 places, 192/192 transitions.
RANDOM walk for 40000 steps (8 resets) in 54 ms. (727 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 2052161 steps, run timeout after 3001 ms. (steps per millisecond=683 ) properties seen :0 out of 1
Probabilistic random walk after 2052161 steps, saw 1277378 distinct states, run finished after 3001 ms. (steps per millisecond=683 ) properties seen :0
[2024-05-31 21:20:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:20:12] [INFO ] Invariant cache hit.
[2024-05-31 21:20:12] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 92 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/76 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 3/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 1/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/79 variables, 0/16 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 90/169 variables, 50/66 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 16/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/169 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 6/175 variables, 1/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/175 variables, 0/83 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 10/185 variables, 9/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 4/189 variables, 2/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (INCLUDED_ONLY) 0/189 variables, 0/94 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (OVERLAPS) 3/192 variables, 2/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (INCLUDED_ONLY) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 24 (OVERLAPS) 0/192 variables, 0/96 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 96 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 208ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 587 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 8 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 4 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-31 21:20:13] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:20:13] [INFO ] Invariant cache hit.
[2024-05-31 21:20:13] [INFO ] Implicit Places using invariants in 51 ms returned []
[2024-05-31 21:20:13] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:20:13] [INFO ] Invariant cache hit.
[2024-05-31 21:20:13] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:20:13] [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.
[2024-05-31 21:20:13] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-31 21:20:13] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-31 21:20:13] [INFO ] Invariant cache hit.
[2024-05-31 21:20:13] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2660 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 190 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 190/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 6 (OVERLAPS) 0/192 variables, 0/285 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Int declared 192/192 variables, and 285 constraints, problems are : Problem set: 0 solved, 190 unsolved in 4101 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 75/75 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 190/190 constraints, Known Traps: 0/0 constraints]
After SMT, in 6853ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6854ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7019 ms. Remains : 75/75 places, 192/192 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 75 transitions
Reduce isomorphic transitions removed 75 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 81 rules applied. Total rules applied 81 place count 75 transition count 111
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 87 place count 69 transition count 111
Performed 11 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 11 Pre rules applied. Total rules applied 87 place count 69 transition count 100
Deduced a syphon composed of 11 places in 0 ms
Reduce places removed 11 places and 0 transitions.
Iterating global reduction 2 with 22 rules applied. Total rules applied 109 place count 58 transition count 100
Performed 17 Post agglomeration using F-continuation condition.Transition count delta: 17
Deduced a syphon composed of 17 places in 0 ms
Reduce places removed 17 places and 0 transitions.
Iterating global reduction 2 with 34 rules applied. Total rules applied 143 place count 41 transition count 83
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 150 place count 34 transition count 69
Iterating global reduction 2 with 7 rules applied. Total rules applied 157 place count 34 transition count 69
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 164 place count 27 transition count 55
Iterating global reduction 2 with 7 rules applied. Total rules applied 171 place count 27 transition count 55
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 178 place count 20 transition count 41
Iterating global reduction 2 with 7 rules applied. Total rules applied 185 place count 20 transition count 41
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 192 place count 20 transition count 34
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 192 place count 20 transition count 33
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 194 place count 19 transition count 33
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 196 place count 18 transition count 33
Drop transitions (Redundant composition of simpler transitions.) removed 3 transitions
Redundant transition composition rules discarded 3 transitions
Iterating global reduction 3 with 3 rules applied. Total rules applied 199 place count 18 transition count 30
Applied a total of 199 rules in 11 ms. Remains 18 /75 variables (removed 57) and now considering 30/192 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2024-05-31 21:20:20] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:20:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:20] [INFO ] After 8ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:20:20] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:20:20] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:20:20] [INFO ] After 31ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:20:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:20:20] [INFO ] After 7ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:20:20] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:20:20] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:20:20] [INFO ] After 29ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 75 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[987] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-02 in 53922 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-03
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:20:20] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:20:20] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10001 steps (2 resets) in 10 ms. (909 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]
[2024-05-31 21:20:20] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:20:20] [INFO ] Invariant cache hit.
[2024-05-31 21:20:20] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:20:20] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:20:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:20:20] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:20:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:20:20] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:20:20] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:20:20] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:20:20] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-31 21:20:20] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:20:20] [INFO ] Added : 7 causal constraints over 3 iterations in 41 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[12] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[12] Max Struct:[+inf]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Graph (complete) has 428 edges and 101 vertex of which 98 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 98 transition count 246
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 94 transition count 234
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 94 transition count 234
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 94 transition count 232
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 19 place count 91 transition count 226
Iterating global reduction 2 with 3 rules applied. Total rules applied 22 place count 91 transition count 226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 88 transition count 216
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 88 transition count 216
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 85 transition count 210
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 85 transition count 210
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 37 place count 82 transition count 204
Iterating global reduction 2 with 3 rules applied. Total rules applied 40 place count 82 transition count 204
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 79 transition count 198
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 79 transition count 198
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 77 transition count 194
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 77 transition count 194
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 52 place count 75 transition count 190
Iterating global reduction 2 with 2 rules applied. Total rules applied 54 place count 75 transition count 190
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 55 place count 74 transition count 188
Iterating global reduction 2 with 1 rules applied. Total rules applied 56 place count 74 transition count 188
Applied a total of 56 rules in 21 ms. Remains 74 /101 variables (removed 27) and now considering 188/251 (removed 63) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 21 ms. Remains : 74/101 places, 188/251 transitions.
[2024-05-31 21:20:20] [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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[12]
Current structural bounds on expressions (after cover walk) : Max Seen:[12] Max Struct:[+inf]
[2024-05-31 21:20:20] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
// Phase 1: matrix 115 rows 74 cols
[2024-05-31 21:20:20] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[12] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 865 ms. (1154 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 630 ms. (1584 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2152] Max Struct:[+inf]
[2024-05-31 21:20:22] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:22] [INFO ] Invariant cache hit.
[2024-05-31 21:20:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:22] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:20:22] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:20:22] [INFO ] [Real]Added 17 Read/Feed constraints in 1 ms returned sat
[2024-05-31 21:20:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:20:22] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:20:22] [INFO ] [Nat]Added 17 Read/Feed constraints in 1 ms returned sat
[2024-05-31 21:20:22] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 7 ms.
[2024-05-31 21:20:22] [INFO ] Deduced a trap composed of 30 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:20:22] [INFO ] Deduced a trap composed of 25 places in 34 ms of which 1 ms to minimize.
[2024-05-31 21:20:22] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 1 ms to minimize.
[2024-05-31 21:20:22] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 129 ms
[2024-05-31 21:20:22] [INFO ] Added : 11 causal constraints over 5 iterations in 174 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2152] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2152] 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 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 21:20:24] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:24] [INFO ] Invariant cache hit.
[2024-05-31 21:20:24] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-31 21:20:24] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:24] [INFO ] Invariant cache hit.
[2024-05-31 21:20:24] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:20:24] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 148 ms to find 0 implicit places.
