Execution Chart

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

Trace from the execution

Formatting '/data/fkordon/mcc2024-input.r179-tall-171640601200269.qcow2', fmt=qcow2 size=4294967296 backing_file=/data/fkordon/mcc2024-input.qcow2 backing_fmt=qcow2 cluster_size=65536 lazy_refcounts=off refcount_bits=16
Waiting for the VM to be ready (probing ssh)
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=====================================================================
Generated by BenchKit 2-5568
Executing tool greatspnxred
Input is FunctionPointer-PT-b128, examination is UpperBounds
Time confinement is 3600 seconds
Memory confinement is 16384 MBytes
Number of cores is 4
Run identifier is r179-tall-171640601200269
=====================================================================

--------------------
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 1716433121201

Invoking MCC driver with
BK_TOOL=greatspnxred
BK_EXAMINATION=UpperBounds
BK_BIN_PATH=/home/mcc/BenchKit/bin/
BK_TIME_CONFINEMENT=3600
BK_INPUT=FunctionPointer-PT-b128
BK_MEMORY_CONFINEMENT=16384
Applying reductions before tool greatspn
Invoking reducer
Running Version 202405141337
[2024-05-23 02:58:42] [INFO ] Running its-tools with arguments : [-pnfolder, /home/mcc/execution, -examination, UpperBounds, -timeout, 360, -rebuildPNML]
[2024-05-23 02:58:42] [INFO ] Parsing pnml file : /home/mcc/execution/model.pnml
[2024-05-23 02:58:42] [INFO ] Load time of PNML (sax parser for PT used): 110 ms
[2024-05-23 02:58:42] [INFO ] Transformed 306 places.
[2024-05-23 02:58:42] [INFO ] Transformed 840 transitions.
[2024-05-23 02:58:42] [INFO ] Parsed PT model containing 306 places and 840 transitions and 3392 arcs in 205 ms.
Parsed 16 properties from file /home/mcc/execution/UpperBounds.xml in 6 ms.
Deduced a syphon composed of 84 places in 10 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]
[2024-05-23 02:58:42] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
// Phase 1: matrix 414 rows 222 cols
[2024-05-23 02:58:42] [INFO ] Computed 4 invariants in 27 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 10000 steps (5 resets) in 27 ms. (357 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
FORMULA FunctionPointer-PT-b128-UpperBounds-07 128 TECHNIQUES TOPOLOGICAL BESTFIRST_WALK
BEST_FIRST walk for 80006 steps (43 resets) in 102 ms. (776 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4, 1, 3, 9, 7, 2, 1, 11] Max Struct:[128, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:58:42] [INFO ] Flow matrix only has 414 transitions (discarded 234 similar events)
[2024-05-23 02:58:42] [INFO ] Invariant cache hit.
[2024-05-23 02:58:42] [INFO ] [Real]Absence check using 3 positive place invariants in 4 ms returned sat
[2024-05-23 02:58:42] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Real]Absence check using state equation in 100 ms returned sat
[2024-05-23 02:58:43] [INFO ] State equation strengthened by 65 read => feed constraints.
[2024-05-23 02:58:43] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:58:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Nat]Absence check using state equation in 85 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Nat]Added 65 Read/Feed constraints in 12 ms returned sat
[2024-05-23 02:58:43] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 77 ms.
[2024-05-23 02:58:43] [INFO ] Added : 0 causal constraints over 0 iterations in 131 ms. Result :sat
Minimization took 89 ms.
[2024-05-23 02:58:43] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Real]Absence check using state equation in 85 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:58:43] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:43] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Nat]Absence check using state equation in 84 ms returned sat
[2024-05-23 02:58:43] [INFO ] [Nat]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:58:44] [INFO ] Deduced a trap composed of 26 places in 150 ms of which 23 ms to minimize.
[2024-05-23 02:58:44] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 180 ms
[2024-05-23 02:58:44] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 55 ms.
[2024-05-23 02:58:44] [INFO ] Added : 2 causal constraints over 1 iterations in 104 ms. Result :sat
Minimization took 80 ms.
[2024-05-23 02:58:44] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Real]Absence check using state equation in 73 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:58:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Nat]Absence check using state equation in 83 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:58:44] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 51 ms.
[2024-05-23 02:58:44] [INFO ] Added : 1 causal constraints over 1 iterations in 95 ms. Result :sat
Minimization took 83 ms.
[2024-05-23 02:58:44] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Real]Absence check using state equation in 68 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Real]Added 65 Read/Feed constraints in 8 ms returned sat
[2024-05-23 02:58:44] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:44] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:44] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Nat]Absence check using state equation in 71 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:58:45] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 33 ms.
[2024-05-23 02:58:45] [INFO ] Added : 1 causal constraints over 1 iterations in 69 ms. Result :sat
Minimization took 76 ms.
[2024-05-23 02:58:45] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Real]Absence check using state equation in 77 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Real]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:58:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 8 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Nat]Absence check using state equation in 78 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:58:45] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 33 ms.
[2024-05-23 02:58:45] [INFO ] Added : 2 causal constraints over 1 iterations in 91 ms. Result :sat
Minimization took 90 ms.
[2024-05-23 02:58:45] [INFO ] [Real]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Real]Absence check using state equation in 84 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Real]Added 65 Read/Feed constraints in 13 ms returned sat
[2024-05-23 02:58:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:58:45] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Nat]Added 65 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:58:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 34 ms.
[2024-05-23 02:58:46] [INFO ] Added : 2 causal constraints over 1 iterations in 79 ms. Result :sat
Minimization took 81 ms.
[2024-05-23 02:58:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Real]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Real]Added 65 Read/Feed constraints in 10 ms returned sat
[2024-05-23 02:58:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 0 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Nat]Absence check using state equation in 76 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Nat]Added 65 Read/Feed constraints in 9 ms returned sat
[2024-05-23 02:58:46] [INFO ] Deduced a trap composed of 26 places in 110 ms of which 3 ms to minimize.
[2024-05-23 02:58:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 144 ms
[2024-05-23 02:58:46] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 36 ms.
[2024-05-23 02:58:46] [INFO ] Added : 2 causal constraints over 1 iterations in 80 ms. Result :sat
Minimization took 79 ms.
[2024-05-23 02:58:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Real]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Real]Absence check using state equation in 78 ms returned sat
[2024-05-23 02:58:46] [INFO ] [Real]Added 65 Read/Feed constraints in 23 ms returned sat
[2024-05-23 02:58:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:47] [INFO ] [Nat]Absence check using 3 positive and 1 generalized place invariants in 1 ms returned sat
[2024-05-23 02:58:47] [INFO ] [Nat]Absence check using state equation in 74 ms returned sat
[2024-05-23 02:58:47] [INFO ] [Nat]Added 65 Read/Feed constraints in 14 ms returned sat
[2024-05-23 02:58:47] [INFO ] Deduced a trap composed of 26 places in 111 ms of which 2 ms to minimize.
[2024-05-23 02:58:47] [INFO ] Deduced a trap composed of 21 places in 101 ms of which 1 ms to minimize.
[2024-05-23 02:58:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 251 ms
[2024-05-23 02:58:47] [INFO ] Computed and/alt/rep : 57/91/57 causal constraints (skipped 355 transitions) in 27 ms.
[2024-05-23 02:58:47] [INFO ] Added : 2 causal constraints over 1 iterations in 77 ms. Result :sat
Minimization took 80 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4, 1, 3, 9, 7, 2, 1, 11] Max Struct:[128, +inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[128, 1, 3, 9, 127, 2, 1, 11] 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.3 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 121 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 131 ms. Remains : 101/222 places, 251/648 transitions.
[2024-05-23 02:58:48] [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 87 ms. (steps per millisecond=114 ) properties (out of 8) seen :[3, 3, 4, 10, 4, 5, 2, 9]
FORMULA FunctionPointer-PT-b128-UpperBounds-00 128 TECHNIQUES TOPOLOGICAL COVER_WALK
Current structural bounds on expressions (after cover walk) : Max Seen:[3, 4, 10, 127, 5, 2, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:58:48] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
// Phase 1: matrix 161 rows 101 cols
[2024-05-23 02:58:48] [INFO ] Computed 3 invariants in 4 ms
Current structural bounds on expressions (after invariants) : Max Seen:[3, 4, 10, 127, 5, 2, 11] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000019 steps (2 resets) in 929 ms. (1075 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6185 ms. (1131 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[60, 199, 863, 128, 149, 68, 142] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:58:55] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:58:55] [INFO ] Invariant cache hit.
[2024-05-23 02:58:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:55] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:58:55] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 02:58:55] [INFO ] [Real]Added 27 Read/Feed constraints in 7 ms returned sat
[2024-05-23 02:58:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:55] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:58:55] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:58:55] [INFO ] Deduced a trap composed of 28 places in 64 ms of which 1 ms to minimize.
[2024-05-23 02:58:55] [INFO ] Deduced a trap composed of 17 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:58:55] [INFO ] Deduced a trap composed of 19 places in 53 ms of which 2 ms to minimize.
[2024-05-23 02:58:55] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 197 ms
[2024-05-23 02:58:55] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:58:55] [INFO ] Added : 10 causal constraints over 4 iterations in 70 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:58:55] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:55] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:58:55] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:55] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:55] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:56] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:58:56] [INFO ] Deduced a trap composed of 17 places in 53 ms of which 1 ms to minimize.
[2024-05-23 02:58:56] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
[2024-05-23 02:58:56] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 02:58:56] [INFO ] Deduced a trap composed of 36 places in 54 ms of which 0 ms to minimize.
[2024-05-23 02:58:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2024-05-23 02:58:56] [INFO ] Added : 12 causal constraints over 5 iterations in 133 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:58:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:56] [INFO ] Deduced a trap composed of 22 places in 58 ms of which 6 ms to minimize.
[2024-05-23 02:58:56] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 74 ms
[2024-05-23 02:58:56] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 02:58:56] [INFO ] Added : 15 causal constraints over 6 iterations in 71 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:58:56] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:56] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:56] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:58:56] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:56] [INFO ] Deduced a trap composed of 28 places in 56 ms of which 1 ms to minimize.
[2024-05-23 02:58:56] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:58:56] [INFO ] Deduced a trap composed of 19 places in 58 ms of which 1 ms to minimize.
[2024-05-23 02:58:57] [INFO ] Deduced a trap composed of 24 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:58:57] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 261 ms
[2024-05-23 02:58:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 12 ms.
[2024-05-23 02:58:57] [INFO ] Added : 25 causal constraints over 7 iterations in 89 ms. Result :sat
Minimization took 36 ms.
[2024-05-23 02:58:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:58:57] [INFO ] Deduced a trap composed of 28 places in 44 ms of which 0 ms to minimize.
[2024-05-23 02:58:57] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-23 02:58:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 02:58:57] [INFO ] Added : 24 causal constraints over 5 iterations in 71 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:58:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:58:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 9 ms.
[2024-05-23 02:58:57] [INFO ] Added : 25 causal constraints over 6 iterations in 72 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:58:57] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:58:57] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:58:57] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:58:57] [INFO ] [Nat]Added 27 Read/Feed constraints in 6 ms returned sat
[2024-05-23 02:58:57] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:58:57] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:58:57] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-23 02:58:57] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 15 ms.
[2024-05-23 02:58:58] [INFO ] Added : 11 causal constraints over 3 iterations in 54 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[60, 199, 863, 128, 149, 68, 142] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 199, 863, 128, 149, 127, 241] 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.
[2024-05-23 02:59:00] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:00] [INFO ] Invariant cache hit.
[2024-05-23 02:59:00] [INFO ] Implicit Places using invariants in 70 ms returned []
[2024-05-23 02:59:00] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:00] [INFO ] Invariant cache hit.
[2024-05-23 02:59:00] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 02:59:00] [INFO ] Implicit Places using invariants and state equation in 129 ms returned []
Implicit Place search using SMT with State Equation took 202 ms to find 0 implicit places.
[2024-05-23 02:59:00] [INFO ] Redundant transitions in 10 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-23 02:59:00] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:00] [INFO ] Invariant cache hit.
[2024-05-23 02:59:00] [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 4780 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 7187 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 12260ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 12270ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12514 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-23 02:59:12] [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 129 ms. (steps per millisecond=77 ) properties (out of 7) seen :[2, 3, 9, 10, 9, 2, 5]
Current structural bounds on expressions (after cover walk) : Max Seen:[69, 199, 863, 128, 149, 127, 241] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:59:12] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:12] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[69, 199, 863, 128, 149, 127, 241] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1033 ms. (967 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6466 ms. (1082 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69, 216, 863, 128, 150, 127, 241] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:59:20] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:20] [INFO ] Invariant cache hit.
[2024-05-23 02:59:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:20] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 02:59:20] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 02:59:20] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:20] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:20] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:20] [INFO ] Deduced a trap composed of 28 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:59:20] [INFO ] Deduced a trap composed of 17 places in 45 ms of which 1 ms to minimize.
[2024-05-23 02:59:20] [INFO ] Deduced a trap composed of 19 places in 60 ms of which 1 ms to minimize.
[2024-05-23 02:59:20] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 189 ms
[2024-05-23 02:59:20] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:20] [INFO ] Added : 10 causal constraints over 4 iterations in 57 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 02:59:20] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:20] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 02:59:20] [INFO ] [Real]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:20] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:20] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:20] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:20] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 20 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 0 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 112 ms