[2024-05-31 21:20:24] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 21:20:24] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:24] [INFO ] Invariant cache hit.
[2024-05-31 21:20:24] [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 2773 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 3995 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 6860ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6862ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7017 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 21:20:31] [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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[2152] Max Struct:[+inf]
[2024-05-31 21:20:31] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2152] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 862 ms. (1158 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 618 ms. (1615 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2195] Max Struct:[+inf]
[2024-05-31 21:20:32] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:32] [INFO ] Invariant cache hit.
[2024-05-31 21:20:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:32] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:20:32] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:20:32] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:20:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:20:32] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:20:32] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:20:32] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-31 21:20:32] [INFO ] Deduced a trap composed of 30 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:20:32] [INFO ] Deduced a trap composed of 25 places in 36 ms of which 1 ms to minimize.
[2024-05-31 21:20:33] [INFO ] Deduced a trap composed of 22 places in 35 ms of which 1 ms to minimize.
[2024-05-31 21:20:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 132 ms
[2024-05-31 21:20:33] [INFO ] Added : 11 causal constraints over 5 iterations in 180 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2195] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2195] 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 13 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 21:20:34] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:34] [INFO ] Invariant cache hit.
[2024-05-31 21:20:34] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:20:34] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:34] [INFO ] Invariant cache hit.
[2024-05-31 21:20:34] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:20:34] [INFO ] Implicit Places using invariants and state equation in 94 ms returned []
Implicit Place search using SMT with State Equation took 152 ms to find 0 implicit places.
[2024-05-31 21:20:34] [INFO ] Redundant transitions in 0 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 21:20:34] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:34] [INFO ] Invariant cache hit.
[2024-05-31 21:20:34] [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 2758 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 4196 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 7053ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7055ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7224 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 21:20:41] [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 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[12]
Current structural bounds on expressions (after cover walk) : Max Seen:[2195] Max Struct:[+inf]
[2024-05-31 21:20:41] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:41] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[2195] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 846 ms. (1180 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 620 ms. (1610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2195] Max Struct:[+inf]
[2024-05-31 21:20:43] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:43] [INFO ] Invariant cache hit.
[2024-05-31 21:20:43] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:43] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:20:43] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:20:43] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:20:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:20:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:20:43] [INFO ] [Nat]Absence check using state equation in 19 ms returned sat
[2024-05-31 21:20:43] [INFO ] [Nat]Added 17 Read/Feed constraints in 1 ms returned sat
[2024-05-31 21:20:43] [INFO ] Computed and/alt/rep : 60/195/52 causal constraints (skipped 61 transitions) in 6 ms.
[2024-05-31 21:20:43] [INFO ] Deduced a trap composed of 30 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:20:43] [INFO ] Deduced a trap composed of 25 places in 34 ms of which 0 ms to minimize.
[2024-05-31 21:20:43] [INFO ] Deduced a trap composed of 22 places in 34 ms of which 0 ms to minimize.
[2024-05-31 21:20:43] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 127 ms
[2024-05-31 21:20:43] [INFO ] Added : 11 causal constraints over 5 iterations in 167 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2195] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2195] Max Struct:[+inf]
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 21:20:45] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:45] [INFO ] Invariant cache hit.
[2024-05-31 21:20:45] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-31 21:20:45] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:45] [INFO ] Invariant cache hit.
[2024-05-31 21:20:45] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:20:45] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-31 21:20:45] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 21:20:45] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:45] [INFO ] Invariant cache hit.
[2024-05-31 21:20:45] [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 2851 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 4183 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 7140ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 7142ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7330 ms. Remains : 74/74 places, 188/188 transitions.
[2024-05-31 21:20:52] [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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[14]
Current structural bounds on expressions (after cover walk) : Max Seen:[2195] Max Struct:[+inf]
RANDOM walk for 40000 steps (8 resets) in 56 ms. (701 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 28 ms. (1379 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2070575 steps, run timeout after 3001 ms. (steps per millisecond=689 ) properties seen :0 out of 1
Probabilistic random walk after 2070575 steps, saw 1288838 distinct states, run finished after 3001 ms. (steps per millisecond=689 ) properties seen :0
[2024-05-31 21:20:55] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:55] [INFO ] Invariant cache hit.
[2024-05-31 21:20:55] [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 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1016 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 74/74 places, 188/188 transitions.
RANDOM walk for 40002 steps (8 resets) in 50 ms. (784 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 26 ms. (1481 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2042345 steps, run timeout after 3001 ms. (steps per millisecond=680 ) properties seen :0 out of 1
Probabilistic random walk after 2042345 steps, saw 1271265 distinct states, run finished after 3001 ms. (steps per millisecond=680 ) properties seen :0
[2024-05-31 21:20:59] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:20:59] [INFO ] Invariant cache hit.
[2024-05-31 21:20:59] [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 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 64/68 variables, 5/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/68 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 6/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/74 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 0/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 92/166 variables, 53/63 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/166 variables, 17/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/166 variables, 1/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/166 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/172 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/172 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/182 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/186 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/186 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 3/189 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/189 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 189/189 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 74/74 constraints, ReadFeed: 17/17 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 153ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1017 ms.
Support contains 1 out of 74 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 74/74 places, 188/188 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 74/74 places, 188/188 transitions.
Applied a total of 0 rules in 2 ms. Remains 74 /74 variables (removed 0) and now considering 188/188 (removed 0) transitions.
[2024-05-31 21:21:00] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:21:00] [INFO ] Invariant cache hit.
[2024-05-31 21:21:00] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:21:00] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:21:00] [INFO ] Invariant cache hit.
[2024-05-31 21:21:00] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-31 21:21:01] [INFO ] Implicit Places using invariants and state equation in 91 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
[2024-05-31 21:21:01] [INFO ] Redundant transitions in 1 ms returned []
Running 186 sub problems to find dead transitions.
[2024-05-31 21:21:01] [INFO ] Flow matrix only has 115 transitions (discarded 73 similar events)
[2024-05-31 21:21:01] [INFO ] Invariant cache hit.
[2024-05-31 21:21:01] [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 2734 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 4104 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 6929ms problems are : Problem set: 0 solved, 186 unsolved
Search for dead transitions found 0 dead transitions in 6931ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7088 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
[2024-05-31 21:21:07] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 21:21:07] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:08] [INFO ] After 23ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:21:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:08] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:21:08] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:21:08] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:21:08] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:21:08] [INFO ] After 30ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 69 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[2195] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-03 in 47487 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-05
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:21:08] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:21:08] [INFO ] Computed 3 invariants in 6 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 12 ms. (769 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[73] Max Struct:[+inf]
[2024-05-31 21:21:08] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:21:08] [INFO ] Invariant cache hit.
[2024-05-31 21:21:08] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:21:08] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:21:08] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:21:08] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-31 21:21:08] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:21:08] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:08] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:21:08] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:21:08] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-31 21:21:08] [INFO ] Deduced a trap composed of 18 places in 44 ms of which 0 ms to minimize.
[2024-05-31 21:21:08] [INFO ] Deduced a trap composed of 24 places in 44 ms of which 1 ms to minimize.
[2024-05-31 21:21:08] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 156 ms
[2024-05-31 21:21:08] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:21:08] [INFO ] Added : 5 causal constraints over 2 iterations in 34 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[73] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[+inf]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Discarding 4 places :
Symmetric choice reduction at 0 with 4 rule applications. Total rules 4 place count 97 transition count 239
Iterating global reduction 0 with 4 rules applied. Total rules applied 8 place count 97 transition count 239
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 10 place count 97 transition count 237
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 13 place count 94 transition count 231
Iterating global reduction 1 with 3 rules applied. Total rules applied 16 place count 94 transition count 231
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 19 place count 91 transition count 221
Iterating global reduction 1 with 3 rules applied. Total rules applied 22 place count 91 transition count 221
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 25 place count 88 transition count 215
Iterating global reduction 1 with 3 rules applied. Total rules applied 28 place count 88 transition count 215
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 31 place count 85 transition count 209
Iterating global reduction 1 with 3 rules applied. Total rules applied 34 place count 85 transition count 209
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 37 place count 82 transition count 203
Iterating global reduction 1 with 3 rules applied. Total rules applied 40 place count 82 transition count 203
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 42 place count 80 transition count 199
Iterating global reduction 1 with 2 rules applied. Total rules applied 44 place count 80 transition count 199
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 46 place count 78 transition count 195
Iterating global reduction 1 with 2 rules applied. Total rules applied 48 place count 78 transition count 195
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 50 place count 76 transition count 191
Iterating global reduction 1 with 2 rules applied. Total rules applied 52 place count 76 transition count 191
Applied a total of 52 rules in 10 ms. Remains 76 /101 variables (removed 25) and now considering 191/251 (removed 60) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 10 ms. Remains : 76/101 places, 191/251 transitions.
[2024-05-31 21:21:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[16]
Current structural bounds on expressions (after cover walk) : Max Seen:[128] Max Struct:[+inf]
[2024-05-31 21:21:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-31 21:21:08] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 889 ms. (1123 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 524 ms. (1904 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[+inf]
[2024-05-31 21:21:10] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:21:10] [INFO ] Invariant cache hit.
[2024-05-31 21:21:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:10] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:21:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:10] [INFO ] [Real]Added 18 Read/Feed constraints in 11 ms returned sat
[2024-05-31 21:21:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:21:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:21:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:21:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:21:10] [INFO ] Deduced a trap composed of 16 places in 40 ms of which 1 ms to minimize.
[2024-05-31 21:21:10] [INFO ] Deduced a trap composed of 22 places in 40 ms of which 1 ms to minimize.
[2024-05-31 21:21:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 91 ms
[2024-05-31 21:21:10] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-31 21:21:10] [INFO ] Added : 13 causal constraints over 4 iterations in 35 ms. Result :sat
Minimization took 21 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[128] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128] Max Struct:[+inf]
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-31 21:21:10] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:21:10] [INFO ] Invariant cache hit.
[2024-05-31 21:21:10] [INFO ] Implicit Places using invariants in 56 ms returned []
[2024-05-31 21:21:10] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:21:10] [INFO ] Invariant cache hit.
[2024-05-31 21:21:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:10] [INFO ] Implicit Places using invariants and state equation in 108 ms returned []
Implicit Place search using SMT with State Equation took 179 ms to find 0 implicit places.
[2024-05-31 21:21:10] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-31 21:21:10] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:21:10] [INFO ] Invariant cache hit.
[2024-05-31 21:21:10] [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 2553 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 189 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/193 variables, 18/97 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/193 variables, 189/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 6 (OVERLAPS) 0/193 variables, 0/286 constraints. Problems are: Problem set: 0 solved, 189 unsolved
No progress, stopping.
After SMT solving in domain Int declared 193/193 variables, and 286 constraints, problems are : Problem set: 0 solved, 189 unsolved in 4322 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 189/189 constraints, Known Traps: 0/0 constraints]
After SMT, in 6983ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6985ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7171 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-31 21:21:17] [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 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[128] Max Struct:[+inf]
RANDOM walk for 40056 steps (8 resets) in 54 ms. (728 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 2076586 steps, run timeout after 3001 ms. (steps per millisecond=691 ) properties seen :0 out of 1
Probabilistic random walk after 2076586 steps, saw 1338836 distinct states, run finished after 3001 ms. (steps per millisecond=691 ) properties seen :0
[2024-05-31 21:21:20] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-31 21:21:20] [INFO ] Invariant cache hit.
[2024-05-31 21:21:20] [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 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) 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 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 161ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 78766 steps, including 284 resets, run visited all 1 properties in 105 ms. (steps per millisecond=750 )
Parikh walk visited 1 properties in 108 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[128] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-05 in 12990 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-06
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:21:21] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:21:21] [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 7 ms. (1250 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1] Max Struct:[+inf]
[2024-05-31 21:21:21] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:21:21] [INFO ] Invariant cache hit.
[2024-05-31 21:21:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:21] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:21:21] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:21:21] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:21:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:21:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:21] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:21:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:21:21] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:21:21] [INFO ] Added : 12 causal constraints over 3 iterations in 45 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1] Max Struct:[+inf]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Graph (complete) has 428 edges and 101 vertex of which 98 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 98 transition count 246
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 95 transition count 236
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 95 transition count 236
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 95 transition count 234
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 93 transition count 230
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 93 transition count 230
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 91 transition count 222
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 91 transition count 222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 89 transition count 218
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 89 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 87 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 87 transition count 214
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 85 transition count 210
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 85 transition count 210
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 36 place count 83 transition count 206
Iterating global reduction 2 with 2 rules applied. Total rules applied 38 place count 83 transition count 206
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 40 place count 81 transition count 202
Iterating global reduction 2 with 2 rules applied. Total rules applied 42 place count 81 transition count 202
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 44 place count 79 transition count 198
Iterating global reduction 2 with 2 rules applied. Total rules applied 46 place count 79 transition count 198
Applied a total of 46 rules in 13 ms. Remains 79 /101 variables (removed 22) and now considering 198/251 (removed 53) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 79/101 places, 198/251 transitions.
[2024-05-31 21:21:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[9]
Current structural bounds on expressions (after cover walk) : Max Seen:[9] Max Struct:[+inf]
[2024-05-31 21:21:21] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-31 21:21:21] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[9] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 883 ms. (1131 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 569 ms. (1754 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[700] Max Struct:[+inf]
[2024-05-31 21:21:22] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:22] [INFO ] Invariant cache hit.
[2024-05-31 21:21:22] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:21:22] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:21:22] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:22] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:21:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:21:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:22] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:21:22] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:21:22] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-31 21:21:22] [INFO ] Added : 15 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[700] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[700] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:21:23] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:23] [INFO ] Invariant cache hit.