[2024-05-23 02:59:21] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 36 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 02:59:21] [INFO ] Added : 12 causal constraints over 5 iterations in 125 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:59:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 3 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Nat]Absence check using state equation in 38 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 22 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 64 ms
[2024-05-23 02:59:21] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:21] [INFO ] Added : 15 causal constraints over 6 iterations in 68 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 02:59:21] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:59:21] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:21] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:21] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Deduced a trap composed of 24 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:59:21] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 230 ms
[2024-05-23 02:59:21] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:22] [INFO ] Added : 25 causal constraints over 7 iterations in 77 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:59:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:22] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 0 ms to minimize.
[2024-05-23 02:59:22] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 61 ms
[2024-05-23 02:59:22] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 02:59:22] [INFO ] Added : 24 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 02:59:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:22] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:22] [INFO ] Added : 13 causal constraints over 4 iterations in 51 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:59:22] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:22] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:22] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:22] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:22] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 1 ms to minimize.
[2024-05-23 02:59:22] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 0 ms to minimize.
[2024-05-23 02:59:22] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 117 ms
[2024-05-23 02:59:22] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:22] [INFO ] Added : 11 causal constraints over 3 iterations in 47 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69, 216, 863, 128, 150, 127, 241] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 216, 863, 128, 150, 128, 677] 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 6 ms. Remains 101 /101 variables (removed 0) and now considering 251/251 (removed 0) transitions.
[2024-05-23 02:59:25] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:25] [INFO ] Invariant cache hit.
[2024-05-23 02:59:26] [INFO ] Implicit Places using invariants in 75 ms returned []
[2024-05-23 02:59:26] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:26] [INFO ] Invariant cache hit.
[2024-05-23 02:59:26] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 02:59:26] [INFO ] Implicit Places using invariants and state equation in 133 ms returned []
Implicit Place search using SMT with State Equation took 208 ms to find 0 implicit places.
[2024-05-23 02:59:26] [INFO ] Redundant transitions in 3 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-23 02:59:26] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:26] [INFO ] Invariant cache hit.
[2024-05-23 02:59:26] [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 4525 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 6896 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 11607ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 11611ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11843 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-23 02:59:37] [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 38 ms. (steps per millisecond=263 ) properties (out of 7) seen :[2, 6, 12, 7, 14, 3, 8]
Current structural bounds on expressions (after cover walk) : Max Seen:[69, 216, 863, 128, 150, 128, 677] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:59:37] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:37] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[69, 216, 863, 128, 150, 128, 677] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000005 steps (2 resets) in 1120 ms. (892 steps per ms)
BEST_FIRST walk for 7000007 steps (14 resets) in 6178 ms. (1132 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[69, 216, 863, 128, 157, 128, 677] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 02:59:45] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:45] [INFO ] Invariant cache hit.
[2024-05-23 02:59:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:45] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:45] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 02:59:45] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:45] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:59:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:45] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:59:45] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-23 02:59:45] [INFO ] Deduced a trap composed of 19 places in 45 ms of which 0 ms to minimize.
[2024-05-23 02:59:45] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 168 ms
[2024-05-23 02:59:45] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:45] [INFO ] Added : 10 causal constraints over 4 iterations in 58 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:59:45] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:45] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:45] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:45] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:45] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:45] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:45] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:45] [INFO ] Deduced a trap composed of 20 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:59:45] [INFO ] Deduced a trap composed of 17 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:59:45] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 126 ms
[2024-05-23 02:59:45] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 02:59:45] [INFO ] Deduced a trap composed of 36 places in 55 ms of which 1 ms to minimize.
[2024-05-23 02:59:45] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 66 ms
[2024-05-23 02:59:46] [INFO ] Added : 12 causal constraints over 5 iterations in 131 ms. Result :sat
Minimization took 27 ms.
[2024-05-23 02:59:46] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Real]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 2 ms returned sat
[2024-05-23 02:59:46] [INFO ] Deduced a trap composed of 22 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:59:46] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 02:59:46] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 13 ms.
[2024-05-23 02:59:46] [INFO ] Added : 15 causal constraints over 6 iterations in 70 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 02:59:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Nat]Absence check using state equation in 32 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 02:59:46] [INFO ] Deduced a trap composed of 28 places in 48 ms of which 1 ms to minimize.
[2024-05-23 02:59:46] [INFO ] Deduced a trap composed of 28 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:59:46] [INFO ] Deduced a trap composed of 19 places in 52 ms of which 1 ms to minimize.
[2024-05-23 02:59:46] [INFO ] Deduced a trap composed of 24 places in 49 ms of which 1 ms to minimize.
[2024-05-23 02:59:46] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 233 ms
[2024-05-23 02:59:46] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:46] [INFO ] Added : 25 causal constraints over 7 iterations in 75 ms. Result :sat
Minimization took 32 ms.
[2024-05-23 02:59:46] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:46] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:46] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:46] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:47] [INFO ] Deduced a trap composed of 28 places in 50 ms of which 1 ms to minimize.
[2024-05-23 02:59:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 63 ms
[2024-05-23 02:59:47] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:47] [INFO ] Added : 24 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 02:59:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 02:59:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:47] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 02:59:47] [INFO ] Added : 20 causal constraints over 5 iterations in 65 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 02:59:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Real]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 02:59:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 02:59:47] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 02:59:47] [INFO ] Deduced a trap composed of 28 places in 54 ms of which 1 ms to minimize.
[2024-05-23 02:59:47] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 0 ms to minimize.
[2024-05-23 02:59:47] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 119 ms
[2024-05-23 02:59:47] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 02:59:47] [INFO ] Added : 11 causal constraints over 3 iterations in 49 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[69, 216, 863, 128, 157, 128, 677] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[69, 216, 863, 128, 157, 128, 677] 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 9 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 9 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.
[2024-05-23 02:59:52] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:52] [INFO ] Invariant cache hit.
[2024-05-23 02:59:52] [INFO ] Implicit Places using invariants in 71 ms returned []
[2024-05-23 02:59:52] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:52] [INFO ] Invariant cache hit.
[2024-05-23 02:59:52] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 02:59:53] [INFO ] Implicit Places using invariants and state equation in 116 ms returned []
Implicit Place search using SMT with State Equation took 189 ms to find 0 implicit places.
[2024-05-23 02:59:53] [INFO ] Redundant transitions in 2 ms returned []
Running 249 sub problems to find dead transitions.
[2024-05-23 02:59:53] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 02:59:53] [INFO ] Invariant cache hit.
[2024-05-23 02:59:53] [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 4716 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 7006 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 11902ms problems are : Problem set: 0 solved, 249 unsolved
Search for dead transitions found 0 dead transitions in 11905ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12105 ms. Remains : 101/101 places, 251/251 transitions.
[2024-05-23 03:00:04] [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 64 ms. (steps per millisecond=156 ) properties (out of 7) seen :[2147483647, 5, 2147483647, 5, 6, 2, 2147483647]
Current structural bounds on expressions (after cover walk) : Max Seen:[+inf, 216, +inf, 128, 157, 128, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
[2024-05-23 03:00:05] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 03:00:05] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[+inf, 216, +inf, 128, 157, 128, +inf] Max Struct:[+inf, +inf, +inf, +inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1082 ms. (923 steps per ms)
FORMULA FunctionPointer-PT-b128-UpperBounds-10 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b128-UpperBounds-03 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
FORMULA FunctionPointer-PT-b128-UpperBounds-01 +inf TECHNIQUES TOPOLOGICAL RANDOM_WALK
BEST_FIRST walk for 4000004 steps (8 resets) in 3531 ms. (1132 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[216, 128, 157, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:00:09] [INFO ] Flow matrix only has 161 transitions (discarded 90 similar events)
[2024-05-23 03:00:09] [INFO ] Invariant cache hit.
[2024-05-23 03:00:09] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:09] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:00:09] [INFO ] State equation strengthened by 27 read => feed constraints.
[2024-05-23 03:00:09] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:09] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:09] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:09] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:09] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:09] [INFO ] Deduced a trap composed of 20 places in 54 ms of which 1 ms to minimize.
[2024-05-23 03:00:09] [INFO ] Deduced a trap composed of 17 places in 56 ms of which 1 ms to minimize.
[2024-05-23 03:00:10] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 127 ms
[2024-05-23 03:00:10] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 8 ms.
[2024-05-23 03:00:10] [INFO ] Deduced a trap composed of 36 places in 56 ms of which 1 ms to minimize.
[2024-05-23 03:00:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 68 ms
[2024-05-23 03:00:10] [INFO ] Added : 12 causal constraints over 5 iterations in 130 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 03:00:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Real]Absence check using state equation in 32 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Real]Added 27 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Nat]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:10] [INFO ] Deduced a trap composed of 28 places in 46 ms of which 1 ms to minimize.
[2024-05-23 03:00:10] [INFO ] Deduced a trap composed of 28 places in 49 ms of which 1 ms to minimize.
[2024-05-23 03:00:10] [INFO ] Deduced a trap composed of 19 places in 47 ms of which 1 ms to minimize.
[2024-05-23 03:00:10] [INFO ] Deduced a trap composed of 24 places in 46 ms of which 1 ms to minimize.
[2024-05-23 03:00:10] [INFO ] Trap strengthening (SAT) tested/added 5/4 trap constraints in 213 ms
[2024-05-23 03:00:10] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 10 ms.
[2024-05-23 03:00:10] [INFO ] Added : 25 causal constraints over 7 iterations in 78 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 03:00:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:10] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:10] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 03:00:10] [INFO ] [Nat]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:10] [INFO ] Deduced a trap composed of 28 places in 53 ms of which 1 ms to minimize.
[2024-05-23 03:00:10] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 62 ms
[2024-05-23 03:00:10] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 12 ms.
[2024-05-23 03:00:10] [INFO ] Added : 24 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 03:00:10] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:11] [INFO ] [Real]Absence check using state equation in 31 ms returned sat
[2024-05-23 03:00:11] [INFO ] [Real]Added 27 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:11] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:11] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:11] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:11] [INFO ] [Nat]Added 27 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:00:11] [INFO ] Computed and/alt/rep : 67/327/63 causal constraints (skipped 96 transitions) in 11 ms.
[2024-05-23 03:00:11] [INFO ] Added : 20 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[216, 128, 157, 128] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[216, 128, 157, 128] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 101 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 101/101 places, 251/251 transitions.
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 1 place count 100 transition count 247
Iterating global reduction 0 with 1 rules applied. Total rules applied 2 place count 100 transition count 247
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 3 place count 99 transition count 245
Iterating global reduction 0 with 1 rules applied. Total rules applied 4 place count 99 transition count 245
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 5 place count 98 transition count 241
Iterating global reduction 0 with 1 rules applied. Total rules applied 6 place count 98 transition count 241
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 7 place count 97 transition count 239
Iterating global reduction 0 with 1 rules applied. Total rules applied 8 place count 97 transition count 239
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 9 place count 96 transition count 237
Iterating global reduction 0 with 1 rules applied. Total rules applied 10 place count 96 transition count 237
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 11 place count 95 transition count 235
Iterating global reduction 0 with 1 rules applied. Total rules applied 12 place count 95 transition count 235
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 13 place count 94 transition count 233
Iterating global reduction 0 with 1 rules applied. Total rules applied 14 place count 94 transition count 233
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 15 place count 93 transition count 231
Iterating global reduction 0 with 1 rules applied. Total rules applied 16 place count 93 transition count 231
Discarding 1 places :
Symmetric choice reduction at 0 with 1 rule applications. Total rules 17 place count 92 transition count 229
Iterating global reduction 0 with 1 rules applied. Total rules applied 18 place count 92 transition count 229
Applied a total of 18 rules in 29 ms. Remains 92 /101 variables (removed 9) and now considering 229/251 (removed 22) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 29 ms. Remains : 92/101 places, 229/251 transitions.
[2024-05-23 03:00:12] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
Found an invariant !
This invariant on transitions {29=1, 69=1, 118=1, 143=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 67=1, 116=1, 143=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 4) seen :[7, 9, 8, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[216, 128, 157, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:00:12] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-23 03:00:12] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[216, 128, 157, 128] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1216 ms. (821 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 3244 ms. (1232 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[311, 128, 231, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:00:16] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:16] [INFO ] Invariant cache hit.