[2024-05-31 21:21:23] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:21:23] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:23] [INFO ] Invariant cache hit.
[2024-05-31 21:21:23] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:23] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 174 ms to find 0 implicit places.
[2024-05-31 21:21:23] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:21:23] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:23] [INFO ] Invariant cache hit.
[2024-05-31 21:21:23] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3611 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4450 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 8172ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8173ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8356 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:21:31] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[10]
Current structural bounds on expressions (after cover walk) : Max Seen:[700] Max Struct:[+inf]
[2024-05-31 21:21:31] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:31] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[700] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 934 ms. (1069 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 580 ms. (1721 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[700] Max Struct:[+inf]
[2024-05-31 21:21:32] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:32] [INFO ] Invariant cache hit.
[2024-05-31 21:21:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:21:33] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:21:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:33] [INFO ] [Real]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:21:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:21:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:33] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:21:33] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:21:33] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-31 21:21:33] [INFO ] Added : 15 causal constraints over 4 iterations in 39 ms. Result :sat
Minimization took 22 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[700] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[700] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 4 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:21:33] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:33] [INFO ] Invariant cache hit.
[2024-05-31 21:21:33] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-31 21:21:33] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:33] [INFO ] Invariant cache hit.
[2024-05-31 21:21:33] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:33] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 177 ms to find 0 implicit places.
[2024-05-31 21:21:33] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:21:33] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:33] [INFO ] Invariant cache hit.
[2024-05-31 21:21:33] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3638 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4294 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 8037ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8040ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8224 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-31 21:21:41] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[700] Max Struct:[+inf]
RANDOM walk for 40010 steps (8 resets) in 74 ms. (533 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 25 ms. (1538 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1995378 steps, run timeout after 3001 ms. (steps per millisecond=664 ) properties seen :0 out of 1
Probabilistic random walk after 1995378 steps, saw 1241911 distinct states, run finished after 3001 ms. (steps per millisecond=664 ) properties seen :0
[2024-05-31 21:21:44] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:44] [INFO ] Invariant cache hit.
[2024-05-31 21:21:44] [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) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 84 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 161ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 704 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40012 steps (8 resets) in 51 ms. (769 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 2008956 steps, run timeout after 3001 ms. (steps per millisecond=669 ) properties seen :0 out of 1
Probabilistic random walk after 2008956 steps, saw 1250363 distinct states, run finished after 3001 ms. (steps per millisecond=669 ) properties seen :0
[2024-05-31 21:21:48] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:48] [INFO ] Invariant cache hit.
[2024-05-31 21:21:48] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 85 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 168ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 716 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-31 21:21:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:49] [INFO ] Invariant cache hit.
[2024-05-31 21:21:49] [INFO ] Implicit Places using invariants in 72 ms returned []
[2024-05-31 21:21:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:49] [INFO ] Invariant cache hit.
[2024-05-31 21:21:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:49] [INFO ] Implicit Places using invariants and state equation in 99 ms returned []
Implicit Place search using SMT with State Equation took 173 ms to find 0 implicit places.
[2024-05-31 21:21:49] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-31 21:21:49] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-31 21:21:49] [INFO ] Invariant cache hit.
[2024-05-31 21:21:49] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3573 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4409 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
After SMT, in 8095ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8098ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8279 ms. Remains : 79/79 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 79 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 92 place count 71 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 92 place count 71 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 118 place count 58 transition count 101
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 150 place count 42 transition count 85
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 157 place count 35 transition count 71
Iterating global reduction 2 with 7 rules applied. Total rules applied 164 place count 35 transition count 71
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 28 transition count 57
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 28 transition count 57
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 21 transition count 43
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 21 transition count 43
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 199 place count 21 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 199 place count 21 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 20 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 19 transition count 36
Applied a total of 203 rules in 14 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2024-05-31 21:21:57] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 21:21:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:57] [INFO ] After 28ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:21:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:57] [INFO ] After 9ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:21:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:21:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:21:57] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:21:57] [INFO ] After 33ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 79 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[700] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-06 in 36659 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-09
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:21:57] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:21:57] [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:[0] Max Struct:[+inf]
[2024-05-31 21:21:57] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:21:57] [INFO ] Invariant cache hit.
[2024-05-31 21:21:57] [INFO ] [Real]Absence check using 3 positive place invariants in 5 ms returned sat
[2024-05-31 21:21:57] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-31 21:21:57] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:21:57] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:21:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:21:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:21:57] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-31 21:21:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:21:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-31 21:21:57] [INFO ] Added : 25 causal constraints over 6 iterations in 76 ms. Result :sat
Minimization took 30 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 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Graph (complete) has 428 edges and 101 vertex of which 98 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 98 transition count 246
Discarding 3 places :
Symmetric choice reduction at 1 with 3 rule applications. Total rules 9 place count 95 transition count 238
Iterating global reduction 1 with 3 rules applied. Total rules applied 12 place count 95 transition count 238
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 14 place count 95 transition count 236
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 16 place count 93 transition count 232
Iterating global reduction 2 with 2 rules applied. Total rules applied 18 place count 93 transition count 232
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 20 place count 91 transition count 226
Iterating global reduction 2 with 2 rules applied. Total rules applied 22 place count 91 transition count 226
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 24 place count 89 transition count 222
Iterating global reduction 2 with 2 rules applied. Total rules applied 26 place count 89 transition count 222
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 28 place count 87 transition count 218
Iterating global reduction 2 with 2 rules applied. Total rules applied 30 place count 87 transition count 218
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 32 place count 85 transition count 214
Iterating global reduction 2 with 2 rules applied. Total rules applied 34 place count 85 transition count 214
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 35 place count 84 transition count 212
Iterating global reduction 2 with 1 rules applied. Total rules applied 36 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 37 place count 83 transition count 210
Iterating global reduction 2 with 1 rules applied. Total rules applied 38 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 39 place count 82 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 40 place count 82 transition count 208
Applied a total of 40 rules in 11 ms. Remains 82 /101 variables (removed 19) and now considering 208/251 (removed 43) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 82/101 places, 208/251 transitions.
[2024-05-31 21:21:57] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 28 ms. (steps per millisecond=357 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[2] Max Struct:[+inf]
[2024-05-31 21:21:58] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2024-05-31 21:21:58] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[2] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 953 ms. (1048 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 633 ms. (1577 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[184] Max Struct:[+inf]
[2024-05-31 21:21:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:21:59] [INFO ] Invariant cache hit.
[2024-05-31 21:21:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:59] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:21:59] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:21:59] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:21:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:21:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:21:59] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-31 21:21:59] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:21:59] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:21:59] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 53 ms
[2024-05-31 21:21:59] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2024-05-31 21:21:59] [INFO ] Added : 16 causal constraints over 4 iterations in 46 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[184] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[184] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:21:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:21:59] [INFO ] Invariant cache hit.
[2024-05-31 21:21:59] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-31 21:21:59] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:00] [INFO ] Invariant cache hit.