[2024-05-23 03:00:16] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:16] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:00:16] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:00:16] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:16] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:16] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:16] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:16] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:16] [INFO ] Deduced a trap composed of 21 places in 49 ms of which 1 ms to minimize.
[2024-05-23 03:00:16] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-23 03:00:16] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 9 ms.
[2024-05-23 03:00:16] [INFO ] Added : 15 causal constraints over 5 iterations in 63 ms. Result :sat
Minimization took 28 ms.
[2024-05-23 03:00:16] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Real]Added 24 Read/Feed constraints in 6 ms returned sat
[2024-05-23 03:00:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Nat]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:17] [INFO ] Deduced a trap composed of 24 places in 52 ms of which 1 ms to minimize.
[2024-05-23 03:00:17] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 1 ms to minimize.
[2024-05-23 03:00:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
[2024-05-23 03:00:17] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 13 ms.
[2024-05-23 03:00:17] [INFO ] Deduced a trap composed of 22 places in 58 ms of which 1 ms to minimize.
[2024-05-23 03:00:17] [INFO ] Deduced a trap composed of 26 places in 45 ms of which 1 ms to minimize.
[2024-05-23 03:00:17] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 123 ms
[2024-05-23 03:00:17] [INFO ] Added : 12 causal constraints over 5 iterations in 185 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 03:00:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:17] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:00:17] [INFO ] Added : 34 causal constraints over 8 iterations in 86 ms. Result :sat
Minimization took 33 ms.
[2024-05-23 03:00:17] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:17] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:17] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:00:17] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:17] [INFO ] Deduced a trap composed of 25 places in 49 ms of which 1 ms to minimize.
[2024-05-23 03:00:17] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 58 ms
[2024-05-23 03:00:17] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:00:17] [INFO ] Deduced a trap composed of 21 places in 51 ms of which 0 ms to minimize.
[2024-05-23 03:00:18] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 1 ms to minimize.
[2024-05-23 03:00:18] [INFO ] Deduced a trap composed of 21 places in 45 ms of which 1 ms to minimize.
[2024-05-23 03:00:18] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 164 ms
[2024-05-23 03:00:18] [INFO ] Added : 12 causal constraints over 3 iterations in 210 ms. Result :sat
Minimization took 26 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[311, 128, 231, 128] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[311, 128, 231, 128] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/92 places, 229/229 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
[2024-05-23 03:00:19] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:19] [INFO ] Invariant cache hit.
[2024-05-23 03:00:19] [INFO ] Implicit Places using invariants in 64 ms returned []
[2024-05-23 03:00:19] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:19] [INFO ] Invariant cache hit.
[2024-05-23 03:00:19] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:00:19] [INFO ] Implicit Places using invariants and state equation in 117 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-23 03:00:19] [INFO ] Redundant transitions in 3 ms returned []
Running 227 sub problems to find dead transitions.
[2024-05-23 03:00:19] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:19] [INFO ] Invariant cache hit.
[2024-05-23 03:00:19] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 119 constraints, problems are : Problem set: 0 solved, 227 unsolved in 3685 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 227 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 227/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 346 constraints, problems are : Problem set: 0 solved, 227 unsolved in 5509 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
After SMT, in 9339ms problems are : Problem set: 0 solved, 227 unsolved
Search for dead transitions found 0 dead transitions in 9342ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9539 ms. Remains : 92/92 places, 229/229 transitions.
[2024-05-23 03:00:28] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
Found an invariant !
This invariant on transitions {29=1, 69=1, 118=1, 143=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 67=1, 116=1, 143=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 42 ms. (steps per millisecond=238 ) properties (out of 4) seen :[4, 4, 7, 3]
Current structural bounds on expressions (after cover walk) : Max Seen:[311, 128, 231, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:00:28] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:28] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[311, 128, 231, 128] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 788 ms. (1267 steps per ms)
BEST_FIRST walk for 4000003 steps (8 resets) in 3002 ms. (1332 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[311, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:00:32] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:32] [INFO ] Invariant cache hit.
[2024-05-23 03:00:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:32] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:00:32] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:00:32] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:32] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:32] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:32] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 0 ms to minimize.
[2024-05-23 03:00:32] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 60 ms
[2024-05-23 03:00:32] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 7 ms.
[2024-05-23 03:00:32] [INFO ] Added : 15 causal constraints over 5 iterations in 62 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 03:00:32] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:32] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:00:32] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:32] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:32] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:32] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:00:32] [INFO ] [Nat]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:32] [INFO ] Deduced a trap composed of 24 places in 61 ms of which 1 ms to minimize.
[2024-05-23 03:00:32] [INFO ] Deduced a trap composed of 17 places in 55 ms of which 1 ms to minimize.
[2024-05-23 03:00:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 137 ms
[2024-05-23 03:00:33] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:00:33] [INFO ] Deduced a trap composed of 22 places in 59 ms of which 1 ms to minimize.
[2024-05-23 03:00:33] [INFO ] Deduced a trap composed of 26 places in 43 ms of which 1 ms to minimize.
[2024-05-23 03:00:33] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 121 ms
[2024-05-23 03:00:33] [INFO ] Added : 12 causal constraints over 5 iterations in 175 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 03:00:33] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:33] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 7 ms.
[2024-05-23 03:00:33] [INFO ] Added : 34 causal constraints over 8 iterations in 80 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 03:00:33] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:33] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:33] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:33] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:33] [INFO ] Deduced a trap composed of 25 places in 41 ms of which 1 ms to minimize.
[2024-05-23 03:00:33] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 49 ms
[2024-05-23 03:00:33] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 7 ms.
[2024-05-23 03:00:33] [INFO ] Deduced a trap composed of 21 places in 53 ms of which 1 ms to minimize.
[2024-05-23 03:00:33] [INFO ] Deduced a trap composed of 23 places in 44 ms of which 0 ms to minimize.
[2024-05-23 03:00:33] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 1 ms to minimize.
[2024-05-23 03:00:33] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 169 ms
[2024-05-23 03:00:33] [INFO ] Added : 12 causal constraints over 3 iterations in 210 ms. Result :sat
Minimization took 29 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[311, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[311, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/92 places, 229/229 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
[2024-05-23 03:00:34] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:34] [INFO ] Invariant cache hit.
[2024-05-23 03:00:34] [INFO ] Implicit Places using invariants in 74 ms returned []
[2024-05-23 03:00:34] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:34] [INFO ] Invariant cache hit.
[2024-05-23 03:00:34] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:00:34] [INFO ] Implicit Places using invariants and state equation in 122 ms returned []
Implicit Place search using SMT with State Equation took 211 ms to find 0 implicit places.
[2024-05-23 03:00:34] [INFO ] Redundant transitions in 2 ms returned []
Running 227 sub problems to find dead transitions.
[2024-05-23 03:00:34] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:34] [INFO ] Invariant cache hit.
[2024-05-23 03:00:34] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 119 constraints, problems are : Problem set: 0 solved, 227 unsolved in 3522 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 227 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 227/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 346 constraints, problems are : Problem set: 0 solved, 227 unsolved in 5457 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
After SMT, in 9128ms problems are : Problem set: 0 solved, 227 unsolved
Search for dead transitions found 0 dead transitions in 9135ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9357 ms. Remains : 92/92 places, 229/229 transitions.
[2024-05-23 03:00:44] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
Found an invariant !
This invariant on transitions {29=1, 69=1, 118=1, 143=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 67=1, 116=1, 143=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 4) seen :[5, 7, 7, 4]
Current structural bounds on expressions (after cover walk) : Max Seen:[311, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:00:44] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:44] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[311, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000002 steps (2 resets) in 1110 ms. (900 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 3022 ms. (1323 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:00:48] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:48] [INFO ] Invariant cache hit.
[2024-05-23 03:00:48] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:48] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:00:48] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Nat]Absence check using state equation in 29 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:48] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 1 ms to minimize.
[2024-05-23 03:00:48] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 80 ms
[2024-05-23 03:00:48] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 10 ms.
[2024-05-23 03:00:48] [INFO ] Added : 15 causal constraints over 5 iterations in 70 ms. Result :sat
Minimization took 30 ms.
[2024-05-23 03:00:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:48] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:48] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:00:48] [INFO ] [Nat]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:48] [INFO ] Deduced a trap composed of 24 places in 68 ms of which 1 ms to minimize.
[2024-05-23 03:00:48] [INFO ] Deduced a trap composed of 17 places in 74 ms of which 0 ms to minimize.
[2024-05-23 03:00:48] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 165 ms
[2024-05-23 03:00:48] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:00:49] [INFO ] Deduced a trap composed of 22 places in 66 ms of which 1 ms to minimize.
[2024-05-23 03:00:49] [INFO ] Deduced a trap composed of 26 places in 60 ms of which 1 ms to minimize.
[2024-05-23 03:00:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 152 ms
[2024-05-23 03:00:49] [INFO ] Added : 12 causal constraints over 5 iterations in 211 ms. Result :sat
Minimization took 29 ms.
[2024-05-23 03:00:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:49] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:00:49] [INFO ] Added : 34 causal constraints over 8 iterations in 104 ms. Result :sat
Minimization took 31 ms.
[2024-05-23 03:00:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:00:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:00:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:00:49] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:00:49] [INFO ] Deduced a trap composed of 25 places in 65 ms of which 1 ms to minimize.
[2024-05-23 03:00:49] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 76 ms
[2024-05-23 03:00:49] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:00:49] [INFO ] Deduced a trap composed of 21 places in 64 ms of which 1 ms to minimize.
[2024-05-23 03:00:49] [INFO ] Deduced a trap composed of 23 places in 65 ms of which 1 ms to minimize.
[2024-05-23 03:00:50] [INFO ] Deduced a trap composed of 21 places in 63 ms of which 0 ms to minimize.
[2024-05-23 03:00:50] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 218 ms
[2024-05-23 03:00:50] [INFO ] Added : 12 causal constraints over 3 iterations in 262 ms. Result :sat
Minimization took 27 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/92 places, 229/229 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
[2024-05-23 03:00:50] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:50] [INFO ] Invariant cache hit.
[2024-05-23 03:00:51] [INFO ] Implicit Places using invariants in 84 ms returned []
[2024-05-23 03:00:51] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:51] [INFO ] Invariant cache hit.
[2024-05-23 03:00:51] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:00:51] [INFO ] Implicit Places using invariants and state equation in 118 ms returned []
Implicit Place search using SMT with State Equation took 229 ms to find 0 implicit places.
[2024-05-23 03:00:51] [INFO ] Redundant transitions in 0 ms returned []
Running 227 sub problems to find dead transitions.
[2024-05-23 03:00:51] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:00:51] [INFO ] Invariant cache hit.
[2024-05-23 03:00:51] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 119 constraints, problems are : Problem set: 0 solved, 227 unsolved in 3648 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 227 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 227/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 346 constraints, problems are : Problem set: 0 solved, 227 unsolved in 5544 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
After SMT, in 9369ms problems are : Problem set: 0 solved, 227 unsolved
Search for dead transitions found 0 dead transitions in 9371ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9610 ms. Remains : 92/92 places, 229/229 transitions.
[2024-05-23 03:01:00] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
Found an invariant !
This invariant on transitions {29=1, 69=1, 118=1, 143=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {27=1, 67=1, 116=1, 143=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 4) seen :[6, 9, 11, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:01:00] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 1000000 steps (2 resets) in 1004 ms. (995 steps per ms)
BEST_FIRST walk for 4000004 steps (8 resets) in 2998 ms. (1333 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
[2024-05-23 03:01:04] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:04] [INFO ] Invariant cache hit.
[2024-05-23 03:01:04] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:04] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:01:04] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:01:04] [INFO ] [Real]Added 24 Read/Feed constraints in 11 ms returned sat
[2024-05-23 03:01:04] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:04] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:01:04] [INFO ] [Nat]Absence check using state equation in 33 ms returned sat
[2024-05-23 03:01:04] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:01:04] [INFO ] Deduced a trap composed of 21 places in 61 ms of which 1 ms to minimize.
[2024-05-23 03:01:04] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 69 ms
[2024-05-23 03:01:04] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 7 ms.
[2024-05-23 03:01:04] [INFO ] Added : 15 causal constraints over 5 iterations in 49 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 03:01:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:01:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:01:05] [INFO ] Deduced a trap composed of 24 places in 66 ms of which 0 ms to minimize.
[2024-05-23 03:01:05] [INFO ] Deduced a trap composed of 17 places in 46 ms of which 1 ms to minimize.
[2024-05-23 03:01:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 128 ms
[2024-05-23 03:01:05] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:01:05] [INFO ] Deduced a trap composed of 22 places in 77 ms of which 1 ms to minimize.
[2024-05-23 03:01:05] [INFO ] Deduced a trap composed of 26 places in 59 ms of which 1 ms to minimize.
[2024-05-23 03:01:05] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 155 ms
[2024-05-23 03:01:05] [INFO ] Added : 12 causal constraints over 5 iterations in 208 ms. Result :sat
Minimization took 26 ms.
[2024-05-23 03:01:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Real]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Real]Added 24 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:01:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:01:05] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 9 ms.
[2024-05-23 03:01:05] [INFO ] Added : 34 causal constraints over 8 iterations in 88 ms. Result :sat
Minimization took 45 ms.
[2024-05-23 03:01:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Real]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:01:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:01:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:01:05] [INFO ] [Nat]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:01:05] [INFO ] Deduced a trap composed of 25 places in 51 ms of which 1 ms to minimize.
[2024-05-23 03:01:05] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-23 03:01:05] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 7 ms.
[2024-05-23 03:01:06] [INFO ] Deduced a trap composed of 21 places in 59 ms of which 0 ms to minimize.
[2024-05-23 03:01:06] [INFO ] Deduced a trap composed of 23 places in 45 ms of which 1 ms to minimize.
[2024-05-23 03:01:06] [INFO ] Deduced a trap composed of 21 places in 46 ms of which 0 ms to minimize.
[2024-05-23 03:01:06] [INFO ] Trap strengthening (SAT) tested/added 4/3 trap constraints in 184 ms
[2024-05-23 03:01:06] [INFO ] Added : 12 causal constraints over 3 iterations in 227 ms. Result :sat
Minimization took 28 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 11 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 12 ms. Remains : 92/92 places, 229/229 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
[2024-05-23 03:01:07] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:07] [INFO ] Invariant cache hit.
[2024-05-23 03:01:07] [INFO ] Implicit Places using invariants in 73 ms returned []
[2024-05-23 03:01:07] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:07] [INFO ] Invariant cache hit.
[2024-05-23 03:01:07] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:01:07] [INFO ] Implicit Places using invariants and state equation in 123 ms returned []
Implicit Place search using SMT with State Equation took 200 ms to find 0 implicit places.
[2024-05-23 03:01:07] [INFO ] Redundant transitions in 1 ms returned []
Running 227 sub problems to find dead transitions.
[2024-05-23 03:01:07] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:07] [INFO ] Invariant cache hit.
[2024-05-23 03:01:07] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 119 constraints, problems are : Problem set: 0 solved, 227 unsolved in 3437 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 227 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 227/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 346 constraints, problems are : Problem set: 0 solved, 227 unsolved in 5546 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
After SMT, in 9150ms problems are : Problem set: 0 solved, 227 unsolved
Search for dead transitions found 0 dead transitions in 9152ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9361 ms. Remains : 92/92 places, 229/229 transitions.
[2024-05-23 03:01:16] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
Found an invariant !
This invariant on transitions {29=1, 69=1, 118=1, 143=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {27=1, 67=1, 116=1, 143=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 39 ms. (steps per millisecond=256 ) properties (out of 4) seen :[5, 6, 7, 2]
Current structural bounds on expressions (after cover walk) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
RANDOM walk for 40000 steps (8 resets) in 622 ms. (64 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 138 ms. (287 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 131 ms. (303 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 126 ms. (314 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 118 ms. (336 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 324873 steps, run timeout after 3001 ms. (steps per millisecond=108 ) properties seen :0 out of 4
Probabilistic random walk after 324873 steps, saw 210098 distinct states, run finished after 3011 ms. (steps per millisecond=107 ) properties seen :0
[2024-05-23 03:01:20] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:20] [INFO ] Invariant cache hit.
[2024-05-23 03:01:20] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 11/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 91/106 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/106 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 9/115 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/115 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 103/218 variables, 61/84 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/218 variables, 22/106 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/218 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/224 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/224 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 10/234 variables, 10/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/234 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 3/237 variables, 2/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 119 constraints, problems are : Problem set: 0 solved, 4 unsolved in 174 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 11/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 91/106 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/106 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/106 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 9/115 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/115 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 103/218 variables, 61/88 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/218 variables, 22/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/218 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 6/224 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/224 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 10/234 variables, 10/121 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/234 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 3/237 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/237 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/237 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 123 constraints, problems are : Problem set: 0 solved, 4 unsolved in 183 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 366ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 15788 ms.
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 5 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 92/92 places, 229/229 transitions.
RANDOM walk for 40056 steps (8 resets) in 105 ms. (377 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 77 ms. (512 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 81 ms. (487 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40003 steps (8 resets) in 81 ms. (487 steps per ms) remains 4/4 properties
BEST_FIRST walk for 40004 steps (8 resets) in 84 ms. (470 steps per ms) remains 4/4 properties
Interrupted probabilistic random walk after 373279 steps, run timeout after 3001 ms. (steps per millisecond=124 ) properties seen :0 out of 4
Probabilistic random walk after 373279 steps, saw 241919 distinct states, run finished after 3001 ms. (steps per millisecond=124 ) properties seen :0
[2024-05-23 03:01:39] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:39] [INFO ] Invariant cache hit.
[2024-05-23 03:01:39] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 11/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 91/106 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/106 variables, 0/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (OVERLAPS) 9/115 variables, 2/20 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/115 variables, 3/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/115 variables, 0/23 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (OVERLAPS) 103/218 variables, 61/84 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/218 variables, 22/106 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/218 variables, 0/106 constraints. Problems are: Problem set: 0 solved, 4 unsolved
All remaining problems are real, not stopping.
At refinement iteration 12 (OVERLAPS) 6/224 variables, 1/107 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/224 variables, 0/107 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (OVERLAPS) 10/234 variables, 10/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/234 variables, 0/117 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (OVERLAPS) 3/237 variables, 2/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (OVERLAPS) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 119 constraints, problems are : Problem set: 0 solved, 4 unsolved in 161 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 4 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/4 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 1 (OVERLAPS) 11/15 variables, 4/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/15 variables, 0/4 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 3 (OVERLAPS) 91/106 variables, 12/16 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/106 variables, 2/18 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/106 variables, 4/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/106 variables, 0/22 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 7 (OVERLAPS) 9/115 variables, 2/24 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/115 variables, 3/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/115 variables, 0/27 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 10 (OVERLAPS) 103/218 variables, 61/88 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/218 variables, 22/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/218 variables, 0/110 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 13 (OVERLAPS) 6/224 variables, 1/111 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/224 variables, 0/111 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 15 (OVERLAPS) 10/234 variables, 10/121 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/234 variables, 0/121 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 17 (OVERLAPS) 3/237 variables, 2/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/237 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
At refinement iteration 19 (OVERLAPS) 0/237 variables, 0/123 constraints. Problems are: Problem set: 0 solved, 4 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 123 constraints, problems are : Problem set: 0 solved, 4 unsolved in 175 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 4/4 constraints, Known Traps: 0/0 constraints]
After SMT, in 342ms problems are : Problem set: 0 solved, 4 unsolved
Fused 4 Parikh solutions to 2 different solutions.
Parikh walk visited 0 properties in 13820 ms.
Support contains 4 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 4 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 92/92 places, 229/229 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Applied a total of 0 rules in 3 ms. Remains 92 /92 variables (removed 0) and now considering 229/229 (removed 0) transitions.
[2024-05-23 03:01:53] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:53] [INFO ] Invariant cache hit.
[2024-05-23 03:01:53] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 03:01:53] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:53] [INFO ] Invariant cache hit.
[2024-05-23 03:01:53] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:01:53] [INFO ] Implicit Places using invariants and state equation in 131 ms returned []
Implicit Place search using SMT with State Equation took 195 ms to find 0 implicit places.
[2024-05-23 03:01:53] [INFO ] Redundant transitions in 1 ms returned []
Running 227 sub problems to find dead transitions.
[2024-05-23 03:01:53] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:01:53] [INFO ] Invariant cache hit.
[2024-05-23 03:01:53] [INFO ] State equation strengthened by 24 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (OVERLAPS) 0/237 variables, 0/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Real declared 237/237 variables, and 119 constraints, problems are : Problem set: 0 solved, 227 unsolved in 3446 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 227 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/92 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/92 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 2 (OVERLAPS) 145/237 variables, 92/95 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/237 variables, 24/119 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/237 variables, 227/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
At refinement iteration 6 (OVERLAPS) 0/237 variables, 0/346 constraints. Problems are: Problem set: 0 solved, 227 unsolved
No progress, stopping.
After SMT solving in domain Int declared 237/237 variables, and 346 constraints, problems are : Problem set: 0 solved, 227 unsolved in 5407 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 92/92 constraints, ReadFeed: 24/24 constraints, PredecessorRefiner: 227/227 constraints, Known Traps: 0/0 constraints]
After SMT, in 9002ms problems are : Problem set: 0 solved, 227 unsolved
Search for dead transitions found 0 dead transitions in 9004ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9213 ms. Remains : 92/92 places, 229/229 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 84 transitions
Reduce isomorphic transitions removed 84 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 92 rules applied. Total rules applied 92 place count 92 transition count 137
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 100 place count 84 transition count 137
Performed 17 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 17 Pre rules applied. Total rules applied 100 place count 84 transition count 120
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 134 place count 67 transition count 120
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 166 place count 51 transition count 104
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 173 place count 44 transition count 90
Iterating global reduction 2 with 7 rules applied. Total rules applied 180 place count 44 transition count 90
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 187 place count 37 transition count 76
Iterating global reduction 2 with 7 rules applied. Total rules applied 194 place count 37 transition count 76
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 201 place count 30 transition count 62
Iterating global reduction 2 with 7 rules applied. Total rules applied 208 place count 30 transition count 62
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 215 place count 30 transition count 55
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 215 place count 30 transition count 54
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 217 place count 29 transition count 54
Performed 2 Post agglomeration using F-continuation condition.Transition count delta: -1
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 221 place count 27 transition count 55
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 222 place count 27 transition count 54
Applied a total of 222 rules in 34 ms. Remains 27 /92 variables (removed 65) and now considering 54/229 (removed 175) transitions.
Running SMT prover for 4 properties.
// Phase 1: matrix 54 rows 27 cols
[2024-05-23 03:02:02] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 03:02:02] [INFO ] [Real]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:02:02] [INFO ] After 21ms SMT Verify possible using state equation in real domain returned unsat :0 sat :3 real:1
[2024-05-23 03:02:02] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:02:02] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:4
[2024-05-23 03:02:02] [INFO ] After 61ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:4
[2024-05-23 03:02:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:02:02] [INFO ] After 16ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :4
[2024-05-23 03:02:02] [INFO ] After 7ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :4
TRAPS : Iteration 0
[2024-05-23 03:02:02] [INFO ] After 18ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :4
[2024-05-23 03:02:02] [INFO ] After 72ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :4
Over-approximation ignoring read arcs solved 0 properties in 175 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[330, 128, 239, 128] Max Struct:[+inf, +inf, +inf, +inf]
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]
[2024-05-23 03:02:02] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-23 03:02:02] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 8 ms. (1111 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[4] Max Struct:[+inf]
[2024-05-23 03:02:02] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:02:02] [INFO ] Invariant cache hit.
[2024-05-23 03:02:02] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:02] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:02:02] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:02:02] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:02:03] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:03] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:03] [INFO ] [Nat]Absence check using state equation in 31 ms returned sat
[2024-05-23 03:02:03] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:02:03] [INFO ] Deduced a trap composed of 21 places in 50 ms of which 1 ms to minimize.
[2024-05-23 03:02:03] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 59 ms
[2024-05-23 03:02:03] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 9 ms.
[2024-05-23 03:02:03] [INFO ] Added : 15 causal constraints over 5 iterations in 55 ms. Result :sat
Minimization took 47 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[124] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Graph (complete) has 394 edges and 92 vertex of which 89 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 89 transition count 224
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 87 transition count 218
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 87 transition count 218
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 12 place count 85 transition count 214