[2024-05-31 21:22:00] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:00] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 180 ms to find 0 implicit places.
[2024-05-31 21:22:00] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:22:00] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:00] [INFO ] Invariant cache hit.
[2024-05-31 21:22:00] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3693 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8823ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8825ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9013 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:22:08] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[184] Max Struct:[+inf]
[2024-05-31 21:22:09] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[184] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 892 ms. (1119 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 628 ms. (1589 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[204] Max Struct:[+inf]
[2024-05-31 21:22:10] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:10] [INFO ] Invariant cache hit.
[2024-05-31 21:22:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:10] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-31 21:22:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:10] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:22:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:22:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:10] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:22:10] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:22:10] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:22:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-31 21:22:10] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-31 21:22:10] [INFO ] Added : 16 causal constraints over 4 iterations in 48 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[204] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[204] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:22:10] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:10] [INFO ] Invariant cache hit.
[2024-05-31 21:22:10] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-31 21:22:10] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:10] [INFO ] Invariant cache hit.
[2024-05-31 21:22:10] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:10] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-31 21:22:10] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:22:10] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:10] [INFO ] Invariant cache hit.
[2024-05-31 21:22:10] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3688 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 4913 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8708ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8709ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8881 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:22:19] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[204] Max Struct:[+inf]
[2024-05-31 21:22:19] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:19] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[204] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 958 ms. (1042 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 620 ms. (1610 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[227] Max Struct:[+inf]
[2024-05-31 21:22:21] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:21] [INFO ] Invariant cache hit.
[2024-05-31 21:22:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:21] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-31 21:22:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:21] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:22:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:22:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:21] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:22:21] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:22:21] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:22:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-31 21:22:21] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-31 21:22:21] [INFO ] Added : 16 causal constraints over 4 iterations in 43 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[227] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[227] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 4 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:22:21] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:21] [INFO ] Invariant cache hit.
[2024-05-31 21:22:21] [INFO ] Implicit Places using invariants in 53 ms returned []
[2024-05-31 21:22:21] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:21] [INFO ] Invariant cache hit.
[2024-05-31 21:22:21] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:21] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2024-05-31 21:22:21] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:22:21] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:21] [INFO ] Invariant cache hit.
[2024-05-31 21:22:21] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3583 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 4891 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8584ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8586ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8768 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:22:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[227] Max Struct:[+inf]
[2024-05-31 21:22:30] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:30] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[227] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 975 ms. (1024 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 623 ms. (1602 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[227] Max Struct:[+inf]
[2024-05-31 21:22:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:32] [INFO ] Invariant cache hit.
[2024-05-31 21:22:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:32] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:22:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:32] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:22:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:22:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:32] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-31 21:22:32] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:22:32] [INFO ] Deduced a trap composed of 19 places in 41 ms of which 1 ms to minimize.
[2024-05-31 21:22:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 48 ms
[2024-05-31 21:22:32] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-31 21:22:32] [INFO ] Added : 16 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[227] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[227] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 7 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:22:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:32] [INFO ] Invariant cache hit.
[2024-05-31 21:22:32] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-31 21:22:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:32] [INFO ] Invariant cache hit.
[2024-05-31 21:22:32] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:32] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
[2024-05-31 21:22:32] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:22:32] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:32] [INFO ] Invariant cache hit.
[2024-05-31 21:22:32] [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, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3674 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 4953 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8734ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8736ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8898 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-31 21:22:41] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {26=1, 60=1, 91=1, 123=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 27 ms. (steps per millisecond=370 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[227] Max Struct:[+inf]
RANDOM walk for 40013 steps (8 resets) in 69 ms. (571 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 1981480 steps, run timeout after 3001 ms. (steps per millisecond=660 ) properties seen :0 out of 1
Probabilistic random walk after 1981480 steps, saw 1233257 distinct states, run finished after 3001 ms. (steps per millisecond=660 ) properties seen :0
[2024-05-31 21:22:44] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:44] [INFO ] Invariant cache hit.
[2024-05-31 21:22:44] [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) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 95 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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]
After SMT, in 180ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 337 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
RANDOM walk for 40004 steps (8 resets) in 59 ms. (666 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1936598 steps, run timeout after 3001 ms. (steps per millisecond=645 ) properties seen :0 out of 1
Probabilistic random walk after 1936598 steps, saw 1205322 distinct states, run finished after 3001 ms. (steps per millisecond=645 ) properties seen :0
[2024-05-31 21:22:47] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:47] [INFO ] Invariant cache hit.
[2024-05-31 21:22:47] [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) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 87 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 105 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 196ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 337 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-31 21:22:48] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:48] [INFO ] Invariant cache hit.
[2024-05-31 21:22:48] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:22:48] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:48] [INFO ] Invariant cache hit.
[2024-05-31 21:22:48] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-31 21:22:48] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 167 ms to find 0 implicit places.
[2024-05-31 21:22:48] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-31 21:22:48] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-31 21:22:48] [INFO ] Invariant cache hit.
[2024-05-31 21:22:48] [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, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3656 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 206 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 206/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 6 (OVERLAPS) 0/210 variables, 0/309 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 309 constraints, problems are : Problem set: 0 solved, 206 unsolved in 5011 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 206/206 constraints, Known Traps: 0/0 constraints]
After SMT, in 8779ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8782ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8956 ms. Remains : 82/82 places, 208/208 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 80 transitions
Reduce isomorphic transitions removed 80 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 7 transitions
Trivial Post-agglo rules discarded 7 transitions
Performed 7 trivial Post agglomeration. Transition count delta: 7
Iterating post reduction 0 with 87 rules applied. Total rules applied 87 place count 82 transition count 121
Reduce places removed 7 places and 0 transitions.
Iterating post reduction 1 with 7 rules applied. Total rules applied 94 place count 75 transition count 121
Performed 16 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 16 Pre rules applied. Total rules applied 94 place count 75 transition count 105
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 126 place count 59 transition count 105
Performed 15 Post agglomeration using F-continuation condition.Transition count delta: 15
Deduced a syphon composed of 15 places in 0 ms
Reduce places removed 15 places and 0 transitions.
Iterating global reduction 2 with 30 rules applied. Total rules applied 156 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 163 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 170 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 177 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 184 place count 30 transition count 62
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 191 place count 23 transition count 48
Iterating global reduction 2 with 7 rules applied. Total rules applied 198 place count 23 transition count 48
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 205 place count 23 transition count 41
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 205 place count 23 transition count 40
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 207 place count 22 transition count 40
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: 0
Deduced a syphon composed of 2 places in 0 ms
Reduce places removed 2 places and 0 transitions.
Iterating global reduction 3 with 4 rules applied. Total rules applied 211 place count 20 transition count 40
Applied a total of 211 rules in 17 ms. Remains 20 /82 variables (removed 62) and now considering 40/208 (removed 168) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 40 rows 20 cols
[2024-05-31 21:22:57] [INFO ] Computed 3 invariants in 1 ms
[2024-05-31 21:22:57] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:22:57] [INFO ] After 9ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:22:57] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:22:57] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:22:57] [INFO ] After 30ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:22:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:22:57] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:22:57] [INFO ] After 4ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:22:57] [INFO ] After 8ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:22:57] [INFO ] After 38ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 89 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[227] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-09 in 59770 ms.
Starting property specific reduction for FunctionPointer-PT-b128-UpperBounds-10
Current structural bounds on expressions (Initially) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Adding known information on max bounds.) : Max Seen:[0] Max Struct:[+inf]
Current structural bounds on expressions (Before main loop) : Max Seen:[0] Max Struct:[+inf]
[2024-05-31 21:22:57] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-31 21:22:57] [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 9 ms. (1000 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 5 ms. (1666 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 21:22:57] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-31 21:22:57] [INFO ] Invariant cache hit.
[2024-05-31 21:22:57] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:57] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-31 21:22:57] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-31 21:22:57] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:22:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:22:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:57] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-31 21:22:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-31 21:22:57] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 0 ms to minimize.
[2024-05-31 21:22:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 56 ms
[2024-05-31 21:22:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-31 21:22:57] [INFO ] Added : 12 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[11] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[11] Max Struct:[+inf]
Support contains 1 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Graph (complete) has 428 edges and 101 vertex of which 98 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 98 transition count 246
Discarding 4 places :
Symmetric choice reduction at 1 with 4 rule applications. Total rules 10 place count 94 transition count 234
Iterating global reduction 1 with 4 rules applied. Total rules applied 14 place count 94 transition count 234
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 16 place count 94 transition count 232
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 19 place count 91 transition count 226
Iterating global reduction 2 with 3 rules applied. Total rules applied 22 place count 91 transition count 226
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 25 place count 88 transition count 216
Iterating global reduction 2 with 3 rules applied. Total rules applied 28 place count 88 transition count 216
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 31 place count 85 transition count 210
Iterating global reduction 2 with 3 rules applied. Total rules applied 34 place count 85 transition count 210
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 37 place count 82 transition count 204
Iterating global reduction 2 with 3 rules applied. Total rules applied 40 place count 82 transition count 204
Discarding 3 places :
Symmetric choice reduction at 2 with 3 rule applications. Total rules 43 place count 79 transition count 198
Iterating global reduction 2 with 3 rules applied. Total rules applied 46 place count 79 transition count 198
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 48 place count 77 transition count 194
Iterating global reduction 2 with 2 rules applied. Total rules applied 50 place count 77 transition count 194
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 52 place count 75 transition count 190
Iterating global reduction 2 with 2 rules applied. Total rules applied 54 place count 75 transition count 190
Discarding 2 places :
Symmetric choice reduction at 2 with 2 rule applications. Total rules 56 place count 73 transition count 186
Iterating global reduction 2 with 2 rules applied. Total rules applied 58 place count 73 transition count 186
Applied a total of 58 rules in 11 ms. Remains 73 /101 variables (removed 28) and now considering 186/251 (removed 65) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 73/101 places, 186/251 transitions.
[2024-05-31 21:22:57] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 33=1, 54=1, 83=1, 109=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {25=1, 50=1, 95=1, 111=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 :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[11] Max Struct:[+inf]
[2024-05-31 21:22:57] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
// Phase 1: matrix 112 rows 73 cols
[2024-05-31 21:22:57] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[11] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 854 ms. (1169 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 498 ms. (2004 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[848] Max Struct:[+inf]
[2024-05-31 21:22:59] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:22:59] [INFO ] Invariant cache hit.
[2024-05-31 21:22:59] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:59] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-31 21:22:59] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:22:59] [INFO ] [Real]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:22:59] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:22:59] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:22:59] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-31 21:22:59] [INFO ] [Nat]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:22:59] [INFO ] Deduced a trap composed of 23 places in 35 ms of which 1 ms to minimize.
[2024-05-31 21:22:59] [INFO ] Deduced a trap composed of 28 places in 40 ms of which 1 ms to minimize.
[2024-05-31 21:22:59] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 84 ms
[2024-05-31 21:22:59] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 59 transitions) in 5 ms.
[2024-05-31 21:22:59] [INFO ] Added : 26 causal constraints over 6 iterations in 48 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[848] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[848] Max Struct:[+inf]
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 1 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2024-05-31 21:23:01] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:01] [INFO ] Invariant cache hit.
[2024-05-31 21:23:01] [INFO ] Implicit Places using invariants in 54 ms returned []
[2024-05-31 21:23:01] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:01] [INFO ] Invariant cache hit.
[2024-05-31 21:23:01] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:23:01] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 151 ms to find 0 implicit places.
[2024-05-31 21:23:01] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2024-05-31 21:23:01] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:01] [INFO ] Invariant cache hit.
[2024-05-31 21:23:01] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 3395 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 275 constraints, problems are : Problem set: 0 solved, 184 unsolved in 4126 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
After SMT, in 7613ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 7617ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7776 ms. Remains : 73/73 places, 186/186 transitions.
[2024-05-31 21:23:09] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 33=1, 54=1, 83=1, 109=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {25=1, 50=1, 95=1, 111=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:[848] Max Struct:[+inf]
[2024-05-31 21:23:09] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:09] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[848] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 862 ms. (1158 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 506 ms. (1972 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[867] Max Struct:[+inf]
[2024-05-31 21:23:10] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:10] [INFO ] Invariant cache hit.
[2024-05-31 21:23:10] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:23:10] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:23:10] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:23:10] [INFO ] [Real]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:23:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:23:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:23:10] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:23:10] [INFO ] [Nat]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:23:10] [INFO ] Deduced a trap composed of 23 places in 42 ms of which 1 ms to minimize.
[2024-05-31 21:23:10] [INFO ] Deduced a trap composed of 28 places in 41 ms of which 0 ms to minimize.
[2024-05-31 21:23:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 93 ms
[2024-05-31 21:23:10] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 59 transitions) in 6 ms.
[2024-05-31 21:23:10] [INFO ] Added : 26 causal constraints over 6 iterations in 49 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[867] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[867] Max Struct:[+inf]
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2024-05-31 21:23:12] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:12] [INFO ] Invariant cache hit.
[2024-05-31 21:23:12] [INFO ] Implicit Places using invariants in 58 ms returned []
[2024-05-31 21:23:12] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:12] [INFO ] Invariant cache hit.
[2024-05-31 21:23:13] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:23:13] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 163 ms to find 0 implicit places.
[2024-05-31 21:23:13] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2024-05-31 21:23:13] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:13] [INFO ] Invariant cache hit.
[2024-05-31 21:23:13] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 3305 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 275 constraints, problems are : Problem set: 0 solved, 184 unsolved in 4099 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
After SMT, in 7494ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 7498ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7671 ms. Remains : 73/73 places, 186/186 transitions.