Iterating global reduction 1 with 2 rules applied. Total rules applied 14 place count 85 transition count 214
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 16 place count 83 transition count 208
Iterating global reduction 1 with 2 rules applied. Total rules applied 18 place count 83 transition count 208
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 20 place count 81 transition count 204
Iterating global reduction 1 with 2 rules applied. Total rules applied 22 place count 81 transition count 204
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 24 place count 79 transition count 200
Iterating global reduction 1 with 2 rules applied. Total rules applied 26 place count 79 transition count 200
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 28 place count 77 transition count 196
Iterating global reduction 1 with 2 rules applied. Total rules applied 30 place count 77 transition count 196
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 76 transition count 194
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 76 transition count 194
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 33 place count 75 transition count 192
Iterating global reduction 1 with 1 rules applied. Total rules applied 34 place count 75 transition count 192
Applied a total of 34 rules in 17 ms. Remains 75 /92 variables (removed 17) and now considering 192/229 (removed 37) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 17 ms. Remains : 75/92 places, 192/229 transitions.
[2024-05-23 03:02:03] [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 :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[124] Max Struct:[+inf]
[2024-05-23 03:02:03] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
// Phase 1: matrix 117 rows 75 cols
[2024-05-23 03:02:03] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[124] Max Struct:[+inf]
RANDOM walk for 1000004 steps (2 resets) in 939 ms. (1063 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 579 ms. (1724 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[927] Max Struct:[+inf]
[2024-05-23 03:02:05] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:05] [INFO ] Invariant cache hit.
[2024-05-23 03:02:05] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:05] [INFO ] [Real]Absence check using state equation in 20 ms returned sat
[2024-05-23 03:02:05] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:05] [INFO ] [Real]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:05] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:05] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:05] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 03:02:05] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:05] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 03:02:05] [INFO ] Added : 7 causal constraints over 4 iterations in 34 ms. Result :sat
Minimization took 20 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[927] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[927] 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.
[2024-05-23 03:02:06] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:06] [INFO ] Invariant cache hit.
[2024-05-23 03:02:06] [INFO ] Implicit Places using invariants in 57 ms returned []
[2024-05-23 03:02:06] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:06] [INFO ] Invariant cache hit.
[2024-05-23 03:02:06] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:06] [INFO ] Implicit Places using invariants and state equation in 92 ms returned []
Implicit Place search using SMT with State Equation took 150 ms to find 0 implicit places.
[2024-05-23 03:02:06] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:02:06] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:06] [INFO ] Invariant cache hit.
[2024-05-23 03:02:06] [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 2655 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 4012 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 6761ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6763ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6922 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 03:02:12] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[927] Max Struct:[+inf]
[2024-05-23 03:02:13] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:13] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[927] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 1008 ms. (991 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 578 ms. (1727 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1007] Max Struct:[+inf]
[2024-05-23 03:02:14] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:14] [INFO ] Invariant cache hit.
[2024-05-23 03:02:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:14] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:02:14] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:14] [INFO ] [Real]Added 17 Read/Feed constraints in 6 ms returned sat
[2024-05-23 03:02:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:14] [INFO ] [Nat]Absence check using state equation in 20 ms returned sat
[2024-05-23 03:02:14] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:14] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 03:02:14] [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:[1007] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1007] 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 4 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 4 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:02:15] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:15] [INFO ] Invariant cache hit.
[2024-05-23 03:02:15] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 03:02:15] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:15] [INFO ] Invariant cache hit.
[2024-05-23 03:02:15] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:15] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-23 03:02:15] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:02:15] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:15] [INFO ] Invariant cache hit.
[2024-05-23 03:02:15] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
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 2617 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 4058 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 6774ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6777ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6950 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 03:02:22] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 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 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[4]
Current structural bounds on expressions (after cover walk) : Max Seen:[1007] Max Struct:[+inf]
[2024-05-23 03:02:22] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[1007] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 910 ms. (1097 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 580 ms. (1721 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[1007] Max Struct:[+inf]
[2024-05-23 03:02:24] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:24] [INFO ] Invariant cache hit.
[2024-05-23 03:02:24] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:02:24] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:02:24] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:24] [INFO ] [Real]Added 17 Read/Feed constraints in 1 ms returned sat
[2024-05-23 03:02:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:24] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:02:24] [INFO ] [Nat]Added 17 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:02:24] [INFO ] Computed and/alt/rep : 60/196/52 causal constraints (skipped 63 transitions) in 8 ms.
[2024-05-23 03:02:24] [INFO ] Added : 7 causal constraints over 4 iterations in 40 ms. Result :sat
Minimization took 19 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[1007] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[1007] 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 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.
[2024-05-23 03:02:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:25] [INFO ] Invariant cache hit.
[2024-05-23 03:02:25] [INFO ] Implicit Places using invariants in 63 ms returned []
[2024-05-23 03:02:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:25] [INFO ] Invariant cache hit.
[2024-05-23 03:02:25] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:25] [INFO ] Implicit Places using invariants and state equation in 96 ms returned []
Implicit Place search using SMT with State Equation took 161 ms to find 0 implicit places.
[2024-05-23 03:02:25] [INFO ] Redundant transitions in 1 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:02:25] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:25] [INFO ] Invariant cache hit.
[2024-05-23 03:02:25] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
All remaining problems are real, not stopping.
At refinement iteration 3 (INCLUDED_ONLY) 0/192 variables, 17/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 5 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 190 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 190 unsolved in 2618 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 3965 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 6692ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6694ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6865 ms. Remains : 75/75 places, 192/192 transitions.
[2024-05-23 03:02:32] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
Found an invariant !
This invariant on transitions {27=1, 55=1, 100=1, 116=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {25=1, 53=1, 98=1, 115=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[1007] 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 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1873271 steps, run timeout after 3001 ms. (steps per millisecond=624 ) properties seen :0 out of 1
Probabilistic random walk after 1873271 steps, saw 1166031 distinct states, run finished after 3001 ms. (steps per millisecond=624 ) properties seen :0
[2024-05-23 03:02:35] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:35] [INFO ] Invariant cache hit.
[2024-05-23 03:02:35] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 88 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 93 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 198ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 631 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
RANDOM walk for 40008 steps (8 resets) in 47 ms. (833 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 33 ms. (1176 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1903266 steps, run timeout after 3001 ms. (steps per millisecond=634 ) properties seen :0 out of 1
Probabilistic random walk after 1903266 steps, saw 1184701 distinct states, run finished after 3001 ms. (steps per millisecond=634 ) properties seen :0
[2024-05-23 03:02:39] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:39] [INFO ] Invariant cache hit.
[2024-05-23 03:02:39] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 2/3 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/3 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 8/11 variables, 2/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/11 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 65/76 variables, 8/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/76 variables, 1/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/76 variables, 1/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/76 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 3/79 variables, 1/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/79 variables, 1/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/79 variables, 0/15 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 90/169 variables, 50/65 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/169 variables, 16/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/169 variables, 0/81 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 15 (OVERLAPS) 6/175 variables, 1/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/175 variables, 0/82 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 10/185 variables, 9/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/185 variables, 0/91 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 4/189 variables, 2/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (INCLUDED_ONLY) 0/189 variables, 0/93 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 21 (OVERLAPS) 3/192 variables, 2/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 22 (INCLUDED_ONLY) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 23 (OVERLAPS) 0/192 variables, 0/95 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 192/192 variables, and 95 constraints, problems are : Problem set: 0 solved, 1 unsolved in 108 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 87 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 220ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 585 ms.
Support contains 1 out of 75 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 3 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 75/75 places, 192/192 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 75/75 places, 192/192 transitions.
Applied a total of 0 rules in 2 ms. Remains 75 /75 variables (removed 0) and now considering 192/192 (removed 0) transitions.
[2024-05-23 03:02:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:40] [INFO ] Invariant cache hit.
[2024-05-23 03:02:40] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 03:02:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:40] [INFO ] Invariant cache hit.
[2024-05-23 03:02:40] [INFO ] State equation strengthened by 17 read => feed constraints.
[2024-05-23 03:02:40] [INFO ] Implicit Places using invariants and state equation in 98 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-23 03:02:40] [INFO ] Redundant transitions in 0 ms returned []
Running 190 sub problems to find dead transitions.
[2024-05-23 03:02:40] [INFO ] Flow matrix only has 117 transitions (discarded 75 similar events)
[2024-05-23 03:02:40] [INFO ] Invariant cache hit.
[2024-05-23 03:02:40] [INFO ] State equation strengthened by 17 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/75 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/75 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 190 unsolved
At refinement iteration 2 (OVERLAPS) 117/192 variables, 75/78 constraints. Problems are: Problem set: 0 solved, 190 unsolved
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 2643 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 4012 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 6792ms problems are : Problem set: 0 solved, 190 unsolved
Search for dead transitions found 0 dead transitions in 6794ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6990 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 6 ms. Remains 18 /75 variables (removed 57) and now considering 30/192 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 30 rows 18 cols
[2024-05-23 03:02:47] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:02:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:47] [INFO ] After 7ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 03:02:47] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:02:47] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:02:47] [INFO ] After 31ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:02:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:02:47] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:02:47] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:02:47] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:02:47] [INFO ] After 57ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 112 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[1007] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-02 in 44275 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]
[2024-05-23 03:02:47] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-23 03:02:47] [INFO ] Computed 3 invariants in 0 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 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:[4] Max Struct:[+inf]
[2024-05-23 03:02:47] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:02:47] [INFO ] Invariant cache hit.
[2024-05-23 03:02:47] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:47] [INFO ] [Real]Absence check using state equation in 30 ms returned sat
[2024-05-23 03:02:47] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:02:47] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:02:47] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:47] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:47] [INFO ] [Nat]Absence check using state equation in 26 ms returned sat
[2024-05-23 03:02:47] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:02:47] [INFO ] Deduced a trap composed of 21 places in 87 ms of which 0 ms to minimize.
[2024-05-23 03:02:47] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 106 ms
[2024-05-23 03:02:47] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 9 ms.
[2024-05-23 03:02:47] [INFO ] Added : 30 causal constraints over 11 iterations in 100 ms. Result :sat
Minimization took 32 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[4] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[4] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Discarding 3 places :
Symmetric choice reduction at 0 with 3 rule applications. Total rules 3 place count 89 transition count 221
Iterating global reduction 0 with 3 rules applied. Total rules applied 6 place count 89 transition count 221
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 0 with 2 rules applied. Total rules applied 8 place count 89 transition count 219
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 10 place count 87 transition count 215
Iterating global reduction 1 with 2 rules applied. Total rules applied 12 place count 87 transition count 215
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 14 place count 85 transition count 209
Iterating global reduction 1 with 2 rules applied. Total rules applied 16 place count 85 transition count 209
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 18 place count 83 transition count 205
Iterating global reduction 1 with 2 rules applied. Total rules applied 20 place count 83 transition count 205
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 22 place count 81 transition count 201
Iterating global reduction 1 with 2 rules applied. Total rules applied 24 place count 81 transition count 201