[2024-05-31 21:23:20] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 33=1, 54=1, 83=1, 109=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 50=1, 95=1, 111=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 :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[867] Max Struct:[+inf]
[2024-05-31 21:23:20] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:20] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[867] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 872 ms. (1145 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 503 ms. (1984 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[867] Max Struct:[+inf]
[2024-05-31 21:23:22] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:22] [INFO ] Invariant cache hit.
[2024-05-31 21:23:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:23:22] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-31 21:23:22] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:23:22] [INFO ] [Real]Added 15 Read/Feed constraints in 3 ms returned sat
[2024-05-31 21:23:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-31 21:23:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-31 21:23:22] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-31 21:23:22] [INFO ] [Nat]Added 15 Read/Feed constraints in 2 ms returned sat
[2024-05-31 21:23:22] [INFO ] Deduced a trap composed of 23 places in 36 ms of which 1 ms to minimize.
[2024-05-31 21:23:22] [INFO ] Deduced a trap composed of 28 places in 39 ms of which 1 ms to minimize.
[2024-05-31 21:23:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 88 ms
[2024-05-31 21:23:22] [INFO ] Computed and/alt/rep : 60/163/51 causal constraints (skipped 59 transitions) in 11 ms.
[2024-05-31 21:23:22] [INFO ] Added : 26 causal constraints over 6 iterations in 64 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[867] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[867] Max Struct:[+inf]
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2024-05-31 21:23:24] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:24] [INFO ] Invariant cache hit.
[2024-05-31 21:23:24] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-31 21:23:24] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:24] [INFO ] Invariant cache hit.
[2024-05-31 21:23:24] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:23:24] [INFO ] Implicit Places using invariants and state equation in 101 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-31 21:23:24] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2024-05-31 21:23:24] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:24] [INFO ] Invariant cache hit.
[2024-05-31 21:23:24] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 3299 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 275 constraints, problems are : Problem set: 0 solved, 184 unsolved in 4062 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
After SMT, in 7452ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 7454ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7625 ms. Remains : 73/73 places, 186/186 transitions.
[2024-05-31 21:23:31] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 33=1, 54=1, 83=1, 109=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 50=1, 95=1, 111=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[867] Max Struct:[+inf]
RANDOM walk for 40006 steps (8 resets) in 68 ms. (579 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2062183 steps, run timeout after 3001 ms. (steps per millisecond=687 ) properties seen :0 out of 1
Probabilistic random walk after 2062183 steps, saw 1256048 distinct states, run finished after 3001 ms. (steps per millisecond=687 ) properties seen :0
[2024-05-31 21:23:35] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:35] [INFO ] Invariant cache hit.
[2024-05-31 21:23:35] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 91/165 variables, 52/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 14/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/171 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/171 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/182 variables, 10/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/185 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 79 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/74 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/74 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 91/165 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 14/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/171 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/171 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/182 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/185 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 92 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 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 1560 ms.
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 2 ms. Remains : 73/73 places, 186/186 transitions.
RANDOM walk for 40008 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 23 ms. (1666 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 2065291 steps, run timeout after 3001 ms. (steps per millisecond=688 ) properties seen :0 out of 1
Probabilistic random walk after 2065291 steps, saw 1257982 distinct states, run finished after 3001 ms. (steps per millisecond=688 ) properties seen :0
[2024-05-31 21:23:39] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:39] [INFO ] Invariant cache hit.
[2024-05-31 21:23:39] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 8/74 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/74 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 91/165 variables, 52/64 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/165 variables, 14/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 0/78 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/171 variables, 1/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/171 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 11/182 variables, 10/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/182 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/185 variables, 2/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 1 unsolved in 72 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 62/66 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/66 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/66 variables, 1/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/66 variables, 0/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 8/74 variables, 2/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/74 variables, 4/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/74 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 91/165 variables, 52/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/165 variables, 14/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/165 variables, 0/79 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/171 variables, 1/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/171 variables, 0/80 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 11/182 variables, 10/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/182 variables, 0/90 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/185 variables, 2/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/185 variables, 0/92 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 92 constraints, problems are : Problem set: 0 solved, 1 unsolved in 78 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 155ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 1562 ms.
Support contains 1 out of 73 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 1 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 73/73 places, 186/186 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 73/73 places, 186/186 transitions.
Applied a total of 0 rules in 2 ms. Remains 73 /73 variables (removed 0) and now considering 186/186 (removed 0) transitions.
[2024-05-31 21:23:41] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:41] [INFO ] Invariant cache hit.
[2024-05-31 21:23:41] [INFO ] Implicit Places using invariants in 52 ms returned []
[2024-05-31 21:23:41] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:41] [INFO ] Invariant cache hit.
[2024-05-31 21:23:41] [INFO ] State equation strengthened by 15 read => feed constraints.
[2024-05-31 21:23:41] [INFO ] Implicit Places using invariants and state equation in 95 ms returned []
Implicit Place search using SMT with State Equation took 149 ms to find 0 implicit places.
[2024-05-31 21:23:41] [INFO ] Redundant transitions in 0 ms returned []
Running 184 sub problems to find dead transitions.
[2024-05-31 21:23:41] [INFO ] Flow matrix only has 112 transitions (discarded 74 similar events)
[2024-05-31 21:23:41] [INFO ] Invariant cache hit.
[2024-05-31 21:23:41] [INFO ] State equation strengthened by 15 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (OVERLAPS) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Real declared 185/185 variables, and 91 constraints, problems are : Problem set: 0 solved, 184 unsolved in 3319 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 184 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/73 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/73 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 2 (OVERLAPS) 112/185 variables, 73/76 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/185 variables, 15/91 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/185 variables, 184/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
At refinement iteration 6 (OVERLAPS) 0/185 variables, 0/275 constraints. Problems are: Problem set: 0 solved, 184 unsolved
No progress, stopping.
After SMT solving in domain Int declared 185/185 variables, and 275 constraints, problems are : Problem set: 0 solved, 184 unsolved in 4140 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 73/73 constraints, ReadFeed: 15/15 constraints, PredecessorRefiner: 184/184 constraints, Known Traps: 0/0 constraints]
After SMT, in 7550ms problems are : Problem set: 0 solved, 184 unsolved
Search for dead transitions found 0 dead transitions in 7553ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7708 ms. Remains : 73/73 places, 186/186 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 6 transitions
Trivial Post-agglo rules discarded 6 transitions
Performed 6 trivial Post agglomeration. Transition count delta: 6
Iterating post reduction 0 with 80 rules applied. Total rules applied 80 place count 73 transition count 106
Reduce places removed 6 places and 0 transitions.
Iterating post reduction 1 with 6 rules applied. Total rules applied 86 place count 67 transition count 106
Performed 12 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 12 Pre rules applied. Total rules applied 86 place count 67 transition count 94
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 110 place count 55 transition count 94
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 140 place count 40 transition count 79
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 147 place count 33 transition count 65
Iterating global reduction 2 with 7 rules applied. Total rules applied 154 place count 33 transition count 65
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 161 place count 26 transition count 51
Iterating global reduction 2 with 7 rules applied. Total rules applied 168 place count 26 transition count 51
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 175 place count 19 transition count 37
Iterating global reduction 2 with 7 rules applied. Total rules applied 182 place count 19 transition count 37
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 189 place count 19 transition count 30
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 189 place count 19 transition count 29
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 191 place count 18 transition count 29
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 193 place count 17 transition count 29
Applied a total of 193 rules in 12 ms. Remains 17 /73 variables (removed 56) and now considering 29/186 (removed 157) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 29 rows 17 cols
[2024-05-31 21:23:49] [INFO ] Computed 3 invariants in 0 ms
[2024-05-31 21:23:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-31 21:23:49] [INFO ] After 7ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-31 21:23:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-31 21:23:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:23:49] [INFO ] After 29ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-31 21:23:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-31 21:23:49] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-31 21:23:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-31 21:23:49] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-31 21:23:49] [INFO ] After 29ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 74 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[867] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-10 in 51865 ms.
[2024-05-31 21:23:49] [INFO ] Flatten gal took : 48 ms
[2024-05-31 21:23:49] [INFO ] Export to MCC of 7 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-31 21:23:49] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 101 places, 251 transitions and 1020 arcs took 4 ms.
Total runtime 571325 ms.
There are residual formulas that ITS could not solve within timeout
Usage: pnml2lts-sym [-gvqh] [--order=]
[--mu-opt] [--saturation=]
[--sat-granularity=] [--save-sat-levels]
[--guidance=] [-d|--deadlock]
[--action=] [-i|--invariant=STRING] [-n|--no-exit]
[--trace=] [--type=]
[--mu=.mu] [--ctl-star=.ctl]
[--ctl=.ctl] [--ltl=.ltl] [--dot=STRING]
[--save-levels=STRING] [--pg-solve] [--attr=]
[--saturating-attractor] [--write-strategy=.spg]
[--check-strategy] [--interactive-play] [--player]
[--pg-write=.spg] [--no-matrix] [--noack=<1|2>]
[--edge-label=] [--labels] [-m|--matrix]
[--mucalc=.mcf|] [-c|--cache]
[--allow-undefined-edges] [--allow-undefined-values]
[-p|--por= (default: heur)]
[--weak=[valmari] (default: uses stronger left-commutativity)]
[--leap] [-r|--regroup=<(T,)+>] [--sloan-w1=] [--sloan-w2=]
[--cw-max-cols=] [--cw-max-rows=] [--col-ins=<(C.C',)+>]
[--mh-timeout=] [--row-perm=<(R,)+>] [--col-perm=<(C,)+>]
[--graph-metrics] [--regroup-exit] [--regroup-time]
[-g|--pins-guards] [--vset=] [--ldd32-step=]
[--ldd32-cache=] [--ldd-step=] [--ldd-cache=]
[--cache-ratio=] [--max-increase=]
[--min-free-nodes=] [--fdd-bits=]
[--fdd-reorder=]
[--vset-cache-diff=] [--no-soundness-check] [--precise]
[--next-union] [--peak-nodes] [--maxsum=]
[--block-size=] [--cluster-size=] [-v] [-q]
[--debug=] [--stats] [--where] [--when]
[--timeout=INT] [--version] [-h|--help] [--usage]
[OPTIONS] []
Could not compute solution for formula : FunctionPointer-PT-b128-UpperBounds-01
Could not compute solution for formula : FunctionPointer-PT-b128-UpperBounds-02
Could not compute solution for formula : FunctionPointer-PT-b128-UpperBounds-03
Could not compute solution for formula : FunctionPointer-PT-b128-UpperBounds-05
Could not compute solution for formula : FunctionPointer-PT-b128-UpperBounds-06
Could not compute solution for formula : FunctionPointer-PT-b128-UpperBounds-09
Could not compute solution for formula : FunctionPointer-PT-b128-UpperBounds-10

BK_STOP 1717190629856

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

+ ulimit -s 65536
+ [[ -z '' ]]
+ export LTSMIN_MEM_SIZE=8589934592
+ LTSMIN_MEM_SIZE=8589934592
+ export PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ PYTHONPATH=/home/mcc/BenchKit/itstools/pylibs
+ export LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
+ LD_LIBRARY_PATH=/home/mcc/BenchKit/itstools/pylibs:
++ sed s/.jar//
++ perl -pe 's/.*\.//g'
++ ls /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/plugins/fr.lip6.move.gal.application.pnmcc_1.0.0.202405141337.jar
+ VERSION=202405141337
+ echo 'Running Version 202405141337'
+ /home/mcc/BenchKit/bin//../reducer/bin//../../itstools//itstools/its-tools -pnfolder /home/mcc/execution -examination UpperBounds -timeout 360 -rebuildPNML
mcc2024
ub formula name FunctionPointer-PT-b128-UpperBounds-01
ub formula formula --maxsum=/tmp/2511/ub_0_
ub formula name FunctionPointer-PT-b128-UpperBounds-02
ub formula formula --maxsum=/tmp/2511/ub_1_
ub formula name FunctionPointer-PT-b128-UpperBounds-03
ub formula formula --maxsum=/tmp/2511/ub_2_
ub formula name FunctionPointer-PT-b128-UpperBounds-05
ub formula formula --maxsum=/tmp/2511/ub_3_
ub formula name FunctionPointer-PT-b128-UpperBounds-06
ub formula formula --maxsum=/tmp/2511/ub_4_
ub formula name FunctionPointer-PT-b128-UpperBounds-09
ub formula formula --maxsum=/tmp/2511/ub_5_
ub formula name FunctionPointer-PT-b128-UpperBounds-10
ub formula formula --maxsum=/tmp/2511/ub_6_
pnml2lts-sym, ** error **: unknown vector set implementation lddmc

Sequence of Actions to be Executed by the VM

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

set -x
# this is for BenchKit: configuration of major elements for the test
export BK_INPUT="FunctionPointer-PT-b128"
export BK_EXAMINATION="UpperBounds"
export BK_TOOL="ltsminxred"
export BK_RESULT_DIR="/tmp/BK_RESULTS/OUTPUTS"
export BK_TIME_CONFINEMENT="3600"
export BK_MEMORY_CONFINEMENT="16384"
export BK_BIN_PATH="/home/mcc/BenchKit/bin/"

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool ltsminxred"
echo " Input is FunctionPointer-PT-b128, examination is UpperBounds"
echo " Time confinement is $BK_TIME_CONFINEMENT seconds"
echo " Memory confinement is 16384 MBytes"
echo " Number of cores is 4"
echo " Run identifier is r496-tall-171640603000269"
echo "====================================================================="
echo
echo "--------------------"
echo "preparation of the directory to be used:"

tar xzf /home/mcc/BenchKit/INPUTS/FunctionPointer-PT-b128.tgz
mv FunctionPointer-PT-b128 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 ;