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 26 place count 79 transition count 197
Iterating global reduction 1 with 2 rules applied. Total rules applied 28 place count 79 transition count 197
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 29 place count 78 transition count 195
Iterating global reduction 1 with 1 rules applied. Total rules applied 30 place count 78 transition count 195
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 31 place count 77 transition count 193
Iterating global reduction 1 with 1 rules applied. Total rules applied 32 place count 77 transition count 193
Discarding 1 places :
Symmetric choice reduction at 1 with 1 rule applications. Total rules 33 place count 76 transition count 191
Iterating global reduction 1 with 1 rules applied. Total rules applied 34 place count 76 transition count 191
Applied a total of 34 rules in 16 ms. Remains 76 /92 variables (removed 16) and now considering 191/229 (removed 38) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 16 ms. Remains : 76/92 places, 191/229 transitions.
[2024-05-23 03:02:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 1 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 25 ms. (steps per millisecond=400 ) properties (out of 1) seen :[8]
Current structural bounds on expressions (after cover walk) : Max Seen:[8] Max Struct:[+inf]
[2024-05-23 03:02:47] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
// Phase 1: matrix 117 rows 76 cols
[2024-05-23 03:02:47] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[8] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 907 ms. (1101 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 526 ms. (1897 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[120] Max Struct:[+inf]
[2024-05-23 03:02:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:49] [INFO ] Invariant cache hit.
[2024-05-23 03:02:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:49] [INFO ] [Real]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:02:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:49] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:02:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:49] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:02:49] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:02:49] [INFO ] Deduced a trap composed of 15 places in 42 ms of which 1 ms to minimize.
[2024-05-23 03:02:49] [INFO ] Deduced a trap composed of 21 places in 38 ms of which 1 ms to minimize.
[2024-05-23 03:02:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 104 ms
[2024-05-23 03:02:49] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 7 ms.
[2024-05-23 03:02:49] [INFO ] Added : 5 causal constraints over 2 iterations in 28 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[120] 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 4 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 4 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 03:02:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:49] [INFO ] Invariant cache hit.
[2024-05-23 03:02:49] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 03:02:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:49] [INFO ] Invariant cache hit.
[2024-05-23 03:02:49] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:49] [INFO ] Implicit Places using invariants and state equation in 105 ms returned []
Implicit Place search using SMT with State Equation took 168 ms to find 0 implicit places.
[2024-05-23 03:02:49] [INFO ] Redundant transitions in 1 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 03:02:49] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:49] [INFO ] Invariant cache hit.
[2024-05-23 03:02:49] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/76 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/76 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 189 unsolved
At refinement iteration 2 (OVERLAPS) 117/193 variables, 76/79 constraints. Problems are: Problem set: 0 solved, 189 unsolved
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 2505 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 4308 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 6917ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6919ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 7096 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 03:02:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {31=1, 56=1, 86=1, 112=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 30 ms. (steps per millisecond=333 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[128] Max Struct:[+inf]
[2024-05-23 03:02:56] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:56] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[128] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 892 ms. (1119 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 534 ms. (1869 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[128] Max Struct:[+inf]
[2024-05-23 03:02:58] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:58] [INFO ] Invariant cache hit.
[2024-05-23 03:02:58] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:58] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:02:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:58] [INFO ] [Real]Added 18 Read/Feed constraints in 5 ms returned sat
[2024-05-23 03:02:58] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:02:58] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:02:58] [INFO ] [Nat]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:02:58] [INFO ] [Nat]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:02:58] [INFO ] Deduced a trap composed of 16 places in 48 ms of which 1 ms to minimize.
[2024-05-23 03:02:58] [INFO ] Deduced a trap composed of 22 places in 45 ms of which 1 ms to minimize.
[2024-05-23 03:02:58] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 104 ms
[2024-05-23 03:02:58] [INFO ] Computed and/alt/rep : 61/197/52 causal constraints (skipped 63 transitions) in 6 ms.
[2024-05-23 03:02:58] [INFO ] Added : 13 causal constraints over 4 iterations in 36 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 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 2 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
[2024-05-23 03:02:58] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:58] [INFO ] Invariant cache hit.
[2024-05-23 03:02:58] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 03:02:58] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:58] [INFO ] Invariant cache hit.
[2024-05-23 03:02:58] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:02:58] [INFO ] Implicit Places using invariants and state equation in 104 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-23 03:02:58] [INFO ] Redundant transitions in 0 ms returned []
Running 189 sub problems to find dead transitions.
[2024-05-23 03:02:58] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:02:58] [INFO ] Invariant cache hit.
[2024-05-23 03:02:58] [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 2492 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 4195 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 6790ms problems are : Problem set: 0 solved, 189 unsolved
Search for dead transitions found 0 dead transitions in 6793ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6969 ms. Remains : 76/76 places, 191/191 transitions.
[2024-05-23 03:03:05] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
Found an invariant !
This invariant on transitions {31=1, 56=1, 102=1, 115=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 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 34 ms. (steps per millisecond=294 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[128] Max Struct:[+inf]
RANDOM walk for 40003 steps (8 resets) in 54 ms. (727 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40003 steps (8 resets) in 24 ms. (1600 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1848748 steps, run timeout after 3001 ms. (steps per millisecond=616 ) properties seen :0 out of 1
Probabilistic random walk after 1848748 steps, saw 1185228 distinct states, run finished after 3002 ms. (steps per millisecond=615 ) properties seen :0
[2024-05-23 03:03:08] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:03:08] [INFO ] Invariant cache hit.
[2024-05-23 03:03:08] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 89 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 82 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 178ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 150 ms.
Support contains 1 out of 76 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 76/76 places, 191/191 transitions.
Applied a total of 0 rules in 3 ms. Remains 76 /76 variables (removed 0) and now considering 191/191 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 76/76 places, 191/191 transitions.
RANDOM walk for 40008 steps (8 resets) in 61 ms. (645 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40002 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1927115 steps, run timeout after 3001 ms. (steps per millisecond=642 ) properties seen :0 out of 1
Probabilistic random walk after 1927115 steps, saw 1236234 distinct states, run finished after 3001 ms. (steps per millisecond=642 ) properties seen :0
[2024-05-23 03:03:12] [INFO ] Flow matrix only has 117 transitions (discarded 74 similar events)
[2024-05-23 03:03:12] [INFO ] Invariant cache hit.
[2024-05-23 03:03:12] [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 89 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 90 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 76/76 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 183ms problems are : Problem set: 0 solved, 1 unsolved
Finished Parikh walk after 9155 steps, including 9 resets, run visited all 1 properties in 13 ms. (steps per millisecond=704 )
Parikh walk visited 1 properties in 17 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 25116 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]
[2024-05-23 03:03:12] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-23 03:03:12] [INFO ] Computed 3 invariants in 2 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10003 steps (2 resets) in 15 ms. (625 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[2] Max Struct:[+inf]
[2024-05-23 03:03:12] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:03:12] [INFO ] Invariant cache hit.
[2024-05-23 03:03:12] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:12] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:03:12] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:03:12] [INFO ] [Real]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:12] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:12] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:12] [INFO ] [Nat]Absence check using state equation in 25 ms returned sat
[2024-05-23 03:03:12] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:12] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:03:12] [INFO ] Added : 45 causal constraints over 10 iterations in 103 ms. Result :sat
Minimization took 36 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[2] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[2] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Graph (complete) has 394 edges and 92 vertex of which 89 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.1 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 89 transition count 224
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 87 transition count 218
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 87 transition count 218
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 12 place count 87 transition count 216
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 86 transition count 214
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 86 transition count 214
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 85 transition count 210
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 85 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 17 place count 84 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 18 place count 84 transition count 208
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 19 place count 83 transition count 206
Iterating global reduction 2 with 1 rules applied. Total rules applied 20 place count 83 transition count 206
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 21 place count 82 transition count 204
Iterating global reduction 2 with 1 rules applied. Total rules applied 22 place count 82 transition count 204
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 23 place count 81 transition count 202
Iterating global reduction 2 with 1 rules applied. Total rules applied 24 place count 81 transition count 202
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 25 place count 80 transition count 200
Iterating global reduction 2 with 1 rules applied. Total rules applied 26 place count 80 transition count 200
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 27 place count 79 transition count 198
Iterating global reduction 2 with 1 rules applied. Total rules applied 28 place count 79 transition count 198
Applied a total of 28 rules in 14 ms. Remains 79 /92 variables (removed 13) and now considering 198/229 (removed 31) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 14 ms. Remains : 79/92 places, 198/229 transitions.
[2024-05-23 03:03:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[6]
Current structural bounds on expressions (after cover walk) : Max Seen:[6] Max Struct:[+inf]
[2024-05-23 03:03:12] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
// Phase 1: matrix 122 rows 79 cols
[2024-05-23 03:03:12] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[6] Max Struct:[+inf]
RANDOM walk for 1000001 steps (2 resets) in 932 ms. (1071 steps per ms)
BEST_FIRST walk for 1000000 steps (2 resets) in 633 ms. (1577 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[708] Max Struct:[+inf]
[2024-05-23 03:03:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:14] [INFO ] Invariant cache hit.
[2024-05-23 03:03:14] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:14] [INFO ] [Real]Absence check using state equation in 23 ms returned sat
[2024-05-23 03:03:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:14] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:14] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:14] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:14] [INFO ] [Nat]Absence check using state equation in 22 ms returned sat
[2024-05-23 03:03:14] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:03:14] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 7 ms.
[2024-05-23 03:03:14] [INFO ] Added : 15 causal constraints over 4 iterations in 41 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[708] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[708] Max Struct:[+inf]
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 5 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 5 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:03:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:14] [INFO ] Invariant cache hit.
[2024-05-23 03:03:14] [INFO ] Implicit Places using invariants in 55 ms returned []
[2024-05-23 03:03:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:14] [INFO ] Invariant cache hit.
[2024-05-23 03:03:14] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:14] [INFO ] Implicit Places using invariants and state equation in 102 ms returned []
Implicit Place search using SMT with State Equation took 159 ms to find 0 implicit places.
[2024-05-23 03:03:14] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:03:14] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:14] [INFO ] Invariant cache hit.
[2024-05-23 03:03:14] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3569 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 196/196 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 196 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 196/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 6 (OVERLAPS) 0/201 variables, 0/296 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 296 constraints, problems are : Problem set: 0 solved, 196 unsolved in 4257 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 7962ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7966ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8139 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 03:03:22] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[5]
Current structural bounds on expressions (after cover walk) : Max Seen:[708] Max Struct:[+inf]
[2024-05-23 03:03:22] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[708] 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 596 ms. (1675 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[708] Max Struct:[+inf]
[2024-05-23 03:03:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:24] [INFO ] Invariant cache hit.
[2024-05-23 03:03:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:24] [INFO ] [Real]Absence check using state equation in 21 ms returned sat
[2024-05-23 03:03:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:24] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:24] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:03:24] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:03:24] [INFO ] Computed and/alt/rep : 59/192/53 causal constraints (skipped 67 transitions) in 11 ms.
[2024-05-23 03:03:24] [INFO ] Added : 15 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 23 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[708] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[708] 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 6 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:03:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:24] [INFO ] Invariant cache hit.
[2024-05-23 03:03:24] [INFO ] Implicit Places using invariants in 60 ms returned []
[2024-05-23 03:03:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:24] [INFO ] Invariant cache hit.
[2024-05-23 03:03:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:24] [INFO ] Implicit Places using invariants and state equation in 120 ms returned []
Implicit Place search using SMT with State Equation took 181 ms to find 0 implicit places.
[2024-05-23 03:03:24] [INFO ] Redundant transitions in 1 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:03:24] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:24] [INFO ] Invariant cache hit.
[2024-05-23 03:03:24] [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 3510 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 4498 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 8126ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 8128ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8319 ms. Remains : 79/79 places, 198/198 transitions.
[2024-05-23 03:03:32] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
Found an invariant !
This invariant on transitions {31=1, 60=1, 106=1, 121=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 0 ms.
This minimized invariant on transitions {30=1, 59=1, 105=1, 120=1}
Produces a positive solution
Incomplete random walk after 10000 steps, including 2 resets, run finished after 33 ms. (steps per millisecond=303 ) properties (out of 1) seen :[7]
Current structural bounds on expressions (after cover walk) : Max Seen:[708] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 147 ms. (270 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 1783634 steps, run timeout after 3001 ms. (steps per millisecond=594 ) properties seen :0 out of 1
Probabilistic random walk after 1783634 steps, saw 1110116 distinct states, run finished after 3001 ms. (steps per millisecond=594 ) properties seen :0
[2024-05-23 03:03:36] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:36] [INFO ] Invariant cache hit.
[2024-05-23 03:03:36] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 66 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 73 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
After SMT, in 143ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 778 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 3 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
RANDOM walk for 40009 steps (8 resets) in 61 ms. (645 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 1850088 steps, run timeout after 3001 ms. (steps per millisecond=616 ) properties seen :0 out of 1
Probabilistic random walk after 1850088 steps, saw 1151480 distinct states, run finished after 3001 ms. (steps per millisecond=616 ) properties seen :0
[2024-05-23 03:03:39] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:39] [INFO ] Invariant cache hit.
[2024-05-23 03:03:39] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 6 (OVERLAPS) 7/82 variables, 2/10 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/82 variables, 3/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 0/13 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/182 variables, 57/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/182 variables, 17/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/188 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/188 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 10/198 variables, 10/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/198 variables, 0/98 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 3/201 variables, 2/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 1 unsolved in 75 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 79/79 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 3/4 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/4 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 71/75 variables, 6/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 1/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/75 variables, 0/9 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (OVERLAPS) 7/82 variables, 2/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/82 variables, 3/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (INCLUDED_ONLY) 0/82 variables, 0/14 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (OVERLAPS) 100/182 variables, 57/71 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/182 variables, 17/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/182 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 6/188 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/188 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 10/198 variables, 10/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/198 variables, 0/99 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 3/201 variables, 2/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/201 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 201/201 variables, and 101 constraints, problems are : Problem set: 0 solved, 1 unsolved in 77 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 155ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 743 ms.
Support contains 1 out of 79 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 79/79 places, 198/198 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 79/79 places, 198/198 transitions.
Applied a total of 0 rules in 2 ms. Remains 79 /79 variables (removed 0) and now considering 198/198 (removed 0) transitions.
[2024-05-23 03:03:40] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:40] [INFO ] Invariant cache hit.
[2024-05-23 03:03:40] [INFO ] Implicit Places using invariants in 69 ms returned []
[2024-05-23 03:03:40] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:40] [INFO ] Invariant cache hit.
[2024-05-23 03:03:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:41] [INFO ] Implicit Places using invariants and state equation in 107 ms returned []
Implicit Place search using SMT with State Equation took 178 ms to find 0 implicit places.
[2024-05-23 03:03:41] [INFO ] Redundant transitions in 0 ms returned []
Running 196 sub problems to find dead transitions.
[2024-05-23 03:03:41] [INFO ] Flow matrix only has 122 transitions (discarded 76 similar events)
[2024-05-23 03:03:41] [INFO ] Invariant cache hit.
[2024-05-23 03:03:41] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/79 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/79 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 2 (OVERLAPS) 122/201 variables, 79/82 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/201 variables, 18/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
At refinement iteration 5 (OVERLAPS) 0/201 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 196 unsolved
No progress, stopping.
After SMT solving in domain Real declared 201/201 variables, and 100 constraints, problems are : Problem set: 0 solved, 196 unsolved in 3557 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 4190 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 7885ms problems are : Problem set: 0 solved, 196 unsolved
Search for dead transitions found 0 dead transitions in 7888ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8076 ms. Remains : 79/79 places, 198/198 transitions.
Attempting over-approximation, by ignoring read arcs.
Ensure Unique test removed 76 transitions
Reduce isomorphic transitions removed 76 transitions.
Drop transitions (Trivial Post-Agglo cleanup.) removed 8 transitions
Trivial Post-agglo rules discarded 8 transitions
Performed 8 trivial Post agglomeration. Transition count delta: 8
Iterating post reduction 0 with 84 rules applied. Total rules applied 84 place count 79 transition count 114
Reduce places removed 8 places and 0 transitions.
Iterating post reduction 1 with 8 rules applied. Total rules applied 92 place count 71 transition count 114
Performed 13 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 2 with 13 Pre rules applied. Total rules applied 92 place count 71 transition count 101
Deduced a syphon composed of 13 places in 0 ms
Reduce places removed 13 places and 0 transitions.
Iterating global reduction 2 with 26 rules applied. Total rules applied 118 place count 58 transition count 101
Performed 16 Post agglomeration using F-continuation condition.Transition count delta: 16
Deduced a syphon composed of 16 places in 0 ms
Reduce places removed 16 places and 0 transitions.
Iterating global reduction 2 with 32 rules applied. Total rules applied 150 place count 42 transition count 85
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 157 place count 35 transition count 71
Iterating global reduction 2 with 7 rules applied. Total rules applied 164 place count 35 transition count 71
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 171 place count 28 transition count 57
Iterating global reduction 2 with 7 rules applied. Total rules applied 178 place count 28 transition count 57
Discarding 7 places :
Symmetric choice reduction at 2 with 7 rule applications. Total rules 185 place count 21 transition count 43
Iterating global reduction 2 with 7 rules applied. Total rules applied 192 place count 21 transition count 43
Ensure Unique test removed 7 transitions
Reduce isomorphic transitions removed 7 transitions.
Iterating post reduction 2 with 7 rules applied. Total rules applied 199 place count 21 transition count 36
Performed 1 Pre agglomeration using Quasi-Persistent + Divergent Free condition..
Pre-agglomeration after 3 with 1 Pre rules applied. Total rules applied 199 place count 21 transition count 35
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 201 place count 20 transition count 35
Performed 1 Post agglomeration using F-continuation condition.Transition count delta: -1
Deduced a syphon composed of 1 places in 0 ms
Reduce places removed 1 places and 0 transitions.
Iterating global reduction 3 with 2 rules applied. Total rules applied 203 place count 19 transition count 36
Applied a total of 203 rules in 9 ms. Remains 19 /79 variables (removed 60) and now considering 36/198 (removed 162) transitions.
Running SMT prover for 1 properties.
// Phase 1: matrix 36 rows 19 cols
[2024-05-23 03:03:48] [INFO ] Computed 3 invariants in 1 ms
[2024-05-23 03:03:48] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:48] [INFO ] After 49ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:03:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 0 ms returned sat
[2024-05-23 03:03:49] [INFO ] After 8ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:03:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:03:49] [INFO ] After 5ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:03:49] [INFO ] After 53ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 115 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[708] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-06 in 36761 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]
[2024-05-23 03:03:49] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
// Phase 1: matrix 145 rows 92 cols
[2024-05-23 03:03:49] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[0] Max Struct:[+inf]
RANDOM walk for 10000 steps (2 resets) in 13 ms. (714 steps per ms)
BEST_FIRST walk for 10001 steps (2 resets) in 6 ms. (1428 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 03:03:49] [INFO ] Flow matrix only has 145 transitions (discarded 84 similar events)
[2024-05-23 03:03:49] [INFO ] Invariant cache hit.
[2024-05-23 03:03:49] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:03:49] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:03:49] [INFO ] State equation strengthened by 24 read => feed constraints.
[2024-05-23 03:03:49] [INFO ] [Real]Added 24 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:03:49] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:49] [INFO ] [Nat]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:03:49] [INFO ] [Nat]Added 24 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:49] [INFO ] Deduced a trap composed of 21 places in 41 ms of which 1 ms to minimize.
[2024-05-23 03:03:49] [INFO ] Deduced a trap composed of 21 places in 64 ms of which 1 ms to minimize.
[2024-05-23 03:03:49] [INFO ] Trap strengthening (SAT) tested/added 3/2 trap constraints in 122 ms
[2024-05-23 03:03:49] [INFO ] Computed and/alt/rep : 64/280/59 causal constraints (skipped 84 transitions) in 8 ms.
[2024-05-23 03:03:49] [INFO ] Added : 14 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 30 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[5] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[5] Max Struct:[+inf]
Support contains 1 out of 92 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 92/92 places, 229/229 transitions.
Graph (complete) has 394 edges and 92 vertex of which 89 are kept as prefixes of interest. Removing 3 places using SCC suffix rule.0 ms
Discarding 3 places :
Also discarding 0 output transitions
Drop transitions (Empty/Sink Transition effects.) removed 5 transitions
Reduce isomorphic transitions removed 5 transitions.
Iterating post reduction 0 with 5 rules applied. Total rules applied 6 place count 89 transition count 224
Discarding 2 places :
Symmetric choice reduction at 1 with 2 rule applications. Total rules 8 place count 87 transition count 220
Iterating global reduction 1 with 2 rules applied. Total rules applied 10 place count 87 transition count 220
Ensure Unique test removed 2 transitions
Reduce isomorphic transitions removed 2 transitions.
Iterating post reduction 1 with 2 rules applied. Total rules applied 12 place count 87 transition count 218
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 13 place count 86 transition count 216
Iterating global reduction 2 with 1 rules applied. Total rules applied 14 place count 86 transition count 216
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 15 place count 85 transition count 214
Iterating global reduction 2 with 1 rules applied. Total rules applied 16 place count 85 transition count 214
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 17 place count 84 transition count 212
Iterating global reduction 2 with 1 rules applied. Total rules applied 18 place count 84 transition count 212
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 19 place count 83 transition count 210
Iterating global reduction 2 with 1 rules applied. Total rules applied 20 place count 83 transition count 210
Discarding 1 places :
Symmetric choice reduction at 2 with 1 rule applications. Total rules 21 place count 82 transition count 208
Iterating global reduction 2 with 1 rules applied. Total rules applied 22 place count 82 transition count 208
Applied a total of 22 rules in 11 ms. Remains 82 /92 variables (removed 10) and now considering 208/229 (removed 21) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 11 ms. Remains : 82/92 places, 208/229 transitions.
[2024-05-23 03:03:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
Found an invariant !
This invariant on transitions {29=1, 32=1, 34=1, 63=1, 94=1, 123=1}
Produces a positive solution :{}
Attempting to minimize the solution found.
Minimization OK=successtook 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 37 ms. (steps per millisecond=270 ) properties (out of 1) seen :[2]
Current structural bounds on expressions (after cover walk) : Max Seen:[5] Max Struct:[+inf]
[2024-05-23 03:03:49] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
// Phase 1: matrix 128 rows 82 cols
[2024-05-23 03:03:49] [INFO ] Computed 3 invariants in 1 ms
Current structural bounds on expressions (after invariants) : Max Seen:[5] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 917 ms. (1089 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:[202] Max Struct:[+inf]
[2024-05-23 03:03:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:51] [INFO ] Invariant cache hit.
[2024-05-23 03:03:51] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:03:51] [INFO ] [Real]Absence check using state equation in 29 ms returned sat
[2024-05-23 03:03:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:51] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:51] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:03:51] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:03:51] [INFO ] [Nat]Absence check using state equation in 23 ms returned sat
[2024-05-23 03:03:51] [INFO ] [Nat]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:03:51] [INFO ] Deduced a trap composed of 19 places in 48 ms of which 1 ms to minimize.
[2024-05-23 03:03:51] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 57 ms
[2024-05-23 03:03:51] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 8 ms.
[2024-05-23 03:03:51] [INFO ] Added : 16 causal constraints over 4 iterations in 47 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[202] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[202] 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.
[2024-05-23 03:03:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:51] [INFO ] Invariant cache hit.
[2024-05-23 03:03:51] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 03:03:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:51] [INFO ] Invariant cache hit.
[2024-05-23 03:03:51] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:03:51] [INFO ] Implicit Places using invariants and state equation in 109 ms returned []
Implicit Place search using SMT with State Equation took 170 ms to find 0 implicit places.
[2024-05-23 03:03:51] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:03:51] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:03:51] [INFO ] Invariant cache hit.
[2024-05-23 03:03:51] [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 3722 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 5084 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 8930ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8932ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 9110 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:00] [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 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 32 ms. (steps per millisecond=312 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[202] Max Struct:[+inf]
[2024-05-23 03:04:00] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:00] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[202] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 994 ms. (1005 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:[212] Max Struct:[+inf]
[2024-05-23 03:04:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:02] [INFO ] Invariant cache hit.
[2024-05-23 03:04:02] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:04:02] [INFO ] [Real]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:04:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:02] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:04:02] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:02] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:02] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:04:02] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:04:02] [INFO ] Deduced a trap composed of 19 places in 51 ms of which 1 ms to minimize.
[2024-05-23 03:04:02] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 65 ms
[2024-05-23 03:04:02] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 10 ms.
[2024-05-23 03:04:02] [INFO ] Added : 16 causal constraints over 4 iterations in 49 ms. Result :sat
Minimization took 24 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[212] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[212] 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.
[2024-05-23 03:04:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:02] [INFO ] Invariant cache hit.
[2024-05-23 03:04:02] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 03:04:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:02] [INFO ] Invariant cache hit.
[2024-05-23 03:04:02] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:02] [INFO ] Implicit Places using invariants and state equation in 103 ms returned []
Implicit Place search using SMT with State Equation took 164 ms to find 0 implicit places.
[2024-05-23 03:04:02] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:02] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:02] [INFO ] Invariant cache hit.
[2024-05-23 03:04:02] [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
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 3634 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 4975 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 8740ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8744ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8916 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:11] [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:[212] Max Struct:[+inf]
[2024-05-23 03:04:11] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:11] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[212] Max Struct:[+inf]
RANDOM walk for 1000002 steps (2 resets) in 1048 ms. (953 steps per ms)
BEST_FIRST walk for 1000001 steps (2 resets) in 660 ms. (1512 steps per ms)
Current structural bounds on expressions (after WALK) : Max Seen:[221] Max Struct:[+inf]
[2024-05-23 03:04:13] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:13] [INFO ] Invariant cache hit.
[2024-05-23 03:04:13] [INFO ] [Real]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:04:13] [INFO ] [Real]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:04:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:13] [INFO ] [Real]Added 18 Read/Feed constraints in 4 ms returned sat
[2024-05-23 03:04:13] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:13] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:04:13] [INFO ] [Nat]Absence check using state equation in 28 ms returned sat
[2024-05-23 03:04:13] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:04:13] [INFO ] Deduced a trap composed of 19 places in 39 ms of which 1 ms to minimize.
[2024-05-23 03:04:13] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 45 ms
[2024-05-23 03:04:13] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-23 03:04:13] [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:[221] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-23 03:04:13] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:13] [INFO ] Invariant cache hit.
[2024-05-23 03:04:13] [INFO ] Implicit Places using invariants in 61 ms returned []
[2024-05-23 03:04:13] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:13] [INFO ] Invariant cache hit.
[2024-05-23 03:04:13] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:13] [INFO ] Implicit Places using invariants and state equation in 106 ms returned []
Implicit Place search using SMT with State Equation took 169 ms to find 0 implicit places.
[2024-05-23 03:04:13] [INFO ] Redundant transitions in 0 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:13] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:13] [INFO ] Invariant cache hit.
[2024-05-23 03:04:13] [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 3621 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 5017 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 8744ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8746ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8922 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:22] [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 :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[221] Max Struct:[+inf]
[2024-05-23 03:04:22] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:22] [INFO ] Invariant cache hit.
Current structural bounds on expressions (after invariants) : Max Seen:[221] Max Struct:[+inf]
RANDOM walk for 1000000 steps (2 resets) in 954 ms. (1047 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:[221] Max Struct:[+inf]
[2024-05-23 03:04:24] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:24] [INFO ] Invariant cache hit.
[2024-05-23 03:04:24] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:24] [INFO ] [Real]Absence check using state equation in 27 ms returned sat
[2024-05-23 03:04:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:24] [INFO ] [Real]Added 18 Read/Feed constraints in 3 ms returned sat
[2024-05-23 03:04:24] [INFO ] Solution in real domain found non-integer solution.
[2024-05-23 03:04:24] [INFO ] [Nat]Absence check using 3 positive place invariants in 2 ms returned sat
[2024-05-23 03:04:24] [INFO ] [Nat]Absence check using state equation in 24 ms returned sat
[2024-05-23 03:04:24] [INFO ] [Nat]Added 18 Read/Feed constraints in 2 ms returned sat
[2024-05-23 03:04:24] [INFO ] Deduced a trap composed of 19 places in 46 ms of which 1 ms to minimize.
[2024-05-23 03:04:24] [INFO ] Trap strengthening (SAT) tested/added 2/1 trap constraints in 54 ms
[2024-05-23 03:04:24] [INFO ] Computed and/alt/rep : 60/196/54 causal constraints (skipped 72 transitions) in 7 ms.
[2024-05-23 03:04:24] [INFO ] Added : 16 causal constraints over 4 iterations in 44 ms. Result :sat
Minimization took 25 ms.
Current structural bounds on expressions (after SMT) : Max Seen:[221] Max Struct:[+inf]
Current structural bounds on expressions (After Parikh guided walk) : Max Seen:[221] Max Struct:[+inf]
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 6 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 6 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-23 03:04:24] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:24] [INFO ] Invariant cache hit.
[2024-05-23 03:04:24] [INFO ] Implicit Places using invariants in 59 ms returned []
[2024-05-23 03:04:24] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:24] [INFO ] Invariant cache hit.
[2024-05-23 03:04:24] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:24] [INFO ] Implicit Places using invariants and state equation in 114 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2024-05-23 03:04:24] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:24] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:24] [INFO ] Invariant cache hit.
[2024-05-23 03:04:24] [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 3657 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 4971 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 8748ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8750ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8932 ms. Remains : 82/82 places, 208/208 transitions.
[2024-05-23 03:04:33] [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 31 ms. (steps per millisecond=322 ) properties (out of 1) seen :[3]
Current structural bounds on expressions (after cover walk) : Max Seen:[221] Max Struct:[+inf]
RANDOM walk for 40002 steps (8 resets) in 65 ms. (606 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 1944666 steps, run timeout after 3001 ms. (steps per millisecond=648 ) properties seen :0 out of 1
Probabilistic random walk after 1944666 steps, saw 1210346 distinct states, run finished after 3001 ms. (steps per millisecond=648 ) properties seen :0
[2024-05-23 03:04:36] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:36] [INFO ] Invariant cache hit.
[2024-05-23 03:04:36] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 0/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (OVERLAPS) 10/85 variables, 2/7 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (INCLUDED_ONLY) 0/85 variables, 4/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 0/11 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (OVERLAPS) 100/185 variables, 58/69 constraints. Problems are: Problem set: 0 solved, 1 unsolved
All remaining problems are real, not stopping.
At refinement iteration 9 (INCLUDED_ONLY) 0/185 variables, 18/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 0/87 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (OVERLAPS) 6/191 variables, 1/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (INCLUDED_ONLY) 0/191 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (OVERLAPS) 14/205 variables, 12/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (INCLUDED_ONLY) 0/205 variables, 0/100 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (OVERLAPS) 4/209 variables, 2/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (INCLUDED_ONLY) 0/209 variables, 0/102 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (OVERLAPS) 1/210 variables, 1/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 1 unsolved in 76 ms.
Refiners :[Positive P Invariants (semi-flows): 3/3 constraints, State Equation: 82/82 constraints, ReadFeed: 18/18 constraints, PredecessorRefiner: 1/1 constraints, Known Traps: 0/0 constraints]
Escalating to Integer solving :Problem set: 0 solved, 1 unsolved
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 4/5 variables, 1/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 2 (INCLUDED_ONLY) 0/5 variables, 0/1 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 3 (OVERLAPS) 70/75 variables, 4/5 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/75 variables, 1/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 5 (INCLUDED_ONLY) 0/75 variables, 0/6 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 6 (OVERLAPS) 10/85 variables, 2/8 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 7 (INCLUDED_ONLY) 0/85 variables, 4/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 8 (INCLUDED_ONLY) 0/85 variables, 0/12 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 9 (OVERLAPS) 100/185 variables, 58/70 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 10 (INCLUDED_ONLY) 0/185 variables, 18/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 11 (INCLUDED_ONLY) 0/185 variables, 0/88 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 12 (OVERLAPS) 6/191 variables, 1/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 13 (INCLUDED_ONLY) 0/191 variables, 0/89 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 14 (OVERLAPS) 14/205 variables, 12/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 15 (INCLUDED_ONLY) 0/205 variables, 0/101 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 16 (OVERLAPS) 4/209 variables, 2/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 17 (INCLUDED_ONLY) 0/209 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 18 (OVERLAPS) 1/210 variables, 1/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 19 (INCLUDED_ONLY) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 20 (OVERLAPS) 0/210 variables, 0/104 constraints. Problems are: Problem set: 0 solved, 1 unsolved
No progress, stopping.
After SMT solving in domain Int declared 210/210 variables, and 104 constraints, problems are : Problem set: 0 solved, 1 unsolved in 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]
After SMT, in 167ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 365 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.
RANDOM walk for 40003 steps (8 resets) in 69 ms. (571 steps per ms) remains 1/1 properties
BEST_FIRST walk for 40004 steps (8 resets) in 30 ms. (1290 steps per ms) remains 1/1 properties
Interrupted probabilistic random walk after 1867469 steps, run timeout after 3001 ms. (steps per millisecond=622 ) properties seen :0 out of 1
Probabilistic random walk after 1867469 steps, saw 1162296 distinct states, run finished after 3001 ms. (steps per millisecond=622 ) properties seen :0
[2024-05-23 03:04:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:40] [INFO ] Invariant cache hit.
[2024-05-23 03:04:40] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/1 variables, 0/0 constraints. Problems are: Problem set: 0 solved, 1 unsolved
At refinement iteration 1 (OVERLAPS) 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 84 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 101 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 191ms problems are : Problem set: 0 solved, 1 unsolved
Parikh walk visited 0 properties in 368 ms.
Support contains 1 out of 82 places. Attempting structural reductions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 3 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
Finished structural reductions in REACHABILITY mode , in 1 iterations and 3 ms. Remains : 82/82 places, 208/208 transitions.
Starting structural reductions in REACHABILITY mode, iteration 0 : 82/82 places, 208/208 transitions.
Applied a total of 0 rules in 2 ms. Remains 82 /82 variables (removed 0) and now considering 208/208 (removed 0) transitions.
[2024-05-23 03:04:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:40] [INFO ] Invariant cache hit.
[2024-05-23 03:04:40] [INFO ] Implicit Places using invariants in 62 ms returned []
[2024-05-23 03:04:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:40] [INFO ] Invariant cache hit.
[2024-05-23 03:04:40] [INFO ] State equation strengthened by 18 read => feed constraints.
[2024-05-23 03:04:40] [INFO ] Implicit Places using invariants and state equation in 112 ms returned []
Implicit Place search using SMT with State Equation took 175 ms to find 0 implicit places.
[2024-05-23 03:04:40] [INFO ] Redundant transitions in 1 ms returned []
Running 206 sub problems to find dead transitions.
[2024-05-23 03:04:40] [INFO ] Flow matrix only has 128 transitions (discarded 80 similar events)
[2024-05-23 03:04:40] [INFO ] Invariant cache hit.
[2024-05-23 03:04:40] [INFO ] State equation strengthened by 18 read => feed constraints.
At refinement iteration 0 (INCLUDED_ONLY) 0/82 variables, 3/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 1 (INCLUDED_ONLY) 0/82 variables, 0/3 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 2 (OVERLAPS) 128/210 variables, 82/85 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 3 (INCLUDED_ONLY) 0/210 variables, 18/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 4 (INCLUDED_ONLY) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
At refinement iteration 5 (OVERLAPS) 0/210 variables, 0/103 constraints. Problems are: Problem set: 0 solved, 206 unsolved
No progress, stopping.
After SMT solving in domain Real declared 210/210 variables, and 103 constraints, problems are : Problem set: 0 solved, 206 unsolved in 3663 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 4925 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 8719ms problems are : Problem set: 0 solved, 206 unsolved
Search for dead transitions found 0 dead transitions in 8722ms
Finished structural reductions in REACHABILITY mode , in 1 iterations and 8906 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
[2024-05-23 03:04:49] [INFO ] Computed 3 invariants in 0 ms
[2024-05-23 03:04:49] [INFO ] [Real]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:49] [INFO ] After 11ms SMT Verify possible using state equation in real domain returned unsat :0 sat :1
[2024-05-23 03:04:49] [INFO ] State equation strengthened by 2 read => feed constraints.
[2024-05-23 03:04:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:04:49] [INFO ] After 35ms SMT Verify possible using all constraints in real domain returned unsat :0 sat :0 real:1
[2024-05-23 03:04:49] [INFO ] [Nat]Absence check using 3 positive place invariants in 1 ms returned sat
[2024-05-23 03:04:49] [INFO ] After 11ms SMT Verify possible using state equation in natural domain returned unsat :0 sat :1
[2024-05-23 03:04:49] [INFO ] After 2ms SMT Verify possible using 2 Read/Feed constraints in natural domain returned unsat :0 sat :1
TRAPS : Iteration 0
[2024-05-23 03:04:49] [INFO ] After 4ms SMT Verify possible using trap constraints in natural domain returned unsat :0 sat :1
[2024-05-23 03:04:49] [INFO ] After 36ms SMT Verify possible using all constraints in natural domain returned unsat :0 sat :1
Over-approximation ignoring read arcs solved 0 properties in 87 ms.
Current structural bounds on expressions (After reachability solving 0 queries.) : Max Seen:[221] Max Struct:[+inf]
Ending property specific reduction for FunctionPointer-PT-b128-UpperBounds-09 in 60583 ms.
[2024-05-23 03:04:49] [INFO ] Flatten gal took : 44 ms
[2024-05-23 03:04:49] [INFO ] Export to MCC of 4 properties in file /home/mcc/execution/UpperBounds.sr.xml took 2 ms.
[2024-05-23 03:04:49] [INFO ] Export to PNML in file /home/mcc/execution/model.sr.pnml of net with 92 places, 229 transitions and 932 arcs took 4 ms.
Total runtime 367524 ms.
There are residual formulas that ITS could not solve within timeout
----------------------------------------------------------------------
GreatSPN-meddly tool, MCC 2023
----------------------------------------------------------------------

Running FunctionPointer-PT-b128

IS_COLORED=
IS_NUPN=

LOADING PETRI NET FILE /home/mcc/execution/412/model.pnml (PNML) ...
PNML VERSION 2009, P/T NET.
COLOR CLASSES: 0
CONSTANTS: 0
PLACES: 92
TRANSITIONS: 229
COLOR VARS: 0
MEASURES: 0
LOADING TIME: [User 0.004s, Sys 0.000s]


SAVING FILE /home/mcc/execution/412/model (.net / .def) ...
EXPORT TIME: [User 0.000s, Sys 0.000s]


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

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

Process ID: 1854
MODEL NAME: /home/mcc/execution/412/model
92 places, 229 transitions.
Enabling coverability test.

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

BK_STOP 1716433493875

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

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

Sequence of Actions to be Executed by the VM

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

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

# this is specific to your benchmark or test

export BIN_DIR="$HOME/BenchKit/bin"

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

# this is for BenchKit: explicit launching of the test
echo "====================================================================="
echo " Generated by BenchKit 2-5568"
echo " Executing tool greatspnxred"
echo " Input is FunctionPointer-PT-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 r179-tall-171640601200269"
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 ;